diff options
561 files changed, 7620 insertions, 4259 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-cxl b/Documentation/ABI/testing/sysfs-class-cxl index 8e69345c37cc..bbbabffc682a 100644 --- a/Documentation/ABI/testing/sysfs-class-cxl +++ b/Documentation/ABI/testing/sysfs-class-cxl @@ -69,7 +69,9 @@ Date: September 2014 Contact: linuxppc-dev@lists.ozlabs.org Description: read/write Set the mode for prefaulting in segments into the segment table - when performing the START_WORK ioctl. Possible values: + when performing the START_WORK ioctl. Only applicable when + running under hashed page table mmu. + Possible values: none: No prefaulting (default) work_element_descriptor: Treat the work element descriptor as an effective address and diff --git a/Documentation/devicetree/bindings/serial/amlogic,meson-uart.txt b/Documentation/devicetree/bindings/serial/amlogic,meson-uart.txt index 8ff65fa632fd..c06c045126fc 100644 --- a/Documentation/devicetree/bindings/serial/amlogic,meson-uart.txt +++ b/Documentation/devicetree/bindings/serial/amlogic,meson-uart.txt @@ -21,7 +21,7 @@ Required properties: - interrupts : identifier to the device interrupt - clocks : a list of phandle + clock-specifier pairs, one for each entry in clock names. -- clocks-names : +- clock-names : * "xtal" for external xtal clock identifier * "pclk" for the bus core clock, either the clk81 clock or the gate clock * "baud" for the source of the baudrate generator, can be either the xtal diff --git a/Documentation/devicetree/bindings/serial/mvebu-uart.txt b/Documentation/devicetree/bindings/serial/mvebu-uart.txt index 2ae2fee7e023..b7e0e32b9ac6 100644 --- a/Documentation/devicetree/bindings/serial/mvebu-uart.txt +++ b/Documentation/devicetree/bindings/serial/mvebu-uart.txt @@ -24,7 +24,7 @@ Required properties: - Must contain two elements for the extended variant of the IP (marvell,armada-3700-uart-ext): "uart-tx" and "uart-rx", respectively the UART TX interrupt and the UART RX interrupt. A - corresponding interrupts-names property must be defined. + corresponding interrupt-names property must be defined. - For backward compatibility reasons, a single element interrupts property is also supported for the standard variant of the IP, containing only the UART sum interrupt. This form is deprecated diff --git a/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt b/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt index ad962f4ec3aa..a006ea4d065f 100644 --- a/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt +++ b/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt @@ -17,6 +17,8 @@ Required properties: - "renesas,scifa-r8a7745" for R8A7745 (RZ/G1E) SCIFA compatible UART. - "renesas,scifb-r8a7745" for R8A7745 (RZ/G1E) SCIFB compatible UART. - "renesas,hscif-r8a7745" for R8A7745 (RZ/G1E) HSCIF compatible UART. + - "renesas,scif-r8a77470" for R8A77470 (RZ/G1C) SCIF compatible UART. + - "renesas,hscif-r8a77470" for R8A77470 (RZ/G1C) HSCIF compatible UART. - "renesas,scif-r8a7778" for R8A7778 (R-Car M1) SCIF compatible UART. - "renesas,scif-r8a7779" for R8A7779 (R-Car H1) SCIF compatible UART. - "renesas,scif-r8a7790" for R8A7790 (R-Car H2) SCIF compatible UART. diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt index c4c00dff4b56..bd1dd316fb23 100644 --- a/Documentation/devicetree/bindings/usb/usb-xhci.txt +++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt @@ -28,7 +28,10 @@ Required properties: - interrupts: one XHCI interrupt should be described here. Optional properties: - - clocks: reference to a clock + - clocks: reference to the clocks + - clock-names: mandatory if there is a second clock, in this case + the name must be "core" for the first clock and "reg" for the + second one - usb2-lpm-disable: indicate if we don't want to enable USB2 HW LPM - usb3-lpm-capable: determines if platform is USB3 LPM capable - quirk-broken-port-ped: set if the controller has broken port disable mechanism diff --git a/Documentation/driver-api/firmware/request_firmware.rst b/Documentation/driver-api/firmware/request_firmware.rst index cf4516dfbf96..d5ec95a7195b 100644 --- a/Documentation/driver-api/firmware/request_firmware.rst +++ b/Documentation/driver-api/firmware/request_firmware.rst @@ -17,17 +17,17 @@ an error is returned. request_firmware ---------------- -.. kernel-doc:: drivers/base/firmware_class.c +.. kernel-doc:: drivers/base/firmware_loader/main.c :functions: request_firmware request_firmware_direct ----------------------- -.. kernel-doc:: drivers/base/firmware_class.c +.. kernel-doc:: drivers/base/firmware_loader/main.c :functions: request_firmware_direct request_firmware_into_buf ------------------------- -.. kernel-doc:: drivers/base/firmware_class.c +.. kernel-doc:: drivers/base/firmware_loader/main.c :functions: request_firmware_into_buf Asynchronous firmware requests @@ -41,7 +41,7 @@ in atomic contexts. request_firmware_nowait ----------------------- -.. kernel-doc:: drivers/base/firmware_class.c +.. kernel-doc:: drivers/base/firmware_loader/main.c :functions: request_firmware_nowait Special optimizations on reboot @@ -50,12 +50,12 @@ Special optimizations on reboot Some devices have an optimization in place to enable the firmware to be retained during system reboot. When such optimizations are used the driver author must ensure the firmware is still available on resume from suspend, -this can be done with firmware_request_cache() insted of requesting for the -firmare to be loaded. +this can be done with firmware_request_cache() instead of requesting for the +firmware to be loaded. firmware_request_cache() ------------------------ -.. kernel-doc:: drivers/base/firmware_class.c +------------------------ +.. kernel-doc:: drivers/base/firmware_loader/main.c :functions: firmware_request_cache request firmware API expected driver use diff --git a/Documentation/driver-api/infrastructure.rst b/Documentation/driver-api/infrastructure.rst index 6d9ff316b608..bee1b9a1702f 100644 --- a/Documentation/driver-api/infrastructure.rst +++ b/Documentation/driver-api/infrastructure.rst @@ -28,7 +28,7 @@ Device Drivers Base .. kernel-doc:: drivers/base/node.c :internal: -.. kernel-doc:: drivers/base/firmware_class.c +.. kernel-doc:: drivers/base/firmware_loader/main.c :export: .. kernel-doc:: drivers/base/transport_class.c diff --git a/Documentation/driver-api/usb/typec.rst b/Documentation/driver-api/usb/typec.rst index feb31946490b..48ff58095f11 100644 --- a/Documentation/driver-api/usb/typec.rst +++ b/Documentation/driver-api/usb/typec.rst @@ -210,7 +210,7 @@ If the connector is dual-role capable, there may also be a switch for the data role. USB Type-C Connector Class does not supply separate API for them. The port drivers can use USB Role Class API with those. -Illustration of the muxes behind a connector that supports an alternate mode: +Illustration of the muxes behind a connector that supports an alternate mode:: ------------------------ | Connector | diff --git a/Documentation/i2c/dev-interface b/Documentation/i2c/dev-interface index d04e6e4964ee..fbed645ccd75 100644 --- a/Documentation/i2c/dev-interface +++ b/Documentation/i2c/dev-interface @@ -9,8 +9,8 @@ i2c adapters present on your system at a given time. i2cdetect is part of the i2c-tools package. I2C device files are character device files with major device number 89 -and a minor device number corresponding to the number assigned as -explained above. They should be called "i2c-%d" (i2c-0, i2c-1, ..., +and a minor device number corresponding to the number assigned as +explained above. They should be called "i2c-%d" (i2c-0, i2c-1, ..., i2c-10, ...). All 256 minor device numbers are reserved for i2c. @@ -23,11 +23,6 @@ First, you need to include these two headers: #include <linux/i2c-dev.h> #include <i2c/smbus.h> -(Please note that there are two files named "i2c-dev.h" out there. One is -distributed with the Linux kernel and the other one is included in the -source tree of i2c-tools. They used to be different in content but since 2012 -they're identical. You should use "linux/i2c-dev.h"). - Now, you have to decide which adapter you want to access. You should inspect /sys/class/i2c-dev/ or run "i2cdetect -l" to decide this. Adapter numbers are assigned somewhat dynamically, so you can not @@ -38,7 +33,7 @@ Next thing, open the device file, as follows: int file; int adapter_nr = 2; /* probably dynamically determined */ char filename[20]; - + snprintf(filename, 19, "/dev/i2c-%d", adapter_nr); file = open(filename, O_RDWR); if (file < 0) { @@ -72,8 +67,10 @@ the device supports them. Both are illustrated below. /* res contains the read word */ } - /* Using I2C Write, equivalent of - i2c_smbus_write_word_data(file, reg, 0x6543) */ + /* + * Using I2C Write, equivalent of + * i2c_smbus_write_word_data(file, reg, 0x6543) + */ buf[0] = reg; buf[1] = 0x43; buf[2] = 0x65; @@ -140,14 +137,14 @@ ioctl(file, I2C_RDWR, struct i2c_rdwr_ioctl_data *msgset) set in each message, overriding the values set with the above ioctl's. ioctl(file, I2C_SMBUS, struct i2c_smbus_ioctl_data *args) - Not meant to be called directly; instead, use the access functions - below. + If possible, use the provided i2c_smbus_* methods described below instead + of issuing direct ioctls. You can do plain i2c transactions by using read(2) and write(2) calls. You do not need to pass the address byte; instead, set it through ioctl I2C_SLAVE before you try to access the device. -You can do SMBus level transactions (see documentation file smbus-protocol +You can do SMBus level transactions (see documentation file smbus-protocol for details) through the following functions: __s32 i2c_smbus_write_quick(int file, __u8 value); __s32 i2c_smbus_read_byte(int file); @@ -158,7 +155,7 @@ for details) through the following functions: __s32 i2c_smbus_write_word_data(int file, __u8 command, __u16 value); __s32 i2c_smbus_process_call(int file, __u8 command, __u16 value); __s32 i2c_smbus_read_block_data(int file, __u8 command, __u8 *values); - __s32 i2c_smbus_write_block_data(int file, __u8 command, __u8 length, + __s32 i2c_smbus_write_block_data(int file, __u8 command, __u8 length, __u8 *values); All these transactions return -1 on failure; you can read errno to see what happened. The 'write' transactions return 0 on success; the @@ -166,10 +163,9 @@ what happened. The 'write' transactions return 0 on success; the returns the number of values read. The block buffers need not be longer than 32 bytes. -The above functions are all inline functions, that resolve to calls to -the i2c_smbus_access function, that on its turn calls a specific ioctl -with the data in a specific format. Read the source code if you -want to know what happens behind the screens. +The above functions are made available by linking against the libi2c library, +which is provided by the i2c-tools project. See: +https://git.kernel.org/pub/scm/utils/i2c-tools/i2c-tools.git/. Implementation details diff --git a/Documentation/ioctl/ioctl-number.txt b/Documentation/ioctl/ioctl-number.txt index 84bb74dcae12..7f7413e597f3 100644 --- a/Documentation/ioctl/ioctl-number.txt +++ b/Documentation/ioctl/ioctl-number.txt @@ -217,7 +217,6 @@ Code Seq#(hex) Include File Comments 'd' 02-40 pcmcia/ds.h conflict! 'd' F0-FF linux/digi1.h 'e' all linux/digi1.h conflict! -'e' 00-1F drivers/net/irda/irtty-sir.h conflict! 'f' 00-1F linux/ext2_fs.h conflict! 'f' 00-1F linux/ext3_fs.h conflict! 'f' 00-0F fs/jfs/jfs_dinode.h conflict! @@ -247,7 +246,6 @@ Code Seq#(hex) Include File Comments 'm' all linux/synclink.h conflict! 'm' 00-19 drivers/message/fusion/mptctl.h conflict! 'm' 00 drivers/scsi/megaraid/megaraid_ioctl.h conflict! -'m' 00-1F net/irda/irmod.h conflict! 'n' 00-7F linux/ncp_fs.h and fs/ncpfs/ioctl.c 'n' 80-8F uapi/linux/nilfs2_api.h NILFS2 'n' E0-FF linux/matroxfb.h matroxfb diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index b583a73cf95f..35ffaa281b26 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -2126,18 +2126,3 @@ max_dgram_qlen - INTEGER Default: 10 - -UNDOCUMENTED: - -/proc/sys/net/irda/* - fast_poll_increase FIXME - warn_noreply_time FIXME - discovery_slots FIXME - slot_timeout FIXME - max_baud_rate FIXME - discovery_timeout FIXME - lap_keepalive_time FIXME - max_noreply_time FIXME - max_tx_data_size FIXME - max_tx_window FIXME - min_tx_turn_time FIXME diff --git a/Documentation/power/suspend-and-cpuhotplug.txt b/Documentation/power/suspend-and-cpuhotplug.txt index 31abd04b9572..6f55eb960a6d 100644 --- a/Documentation/power/suspend-and-cpuhotplug.txt +++ b/Documentation/power/suspend-and-cpuhotplug.txt @@ -168,7 +168,7 @@ update on the CPUs, as discussed below: [Please bear in mind that the kernel requests the microcode images from userspace, using the request_firmware() function defined in -drivers/base/firmware_class.c] +drivers/base/firmware_loader/main.c] a. When all the CPUs are identical: diff --git a/Documentation/process/magic-number.rst b/Documentation/process/magic-number.rst index 00cecf1fcba9..633be1043690 100644 --- a/Documentation/process/magic-number.rst +++ b/Documentation/process/magic-number.rst @@ -157,8 +157,5 @@ memory management. See ``include/sound/sndmagic.h`` for complete list of them. M OSS sound drivers have their magic numbers constructed from the soundcard PCI ID - these are not listed here as well. -IrDA subsystem also uses large number of own magic numbers, see -``include/net/irda/irda.h`` for a complete list of them. - HFS is another larger user of magic numbers - you can find them in ``fs/hfs/hfs.h``. diff --git a/Documentation/trace/ftrace.rst b/Documentation/trace/ftrace.rst index e45f0786f3f9..67d9c38e95eb 100644 --- a/Documentation/trace/ftrace.rst +++ b/Documentation/trace/ftrace.rst @@ -461,9 +461,17 @@ of ftrace. Here is a list of some of the key files: and ticks at the same rate as the hardware clocksource. boot: - Same as mono. Used to be a separate clock which accounted - for the time spent in suspend while CLOCK_MONOTONIC did - not. + This is the boot clock (CLOCK_BOOTTIME) and is based on the + fast monotonic clock, but also accounts for time spent in + suspend. Since the clock access is designed for use in + tracing in the suspend path, some side effects are possible + if clock is accessed after the suspend time is accounted before + the fast mono clock is updated. In this case, the clock update + appears to happen slightly sooner than it normally would have. + Also on 32-bit systems, it's possible that the 64-bit boot offset + sees a partial update. These effects are rare and post + processing should be able to handle them. See comments in the + ktime_get_boot_fast_ns() function for more information. To set a clock, simply echo the clock name into this file:: diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt index 1c7958b57fe9..758bf403a169 100644 --- a/Documentation/virtual/kvm/api.txt +++ b/Documentation/virtual/kvm/api.txt @@ -1960,6 +1960,9 @@ ARM 32-bit VFP control registers have the following id bit patterns: ARM 64-bit FP registers have the following id bit patterns: 0x4030 0000 0012 0 <regno:12> +ARM firmware pseudo-registers have the following bit pattern: + 0x4030 0000 0014 <regno:16> + arm64 registers are mapped using the lower 32 bits. The upper 16 of that is the register group type, or coprocessor number: @@ -1976,6 +1979,9 @@ arm64 CCSIDR registers are demultiplexed by CSSELR value: arm64 system registers have the following id bit patterns: 0x6030 0000 0013 <op0:2> <op1:3> <crn:4> <crm:4> <op2:3> +arm64 firmware pseudo-registers have the following bit pattern: + 0x6030 0000 0014 <regno:16> + MIPS registers are mapped using the lower 32 bits. The upper 16 of that is the register group type: @@ -2510,7 +2516,8 @@ Possible features: and execute guest code when KVM_RUN is called. - KVM_ARM_VCPU_EL1_32BIT: Starts the CPU in a 32bit mode. Depends on KVM_CAP_ARM_EL1_32BIT (arm64 only). - - KVM_ARM_VCPU_PSCI_0_2: Emulate PSCI v0.2 for the CPU. + - KVM_ARM_VCPU_PSCI_0_2: Emulate PSCI v0.2 (or a future revision + backward compatible with v0.2) for the CPU. Depends on KVM_CAP_ARM_PSCI_0_2. - KVM_ARM_VCPU_PMU_V3: Emulate PMUv3 for the CPU. Depends on KVM_CAP_ARM_PMU_V3. diff --git a/Documentation/virtual/kvm/arm/psci.txt b/Documentation/virtual/kvm/arm/psci.txt new file mode 100644 index 000000000000..aafdab887b04 --- /dev/null +++ b/Documentation/virtual/kvm/arm/psci.txt @@ -0,0 +1,30 @@ +KVM implements the PSCI (Power State Coordination Interface) +specification in order to provide services such as CPU on/off, reset +and power-off to the guest. + +The PSCI specification is regularly updated to provide new features, +and KVM implements these updates if they make sense from a virtualization +point of view. + +This means that a guest booted on two different versions of KVM can +observe two different "firmware" revisions. This could cause issues if +a given guest is tied to a particular PSCI revision (unlikely), or if +a migration causes a different PSCI version to be exposed out of the +blue to an unsuspecting guest. + +In order to remedy this situation, KVM exposes a set of "firmware +pseudo-registers" that can be manipulated using the GET/SET_ONE_REG +interface. These registers can be saved/restored by userspace, and set +to a convenient value if required. + +The following register is defined: + +* KVM_REG_ARM_PSCI_VERSION: + + - Only valid if the vcpu has the KVM_ARM_VCPU_PSCI_0_2 feature set + (and thus has already been initialized) + - Returns the current PSCI version on GET_ONE_REG (defaulting to the + highest PSCI version implemented by KVM and compatible with v0.2) + - Allows any PSCI version implemented by KVM and compatible with + v0.2 to be set with SET_ONE_REG + - Affects the whole VM (even if the register view is per-vcpu) diff --git a/MAINTAINERS b/MAINTAINERS index 92be777d060a..79bb02ff812f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -564,8 +564,9 @@ S: Maintained F: drivers/media/dvb-frontends/af9033* AFFS FILE SYSTEM +M: David Sterba <dsterba@suse.com> L: linux-fsdevel@vger.kernel.org -S: Orphan +S: Odd Fixes F: Documentation/filesystems/affs.txt F: fs/affs/ @@ -905,6 +906,8 @@ ANDROID ION DRIVER M: Laura Abbott <labbott@redhat.com> M: Sumit Semwal <sumit.semwal@linaro.org> L: devel@driverdev.osuosl.org +L: dri-devel@lists.freedesktop.org +L: linaro-mm-sig@lists.linaro.org (moderated for non-subscribers) S: Supported F: drivers/staging/android/ion F: drivers/staging/android/uapi/ion.h @@ -1208,7 +1211,6 @@ F: drivers/*/*alpine* ARM/ARTPEC MACHINE SUPPORT M: Jesper Nilsson <jesper.nilsson@axis.com> M: Lars Persson <lars.persson@axis.com> -M: Niklas Cassel <niklas.cassel@axis.com> S: Maintained L: linux-arm-kernel@axis.com F: arch/arm/mach-artpec @@ -2617,7 +2619,7 @@ S: Maintained F: drivers/net/hamradio/baycom* BCACHE (BLOCK LAYER CACHE) -M: Michael Lyle <mlyle@lyle.org> +M: Coly Li <colyli@suse.de> M: Kent Overstreet <kent.overstreet@gmail.com> L: linux-bcache@vger.kernel.org W: http://bcache.evilpiepirate.org @@ -7411,16 +7413,6 @@ S: Obsolete F: include/uapi/linux/ipx.h F: drivers/staging/ipx/ -IRDA SUBSYSTEM -M: Samuel Ortiz <samuel@sortiz.org> -L: irda-users@lists.sourceforge.net (subscribers-only) -L: netdev@vger.kernel.org -W: http://irda.sourceforge.net/ -S: Obsolete -T: git git://git.kernel.org/pub/scm/linux/kernel/git/sameo/irda-2.6.git -F: Documentation/networking/irda.txt -F: drivers/staging/irda/ - IRQ DOMAINS (IRQ NUMBER MAPPING LIBRARY) M: Marc Zyngier <marc.zyngier@arm.com> S: Maintained @@ -7753,7 +7745,7 @@ F: arch/x86/include/asm/svm.h F: arch/x86/kvm/svm.c KERNEL VIRTUAL MACHINE FOR ARM (KVM/arm) -M: Christoffer Dall <christoffer.dall@linaro.org> +M: Christoffer Dall <christoffer.dall@arm.com> M: Marc Zyngier <marc.zyngier@arm.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) L: kvmarm@lists.cs.columbia.edu @@ -7767,7 +7759,7 @@ F: virt/kvm/arm/ F: include/kvm/arm_* KERNEL VIRTUAL MACHINE FOR ARM64 (KVM/arm64) -M: Christoffer Dall <christoffer.dall@linaro.org> +M: Christoffer Dall <christoffer.dall@arm.com> M: Marc Zyngier <marc.zyngier@arm.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) L: kvmarm@lists.cs.columbia.edu @@ -10909,7 +10901,6 @@ F: drivers/pci/host/ F: drivers/pci/dwc/ PCIE DRIVER FOR AXIS ARTPEC -M: Niklas Cassel <niklas.cassel@axis.com> M: Jesper Nilsson <jesper.nilsson@axis.com> L: linux-arm-kernel@axis.com L: linux-pci@vger.kernel.org @@ -13965,7 +13956,7 @@ THUNDERBOLT DRIVER M: Andreas Noever <andreas.noever@gmail.com> M: Michael Jamet <michael.jamet@intel.com> M: Mika Westerberg <mika.westerberg@linux.intel.com> -M: Yehezkel Bernat <yehezkel.bernat@intel.com> +M: Yehezkel Bernat <YehezkelShB@gmail.com> T: git git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt.git S: Maintained F: Documentation/admin-guide/thunderbolt.rst @@ -13975,7 +13966,7 @@ F: include/linux/thunderbolt.h THUNDERBOLT NETWORK DRIVER M: Michael Jamet <michael.jamet@intel.com> M: Mika Westerberg <mika.westerberg@linux.intel.com> -M: Yehezkel Bernat <yehezkel.bernat@intel.com> +M: Yehezkel Bernat <YehezkelShB@gmail.com> L: netdev@vger.kernel.org S: Maintained F: drivers/net/thunderbolt.c @@ -2,7 +2,7 @@ VERSION = 4 PATCHLEVEL = 17 SUBLEVEL = 0 -EXTRAVERSION = -rc2 +EXTRAVERSION = -rc3 NAME = Fearless Coyote # *DOCUMENTATION* diff --git a/arch/arm/boot/dts/gemini-nas4220b.dts b/arch/arm/boot/dts/gemini-nas4220b.dts index 8bbb6f85d161..4785fbcc41ed 100644 --- a/arch/arm/boot/dts/gemini-nas4220b.dts +++ b/arch/arm/boot/dts/gemini-nas4220b.dts @@ -134,37 +134,37 @@ function = "gmii"; groups = "gmii_gmac0_grp"; }; - /* Settings come from OpenWRT */ + /* Settings come from OpenWRT, pins on SL3516 */ conf0 { - pins = "R8 GMAC0 RXDV", "U11 GMAC1 RXDV"; + pins = "V8 GMAC0 RXDV", "T10 GMAC1 RXDV"; skew-delay = <0>; }; conf1 { - pins = "T8 GMAC0 RXC", "T11 GMAC1 RXC"; + pins = "Y7 GMAC0 RXC", "Y11 GMAC1 RXC"; skew-delay = <15>; }; conf2 { - pins = "P8 GMAC0 TXEN", "V11 GMAC1 TXEN"; + pins = "T8 GMAC0 TXEN", "W11 GMAC1 TXEN"; skew-delay = <7>; }; conf3 { - pins = "V7 GMAC0 TXC"; + pins = "U8 GMAC0 TXC"; skew-delay = <11>; }; conf4 { - pins = "P10 GMAC1 TXC"; + pins = "V11 GMAC1 TXC"; skew-delay = <10>; }; conf5 { /* The data lines all have default skew */ - pins = "U8 GMAC0 RXD0", "V8 GMAC0 RXD1", - "P9 GMAC0 RXD2", "R9 GMAC0 RXD3", - "U7 GMAC0 TXD0", "T7 GMAC0 TXD1", - "R7 GMAC0 TXD2", "P7 GMAC0 TXD3", - "R11 GMAC1 RXD0", "P11 GMAC1 RXD1", - "V12 GMAC1 RXD2", "U12 GMAC1 RXD3", - "R10 GMAC1 TXD0", "T10 GMAC1 TXD1", - "U10 GMAC1 TXD2", "V10 GMAC1 TXD3"; + pins = "W8 GMAC0 RXD0", "V9 GMAC0 RXD1", + "Y8 GMAC0 RXD2", "U9 GMAC0 RXD3", + "T7 GMAC0 TXD0", "U6 GMAC0 TXD1", + "V7 GMAC0 TXD2", "U7 GMAC0 TXD3", + "Y12 GMAC1 RXD0", "V12 GMAC1 RXD1", + "T11 GMAC1 RXD2", "W12 GMAC1 RXD3", + "U10 GMAC1 TXD0", "Y10 GMAC1 TXD1", + "W10 GMAC1 TXD2", "T9 GMAC1 TXD3"; skew-delay = <7>; }; /* Set up drive strength on GMAC0 to 16 mA */ diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi index 475904894b86..e554b6e039f3 100644 --- a/arch/arm/boot/dts/omap4.dtsi +++ b/arch/arm/boot/dts/omap4.dtsi @@ -163,10 +163,10 @@ cm2: cm2@8000 { compatible = "ti,omap4-cm2", "simple-bus"; - reg = <0x8000 0x3000>; + reg = <0x8000 0x2000>; #address-cells = <1>; #size-cells = <1>; - ranges = <0 0x8000 0x3000>; + ranges = <0 0x8000 0x2000>; cm2_clocks: clocks { #address-cells = <1>; @@ -250,11 +250,11 @@ prm: prm@6000 { compatible = "ti,omap4-prm"; - reg = <0x6000 0x3000>; + reg = <0x6000 0x2000>; interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>; #address-cells = <1>; #size-cells = <1>; - ranges = <0 0x6000 0x3000>; + ranges = <0 0x6000 0x2000>; prm_clocks: clocks { #address-cells = <1>; diff --git a/arch/arm/configs/gemini_defconfig b/arch/arm/configs/gemini_defconfig index 2a63fa10c813..553777ac2814 100644 --- a/arch/arm/configs/gemini_defconfig +++ b/arch/arm/configs/gemini_defconfig @@ -1,6 +1,7 @@ # CONFIG_LOCALVERSION_AUTO is not set CONFIG_SYSVIPC=y CONFIG_NO_HZ_IDLE=y +CONFIG_HIGH_RES_TIMERS=y CONFIG_BSD_PROCESS_ACCT=y CONFIG_USER_NS=y CONFIG_RELAY=y @@ -12,15 +13,21 @@ CONFIG_ARCH_GEMINI=y CONFIG_PCI=y CONFIG_PREEMPT=y CONFIG_AEABI=y +CONFIG_HIGHMEM=y +CONFIG_CMA=y CONFIG_CMDLINE="console=ttyS0,115200n8" CONFIG_KEXEC=y CONFIG_BINFMT_MISC=y CONFIG_PM=y +CONFIG_NET=y +CONFIG_UNIX=y +CONFIG_INET=y CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_DEVTMPFS=y CONFIG_MTD=y CONFIG_MTD_BLOCK=y CONFIG_MTD_CFI=y +CONFIG_MTD_JEDECPROBE=y CONFIG_MTD_CFI_INTELEXT=y CONFIG_MTD_CFI_AMDSTD=y CONFIG_MTD_CFI_STAA=y @@ -33,6 +40,11 @@ CONFIG_BLK_DEV_SD=y # CONFIG_SCSI_LOWLEVEL is not set CONFIG_ATA=y CONFIG_PATA_FTIDE010=y +CONFIG_NETDEVICES=y +CONFIG_GEMINI_ETHERNET=y +CONFIG_MDIO_BITBANG=y +CONFIG_MDIO_GPIO=y +CONFIG_REALTEK_PHY=y CONFIG_INPUT_EVDEV=y CONFIG_KEYBOARD_GPIO=y # CONFIG_INPUT_MOUSE is not set @@ -43,9 +55,19 @@ CONFIG_SERIAL_8250_NR_UARTS=1 CONFIG_SERIAL_8250_RUNTIME_UARTS=1 CONFIG_SERIAL_OF_PLATFORM=y # CONFIG_HW_RANDOM is not set -# CONFIG_HWMON is not set +CONFIG_I2C_GPIO=y +CONFIG_SPI=y +CONFIG_SPI_GPIO=y +CONFIG_SENSORS_GPIO_FAN=y +CONFIG_SENSORS_LM75=y +CONFIG_THERMAL=y CONFIG_WATCHDOG=y -CONFIG_GEMINI_WATCHDOG=y +CONFIG_REGULATOR=y +CONFIG_REGULATOR_FIXED_VOLTAGE=y +CONFIG_DRM=y +CONFIG_DRM_PANEL_ILITEK_IL9322=y +CONFIG_DRM_TVE200=y +CONFIG_LOGO=y CONFIG_USB=y CONFIG_USB_MON=y CONFIG_USB_FOTG210_HCD=y @@ -54,6 +76,7 @@ CONFIG_NEW_LEDS=y CONFIG_LEDS_CLASS=y CONFIG_LEDS_GPIO=y CONFIG_LEDS_TRIGGERS=y +CONFIG_LEDS_TRIGGER_DISK=y CONFIG_LEDS_TRIGGER_HEARTBEAT=y CONFIG_RTC_CLASS=y CONFIG_DMADEVICES=y diff --git a/arch/arm/configs/socfpga_defconfig b/arch/arm/configs/socfpga_defconfig index 2620ce790db0..371fca4e1ab7 100644 --- a/arch/arm/configs/socfpga_defconfig +++ b/arch/arm/configs/socfpga_defconfig @@ -57,6 +57,7 @@ CONFIG_MTD_M25P80=y CONFIG_MTD_NAND=y CONFIG_MTD_NAND_DENALI_DT=y CONFIG_MTD_SPI_NOR=y +# CONFIG_MTD_SPI_NOR_USE_4K_SECTORS is not set CONFIG_SPI_CADENCE_QUADSPI=y CONFIG_OF_OVERLAY=y CONFIG_OF_CONFIGFS=y diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h index c6a749568dd6..c7c28c885a19 100644 --- a/arch/arm/include/asm/kvm_host.h +++ b/arch/arm/include/asm/kvm_host.h @@ -77,6 +77,9 @@ struct kvm_arch { /* Interrupt controller */ struct vgic_dist vgic; int max_vcpus; + + /* Mandated version of PSCI */ + u32 psci_version; }; #define KVM_NR_MEM_OBJS 40 diff --git a/arch/arm/include/uapi/asm/kvm.h b/arch/arm/include/uapi/asm/kvm.h index 2ba95d6fe852..caae4843cb70 100644 --- a/arch/arm/include/uapi/asm/kvm.h +++ b/arch/arm/include/uapi/asm/kvm.h @@ -195,6 +195,12 @@ struct kvm_arch_memory_slot { #define KVM_REG_ARM_VFP_FPINST 0x1009 #define KVM_REG_ARM_VFP_FPINST2 0x100A +/* KVM-as-firmware specific pseudo-registers */ +#define KVM_REG_ARM_FW (0x0014 << KVM_REG_ARM_COPROC_SHIFT) +#define KVM_REG_ARM_FW_REG(r) (KVM_REG_ARM | KVM_REG_SIZE_U64 | \ + KVM_REG_ARM_FW | ((r) & 0xffff)) +#define KVM_REG_ARM_PSCI_VERSION KVM_REG_ARM_FW_REG(0) + /* Device Control API: ARM VGIC */ #define KVM_DEV_ARM_VGIC_GRP_ADDR 0 #define KVM_DEV_ARM_VGIC_GRP_DIST_REGS 1 diff --git a/arch/arm/kvm/guest.c b/arch/arm/kvm/guest.c index 1e0784ebbfd6..a18f33edc471 100644 --- a/arch/arm/kvm/guest.c +++ b/arch/arm/kvm/guest.c @@ -22,6 +22,7 @@ #include <linux/module.h> #include <linux/vmalloc.h> #include <linux/fs.h> +#include <kvm/arm_psci.h> #include <asm/cputype.h> #include <linux/uaccess.h> #include <asm/kvm.h> @@ -176,6 +177,7 @@ static unsigned long num_core_regs(void) unsigned long kvm_arm_num_regs(struct kvm_vcpu *vcpu) { return num_core_regs() + kvm_arm_num_coproc_regs(vcpu) + + kvm_arm_get_fw_num_regs(vcpu) + NUM_TIMER_REGS; } @@ -196,6 +198,11 @@ int kvm_arm_copy_reg_indices(struct kvm_vcpu *vcpu, u64 __user *uindices) uindices++; } + ret = kvm_arm_copy_fw_reg_indices(vcpu, uindices); + if (ret) + return ret; + uindices += kvm_arm_get_fw_num_regs(vcpu); + ret = copy_timer_indices(vcpu, uindices); if (ret) return ret; @@ -214,6 +221,9 @@ int kvm_arm_get_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) if ((reg->id & KVM_REG_ARM_COPROC_MASK) == KVM_REG_ARM_CORE) return get_core_reg(vcpu, reg); + if ((reg->id & KVM_REG_ARM_COPROC_MASK) == KVM_REG_ARM_FW) + return kvm_arm_get_fw_reg(vcpu, reg); + if (is_timer_reg(reg->id)) return get_timer_reg(vcpu, reg); @@ -230,6 +240,9 @@ int kvm_arm_set_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) if ((reg->id & KVM_REG_ARM_COPROC_MASK) == KVM_REG_ARM_CORE) return set_core_reg(vcpu, reg); + if ((reg->id & KVM_REG_ARM_COPROC_MASK) == KVM_REG_ARM_FW) + return kvm_arm_set_fw_reg(vcpu, reg); + if (is_timer_reg(reg->id)) return set_timer_reg(vcpu, reg); diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 4603c30fef73..0d9ce58bc464 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -243,8 +243,4 @@ arch/arm/mach-omap2/pm-asm-offsets.s: arch/arm/mach-omap2/pm-asm-offsets.c include/generated/ti-pm-asm-offsets.h: arch/arm/mach-omap2/pm-asm-offsets.s FORCE $(call filechk,offsets,__TI_PM_ASM_OFFSETS_H__) -# For rule to generate ti-emif-asm-offsets.h dependency -include drivers/memory/Makefile.asm-offsets - -arch/arm/mach-omap2/sleep33xx.o: include/generated/ti-pm-asm-offsets.h include/generated/ti-emif-asm-offsets.h -arch/arm/mach-omap2/sleep43xx.o: include/generated/ti-pm-asm-offsets.h include/generated/ti-emif-asm-offsets.h +$(obj)/sleep33xx.o $(obj)/sleep43xx.o: include/generated/ti-pm-asm-offsets.h diff --git a/arch/arm/mach-omap2/pm-asm-offsets.c b/arch/arm/mach-omap2/pm-asm-offsets.c index 6d4392da7c11..b9846b19e5e2 100644 --- a/arch/arm/mach-omap2/pm-asm-offsets.c +++ b/arch/arm/mach-omap2/pm-asm-offsets.c @@ -7,9 +7,12 @@ #include <linux/kbuild.h> #include <linux/platform_data/pm33xx.h> +#include <linux/ti-emif-sram.h> int main(void) { + ti_emif_asm_offsets(); + DEFINE(AMX3_PM_WFI_FLAGS_OFFSET, offsetof(struct am33xx_pm_sram_data, wfi_flags)); DEFINE(AMX3_PM_L2_AUX_CTRL_VAL_OFFSET, diff --git a/arch/arm/mach-omap2/sleep33xx.S b/arch/arm/mach-omap2/sleep33xx.S index 218d79930b04..322b3bb868b4 100644 --- a/arch/arm/mach-omap2/sleep33xx.S +++ b/arch/arm/mach-omap2/sleep33xx.S @@ -6,7 +6,6 @@ * Dave Gerlach, Vaibhav Bedia */ -#include <generated/ti-emif-asm-offsets.h> #include <generated/ti-pm-asm-offsets.h> #include <linux/linkage.h> #include <linux/ti-emif-sram.h> diff --git a/arch/arm/mach-omap2/sleep43xx.S b/arch/arm/mach-omap2/sleep43xx.S index b24be624e8b9..8903814a6677 100644 --- a/arch/arm/mach-omap2/sleep43xx.S +++ b/arch/arm/mach-omap2/sleep43xx.S @@ -6,7 +6,6 @@ * Dave Gerlach, Vaibhav Bedia */ -#include <generated/ti-emif-asm-offsets.h> #include <generated/ti-pm-asm-offsets.h> #include <linux/linkage.h> #include <linux/ti-emif-sram.h> diff --git a/arch/arm/mach-s3c24xx/mach-jive.c b/arch/arm/mach-s3c24xx/mach-jive.c index 59589a4a0d4b..885e8f12e4b9 100644 --- a/arch/arm/mach-s3c24xx/mach-jive.c +++ b/arch/arm/mach-s3c24xx/mach-jive.c @@ -427,9 +427,9 @@ static struct gpiod_lookup_table jive_wm8750_gpiod_table = { .dev_id = "spi_gpio", .table = { GPIO_LOOKUP("GPIOB", 4, - "gpio-sck", GPIO_ACTIVE_HIGH), + "sck", GPIO_ACTIVE_HIGH), GPIO_LOOKUP("GPIOB", 9, - "gpio-mosi", GPIO_ACTIVE_HIGH), + "mosi", GPIO_ACTIVE_HIGH), GPIO_LOOKUP("GPIOH", 10, "cs", GPIO_ACTIVE_HIGH), { }, diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile index 15402861bb59..87f7d2f9f17c 100644 --- a/arch/arm64/Makefile +++ b/arch/arm64/Makefile @@ -56,7 +56,11 @@ KBUILD_AFLAGS += $(lseinstr) $(brokengasinst) KBUILD_CFLAGS += $(call cc-option,-mabi=lp64) KBUILD_AFLAGS += $(call cc-option,-mabi=lp64) +ifeq ($(cc-name),clang) +KBUILD_CFLAGS += -DCONFIG_ARCH_SUPPORTS_INT128 +else KBUILD_CFLAGS += $(call cc-ifversion, -ge, 0500, -DCONFIG_ARCH_SUPPORTS_INT128) +endif ifeq ($(CONFIG_CPU_BIG_ENDIAN), y) KBUILD_CPPFLAGS += -mbig-endian diff --git a/arch/arm64/boot/dts/amlogic/meson-gx-p23x-q20x.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx-p23x-q20x.dtsi index 4eef36b22538..88e712ea757a 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gx-p23x-q20x.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gx-p23x-q20x.dtsi @@ -212,3 +212,7 @@ pinctrl-0 = <&uart_ao_a_pins>; pinctrl-names = "default"; }; + +&usb0 { + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts index 22bf37404ff1..3e3eb31748a3 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts @@ -271,3 +271,15 @@ pinctrl-0 = <&uart_ao_a_pins>; pinctrl-names = "default"; }; + +&usb0 { + status = "okay"; +}; + +&usb2_phy0 { + /* + * even though the schematics don't show it: + * HDMI_5V is also used as supply for the USB VBUS. + */ + phy-supply = <&hdmi_5v>; +}; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-nexbox-a95x.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-nexbox-a95x.dts index 69c721a70e44..6739697be1de 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-nexbox-a95x.dts +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-nexbox-a95x.dts @@ -215,3 +215,7 @@ pinctrl-0 = <&uart_ao_a_pins>; pinctrl-names = "default"; }; + +&usb0 { + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi index 0a0953fbc7d4..0cfd701809de 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-p212.dtsi @@ -185,3 +185,7 @@ pinctrl-0 = <&uart_ao_a_pins>; pinctrl-names = "default"; }; + +&usb0 { + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi index e1a39cbed8c9..dba365ed4bd5 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi @@ -20,6 +20,67 @@ no-map; }; }; + + soc { + usb0: usb@c9000000 { + status = "disabled"; + compatible = "amlogic,meson-gxl-dwc3"; + #address-cells = <2>; + #size-cells = <2>; + ranges; + + clocks = <&clkc CLKID_USB>; + clock-names = "usb_general"; + resets = <&reset RESET_USB_OTG>; + reset-names = "usb_otg"; + + dwc3: dwc3@c9000000 { + compatible = "snps,dwc3"; + reg = <0x0 0xc9000000 0x0 0x100000>; + interrupts = <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>; + dr_mode = "host"; + maximum-speed = "high-speed"; + snps,dis_u2_susphy_quirk; + phys = <&usb3_phy>, <&usb2_phy0>, <&usb2_phy1>; + }; + }; + }; +}; + +&apb { + usb2_phy0: phy@78000 { + compatible = "amlogic,meson-gxl-usb2-phy"; + #phy-cells = <0>; + reg = <0x0 0x78000 0x0 0x20>; + clocks = <&clkc CLKID_USB>; + clock-names = "phy"; + resets = <&reset RESET_USB_OTG>; + reset-names = "phy"; + status = "okay"; + }; + + usb2_phy1: phy@78020 { + compatible = "amlogic,meson-gxl-usb2-phy"; + #phy-cells = <0>; + reg = <0x0 0x78020 0x0 0x20>; + clocks = <&clkc CLKID_USB>; + clock-names = "phy"; + resets = <&reset RESET_USB_OTG>; + reset-names = "phy"; + status = "okay"; + }; + + usb3_phy: phy@78080 { + compatible = "amlogic,meson-gxl-usb3-phy"; + #phy-cells = <0>; + reg = <0x0 0x78080 0x0 0x20>; + interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clkc CLKID_USB>, <&clkc_AO CLKID_AO_CEC_32K>; + clock-names = "phy", "peripheral"; + resets = <&reset RESET_USB_OTG>, <&reset RESET_USB_OTG>; + reset-names = "phy", "peripheral"; + status = "okay"; + }; }; ðmac { diff --git a/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts b/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts index 4fd46c1546a7..0868da476e41 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts +++ b/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts @@ -406,3 +406,7 @@ status = "okay"; vref-supply = <&vddio_ao18>; }; + +&usb0 { + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxm.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxm.dtsi index d076a7c425dd..247888d68a3a 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxm.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxm.dtsi @@ -80,6 +80,19 @@ }; }; +&apb { + usb2_phy2: phy@78040 { + compatible = "amlogic,meson-gxl-usb2-phy"; + #phy-cells = <0>; + reg = <0x0 0x78040 0x0 0x20>; + clocks = <&clkc CLKID_USB>; + clock-names = "phy"; + resets = <&reset RESET_USB_OTG>; + reset-names = "phy"; + status = "okay"; + }; +}; + &clkc_AO { compatible = "amlogic,meson-gxm-aoclkc", "amlogic,meson-gx-aoclkc"; }; @@ -100,3 +113,7 @@ &hdmi_tx { compatible = "amlogic,meson-gxm-dw-hdmi", "amlogic,meson-gx-dw-hdmi"; }; + +&dwc3 { + phys = <&usb3_phy>, <&usb2_phy0>, <&usb2_phy1>, <&usb2_phy2>; +}; diff --git a/arch/arm64/boot/dts/arm/juno-motherboard.dtsi b/arch/arm64/boot/dts/arm/juno-motherboard.dtsi index 2ac43221ddb6..69804c5f1197 100644 --- a/arch/arm64/boot/dts/arm/juno-motherboard.dtsi +++ b/arch/arm64/boot/dts/arm/juno-motherboard.dtsi @@ -56,8 +56,6 @@ gpio_keys { compatible = "gpio-keys"; - #address-cells = <1>; - #size-cells = <0>; power-button { debounce_interval = <50>; diff --git a/arch/arm64/boot/dts/broadcom/stingray/stingray-sata.dtsi b/arch/arm64/boot/dts/broadcom/stingray/stingray-sata.dtsi index 4b5465da81d8..8c68e0c26f1b 100644 --- a/arch/arm64/boot/dts/broadcom/stingray/stingray-sata.dtsi +++ b/arch/arm64/boot/dts/broadcom/stingray/stingray-sata.dtsi @@ -36,11 +36,11 @@ #size-cells = <1>; ranges = <0x0 0x0 0x67d00000 0x00800000>; - sata0: ahci@210000 { + sata0: ahci@0 { compatible = "brcm,iproc-ahci", "generic-ahci"; - reg = <0x00210000 0x1000>; + reg = <0x00000000 0x1000>; reg-names = "ahci"; - interrupts = <GIC_SPI 339 IRQ_TYPE_LEVEL_HIGH>; + interrupts = <GIC_SPI 321 IRQ_TYPE_LEVEL_HIGH>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -52,9 +52,9 @@ }; }; - sata_phy0: sata_phy@212100 { + sata_phy0: sata_phy@2100 { compatible = "brcm,iproc-sr-sata-phy"; - reg = <0x00212100 0x1000>; + reg = <0x00002100 0x1000>; reg-names = "phy"; #address-cells = <1>; #size-cells = <0>; @@ -66,11 +66,11 @@ }; }; - sata1: ahci@310000 { + sata1: ahci@10000 { compatible = "brcm,iproc-ahci", "generic-ahci"; - reg = <0x00310000 0x1000>; + reg = <0x00010000 0x1000>; reg-names = "ahci"; - interrupts = <GIC_SPI 347 IRQ_TYPE_LEVEL_HIGH>; + interrupts = <GIC_SPI 323 IRQ_TYPE_LEVEL_HIGH>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -82,9 +82,9 @@ }; }; - sata_phy1: sata_phy@312100 { + sata_phy1: sata_phy@12100 { compatible = "brcm,iproc-sr-sata-phy"; - reg = <0x00312100 0x1000>; + reg = <0x00012100 0x1000>; reg-names = "phy"; #address-cells = <1>; #size-cells = <0>; @@ -96,11 +96,11 @@ }; }; - sata2: ahci@120000 { + sata2: ahci@20000 { compatible = "brcm,iproc-ahci", "generic-ahci"; - reg = <0x00120000 0x1000>; + reg = <0x00020000 0x1000>; reg-names = "ahci"; - interrupts = <GIC_SPI 333 IRQ_TYPE_LEVEL_HIGH>; + interrupts = <GIC_SPI 325 IRQ_TYPE_LEVEL_HIGH>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -112,9 +112,9 @@ }; }; - sata_phy2: sata_phy@122100 { + sata_phy2: sata_phy@22100 { compatible = "brcm,iproc-sr-sata-phy"; - reg = <0x00122100 0x1000>; + reg = <0x00022100 0x1000>; reg-names = "phy"; #address-cells = <1>; #size-cells = <0>; @@ -126,11 +126,11 @@ }; }; - sata3: ahci@130000 { + sata3: ahci@30000 { compatible = "brcm,iproc-ahci", "generic-ahci"; - reg = <0x00130000 0x1000>; + reg = <0x00030000 0x1000>; reg-names = "ahci"; - interrupts = <GIC_SPI 335 IRQ_TYPE_LEVEL_HIGH>; + interrupts = <GIC_SPI 327 IRQ_TYPE_LEVEL_HIGH>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -142,9 +142,9 @@ }; }; - sata_phy3: sata_phy@132100 { + sata_phy3: sata_phy@32100 { compatible = "brcm,iproc-sr-sata-phy"; - reg = <0x00132100 0x1000>; + reg = <0x00032100 0x1000>; reg-names = "phy"; #address-cells = <1>; #size-cells = <0>; @@ -156,11 +156,11 @@ }; }; - sata4: ahci@330000 { + sata4: ahci@100000 { compatible = "brcm,iproc-ahci", "generic-ahci"; - reg = <0x00330000 0x1000>; + reg = <0x00100000 0x1000>; reg-names = "ahci"; - interrupts = <GIC_SPI 351 IRQ_TYPE_LEVEL_HIGH>; + interrupts = <GIC_SPI 329 IRQ_TYPE_LEVEL_HIGH>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -172,9 +172,9 @@ }; }; - sata_phy4: sata_phy@332100 { + sata_phy4: sata_phy@102100 { compatible = "brcm,iproc-sr-sata-phy"; - reg = <0x00332100 0x1000>; + reg = <0x00102100 0x1000>; reg-names = "phy"; #address-cells = <1>; #size-cells = <0>; @@ -186,11 +186,11 @@ }; }; - sata5: ahci@400000 { + sata5: ahci@110000 { compatible = "brcm,iproc-ahci", "generic-ahci"; - reg = <0x00400000 0x1000>; + reg = <0x00110000 0x1000>; reg-names = "ahci"; - interrupts = <GIC_SPI 353 IRQ_TYPE_LEVEL_HIGH>; + interrupts = <GIC_SPI 331 IRQ_TYPE_LEVEL_HIGH>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -202,9 +202,9 @@ }; }; - sata_phy5: sata_phy@402100 { + sata_phy5: sata_phy@112100 { compatible = "brcm,iproc-sr-sata-phy"; - reg = <0x00402100 0x1000>; + reg = <0x00112100 0x1000>; reg-names = "phy"; #address-cells = <1>; #size-cells = <0>; @@ -216,11 +216,11 @@ }; }; - sata6: ahci@410000 { + sata6: ahci@120000 { compatible = "brcm,iproc-ahci", "generic-ahci"; - reg = <0x00410000 0x1000>; + reg = <0x00120000 0x1000>; reg-names = "ahci"; - interrupts = <GIC_SPI 355 IRQ_TYPE_LEVEL_HIGH>; + interrupts = <GIC_SPI 333 IRQ_TYPE_LEVEL_HIGH>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -232,9 +232,9 @@ }; }; - sata_phy6: sata_phy@412100 { + sata_phy6: sata_phy@122100 { compatible = "brcm,iproc-sr-sata-phy"; - reg = <0x00412100 0x1000>; + reg = <0x00122100 0x1000>; reg-names = "phy"; #address-cells = <1>; #size-cells = <0>; @@ -246,11 +246,11 @@ }; }; - sata7: ahci@420000 { + sata7: ahci@130000 { compatible = "brcm,iproc-ahci", "generic-ahci"; - reg = <0x00420000 0x1000>; + reg = <0x00130000 0x1000>; reg-names = "ahci"; - interrupts = <GIC_SPI 357 IRQ_TYPE_LEVEL_HIGH>; + interrupts = <GIC_SPI 335 IRQ_TYPE_LEVEL_HIGH>; #address-cells = <1>; #size-cells = <0>; status = "disabled"; @@ -262,9 +262,9 @@ }; }; - sata_phy7: sata_phy@422100 { + sata_phy7: sata_phy@132100 { compatible = "brcm,iproc-sr-sata-phy"; - reg = <0x00422100 0x1000>; + reg = <0x00132100 0x1000>; reg-names = "phy"; #address-cells = <1>; #size-cells = <0>; diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index ab46bc70add6..469de8acd06f 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -75,6 +75,9 @@ struct kvm_arch { /* Interrupt controller */ struct vgic_dist vgic; + + /* Mandated version of PSCI */ + u32 psci_version; }; #define KVM_NR_MEM_OBJS 40 diff --git a/arch/arm64/include/asm/module.h b/arch/arm64/include/asm/module.h index b6dbbe3123a9..97d0ef12e2ff 100644 --- a/arch/arm64/include/asm/module.h +++ b/arch/arm64/include/asm/module.h @@ -39,7 +39,7 @@ struct mod_arch_specific { u64 module_emit_plt_entry(struct module *mod, void *loc, const Elf64_Rela *rela, Elf64_Sym *sym); -u64 module_emit_adrp_veneer(struct module *mod, void *loc, u64 val); +u64 module_emit_veneer_for_adrp(struct module *mod, void *loc, u64 val); #ifdef CONFIG_RANDOMIZE_BASE extern u64 module_alloc_base; diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 7e2c27e63cd8..7c4c8f318ba9 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -230,7 +230,7 @@ static inline void set_pte(pte_t *ptep, pte_t pte) } } -extern void __sync_icache_dcache(pte_t pteval, unsigned long addr); +extern void __sync_icache_dcache(pte_t pteval); /* * PTE bits configuration in the presence of hardware Dirty Bit Management @@ -253,7 +253,7 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t old_pte; if (pte_present(pte) && pte_user_exec(pte) && !pte_special(pte)) - __sync_icache_dcache(pte, addr); + __sync_icache_dcache(pte); /* * If the existing pte is valid, check for potential race with diff --git a/arch/arm64/include/uapi/asm/kvm.h b/arch/arm64/include/uapi/asm/kvm.h index 9abbf3044654..04b3256f8e6d 100644 --- a/arch/arm64/include/uapi/asm/kvm.h +++ b/arch/arm64/include/uapi/asm/kvm.h @@ -206,6 +206,12 @@ struct kvm_arch_memory_slot { #define KVM_REG_ARM_TIMER_CNT ARM64_SYS_REG(3, 3, 14, 3, 2) #define KVM_REG_ARM_TIMER_CVAL ARM64_SYS_REG(3, 3, 14, 0, 2) +/* KVM-as-firmware specific pseudo-registers */ +#define KVM_REG_ARM_FW (0x0014 << KVM_REG_ARM_COPROC_SHIFT) +#define KVM_REG_ARM_FW_REG(r) (KVM_REG_ARM64 | KVM_REG_SIZE_U64 | \ + KVM_REG_ARM_FW | ((r) & 0xffff)) +#define KVM_REG_ARM_PSCI_VERSION KVM_REG_ARM_FW_REG(0) + /* Device Control API: ARM VGIC */ #define KVM_DEV_ARM_VGIC_GRP_ADDR 0 #define KVM_DEV_ARM_VGIC_GRP_DIST_REGS 1 diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 536d572e5596..9d1b06d67c53 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -868,6 +868,7 @@ static bool unmap_kernel_at_el0(const struct arm64_cpu_capabilities *entry, static const struct midr_range kpti_safe_list[] = { MIDR_ALL_VERSIONS(MIDR_CAVIUM_THUNDERX2), MIDR_ALL_VERSIONS(MIDR_BRCM_VULCAN), + { /* sentinel */ } }; char const *str = "command line option"; diff --git a/arch/arm64/kernel/module-plts.c b/arch/arm64/kernel/module-plts.c index fa3637284a3d..f0690c2ca3e0 100644 --- a/arch/arm64/kernel/module-plts.c +++ b/arch/arm64/kernel/module-plts.c @@ -43,7 +43,7 @@ u64 module_emit_plt_entry(struct module *mod, void *loc, const Elf64_Rela *rela, } #ifdef CONFIG_ARM64_ERRATUM_843419 -u64 module_emit_adrp_veneer(struct module *mod, void *loc, u64 val) +u64 module_emit_veneer_for_adrp(struct module *mod, void *loc, u64 val) { struct mod_plt_sec *pltsec = !in_init(mod, loc) ? &mod->arch.core : &mod->arch.init; diff --git a/arch/arm64/kernel/module.c b/arch/arm64/kernel/module.c index 719fde8dcc19..155fd91e78f4 100644 --- a/arch/arm64/kernel/module.c +++ b/arch/arm64/kernel/module.c @@ -215,7 +215,7 @@ static int reloc_insn_adrp(struct module *mod, __le32 *place, u64 val) insn &= ~BIT(31); } else { /* out of range for ADR -> emit a veneer */ - val = module_emit_adrp_veneer(mod, place, val & ~0xfff); + val = module_emit_veneer_for_adrp(mod, place, val & ~0xfff); if (!val) return -ENOEXEC; insn = aarch64_insn_gen_branch_imm((u64)place, val, diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c index 71d99af24ef2..7ff81fed46e1 100644 --- a/arch/arm64/kernel/ptrace.c +++ b/arch/arm64/kernel/ptrace.c @@ -25,6 +25,7 @@ #include <linux/sched/signal.h> #include <linux/sched/task_stack.h> #include <linux/mm.h> +#include <linux/nospec.h> #include <linux/smp.h> #include <linux/ptrace.h> #include <linux/user.h> @@ -249,15 +250,20 @@ static struct perf_event *ptrace_hbp_get_event(unsigned int note_type, switch (note_type) { case NT_ARM_HW_BREAK: - if (idx < ARM_MAX_BRP) - bp = tsk->thread.debug.hbp_break[idx]; + if (idx >= ARM_MAX_BRP) + goto out; + idx = array_index_nospec(idx, ARM_MAX_BRP); + bp = tsk->thread.debug.hbp_break[idx]; break; case NT_ARM_HW_WATCH: - if (idx < ARM_MAX_WRP) - bp = tsk->thread.debug.hbp_watch[idx]; + if (idx >= ARM_MAX_WRP) + goto out; + idx = array_index_nospec(idx, ARM_MAX_WRP); + bp = tsk->thread.debug.hbp_watch[idx]; break; } +out: return bp; } @@ -1458,9 +1464,7 @@ static int compat_ptrace_gethbpregs(struct task_struct *tsk, compat_long_t num, { int ret; u32 kdata; - mm_segment_t old_fs = get_fs(); - set_fs(KERNEL_DS); /* Watchpoint */ if (num < 0) { ret = compat_ptrace_hbp_get(NT_ARM_HW_WATCH, tsk, num, &kdata); @@ -1471,7 +1475,6 @@ static int compat_ptrace_gethbpregs(struct task_struct *tsk, compat_long_t num, } else { ret = compat_ptrace_hbp_get(NT_ARM_HW_BREAK, tsk, num, &kdata); } - set_fs(old_fs); if (!ret) ret = put_user(kdata, data); @@ -1484,7 +1487,6 @@ static int compat_ptrace_sethbpregs(struct task_struct *tsk, compat_long_t num, { int ret; u32 kdata = 0; - mm_segment_t old_fs = get_fs(); if (num == 0) return 0; @@ -1493,12 +1495,10 @@ static int compat_ptrace_sethbpregs(struct task_struct *tsk, compat_long_t num, if (ret) return ret; - set_fs(KERNEL_DS); if (num < 0) ret = compat_ptrace_hbp_set(NT_ARM_HW_WATCH, tsk, num, &kdata); else ret = compat_ptrace_hbp_set(NT_ARM_HW_BREAK, tsk, num, &kdata); - set_fs(old_fs); return ret; } diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c index 1cb2749a72bf..8bbdc17e49df 100644 --- a/arch/arm64/kernel/traps.c +++ b/arch/arm64/kernel/traps.c @@ -277,7 +277,8 @@ void arm64_skip_faulting_instruction(struct pt_regs *regs, unsigned long size) * If we were single stepping, we want to get the step exception after * we return from the trap. */ - user_fastforward_single_step(current); + if (user_mode(regs)) + user_fastforward_single_step(current); } static LIST_HEAD(undef_hook); diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c index 959e50d2588c..56a0260ceb11 100644 --- a/arch/arm64/kvm/guest.c +++ b/arch/arm64/kvm/guest.c @@ -25,6 +25,7 @@ #include <linux/module.h> #include <linux/vmalloc.h> #include <linux/fs.h> +#include <kvm/arm_psci.h> #include <asm/cputype.h> #include <linux/uaccess.h> #include <asm/kvm.h> @@ -205,7 +206,7 @@ static int get_timer_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) unsigned long kvm_arm_num_regs(struct kvm_vcpu *vcpu) { return num_core_regs() + kvm_arm_num_sys_reg_descs(vcpu) - + NUM_TIMER_REGS; + + kvm_arm_get_fw_num_regs(vcpu) + NUM_TIMER_REGS; } /** @@ -225,6 +226,11 @@ int kvm_arm_copy_reg_indices(struct kvm_vcpu *vcpu, u64 __user *uindices) uindices++; } + ret = kvm_arm_copy_fw_reg_indices(vcpu, uindices); + if (ret) + return ret; + uindices += kvm_arm_get_fw_num_regs(vcpu); + ret = copy_timer_indices(vcpu, uindices); if (ret) return ret; @@ -243,6 +249,9 @@ int kvm_arm_get_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) if ((reg->id & KVM_REG_ARM_COPROC_MASK) == KVM_REG_ARM_CORE) return get_core_reg(vcpu, reg); + if ((reg->id & KVM_REG_ARM_COPROC_MASK) == KVM_REG_ARM_FW) + return kvm_arm_get_fw_reg(vcpu, reg); + if (is_timer_reg(reg->id)) return get_timer_reg(vcpu, reg); @@ -259,6 +268,9 @@ int kvm_arm_set_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) if ((reg->id & KVM_REG_ARM_COPROC_MASK) == KVM_REG_ARM_CORE) return set_core_reg(vcpu, reg); + if ((reg->id & KVM_REG_ARM_COPROC_MASK) == KVM_REG_ARM_FW) + return kvm_arm_set_fw_reg(vcpu, reg); + if (is_timer_reg(reg->id)) return set_timer_reg(vcpu, reg); diff --git a/arch/arm64/kvm/sys_regs.c b/arch/arm64/kvm/sys_regs.c index 806b0b126a64..6e3b969391fd 100644 --- a/arch/arm64/kvm/sys_regs.c +++ b/arch/arm64/kvm/sys_regs.c @@ -996,14 +996,12 @@ static u64 read_id_reg(struct sys_reg_desc const *r, bool raz) if (id == SYS_ID_AA64PFR0_EL1) { if (val & (0xfUL << ID_AA64PFR0_SVE_SHIFT)) - pr_err_once("kvm [%i]: SVE unsupported for guests, suppressing\n", - task_pid_nr(current)); + kvm_debug("SVE unsupported for guests, suppressing\n"); val &= ~(0xfUL << ID_AA64PFR0_SVE_SHIFT); } else if (id == SYS_ID_AA64MMFR1_EL1) { if (val & (0xfUL << ID_AA64MMFR1_LOR_SHIFT)) - pr_err_once("kvm [%i]: LORegions unsupported for guests, suppressing\n", - task_pid_nr(current)); + kvm_debug("LORegions unsupported for guests, suppressing\n"); val &= ~(0xfUL << ID_AA64MMFR1_LOR_SHIFT); } diff --git a/arch/arm64/lib/Makefile b/arch/arm64/lib/Makefile index 0ead8a1d1679..137710f4dac3 100644 --- a/arch/arm64/lib/Makefile +++ b/arch/arm64/lib/Makefile @@ -19,5 +19,9 @@ CFLAGS_atomic_ll_sc.o := -fcall-used-x0 -ffixed-x1 -ffixed-x2 \ -fcall-saved-x13 -fcall-saved-x14 -fcall-saved-x15 \ -fcall-saved-x18 -fomit-frame-pointer CFLAGS_REMOVE_atomic_ll_sc.o := -pg +GCOV_PROFILE_atomic_ll_sc.o := n +KASAN_SANITIZE_atomic_ll_sc.o := n +KCOV_INSTRUMENT_atomic_ll_sc.o := n +UBSAN_SANITIZE_atomic_ll_sc.o := n lib-$(CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE) += uaccess_flushcache.o diff --git a/arch/arm64/mm/flush.c b/arch/arm64/mm/flush.c index e36ed5087b5c..1059884f9a6f 100644 --- a/arch/arm64/mm/flush.c +++ b/arch/arm64/mm/flush.c @@ -58,7 +58,7 @@ void copy_to_user_page(struct vm_area_struct *vma, struct page *page, flush_ptrace_access(vma, page, uaddr, dst, len); } -void __sync_icache_dcache(pte_t pte, unsigned long addr) +void __sync_icache_dcache(pte_t pte) { struct page *page = pte_page(pte); diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index c32a181a7cbb..23247fa551e7 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -162,6 +162,7 @@ config PPC select BUILDTIME_EXTABLE_SORT select CLONE_BACKWARDS select DCACHE_WORD_ACCESS if PPC64 && CPU_LITTLE_ENDIAN + select DYNAMIC_FTRACE if FUNCTION_TRACER select EDAC_ATOMIC_SCRUB select EDAC_SUPPORT select GENERIC_ATOMIC64 if PPC32 @@ -220,6 +221,7 @@ config PPC select HAVE_PERF_USER_STACK_DUMP select HAVE_RCU_TABLE_FREE if SMP select HAVE_REGS_AND_STACK_ACCESS_API + select HAVE_RELIABLE_STACKTRACE if PPC64 && CPU_LITTLE_ENDIAN select HAVE_SYSCALL_TRACEPOINTS select HAVE_VIRT_CPU_ACCOUNTING select HAVE_IRQ_TIME_ACCOUNTING diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile index 95813df90801..6faf1d6ad9dd 100644 --- a/arch/powerpc/Makefile +++ b/arch/powerpc/Makefile @@ -17,17 +17,18 @@ HAS_BIARCH := $(call cc-option-yn, -m32) # Set default 32 bits cross compilers for vdso and boot wrapper CROSS32_COMPILE ?= -CROSS32CC := $(CROSS32_COMPILE)gcc -CROSS32AR := $(CROSS32_COMPILE)ar - ifeq ($(HAS_BIARCH),y) ifeq ($(CROSS32_COMPILE),) -CROSS32CC := $(CC) -m32 -KBUILD_ARFLAGS += --target=elf32-powerpc +ifdef CONFIG_PPC32 +# These options will be overridden by any -mcpu option that the CPU +# or platform code sets later on the command line, but they are needed +# to set a sane 32-bit cpu target for the 64-bit cross compiler which +# may default to the wrong ISA. +KBUILD_CFLAGS += -mcpu=powerpc +KBUILD_AFLAGS += -mcpu=powerpc +endif endif endif - -export CROSS32CC CROSS32AR ifeq ($(CROSS_COMPILE),) KBUILD_DEFCONFIG := $(shell uname -m)_defconfig @@ -74,13 +75,15 @@ endif endif ifeq ($(CONFIG_CPU_LITTLE_ENDIAN),y) -override LD += -EL +KBUILD_CFLAGS += -mlittle-endian +LDFLAGS += -EL LDEMULATION := lppc GNUTARGET := powerpcle MULTIPLEWORD := -mno-multiple KBUILD_CFLAGS_MODULE += $(call cc-option,-mno-save-toc-indirect) else -override LD += -EB +KBUILD_CFLAGS += $(call cc-option,-mbig-endian) +LDFLAGS += -EB LDEMULATION := ppc GNUTARGET := powerpc MULTIPLEWORD := -mmultiple @@ -93,19 +96,19 @@ aflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mabi=elfv1) aflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mabi=elfv2 endif -cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mlittle-endian -cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mbig-endian) ifneq ($(cc-name),clang) cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mno-strict-align endif +cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mbig-endian) +cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mlittle-endian aflags-$(CONFIG_CPU_BIG_ENDIAN) += $(call cc-option,-mbig-endian) aflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -mlittle-endian ifeq ($(HAS_BIARCH),y) -override AS += -a$(BITS) -override LD += -m elf$(BITS)$(LDEMULATION) -override CC += -m$(BITS) +KBUILD_CFLAGS += -m$(BITS) +KBUILD_AFLAGS += -m$(BITS) -Wl,-a$(BITS) +LDFLAGS += -m elf$(BITS)$(LDEMULATION) KBUILD_ARFLAGS += --target=elf$(BITS)-$(GNUTARGET) endif diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 26d5d2a5b8e9..49767e06202c 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -23,19 +23,23 @@ all: $(obj)/zImage compress-$(CONFIG_KERNEL_GZIP) := CONFIG_KERNEL_GZIP compress-$(CONFIG_KERNEL_XZ) := CONFIG_KERNEL_XZ +ifdef CROSS32_COMPILE + BOOTCC := $(CROSS32_COMPILE)gcc + BOOTAR := $(CROSS32_COMPILE)ar +else + BOOTCC := $(CC) + BOOTAR := $(AR) +endif + BOOTCFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ -fno-strict-aliasing -Os -msoft-float -pipe \ -fomit-frame-pointer -fno-builtin -fPIC -nostdinc \ -D$(compress-y) -BOOTCC := $(CC) ifdef CONFIG_PPC64_BOOT_WRAPPER BOOTCFLAGS += -m64 else BOOTCFLAGS += -m32 -ifdef CROSS32_COMPILE - BOOTCC := $(CROSS32_COMPILE)gcc -endif endif BOOTCFLAGS += -isystem $(shell $(BOOTCC) -print-file-name=include) @@ -49,6 +53,8 @@ endif BOOTAFLAGS := -D__ASSEMBLY__ $(BOOTCFLAGS) -traditional -nostdinc +BOOTARFLAGS := -cr$(KBUILD_ARFLAGS) + ifdef CONFIG_DEBUG_INFO BOOTCFLAGS += -g endif @@ -202,7 +208,7 @@ quiet_cmd_bootas = BOOTAS $@ cmd_bootas = $(BOOTCC) -Wp,-MD,$(depfile) $(BOOTAFLAGS) -c -o $@ $< quiet_cmd_bootar = BOOTAR $@ - cmd_bootar = $(CROSS32AR) -cr$(KBUILD_ARFLAGS) $@.$$$$ $(filter-out FORCE,$^); mv $@.$$$$ $@ + cmd_bootar = $(BOOTAR) $(BOOTARFLAGS) $@.$$$$ $(filter-out FORCE,$^); mv $@.$$$$ $@ $(obj-libfdt): $(obj)/%.o: $(srctree)/scripts/dtc/libfdt/%.c FORCE $(call if_changed_dep,bootcc) diff --git a/arch/powerpc/boot/dts/fsl/t104xqds.dtsi b/arch/powerpc/boot/dts/fsl/t104xqds.dtsi index 2fd4cbe7098f..615479732252 100644 --- a/arch/powerpc/boot/dts/fsl/t104xqds.dtsi +++ b/arch/powerpc/boot/dts/fsl/t104xqds.dtsi @@ -269,7 +269,7 @@ i2c@118000 { pca9547@77 { - compatible = "philips,pca9547"; + compatible = "nxp,pca9547"; reg = <0x77>; }; rtc@68 { diff --git a/arch/powerpc/boot/dts/sbc8349.dts b/arch/powerpc/boot/dts/sbc8349.dts deleted file mode 100644 index fc89e00b765c..000000000000 --- a/arch/powerpc/boot/dts/sbc8349.dts +++ /dev/null @@ -1,331 +0,0 @@ -/* - * SBC8349E Device Tree Source - * - * Copyright 2007 Wind River Inc. - * - * Paul Gortmaker (see MAINTAINERS for contact information) - * - * -based largely on the Freescale MPC834x_MDS dts. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -/dts-v1/; - -/ { - model = "SBC8349E"; - compatible = "SBC834xE"; - #address-cells = <1>; - #size-cells = <1>; - - aliases { - ethernet0 = &enet0; - ethernet1 = &enet1; - serial0 = &serial0; - serial1 = &serial1; - pci0 = &pci0; - }; - - cpus { - #address-cells = <1>; - #size-cells = <0>; - - PowerPC,8349@0 { - device_type = "cpu"; - reg = <0x0>; - d-cache-line-size = <32>; - i-cache-line-size = <32>; - d-cache-size = <32768>; - i-cache-size = <32768>; - timebase-frequency = <0>; // from bootloader - bus-frequency = <0>; // from bootloader - clock-frequency = <0>; // from bootloader - }; - }; - - memory { - device_type = "memory"; - reg = <0x00000000 0x10000000>; // 256MB at 0 - }; - - soc8349@e0000000 { - #address-cells = <1>; - #size-cells = <1>; - device_type = "soc"; - ranges = <0x0 0xe0000000 0x00100000>; - reg = <0xe0000000 0x00000200>; - bus-frequency = <0>; - - wdt@200 { - compatible = "mpc83xx_wdt"; - reg = <0x200 0x100>; - }; - - i2c@3000 { - #address-cells = <1>; - #size-cells = <0>; - cell-index = <0>; - compatible = "fsl-i2c"; - reg = <0x3000 0x100>; - interrupts = <14 0x8>; - interrupt-parent = <&ipic>; - dfsrr; - }; - - i2c@3100 { - #address-cells = <1>; - #size-cells = <0>; - cell-index = <1>; - compatible = "fsl-i2c"; - reg = <0x3100 0x100>; - interrupts = <15 0x8>; - interrupt-parent = <&ipic>; - dfsrr; - }; - - spi@7000 { - cell-index = <0>; - compatible = "fsl,spi"; - reg = <0x7000 0x1000>; - interrupts = <16 0x8>; - interrupt-parent = <&ipic>; - mode = "cpu"; - }; - - dma@82a8 { - #address-cells = <1>; - #size-cells = <1>; - compatible = "fsl,mpc8349-dma", "fsl,elo-dma"; - reg = <0x82a8 4>; - ranges = <0 0x8100 0x1a8>; - interrupt-parent = <&ipic>; - interrupts = <71 8>; - cell-index = <0>; - dma-channel@0 { - compatible = "fsl,mpc8349-dma-channel", "fsl,elo-dma-channel"; - reg = <0 0x80>; - cell-index = <0>; - interrupt-parent = <&ipic>; - interrupts = <71 8>; - }; - dma-channel@80 { - compatible = "fsl,mpc8349-dma-channel", "fsl,elo-dma-channel"; - reg = <0x80 0x80>; - cell-index = <1>; - interrupt-parent = <&ipic>; - interrupts = <71 8>; - }; - dma-channel@100 { - compatible = "fsl,mpc8349-dma-channel", "fsl,elo-dma-channel"; - reg = <0x100 0x80>; - cell-index = <2>; - interrupt-parent = <&ipic>; - interrupts = <71 8>; - }; - dma-channel@180 { - compatible = "fsl,mpc8349-dma-channel", "fsl,elo-dma-channel"; - reg = <0x180 0x28>; - cell-index = <3>; - interrupt-parent = <&ipic>; - interrupts = <71 8>; - }; - }; - - /* phy type (ULPI or SERIAL) are only types supported for MPH */ - /* port = 0 or 1 */ - usb@22000 { - compatible = "fsl-usb2-mph"; - reg = <0x22000 0x1000>; - #address-cells = <1>; - #size-cells = <0>; - interrupt-parent = <&ipic>; - interrupts = <39 0x8>; - phy_type = "ulpi"; - port0; - }; - - enet0: ethernet@24000 { - #address-cells = <1>; - #size-cells = <1>; - cell-index = <0>; - device_type = "network"; - model = "TSEC"; - compatible = "gianfar"; - reg = <0x24000 0x1000>; - ranges = <0x0 0x24000 0x1000>; - local-mac-address = [ 00 00 00 00 00 00 ]; - interrupts = <32 0x8 33 0x8 34 0x8>; - interrupt-parent = <&ipic>; - tbi-handle = <&tbi0>; - phy-handle = <&phy0>; - linux,network-index = <0>; - - mdio@520 { - #address-cells = <1>; - #size-cells = <0>; - compatible = "fsl,gianfar-mdio"; - reg = <0x520 0x20>; - - phy0: ethernet-phy@19 { - interrupt-parent = <&ipic>; - interrupts = <20 0x8>; - reg = <0x19>; - }; - - phy1: ethernet-phy@1a { - interrupt-parent = <&ipic>; - interrupts = <21 0x8>; - reg = <0x1a>; - }; - - tbi0: tbi-phy@11 { - reg = <0x11>; - device_type = "tbi-phy"; - }; - }; - }; - - enet1: ethernet@25000 { - #address-cells = <1>; - #size-cells = <1>; - cell-index = <1>; - device_type = "network"; - model = "TSEC"; - compatible = "gianfar"; - reg = <0x25000 0x1000>; - ranges = <0x0 0x25000 0x1000>; - local-mac-address = [ 00 00 00 00 00 00 ]; - interrupts = <35 0x8 36 0x8 37 0x8>; - interrupt-parent = <&ipic>; - tbi-handle = <&tbi1>; - phy-handle = <&phy1>; - linux,network-index = <1>; - - mdio@520 { - #address-cells = <1>; - #size-cells = <0>; - compatible = "fsl,gianfar-tbi"; - reg = <0x520 0x20>; - - tbi1: tbi-phy@11 { - reg = <0x11>; - device_type = "tbi-phy"; - }; - }; - }; - - serial0: serial@4500 { - cell-index = <0>; - device_type = "serial"; - compatible = "fsl,ns16550", "ns16550"; - reg = <0x4500 0x100>; - clock-frequency = <0>; - interrupts = <9 0x8>; - interrupt-parent = <&ipic>; - }; - - serial1: serial@4600 { - cell-index = <1>; - device_type = "serial"; - compatible = "fsl,ns16550", "ns16550"; - reg = <0x4600 0x100>; - clock-frequency = <0>; - interrupts = <10 0x8>; - interrupt-parent = <&ipic>; - }; - - crypto@30000 { - compatible = "fsl,sec2.0"; - reg = <0x30000 0x10000>; - interrupts = <11 0x8>; - interrupt-parent = <&ipic>; - fsl,num-channels = <4>; - fsl,channel-fifo-len = <24>; - fsl,exec-units-mask = <0x7e>; - fsl,descriptor-types-mask = <0x01010ebf>; - }; - - /* IPIC - * interrupts cell = <intr #, sense> - * sense values match linux IORESOURCE_IRQ_* defines: - * sense == 8: Level, low assertion - * sense == 2: Edge, high-to-low change - */ - ipic: pic@700 { - interrupt-controller; - #address-cells = <0>; - #interrupt-cells = <2>; - reg = <0x700 0x100>; - device_type = "ipic"; - }; - }; - - localbus@e0005000 { - #address-cells = <2>; - #size-cells = <1>; - compatible = "fsl,mpc8349-localbus", "simple-bus"; - reg = <0xe0005000 0x1000>; - interrupts = <77 0x8>; - interrupt-parent = <&ipic>; - ranges = <0x0 0x0 0xff800000 0x00800000 /* 8MB Flash */ - 0x1 0x0 0xf8000000 0x00002000 /* 8KB EEPROM */ - 0x2 0x0 0x10000000 0x04000000 /* 64MB SDRAM */ - 0x3 0x0 0x10000000 0x04000000>; /* 64MB SDRAM */ - - flash@0,0 { - #address-cells = <1>; - #size-cells = <1>; - compatible = "intel,28F640J3A", "cfi-flash"; - reg = <0x0 0x0 0x800000>; - bank-width = <2>; - device-width = <1>; - - partition@0 { - label = "u-boot"; - reg = <0x00000000 0x00040000>; - read-only; - }; - - partition@40000 { - label = "user"; - reg = <0x00040000 0x006c0000>; - }; - - partition@700000 { - label = "legacy u-boot"; - reg = <0x00700000 0x00100000>; - read-only; - }; - - }; - }; - - pci0: pci@e0008500 { - interrupt-map-mask = <0xf800 0x0 0x0 0x7>; - interrupt-map = < - - /* IDSEL 0x11 */ - 0x8800 0x0 0x0 0x1 &ipic 48 0x8 - 0x8800 0x0 0x0 0x2 &ipic 17 0x8 - 0x8800 0x0 0x0 0x3 &ipic 18 0x8 - 0x8800 0x0 0x0 0x4 &ipic 19 0x8>; - - interrupt-parent = <&ipic>; - interrupts = <0x42 0x8>; - bus-range = <0 0>; - ranges = <0x02000000 0x0 0x90000000 0x90000000 0x0 0x10000000 - 0x42000000 0x0 0x80000000 0x80000000 0x0 0x10000000 - 0x01000000 0x0 0x00000000 0xe2000000 0x0 0x00100000>; - clock-frequency = <66666666>; - #interrupt-cells = <1>; - #size-cells = <2>; - #address-cells = <3>; - reg = <0xe0008500 0x100 /* internal registers */ - 0xe0008300 0x8>; /* config space access registers */ - compatible = "fsl,mpc8349-pci"; - device_type = "pci"; - }; -}; diff --git a/arch/powerpc/configs/83xx/sbc834x_defconfig b/arch/powerpc/configs/83xx/sbc834x_defconfig deleted file mode 100644 index 7d74699334da..000000000000 --- a/arch/powerpc/configs/83xx/sbc834x_defconfig +++ /dev/null @@ -1,74 +0,0 @@ -CONFIG_SYSVIPC=y -CONFIG_LOG_BUF_SHIFT=14 -CONFIG_BLK_DEV_INITRD=y -CONFIG_EXPERT=y -# CONFIG_KALLSYMS is not set -CONFIG_SLAB=y -CONFIG_MODULES=y -CONFIG_MODULE_UNLOAD=y -# CONFIG_BLK_DEV_BSG is not set -# CONFIG_PPC_CHRP is not set -# CONFIG_PPC_PMAC is not set -CONFIG_PPC_83xx=y -CONFIG_SBC834x=y -CONFIG_GEN_RTC=y -CONFIG_PCI=y -CONFIG_NET=y -CONFIG_PACKET=y -CONFIG_UNIX=y -CONFIG_XFRM_USER=m -CONFIG_INET=y -CONFIG_IP_MULTICAST=y -CONFIG_IP_PNP=y -CONFIG_IP_PNP_DHCP=y -CONFIG_IP_PNP_BOOTP=y -CONFIG_SYN_COOKIES=y -# CONFIG_IPV6 is not set -CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" -# CONFIG_FW_LOADER is not set -CONFIG_MTD=y -CONFIG_MTD_CMDLINE_PARTS=y -CONFIG_MTD_BLOCK=y -CONFIG_MTD_CFI=y -CONFIG_MTD_CFI_INTELEXT=y -CONFIG_MTD_PHYSMAP_OF=y -CONFIG_BLK_DEV_LOOP=y -CONFIG_BLK_DEV_RAM=y -CONFIG_BLK_DEV_RAM_SIZE=32768 -CONFIG_SCSI=y -# CONFIG_SCSI_PROC_FS is not set -CONFIG_BLK_DEV_SD=y -# CONFIG_SCSI_LOWLEVEL is not set -CONFIG_NETDEVICES=y -CONFIG_GIANFAR=y -CONFIG_BROADCOM_PHY=y -# CONFIG_INPUT_KEYBOARD is not set -# CONFIG_INPUT_MOUSE is not set -# CONFIG_SERIO is not set -# CONFIG_VT is not set -CONFIG_SERIAL_8250=y -CONFIG_SERIAL_8250_CONSOLE=y -# CONFIG_SERIAL_8250_PCI is not set -CONFIG_SERIAL_8250_NR_UARTS=2 -CONFIG_SERIAL_8250_RUNTIME_UARTS=2 -# CONFIG_HW_RANDOM is not set -CONFIG_I2C=y -CONFIG_I2C_CHARDEV=y -CONFIG_I2C_MPC=y -CONFIG_WATCHDOG=y -# CONFIG_USB_HID is not set -CONFIG_USB=y -CONFIG_USB_MON=y -CONFIG_USB_EHCI_HCD=y -CONFIG_USB_EHCI_FSL=y -CONFIG_USB_STORAGE=y -CONFIG_EXT2_FS=y -CONFIG_EXT4_FS=y -CONFIG_PROC_KCORE=y -CONFIG_TMPFS=y -CONFIG_NFS_FS=y -CONFIG_NFS_V4=y -CONFIG_ROOT_NFS=y -CONFIG_CRYPTO_ECB=m -CONFIG_CRYPTO_PCBC=m -# CONFIG_CRYPTO_HW is not set diff --git a/arch/powerpc/configs/powernv_defconfig b/arch/powerpc/configs/powernv_defconfig index 9e92aa6a52ba..6ab34e60495f 100644 --- a/arch/powerpc/configs/powernv_defconfig +++ b/arch/powerpc/configs/powernv_defconfig @@ -38,7 +38,9 @@ CONFIG_MODULE_UNLOAD=y CONFIG_MODVERSIONS=y CONFIG_MODULE_SRCVERSION_ALL=y CONFIG_PARTITION_ADVANCED=y +CONFIG_SCOM_DEBUGFS=y CONFIG_OPAL_PRD=y +CONFIG_PPC_MEMTRACE=y # CONFIG_PPC_PSERIES is not set # CONFIG_PPC_OF_BOOT_TRAMPOLINE is not set CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y @@ -54,7 +56,10 @@ CONFIG_NUMA=y CONFIG_MEMORY_HOTPLUG=y CONFIG_MEMORY_HOTREMOVE=y CONFIG_KSM=y +CONFIG_MEMORY_FAILURE=y +CONFIG_HWPOISON_INJECT=m CONFIG_TRANSPARENT_HUGEPAGE=y +CONFIG_DEFERRED_STRUCT_PAGE_INIT=y CONFIG_PPC_64K_PAGES=y CONFIG_PPC_SUBPAGE_PROT=y CONFIG_SCHED_SMT=y @@ -72,7 +77,13 @@ CONFIG_SYN_COOKIES=y CONFIG_INET_AH=m CONFIG_INET_ESP=m CONFIG_INET_IPCOMP=m -# CONFIG_IPV6 is not set +CONFIG_INET6_AH=m +CONFIG_INET6_ESP=m +CONFIG_INET6_IPCOMP=m +CONFIG_INET6_XFRM_MODE_TRANSPORT=m +CONFIG_INET6_XFRM_MODE_TUNNEL=m +CONFIG_INET6_XFRM_MODE_BEET=m +CONFIG_IPV6_SIT=m CONFIG_NETFILTER=y # CONFIG_NETFILTER_ADVANCED is not set CONFIG_BRIDGE=m @@ -81,33 +92,28 @@ CONFIG_NET_SCHED=y CONFIG_NET_CLS_BPF=m CONFIG_NET_CLS_ACT=y CONFIG_NET_ACT_BPF=m +CONFIG_DNS_RESOLVER=y CONFIG_BPF_JIT=y +# CONFIG_WIRELESS is not set CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" CONFIG_DEVTMPFS=y CONFIG_DEVTMPFS_MOUNT=y CONFIG_MTD=y CONFIG_MTD_BLOCK=y CONFIG_MTD_POWERNV_FLASH=y -CONFIG_PARPORT=m -CONFIG_PARPORT_PC=m -CONFIG_BLK_DEV_FD=m CONFIG_BLK_DEV_LOOP=y CONFIG_BLK_DEV_NBD=m -CONFIG_BLK_DEV_RAM=y +CONFIG_BLK_DEV_RAM=m CONFIG_BLK_DEV_RAM_SIZE=65536 -CONFIG_VIRTIO_BLK=m CONFIG_BLK_DEV_NVME=y -CONFIG_IDE=y -CONFIG_BLK_DEV_IDECD=y -CONFIG_BLK_DEV_GENERIC=y -CONFIG_BLK_DEV_AMD74XX=y CONFIG_BLK_DEV_SD=y CONFIG_CHR_DEV_ST=m -CONFIG_BLK_DEV_SR=y +CONFIG_BLK_DEV_SR=m CONFIG_BLK_DEV_SR_VENDOR=y -CONFIG_CHR_DEV_SG=y +CONFIG_CHR_DEV_SG=m CONFIG_SCSI_CONSTANTS=y -CONFIG_SCSI_FC_ATTRS=y +CONFIG_SCSI_SCAN_ASYNC=y +CONFIG_SCSI_FC_ATTRS=m CONFIG_SCSI_SRP_ATTRS=y CONFIG_SCSI_CXGB3_ISCSI=m CONFIG_SCSI_CXGB4_ISCSI=m @@ -121,7 +127,6 @@ CONFIG_SCSI_IPR=y CONFIG_SCSI_QLA_FC=m CONFIG_SCSI_QLA_ISCSI=m CONFIG_SCSI_LPFC=m -CONFIG_SCSI_VIRTIO=m CONFIG_SCSI_DH=y CONFIG_SCSI_DH_RDAC=m CONFIG_SCSI_DH_ALUA=m @@ -152,16 +157,16 @@ CONFIG_DUMMY=m CONFIG_MACVLAN=m CONFIG_MACVTAP=m CONFIG_VXLAN=m -CONFIG_NETCONSOLE=y +CONFIG_NETCONSOLE=m CONFIG_TUN=m CONFIG_VETH=m -CONFIG_VIRTIO_NET=m CONFIG_VORTEX=m CONFIG_ACENIC=m CONFIG_ACENIC_OMIT_TIGON_I=y CONFIG_PCNET32=m CONFIG_TIGON3=y CONFIG_BNX2X=m +# CONFIG_CAVIUM_PTP is not set CONFIG_CHELSIO_T1=m CONFIG_BE2NET=m CONFIG_S2IO=m @@ -172,46 +177,62 @@ CONFIG_IXGB=m CONFIG_IXGBE=m CONFIG_I40E=m CONFIG_MLX4_EN=m +CONFIG_MLX5_CORE=m +CONFIG_MLX5_FPGA=y +CONFIG_MLX5_CORE_EN=y +CONFIG_MLX5_CORE_IPOIB=y CONFIG_MYRI10GE=m CONFIG_QLGE=m CONFIG_NETXEN_NIC=m -CONFIG_PPP=m -CONFIG_PPP_BSDCOMP=m -CONFIG_PPP_DEFLATE=m -CONFIG_PPPOE=m -CONFIG_PPP_ASYNC=m -CONFIG_PPP_SYNC_TTY=m +CONFIG_USB_NET_DRIVERS=m +# CONFIG_WLAN is not set CONFIG_INPUT_EVDEV=m -CONFIG_INPUT_MISC=y -# CONFIG_SERIO_SERPORT is not set +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_SERIO is not set +# CONFIG_LEGACY_PTYS is not set CONFIG_SERIAL_8250=y CONFIG_SERIAL_8250_CONSOLE=y +CONFIG_SERIAL_8250_PCI=m CONFIG_SERIAL_JSM=m -CONFIG_VIRTIO_CONSOLE=m CONFIG_IPMI_HANDLER=y CONFIG_IPMI_DEVICE_INTERFACE=y CONFIG_IPMI_POWERNV=y -CONFIG_RAW_DRIVER=y -CONFIG_MAX_RAW_DEVS=1024 +# CONFIG_DEVPORT is not set CONFIG_I2C_CHARDEV=y +# CONFIG_PTP_1588_CLOCK is not set CONFIG_DRM=y CONFIG_DRM_AST=y CONFIG_FIRMWARE_EDID=y CONFIG_FB_OF=y -CONFIG_FB_MATROX=y +CONFIG_FB_MATROX=m CONFIG_FB_MATROX_MILLENIUM=y CONFIG_FB_MATROX_MYSTIQUE=y CONFIG_FB_MATROX_G=y -CONFIG_FB_RADEON=y -CONFIG_FB_IBM_GXT4500=y +CONFIG_FB_RADEON=m +CONFIG_FB_IBM_GXT4500=m CONFIG_LCD_PLATFORM=m +CONFIG_BACKLIGHT_GENERIC=m # CONFIG_VGA_CONSOLE is not set CONFIG_LOGO=y -CONFIG_HID_GYRATION=y -CONFIG_HID_PANTHERLORD=y -CONFIG_HID_PETALYNX=y -CONFIG_HID_SAMSUNG=y -CONFIG_HID_SUNPLUS=y +CONFIG_HID_A4TECH=m +CONFIG_HID_APPLE=m +CONFIG_HID_BELKIN=m +CONFIG_HID_CHERRY=m +CONFIG_HID_CHICONY=m +CONFIG_HID_CYPRESS=m +CONFIG_HID_EZKEY=m +CONFIG_HID_GYRATION=m +CONFIG_HID_ITE=m +CONFIG_HID_KENSINGTON=m +CONFIG_HID_LOGITECH=m +CONFIG_HID_MICROSOFT=m +CONFIG_HID_MONTEREY=m +CONFIG_HID_PANTHERLORD=m +CONFIG_HID_PETALYNX=m +CONFIG_HID_SAMSUNG=m +CONFIG_HID_SUNPLUS=m +CONFIG_USB_HID=m CONFIG_USB_HIDDEV=y CONFIG_USB=y CONFIG_USB_MON=m @@ -219,6 +240,7 @@ CONFIG_USB_XHCI_HCD=y CONFIG_USB_EHCI_HCD=y # CONFIG_USB_EHCI_HCD_PPC_OF is not set CONFIG_USB_OHCI_HCD=y +CONFIG_USB_OHCI_HCD_PCI=m CONFIG_USB_STORAGE=y CONFIG_NEW_LEDS=y CONFIG_LEDS_CLASS=m @@ -236,8 +258,9 @@ CONFIG_INFINIBAND_SRP=m CONFIG_INFINIBAND_ISER=m CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_GENERIC=y -CONFIG_VIRTIO_PCI=m -CONFIG_VIRTIO_BALLOON=m +# CONFIG_VIRTIO_MENU is not set +CONFIG_LIBNVDIMM=y +# CONFIG_ND_BLK is not set CONFIG_EXT2_FS=y CONFIG_EXT2_FS_XATTR=y CONFIG_EXT2_FS_POSIX_ACL=y @@ -253,12 +276,13 @@ CONFIG_XFS_POSIX_ACL=y CONFIG_BTRFS_FS=m CONFIG_BTRFS_FS_POSIX_ACL=y CONFIG_NILFS2_FS=m +CONFIG_FANOTIFY=y CONFIG_AUTOFS4_FS=m CONFIG_FUSE_FS=m CONFIG_OVERLAY_FS=m CONFIG_ISO9660_FS=y CONFIG_UDF_FS=m -CONFIG_MSDOS_FS=y +CONFIG_MSDOS_FS=m CONFIG_VFAT_FS=m CONFIG_PROC_KCORE=y CONFIG_TMPFS=y @@ -270,9 +294,9 @@ CONFIG_SQUASHFS_XATTR=y CONFIG_SQUASHFS_LZO=y CONFIG_SQUASHFS_XZ=y CONFIG_PSTORE=y -CONFIG_NFS_FS=y +CONFIG_NFS_FS=m CONFIG_NFS_V3_ACL=y -CONFIG_NFS_V4=y +CONFIG_NFS_V4=m CONFIG_NFSD=m CONFIG_NFSD_V3_ACL=y CONFIG_NFSD_V4=y @@ -291,9 +315,7 @@ CONFIG_DEBUG_STACKOVERFLOW=y CONFIG_SOFTLOCKUP_DETECTOR=y CONFIG_HARDLOCKUP_DETECTOR=y CONFIG_LATENCYTOP=y -CONFIG_FTRACE=y CONFIG_FUNCTION_TRACER=y -CONFIG_FUNCTION_GRAPH_TRACER=y CONFIG_SCHED_TRACER=y CONFIG_FTRACE_SYSCALLS=y CONFIG_BLK_DEV_IO_TRACE=y @@ -303,10 +325,10 @@ CONFIG_FTR_FIXUP_SELFTEST=y CONFIG_MSI_BITMAP_SELFTEST=y CONFIG_XMON=y CONFIG_CRYPTO_TEST=m -CONFIG_CRYPTO_CCM=m CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_HMAC=y CONFIG_CRYPTO_CRC32C_VPMSUM=m +CONFIG_CRYPTO_CRCT10DIF_VPMSUM=m CONFIG_CRYPTO_MD5_PPC=m CONFIG_CRYPTO_MICHAEL_MIC=m CONFIG_CRYPTO_SHA1_PPC=m diff --git a/arch/powerpc/configs/wii_defconfig b/arch/powerpc/configs/wii_defconfig index 0b0f78823a1b..10940533da71 100644 --- a/arch/powerpc/configs/wii_defconfig +++ b/arch/powerpc/configs/wii_defconfig @@ -49,7 +49,9 @@ CONFIG_BLK_DEV_RAM_COUNT=2 CONFIG_SCSI=y CONFIG_BLK_DEV_SD=y CONFIG_NETDEVICES=y +# CONFIG_ETHERNET is not set CONFIG_B43=y +CONFIG_B43_BUSES_SSB=y CONFIG_B43_SDIO=y # CONFIG_B43_PHY_LP is not set CONFIG_B43_DEBUG=y @@ -57,6 +59,7 @@ CONFIG_INPUT_FF_MEMLESS=m CONFIG_INPUT_JOYDEV=y CONFIG_INPUT_EVDEV=y # CONFIG_KEYBOARD_ATKBD is not set +CONFIG_KEYBOARD_GPIO=y # CONFIG_MOUSE_PS2 is not set CONFIG_INPUT_JOYSTICK=y CONFIG_INPUT_MISC=y @@ -71,6 +74,9 @@ CONFIG_I2C_CHARDEV=y CONFIG_I2C_GPIO=y CONFIG_GPIOLIB=y CONFIG_GPIO_SYSFS=y +CONFIG_GPIO_HLWD=y +CONFIG_POWER_RESET=y +CONFIG_POWER_RESET_GPIO=y # CONFIG_HWMON is not set CONFIG_SSB_DEBUG=y CONFIG_FB=y @@ -88,6 +94,14 @@ CONFIG_HID_APPLE=m CONFIG_HID_WACOM=m CONFIG_MMC=y CONFIG_MMC_SDHCI=y +CONFIG_MMC_SDHCI_PLTFM=y +CONFIG_MMC_SDHCI_OF_HLWD=y +CONFIG_NEW_LEDS=y +CONFIG_LEDS_CLASS=y +CONFIG_LEDS_GPIO=y +CONFIG_LEDS_TRIGGERS=y +CONFIG_LEDS_TRIGGER_HEARTBEAT=y +CONFIG_LEDS_TRIGGER_PANIC=y CONFIG_RTC_CLASS=y CONFIG_RTC_DRV_GENERIC=y CONFIG_EXT2_FS=y diff --git a/arch/powerpc/include/asm/asm-prototypes.h b/arch/powerpc/include/asm/asm-prototypes.h index d9713ad62e3c..aa9e785c59c2 100644 --- a/arch/powerpc/include/asm/asm-prototypes.h +++ b/arch/powerpc/include/asm/asm-prototypes.h @@ -36,8 +36,7 @@ void kexec_copy_flush(struct kimage *image); /* pseries hcall tracing */ extern struct static_key hcall_tracepoint_key; void __trace_hcall_entry(unsigned long opcode, unsigned long *args); -void __trace_hcall_exit(long opcode, unsigned long retval, - unsigned long *retbuf); +void __trace_hcall_exit(long opcode, long retval, unsigned long *retbuf); /* OPAL tracing */ #ifdef HAVE_JUMP_LABEL extern struct static_key opal_tracepoint_key; @@ -81,18 +80,12 @@ void machine_check_exception(struct pt_regs *regs); void emulation_assist_interrupt(struct pt_regs *regs); /* signals, syscalls and interrupts */ -#ifdef CONFIG_PPC64 -int sys_swapcontext(struct ucontext __user *old_ctx, - struct ucontext __user *new_ctx, - long ctx_size, long r6, long r7, long r8, struct pt_regs *regs); -#else long sys_swapcontext(struct ucontext __user *old_ctx, struct ucontext __user *new_ctx, - int ctx_size, int r6, int r7, int r8, struct pt_regs *regs); -int sys_debug_setcontext(struct ucontext __user *ctx, - int ndbg, struct sig_dbg_op __user *dbg, - int r6, int r7, int r8, - struct pt_regs *regs); + long ctx_size); +#ifdef CONFIG_PPC32 +long sys_debug_setcontext(struct ucontext __user *ctx, + int ndbg, struct sig_dbg_op __user *dbg); int ppc_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp, struct timeval __user *tvp); unsigned long __init early_init(unsigned long dt_ptr); @@ -141,4 +134,7 @@ unsigned long prepare_ftrace_return(unsigned long parent, unsigned long ip); void pnv_power9_force_smt4_catch(void); void pnv_power9_force_smt4_release(void); +void tm_enable(void); +void tm_disable(void); +void tm_abort(uint8_t cause); #endif /* _ASM_POWERPC_ASM_PROTOTYPES_H */ diff --git a/arch/powerpc/include/asm/book3s/32/pgalloc.h b/arch/powerpc/include/asm/book3s/32/pgalloc.h index 5073cc75f1c8..6a6673907e45 100644 --- a/arch/powerpc/include/asm/book3s/32/pgalloc.h +++ b/arch/powerpc/include/asm/book3s/32/pgalloc.h @@ -99,6 +99,7 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage) static inline void pgtable_free(void *table, unsigned index_size) { if (!index_size) { + pgtable_page_dtor(virt_to_page(table)); free_page((unsigned long)table); } else { BUG_ON(index_size > MAX_PGTABLE_INDEX_SIZE); diff --git a/arch/powerpc/include/asm/book3s/64/hash-4k.h b/arch/powerpc/include/asm/book3s/64/hash-4k.h index 4b5423030d4b..9a3798660cef 100644 --- a/arch/powerpc/include/asm/book3s/64/hash-4k.h +++ b/arch/powerpc/include/asm/book3s/64/hash-4k.h @@ -38,8 +38,12 @@ #define H_PAGE_4K_PFN 0x0 #define H_PAGE_THP_HUGE 0x0 #define H_PAGE_COMBO 0x0 -#define H_PTE_FRAG_NR 0 -#define H_PTE_FRAG_SIZE_SHIFT 0 + +/* 8 bytes per each pte entry */ +#define H_PTE_FRAG_SIZE_SHIFT (H_PTE_INDEX_SIZE + 3) +#define H_PTE_FRAG_NR (PAGE_SIZE >> H_PTE_FRAG_SIZE_SHIFT) +#define H_PMD_FRAG_SIZE_SHIFT (H_PMD_INDEX_SIZE + 3) +#define H_PMD_FRAG_NR (PAGE_SIZE >> H_PMD_FRAG_SIZE_SHIFT) /* memory key bits, only 8 keys supported */ #define H_PTE_PKEY_BIT0 0 diff --git a/arch/powerpc/include/asm/book3s/64/hash-64k.h b/arch/powerpc/include/asm/book3s/64/hash-64k.h index cc82745355b3..c81793d47af9 100644 --- a/arch/powerpc/include/asm/book3s/64/hash-64k.h +++ b/arch/powerpc/include/asm/book3s/64/hash-64k.h @@ -46,6 +46,13 @@ #define H_PTE_FRAG_SIZE_SHIFT (H_PTE_INDEX_SIZE + 3 + 1) #define H_PTE_FRAG_NR (PAGE_SIZE >> H_PTE_FRAG_SIZE_SHIFT) +#if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_HUGETLB_PAGE) +#define H_PMD_FRAG_SIZE_SHIFT (H_PMD_INDEX_SIZE + 3 + 1) +#else +#define H_PMD_FRAG_SIZE_SHIFT (H_PMD_INDEX_SIZE + 3) +#endif +#define H_PMD_FRAG_NR (PAGE_SIZE >> H_PMD_FRAG_SIZE_SHIFT) + #ifndef __ASSEMBLY__ #include <asm/errno.h> diff --git a/arch/powerpc/include/asm/book3s/64/hash.h b/arch/powerpc/include/asm/book3s/64/hash.h index cc8cd656ccfe..0387b155f13d 100644 --- a/arch/powerpc/include/asm/book3s/64/hash.h +++ b/arch/powerpc/include/asm/book3s/64/hash.h @@ -23,16 +23,6 @@ H_PUD_INDEX_SIZE + H_PGD_INDEX_SIZE + PAGE_SHIFT) #define H_PGTABLE_RANGE (ASM_CONST(1) << H_PGTABLE_EADDR_SIZE) -#if (defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_HUGETLB_PAGE)) && \ - defined(CONFIG_PPC_64K_PAGES) -/* - * only with hash 64k we need to use the second half of pmd page table - * to store pointer to deposited pgtable_t - */ -#define H_PMD_CACHE_INDEX (H_PMD_INDEX_SIZE + 1) -#else -#define H_PMD_CACHE_INDEX H_PMD_INDEX_SIZE -#endif /* * We store the slot details in the second half of page table. * Increase the pud level table so that hugetlb ptes can be stored diff --git a/arch/powerpc/include/asm/book3s/64/mmu.h b/arch/powerpc/include/asm/book3s/64/mmu.h index 5094696eecd6..9c8c669a6b6a 100644 --- a/arch/powerpc/include/asm/book3s/64/mmu.h +++ b/arch/powerpc/include/asm/book3s/64/mmu.h @@ -134,10 +134,11 @@ typedef struct { #ifdef CONFIG_PPC_SUBPAGE_PROT struct subpage_prot_table spt; #endif /* CONFIG_PPC_SUBPAGE_PROT */ -#ifdef CONFIG_PPC_64K_PAGES - /* for 4K PTE fragment support */ + /* + * pagetable fragment support + */ void *pte_frag; -#endif + void *pmd_frag; #ifdef CONFIG_SPAPR_TCE_IOMMU struct list_head iommu_group_mem_list; #endif diff --git a/arch/powerpc/include/asm/book3s/64/pgalloc.h b/arch/powerpc/include/asm/book3s/64/pgalloc.h index 558a159600ad..01ee40f11f3a 100644 --- a/arch/powerpc/include/asm/book3s/64/pgalloc.h +++ b/arch/powerpc/include/asm/book3s/64/pgalloc.h @@ -42,7 +42,9 @@ extern struct kmem_cache *pgtable_cache[]; }) extern pte_t *pte_fragment_alloc(struct mm_struct *, unsigned long, int); +extern pmd_t *pmd_fragment_alloc(struct mm_struct *, unsigned long); extern void pte_fragment_free(unsigned long *, int); +extern void pmd_fragment_free(unsigned long *); extern void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift); #ifdef CONFIG_SMP extern void __tlb_remove_table(void *_table); @@ -88,8 +90,7 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm) * need to do this for 4k. */ #if defined(CONFIG_HUGETLB_PAGE) && defined(CONFIG_PPC_64K_PAGES) && \ - ((H_PGD_INDEX_SIZE == H_PUD_CACHE_INDEX) || \ - (H_PGD_INDEX_SIZE == H_PMD_CACHE_INDEX)) + (H_PGD_INDEX_SIZE == H_PUD_CACHE_INDEX) memset(pgd, 0, PGD_TABLE_SIZE); #endif return pgd; @@ -124,36 +125,35 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) } static inline void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud, - unsigned long address) + unsigned long address) { /* * By now all the pud entries should be none entries. So go * ahead and flush the page walk cache */ flush_tlb_pgtable(tlb, address); - pgtable_free_tlb(tlb, pud, PUD_CACHE_INDEX); + pgtable_free_tlb(tlb, pud, PUD_INDEX); } static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) { - return kmem_cache_alloc(PGT_CACHE(PMD_CACHE_INDEX), - pgtable_gfp_flags(mm, GFP_KERNEL)); + return pmd_fragment_alloc(mm, addr); } static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) { - kmem_cache_free(PGT_CACHE(PMD_CACHE_INDEX), pmd); + pmd_fragment_free((unsigned long *)pmd); } static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd, - unsigned long address) + unsigned long address) { /* * By now all the pud entries should be none entries. So go * ahead and flush the page walk cache */ flush_tlb_pgtable(tlb, address); - return pgtable_free_tlb(tlb, pmd, PMD_CACHE_INDEX); + return pgtable_free_tlb(tlb, pmd, PMD_INDEX); } static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, @@ -173,31 +173,6 @@ static inline pgtable_t pmd_pgtable(pmd_t pmd) return (pgtable_t)pmd_page_vaddr(pmd); } -#ifdef CONFIG_PPC_4K_PAGES -static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, - unsigned long address) -{ - return (pte_t *)__get_free_page(GFP_KERNEL | __GFP_ZERO); -} - -static inline pgtable_t pte_alloc_one(struct mm_struct *mm, - unsigned long address) -{ - struct page *page; - pte_t *pte; - - pte = (pte_t *)__get_free_page(GFP_KERNEL | __GFP_ZERO | __GFP_ACCOUNT); - if (!pte) - return NULL; - page = virt_to_page(pte); - if (!pgtable_page_ctor(page)) { - __free_page(page); - return NULL; - } - return pte; -} -#else /* if CONFIG_PPC_64K_PAGES */ - static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) { @@ -209,7 +184,6 @@ static inline pgtable_t pte_alloc_one(struct mm_struct *mm, { return (pgtable_t)pte_fragment_alloc(mm, address, 0); } -#endif static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) { @@ -229,7 +203,7 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table, * ahead and flush the page walk cache */ flush_tlb_pgtable(tlb, address); - pgtable_free_tlb(tlb, table, 0); + pgtable_free_tlb(tlb, table, PTE_INDEX); } #define check_pgt_cache() do { } while (0) diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h index 47b5ffc8715d..c233915abb68 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable.h @@ -212,13 +212,13 @@ extern unsigned long __pte_index_size; extern unsigned long __pmd_index_size; extern unsigned long __pud_index_size; extern unsigned long __pgd_index_size; -extern unsigned long __pmd_cache_index; extern unsigned long __pud_cache_index; #define PTE_INDEX_SIZE __pte_index_size #define PMD_INDEX_SIZE __pmd_index_size #define PUD_INDEX_SIZE __pud_index_size #define PGD_INDEX_SIZE __pgd_index_size -#define PMD_CACHE_INDEX __pmd_cache_index +/* pmd table use page table fragments */ +#define PMD_CACHE_INDEX 0 #define PUD_CACHE_INDEX __pud_cache_index /* * Because of use of pte fragments and THP, size of page table @@ -246,6 +246,12 @@ extern unsigned long __pte_frag_size_shift; #define PTE_FRAG_SIZE_SHIFT __pte_frag_size_shift #define PTE_FRAG_SIZE (1UL << PTE_FRAG_SIZE_SHIFT) +extern unsigned long __pmd_frag_nr; +#define PMD_FRAG_NR __pmd_frag_nr +extern unsigned long __pmd_frag_size_shift; +#define PMD_FRAG_SIZE_SHIFT __pmd_frag_size_shift +#define PMD_FRAG_SIZE (1UL << PMD_FRAG_SIZE_SHIFT) + #define PTRS_PER_PTE (1 << PTE_INDEX_SIZE) #define PTRS_PER_PMD (1 << PMD_INDEX_SIZE) #define PTRS_PER_PUD (1 << PUD_INDEX_SIZE) @@ -273,6 +279,16 @@ extern unsigned long __pte_frag_size_shift; /* Bits to mask out from a PGD to get to the PUD page */ #define PGD_MASKED_BITS 0xc0000000000000ffUL +/* + * Used as an indicator for rcu callback functions + */ +enum pgtable_index { + PTE_INDEX = 0, + PMD_INDEX, + PUD_INDEX, + PGD_INDEX, +}; + extern unsigned long __vmalloc_start; extern unsigned long __vmalloc_end; #define VMALLOC_START __vmalloc_start diff --git a/arch/powerpc/include/asm/book3s/64/radix-4k.h b/arch/powerpc/include/asm/book3s/64/radix-4k.h index ca366ec86310..863c3e8286fb 100644 --- a/arch/powerpc/include/asm/book3s/64/radix-4k.h +++ b/arch/powerpc/include/asm/book3s/64/radix-4k.h @@ -15,4 +15,7 @@ #define RADIX_PTE_FRAG_SIZE_SHIFT (RADIX_PTE_INDEX_SIZE + 3) #define RADIX_PTE_FRAG_NR (PAGE_SIZE >> RADIX_PTE_FRAG_SIZE_SHIFT) +#define RADIX_PMD_FRAG_SIZE_SHIFT (RADIX_PMD_INDEX_SIZE + 3) +#define RADIX_PMD_FRAG_NR (PAGE_SIZE >> RADIX_PMD_FRAG_SIZE_SHIFT) + #endif /* _ASM_POWERPC_PGTABLE_RADIX_4K_H */ diff --git a/arch/powerpc/include/asm/book3s/64/radix-64k.h b/arch/powerpc/include/asm/book3s/64/radix-64k.h index 830082496876..ccb78ca9d0c5 100644 --- a/arch/powerpc/include/asm/book3s/64/radix-64k.h +++ b/arch/powerpc/include/asm/book3s/64/radix-64k.h @@ -16,4 +16,8 @@ */ #define RADIX_PTE_FRAG_SIZE_SHIFT (RADIX_PTE_INDEX_SIZE + 3) #define RADIX_PTE_FRAG_NR (PAGE_SIZE >> RADIX_PTE_FRAG_SIZE_SHIFT) + +#define RADIX_PMD_FRAG_SIZE_SHIFT (RADIX_PMD_INDEX_SIZE + 3) +#define RADIX_PMD_FRAG_NR (PAGE_SIZE >> RADIX_PMD_FRAG_SIZE_SHIFT) + #endif /* _ASM_POWERPC_PGTABLE_RADIX_64K_H */ diff --git a/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h b/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h index 19b45ba6caf9..ef5c3f2994c9 100644 --- a/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h +++ b/arch/powerpc/include/asm/book3s/64/tlbflush-radix.h @@ -51,4 +51,11 @@ extern void radix__flush_tlb_all(void); extern void radix__flush_tlb_pte_p9_dd1(unsigned long old_pte, struct mm_struct *mm, unsigned long address); +extern void radix__flush_tlb_lpid_page(unsigned int lpid, + unsigned long addr, + unsigned long page_size); +extern void radix__flush_pwc_lpid(unsigned int lpid); +extern void radix__local_flush_tlb_lpid(unsigned int lpid); +extern void radix__local_flush_tlb_lpid_guest(unsigned int lpid); + #endif diff --git a/arch/powerpc/include/asm/checksum.h b/arch/powerpc/include/asm/checksum.h index 842124b199b5..4e63787dc3be 100644 --- a/arch/powerpc/include/asm/checksum.h +++ b/arch/powerpc/include/asm/checksum.h @@ -112,7 +112,7 @@ static inline __wsum csum_add(__wsum csum, __wsum addend) #ifdef __powerpc64__ res += (__force u64)addend; - return (__force __wsum) from64to32(res); + return (__force __wsum)((u32)res + (res >> 32)); #else asm("addc %0,%0,%1;" "addze %0,%0;" diff --git a/arch/powerpc/include/asm/ftrace.h b/arch/powerpc/include/asm/ftrace.h index b2dabd06659d..3dfb80b86561 100644 --- a/arch/powerpc/include/asm/ftrace.h +++ b/arch/powerpc/include/asm/ftrace.h @@ -48,9 +48,6 @@ #else /* !__ASSEMBLY__ */ extern void _mcount(void); -#ifdef CONFIG_DYNAMIC_FTRACE -# define FTRACE_ADDR ((unsigned long)ftrace_caller) -# define FTRACE_REGS_ADDR FTRACE_ADDR static inline unsigned long ftrace_call_adjust(unsigned long addr) { /* reloction of mcount call site is the same as the address */ @@ -60,15 +57,15 @@ static inline unsigned long ftrace_call_adjust(unsigned long addr) struct dyn_arch_ftrace { struct module *mod; }; -#endif /* CONFIG_DYNAMIC_FTRACE */ #endif /* __ASSEMBLY__ */ #ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS #define ARCH_SUPPORTS_FTRACE_OPS 1 #endif -#endif +#endif /* CONFIG_FUNCTION_TRACER */ -#if defined(CONFIG_FTRACE_SYSCALLS) && !defined(__ASSEMBLY__) +#ifndef __ASSEMBLY__ +#ifdef CONFIG_FTRACE_SYSCALLS /* * Some syscall entry functions on powerpc start with "ppc_" (fork and clone, * for instance) or ppc32_/ppc64_. We should also match the sys_ variant with @@ -94,7 +91,25 @@ static inline bool arch_syscall_match_sym_name(const char *sym, const char *name (!strncmp(sym, "ppc32_", 6) && !strcmp(sym + 6, name + 4)) || (!strncmp(sym, "ppc64_", 6) && !strcmp(sym + 6, name + 4)); } -#endif -#endif /* CONFIG_FTRACE_SYSCALLS && !__ASSEMBLY__ */ +#endif /* PPC64_ELF_ABI_v1 */ +#endif /* CONFIG_FTRACE_SYSCALLS */ + +#ifdef CONFIG_PPC64 +#include <asm/paca.h> + +static inline void this_cpu_disable_ftrace(void) +{ + get_paca()->ftrace_enabled = 0; +} + +static inline void this_cpu_enable_ftrace(void) +{ + get_paca()->ftrace_enabled = 1; +} +#else /* CONFIG_PPC64 */ +static inline void this_cpu_disable_ftrace(void) { } +static inline void this_cpu_enable_ftrace(void) { } +#endif /* CONFIG_PPC64 */ +#endif /* !__ASSEMBLY__ */ #endif /* _ASM_POWERPC_FTRACE */ diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h index 78540c074d70..96444bc08034 100644 --- a/arch/powerpc/include/asm/hugetlb.h +++ b/arch/powerpc/include/asm/hugetlb.h @@ -202,7 +202,7 @@ static inline void flush_hugetlb_page(struct vm_area_struct *vma, static inline pte_t *hugepte_offset(hugepd_t hpd, unsigned long addr, unsigned pdshift) { - return 0; + return NULL; } #endif /* CONFIG_HUGETLB_PAGE */ diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h index af074923d598..e0331e754568 100644 --- a/arch/powerpc/include/asm/io.h +++ b/arch/powerpc/include/asm/io.h @@ -367,6 +367,11 @@ static inline void __raw_writeq(unsigned long v, volatile void __iomem *addr) *(volatile unsigned long __force *)PCI_FIX_ADDR(addr) = v; } +static inline void __raw_writeq_be(unsigned long v, volatile void __iomem *addr) +{ + __raw_writeq((__force unsigned long)cpu_to_be64(v), addr); +} + /* * Real mode versions of the above. Those instructions are only supposed * to be used in hypervisor real mode as per the architecture spec. @@ -395,6 +400,11 @@ static inline void __raw_rm_writeq(u64 val, volatile void __iomem *paddr) : : "r" (val), "r" (paddr) : "memory"); } +static inline void __raw_rm_writeq_be(u64 val, volatile void __iomem *paddr) +{ + __raw_rm_writeq((__force u64)cpu_to_be64(val), paddr); +} + static inline u8 __raw_rm_readb(volatile void __iomem *paddr) { u8 ret; diff --git a/arch/powerpc/include/asm/mmu-book3e.h b/arch/powerpc/include/asm/mmu-book3e.h index cda94a0f5146..e20072972e35 100644 --- a/arch/powerpc/include/asm/mmu-book3e.h +++ b/arch/powerpc/include/asm/mmu-book3e.h @@ -230,10 +230,6 @@ typedef struct { unsigned int id; unsigned int active; unsigned long vdso_base; -#ifdef CONFIG_PPC_64K_PAGES - /* for 4K PTE fragment support */ - void *pte_frag; -#endif } mm_context_t; /* Page size definitions, common between 32 and 64-bit @@ -275,8 +271,6 @@ static inline unsigned int mmu_psize_to_shift(unsigned int mmu_psize) */ #if defined(CONFIG_PPC_4K_PAGES) #define mmu_virtual_psize MMU_PAGE_4K -#elif defined(CONFIG_PPC_64K_PAGES) -#define mmu_virtual_psize MMU_PAGE_64K #else #error Unsupported page size #endif diff --git a/arch/powerpc/include/asm/module.h b/arch/powerpc/include/asm/module.h index 4f6573934792..d8374f984f39 100644 --- a/arch/powerpc/include/asm/module.h +++ b/arch/powerpc/include/asm/module.h @@ -50,10 +50,6 @@ struct mod_arch_specific { unsigned int stubs_section; /* Index of stubs section in module */ unsigned int toc_section; /* What section is the TOC? */ bool toc_fixed; /* Have we fixed up .TOC.? */ -#ifdef CONFIG_DYNAMIC_FTRACE - unsigned long toc; - unsigned long tramp; -#endif /* For module function descriptor dereference */ unsigned long start_opd; @@ -62,10 +58,14 @@ struct mod_arch_specific { /* Indices of PLT sections within module. */ unsigned int core_plt_section; unsigned int init_plt_section; +#endif /* powerpc64 */ + #ifdef CONFIG_DYNAMIC_FTRACE unsigned long tramp; +#ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS + unsigned long tramp_regs; +#endif #endif -#endif /* powerpc64 */ /* List of BUG addresses, source line numbers and filenames */ struct list_head bug_list; diff --git a/arch/powerpc/include/asm/mpc52xx.h b/arch/powerpc/include/asm/mpc52xx.h index e94cede14522..ce1e0aabaa64 100644 --- a/arch/powerpc/include/asm/mpc52xx.h +++ b/arch/powerpc/include/asm/mpc52xx.h @@ -350,14 +350,14 @@ extern struct mpc52xx_suspend mpc52xx_suspend; extern int __init mpc52xx_pm_init(void); extern int mpc52xx_set_wakeup_gpio(u8 pin, u8 level); -#ifdef CONFIG_PPC_LITE5200 -extern int __init lite5200_pm_init(void); - /* lite5200 calls mpc5200 suspend functions, so here they are */ extern int mpc52xx_pm_prepare(void); extern int mpc52xx_pm_enter(suspend_state_t); extern void mpc52xx_pm_finish(void); extern char saved_sram[0x4000]; /* reuse buffer from mpc52xx suspend */ + +#ifdef CONFIG_PPC_LITE5200 +int __init lite5200_pm_init(void); #endif #endif /* CONFIG_PM */ diff --git a/arch/powerpc/include/asm/nohash/32/pgalloc.h b/arch/powerpc/include/asm/nohash/32/pgalloc.h index 29d37bd1f3b3..1707781d2f20 100644 --- a/arch/powerpc/include/asm/nohash/32/pgalloc.h +++ b/arch/powerpc/include/asm/nohash/32/pgalloc.h @@ -100,6 +100,7 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage) static inline void pgtable_free(void *table, unsigned index_size) { if (!index_size) { + pgtable_page_dtor(virt_to_page(table)); free_page((unsigned long)table); } else { BUG_ON(index_size > MAX_PGTABLE_INDEX_SIZE); diff --git a/arch/powerpc/include/asm/nohash/32/pgtable.h b/arch/powerpc/include/asm/nohash/32/pgtable.h index 03bbd1149530..987a658b18e1 100644 --- a/arch/powerpc/include/asm/nohash/32/pgtable.h +++ b/arch/powerpc/include/asm/nohash/32/pgtable.h @@ -133,7 +133,7 @@ extern int icache_44x_need_flush; #ifndef __ASSEMBLY__ #define pte_clear(mm, addr, ptep) \ - do { pte_update(ptep, ~_PAGE_HASHPTE, 0); } while (0) + do { pte_update(ptep, ~0, 0); } while (0) #define pmd_none(pmd) (!pmd_val(pmd)) #define pmd_bad(pmd) (pmd_val(pmd) & _PMD_BAD) @@ -146,21 +146,6 @@ static inline void pmd_clear(pmd_t *pmdp) /* - * When flushing the tlb entry for a page, we also need to flush the hash - * table entry. flush_hash_pages is assembler (for speed) in hashtable.S. - */ -extern int flush_hash_pages(unsigned context, unsigned long va, - unsigned long pmdval, int count); - -/* Add an HPTE to the hash table */ -extern void add_hash_page(unsigned context, unsigned long va, - unsigned long pmdval); - -/* Flush an entry from the TLB/hash table */ -extern void flush_hash_entry(struct mm_struct *mm, pte_t *ptep, - unsigned long address); - -/* * PTE updates. This function is called whenever an existing * valid PTE is updated. This does -not- include set_pte_at() * which nowadays only sets a new PTE. @@ -246,12 +231,6 @@ static inline int __ptep_test_and_clear_young(unsigned int context, unsigned lon { unsigned long old; old = pte_update(ptep, _PAGE_ACCESSED, 0); -#if _PAGE_HASHPTE != 0 - if (old & _PAGE_HASHPTE) { - unsigned long ptephys = __pa(ptep) & PAGE_MASK; - flush_hash_pages(context, addr, ptephys, 1); - } -#endif return (old & _PAGE_ACCESSED) != 0; } #define ptep_test_and_clear_young(__vma, __addr, __ptep) \ @@ -261,7 +240,7 @@ static inline int __ptep_test_and_clear_young(unsigned int context, unsigned lon static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { - return __pte(pte_update(ptep, ~_PAGE_HASHPTE, 0)); + return __pte(pte_update(ptep, ~0, 0)); } #define __HAVE_ARCH_PTEP_SET_WRPROTECT @@ -288,8 +267,13 @@ static inline void __ptep_set_access_flags(struct mm_struct *mm, pte_update(ptep, clr, set); } +static inline int pte_young(pte_t pte) +{ + return pte_val(pte) & _PAGE_ACCESSED; +} + #define __HAVE_ARCH_PTE_SAME -#define pte_same(A,B) (((pte_val(A) ^ pte_val(B)) & ~_PAGE_HASHPTE) == 0) +#define pte_same(A,B) ((pte_val(A) ^ pte_val(B)) == 0) /* * Note that on Book E processors, the pmd contains the kernel virtual @@ -330,7 +314,7 @@ static inline void __ptep_set_access_flags(struct mm_struct *mm, /* * Encode and decode a swap entry. * Note that the bits we use in a PTE for representing a swap entry - * must not include the _PAGE_PRESENT bit or the _PAGE_HASHPTE bit (if used). + * must not include the _PAGE_PRESENT bit. * -- paulus */ #define __swp_type(entry) ((entry).val & 0x1f) diff --git a/arch/powerpc/include/asm/nohash/32/pte-40x.h b/arch/powerpc/include/asm/nohash/32/pte-40x.h index 124f9ac23a1e..bb4b3a4b92a0 100644 --- a/arch/powerpc/include/asm/nohash/32/pte-40x.h +++ b/arch/powerpc/include/asm/nohash/32/pte-40x.h @@ -52,12 +52,9 @@ #define _PMD_PRESENT 0x400 /* PMD points to page of PTEs */ #define _PMD_BAD 0x802 -#define _PMD_SIZE 0x0e0 /* size field, != 0 for large-page PMD entry */ #define _PMD_SIZE_4M 0x0c0 #define _PMD_SIZE_16M 0x0e0 -#define PMD_PAGE_SIZE(pmdval) (1024 << (((pmdval) & _PMD_SIZE) >> 4)) - /* Until my rework is finished, 40x still needs atomic PTE updates */ #define PTE_ATOMIC_UPDATES 1 diff --git a/arch/powerpc/include/asm/nohash/64/pgalloc.h b/arch/powerpc/include/asm/nohash/64/pgalloc.h index 9721c7867b9c..0e693f322cb2 100644 --- a/arch/powerpc/include/asm/nohash/64/pgalloc.h +++ b/arch/powerpc/include/asm/nohash/64/pgalloc.h @@ -52,8 +52,6 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) kmem_cache_free(PGT_CACHE(PGD_INDEX_SIZE), pgd); } -#ifndef CONFIG_PPC_64K_PAGES - #define pgd_populate(MM, PGD, PUD) pgd_set(PGD, (unsigned long)PUD) static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) @@ -86,6 +84,18 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, #define pmd_pgtable(pmd) pmd_page(pmd) +static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) +{ + return kmem_cache_alloc(PGT_CACHE(PMD_CACHE_INDEX), + pgtable_gfp_flags(mm, GFP_KERNEL)); +} + +static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) +{ + kmem_cache_free(PGT_CACHE(PMD_CACHE_INDEX), pmd); +} + + static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address) { @@ -120,84 +130,47 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage) __free_page(ptepage); } -extern void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift); -#ifdef CONFIG_SMP -extern void __tlb_remove_table(void *_table); -#endif -static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table, - unsigned long address) +static inline void pgtable_free(void *table, int shift) { - tlb_flush_pgtable(tlb, address); - pgtable_free_tlb(tlb, page_address(table), 0); + if (!shift) { + pgtable_page_dtor(virt_to_page(table)); + free_page((unsigned long)table); + } else { + BUG_ON(shift > MAX_PGTABLE_INDEX_SIZE); + kmem_cache_free(PGT_CACHE(shift), table); + } } -#else /* if CONFIG_PPC_64K_PAGES */ - -extern pte_t *pte_fragment_alloc(struct mm_struct *, unsigned long, int); -extern void pte_fragment_free(unsigned long *, int); -extern void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift); #ifdef CONFIG_SMP -extern void __tlb_remove_table(void *_table); -#endif - -#define pud_populate(mm, pud, pmd) pud_set(pud, (unsigned long)pmd) - -static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, - pte_t *pte) +static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift) { - pmd_set(pmd, (unsigned long)pte); -} + unsigned long pgf = (unsigned long)table; -static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd, - pgtable_t pte_page) -{ - pmd_set(pmd, (unsigned long)pte_page); + BUG_ON(shift > MAX_PGTABLE_INDEX_SIZE); + pgf |= shift; + tlb_remove_table(tlb, (void *)pgf); } -static inline pgtable_t pmd_pgtable(pmd_t pmd) +static inline void __tlb_remove_table(void *_table) { - return (pgtable_t)(pmd_val(pmd) & ~PMD_MASKED_BITS); -} + void *table = (void *)((unsigned long)_table & ~MAX_PGTABLE_INDEX_SIZE); + unsigned shift = (unsigned long)_table & MAX_PGTABLE_INDEX_SIZE; -static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, - unsigned long address) -{ - return (pte_t *)pte_fragment_alloc(mm, address, 1); + pgtable_free(table, shift); } -static inline pgtable_t pte_alloc_one(struct mm_struct *mm, - unsigned long address) -{ - return (pgtable_t)pte_fragment_alloc(mm, address, 0); -} - -static inline void pte_free_kernel(struct mm_struct *mm, pte_t *pte) -{ - pte_fragment_free((unsigned long *)pte, 1); -} - -static inline void pte_free(struct mm_struct *mm, pgtable_t ptepage) +#else +static inline void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift) { - pte_fragment_free((unsigned long *)ptepage, 0); + pgtable_free(table, shift); } +#endif static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table, unsigned long address) { tlb_flush_pgtable(tlb, address); - pgtable_free_tlb(tlb, table, 0); -} -#endif /* CONFIG_PPC_64K_PAGES */ - -static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) -{ - return kmem_cache_alloc(PGT_CACHE(PMD_CACHE_INDEX), - pgtable_gfp_flags(mm, GFP_KERNEL)); -} - -static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) -{ - kmem_cache_free(PGT_CACHE(PMD_CACHE_INDEX), pmd); + pgtable_free_tlb(tlb, page_address(table), 0); } #define __pmd_free_tlb(tlb, pmd, addr) \ diff --git a/arch/powerpc/include/asm/nohash/64/pgtable-64k.h b/arch/powerpc/include/asm/nohash/64/pgtable-64k.h deleted file mode 100644 index 7210c2818e41..000000000000 --- a/arch/powerpc/include/asm/nohash/64/pgtable-64k.h +++ /dev/null @@ -1,57 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ASM_POWERPC_NOHASH_64_PGTABLE_64K_H -#define _ASM_POWERPC_NOHASH_64_PGTABLE_64K_H - -#define __ARCH_USE_5LEVEL_HACK -#include <asm-generic/pgtable-nopud.h> - - -#define PTE_INDEX_SIZE 8 -#define PMD_INDEX_SIZE 10 -#define PUD_INDEX_SIZE 0 -#define PGD_INDEX_SIZE 12 - -/* - * we support 32 fragments per PTE page of 64K size - */ -#define PTE_FRAG_NR 32 -/* - * We use a 2K PTE page fragment and another 2K for storing - * real_pte_t hash index - */ -#define PTE_FRAG_SIZE_SHIFT 11 -#define PTE_FRAG_SIZE (1UL << PTE_FRAG_SIZE_SHIFT) - -#ifndef __ASSEMBLY__ -#define PTE_TABLE_SIZE PTE_FRAG_SIZE -#define PMD_TABLE_SIZE (sizeof(pmd_t) << PMD_INDEX_SIZE) -#define PUD_TABLE_SIZE (0) -#define PGD_TABLE_SIZE (sizeof(pgd_t) << PGD_INDEX_SIZE) -#endif /* __ASSEMBLY__ */ - -#define PTRS_PER_PTE (1 << PTE_INDEX_SIZE) -#define PTRS_PER_PMD (1 << PMD_INDEX_SIZE) -#define PTRS_PER_PGD (1 << PGD_INDEX_SIZE) - -/* PMD_SHIFT determines what a second-level page table entry can map */ -#define PMD_SHIFT (PAGE_SHIFT + PTE_INDEX_SIZE) -#define PMD_SIZE (1UL << PMD_SHIFT) -#define PMD_MASK (~(PMD_SIZE-1)) - -/* PGDIR_SHIFT determines what a third-level page table entry can map */ -#define PGDIR_SHIFT (PMD_SHIFT + PMD_INDEX_SIZE) -#define PGDIR_SIZE (1UL << PGDIR_SHIFT) -#define PGDIR_MASK (~(PGDIR_SIZE-1)) - -/* - * Bits to mask out from a PMD to get to the PTE page - * PMDs point to PTE table fragments which are PTE_FRAG_SIZE aligned. - */ -#define PMD_MASKED_BITS (PTE_FRAG_SIZE - 1) -/* Bits to mask out from a PGD/PUD to get to the PMD page */ -#define PUD_MASKED_BITS 0x1ff - -#define pgd_pte(pgd) (pud_pte(((pud_t){ pgd }))) -#define pte_pgd(pte) ((pgd_t)pte_pud(pte)) - -#endif /* _ASM_POWERPC_NOHASH_64_PGTABLE_64K_H */ diff --git a/arch/powerpc/include/asm/nohash/64/pgtable.h b/arch/powerpc/include/asm/nohash/64/pgtable.h index 5c5f75d005ad..de78eda5f841 100644 --- a/arch/powerpc/include/asm/nohash/64/pgtable.h +++ b/arch/powerpc/include/asm/nohash/64/pgtable.h @@ -6,13 +6,13 @@ * the ppc64 hashed page table. */ -#ifdef CONFIG_PPC_64K_PAGES -#include <asm/nohash/64/pgtable-64k.h> -#else #include <asm/nohash/64/pgtable-4k.h> -#endif #include <asm/barrier.h> +#ifdef CONFIG_PPC_64K_PAGES +#error "Page size not supported" +#endif + #define FIRST_USER_ADDRESS 0UL /* @@ -173,8 +173,6 @@ static inline void pgd_set(pgd_t *pgdp, unsigned long val) /* to find an entry in a kernel page-table-directory */ /* This now only contains the vmalloc pages */ #define pgd_offset_k(address) pgd_offset(&init_mm, address) -extern void hpte_need_flush(struct mm_struct *mm, unsigned long addr, - pte_t *ptep, unsigned long pte, int huge); /* Atomic PTE updates */ static inline unsigned long pte_update(struct mm_struct *mm, @@ -188,14 +186,12 @@ static inline unsigned long pte_update(struct mm_struct *mm, __asm__ __volatile__( "1: ldarx %0,0,%3 # pte_update\n\ - andi. %1,%0,%6\n\ - bne- 1b \n\ andc %1,%0,%4 \n\ - or %1,%1,%7\n\ + or %1,%1,%6\n\ stdcx. %1,0,%3 \n\ bne- 1b" : "=&r" (old), "=&r" (tmp), "=m" (*ptep) - : "r" (ptep), "r" (clr), "m" (*ptep), "i" (_PAGE_BUSY), "r" (set) + : "r" (ptep), "r" (clr), "m" (*ptep), "r" (set) : "cc" ); #else unsigned long old = pte_val(*ptep); @@ -205,20 +201,20 @@ static inline unsigned long pte_update(struct mm_struct *mm, if (!huge) assert_pte_locked(mm, addr); -#ifdef CONFIG_PPC_BOOK3S_64 - if (old & _PAGE_HASHPTE) - hpte_need_flush(mm, addr, ptep, old, huge); -#endif - return old; } +static inline int pte_young(pte_t pte) +{ + return pte_val(pte) & _PAGE_ACCESSED; +} + static inline int __ptep_test_and_clear_young(struct mm_struct *mm, unsigned long addr, pte_t *ptep) { unsigned long old; - if ((pte_val(*ptep) & (_PAGE_ACCESSED | _PAGE_HASHPTE)) == 0) + if (pte_young(*ptep)) return 0; old = pte_update(mm, addr, ptep, _PAGE_ACCESSED, 0, 0); return (old & _PAGE_ACCESSED) != 0; @@ -297,13 +293,11 @@ static inline void __ptep_set_access_flags(struct mm_struct *mm, __asm__ __volatile__( "1: ldarx %0,0,%4\n\ - andi. %1,%0,%6\n\ - bne- 1b \n\ or %0,%3,%0\n\ stdcx. %0,0,%4\n\ bne- 1b" :"=&r" (old), "=&r" (tmp), "=m" (*ptep) - :"r" (bits), "r" (ptep), "m" (*ptep), "i" (_PAGE_BUSY) + :"r" (bits), "r" (ptep), "m" (*ptep) :"cc"); #else unsigned long old = pte_val(*ptep); @@ -312,7 +306,7 @@ static inline void __ptep_set_access_flags(struct mm_struct *mm, } #define __HAVE_ARCH_PTE_SAME -#define pte_same(A,B) (((pte_val(A) ^ pte_val(B)) & ~_PAGE_HPTEFLAGS) == 0) +#define pte_same(A,B) ((pte_val(A) ^ pte_val(B)) == 0) #define pte_ERROR(e) \ pr_err("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, pte_val(e)) @@ -324,11 +318,6 @@ static inline void __ptep_set_access_flags(struct mm_struct *mm, /* Encode and de-code a swap entry */ #define MAX_SWAPFILES_CHECK() do { \ BUILD_BUG_ON(MAX_SWAPFILES_SHIFT > SWP_TYPE_BITS); \ - /* \ - * Don't have overlapping bits with _PAGE_HPTEFLAGS \ - * We filter HPTEFLAGS on set_pte. \ - */ \ - BUILD_BUG_ON(_PAGE_HPTEFLAGS & (0x1f << _PAGE_BIT_SWAP_TYPE)); \ } while (0) /* * on pte we don't need handle RADIX_TREE_EXCEPTIONAL_SHIFT; diff --git a/arch/powerpc/include/asm/nohash/pgtable.h b/arch/powerpc/include/asm/nohash/pgtable.h index c56de1e8026f..2160be2e4339 100644 --- a/arch/powerpc/include/asm/nohash/pgtable.h +++ b/arch/powerpc/include/asm/nohash/pgtable.h @@ -17,7 +17,6 @@ static inline int pte_write(pte_t pte) } static inline int pte_read(pte_t pte) { return 1; } static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; } -static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; } static inline int pte_special(pte_t pte) { return pte_val(pte) & _PAGE_SPECIAL; } static inline int pte_none(pte_t pte) { return (pte_val(pte) & ~_PTE_NONE_MASK) == 0; } static inline pgprot_t pte_pgprot(pte_t pte) { return __pgprot(pte_val(pte) & PAGE_PROT_BITS); } @@ -148,70 +147,33 @@ extern void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep, static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte, int percpu) { -#if defined(CONFIG_PPC_STD_MMU_32) && defined(CONFIG_SMP) && !defined(CONFIG_PTE_64BIT) - /* First case is 32-bit Hash MMU in SMP mode with 32-bit PTEs. We use the - * helper pte_update() which does an atomic update. We need to do that - * because a concurrent invalidation can clear _PAGE_HASHPTE. If it's a - * per-CPU PTE such as a kmap_atomic, we do a simple update preserving - * the hash bits instead (ie, same as the non-SMP case) - */ - if (percpu) - *ptep = __pte((pte_val(*ptep) & _PAGE_HASHPTE) - | (pte_val(pte) & ~_PAGE_HASHPTE)); - else - pte_update(ptep, ~_PAGE_HASHPTE, pte_val(pte)); - -#elif defined(CONFIG_PPC32) && defined(CONFIG_PTE_64BIT) /* Second case is 32-bit with 64-bit PTE. In this case, we * can just store as long as we do the two halves in the right order - * with a barrier in between. This is possible because we take care, - * in the hash code, to pre-invalidate if the PTE was already hashed, - * which synchronizes us with any concurrent invalidation. - * In the percpu case, we also fallback to the simple update preserving - * the hash bits + * with a barrier in between. + * In the percpu case, we also fallback to the simple update */ - if (percpu) { - *ptep = __pte((pte_val(*ptep) & _PAGE_HASHPTE) - | (pte_val(pte) & ~_PAGE_HASHPTE)); + if (IS_ENABLED(CONFIG_PPC32) && IS_ENABLED(CONFIG_PTE_64BIT) && !percpu) { + __asm__ __volatile__("\ + stw%U0%X0 %2,%0\n\ + eieio\n\ + stw%U0%X0 %L2,%1" + : "=m" (*ptep), "=m" (*((unsigned char *)ptep+4)) + : "r" (pte) : "memory"); return; } -#if _PAGE_HASHPTE != 0 - if (pte_val(*ptep) & _PAGE_HASHPTE) - flush_hash_entry(mm, ptep, addr); -#endif - __asm__ __volatile__("\ - stw%U0%X0 %2,%0\n\ - eieio\n\ - stw%U0%X0 %L2,%1" - : "=m" (*ptep), "=m" (*((unsigned char *)ptep+4)) - : "r" (pte) : "memory"); - -#elif defined(CONFIG_PPC_STD_MMU_32) - /* Third case is 32-bit hash table in UP mode, we need to preserve - * the _PAGE_HASHPTE bit since we may not have invalidated the previous - * translation in the hash yet (done in a subsequent flush_tlb_xxx()) - * and see we need to keep track that this PTE needs invalidating - */ - *ptep = __pte((pte_val(*ptep) & _PAGE_HASHPTE) - | (pte_val(pte) & ~_PAGE_HASHPTE)); - -#else /* Anything else just stores the PTE normally. That covers all 64-bit * cases, and 32-bit non-hash with 32-bit PTEs. */ *ptep = pte; -#ifdef CONFIG_PPC_BOOK3E_64 /* * With hardware tablewalk, a sync is needed to ensure that * subsequent accesses see the PTE we just wrote. Unlike userspace * mappings, we can't tolerate spurious faults, so make sure * the new PTE will be seen the first time. */ - if (is_kernel_addr(addr)) + if (IS_ENABLED(CONFIG_PPC_BOOK3E_64) && is_kernel_addr(addr)) mb(); -#endif -#endif } diff --git a/arch/powerpc/include/asm/nohash/pte-book3e.h b/arch/powerpc/include/asm/nohash/pte-book3e.h index ccee8eb509bb..12730b81cd98 100644 --- a/arch/powerpc/include/asm/nohash/pte-book3e.h +++ b/arch/powerpc/include/asm/nohash/pte-book3e.h @@ -57,14 +57,8 @@ #define _PAGE_USER (_PAGE_BAP_UR | _PAGE_BAP_SR) /* Can be read */ #define _PAGE_PRIVILEGED (_PAGE_BAP_SR) -#define _PAGE_HASHPTE 0 -#define _PAGE_BUSY 0 - #define _PAGE_SPECIAL _PAGE_SW0 -/* Flags to be preserved on PTE modifications */ -#define _PAGE_HPTEFLAGS _PAGE_BUSY - /* Base page size */ #ifdef CONFIG_PPC_64K_PAGES #define _PAGE_PSIZE _PAGE_PSIZE_64K diff --git a/arch/powerpc/include/asm/opal-api.h b/arch/powerpc/include/asm/opal-api.h index d886a5b7ff21..f34d173a2ebf 100644 --- a/arch/powerpc/include/asm/opal-api.h +++ b/arch/powerpc/include/asm/opal-api.h @@ -204,6 +204,7 @@ #define OPAL_NPU_SPA_SETUP 159 #define OPAL_NPU_SPA_CLEAR_CACHE 160 #define OPAL_NPU_TL_SET 161 +#define OPAL_SENSOR_READ_U64 162 #define OPAL_PCI_GET_PBCQ_TUNNEL_BAR 164 #define OPAL_PCI_SET_PBCQ_TUNNEL_BAR 165 #define OPAL_LAST 165 diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h index 03e1a920491e..3960def0e39c 100644 --- a/arch/powerpc/include/asm/opal.h +++ b/arch/powerpc/include/asm/opal.h @@ -201,6 +201,7 @@ int64_t opal_get_param(uint64_t token, uint32_t param_id, uint64_t buffer, int64_t opal_set_param(uint64_t token, uint32_t param_id, uint64_t buffer, uint64_t length); int64_t opal_sensor_read(uint32_t sensor_hndl, int token, __be32 *sensor_data); +int64_t opal_sensor_read_u64(u32 sensor_hndl, int token, __be64 *sensor_data); int64_t opal_handle_hmi(void); int64_t opal_register_dump_region(uint32_t id, uint64_t start, uint64_t end); int64_t opal_unregister_dump_region(uint32_t id); @@ -323,6 +324,7 @@ extern int opal_async_wait_response(uint64_t token, struct opal_msg *msg); extern int opal_async_wait_response_interruptible(uint64_t token, struct opal_msg *msg); extern int opal_get_sensor_data(u32 sensor_hndl, u32 *sensor_data); +extern int opal_get_sensor_data_u64(u32 sensor_hndl, u64 *sensor_data); struct rtc_time; extern unsigned long opal_get_boot_time(void); diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h index 3f109a3e3edb..81471bd08f66 100644 --- a/arch/powerpc/include/asm/paca.h +++ b/arch/powerpc/include/asm/paca.h @@ -222,6 +222,7 @@ struct paca_struct { u8 hmi_event_available; /* HMI event is available */ u8 hmi_p9_special_emu; /* HMI P9 special emulation */ #endif + u8 ftrace_enabled; /* Hard disable ftrace */ /* Stuff for accurate time accounting */ struct cpu_accounting_data accounting; diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h index dec9ce5ba8af..db7be0779d55 100644 --- a/arch/powerpc/include/asm/page.h +++ b/arch/powerpc/include/asm/page.h @@ -39,6 +39,7 @@ #ifndef __ASSEMBLY__ #ifdef CONFIG_HUGETLB_PAGE +extern bool hugetlb_disabled; extern unsigned int HPAGE_SHIFT; #else #define HPAGE_SHIFT PAGE_SHIFT diff --git a/arch/powerpc/include/asm/pmac_pfunc.h b/arch/powerpc/include/asm/pmac_pfunc.h index 73bd8f28f2a8..cee4e9f5b8cf 100644 --- a/arch/powerpc/include/asm/pmac_pfunc.h +++ b/arch/powerpc/include/asm/pmac_pfunc.h @@ -245,6 +245,7 @@ extern void pmf_put_function(struct pmf_function *func); extern int pmf_call_one(struct pmf_function *func, struct pmf_args *args); +int pmac_pfunc_base_install(void); /* Suspend/resume code called by via-pmu directly for now */ extern void pmac_pfunc_base_suspend(void); diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h index 18883b8a6dac..4436887bc415 100644 --- a/arch/powerpc/include/asm/ppc-opcode.h +++ b/arch/powerpc/include/asm/ppc-opcode.h @@ -162,6 +162,7 @@ /* VMX Vector Store Instructions */ #define OP_31_XOP_STVX 231 +#define OP_31 31 #define OP_LWZ 32 #define OP_STFS 52 #define OP_STFSU 53 diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h index 13f7f4c0e1ea..75ece56dcd62 100644 --- a/arch/powerpc/include/asm/ppc_asm.h +++ b/arch/powerpc/include/asm/ppc_asm.h @@ -80,10 +80,8 @@ END_FW_FTR_SECTION_IFSET(FW_FEATURE_SPLPAR) #else #define SAVE_GPR(n, base) stw n,GPR0+4*(n)(base) #define REST_GPR(n, base) lwz n,GPR0+4*(n)(base) -#define SAVE_NVGPRS(base) SAVE_GPR(13, base); SAVE_8GPRS(14, base); \ - SAVE_10GPRS(22, base) -#define REST_NVGPRS(base) REST_GPR(13, base); REST_8GPRS(14, base); \ - REST_10GPRS(22, base) +#define SAVE_NVGPRS(base) stmw 13, GPR0+4*13(base) +#define REST_NVGPRS(base) lmw 13, GPR0+4*13(base) #endif #define SAVE_2GPRS(n, base) SAVE_GPR(n, base); SAVE_GPR(n+1, base) diff --git a/arch/powerpc/include/asm/pte-common.h b/arch/powerpc/include/asm/pte-common.h index c4a72c7a8c83..050b0d775324 100644 --- a/arch/powerpc/include/asm/pte-common.h +++ b/arch/powerpc/include/asm/pte-common.h @@ -60,10 +60,6 @@ #ifndef _PMD_PRESENT_MASK #define _PMD_PRESENT_MASK _PMD_PRESENT #endif -#ifndef _PMD_SIZE -#define _PMD_SIZE 0 -#define PMD_PAGE_SIZE(pmd) bad_call_to_PMD_PAGE_SIZE() -#endif #ifndef _PMD_USER #define _PMD_USER 0 #endif @@ -88,11 +84,7 @@ #define _PTE_NONE_MASK _PAGE_HPTEFLAGS #endif -/* Make sure we get a link error if PMD_PAGE_SIZE is ever called on a - * kernel without large page PMD support - */ #ifndef __ASSEMBLY__ -extern unsigned long bad_call_to_PMD_PAGE_SIZE(void); /* * Don't just check for any non zero bits in __PAGE_USER, since for book3e diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h index cb0f272ce123..75c5b2cd9d66 100644 --- a/arch/powerpc/include/asm/reg.h +++ b/arch/powerpc/include/asm/reg.h @@ -146,6 +146,12 @@ #define MSR_64BIT 0 #endif +/* Condition Register related */ +#define CR0_SHIFT 28 +#define CR0_MASK 0xF +#define CR0_TBEGIN_FAILURE (0x2 << 28) /* 0b0010 */ + + /* Power Management - Processor Stop Status and Control Register Fields */ #define PSSCR_RL_MASK 0x0000000F /* Requested Level */ #define PSSCR_MTL_MASK 0x000000F0 /* Maximum Transition Level */ @@ -239,13 +245,27 @@ #define SPRN_TFIAR 0x81 /* Transaction Failure Inst Addr */ #define SPRN_TEXASR 0x82 /* Transaction EXception & Summary */ #define SPRN_TEXASRU 0x83 /* '' '' '' Upper 32 */ -#define TEXASR_ABORT __MASK(63-31) /* terminated by tabort or treclaim */ -#define TEXASR_SUSP __MASK(63-32) /* tx failed in suspended state */ -#define TEXASR_HV __MASK(63-34) /* MSR[HV] when failure occurred */ -#define TEXASR_PR __MASK(63-35) /* MSR[PR] when failure occurred */ -#define TEXASR_FS __MASK(63-36) /* TEXASR Failure Summary */ -#define TEXASR_EXACT __MASK(63-37) /* TFIAR value is exact */ + +#define TEXASR_FC_LG (63 - 7) /* Failure Code */ +#define TEXASR_AB_LG (63 - 31) /* Abort */ +#define TEXASR_SU_LG (63 - 32) /* Suspend */ +#define TEXASR_HV_LG (63 - 34) /* Hypervisor state*/ +#define TEXASR_PR_LG (63 - 35) /* Privilege level */ +#define TEXASR_FS_LG (63 - 36) /* failure summary */ +#define TEXASR_EX_LG (63 - 37) /* TFIAR exact bit */ +#define TEXASR_ROT_LG (63 - 38) /* ROT bit */ + +#define TEXASR_ABORT __MASK(TEXASR_AB_LG) /* terminated by tabort or treclaim */ +#define TEXASR_SUSP __MASK(TEXASR_SU_LG) /* tx failed in suspended state */ +#define TEXASR_HV __MASK(TEXASR_HV_LG) /* MSR[HV] when failure occurred */ +#define TEXASR_PR __MASK(TEXASR_PR_LG) /* MSR[PR] when failure occurred */ +#define TEXASR_FS __MASK(TEXASR_FS_LG) /* TEXASR Failure Summary */ +#define TEXASR_EXACT __MASK(TEXASR_EX_LG) /* TFIAR value is exact */ +#define TEXASR_ROT __MASK(TEXASR_ROT_LG) +#define TEXASR_FC (ASM_CONST(0xFF) << TEXASR_FC_LG) + #define SPRN_TFHAR 0x80 /* Transaction Failure Handler Addr */ + #define SPRN_TIDR 144 /* Thread ID register */ #define SPRN_CTRLF 0x088 #define SPRN_CTRLT 0x098 diff --git a/arch/powerpc/include/asm/rheap.h b/arch/powerpc/include/asm/rheap.h index 172381769cfc..8e83703d6736 100644 --- a/arch/powerpc/include/asm/rheap.h +++ b/arch/powerpc/include/asm/rheap.h @@ -83,6 +83,9 @@ extern int rh_get_stats(rh_info_t * info, int what, int max_stats, /* Simple dump of remote heap info */ extern void rh_dump(rh_info_t * info); +/* Simple dump of remote info block */ +void rh_dump_blk(rh_info_t *info, rh_block_t *blk); + /* Set owner of taken block */ extern int rh_set_owner(rh_info_t * info, unsigned long start, const char *owner); diff --git a/arch/powerpc/include/asm/syscalls.h b/arch/powerpc/include/asm/syscalls.h index 1b90a3516a35..398171fdcd9f 100644 --- a/arch/powerpc/include/asm/syscalls.h +++ b/arch/powerpc/include/asm/syscalls.h @@ -16,7 +16,7 @@ asmlinkage long sys_mmap2(unsigned long addr, size_t len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long pgoff); asmlinkage long ppc64_personality(unsigned long personality); -asmlinkage int ppc_rtas(struct rtas_args __user *uargs); +asmlinkage long sys_rtas(struct rtas_args __user *uargs); #endif /* __KERNEL__ */ #endif /* __ASM_POWERPC_SYSCALLS_H */ diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h index d61f9c96d916..79a3b47e4839 100644 --- a/arch/powerpc/include/asm/systbl.h +++ b/arch/powerpc/include/asm/systbl.h @@ -147,7 +147,7 @@ SYSCALL_SPU(setfsuid) SYSCALL_SPU(setfsgid) SYSCALL_SPU(llseek) COMPAT_SYS_SPU(getdents) -SYSX_SPU(sys_select,ppc32_select,sys_select) +COMPAT_SPU_NEW(select) SYSCALL_SPU(flock) SYSCALL_SPU(msync) COMPAT_SYS_SPU(readv) @@ -245,7 +245,7 @@ SYSCALL_SPU(epoll_create) SYSCALL_SPU(epoll_ctl) SYSCALL_SPU(epoll_wait) SYSCALL_SPU(remap_file_pages) -SYSX_SPU(sys_timer_create,compat_sys_timer_create,sys_timer_create) +COMPAT_SYS_SPU(timer_create) COMPAT_SYS_SPU(timer_settime) COMPAT_SYS_SPU(timer_gettime) SYSCALL_SPU(timer_getoverrun) @@ -260,7 +260,7 @@ COMPAT_SYS_SPU(utimes) COMPAT_SYS_SPU(statfs64) COMPAT_SYS_SPU(fstatfs64) SYSX(sys_ni_syscall,ppc_fadvise64_64,ppc_fadvise64_64) -PPC_SYS_SPU(rtas) +SYSCALL_SPU(rtas) OLDSYS(debug_setcontext) SYSCALL(ni_syscall) COMPAT_SYS(migrate_pages) diff --git a/arch/powerpc/include/asm/tm.h b/arch/powerpc/include/asm/tm.h index b1658c97047c..e94f6db5e367 100644 --- a/arch/powerpc/include/asm/tm.h +++ b/arch/powerpc/include/asm/tm.h @@ -10,12 +10,10 @@ #ifndef __ASSEMBLY__ -extern void tm_enable(void); extern void tm_reclaim(struct thread_struct *thread, uint8_t cause); extern void tm_reclaim_current(uint8_t cause); extern void tm_recheckpoint(struct thread_struct *thread); -extern void tm_abort(uint8_t cause); extern void tm_save_sprs(struct thread_struct *thread); extern void tm_restore_sprs(struct thread_struct *thread); diff --git a/arch/powerpc/include/asm/trace.h b/arch/powerpc/include/asm/trace.h index 33f3b479138b..d018e8602694 100644 --- a/arch/powerpc/include/asm/trace.h +++ b/arch/powerpc/include/asm/trace.h @@ -81,8 +81,7 @@ TRACE_EVENT_FN_COND(hcall_entry, TRACE_EVENT_FN_COND(hcall_exit, - TP_PROTO(unsigned long opcode, unsigned long retval, - unsigned long *retbuf), + TP_PROTO(unsigned long opcode, long retval, unsigned long *retbuf), TP_ARGS(opcode, retval, retbuf), @@ -90,7 +89,7 @@ TRACE_EVENT_FN_COND(hcall_exit, TP_STRUCT__entry( __field(unsigned long, opcode) - __field(unsigned long, retval) + __field(long, retval) ), TP_fast_assign( @@ -98,7 +97,7 @@ TRACE_EVENT_FN_COND(hcall_exit, __entry->retval = retval; ), - TP_printk("opcode=%lu retval=%lu", __entry->opcode, __entry->retval), + TP_printk("opcode=%lu retval=%ld", __entry->opcode, __entry->retval), hcall_tracepoint_regfunc, hcall_tracepoint_unregfunc ); diff --git a/arch/powerpc/include/asm/xmon.h b/arch/powerpc/include/asm/xmon.h index eb42a0c6e1d9..30ff69bd8f43 100644 --- a/arch/powerpc/include/asm/xmon.h +++ b/arch/powerpc/include/asm/xmon.h @@ -29,7 +29,7 @@ static inline void xmon_register_spus(struct list_head *list) { }; extern int cpus_are_in_xmon(void); #endif -extern void xmon_printf(const char *format, ...); +extern __printf(1, 2) void xmon_printf(const char *format, ...); #endif /* __KERNEL __ */ #endif /* __ASM_POWERPC_XMON_H */ diff --git a/arch/powerpc/include/asm/xor.h b/arch/powerpc/include/asm/xor.h index a36c2069d8ed..7d6dc503349d 100644 --- a/arch/powerpc/include/asm/xor.h +++ b/arch/powerpc/include/asm/xor.h @@ -24,17 +24,7 @@ #include <asm/cputable.h> #include <asm/cpu_has_feature.h> - -void xor_altivec_2(unsigned long bytes, unsigned long *v1_in, - unsigned long *v2_in); -void xor_altivec_3(unsigned long bytes, unsigned long *v1_in, - unsigned long *v2_in, unsigned long *v3_in); -void xor_altivec_4(unsigned long bytes, unsigned long *v1_in, - unsigned long *v2_in, unsigned long *v3_in, - unsigned long *v4_in); -void xor_altivec_5(unsigned long bytes, unsigned long *v1_in, - unsigned long *v2_in, unsigned long *v3_in, - unsigned long *v4_in, unsigned long *v5_in); +#include <asm/xor_altivec.h> static struct xor_block_template xor_block_altivec = { .name = "altivec", diff --git a/arch/powerpc/include/asm/xor_altivec.h b/arch/powerpc/include/asm/xor_altivec.h new file mode 100644 index 000000000000..6ca923510b59 --- /dev/null +++ b/arch/powerpc/include/asm/xor_altivec.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_POWERPC_XOR_ALTIVEC_H +#define _ASM_POWERPC_XOR_ALTIVEC_H + +#ifdef CONFIG_ALTIVEC + +void xor_altivec_2(unsigned long bytes, unsigned long *v1_in, + unsigned long *v2_in); +void xor_altivec_3(unsigned long bytes, unsigned long *v1_in, + unsigned long *v2_in, unsigned long *v3_in); +void xor_altivec_4(unsigned long bytes, unsigned long *v1_in, + unsigned long *v2_in, unsigned long *v3_in, + unsigned long *v4_in); +void xor_altivec_5(unsigned long bytes, unsigned long *v1_in, + unsigned long *v2_in, unsigned long *v3_in, + unsigned long *v4_in, unsigned long *v5_in); + +#endif +#endif /* _ASM_POWERPC_XOR_ALTIVEC_H */ diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index 6bee65f3cfd3..262c44a90ea1 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -180,6 +180,7 @@ int main(void) OFFSET(PACAKMSR, paca_struct, kernel_msr); OFFSET(PACAIRQSOFTMASK, paca_struct, irq_soft_mask); OFFSET(PACAIRQHAPPENED, paca_struct, irq_happened); + OFFSET(PACA_FTRACE_ENABLED, paca_struct, ftrace_enabled); #ifdef CONFIG_PPC_BOOK3S OFFSET(PACACONTEXTID, paca_struct, mm_ctx_id); #ifdef CONFIG_PPC_MM_SLICES diff --git a/arch/powerpc/kernel/btext.c b/arch/powerpc/kernel/btext.c index 6537cba1a758..b2072d5bbf2b 100644 --- a/arch/powerpc/kernel/btext.c +++ b/arch/powerpc/kernel/btext.c @@ -157,20 +157,20 @@ void btext_map(void) /* By default, we are no longer mapped */ boot_text_mapped = 0; - if (dispDeviceBase == 0) + if (!dispDeviceBase) return; base = ((unsigned long) dispDeviceBase) & 0xFFFFF000UL; offset = ((unsigned long) dispDeviceBase) - base; size = dispDeviceRowBytes * dispDeviceRect[3] + offset + dispDeviceRect[0]; vbase = __ioremap(base, size, pgprot_val(pgprot_noncached_wc(__pgprot(0)))); - if (vbase == 0) + if (!vbase) return; logicalDisplayBase = vbase + offset; boot_text_mapped = 1; } -int btext_initialize(struct device_node *np) +static int btext_initialize(struct device_node *np) { unsigned int width, height, depth, pitch; unsigned long address = 0; @@ -270,7 +270,7 @@ static unsigned char * calc_base(int x, int y) unsigned char *base; base = logicalDisplayBase; - if (base == 0) + if (!base) base = dispDeviceBase; base += (x + dispDeviceRect[0]) * (dispDeviceDepth >> 3); base += (y + dispDeviceRect[1]) * dispDeviceRowBytes; @@ -281,7 +281,7 @@ static unsigned char * calc_base(int x, int y) void btext_update_display(unsigned long phys, int width, int height, int depth, int pitch) { - if (dispDeviceBase == 0) + if (!dispDeviceBase) return; /* check it's the same frame buffer (within 256MB) */ diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c index 3c2c2688918f..07e8396d472b 100644 --- a/arch/powerpc/kernel/fadump.c +++ b/arch/powerpc/kernel/fadump.c @@ -335,6 +335,26 @@ static unsigned long get_fadump_area_size(void) return size; } +static void __init fadump_reserve_crash_area(unsigned long base, + unsigned long size) +{ + struct memblock_region *reg; + unsigned long mstart, mend, msize; + + for_each_memblock(memory, reg) { + mstart = max_t(unsigned long, base, reg->base); + mend = reg->base + reg->size; + mend = min(base + size, mend); + + if (mstart < mend) { + msize = mend - mstart; + memblock_reserve(mstart, msize); + pr_info("Reserved %ldMB of memory at %#016lx for saving crash dump\n", + (msize >> 20), mstart); + } + } +} + int __init fadump_reserve_mem(void) { unsigned long base, size, memory_boundary; @@ -380,7 +400,16 @@ int __init fadump_reserve_mem(void) memory_boundary = memblock_end_of_DRAM(); if (fw_dump.dump_active) { - printk(KERN_INFO "Firmware-assisted dump is active.\n"); + pr_info("Firmware-assisted dump is active.\n"); + +#ifdef CONFIG_HUGETLB_PAGE + /* + * FADump capture kernel doesn't care much about hugepages. + * In fact, handling hugepages in capture kernel is asking for + * trouble. So, disable HugeTLB support when fadump is active. + */ + hugetlb_disabled = true; +#endif /* * If last boot has crashed then reserve all the memory * above boot_memory_size so that we don't touch it until @@ -389,11 +418,7 @@ int __init fadump_reserve_mem(void) */ base = fw_dump.boot_memory_size; size = memory_boundary - base; - memblock_reserve(base, size); - printk(KERN_INFO "Reserved %ldMB of memory at %ldMB " - "for saving crash dump\n", - (unsigned long)(size >> 20), - (unsigned long)(base >> 20)); + fadump_reserve_crash_area(base, size); fw_dump.fadumphdr_addr = be64_to_cpu(fdm_active->rmr_region.destination_address) + @@ -1155,6 +1180,9 @@ void fadump_cleanup(void) init_fadump_mem_struct(&fdm, be64_to_cpu(fdm_active->cpu_state_data.destination_address)); fadump_invalidate_dump(&fdm); + } else if (fw_dump.dump_registered) { + /* Un-register Firmware-assisted dump if it was registered. */ + fadump_unregister_dump(&fdm); } } diff --git a/arch/powerpc/kernel/head_8xx.S b/arch/powerpc/kernel/head_8xx.S index d8670a37d70c..6cab07e76732 100644 --- a/arch/powerpc/kernel/head_8xx.S +++ b/arch/powerpc/kernel/head_8xx.S @@ -913,7 +913,7 @@ start_here: tovirt(r6,r6) lis r5, abatron_pteptrs@h ori r5, r5, abatron_pteptrs@l - stw r5, 0xf0(r0) /* Must match your Abatron config file */ + stw r5, 0xf0(0) /* Must match your Abatron config file */ tophys(r5,r5) stw r6, 0(r5) diff --git a/arch/powerpc/kernel/hw_breakpoint.c b/arch/powerpc/kernel/hw_breakpoint.c index 4c1012b80d3b..80547dad37da 100644 --- a/arch/powerpc/kernel/hw_breakpoint.c +++ b/arch/powerpc/kernel/hw_breakpoint.c @@ -178,8 +178,8 @@ int arch_validate_hwbkpt_settings(struct perf_event *bp) if (cpu_has_feature(CPU_FTR_DAWR)) { length_max = 512 ; /* 64 doublewords */ /* DAWR region can't cross 512 boundary */ - if ((bp->attr.bp_addr >> 10) != - ((bp->attr.bp_addr + bp->attr.bp_len - 1) >> 10)) + if ((bp->attr.bp_addr >> 9) != + ((bp->attr.bp_addr + bp->attr.bp_len - 1) >> 9)) return -EINVAL; } if (info->len > diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 061aa0f47bb1..bbf7ec582d60 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -89,7 +89,7 @@ atomic_t ppc_n_lost_interrupts; #ifdef CONFIG_TAU_INT extern int tau_initialized; -extern int tau_interrupts(int); +u32 tau_interrupts(unsigned long cpu); #endif #endif /* CONFIG_PPC32 */ diff --git a/arch/powerpc/kernel/kvm.c b/arch/powerpc/kernel/kvm.c index 9ad37f827a97..683b5b3805bd 100644 --- a/arch/powerpc/kernel/kvm.c +++ b/arch/powerpc/kernel/kvm.c @@ -25,6 +25,7 @@ #include <linux/kvm_para.h> #include <linux/slab.h> #include <linux/of.h> +#include <linux/pagemap.h> #include <asm/reg.h> #include <asm/sections.h> @@ -672,14 +673,13 @@ static void kvm_use_magic_page(void) { u32 *p; u32 *start, *end; - u32 tmp; u32 features; /* Tell the host to map the magic page to -4096 on all CPUs */ on_each_cpu(kvm_map_magic_page, &features, 1); /* Quick self-test to see if the mapping works */ - if (__get_user(tmp, (u32*)KVM_MAGIC_PAGE)) { + if (!fault_in_pages_readable((const char *)KVM_MAGIC_PAGE, sizeof(u32))) { kvm_patching_worked = false; return; } diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c index 2694d078741d..936c7e2d421e 100644 --- a/arch/powerpc/kernel/machine_kexec.c +++ b/arch/powerpc/kernel/machine_kexec.c @@ -98,12 +98,14 @@ void machine_kexec(struct kimage *image) int save_ftrace_enabled; save_ftrace_enabled = __ftrace_enabled_save(); + this_cpu_disable_ftrace(); if (ppc_md.machine_kexec) ppc_md.machine_kexec(image); else default_machine_kexec(image); + this_cpu_enable_ftrace(); __ftrace_enabled_restore(save_ftrace_enabled); /* Fall back to normal restart if we're still alive. */ diff --git a/arch/powerpc/kernel/machine_kexec_64.c b/arch/powerpc/kernel/machine_kexec_64.c index 1044bf15d5ed..a0f6f45005bd 100644 --- a/arch/powerpc/kernel/machine_kexec_64.c +++ b/arch/powerpc/kernel/machine_kexec_64.c @@ -231,16 +231,16 @@ static void kexec_prepare_cpus(void) /* we are sure every CPU has IRQs off at this point */ kexec_all_irq_disabled = 1; - /* after we tell the others to go down */ - if (ppc_md.kexec_cpu_down) - ppc_md.kexec_cpu_down(0, 0); - /* * Before removing MMU mappings make sure all CPUs have entered real * mode: */ kexec_prepare_cpus_wait(KEXEC_STATE_REAL_MODE); + /* after we tell the others to go down */ + if (ppc_md.kexec_cpu_down) + ppc_md.kexec_cpu_down(0, 0); + put_cpu(); } diff --git a/arch/powerpc/kernel/misc.S b/arch/powerpc/kernel/misc.S index 384357cb8bc0..2f18fc1368d0 100644 --- a/arch/powerpc/kernel/misc.S +++ b/arch/powerpc/kernel/misc.S @@ -60,6 +60,10 @@ _GLOBAL(setjmp) PPC_STL r0,0(r3) PPC_STL r1,SZL(r3) PPC_STL r2,2*SZL(r3) +#ifdef CONFIG_PPC32 + mfcr r12 + stmw r12, 3*SZL(r3) +#else mfcr r0 PPC_STL r0,3*SZL(r3) PPC_STL r13,4*SZL(r3) @@ -81,14 +85,16 @@ _GLOBAL(setjmp) PPC_STL r29,20*SZL(r3) PPC_STL r30,21*SZL(r3) PPC_STL r31,22*SZL(r3) +#endif li r3,0 blr _GLOBAL(longjmp) - PPC_LCMPI r4,0 - bne 1f - li r4,1 -1: PPC_LL r13,4*SZL(r3) +#ifdef CONFIG_PPC32 + lmw r12, 3*SZL(r3) + mtcrf 0x38, r12 +#else + PPC_LL r13,4*SZL(r3) PPC_LL r14,5*SZL(r3) PPC_LL r15,6*SZL(r3) PPC_LL r16,7*SZL(r3) @@ -109,11 +115,14 @@ _GLOBAL(longjmp) PPC_LL r31,22*SZL(r3) PPC_LL r0,3*SZL(r3) mtcrf 0x38,r0 +#endif PPC_LL r0,0(r3) PPC_LL r1,SZL(r3) PPC_LL r2,2*SZL(r3) mtlr r0 - mr r3,r4 + mr. r3, r4 + bnelr + li r3, 1 blr _GLOBAL(current_stack_pointer) diff --git a/arch/powerpc/kernel/module_32.c b/arch/powerpc/kernel/module_32.c index 5a7a78f12562..88d83771f462 100644 --- a/arch/powerpc/kernel/module_32.c +++ b/arch/powerpc/kernel/module_32.c @@ -109,12 +109,12 @@ static unsigned long get_plt_size(const Elf32_Ehdr *hdr, for (i = 1; i < hdr->e_shnum; i++) { /* If it's called *.init*, and we're not init, we're not interested */ - if ((strstr(secstrings + sechdrs[i].sh_name, ".init") != 0) + if ((strstr(secstrings + sechdrs[i].sh_name, ".init") != NULL) != is_init) continue; /* We don't want to look at debug sections. */ - if (strstr(secstrings + sechdrs[i].sh_name, ".debug") != 0) + if (strstr(secstrings + sechdrs[i].sh_name, ".debug")) continue; if (sechdrs[i].sh_type == SHT_RELA) { diff --git a/arch/powerpc/kernel/module_64.c b/arch/powerpc/kernel/module_64.c index a2636c250b7b..1b7419579820 100644 --- a/arch/powerpc/kernel/module_64.c +++ b/arch/powerpc/kernel/module_64.c @@ -280,6 +280,10 @@ static unsigned long get_stubs_size(const Elf64_Ehdr *hdr, #ifdef CONFIG_DYNAMIC_FTRACE /* make the trampoline to the ftrace_caller */ relocs++; +#ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS + /* an additional one for ftrace_regs_caller */ + relocs++; +#endif #endif pr_debug("Looks like a total of %lu stubs, max\n", relocs); @@ -463,8 +467,11 @@ static unsigned long stub_for_addr(const Elf64_Shdr *sechdrs, } #ifdef CC_USING_MPROFILE_KERNEL -static bool is_early_mcount_callsite(u32 *instruction) +static bool is_mprofile_mcount_callsite(const char *name, u32 *instruction) { + if (strcmp("_mcount", name)) + return false; + /* * Check if this is one of the -mprofile-kernel sequences. */ @@ -496,8 +503,7 @@ static void squash_toc_save_inst(const char *name, unsigned long addr) #else static void squash_toc_save_inst(const char *name, unsigned long addr) { } -/* without -mprofile-kernel, mcount calls are never early */ -static bool is_early_mcount_callsite(u32 *instruction) +static bool is_mprofile_mcount_callsite(const char *name, u32 *instruction) { return false; } @@ -505,11 +511,11 @@ static bool is_early_mcount_callsite(u32 *instruction) /* We expect a noop next: if it is, replace it with instruction to restore r2. */ -static int restore_r2(u32 *instruction, struct module *me) +static int restore_r2(const char *name, u32 *instruction, struct module *me) { u32 *prev_insn = instruction - 1; - if (is_early_mcount_callsite(prev_insn)) + if (is_mprofile_mcount_callsite(name, prev_insn)) return 1; /* @@ -650,7 +656,8 @@ int apply_relocate_add(Elf64_Shdr *sechdrs, value = stub_for_addr(sechdrs, value, me); if (!value) return -ENOENT; - if (!restore_r2((u32 *)location + 1, me)) + if (!restore_r2(strtab + sym->st_name, + (u32 *)location + 1, me)) return -ENOEXEC; squash_toc_save_inst(strtab + sym->st_name, value); @@ -762,7 +769,8 @@ int apply_relocate_add(Elf64_Shdr *sechdrs, * via the paca (in r13). The target (ftrace_caller()) is responsible for * saving and restoring the toc before returning. */ -static unsigned long create_ftrace_stub(const Elf64_Shdr *sechdrs, struct module *me) +static unsigned long create_ftrace_stub(const Elf64_Shdr *sechdrs, + struct module *me, unsigned long addr) { struct ppc64_stub_entry *entry; unsigned int i, num_stubs; @@ -789,9 +797,10 @@ static unsigned long create_ftrace_stub(const Elf64_Shdr *sechdrs, struct module memcpy(entry->jump, stub_insns, sizeof(stub_insns)); /* Stub uses address relative to kernel toc (from the paca) */ - reladdr = (unsigned long)ftrace_caller - kernel_toc_addr(); + reladdr = addr - kernel_toc_addr(); if (reladdr > 0x7FFFFFFF || reladdr < -(0x80000000L)) { - pr_err("%s: Address of ftrace_caller out of range of kernel_toc.\n", me->name); + pr_err("%s: Address of %ps out of range of kernel_toc.\n", + me->name, (void *)addr); return 0; } @@ -799,22 +808,29 @@ static unsigned long create_ftrace_stub(const Elf64_Shdr *sechdrs, struct module entry->jump[2] |= PPC_LO(reladdr); /* Eventhough we don't use funcdata in the stub, it's needed elsewhere. */ - entry->funcdata = func_desc((unsigned long)ftrace_caller); + entry->funcdata = func_desc(addr); entry->magic = STUB_MAGIC; return (unsigned long)entry; } #else -static unsigned long create_ftrace_stub(const Elf64_Shdr *sechdrs, struct module *me) +static unsigned long create_ftrace_stub(const Elf64_Shdr *sechdrs, + struct module *me, unsigned long addr) { - return stub_for_addr(sechdrs, (unsigned long)ftrace_caller, me); + return stub_for_addr(sechdrs, addr, me); } #endif int module_finalize_ftrace(struct module *mod, const Elf_Shdr *sechdrs) { - mod->arch.toc = my_r2(sechdrs, mod); - mod->arch.tramp = create_ftrace_stub(sechdrs, mod); + mod->arch.tramp = create_ftrace_stub(sechdrs, mod, + (unsigned long)ftrace_caller); +#ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS + mod->arch.tramp_regs = create_ftrace_stub(sechdrs, mod, + (unsigned long)ftrace_regs_caller); + if (!mod->arch.tramp_regs) + return -ENOENT; +#endif if (!mod->arch.tramp) return -ENOENT; diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c index 85ad2f78b889..d63b488d34d7 100644 --- a/arch/powerpc/kernel/pci_32.c +++ b/arch/powerpc/kernel/pci_32.c @@ -11,11 +11,13 @@ #include <linux/sched.h> #include <linux/errno.h> #include <linux/bootmem.h> +#include <linux/syscalls.h> #include <linux/irq.h> #include <linux/list.h> #include <linux/of.h> #include <linux/slab.h> #include <linux/export.h> +#include <linux/syscalls.h> #include <asm/processor.h> #include <asm/io.h> @@ -283,7 +285,8 @@ pci_bus_to_hose(int bus) * Note that the returned IO or memory base is a physical address */ -long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn) +SYSCALL_DEFINE3(pciconfig_iobase, long, which, + unsigned long, bus, unsigned long, devfn) { struct pci_controller* hose; long result = -EOPNOTSUPP; @@ -307,5 +310,3 @@ long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn) return result; } - - diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c index 15ce0306b092..dff28f903512 100644 --- a/arch/powerpc/kernel/pci_64.c +++ b/arch/powerpc/kernel/pci_64.c @@ -203,8 +203,8 @@ void pcibios_setup_phb_io_space(struct pci_controller *hose) #define IOBASE_ISA_IO 3 #define IOBASE_ISA_MEM 4 -long sys_pciconfig_iobase(long which, unsigned long in_bus, - unsigned long in_devfn) +SYSCALL_DEFINE3(pciconfig_iobase, long, which, unsigned long, in_bus, + unsigned long, in_devfn) { struct pci_controller* hose; struct pci_bus *tmp_bus, *bus = NULL; diff --git a/arch/powerpc/kernel/ppc_save_regs.S b/arch/powerpc/kernel/ppc_save_regs.S index 1b1787d52896..8afbe213d729 100644 --- a/arch/powerpc/kernel/ppc_save_regs.S +++ b/arch/powerpc/kernel/ppc_save_regs.S @@ -25,6 +25,9 @@ */ _GLOBAL(ppc_save_regs) PPC_STL r0,0*SZL(r3) +#ifdef CONFIG_PPC32 + stmw r2, 2*SZL(r3) +#else PPC_STL r2,2*SZL(r3) PPC_STL r3,3*SZL(r3) PPC_STL r4,4*SZL(r3) @@ -55,6 +58,7 @@ _GLOBAL(ppc_save_regs) PPC_STL r29,29*SZL(r3) PPC_STL r30,30*SZL(r3) PPC_STL r31,31*SZL(r3) +#endif /* go up one stack frame for SP */ PPC_LL r4,0(r1) PPC_STL r4,1*SZL(r3) diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index 1237f13fed51..25db000fa5b3 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -154,6 +154,7 @@ unsigned long msr_check_and_set(unsigned long bits) return newmsr; } +EXPORT_SYMBOL_GPL(msr_check_and_set); void __msr_check_and_clear(unsigned long bits) { diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c index 9dbed488aba1..05e7fb47a7a4 100644 --- a/arch/powerpc/kernel/prom.c +++ b/arch/powerpc/kernel/prom.c @@ -332,25 +332,10 @@ static int __init early_init_dt_scan_cpus(unsigned long node, * NOTE: This must match the parsing done in smp_setup_cpu_maps. */ for (i = 0; i < nthreads; i++) { - /* - * version 2 of the kexec param format adds the phys cpuid of - * booted proc. - */ - if (fdt_version(initial_boot_params) >= 2) { - if (be32_to_cpu(intserv[i]) == - fdt_boot_cpuid_phys(initial_boot_params)) { - found = boot_cpu_count; - found_thread = i; - } - } else { - /* - * Check if it's the boot-cpu, set it's hw index now, - * unfortunately this format did not support booting - * off secondary threads. - */ - if (of_get_flat_dt_prop(node, - "linux,boot-cpu", NULL) != NULL) - found = boot_cpu_count; + if (be32_to_cpu(intserv[i]) == + fdt_boot_cpuid_phys(initial_boot_params)) { + found = boot_cpu_count; + found_thread = i; } #ifdef CONFIG_SMP /* logical cpu id is always 0 on UP kernels */ diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c index f9d6befb55a6..5425dd3d6a9f 100644 --- a/arch/powerpc/kernel/prom_init.c +++ b/arch/powerpc/kernel/prom_init.c @@ -103,7 +103,7 @@ int of_workarounds; #ifdef DEBUG_PROM #define prom_debug(x...) prom_printf(x) #else -#define prom_debug(x...) +#define prom_debug(x...) do { } while (0) #endif @@ -301,6 +301,10 @@ static void __init prom_print(const char *msg) } +/* + * Both prom_print_hex & prom_print_dec takes an unsigned long as input so that + * we do not need __udivdi3 or __umoddi3 on 32bits. + */ static void __init prom_print_hex(unsigned long val) { int i, nibbles = sizeof(val)*2; @@ -334,12 +338,14 @@ static void __init prom_print_dec(unsigned long val) call_prom("write", 3, 1, prom.stdout, buf+i, size); } +__printf(1, 2) static void __init prom_printf(const char *format, ...) { const char *p, *q, *s; va_list args; unsigned long v; long vs; + int n = 0; va_start(args, format); for (p = format; *p != 0; p = q) { @@ -358,6 +364,10 @@ static void __init prom_printf(const char *format, ...) ++q; if (*q == 0) break; + while (*q == 'l') { + ++q; + ++n; + } switch (*q) { case 's': ++q; @@ -366,39 +376,55 @@ static void __init prom_printf(const char *format, ...) break; case 'x': ++q; - v = va_arg(args, unsigned long); + switch (n) { + case 0: + v = va_arg(args, unsigned int); + break; + case 1: + v = va_arg(args, unsigned long); + break; + case 2: + default: + v = va_arg(args, unsigned long long); + break; + } prom_print_hex(v); break; - case 'd': + case 'u': ++q; - vs = va_arg(args, int); - if (vs < 0) { - prom_print("-"); - vs = -vs; + switch (n) { + case 0: + v = va_arg(args, unsigned int); + break; + case 1: + v = va_arg(args, unsigned long); + break; + case 2: + default: + v = va_arg(args, unsigned long long); + break; } - prom_print_dec(vs); + prom_print_dec(v); break; - case 'l': + case 'd': ++q; - if (*q == 0) + switch (n) { + case 0: + vs = va_arg(args, int); break; - else if (*q == 'x') { - ++q; - v = va_arg(args, unsigned long); - prom_print_hex(v); - } else if (*q == 'u') { /* '%lu' */ - ++q; - v = va_arg(args, unsigned long); - prom_print_dec(v); - } else if (*q == 'd') { /* %ld */ - ++q; + case 1: vs = va_arg(args, long); - if (vs < 0) { - prom_print("-"); - vs = -vs; - } - prom_print_dec(vs); + break; + case 2: + default: + vs = va_arg(args, long long); + break; } + if (vs < 0) { + prom_print("-"); + vs = -vs; + } + prom_print_dec(vs); break; } } @@ -1160,7 +1186,7 @@ static void __init prom_send_capabilities(void) */ cores = DIV_ROUND_UP(NR_CPUS, prom_count_smt_threads()); - prom_printf("Max number of cores passed to firmware: %lu (NR_CPUS = %lu)\n", + prom_printf("Max number of cores passed to firmware: %u (NR_CPUS = %d)\n", cores, NR_CPUS); ibm_architecture_vec.vec5.max_cpus = cpu_to_be32(cores); @@ -1242,7 +1268,7 @@ static unsigned long __init alloc_up(unsigned long size, unsigned long align) if (align) base = _ALIGN_UP(base, align); - prom_debug("alloc_up(%x, %x)\n", size, align); + prom_debug("%s(%lx, %lx)\n", __func__, size, align); if (ram_top == 0) prom_panic("alloc_up() called with mem not initialized\n"); @@ -1253,7 +1279,7 @@ static unsigned long __init alloc_up(unsigned long size, unsigned long align) for(; (base + size) <= alloc_top; base = _ALIGN_UP(base + 0x100000, align)) { - prom_debug(" trying: 0x%x\n\r", base); + prom_debug(" trying: 0x%lx\n\r", base); addr = (unsigned long)prom_claim(base, size, 0); if (addr != PROM_ERROR && addr != 0) break; @@ -1265,12 +1291,12 @@ static unsigned long __init alloc_up(unsigned long size, unsigned long align) return 0; alloc_bottom = addr + size; - prom_debug(" -> %x\n", addr); - prom_debug(" alloc_bottom : %x\n", alloc_bottom); - prom_debug(" alloc_top : %x\n", alloc_top); - prom_debug(" alloc_top_hi : %x\n", alloc_top_high); - prom_debug(" rmo_top : %x\n", rmo_top); - prom_debug(" ram_top : %x\n", ram_top); + prom_debug(" -> %lx\n", addr); + prom_debug(" alloc_bottom : %lx\n", alloc_bottom); + prom_debug(" alloc_top : %lx\n", alloc_top); + prom_debug(" alloc_top_hi : %lx\n", alloc_top_high); + prom_debug(" rmo_top : %lx\n", rmo_top); + prom_debug(" ram_top : %lx\n", ram_top); return addr; } @@ -1285,7 +1311,7 @@ static unsigned long __init alloc_down(unsigned long size, unsigned long align, { unsigned long base, addr = 0; - prom_debug("alloc_down(%x, %x, %s)\n", size, align, + prom_debug("%s(%lx, %lx, %s)\n", __func__, size, align, highmem ? "(high)" : "(low)"); if (ram_top == 0) prom_panic("alloc_down() called with mem not initialized\n"); @@ -1313,7 +1339,7 @@ static unsigned long __init alloc_down(unsigned long size, unsigned long align, base = _ALIGN_DOWN(alloc_top - size, align); for (; base > alloc_bottom; base = _ALIGN_DOWN(base - 0x100000, align)) { - prom_debug(" trying: 0x%x\n\r", base); + prom_debug(" trying: 0x%lx\n\r", base); addr = (unsigned long)prom_claim(base, size, 0); if (addr != PROM_ERROR && addr != 0) break; @@ -1324,12 +1350,12 @@ static unsigned long __init alloc_down(unsigned long size, unsigned long align, alloc_top = addr; bail: - prom_debug(" -> %x\n", addr); - prom_debug(" alloc_bottom : %x\n", alloc_bottom); - prom_debug(" alloc_top : %x\n", alloc_top); - prom_debug(" alloc_top_hi : %x\n", alloc_top_high); - prom_debug(" rmo_top : %x\n", rmo_top); - prom_debug(" ram_top : %x\n", ram_top); + prom_debug(" -> %lx\n", addr); + prom_debug(" alloc_bottom : %lx\n", alloc_bottom); + prom_debug(" alloc_top : %lx\n", alloc_top); + prom_debug(" alloc_top_hi : %lx\n", alloc_top_high); + prom_debug(" rmo_top : %lx\n", rmo_top); + prom_debug(" ram_top : %lx\n", ram_top); return addr; } @@ -1455,7 +1481,7 @@ static void __init prom_init_mem(void) if (size == 0) continue; - prom_debug(" %x %x\n", base, size); + prom_debug(" %lx %lx\n", base, size); if (base == 0 && (of_platform & PLATFORM_LPAR)) rmo_top = size; if ((base + size) > ram_top) @@ -1475,12 +1501,12 @@ static void __init prom_init_mem(void) if (prom_memory_limit) { if (prom_memory_limit <= alloc_bottom) { - prom_printf("Ignoring mem=%x <= alloc_bottom.\n", - prom_memory_limit); + prom_printf("Ignoring mem=%lx <= alloc_bottom.\n", + prom_memory_limit); prom_memory_limit = 0; } else if (prom_memory_limit >= ram_top) { - prom_printf("Ignoring mem=%x >= ram_top.\n", - prom_memory_limit); + prom_printf("Ignoring mem=%lx >= ram_top.\n", + prom_memory_limit); prom_memory_limit = 0; } else { ram_top = prom_memory_limit; @@ -1512,12 +1538,13 @@ static void __init prom_init_mem(void) alloc_bottom = PAGE_ALIGN(prom_initrd_end); prom_printf("memory layout at init:\n"); - prom_printf(" memory_limit : %x (16 MB aligned)\n", prom_memory_limit); - prom_printf(" alloc_bottom : %x\n", alloc_bottom); - prom_printf(" alloc_top : %x\n", alloc_top); - prom_printf(" alloc_top_hi : %x\n", alloc_top_high); - prom_printf(" rmo_top : %x\n", rmo_top); - prom_printf(" ram_top : %x\n", ram_top); + prom_printf(" memory_limit : %lx (16 MB aligned)\n", + prom_memory_limit); + prom_printf(" alloc_bottom : %lx\n", alloc_bottom); + prom_printf(" alloc_top : %lx\n", alloc_top); + prom_printf(" alloc_top_hi : %lx\n", alloc_top_high); + prom_printf(" rmo_top : %lx\n", rmo_top); + prom_printf(" ram_top : %lx\n", ram_top); } static void __init prom_close_stdin(void) @@ -1578,7 +1605,7 @@ static void __init prom_instantiate_opal(void) return; } - prom_printf("instantiating opal at 0x%x...", base); + prom_printf("instantiating opal at 0x%llx...", base); if (call_prom_ret("call-method", 4, 3, rets, ADDR("load-opal-runtime"), @@ -1594,10 +1621,10 @@ static void __init prom_instantiate_opal(void) reserve_mem(base, size); - prom_debug("opal base = 0x%x\n", base); - prom_debug("opal align = 0x%x\n", align); - prom_debug("opal entry = 0x%x\n", entry); - prom_debug("opal size = 0x%x\n", (long)size); + prom_debug("opal base = 0x%llx\n", base); + prom_debug("opal align = 0x%llx\n", align); + prom_debug("opal entry = 0x%llx\n", entry); + prom_debug("opal size = 0x%llx\n", size); prom_setprop(opal_node, "/ibm,opal", "opal-base-address", &base, sizeof(base)); @@ -1674,7 +1701,7 @@ static void __init prom_instantiate_rtas(void) prom_debug("rtas base = 0x%x\n", base); prom_debug("rtas entry = 0x%x\n", entry); - prom_debug("rtas size = 0x%x\n", (long)size); + prom_debug("rtas size = 0x%x\n", size); prom_debug("prom_instantiate_rtas: end...\n"); } @@ -1732,7 +1759,7 @@ static void __init prom_instantiate_sml(void) if (base == 0) prom_panic("Could not allocate memory for sml\n"); - prom_printf("instantiating sml at 0x%x...", base); + prom_printf("instantiating sml at 0x%llx...", base); memset((void *)base, 0, size); @@ -1751,8 +1778,8 @@ static void __init prom_instantiate_sml(void) prom_setprop(ibmvtpm_node, "/vdevice/vtpm", "linux,sml-size", &size, sizeof(size)); - prom_debug("sml base = 0x%x\n", base); - prom_debug("sml size = 0x%x\n", (long)size); + prom_debug("sml base = 0x%llx\n", base); + prom_debug("sml size = 0x%x\n", size); prom_debug("prom_instantiate_sml: end...\n"); } @@ -1845,7 +1872,7 @@ static void __init prom_initialize_tce_table(void) prom_debug("TCE table: %s\n", path); prom_debug("\tnode = 0x%x\n", node); - prom_debug("\tbase = 0x%x\n", base); + prom_debug("\tbase = 0x%llx\n", base); prom_debug("\tsize = 0x%x\n", minsize); /* Initialize the table to have a one-to-one mapping @@ -1932,12 +1959,12 @@ static void __init prom_hold_cpus(void) } prom_debug("prom_hold_cpus: start...\n"); - prom_debug(" 1) spinloop = 0x%x\n", (unsigned long)spinloop); - prom_debug(" 1) *spinloop = 0x%x\n", *spinloop); - prom_debug(" 1) acknowledge = 0x%x\n", + prom_debug(" 1) spinloop = 0x%lx\n", (unsigned long)spinloop); + prom_debug(" 1) *spinloop = 0x%lx\n", *spinloop); + prom_debug(" 1) acknowledge = 0x%lx\n", (unsigned long)acknowledge); - prom_debug(" 1) *acknowledge = 0x%x\n", *acknowledge); - prom_debug(" 1) secondary_hold = 0x%x\n", secondary_hold); + prom_debug(" 1) *acknowledge = 0x%lx\n", *acknowledge); + prom_debug(" 1) secondary_hold = 0x%lx\n", secondary_hold); /* Set the common spinloop variable, so all of the secondary cpus * will block when they are awakened from their OF spinloop. @@ -1965,7 +1992,7 @@ static void __init prom_hold_cpus(void) prom_getprop(node, "reg", ®, sizeof(reg)); cpu_no = be32_to_cpu(reg); - prom_debug("cpu hw idx = %lu\n", cpu_no); + prom_debug("cpu hw idx = %u\n", cpu_no); /* Init the acknowledge var which will be reset by * the secondary cpu when it awakens from its OF @@ -1975,7 +2002,7 @@ static void __init prom_hold_cpus(void) if (cpu_no != prom.cpu) { /* Primary Thread of non-boot cpu or any thread */ - prom_printf("starting cpu hw idx %lu... ", cpu_no); + prom_printf("starting cpu hw idx %u... ", cpu_no); call_prom("start-cpu", 3, 0, node, secondary_hold, cpu_no); @@ -1986,11 +2013,11 @@ static void __init prom_hold_cpus(void) if (*acknowledge == cpu_no) prom_printf("done\n"); else - prom_printf("failed: %x\n", *acknowledge); + prom_printf("failed: %lx\n", *acknowledge); } #ifdef CONFIG_SMP else - prom_printf("boot cpu hw idx %lu\n", cpu_no); + prom_printf("boot cpu hw idx %u\n", cpu_no); #endif /* CONFIG_SMP */ } @@ -2268,7 +2295,7 @@ static void __init *make_room(unsigned long *mem_start, unsigned long *mem_end, while ((*mem_start + needed) > *mem_end) { unsigned long room, chunk; - prom_debug("Chunk exhausted, claiming more at %x...\n", + prom_debug("Chunk exhausted, claiming more at %lx...\n", alloc_bottom); room = alloc_top - alloc_bottom; if (room > DEVTREE_CHUNK_SIZE) @@ -2494,7 +2521,7 @@ static void __init flatten_device_tree(void) room = alloc_top - alloc_bottom - 0x4000; if (room > DEVTREE_CHUNK_SIZE) room = DEVTREE_CHUNK_SIZE; - prom_debug("starting device tree allocs at %x\n", alloc_bottom); + prom_debug("starting device tree allocs at %lx\n", alloc_bottom); /* Now try to claim that */ mem_start = (unsigned long)alloc_up(room, PAGE_SIZE); @@ -2557,7 +2584,7 @@ static void __init flatten_device_tree(void) int i; prom_printf("reserved memory map:\n"); for (i = 0; i < mem_reserve_cnt; i++) - prom_printf(" %x - %x\n", + prom_printf(" %llx - %llx\n", be64_to_cpu(mem_reserve_map[i].base), be64_to_cpu(mem_reserve_map[i].size)); } @@ -2567,9 +2594,9 @@ static void __init flatten_device_tree(void) */ mem_reserve_cnt = MEM_RESERVE_MAP_SIZE; - prom_printf("Device tree strings 0x%x -> 0x%x\n", + prom_printf("Device tree strings 0x%lx -> 0x%lx\n", dt_string_start, dt_string_end); - prom_printf("Device tree struct 0x%x -> 0x%x\n", + prom_printf("Device tree struct 0x%lx -> 0x%lx\n", dt_struct_start, dt_struct_end); } @@ -3001,7 +3028,7 @@ static void __init prom_find_boot_cpu(void) prom_getprop(cpu_pkg, "reg", &rval, sizeof(rval)); prom.cpu = be32_to_cpu(rval); - prom_debug("Booting CPU hw index = %lu\n", prom.cpu); + prom_debug("Booting CPU hw index = %d\n", prom.cpu); } static void __init prom_check_initrd(unsigned long r3, unsigned long r4) @@ -3023,8 +3050,8 @@ static void __init prom_check_initrd(unsigned long r3, unsigned long r4) reserve_mem(prom_initrd_start, prom_initrd_end - prom_initrd_start); - prom_debug("initrd_start=0x%x\n", prom_initrd_start); - prom_debug("initrd_end=0x%x\n", prom_initrd_end); + prom_debug("initrd_start=0x%lx\n", prom_initrd_start); + prom_debug("initrd_end=0x%lx\n", prom_initrd_end); } #endif /* CONFIG_BLK_DEV_INITRD */ } @@ -3277,7 +3304,7 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4, /* Don't print anything after quiesce under OPAL, it crashes OFW */ if (of_platform != PLATFORM_OPAL) { prom_printf("Booting Linux via __start() @ 0x%lx ...\n", kbase); - prom_debug("->dt_header_start=0x%x\n", hdr); + prom_debug("->dt_header_start=0x%lx\n", hdr); } #ifdef CONFIG_PPC32 diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c index d23cf632edf0..0f63dd5972e9 100644 --- a/arch/powerpc/kernel/ptrace.c +++ b/arch/powerpc/kernel/ptrace.c @@ -2443,6 +2443,7 @@ static int ptrace_set_debugreg(struct task_struct *task, unsigned long addr, /* Create a new breakpoint request if one doesn't exist already */ hw_breakpoint_init(&attr); attr.bp_addr = hw_brk.address; + attr.bp_len = 8; arch_bp_generic_fields(hw_brk.type, &attr.bp_type); diff --git a/arch/powerpc/kernel/rtas-proc.c b/arch/powerpc/kernel/rtas-proc.c index fb070d8cad07..11ef978e95db 100644 --- a/arch/powerpc/kernel/rtas-proc.c +++ b/arch/powerpc/kernel/rtas-proc.c @@ -528,7 +528,7 @@ static void ppc_rtas_process_sensor(struct seq_file *m, "EPOW power off" }; const char * battery_cyclestate[] = { "None", "In progress", "Requested" }; - const char * battery_charging[] = { "Charging", "Discharching", + const char * battery_charging[] = { "Charging", "Discharging", "No current flow" }; const char * ibm_drconnector[] = { "Empty", "Present", "Unusable", "Exchange" }; diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c index 3f1c4fcbe0aa..8afd146bc9c7 100644 --- a/arch/powerpc/kernel/rtas.c +++ b/arch/powerpc/kernel/rtas.c @@ -26,6 +26,7 @@ #include <linux/memblock.h> #include <linux/slab.h> #include <linux/reboot.h> +#include <linux/syscalls.h> #include <asm/prom.h> #include <asm/rtas.h> @@ -1050,7 +1051,7 @@ struct pseries_errorlog *get_pseries_errorlog(struct rtas_error_log *log, } /* We assume to be passed big endian arguments */ -asmlinkage int ppc_rtas(struct rtas_args __user *uargs) +SYSCALL_DEFINE1(rtas, struct rtas_args __user *, uargs) { struct rtas_args args; unsigned long flags; diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index 0af5c11b9e78..62b1a40d8957 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -192,12 +192,6 @@ void machine_halt(void) machine_hang(); } - -#ifdef CONFIG_TAU -extern u32 cpu_temp(unsigned long cpu); -extern u32 cpu_temp_both(unsigned long cpu); -#endif /* CONFIG_TAU */ - #ifdef CONFIG_SMP DEFINE_PER_CPU(unsigned int, cpu_pvr); #endif diff --git a/arch/powerpc/kernel/setup.h b/arch/powerpc/kernel/setup.h index d144df54ad40..c6a592b67386 100644 --- a/arch/powerpc/kernel/setup.h +++ b/arch/powerpc/kernel/setup.h @@ -62,4 +62,10 @@ void kvm_cma_reserve(void); static inline void kvm_cma_reserve(void) { }; #endif +#ifdef CONFIG_TAU +u32 cpu_temp(unsigned long cpu); +u32 cpu_temp_both(unsigned long cpu); +u32 tau_interrupts(unsigned long cpu); +#endif /* CONFIG_TAU */ + #endif /* __ARCH_POWERPC_KERNEL_SETUP_H */ diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index b78f142a4148..7a7ce8ad455e 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -346,6 +346,13 @@ void __init early_setup(unsigned long dt_ptr) */ cpu_ready_for_interrupts(); + /* + * We enable ftrace here, but since we only support DYNAMIC_FTRACE, it + * will only actually get enabled on the boot cpu much later once + * ftrace itself has been initialized. + */ + this_cpu_enable_ftrace(); + DBG(" <- early_setup()\n"); #ifdef CONFIG_PPC_EARLY_DEBUG_BOOTX diff --git a/arch/powerpc/kernel/signal.h b/arch/powerpc/kernel/signal.h index a6467f843acf..800433685888 100644 --- a/arch/powerpc/kernel/signal.h +++ b/arch/powerpc/kernel/signal.h @@ -49,10 +49,8 @@ extern int handle_rt_signal64(struct ksignal *ksig, sigset_t *set, #else /* CONFIG_PPC64 */ -extern long sys_rt_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8, - struct pt_regs *regs); -extern long sys_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8, - struct pt_regs *regs); +extern long sys_rt_sigreturn(void); +extern long sys_sigreturn(void); static inline int handle_rt_signal64(struct ksignal *ksig, sigset_t *set, struct task_struct *tsk) diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c index 492f03451877..9cf8a03d3bc7 100644 --- a/arch/powerpc/kernel/signal_32.c +++ b/arch/powerpc/kernel/signal_32.c @@ -26,8 +26,8 @@ #include <linux/elf.h> #include <linux/ptrace.h> #include <linux/ratelimit.h> -#ifdef CONFIG_PPC64 #include <linux/syscalls.h> +#ifdef CONFIG_PPC64 #include <linux/compat.h> #else #include <linux/wait.h> @@ -57,10 +57,6 @@ #ifdef CONFIG_PPC64 -#define sys_rt_sigreturn compat_sys_rt_sigreturn -#define sys_swapcontext compat_sys_swapcontext -#define sys_sigreturn compat_sys_sigreturn - #define old_sigaction old_sigaction32 #define sigcontext sigcontext32 #define mcontext mcontext32 @@ -1041,10 +1037,15 @@ static int do_setcontext_tm(struct ucontext __user *ucp, } #endif -long sys_swapcontext(struct ucontext __user *old_ctx, - struct ucontext __user *new_ctx, - int ctx_size, int r6, int r7, int r8, struct pt_regs *regs) +#ifdef CONFIG_PPC64 +COMPAT_SYSCALL_DEFINE3(swapcontext, struct ucontext __user *, old_ctx, + struct ucontext __user *, new_ctx, int, ctx_size) +#else +SYSCALL_DEFINE3(swapcontext, struct ucontext __user *, old_ctx, + struct ucontext __user *, new_ctx, long, ctx_size) +#endif { + struct pt_regs *regs = current_pt_regs(); unsigned char tmp __maybe_unused; int ctx_has_vsx_region = 0; @@ -1132,10 +1133,14 @@ long sys_swapcontext(struct ucontext __user *old_ctx, return 0; } -long sys_rt_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8, - struct pt_regs *regs) +#ifdef CONFIG_PPC64 +COMPAT_SYSCALL_DEFINE0(rt_sigreturn) +#else +SYSCALL_DEFINE0(rt_sigreturn) +#endif { struct rt_sigframe __user *rt_sf; + struct pt_regs *regs = current_pt_regs(); #ifdef CONFIG_PPC_TRANSACTIONAL_MEM struct ucontext __user *uc_transact; unsigned long msr_hi; @@ -1224,11 +1229,10 @@ long sys_rt_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8, } #ifdef CONFIG_PPC32 -int sys_debug_setcontext(struct ucontext __user *ctx, - int ndbg, struct sig_dbg_op __user *dbg, - int r6, int r7, int r8, - struct pt_regs *regs) +SYSCALL_DEFINE3(debug_setcontext, struct ucontext __user *, ctx, + int, ndbg, struct sig_dbg_op __user *, dbg) { + struct pt_regs *regs = current_pt_regs(); struct sig_dbg_op op; int i; unsigned char tmp __maybe_unused; @@ -1419,9 +1423,13 @@ badframe: /* * Do a signal return; undo the signal stack. */ -long sys_sigreturn(int r3, int r4, int r5, int r6, int r7, int r8, - struct pt_regs *regs) +#ifdef CONFIG_PPC64 +COMPAT_SYSCALL_DEFINE0(sigreturn) +#else +SYSCALL_DEFINE0(sigreturn) +#endif { + struct pt_regs *regs = current_pt_regs(); struct sigframe __user *sf; struct sigcontext __user *sc; struct sigcontext sigctx; diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c index 720117690822..83d51bf586c7 100644 --- a/arch/powerpc/kernel/signal_64.c +++ b/arch/powerpc/kernel/signal_64.c @@ -24,6 +24,7 @@ #include <linux/elf.h> #include <linux/ptrace.h> #include <linux/ratelimit.h> +#include <linux/syscalls.h> #include <asm/sigcontext.h> #include <asm/ucontext.h> @@ -624,17 +625,14 @@ static long setup_trampoline(unsigned int syscall, unsigned int __user *tramp) /* * Handle {get,set,swap}_context operations */ -int sys_swapcontext(struct ucontext __user *old_ctx, - struct ucontext __user *new_ctx, - long ctx_size, long r6, long r7, long r8, struct pt_regs *regs) +SYSCALL_DEFINE3(swapcontext, struct ucontext __user *, old_ctx, + struct ucontext __user *, new_ctx, long, ctx_size) { unsigned char tmp; sigset_t set; unsigned long new_msr = 0; int ctx_has_vsx_region = 0; - BUG_ON(regs != current->thread.regs); - if (new_ctx && get_user(new_msr, &new_ctx->uc_mcontext.gp_regs[PT_MSR])) return -EFAULT; @@ -698,18 +696,15 @@ int sys_swapcontext(struct ucontext __user *old_ctx, * Do a signal return; undo the signal stack. */ -int sys_rt_sigreturn(unsigned long r3, unsigned long r4, unsigned long r5, - unsigned long r6, unsigned long r7, unsigned long r8, - struct pt_regs *regs) +SYSCALL_DEFINE0(rt_sigreturn) { + struct pt_regs *regs = current_pt_regs(); struct ucontext __user *uc = (struct ucontext __user *)regs->gpr[1]; sigset_t set; #ifdef CONFIG_PPC_TRANSACTIONAL_MEM unsigned long msr; #endif - BUG_ON(current->thread.regs != regs); - /* Always make any pending restarted system calls return -EINTR */ current->restart_block.fn = do_no_restart_syscall; diff --git a/arch/powerpc/kernel/smp.c b/arch/powerpc/kernel/smp.c index 9ca7148b5881..c96f8fbc1942 100644 --- a/arch/powerpc/kernel/smp.c +++ b/arch/powerpc/kernel/smp.c @@ -59,6 +59,7 @@ #include <asm/kexec.h> #include <asm/asm-prototypes.h> #include <asm/cpu_has_feature.h> +#include <asm/ftrace.h> #ifdef DEBUG #include <asm/udbg.h> @@ -1066,6 +1067,9 @@ void start_secondary(void *unused) local_irq_enable(); + /* We can enable ftrace for secondary cpus now */ + this_cpu_enable_ftrace(); + cpu_startup_entry(CPUHP_AP_ONLINE_IDLE); BUG(); @@ -1162,6 +1166,8 @@ int __cpu_disable(void) if (!smp_ops->cpu_disable) return -ENOSYS; + this_cpu_disable_ftrace(); + err = smp_ops->cpu_disable(); if (err) return err; @@ -1180,6 +1186,12 @@ void __cpu_die(unsigned int cpu) void cpu_die(void) { + /* + * Disable on the down path. This will be re-enabled by + * start_secondary() via start_secondary_resume() below + */ + this_cpu_disable_ftrace(); + if (ppc_md.cpu_die) ppc_md.cpu_die(); diff --git a/arch/powerpc/kernel/stacktrace.c b/arch/powerpc/kernel/stacktrace.c index d534ed901538..8dd6ba0c7d35 100644 --- a/arch/powerpc/kernel/stacktrace.c +++ b/arch/powerpc/kernel/stacktrace.c @@ -2,7 +2,7 @@ * Stack trace utility * * Copyright 2008 Christoph Hellwig, IBM Corp. - * + * Copyright 2018 SUSE Linux GmbH * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -11,11 +11,16 @@ */ #include <linux/export.h> +#include <linux/kallsyms.h> +#include <linux/module.h> #include <linux/sched.h> #include <linux/sched/debug.h> +#include <linux/sched/task_stack.h> #include <linux/stacktrace.h> #include <asm/ptrace.h> #include <asm/processor.h> +#include <linux/ftrace.h> +#include <asm/kprobes.h> /* * Save stack-backtrace addresses into a stack_trace buffer. @@ -76,3 +81,116 @@ save_stack_trace_regs(struct pt_regs *regs, struct stack_trace *trace) save_context_stack(trace, regs->gpr[1], current, 0); } EXPORT_SYMBOL_GPL(save_stack_trace_regs); + +#ifdef CONFIG_HAVE_RELIABLE_STACKTRACE +int +save_stack_trace_tsk_reliable(struct task_struct *tsk, + struct stack_trace *trace) +{ + unsigned long sp; + unsigned long stack_page = (unsigned long)task_stack_page(tsk); + unsigned long stack_end; + int graph_idx = 0; + + /* + * The last frame (unwinding first) may not yet have saved + * its LR onto the stack. + */ + int firstframe = 1; + + if (tsk == current) + sp = current_stack_pointer(); + else + sp = tsk->thread.ksp; + + stack_end = stack_page + THREAD_SIZE; + if (!is_idle_task(tsk)) { + /* + * For user tasks, this is the SP value loaded on + * kernel entry, see "PACAKSAVE(r13)" in _switch() and + * system_call_common()/EXCEPTION_PROLOG_COMMON(). + * + * Likewise for non-swapper kernel threads, + * this also happens to be the top of the stack + * as setup by copy_thread(). + * + * Note that stack backlinks are not properly setup by + * copy_thread() and thus, a forked task() will have + * an unreliable stack trace until it's been + * _switch()'ed to for the first time. + */ + stack_end -= STACK_FRAME_OVERHEAD + sizeof(struct pt_regs); + } else { + /* + * idle tasks have a custom stack layout, + * c.f. cpu_idle_thread_init(). + */ + stack_end -= STACK_FRAME_OVERHEAD; + } + + if (sp < stack_page + sizeof(struct thread_struct) || + sp > stack_end - STACK_FRAME_MIN_SIZE) { + return 1; + } + + for (;;) { + unsigned long *stack = (unsigned long *) sp; + unsigned long newsp, ip; + + /* sanity check: ABI requires SP to be aligned 16 bytes. */ + if (sp & 0xF) + return 1; + + /* Mark stacktraces with exception frames as unreliable. */ + if (sp <= stack_end - STACK_INT_FRAME_SIZE && + stack[STACK_FRAME_MARKER] == STACK_FRAME_REGS_MARKER) { + return 1; + } + + newsp = stack[0]; + /* Stack grows downwards; unwinder may only go up. */ + if (newsp <= sp) + return 1; + + if (newsp != stack_end && + newsp > stack_end - STACK_FRAME_MIN_SIZE) { + return 1; /* invalid backlink, too far up. */ + } + + /* Examine the saved LR: it must point into kernel code. */ + ip = stack[STACK_FRAME_LR_SAVE]; + if (!firstframe && !__kernel_text_address(ip)) + return 1; + firstframe = 0; + + /* + * FIXME: IMHO these tests do not belong in + * arch-dependent code, they are generic. + */ + ip = ftrace_graph_ret_addr(tsk, &graph_idx, ip, NULL); +#ifdef CONFIG_KPROBES + /* + * Mark stacktraces with kretprobed functions on them + * as unreliable. + */ + if (ip == (unsigned long)kretprobe_trampoline) + return 1; +#endif + + if (!trace->skip) + trace->entries[trace->nr_entries++] = ip; + else + trace->skip--; + + if (newsp == stack_end) + break; + + if (trace->nr_entries >= trace->max_entries) + return -E2BIG; + + sp = newsp; + } + return 0; +} +EXPORT_SYMBOL_GPL(save_stack_trace_tsk_reliable); +#endif /* CONFIG_HAVE_RELIABLE_STACKTRACE */ diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c index c11c73373691..bdf58ba1a94b 100644 --- a/arch/powerpc/kernel/sys_ppc32.c +++ b/arch/powerpc/kernel/sys_ppc32.c @@ -52,15 +52,6 @@ #include <asm/syscalls.h> #include <asm/switch_to.h> - -asmlinkage long ppc32_select(u32 n, compat_ulong_t __user *inp, - compat_ulong_t __user *outp, compat_ulong_t __user *exp, - compat_uptr_t tvp_x) -{ - /* sign extend n */ - return compat_sys_select((int)n, inp, outp, exp, compat_ptr(tvp_x)); -} - unsigned long compat_sys_mmap2(unsigned long addr, size_t len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long pgoff) diff --git a/arch/powerpc/kernel/systbl.S b/arch/powerpc/kernel/systbl.S index 7ccb7f81f8db..919a32746ede 100644 --- a/arch/powerpc/kernel/systbl.S +++ b/arch/powerpc/kernel/systbl.S @@ -35,7 +35,7 @@ #endif #define SYSCALL_SPU(func) SYSCALL(func) #define COMPAT_SYS_SPU(func) COMPAT_SYS(func) -#define PPC_SYS_SPU(func) PPC_SYS(func) +#define COMPAT_SPU_NEW(func) COMPAT_SYS(func) #define SYSX_SPU(f, f3264, f32) SYSX(f, f3264, f32) .section .rodata,"a" diff --git a/arch/powerpc/kernel/systbl_chk.c b/arch/powerpc/kernel/systbl_chk.c index 55323a620cfe..4653258722ac 100644 --- a/arch/powerpc/kernel/systbl_chk.c +++ b/arch/powerpc/kernel/systbl_chk.c @@ -31,7 +31,7 @@ #define SYSCALL_SPU(func) SYSCALL(func) #define COMPAT_SYS_SPU(func) COMPAT_SYS(func) -#define PPC_SYS_SPU(func) PPC_SYS(func) +#define COMPAT_SPU_NEW(func) COMPAT_SYS(_new##func) #define SYSX_SPU(f, f3264, f32) SYSX(f, f3264, f32) /* Just insert a marker for ni_syscalls */ diff --git a/arch/powerpc/kernel/systbl_chk.sh b/arch/powerpc/kernel/systbl_chk.sh index 31b6e7c358ca..f2e356c2a345 100644 --- a/arch/powerpc/kernel/systbl_chk.sh +++ b/arch/powerpc/kernel/systbl_chk.sh @@ -16,7 +16,7 @@ awk 'BEGIN { num = -1; } # Ignore the beginning of the file /^START_TABLE/ { num = 0; next; } /^END_TABLE/ { if (num != $2) { - printf "NR_syscalls (%s) is not one more than the last syscall (%s)\n", + printf "Error: NR_syscalls (%s) is not one more than the last syscall (%s)\n", $2, num - 1; exit(1); } @@ -25,7 +25,7 @@ awk 'BEGIN { num = -1; } # Ignore the beginning of the file { if (num == -1) next; if (($1 != -1) && ($1 != num)) { - printf "Syscall %s out of order (expected %s)\n", + printf "Error: Syscall %s out of order (expected %s)\n", $1, num; exit(1); }; diff --git a/arch/powerpc/kernel/tau_6xx.c b/arch/powerpc/kernel/tau_6xx.c index 8cdd852aedd1..e2ab8a111b69 100644 --- a/arch/powerpc/kernel/tau_6xx.c +++ b/arch/powerpc/kernel/tau_6xx.c @@ -27,6 +27,9 @@ #include <asm/cache.h> #include <asm/8xx_immap.h> #include <asm/machdep.h> +#include <asm/asm-prototypes.h> + +#include "setup.h" static struct tau_temp { @@ -50,7 +53,7 @@ struct timer_list tau_timer; #define shrink_timer 2*HZ /* period between shrinking the window */ #define min_window 2 /* minimum window size, degrees C */ -void set_thresholds(unsigned long cpu) +static void set_thresholds(unsigned long cpu) { #ifdef CONFIG_TAU_INT /* @@ -70,7 +73,7 @@ void set_thresholds(unsigned long cpu) #endif } -void TAUupdate(int cpu) +static void TAUupdate(int cpu) { unsigned thrm; @@ -205,7 +208,7 @@ static void tau_timeout_smp(struct timer_list *unused) int tau_initialized = 0; -void __init TAU_init_smp(void * info) +static void __init TAU_init_smp(void *info) { unsigned long cpu = smp_processor_id(); @@ -217,7 +220,7 @@ void __init TAU_init_smp(void * info) set_thresholds(cpu); } -int __init TAU_init(void) +static int __init TAU_init(void) { /* We assume in SMP that if one CPU has TAU support, they * all have it --BenH @@ -259,12 +262,12 @@ u32 cpu_temp_both(unsigned long cpu) return ((tau[cpu].high << 16) | tau[cpu].low); } -int cpu_temp(unsigned long cpu) +u32 cpu_temp(unsigned long cpu) { return ((tau[cpu].high + tau[cpu].low) / 2); } -int tau_interrupts(unsigned long cpu) +u32 tau_interrupts(unsigned long cpu) { return (tau[cpu].interrupts); } diff --git a/arch/powerpc/kernel/tm.S b/arch/powerpc/kernel/tm.S index b92ac8e711db..ff12f47a96b6 100644 --- a/arch/powerpc/kernel/tm.S +++ b/arch/powerpc/kernel/tm.S @@ -12,6 +12,7 @@ #include <asm/ptrace.h> #include <asm/reg.h> #include <asm/bug.h> +#include <asm/export.h> #ifdef CONFIG_VSX /* See fpu.S, this is borrowed from there */ @@ -55,6 +56,16 @@ _GLOBAL(tm_enable) or r4, r4, r3 mtmsrd r4 1: blr +EXPORT_SYMBOL_GPL(tm_enable); + +_GLOBAL(tm_disable) + mfmsr r4 + li r3, MSR_TM >> 32 + sldi r3, r3, 32 + andc r4, r4, r3 + mtmsrd r4 + blr +EXPORT_SYMBOL_GPL(tm_disable); _GLOBAL(tm_save_sprs) mfspr r0, SPRN_TFHAR @@ -78,6 +89,7 @@ _GLOBAL(tm_restore_sprs) _GLOBAL(tm_abort) TABORT(R3) blr +EXPORT_SYMBOL_GPL(tm_abort); /* void tm_reclaim(struct thread_struct *thread, * uint8_t cause) diff --git a/arch/powerpc/kernel/trace/ftrace.c b/arch/powerpc/kernel/trace/ftrace.c index 4741fe112f05..c076a32093fd 100644 --- a/arch/powerpc/kernel/trace/ftrace.c +++ b/arch/powerpc/kernel/trace/ftrace.c @@ -357,6 +357,8 @@ __ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) { unsigned int op[2]; void *ip = (void *)rec->ip; + unsigned long entry, ptr, tramp; + struct module *mod = rec->arch.mod; /* read where this goes */ if (probe_kernel_read(op, ip, sizeof(op))) @@ -368,19 +370,44 @@ __ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) return -EINVAL; } - /* If we never set up a trampoline to ftrace_caller, then bail */ - if (!rec->arch.mod->arch.tramp) { + /* If we never set up ftrace trampoline(s), then bail */ +#ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS + if (!mod->arch.tramp || !mod->arch.tramp_regs) { +#else + if (!mod->arch.tramp) { +#endif pr_err("No ftrace trampoline\n"); return -EINVAL; } +#ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS + if (rec->flags & FTRACE_FL_REGS) + tramp = mod->arch.tramp_regs; + else +#endif + tramp = mod->arch.tramp; + + if (module_trampoline_target(mod, tramp, &ptr)) { + pr_err("Failed to get trampoline target\n"); + return -EFAULT; + } + + pr_devel("trampoline target %lx", ptr); + + entry = ppc_global_function_entry((void *)addr); + /* This should match what was called */ + if (ptr != entry) { + pr_err("addr %lx does not match expected %lx\n", ptr, entry); + return -EINVAL; + } + /* Ensure branch is within 24 bits */ - if (!create_branch(ip, rec->arch.mod->arch.tramp, BRANCH_SET_LINK)) { + if (!create_branch(ip, tramp, BRANCH_SET_LINK)) { pr_err("Branch out of range\n"); return -EINVAL; } - if (patch_branch(ip, rec->arch.mod->arch.tramp, BRANCH_SET_LINK)) { + if (patch_branch(ip, tramp, BRANCH_SET_LINK)) { pr_err("REL24 out of range!\n"); return -EINVAL; } @@ -388,14 +415,6 @@ __ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) return 0; } -#ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS -int ftrace_modify_call(struct dyn_ftrace *rec, unsigned long old_addr, - unsigned long addr) -{ - return ftrace_make_call(rec, addr); -} -#endif - #else /* !CONFIG_PPC64: */ static int __ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) @@ -472,53 +491,158 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr) #endif /* CONFIG_MODULES */ } -int ftrace_update_ftrace_func(ftrace_func_t func) +#ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS +#ifdef CONFIG_MODULES +static int +__ftrace_modify_call(struct dyn_ftrace *rec, unsigned long old_addr, + unsigned long addr) { - unsigned long ip = (unsigned long)(&ftrace_call); - unsigned int old, new; - int ret; + unsigned int op; + unsigned long ip = rec->ip; + unsigned long entry, ptr, tramp; + struct module *mod = rec->arch.mod; - old = *(unsigned int *)&ftrace_call; - new = ftrace_call_replace(ip, (unsigned long)func, 1); - ret = ftrace_modify_code(ip, old, new); + /* If we never set up ftrace trampolines, then bail */ + if (!mod->arch.tramp || !mod->arch.tramp_regs) { + pr_err("No ftrace trampoline\n"); + return -EINVAL; + } - return ret; -} + /* read where this goes */ + if (probe_kernel_read(&op, (void *)ip, sizeof(int))) { + pr_err("Fetching opcode failed.\n"); + return -EFAULT; + } -static int __ftrace_replace_code(struct dyn_ftrace *rec, int enable) -{ - unsigned long ftrace_addr = (unsigned long)FTRACE_ADDR; - int ret; + /* Make sure that that this is still a 24bit jump */ + if (!is_bl_op(op)) { + pr_err("Not expected bl: opcode is %x\n", op); + return -EINVAL; + } + + /* lets find where the pointer goes */ + tramp = find_bl_target(ip, op); + entry = ppc_global_function_entry((void *)old_addr); + + pr_devel("ip:%lx jumps to %lx", ip, tramp); - ret = ftrace_update_record(rec, enable); + if (tramp != entry) { + /* old_addr is not within range, so we must have used a trampoline */ + if (module_trampoline_target(mod, tramp, &ptr)) { + pr_err("Failed to get trampoline target\n"); + return -EFAULT; + } + + pr_devel("trampoline target %lx", ptr); + + /* This should match what was called */ + if (ptr != entry) { + pr_err("addr %lx does not match expected %lx\n", ptr, entry); + return -EINVAL; + } + } + + /* The new target may be within range */ + if (test_24bit_addr(ip, addr)) { + /* within range */ + if (patch_branch((unsigned int *)ip, addr, BRANCH_SET_LINK)) { + pr_err("REL24 out of range!\n"); + return -EINVAL; + } - switch (ret) { - case FTRACE_UPDATE_IGNORE: return 0; - case FTRACE_UPDATE_MAKE_CALL: - return ftrace_make_call(rec, ftrace_addr); - case FTRACE_UPDATE_MAKE_NOP: - return ftrace_make_nop(NULL, rec, ftrace_addr); + } + + if (rec->flags & FTRACE_FL_REGS) + tramp = mod->arch.tramp_regs; + else + tramp = mod->arch.tramp; + + if (module_trampoline_target(mod, tramp, &ptr)) { + pr_err("Failed to get trampoline target\n"); + return -EFAULT; + } + + pr_devel("trampoline target %lx", ptr); + + entry = ppc_global_function_entry((void *)addr); + /* This should match what was called */ + if (ptr != entry) { + pr_err("addr %lx does not match expected %lx\n", ptr, entry); + return -EINVAL; + } + + /* Ensure branch is within 24 bits */ + if (!create_branch((unsigned int *)ip, tramp, BRANCH_SET_LINK)) { + pr_err("Branch out of range\n"); + return -EINVAL; + } + + if (patch_branch((unsigned int *)ip, tramp, BRANCH_SET_LINK)) { + pr_err("REL24 out of range!\n"); + return -EINVAL; } return 0; } +#endif -void ftrace_replace_code(int enable) +int ftrace_modify_call(struct dyn_ftrace *rec, unsigned long old_addr, + unsigned long addr) { - struct ftrace_rec_iter *iter; - struct dyn_ftrace *rec; + unsigned long ip = rec->ip; + unsigned int old, new; + + /* + * If the calling address is more that 24 bits away, + * then we had to use a trampoline to make the call. + * Otherwise just update the call site. + */ + if (test_24bit_addr(ip, addr) && test_24bit_addr(ip, old_addr)) { + /* within range */ + old = ftrace_call_replace(ip, old_addr, 1); + new = ftrace_call_replace(ip, addr, 1); + return ftrace_modify_code(ip, old, new); + } + +#ifdef CONFIG_MODULES + /* + * Out of range jumps are called from modules. + */ + if (!rec->arch.mod) { + pr_err("No module loaded\n"); + return -EINVAL; + } + + return __ftrace_modify_call(rec, old_addr, addr); +#else + /* We should not get here without modules */ + return -EINVAL; +#endif /* CONFIG_MODULES */ +} +#endif + +int ftrace_update_ftrace_func(ftrace_func_t func) +{ + unsigned long ip = (unsigned long)(&ftrace_call); + unsigned int old, new; int ret; - for (iter = ftrace_rec_iter_start(); iter; - iter = ftrace_rec_iter_next(iter)) { - rec = ftrace_rec_iter_record(iter); - ret = __ftrace_replace_code(rec, enable); - if (ret) { - ftrace_bug(ret, rec); - return; - } + old = *(unsigned int *)&ftrace_call; + new = ftrace_call_replace(ip, (unsigned long)func, 1); + ret = ftrace_modify_code(ip, old, new); + +#ifdef CONFIG_DYNAMIC_FTRACE_WITH_REGS + /* Also update the regs callback function */ + if (!ret) { + ip = (unsigned long)(&ftrace_regs_call); + old = *(unsigned int *)&ftrace_regs_call; + new = ftrace_call_replace(ip, (unsigned long)func, 1); + ret = ftrace_modify_code(ip, old, new); } +#endif + + return ret; } /* @@ -538,7 +662,6 @@ int __init ftrace_dyn_arch_init(void) #ifdef CONFIG_FUNCTION_GRAPH_TRACER -#ifdef CONFIG_DYNAMIC_FTRACE extern void ftrace_graph_call(void); extern void ftrace_graph_stub(void); @@ -567,7 +690,6 @@ int ftrace_disable_ftrace_graph_caller(void) return ftrace_modify_code(ip, old, new); } -#endif /* CONFIG_DYNAMIC_FTRACE */ /* * Hook the return address and push it in the stack of return addrs diff --git a/arch/powerpc/kernel/trace/ftrace_32.S b/arch/powerpc/kernel/trace/ftrace_32.S index afef2c076282..2c29098f630f 100644 --- a/arch/powerpc/kernel/trace/ftrace_32.S +++ b/arch/powerpc/kernel/trace/ftrace_32.S @@ -14,7 +14,6 @@ #include <asm/ftrace.h> #include <asm/export.h> -#ifdef CONFIG_DYNAMIC_FTRACE _GLOBAL(mcount) _GLOBAL(_mcount) /* @@ -47,26 +46,7 @@ _GLOBAL(ftrace_graph_stub) MCOUNT_RESTORE_FRAME /* old link register ends up in ctr reg */ bctr -#else -_GLOBAL(mcount) -_GLOBAL(_mcount) - - MCOUNT_SAVE_FRAME - subi r3, r3, MCOUNT_INSN_SIZE - LOAD_REG_ADDR(r5, ftrace_trace_function) - lwz r5,0(r5) - - mtctr r5 - bctrl - nop - -#ifdef CONFIG_FUNCTION_GRAPH_TRACER - b ftrace_graph_caller -#endif - MCOUNT_RESTORE_FRAME - bctr -#endif EXPORT_SYMBOL(_mcount) _GLOBAL(ftrace_stub) diff --git a/arch/powerpc/kernel/trace/ftrace_64.S b/arch/powerpc/kernel/trace/ftrace_64.S index e5ccea19821e..e25f77c10a72 100644 --- a/arch/powerpc/kernel/trace/ftrace_64.S +++ b/arch/powerpc/kernel/trace/ftrace_64.S @@ -14,7 +14,6 @@ #include <asm/ppc-opcode.h> #include <asm/export.h> -#ifdef CONFIG_DYNAMIC_FTRACE _GLOBAL(mcount) _GLOBAL(_mcount) EXPORT_SYMBOL(_mcount) @@ -23,34 +22,6 @@ EXPORT_SYMBOL(_mcount) mtlr r0 bctr -#else /* CONFIG_DYNAMIC_FTRACE */ -_GLOBAL_TOC(_mcount) -EXPORT_SYMBOL(_mcount) - /* Taken from output of objdump from lib64/glibc */ - mflr r3 - ld r11, 0(r1) - stdu r1, -112(r1) - std r3, 128(r1) - ld r4, 16(r11) - - subi r3, r3, MCOUNT_INSN_SIZE - LOAD_REG_ADDR(r5,ftrace_trace_function) - ld r5,0(r5) - ld r5,0(r5) - mtctr r5 - bctrl - nop - -#ifdef CONFIG_FUNCTION_GRAPH_TRACER - b ftrace_graph_caller -#endif - ld r0, 128(r1) - mtlr r0 - addi r1, r1, 112 -_GLOBAL(ftrace_stub) - blr -#endif /* CONFIG_DYNAMIC_FTRACE */ - #ifdef CONFIG_FUNCTION_GRAPH_TRACER _GLOBAL(return_to_handler) /* need to save return values */ diff --git a/arch/powerpc/kernel/trace/ftrace_64_mprofile.S b/arch/powerpc/kernel/trace/ftrace_64_mprofile.S index 3f3e81852422..9a5b5a513604 100644 --- a/arch/powerpc/kernel/trace/ftrace_64_mprofile.S +++ b/arch/powerpc/kernel/trace/ftrace_64_mprofile.S @@ -17,11 +17,10 @@ #include <asm/bug.h> #include <asm/ptrace.h> -#ifdef CONFIG_DYNAMIC_FTRACE /* * - * ftrace_caller() is the function that replaces _mcount() when ftrace is - * active. + * ftrace_caller()/ftrace_regs_caller() is the function that replaces _mcount() + * when ftrace is active. * * We arrive here after a function A calls function B, and we are the trace * function for B. When we enter r1 points to A's stack frame, B has not yet @@ -37,7 +36,7 @@ * Our job is to save the register state into a struct pt_regs (on the stack) * and then arrange for the ftrace function to be called. */ -_GLOBAL(ftrace_caller) +_GLOBAL(ftrace_regs_caller) /* Save the original return address in A's stack frame */ std r0,LRSAVE(r1) @@ -47,6 +46,12 @@ _GLOBAL(ftrace_caller) /* Save all gprs to pt_regs */ SAVE_GPR(0, r1) SAVE_10GPRS(2, r1) + + /* Ok to continue? */ + lbz r3, PACA_FTRACE_ENABLED(r13) + cmpdi r3, 0 + beq ftrace_no_trace + SAVE_10GPRS(12, r1) SAVE_10GPRS(22, r1) @@ -94,8 +99,8 @@ _GLOBAL(ftrace_caller) addi r6, r1 ,STACK_FRAME_OVERHEAD /* ftrace_call(r3, r4, r5, r6) */ -.globl ftrace_call -ftrace_call: +.globl ftrace_regs_call +ftrace_regs_call: bl ftrace_stub nop @@ -156,6 +161,7 @@ ftrace_call: bne- livepatch_handler #endif +ftrace_caller_common: #ifdef CONFIG_FUNCTION_GRAPH_TRACER .globl ftrace_graph_call ftrace_graph_call: @@ -168,6 +174,74 @@ _GLOBAL(ftrace_graph_stub) _GLOBAL(ftrace_stub) blr +ftrace_no_trace: + mflr r3 + mtctr r3 + REST_GPR(3, r1) + addi r1, r1, SWITCH_FRAME_SIZE + mtlr r0 + bctr + +_GLOBAL(ftrace_caller) + /* Save the original return address in A's stack frame */ + std r0, LRSAVE(r1) + + /* Create our stack frame + pt_regs */ + stdu r1, -SWITCH_FRAME_SIZE(r1) + + /* Save all gprs to pt_regs */ + SAVE_8GPRS(3, r1) + + lbz r3, PACA_FTRACE_ENABLED(r13) + cmpdi r3, 0 + beq ftrace_no_trace + + /* Get the _mcount() call site out of LR */ + mflr r7 + std r7, _NIP(r1) + + /* Save callee's TOC in the ABI compliant location */ + std r2, 24(r1) + ld r2, PACATOC(r13) /* get kernel TOC in r2 */ + + addis r3, r2, function_trace_op@toc@ha + addi r3, r3, function_trace_op@toc@l + ld r5, 0(r3) + + /* Calculate ip from nip-4 into r3 for call below */ + subi r3, r7, MCOUNT_INSN_SIZE + + /* Put the original return address in r4 as parent_ip */ + mr r4, r0 + + /* Set pt_regs to NULL */ + li r6, 0 + + /* ftrace_call(r3, r4, r5, r6) */ +.globl ftrace_call +ftrace_call: + bl ftrace_stub + nop + + ld r3, _NIP(r1) + mtctr r3 + + /* Restore gprs */ + REST_8GPRS(3,r1) + + /* Restore callee's TOC */ + ld r2, 24(r1) + + /* Pop our stack frame */ + addi r1, r1, SWITCH_FRAME_SIZE + + /* Reload original LR */ + ld r0, LRSAVE(r1) + mtlr r0 + + /* Handle function_graph or go back */ + b ftrace_caller_common + #ifdef CONFIG_LIVEPATCH /* * This function runs in the mcount context, between two functions. As @@ -236,8 +310,6 @@ livepatch_handler: blr #endif /* CONFIG_LIVEPATCH */ -#endif /* CONFIG_DYNAMIC_FTRACE */ - #ifdef CONFIG_FUNCTION_GRAPH_TRACER _GLOBAL(ftrace_graph_caller) stdu r1, -112(r1) diff --git a/arch/powerpc/kernel/trace/ftrace_64_pg.S b/arch/powerpc/kernel/trace/ftrace_64_pg.S index f095358da96e..4c515c4023de 100644 --- a/arch/powerpc/kernel/trace/ftrace_64_pg.S +++ b/arch/powerpc/kernel/trace/ftrace_64_pg.S @@ -14,8 +14,11 @@ #include <asm/ppc-opcode.h> #include <asm/export.h> -#ifdef CONFIG_DYNAMIC_FTRACE _GLOBAL_TOC(ftrace_caller) + lbz r3, PACA_FTRACE_ENABLED(r13) + cmpdi r3, 0 + beqlr + /* Taken from output of objdump from lib64/glibc */ mflr r3 ld r11, 0(r1) @@ -39,7 +42,6 @@ _GLOBAL(ftrace_graph_stub) _GLOBAL(ftrace_stub) blr -#endif /* CONFIG_DYNAMIC_FTRACE */ #ifdef CONFIG_FUNCTION_GRAPH_TRACER _GLOBAL(ftrace_graph_caller) diff --git a/arch/powerpc/kernel/vdso32/Makefile b/arch/powerpc/kernel/vdso32/Makefile index b8c434d1d459..50112d4473bb 100644 --- a/arch/powerpc/kernel/vdso32/Makefile +++ b/arch/powerpc/kernel/vdso32/Makefile @@ -8,8 +8,15 @@ obj-vdso32 = sigtramp.o gettimeofday.o datapage.o cacheflush.o note.o \ # Build rules -ifeq ($(CONFIG_PPC32),y) -CROSS32CC := $(CC) +ifdef CROSS32_COMPILE + VDSOCC := $(CROSS32_COMPILE)gcc +else + VDSOCC := $(CC) +endif + +CC32FLAGS := +ifdef CONFIG_PPC64 +CC32FLAGS += -m32 endif targets := $(obj-vdso32) vdso32.so vdso32.so.dbg @@ -45,9 +52,9 @@ $(obj-vdso32): %.o: %.S FORCE # actual build commands quiet_cmd_vdso32ld = VDSO32L $@ - cmd_vdso32ld = $(CROSS32CC) $(c_flags) -o $@ -Wl,-T$(filter %.lds,$^) $(filter %.o,$^) + cmd_vdso32ld = $(VDSOCC) $(c_flags) $(CC32FLAGS) -o $@ -Wl,-T$(filter %.lds,$^) $(filter %.o,$^) quiet_cmd_vdso32as = VDSO32A $@ - cmd_vdso32as = $(CROSS32CC) $(a_flags) -c -o $@ $< + cmd_vdso32as = $(VDSOCC) $(a_flags) $(CC32FLAGS) -c -o $@ $< # install commands for the unstripped file quiet_cmd_vdso_install = INSTALL $@ diff --git a/arch/powerpc/kernel/vecemu.c b/arch/powerpc/kernel/vecemu.c index 8812085883fd..4acd3fb2b38e 100644 --- a/arch/powerpc/kernel/vecemu.c +++ b/arch/powerpc/kernel/vecemu.c @@ -8,6 +8,7 @@ #include <linux/sched.h> #include <asm/ptrace.h> #include <asm/processor.h> +#include <asm/switch_to.h> #include <linux/uaccess.h> /* Functions in vector.S */ diff --git a/arch/powerpc/kernel/watchdog.c b/arch/powerpc/kernel/watchdog.c index 6256dc3b0087..1d82274f7e9f 100644 --- a/arch/powerpc/kernel/watchdog.c +++ b/arch/powerpc/kernel/watchdog.c @@ -64,7 +64,7 @@ * means the CPU(s) with their bit still set in the pending mask have had * their heartbeat stop, and action is taken. * - * Some platforms implement true NMI IPIs, which can by used by the SMP + * Some platforms implement true NMI IPIs, which can be used by the SMP * watchdog to detect an unresponsive CPU and pull it out of its stuck * state with the NMI IPI, to get crash/debug data from it. This way the * SMP watchdog can detect hardware interrupts off lockups. @@ -111,7 +111,13 @@ static inline void wd_smp_unlock(unsigned long *flags) static void wd_lockup_ipi(struct pt_regs *regs) { - pr_emerg("CPU %d Hard LOCKUP\n", raw_smp_processor_id()); + int cpu = raw_smp_processor_id(); + u64 tb = get_tb(); + + pr_emerg("CPU %d Hard LOCKUP\n", cpu); + pr_emerg("CPU %d TB:%lld, last heartbeat TB:%lld (%lldms ago)\n", + cpu, tb, per_cpu(wd_timer_tb, cpu), + tb_to_ns(tb - per_cpu(wd_timer_tb, cpu)) / 1000000); print_modules(); print_irqtrace_events(current); if (regs) @@ -154,6 +160,9 @@ static void watchdog_smp_panic(int cpu, u64 tb) pr_emerg("CPU %d detected hard LOCKUP on other CPUs %*pbl\n", cpu, cpumask_pr_args(&wd_smp_cpus_pending)); + pr_emerg("CPU %d TB:%lld, last SMP heartbeat TB:%lld (%lldms ago)\n", + cpu, tb, wd_smp_last_reset_tb, + tb_to_ns(tb - wd_smp_last_reset_tb) / 1000000); if (!sysctl_hardlockup_all_cpu_backtrace) { /* @@ -194,10 +203,19 @@ static void wd_smp_clear_cpu_pending(int cpu, u64 tb) { if (!cpumask_test_cpu(cpu, &wd_smp_cpus_pending)) { if (unlikely(cpumask_test_cpu(cpu, &wd_smp_cpus_stuck))) { + struct pt_regs *regs = get_irq_regs(); unsigned long flags; - pr_emerg("CPU %d became unstuck\n", cpu); wd_smp_lock(&flags); + + pr_emerg("CPU %d became unstuck TB:%lld\n", + cpu, tb); + print_irqtrace_events(current); + if (regs) + show_regs(regs); + else + dump_stack(); + cpumask_clear_cpu(cpu, &wd_smp_cpus_stuck); wd_smp_unlock(&flags); } @@ -245,8 +263,6 @@ void soft_nmi_interrupt(struct pt_regs *regs) tb = get_tb(); if (tb - per_cpu(wd_timer_tb, cpu) >= wd_panic_timeout_tb) { - per_cpu(wd_timer_tb, cpu) = tb; - wd_smp_lock(&flags); if (cpumask_test_cpu(cpu, &wd_smp_cpus_stuck)) { wd_smp_unlock(&flags); @@ -254,7 +270,11 @@ void soft_nmi_interrupt(struct pt_regs *regs) } set_cpu_stuck(cpu, tb); - pr_emerg("CPU %d self-detected hard LOCKUP @ %pS\n", cpu, (void *)regs->nip); + pr_emerg("CPU %d self-detected hard LOCKUP @ %pS\n", + cpu, (void *)regs->nip); + pr_emerg("CPU %d TB:%lld, last heartbeat TB:%lld (%lldms ago)\n", + cpu, tb, per_cpu(wd_timer_tb, cpu), + tb_to_ns(tb - per_cpu(wd_timer_tb, cpu)) / 1000000); print_modules(); print_irqtrace_events(current); show_regs(regs); diff --git a/arch/powerpc/kvm/book3s_64_mmu_radix.c b/arch/powerpc/kvm/book3s_64_mmu_radix.c index a57eafec4dc2..ccdf3761eec0 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_radix.c +++ b/arch/powerpc/kvm/book3s_64_mmu_radix.c @@ -200,6 +200,7 @@ void kvmppc_radix_set_pte_at(struct kvm *kvm, unsigned long addr, } static struct kmem_cache *kvm_pte_cache; +static struct kmem_cache *kvm_pmd_cache; static pte_t *kvmppc_pte_alloc(void) { @@ -217,6 +218,16 @@ static inline int pmd_is_leaf(pmd_t pmd) return !!(pmd_val(pmd) & _PAGE_PTE); } +static pmd_t *kvmppc_pmd_alloc(void) +{ + return kmem_cache_alloc(kvm_pmd_cache, GFP_KERNEL); +} + +static void kvmppc_pmd_free(pmd_t *pmdp) +{ + kmem_cache_free(kvm_pmd_cache, pmdp); +} + static int kvmppc_create_pte(struct kvm *kvm, pte_t pte, unsigned long gpa, unsigned int level, unsigned long mmu_seq) { @@ -239,7 +250,7 @@ static int kvmppc_create_pte(struct kvm *kvm, pte_t pte, unsigned long gpa, if (pud && pud_present(*pud) && !pud_huge(*pud)) pmd = pmd_offset(pud, gpa); else if (level <= 1) - new_pmd = pmd_alloc_one(kvm->mm, gpa); + new_pmd = kvmppc_pmd_alloc(); if (level == 0 && !(pmd && pmd_present(*pmd) && !pmd_is_leaf(*pmd))) new_ptep = kvmppc_pte_alloc(); @@ -382,7 +393,7 @@ static int kvmppc_create_pte(struct kvm *kvm, pte_t pte, unsigned long gpa, if (new_pud) pud_free(kvm->mm, new_pud); if (new_pmd) - pmd_free(kvm->mm, new_pmd); + kvmppc_pmd_free(new_pmd); if (new_ptep) kvmppc_pte_free(new_ptep); return ret; @@ -758,7 +769,7 @@ void kvmppc_free_radix(struct kvm *kvm) kvmppc_pte_free(pte); pmd_clear(pmd); } - pmd_free(kvm->mm, pmd_offset(pud, 0)); + kvmppc_pmd_free(pmd_offset(pud, 0)); pud_clear(pud); } pud_free(kvm->mm, pud_offset(pgd, 0)); @@ -770,20 +781,35 @@ void kvmppc_free_radix(struct kvm *kvm) static void pte_ctor(void *addr) { - memset(addr, 0, PTE_TABLE_SIZE); + memset(addr, 0, RADIX_PTE_TABLE_SIZE); +} + +static void pmd_ctor(void *addr) +{ + memset(addr, 0, RADIX_PMD_TABLE_SIZE); } int kvmppc_radix_init(void) { - unsigned long size = sizeof(void *) << PTE_INDEX_SIZE; + unsigned long size = sizeof(void *) << RADIX_PTE_INDEX_SIZE; kvm_pte_cache = kmem_cache_create("kvm-pte", size, size, 0, pte_ctor); if (!kvm_pte_cache) return -ENOMEM; + + size = sizeof(void *) << RADIX_PMD_INDEX_SIZE; + + kvm_pmd_cache = kmem_cache_create("kvm-pmd", size, size, 0, pmd_ctor); + if (!kvm_pmd_cache) { + kmem_cache_destroy(kvm_pte_cache); + return -ENOMEM; + } + return 0; } void kvmppc_radix_exit(void) { kmem_cache_destroy(kvm_pte_cache); + kmem_cache_destroy(kvm_pmd_cache); } diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 4d07fca5121c..f604cbd8fc34 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -2911,8 +2911,12 @@ static noinline void kvmppc_run_core(struct kvmppc_vcore *vc) srcu_idx = srcu_read_lock(&vc->kvm->srcu); + this_cpu_disable_ftrace(); + trap = __kvmppc_vcore_entry(); + this_cpu_enable_ftrace(); + srcu_read_unlock(&vc->kvm->srcu, srcu_idx); trace_hardirqs_off(); diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S index bd63fa8a08b5..2c3cbe0067b2 100644 --- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S +++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S @@ -342,6 +342,9 @@ kvm_start_guest: ld r2,PACATOC(r13) + li r0,0 + stb r0,PACA_FTRACE_ENABLED(r13) + li r0,KVM_HWTHREAD_IN_KVM stb r0,HSTATE_HWTHREAD_STATE(r13) diff --git a/arch/powerpc/lib/feature-fixups-test.S b/arch/powerpc/lib/feature-fixups-test.S index f4613118132e..f16cec989506 100644 --- a/arch/powerpc/lib/feature-fixups-test.S +++ b/arch/powerpc/lib/feature-fixups-test.S @@ -167,16 +167,52 @@ globl(ftr_fixup_test6_expected) blt 2b b 3f b 1b -2: or 1,1,1 +3: or 1,1,1 + or 2,2,2 + or 3,3,3 + +globl(ftr_fixup_test7) + or 1,1,1 +BEGIN_FTR_SECTION + or 2,2,2 + or 2,2,2 or 2,2,2 -3: or 3,3,3 + or 2,2,2 + or 2,2,2 + or 2,2,2 + or 2,2,2 +FTR_SECTION_ELSE +2: b 3f +3: or 5,5,5 + beq 3b + b 1f + or 6,6,6 + b 2b + bdnz 3b +1: +ALT_FTR_SECTION_END(0, 1) + or 1,1,1 + or 1,1,1 + +globl(end_ftr_fixup_test7) + nop +globl(ftr_fixup_test7_expected) + or 1,1,1 +2: b 3f +3: or 5,5,5 + beq 3b + b 1f + or 6,6,6 + b 2b + bdnz 3b +1: or 1,1,1 #if 0 /* Test that if we have a larger else case the assembler spots it and * reports an error. #if 0'ed so as not to break the build normally. */ -ftr_fixup_test7: +ftr_fixup_test_too_big: or 1,1,1 BEGIN_FTR_SECTION or 2,2,2 diff --git a/arch/powerpc/lib/feature-fixups.c b/arch/powerpc/lib/feature-fixups.c index 288fe4f0db4e..f3e46d4edd72 100644 --- a/arch/powerpc/lib/feature-fixups.c +++ b/arch/powerpc/lib/feature-fixups.c @@ -285,7 +285,7 @@ static void test_basic_patching(void) extern unsigned int end_ftr_fixup_test1[]; extern unsigned int ftr_fixup_test1_orig[]; extern unsigned int ftr_fixup_test1_expected[]; - int size = end_ftr_fixup_test1 - ftr_fixup_test1; + int size = 4 * (end_ftr_fixup_test1 - ftr_fixup_test1); fixup.value = fixup.mask = 8; fixup.start_off = calc_offset(&fixup, ftr_fixup_test1 + 1); @@ -317,7 +317,7 @@ static void test_alternative_patching(void) extern unsigned int ftr_fixup_test2_orig[]; extern unsigned int ftr_fixup_test2_alt[]; extern unsigned int ftr_fixup_test2_expected[]; - int size = end_ftr_fixup_test2 - ftr_fixup_test2; + int size = 4 * (end_ftr_fixup_test2 - ftr_fixup_test2); fixup.value = fixup.mask = 0xF; fixup.start_off = calc_offset(&fixup, ftr_fixup_test2 + 1); @@ -349,7 +349,7 @@ static void test_alternative_case_too_big(void) extern unsigned int end_ftr_fixup_test3[]; extern unsigned int ftr_fixup_test3_orig[]; extern unsigned int ftr_fixup_test3_alt[]; - int size = end_ftr_fixup_test3 - ftr_fixup_test3; + int size = 4 * (end_ftr_fixup_test3 - ftr_fixup_test3); fixup.value = fixup.mask = 0xC; fixup.start_off = calc_offset(&fixup, ftr_fixup_test3 + 1); @@ -376,7 +376,7 @@ static void test_alternative_case_too_small(void) extern unsigned int ftr_fixup_test4_orig[]; extern unsigned int ftr_fixup_test4_alt[]; extern unsigned int ftr_fixup_test4_expected[]; - int size = end_ftr_fixup_test4 - ftr_fixup_test4; + int size = 4 * (end_ftr_fixup_test4 - ftr_fixup_test4); unsigned long flag; /* Check a high-bit flag */ @@ -410,7 +410,7 @@ static void test_alternative_case_with_branch(void) extern unsigned int ftr_fixup_test5[]; extern unsigned int end_ftr_fixup_test5[]; extern unsigned int ftr_fixup_test5_expected[]; - int size = end_ftr_fixup_test5 - ftr_fixup_test5; + int size = 4 * (end_ftr_fixup_test5 - ftr_fixup_test5); check(memcmp(ftr_fixup_test5, ftr_fixup_test5_expected, size) == 0); } @@ -420,11 +420,21 @@ static void test_alternative_case_with_external_branch(void) extern unsigned int ftr_fixup_test6[]; extern unsigned int end_ftr_fixup_test6[]; extern unsigned int ftr_fixup_test6_expected[]; - int size = end_ftr_fixup_test6 - ftr_fixup_test6; + int size = 4 * (end_ftr_fixup_test6 - ftr_fixup_test6); check(memcmp(ftr_fixup_test6, ftr_fixup_test6_expected, size) == 0); } +static void test_alternative_case_with_branch_to_end(void) +{ + extern unsigned int ftr_fixup_test7[]; + extern unsigned int end_ftr_fixup_test7[]; + extern unsigned int ftr_fixup_test7_expected[]; + int size = 4 * (end_ftr_fixup_test7 - ftr_fixup_test7); + + check(memcmp(ftr_fixup_test7, ftr_fixup_test7_expected, size) == 0); +} + static void test_cpu_macros(void) { extern u8 ftr_fixup_test_FTR_macros[]; @@ -480,6 +490,7 @@ static int __init test_feature_fixups(void) test_alternative_case_too_small(); test_alternative_case_with_branch(); test_alternative_case_with_external_branch(); + test_alternative_case_with_branch_to_end(); test_cpu_macros(); test_fw_macros(); test_lwsync_macros(); diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c index 34d68f1b1b40..49427a3ee104 100644 --- a/arch/powerpc/lib/sstep.c +++ b/arch/powerpc/lib/sstep.c @@ -1065,9 +1065,10 @@ static nokprobe_inline void do_popcnt(const struct pt_regs *regs, { unsigned long long out = v1; - out -= (out >> 1) & 0x5555555555555555; - out = (0x3333333333333333 & out) + (0x3333333333333333 & (out >> 2)); - out = (out + (out >> 4)) & 0x0f0f0f0f0f0f0f0f; + out -= (out >> 1) & 0x5555555555555555ULL; + out = (0x3333333333333333ULL & out) + + (0x3333333333333333ULL & (out >> 2)); + out = (out + (out >> 4)) & 0x0f0f0f0f0f0f0f0fULL; if (size == 8) { /* popcntb */ op->val = out; @@ -1076,7 +1077,7 @@ static nokprobe_inline void do_popcnt(const struct pt_regs *regs, out += out >> 8; out += out >> 16; if (size == 32) { /* popcntw */ - op->val = out & 0x0000003f0000003f; + op->val = out & 0x0000003f0000003fULL; return; } @@ -1114,7 +1115,7 @@ static nokprobe_inline void do_prty(const struct pt_regs *regs, res ^= res >> 16; if (size == 32) { /* prtyw */ - op->val = res & 0x0000000100000001; + op->val = res & 0x0000000100000001ULL; return; } diff --git a/arch/powerpc/lib/xor_vmx_glue.c b/arch/powerpc/lib/xor_vmx_glue.c index 6521fe5e8cef..dab2b6bfcf36 100644 --- a/arch/powerpc/lib/xor_vmx_glue.c +++ b/arch/powerpc/lib/xor_vmx_glue.c @@ -13,6 +13,7 @@ #include <linux/export.h> #include <linux/sched.h> #include <asm/switch_to.h> +#include <asm/xor_altivec.h> #include "xor_vmx.h" void xor_altivec_2(unsigned long bytes, unsigned long *v1_in, diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index c01d627e687a..3fafacd3f907 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -22,6 +22,7 @@ #include <linux/errno.h> #include <linux/string.h> #include <linux/types.h> +#include <linux/pagemap.h> #include <linux/ptrace.h> #include <linux/mman.h> #include <linux/mm.h> @@ -66,37 +67,33 @@ static inline bool notify_page_fault(struct pt_regs *regs) } /* - * Check whether the instruction at regs->nip is a store using + * Check whether the instruction inst is a store using * an update addressing form which will update r1. */ -static bool store_updates_sp(struct pt_regs *regs) +static bool store_updates_sp(unsigned int inst) { - unsigned int inst; - - if (get_user(inst, (unsigned int __user *)regs->nip)) - return false; /* check for 1 in the rA field */ if (((inst >> 16) & 0x1f) != 1) return false; /* check major opcode */ switch (inst >> 26) { - case 37: /* stwu */ - case 39: /* stbu */ - case 45: /* sthu */ - case 53: /* stfsu */ - case 55: /* stfdu */ + case OP_STWU: + case OP_STBU: + case OP_STHU: + case OP_STFSU: + case OP_STFDU: return true; - case 62: /* std or stdu */ + case OP_STD: /* std or stdu */ return (inst & 3) == 1; - case 31: + case OP_31: /* check minor opcode */ switch ((inst >> 1) & 0x3ff) { - case 181: /* stdux */ - case 183: /* stwux */ - case 247: /* stbux */ - case 439: /* sthux */ - case 695: /* stfsux */ - case 759: /* stfdux */ + case OP_31_XOP_STDUX: + case OP_31_XOP_STWUX: + case OP_31_XOP_STBUX: + case OP_31_XOP_STHUX: + case OP_31_XOP_STFSUX: + case OP_31_XOP_STFDUX: return true; } } @@ -234,8 +231,8 @@ static bool bad_kernel_fault(bool is_exec, unsigned long error_code, } static bool bad_stack_expansion(struct pt_regs *regs, unsigned long address, - struct vm_area_struct *vma, - bool store_update_sp) + struct vm_area_struct *vma, unsigned int flags, + bool *must_retry) { /* * N.B. The POWER/Open ABI allows programs to access up to @@ -247,6 +244,7 @@ static bool bad_stack_expansion(struct pt_regs *regs, unsigned long address, * expand to 1MB without further checks. */ if (address + 0x100000 < vma->vm_end) { + unsigned int __user *nip = (unsigned int __user *)regs->nip; /* get user regs even if this fault is in kernel mode */ struct pt_regs *uregs = current->thread.regs; if (uregs == NULL) @@ -264,8 +262,22 @@ static bool bad_stack_expansion(struct pt_regs *regs, unsigned long address, * between the last mapped region and the stack will * expand the stack rather than segfaulting. */ - if (address + 2048 < uregs->gpr[1] && !store_update_sp) - return true; + if (address + 2048 >= uregs->gpr[1]) + return false; + + if ((flags & FAULT_FLAG_WRITE) && (flags & FAULT_FLAG_USER) && + access_ok(VERIFY_READ, nip, sizeof(*nip))) { + unsigned int inst; + int res; + + pagefault_disable(); + res = __get_user_inatomic(inst, nip); + pagefault_enable(); + if (!res) + return !store_updates_sp(inst); + *must_retry = true; + } + return true; } return false; } @@ -403,7 +415,7 @@ static int __do_page_fault(struct pt_regs *regs, unsigned long address, int is_user = user_mode(regs); int is_write = page_fault_is_write(error_code); int fault, major = 0; - bool store_update_sp = false; + bool must_retry = false; if (notify_page_fault(regs)) return 0; @@ -454,9 +466,6 @@ static int __do_page_fault(struct pt_regs *regs, unsigned long address, * can result in fault, which will cause a deadlock when called with * mmap_sem held */ - if (is_write && is_user) - store_update_sp = store_updates_sp(regs); - if (is_user) flags |= FAULT_FLAG_USER; if (is_write) @@ -503,8 +512,17 @@ retry: return bad_area(regs, address); /* The stack is being expanded, check if it's valid */ - if (unlikely(bad_stack_expansion(regs, address, vma, store_update_sp))) - return bad_area(regs, address); + if (unlikely(bad_stack_expansion(regs, address, vma, flags, + &must_retry))) { + if (!must_retry) + return bad_area(regs, address); + + up_read(&mm->mmap_sem); + if (fault_in_pages_readable((const char __user *)regs->nip, + sizeof(unsigned int))) + return bad_area_nosemaphore(regs, address); + goto retry; + } /* Try to expand it */ if (unlikely(expand_stack(vma, address))) diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c index 0bd3790d35df..8318716e5075 100644 --- a/arch/powerpc/mm/hash_utils_64.c +++ b/arch/powerpc/mm/hash_utils_64.c @@ -64,6 +64,7 @@ #include <asm/trace.h> #include <asm/ps3.h> #include <asm/pte-walk.h> +#include <asm/asm-prototypes.h> #ifdef DEBUG #define DBG(fmt...) udbg_printf(fmt) @@ -572,8 +573,10 @@ static void __init htab_scan_page_sizes(void) } #ifdef CONFIG_HUGETLB_PAGE - /* Reserve 16G huge page memory sections for huge pages */ - of_scan_flat_dt(htab_dt_scan_hugepage_blocks, NULL); + if (!hugetlb_disabled) { + /* Reserve 16G huge page memory sections for huge pages */ + of_scan_flat_dt(htab_dt_scan_hugepage_blocks, NULL); + } #endif /* CONFIG_HUGETLB_PAGE */ } @@ -1010,13 +1013,14 @@ void __init hash__early_init_mmu(void) */ __pte_frag_nr = H_PTE_FRAG_NR; __pte_frag_size_shift = H_PTE_FRAG_SIZE_SHIFT; + __pmd_frag_nr = H_PMD_FRAG_NR; + __pmd_frag_size_shift = H_PMD_FRAG_SIZE_SHIFT; __pte_index_size = H_PTE_INDEX_SIZE; __pmd_index_size = H_PMD_INDEX_SIZE; __pud_index_size = H_PUD_INDEX_SIZE; __pgd_index_size = H_PGD_INDEX_SIZE; __pud_cache_index = H_PUD_CACHE_INDEX; - __pmd_cache_index = H_PMD_CACHE_INDEX; __pte_table_size = H_PTE_TABLE_SIZE; __pmd_table_size = H_PMD_TABLE_SIZE; __pud_table_size = H_PUD_TABLE_SIZE; diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c index f1153f8254e3..2a4b1bf8bde6 100644 --- a/arch/powerpc/mm/hugetlbpage.c +++ b/arch/powerpc/mm/hugetlbpage.c @@ -35,6 +35,8 @@ #define PAGE_SHIFT_16M 24 #define PAGE_SHIFT_16G 34 +bool hugetlb_disabled = false; + unsigned int HPAGE_SHIFT; EXPORT_SYMBOL(HPAGE_SHIFT); @@ -651,6 +653,11 @@ static int __init hugetlbpage_init(void) { int psize; + if (hugetlb_disabled) { + pr_info("HugeTLB support is disabled!\n"); + return 0; + } + #if !defined(CONFIG_PPC_FSL_BOOK3E) && !defined(CONFIG_PPC_8xx) if (!radix_enabled() && !mmu_has_feature(MMU_FTR_16M_PAGE)) return -ENODEV; diff --git a/arch/powerpc/mm/mmu_context_book3s64.c b/arch/powerpc/mm/mmu_context_book3s64.c index b75194dff64c..f3d4b4a0e561 100644 --- a/arch/powerpc/mm/mmu_context_book3s64.c +++ b/arch/powerpc/mm/mmu_context_book3s64.c @@ -159,9 +159,8 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm) mm->context.id = index; -#ifdef CONFIG_PPC_64K_PAGES mm->context.pte_frag = NULL; -#endif + mm->context.pmd_frag = NULL; #ifdef CONFIG_SPAPR_TCE_IOMMU mm_iommu_init(mm); #endif @@ -192,17 +191,11 @@ static void destroy_contexts(mm_context_t *ctx) spin_unlock(&mmu_context_lock); } -#ifdef CONFIG_PPC_64K_PAGES -static void destroy_pagetable_page(struct mm_struct *mm) +static void pte_frag_destroy(void *pte_frag) { int count; - void *pte_frag; struct page *page; - pte_frag = mm->context.pte_frag; - if (!pte_frag) - return; - page = virt_to_page(pte_frag); /* drop all the pending references */ count = ((unsigned long)pte_frag & ~PAGE_MASK) >> PTE_FRAG_SIZE_SHIFT; @@ -213,12 +206,34 @@ static void destroy_pagetable_page(struct mm_struct *mm) } } -#else -static inline void destroy_pagetable_page(struct mm_struct *mm) +static void pmd_frag_destroy(void *pmd_frag) { + int count; + struct page *page; + + page = virt_to_page(pmd_frag); + /* drop all the pending references */ + count = ((unsigned long)pmd_frag & ~PAGE_MASK) >> PMD_FRAG_SIZE_SHIFT; + /* We allow PTE_FRAG_NR fragments from a PTE page */ + if (page_ref_sub_and_test(page, PMD_FRAG_NR - count)) { + pgtable_pmd_page_dtor(page); + free_unref_page(page); + } +} + +static void destroy_pagetable_page(struct mm_struct *mm) +{ + void *frag; + + frag = mm->context.pte_frag; + if (frag) + pte_frag_destroy(frag); + + frag = mm->context.pmd_frag; + if (frag) + pmd_frag_destroy(frag); return; } -#endif void destroy_context(struct mm_struct *mm) { diff --git a/arch/powerpc/mm/pgtable-book3s64.c b/arch/powerpc/mm/pgtable-book3s64.c index 518518fb7c45..abda2b92f1ba 100644 --- a/arch/powerpc/mm/pgtable-book3s64.c +++ b/arch/powerpc/mm/pgtable-book3s64.c @@ -9,14 +9,22 @@ #include <linux/sched.h> #include <linux/mm_types.h> +#include <linux/memblock.h> #include <misc/cxl-base.h> #include <asm/pgalloc.h> #include <asm/tlb.h> +#include <asm/trace.h> +#include <asm/powernv.h> #include "mmu_decl.h" #include <trace/events/thp.h> +unsigned long __pmd_frag_nr; +EXPORT_SYMBOL(__pmd_frag_nr); +unsigned long __pmd_frag_size_shift; +EXPORT_SYMBOL(__pmd_frag_size_shift); + int (*register_process_table)(unsigned long base, unsigned long page_size, unsigned long tbl_size); @@ -34,7 +42,7 @@ int pmdp_set_access_flags(struct vm_area_struct *vma, unsigned long address, int changed; #ifdef CONFIG_DEBUG_VM WARN_ON(!pmd_trans_huge(*pmdp) && !pmd_devmap(*pmdp)); - assert_spin_locked(&vma->vm_mm->page_table_lock); + assert_spin_locked(pmd_lockptr(vma->vm_mm, pmdp)); #endif changed = !pmd_same(*(pmdp), entry); if (changed) { @@ -59,7 +67,7 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr, { #ifdef CONFIG_DEBUG_VM WARN_ON(pte_present(pmd_pte(*pmdp)) && !pte_protnone(pmd_pte(*pmdp))); - assert_spin_locked(&mm->page_table_lock); + assert_spin_locked(pmd_lockptr(mm, pmdp)); WARN_ON(!(pmd_trans_huge(pmd) || pmd_devmap(pmd))); #endif trace_hugepage_set_pmd(addr, pmd_val(pmd)); @@ -171,3 +179,258 @@ int __meminit remove_section_mapping(unsigned long start, unsigned long end) return hash__remove_section_mapping(start, end); } #endif /* CONFIG_MEMORY_HOTPLUG */ + +void __init mmu_partition_table_init(void) +{ + unsigned long patb_size = 1UL << PATB_SIZE_SHIFT; + unsigned long ptcr; + + BUILD_BUG_ON_MSG((PATB_SIZE_SHIFT > 36), "Partition table size too large."); + partition_tb = __va(memblock_alloc_base(patb_size, patb_size, + MEMBLOCK_ALLOC_ANYWHERE)); + + /* Initialize the Partition Table with no entries */ + memset((void *)partition_tb, 0, patb_size); + + /* + * update partition table control register, + * 64 K size. + */ + ptcr = __pa(partition_tb) | (PATB_SIZE_SHIFT - 12); + mtspr(SPRN_PTCR, ptcr); + powernv_set_nmmu_ptcr(ptcr); +} + +void mmu_partition_table_set_entry(unsigned int lpid, unsigned long dw0, + unsigned long dw1) +{ + unsigned long old = be64_to_cpu(partition_tb[lpid].patb0); + + partition_tb[lpid].patb0 = cpu_to_be64(dw0); + partition_tb[lpid].patb1 = cpu_to_be64(dw1); + + /* + * Global flush of TLBs and partition table caches for this lpid. + * The type of flush (hash or radix) depends on what the previous + * use of this partition ID was, not the new use. + */ + asm volatile("ptesync" : : : "memory"); + if (old & PATB_HR) { + asm volatile(PPC_TLBIE_5(%0,%1,2,0,1) : : + "r" (TLBIEL_INVAL_SET_LPID), "r" (lpid)); + asm volatile(PPC_TLBIE_5(%0,%1,2,1,1) : : + "r" (TLBIEL_INVAL_SET_LPID), "r" (lpid)); + trace_tlbie(lpid, 0, TLBIEL_INVAL_SET_LPID, lpid, 2, 0, 1); + } else { + asm volatile(PPC_TLBIE_5(%0,%1,2,0,0) : : + "r" (TLBIEL_INVAL_SET_LPID), "r" (lpid)); + trace_tlbie(lpid, 0, TLBIEL_INVAL_SET_LPID, lpid, 2, 0, 0); + } + /* do we need fixup here ?*/ + asm volatile("eieio; tlbsync; ptesync" : : : "memory"); +} +EXPORT_SYMBOL_GPL(mmu_partition_table_set_entry); + +static pmd_t *get_pmd_from_cache(struct mm_struct *mm) +{ + void *pmd_frag, *ret; + + spin_lock(&mm->page_table_lock); + ret = mm->context.pmd_frag; + if (ret) { + pmd_frag = ret + PMD_FRAG_SIZE; + /* + * If we have taken up all the fragments mark PTE page NULL + */ + if (((unsigned long)pmd_frag & ~PAGE_MASK) == 0) + pmd_frag = NULL; + mm->context.pmd_frag = pmd_frag; + } + spin_unlock(&mm->page_table_lock); + return (pmd_t *)ret; +} + +static pmd_t *__alloc_for_pmdcache(struct mm_struct *mm) +{ + void *ret = NULL; + struct page *page; + gfp_t gfp = GFP_KERNEL_ACCOUNT | __GFP_ZERO; + + if (mm == &init_mm) + gfp &= ~__GFP_ACCOUNT; + page = alloc_page(gfp); + if (!page) + return NULL; + if (!pgtable_pmd_page_ctor(page)) { + __free_pages(page, 0); + return NULL; + } + + ret = page_address(page); + /* + * if we support only one fragment just return the + * allocated page. + */ + if (PMD_FRAG_NR == 1) + return ret; + + spin_lock(&mm->page_table_lock); + /* + * If we find pgtable_page set, we return + * the allocated page with single fragement + * count. + */ + if (likely(!mm->context.pmd_frag)) { + set_page_count(page, PMD_FRAG_NR); + mm->context.pmd_frag = ret + PMD_FRAG_SIZE; + } + spin_unlock(&mm->page_table_lock); + + return (pmd_t *)ret; +} + +pmd_t *pmd_fragment_alloc(struct mm_struct *mm, unsigned long vmaddr) +{ + pmd_t *pmd; + + pmd = get_pmd_from_cache(mm); + if (pmd) + return pmd; + + return __alloc_for_pmdcache(mm); +} + +void pmd_fragment_free(unsigned long *pmd) +{ + struct page *page = virt_to_page(pmd); + + if (put_page_testzero(page)) { + pgtable_pmd_page_dtor(page); + free_unref_page(page); + } +} + +static pte_t *get_pte_from_cache(struct mm_struct *mm) +{ + void *pte_frag, *ret; + + spin_lock(&mm->page_table_lock); + ret = mm->context.pte_frag; + if (ret) { + pte_frag = ret + PTE_FRAG_SIZE; + /* + * If we have taken up all the fragments mark PTE page NULL + */ + if (((unsigned long)pte_frag & ~PAGE_MASK) == 0) + pte_frag = NULL; + mm->context.pte_frag = pte_frag; + } + spin_unlock(&mm->page_table_lock); + return (pte_t *)ret; +} + +static pte_t *__alloc_for_ptecache(struct mm_struct *mm, int kernel) +{ + void *ret = NULL; + struct page *page; + + if (!kernel) { + page = alloc_page(PGALLOC_GFP | __GFP_ACCOUNT); + if (!page) + return NULL; + if (!pgtable_page_ctor(page)) { + __free_page(page); + return NULL; + } + } else { + page = alloc_page(PGALLOC_GFP); + if (!page) + return NULL; + } + + + ret = page_address(page); + /* + * if we support only one fragment just return the + * allocated page. + */ + if (PTE_FRAG_NR == 1) + return ret; + spin_lock(&mm->page_table_lock); + /* + * If we find pgtable_page set, we return + * the allocated page with single fragement + * count. + */ + if (likely(!mm->context.pte_frag)) { + set_page_count(page, PTE_FRAG_NR); + mm->context.pte_frag = ret + PTE_FRAG_SIZE; + } + spin_unlock(&mm->page_table_lock); + + return (pte_t *)ret; +} + +pte_t *pte_fragment_alloc(struct mm_struct *mm, unsigned long vmaddr, int kernel) +{ + pte_t *pte; + + pte = get_pte_from_cache(mm); + if (pte) + return pte; + + return __alloc_for_ptecache(mm, kernel); +} + +void pte_fragment_free(unsigned long *table, int kernel) +{ + struct page *page = virt_to_page(table); + + if (put_page_testzero(page)) { + if (!kernel) + pgtable_page_dtor(page); + free_unref_page(page); + } +} + +static inline void pgtable_free(void *table, int index) +{ + switch (index) { + case PTE_INDEX: + pte_fragment_free(table, 0); + break; + case PMD_INDEX: + pmd_fragment_free(table); + break; + case PUD_INDEX: + kmem_cache_free(PGT_CACHE(PUD_CACHE_INDEX), table); + break; + /* We don't free pgd table via RCU callback */ + default: + BUG(); + } +} + +#ifdef CONFIG_SMP +void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int index) +{ + unsigned long pgf = (unsigned long)table; + + BUG_ON(index > MAX_PGTABLE_INDEX_SIZE); + pgf |= index; + tlb_remove_table(tlb, (void *)pgf); +} + +void __tlb_remove_table(void *_table) +{ + void *table = (void *)((unsigned long)_table & ~MAX_PGTABLE_INDEX_SIZE); + unsigned int index = (unsigned long)_table & MAX_PGTABLE_INDEX_SIZE; + + return pgtable_free(table, index); +} +#else +void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int index) +{ + return pgtable_free(table, index); +} +#endif diff --git a/arch/powerpc/mm/pgtable-hash64.c b/arch/powerpc/mm/pgtable-hash64.c index 199bfda5f0d9..692bfc9e372c 100644 --- a/arch/powerpc/mm/pgtable-hash64.c +++ b/arch/powerpc/mm/pgtable-hash64.c @@ -193,7 +193,7 @@ unsigned long hash__pmd_hugepage_update(struct mm_struct *mm, unsigned long addr #ifdef CONFIG_DEBUG_VM WARN_ON(!hash__pmd_trans_huge(*pmdp) && !pmd_devmap(*pmdp)); - assert_spin_locked(&mm->page_table_lock); + assert_spin_locked(pmd_lockptr(mm, pmdp)); #endif __asm__ __volatile__( @@ -265,7 +265,8 @@ void hash__pgtable_trans_huge_deposit(struct mm_struct *mm, pmd_t *pmdp, pgtable_t pgtable) { pgtable_t *pgtable_slot; - assert_spin_locked(&mm->page_table_lock); + + assert_spin_locked(pmd_lockptr(mm, pmdp)); /* * we store the pgtable in the second half of PMD */ @@ -285,7 +286,8 @@ pgtable_t hash__pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp) pgtable_t pgtable; pgtable_t *pgtable_slot; - assert_spin_locked(&mm->page_table_lock); + assert_spin_locked(pmd_lockptr(mm, pmdp)); + pgtable_slot = (pgtable_t *)pmdp + PTRS_PER_PMD; pgtable = *pgtable_slot; /* diff --git a/arch/powerpc/mm/pgtable-radix.c b/arch/powerpc/mm/pgtable-radix.c index f1891e215e39..ce24d72ea679 100644 --- a/arch/powerpc/mm/pgtable-radix.c +++ b/arch/powerpc/mm/pgtable-radix.c @@ -617,7 +617,6 @@ void __init radix__early_init_mmu(void) __pud_index_size = RADIX_PUD_INDEX_SIZE; __pgd_index_size = RADIX_PGD_INDEX_SIZE; __pud_cache_index = RADIX_PUD_INDEX_SIZE; - __pmd_cache_index = RADIX_PMD_INDEX_SIZE; __pte_table_size = RADIX_PTE_TABLE_SIZE; __pmd_table_size = RADIX_PMD_TABLE_SIZE; __pud_table_size = RADIX_PUD_TABLE_SIZE; @@ -640,6 +639,8 @@ void __init radix__early_init_mmu(void) #endif __pte_frag_nr = RADIX_PTE_FRAG_NR; __pte_frag_size_shift = RADIX_PTE_FRAG_SIZE_SHIFT; + __pmd_frag_nr = RADIX_PMD_FRAG_NR; + __pmd_frag_size_shift = RADIX_PMD_FRAG_SIZE_SHIFT; if (!firmware_has_feature(FW_FEATURE_LPAR)) { radix_init_native(); @@ -975,7 +976,7 @@ unsigned long radix__pmd_hugepage_update(struct mm_struct *mm, unsigned long add #ifdef CONFIG_DEBUG_VM WARN_ON(!radix__pmd_trans_huge(*pmdp) && !pmd_devmap(*pmdp)); - assert_spin_locked(&mm->page_table_lock); + assert_spin_locked(pmd_lockptr(mm, pmdp)); #endif old = radix__pte_update(mm, addr, (pte_t *)pmdp, clr, set, 1); diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c index 9bf659d5078c..53e9eeecd5d4 100644 --- a/arch/powerpc/mm/pgtable_64.c +++ b/arch/powerpc/mm/pgtable_64.c @@ -33,7 +33,6 @@ #include <linux/swap.h> #include <linux/stddef.h> #include <linux/vmalloc.h> -#include <linux/memblock.h> #include <linux/slab.h> #include <linux/hugetlb.h> @@ -47,13 +46,11 @@ #include <asm/smp.h> #include <asm/machdep.h> #include <asm/tlb.h> -#include <asm/trace.h> #include <asm/processor.h> #include <asm/cputable.h> #include <asm/sections.h> #include <asm/firmware.h> #include <asm/dma.h> -#include <asm/powernv.h> #include "mmu_decl.h" @@ -75,8 +72,6 @@ unsigned long __pud_index_size; EXPORT_SYMBOL(__pud_index_size); unsigned long __pgd_index_size; EXPORT_SYMBOL(__pgd_index_size); -unsigned long __pmd_cache_index; -EXPORT_SYMBOL(__pmd_cache_index); unsigned long __pud_cache_index; EXPORT_SYMBOL(__pud_cache_index); unsigned long __pte_table_size; @@ -316,172 +311,6 @@ struct page *pmd_page(pmd_t pmd) return virt_to_page(pmd_page_vaddr(pmd)); } -#ifdef CONFIG_PPC_64K_PAGES -static pte_t *get_from_cache(struct mm_struct *mm) -{ - void *pte_frag, *ret; - - spin_lock(&mm->page_table_lock); - ret = mm->context.pte_frag; - if (ret) { - pte_frag = ret + PTE_FRAG_SIZE; - /* - * If we have taken up all the fragments mark PTE page NULL - */ - if (((unsigned long)pte_frag & ~PAGE_MASK) == 0) - pte_frag = NULL; - mm->context.pte_frag = pte_frag; - } - spin_unlock(&mm->page_table_lock); - return (pte_t *)ret; -} - -static pte_t *__alloc_for_cache(struct mm_struct *mm, int kernel) -{ - void *ret = NULL; - struct page *page; - - if (!kernel) { - page = alloc_page(PGALLOC_GFP | __GFP_ACCOUNT); - if (!page) - return NULL; - if (!pgtable_page_ctor(page)) { - __free_page(page); - return NULL; - } - } else { - page = alloc_page(PGALLOC_GFP); - if (!page) - return NULL; - } - - ret = page_address(page); - spin_lock(&mm->page_table_lock); - /* - * If we find pgtable_page set, we return - * the allocated page with single fragement - * count. - */ - if (likely(!mm->context.pte_frag)) { - set_page_count(page, PTE_FRAG_NR); - mm->context.pte_frag = ret + PTE_FRAG_SIZE; - } - spin_unlock(&mm->page_table_lock); - - return (pte_t *)ret; -} - -pte_t *pte_fragment_alloc(struct mm_struct *mm, unsigned long vmaddr, int kernel) -{ - pte_t *pte; - - pte = get_from_cache(mm); - if (pte) - return pte; - - return __alloc_for_cache(mm, kernel); -} -#endif /* CONFIG_PPC_64K_PAGES */ - -void pte_fragment_free(unsigned long *table, int kernel) -{ - struct page *page = virt_to_page(table); - if (put_page_testzero(page)) { - if (!kernel) - pgtable_page_dtor(page); - free_unref_page(page); - } -} - -#ifdef CONFIG_SMP -void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift) -{ - unsigned long pgf = (unsigned long)table; - - BUG_ON(shift > MAX_PGTABLE_INDEX_SIZE); - pgf |= shift; - tlb_remove_table(tlb, (void *)pgf); -} - -void __tlb_remove_table(void *_table) -{ - void *table = (void *)((unsigned long)_table & ~MAX_PGTABLE_INDEX_SIZE); - unsigned shift = (unsigned long)_table & MAX_PGTABLE_INDEX_SIZE; - - if (!shift) - /* PTE page needs special handling */ - pte_fragment_free(table, 0); - else { - BUG_ON(shift > MAX_PGTABLE_INDEX_SIZE); - kmem_cache_free(PGT_CACHE(shift), table); - } -} -#else -void pgtable_free_tlb(struct mmu_gather *tlb, void *table, int shift) -{ - if (!shift) { - /* PTE page needs special handling */ - pte_fragment_free(table, 0); - } else { - BUG_ON(shift > MAX_PGTABLE_INDEX_SIZE); - kmem_cache_free(PGT_CACHE(shift), table); - } -} -#endif - -#ifdef CONFIG_PPC_BOOK3S_64 -void __init mmu_partition_table_init(void) -{ - unsigned long patb_size = 1UL << PATB_SIZE_SHIFT; - unsigned long ptcr; - - BUILD_BUG_ON_MSG((PATB_SIZE_SHIFT > 36), "Partition table size too large."); - partition_tb = __va(memblock_alloc_base(patb_size, patb_size, - MEMBLOCK_ALLOC_ANYWHERE)); - - /* Initialize the Partition Table with no entries */ - memset((void *)partition_tb, 0, patb_size); - - /* - * update partition table control register, - * 64 K size. - */ - ptcr = __pa(partition_tb) | (PATB_SIZE_SHIFT - 12); - mtspr(SPRN_PTCR, ptcr); - powernv_set_nmmu_ptcr(ptcr); -} - -void mmu_partition_table_set_entry(unsigned int lpid, unsigned long dw0, - unsigned long dw1) -{ - unsigned long old = be64_to_cpu(partition_tb[lpid].patb0); - - partition_tb[lpid].patb0 = cpu_to_be64(dw0); - partition_tb[lpid].patb1 = cpu_to_be64(dw1); - - /* - * Global flush of TLBs and partition table caches for this lpid. - * The type of flush (hash or radix) depends on what the previous - * use of this partition ID was, not the new use. - */ - asm volatile("ptesync" : : : "memory"); - if (old & PATB_HR) { - asm volatile(PPC_TLBIE_5(%0,%1,2,0,1) : : - "r" (TLBIEL_INVAL_SET_LPID), "r" (lpid)); - asm volatile(PPC_TLBIE_5(%0,%1,2,1,1) : : - "r" (TLBIEL_INVAL_SET_LPID), "r" (lpid)); - trace_tlbie(lpid, 0, TLBIEL_INVAL_SET_LPID, lpid, 2, 0, 1); - } else { - asm volatile(PPC_TLBIE_5(%0,%1,2,0,0) : : - "r" (TLBIEL_INVAL_SET_LPID), "r" (lpid)); - trace_tlbie(lpid, 0, TLBIEL_INVAL_SET_LPID, lpid, 2, 0, 0); - } - /* do we need fixup here ?*/ - asm volatile("eieio; tlbsync; ptesync" : : : "memory"); -} -EXPORT_SYMBOL_GPL(mmu_partition_table_set_entry); -#endif /* CONFIG_PPC_BOOK3S_64 */ - #ifdef CONFIG_STRICT_KERNEL_RWX void mark_rodata_ro(void) { diff --git a/arch/powerpc/mm/ppc_mmu_32.c b/arch/powerpc/mm/ppc_mmu_32.c index 2a049fb8523d..bea6c544e38f 100644 --- a/arch/powerpc/mm/ppc_mmu_32.c +++ b/arch/powerpc/mm/ppc_mmu_32.c @@ -167,7 +167,7 @@ void hash_preload(struct mm_struct *mm, unsigned long ea, { pmd_t *pmd; - if (Hash == 0) + if (!Hash) return; pmd = pmd_offset(pud_offset(pgd_offset(mm, ea), ea), ea); if (!pmd_none(*pmd)) diff --git a/arch/powerpc/mm/subpage-prot.c b/arch/powerpc/mm/subpage-prot.c index f14a07c2fb90..9d16ee251fc0 100644 --- a/arch/powerpc/mm/subpage-prot.c +++ b/arch/powerpc/mm/subpage-prot.c @@ -13,6 +13,7 @@ #include <linux/types.h> #include <linux/mm.h> #include <linux/hugetlb.h> +#include <linux/syscalls.h> #include <asm/pgtable.h> #include <linux/uaccess.h> @@ -185,7 +186,8 @@ static void subpage_mark_vma_nohuge(struct mm_struct *mm, unsigned long addr, * in a 2-bit field won't allow writes to a page that is otherwise * write-protected. */ -long sys_subpage_prot(unsigned long addr, unsigned long len, u32 __user *map) +SYSCALL_DEFINE3(subpage_prot, unsigned long, addr, + unsigned long, len, u32 __user *, map) { struct mm_struct *mm = current->mm; struct subpage_prot_table *spt = &mm->context.spt; diff --git a/arch/powerpc/mm/tlb-radix.c b/arch/powerpc/mm/tlb-radix.c index a5d7309c2d05..5ac3206c51cc 100644 --- a/arch/powerpc/mm/tlb-radix.c +++ b/arch/powerpc/mm/tlb-radix.c @@ -118,6 +118,53 @@ static inline void __tlbie_pid(unsigned long pid, unsigned long ric) trace_tlbie(0, 0, rb, rs, ric, prs, r); } +static inline void __tlbiel_lpid(unsigned long lpid, int set, + unsigned long ric) +{ + unsigned long rb,rs,prs,r; + + rb = PPC_BIT(52); /* IS = 2 */ + rb |= set << PPC_BITLSHIFT(51); + rs = 0; /* LPID comes from LPIDR */ + prs = 0; /* partition scoped */ + r = 1; /* radix format */ + + asm volatile(PPC_TLBIEL(%0, %4, %3, %2, %1) + : : "r"(rb), "i"(r), "i"(prs), "i"(ric), "r"(rs) : "memory"); + trace_tlbie(lpid, 1, rb, rs, ric, prs, r); +} + +static inline void __tlbie_lpid(unsigned long lpid, unsigned long ric) +{ + unsigned long rb,rs,prs,r; + + rb = PPC_BIT(52); /* IS = 2 */ + rs = lpid; + prs = 0; /* partition scoped */ + r = 1; /* radix format */ + + asm volatile(PPC_TLBIE_5(%0, %4, %3, %2, %1) + : : "r"(rb), "i"(r), "i"(prs), "i"(ric), "r"(rs) : "memory"); + trace_tlbie(lpid, 0, rb, rs, ric, prs, r); +} + +static inline void __tlbiel_lpid_guest(unsigned long lpid, int set, + unsigned long ric) +{ + unsigned long rb,rs,prs,r; + + rb = PPC_BIT(52); /* IS = 2 */ + rb |= set << PPC_BITLSHIFT(51); + rs = 0; /* LPID comes from LPIDR */ + prs = 1; /* process scoped */ + r = 1; /* radix format */ + + asm volatile(PPC_TLBIEL(%0, %4, %3, %2, %1) + : : "r"(rb), "i"(r), "i"(prs), "i"(ric), "r"(rs) : "memory"); + trace_tlbie(lpid, 1, rb, rs, ric, prs, r); +} + + static inline void __tlbiel_va(unsigned long va, unsigned long pid, unsigned long ap, unsigned long ric) { @@ -150,6 +197,22 @@ static inline void __tlbie_va(unsigned long va, unsigned long pid, trace_tlbie(0, 0, rb, rs, ric, prs, r); } +static inline void __tlbie_lpid_va(unsigned long va, unsigned long lpid, + unsigned long ap, unsigned long ric) +{ + unsigned long rb,rs,prs,r; + + rb = va & ~(PPC_BITMASK(52, 63)); + rb |= ap << PPC_BITLSHIFT(58); + rs = lpid; + prs = 0; /* partition scoped */ + r = 1; /* radix format */ + + asm volatile(PPC_TLBIE_5(%0, %4, %3, %2, %1) + : : "r"(rb), "i"(r), "i"(prs), "i"(ric), "r"(rs) : "memory"); + trace_tlbie(lpid, 0, rb, rs, ric, prs, r); +} + static inline void fixup_tlbie(void) { unsigned long pid = 0; @@ -161,6 +224,16 @@ static inline void fixup_tlbie(void) } } +static inline void fixup_tlbie_lpid(unsigned long lpid) +{ + unsigned long va = ((1UL << 52) - 1); + + if (cpu_has_feature(CPU_FTR_P9_TLBIE_BUG)) { + asm volatile("ptesync": : :"memory"); + __tlbie_lpid_va(va, lpid, mmu_get_ap(MMU_PAGE_64K), RIC_FLUSH_TLB); + } +} + /* * We use 128 set in radix mode and 256 set in hpt mode. */ @@ -214,6 +287,86 @@ static inline void _tlbie_pid(unsigned long pid, unsigned long ric) asm volatile("eieio; tlbsync; ptesync": : :"memory"); } +static inline void _tlbiel_lpid(unsigned long lpid, unsigned long ric) +{ + int set; + + VM_BUG_ON(mfspr(SPRN_LPID) != lpid); + + asm volatile("ptesync": : :"memory"); + + /* + * Flush the first set of the TLB, and if we're doing a RIC_FLUSH_ALL, + * also flush the entire Page Walk Cache. + */ + __tlbiel_lpid(lpid, 0, ric); + + /* For PWC, only one flush is needed */ + if (ric == RIC_FLUSH_PWC) { + asm volatile("ptesync": : :"memory"); + return; + } + + /* For the remaining sets, just flush the TLB */ + for (set = 1; set < POWER9_TLB_SETS_RADIX ; set++) + __tlbiel_lpid(lpid, set, RIC_FLUSH_TLB); + + asm volatile("ptesync": : :"memory"); + asm volatile(PPC_INVALIDATE_ERAT "; isync" : : :"memory"); +} + +static inline void _tlbie_lpid(unsigned long lpid, unsigned long ric) +{ + asm volatile("ptesync": : :"memory"); + + /* + * Workaround the fact that the "ric" argument to __tlbie_pid + * must be a compile-time contraint to match the "i" constraint + * in the asm statement. + */ + switch (ric) { + case RIC_FLUSH_TLB: + __tlbie_lpid(lpid, RIC_FLUSH_TLB); + break; + case RIC_FLUSH_PWC: + __tlbie_lpid(lpid, RIC_FLUSH_PWC); + break; + case RIC_FLUSH_ALL: + default: + __tlbie_lpid(lpid, RIC_FLUSH_ALL); + } + fixup_tlbie_lpid(lpid); + asm volatile("eieio; tlbsync; ptesync": : :"memory"); +} + +static inline void _tlbiel_lpid_guest(unsigned long lpid, unsigned long ric) +{ + int set; + + VM_BUG_ON(mfspr(SPRN_LPID) != lpid); + + asm volatile("ptesync": : :"memory"); + + /* + * Flush the first set of the TLB, and if we're doing a RIC_FLUSH_ALL, + * also flush the entire Page Walk Cache. + */ + __tlbiel_lpid_guest(lpid, 0, ric); + + /* For PWC, only one flush is needed */ + if (ric == RIC_FLUSH_PWC) { + asm volatile("ptesync": : :"memory"); + return; + } + + /* For the remaining sets, just flush the TLB */ + for (set = 1; set < POWER9_TLB_SETS_RADIX ; set++) + __tlbiel_lpid_guest(lpid, set, RIC_FLUSH_TLB); + + asm volatile("ptesync": : :"memory"); +} + + static inline void __tlbiel_va_range(unsigned long start, unsigned long end, unsigned long pid, unsigned long page_size, unsigned long psize) @@ -268,6 +421,17 @@ static inline void _tlbie_va(unsigned long va, unsigned long pid, asm volatile("eieio; tlbsync; ptesync": : :"memory"); } +static inline void _tlbie_lpid_va(unsigned long va, unsigned long lpid, + unsigned long psize, unsigned long ric) +{ + unsigned long ap = mmu_get_ap(psize); + + asm volatile("ptesync": : :"memory"); + __tlbie_lpid_va(va, lpid, ap, ric); + fixup_tlbie_lpid(lpid); + asm volatile("eieio; tlbsync; ptesync": : :"memory"); +} + static inline void _tlbie_va_range(unsigned long start, unsigned long end, unsigned long pid, unsigned long page_size, unsigned long psize, bool also_pwc) @@ -534,6 +698,49 @@ static int radix_get_mmu_psize(int page_size) return psize; } +/* + * Flush partition scoped LPID address translation for all CPUs. + */ +void radix__flush_tlb_lpid_page(unsigned int lpid, + unsigned long addr, + unsigned long page_size) +{ + int psize = radix_get_mmu_psize(page_size); + + _tlbie_lpid_va(addr, lpid, psize, RIC_FLUSH_TLB); +} +EXPORT_SYMBOL_GPL(radix__flush_tlb_lpid_page); + +/* + * Flush partition scoped PWC from LPID for all CPUs. + */ +void radix__flush_pwc_lpid(unsigned int lpid) +{ + _tlbie_lpid(lpid, RIC_FLUSH_PWC); +} +EXPORT_SYMBOL_GPL(radix__flush_pwc_lpid); + +/* + * Flush partition scoped translations from LPID (=LPIDR) + */ +void radix__local_flush_tlb_lpid(unsigned int lpid) +{ + _tlbiel_lpid(lpid, RIC_FLUSH_ALL); +} +EXPORT_SYMBOL_GPL(radix__local_flush_tlb_lpid); + +/* + * Flush process scoped translations from LPID (=LPIDR). + * Important difference, the guest normally manages its own translations, + * but some cases e.g., vCPU CPU migration require KVM to flush. + */ +void radix__local_flush_tlb_lpid_guest(unsigned int lpid) +{ + _tlbiel_lpid_guest(lpid, RIC_FLUSH_ALL); +} +EXPORT_SYMBOL_GPL(radix__local_flush_tlb_lpid_guest); + + static void radix__flush_tlb_pwc_range_psize(struct mm_struct *mm, unsigned long start, unsigned long end, int psize); diff --git a/arch/powerpc/mm/tlb_hash32.c b/arch/powerpc/mm/tlb_hash32.c index 702d7689d714..cf8472cf3d59 100644 --- a/arch/powerpc/mm/tlb_hash32.c +++ b/arch/powerpc/mm/tlb_hash32.c @@ -41,7 +41,7 @@ void flush_hash_entry(struct mm_struct *mm, pte_t *ptep, unsigned long addr) { unsigned long ptephys; - if (Hash != 0) { + if (Hash) { ptephys = __pa(ptep) & PAGE_MASK; flush_hash_pages(mm->context.id, addr, ptephys, 1); } @@ -54,7 +54,7 @@ EXPORT_SYMBOL(flush_hash_entry); */ void tlb_flush(struct mmu_gather *tlb) { - if (Hash == 0) { + if (!Hash) { /* * 603 needs to flush the whole TLB here since * it doesn't use a hash table. @@ -84,7 +84,7 @@ static void flush_range(struct mm_struct *mm, unsigned long start, int count; unsigned int ctx = mm->context.id; - if (Hash == 0) { + if (!Hash) { _tlbia(); return; } @@ -124,7 +124,7 @@ void flush_tlb_mm(struct mm_struct *mm) { struct vm_area_struct *mp; - if (Hash == 0) { + if (!Hash) { _tlbia(); return; } @@ -145,7 +145,7 @@ void flush_tlb_page(struct vm_area_struct *vma, unsigned long vmaddr) struct mm_struct *mm; pmd_t *pmd; - if (Hash == 0) { + if (!Hash) { _tlbie(vmaddr); return; } diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c index d7532e7b9ab5..75fb23c24ee8 100644 --- a/arch/powerpc/perf/imc-pmu.c +++ b/arch/powerpc/perf/imc-pmu.c @@ -1146,7 +1146,7 @@ static int init_nest_pmu_ref(void) static void cleanup_all_core_imc_memory(void) { - int i, nr_cores = DIV_ROUND_UP(num_present_cpus(), threads_per_core); + int i, nr_cores = DIV_ROUND_UP(num_possible_cpus(), threads_per_core); struct imc_mem_info *ptr = core_imc_pmu->mem_info; int size = core_imc_pmu->counter_mem_size; @@ -1264,7 +1264,7 @@ static int imc_mem_init(struct imc_pmu *pmu_ptr, struct device_node *parent, if (!pmu_ptr->pmu.name) return -ENOMEM; - nr_cores = DIV_ROUND_UP(num_present_cpus(), threads_per_core); + nr_cores = DIV_ROUND_UP(num_possible_cpus(), threads_per_core); pmu_ptr->mem_info = kcalloc(nr_cores, sizeof(struct imc_mem_info), GFP_KERNEL); diff --git a/arch/powerpc/perf/isa207-common.h b/arch/powerpc/perf/isa207-common.h index 6c737d675792..6a0b586c935a 100644 --- a/arch/powerpc/perf/isa207-common.h +++ b/arch/powerpc/perf/isa207-common.h @@ -17,70 +17,6 @@ #include <asm/firmware.h> #include <asm/cputable.h> -/* - * Raw event encoding for PowerISA v2.07: - * - * 60 56 52 48 44 40 36 32 - * | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - * | | [ ] [ thresh_cmp ] [ thresh_ctl ] - * | | | | - * | | *- IFM (Linux) thresh start/stop OR FAB match -* - * | *- BHRB (Linux) - * *- EBB (Linux) - * - * 28 24 20 16 12 8 4 0 - * | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - * [ ] [ sample ] [cache] [ pmc ] [unit ] c m [ pmcxsel ] - * | | | | | - * | | | | *- mark - * | | *- L1/L2/L3 cache_sel | - * | | | - * | *- sampling mode for marked events *- combine - * | - * *- thresh_sel - * - * Below uses IBM bit numbering. - * - * MMCR1[x:y] = unit (PMCxUNIT) - * MMCR1[x] = combine (PMCxCOMB) - * - * if pmc == 3 and unit == 0 and pmcxsel[0:6] == 0b0101011 - * # PM_MRK_FAB_RSP_MATCH - * MMCR1[20:27] = thresh_ctl (FAB_CRESP_MATCH / FAB_TYPE_MATCH) - * else if pmc == 4 and unit == 0xf and pmcxsel[0:6] == 0b0101001 - * # PM_MRK_FAB_RSP_MATCH_CYC - * MMCR1[20:27] = thresh_ctl (FAB_CRESP_MATCH / FAB_TYPE_MATCH) - * else - * MMCRA[48:55] = thresh_ctl (THRESH START/END) - * - * if thresh_sel: - * MMCRA[45:47] = thresh_sel - * - * if thresh_cmp: - * MMCRA[22:24] = thresh_cmp[0:2] - * MMCRA[25:31] = thresh_cmp[3:9] - * - * if unit == 6 or unit == 7 - * MMCRC[53:55] = cache_sel[1:3] (L2EVENT_SEL) - * else if unit == 8 or unit == 9: - * if cache_sel[0] == 0: # L3 bank - * MMCRC[47:49] = cache_sel[1:3] (L3EVENT_SEL0) - * else if cache_sel[0] == 1: - * MMCRC[50:51] = cache_sel[2:3] (L3EVENT_SEL1) - * else if cache_sel[1]: # L1 event - * MMCR1[16] = cache_sel[2] - * MMCR1[17] = cache_sel[3] - * - * if mark: - * MMCRA[63] = 1 (SAMPLE_ENABLE) - * MMCRA[57:59] = sample[0:2] (RAND_SAMP_ELIG) - * MMCRA[61:62] = sample[3:4] (RAND_SAMP_MODE) - * - * if EBB and BHRB: - * MMCRA[32:33] = IFM - * - */ - #define EVENT_EBB_MASK 1ull #define EVENT_EBB_SHIFT PERF_EVENT_CONFIG_EBB_SHIFT #define EVENT_BHRB_MASK 1ull diff --git a/arch/powerpc/perf/power8-pmu.c b/arch/powerpc/perf/power8-pmu.c index c9356955cab4..d12a2db26353 100644 --- a/arch/powerpc/perf/power8-pmu.c +++ b/arch/powerpc/perf/power8-pmu.c @@ -30,6 +30,70 @@ enum { #define POWER8_MMCRA_IFM2 0x0000000080000000UL #define POWER8_MMCRA_IFM3 0x00000000C0000000UL +/* + * Raw event encoding for PowerISA v2.07 (Power8): + * + * 60 56 52 48 44 40 36 32 + * | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | + * | | [ ] [ thresh_cmp ] [ thresh_ctl ] + * | | | | + * | | *- IFM (Linux) thresh start/stop OR FAB match -* + * | *- BHRB (Linux) + * *- EBB (Linux) + * + * 28 24 20 16 12 8 4 0 + * | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | - - - - | + * [ ] [ sample ] [cache] [ pmc ] [unit ] c m [ pmcxsel ] + * | | | | | + * | | | | *- mark + * | | *- L1/L2/L3 cache_sel | + * | | | + * | *- sampling mode for marked events *- combine + * | + * *- thresh_sel + * + * Below uses IBM bit numbering. + * + * MMCR1[x:y] = unit (PMCxUNIT) + * MMCR1[x] = combine (PMCxCOMB) + * + * if pmc == 3 and unit == 0 and pmcxsel[0:6] == 0b0101011 + * # PM_MRK_FAB_RSP_MATCH + * MMCR1[20:27] = thresh_ctl (FAB_CRESP_MATCH / FAB_TYPE_MATCH) + * else if pmc == 4 and unit == 0xf and pmcxsel[0:6] == 0b0101001 + * # PM_MRK_FAB_RSP_MATCH_CYC + * MMCR1[20:27] = thresh_ctl (FAB_CRESP_MATCH / FAB_TYPE_MATCH) + * else + * MMCRA[48:55] = thresh_ctl (THRESH START/END) + * + * if thresh_sel: + * MMCRA[45:47] = thresh_sel + * + * if thresh_cmp: + * MMCRA[22:24] = thresh_cmp[0:2] + * MMCRA[25:31] = thresh_cmp[3:9] + * + * if unit == 6 or unit == 7 + * MMCRC[53:55] = cache_sel[1:3] (L2EVENT_SEL) + * else if unit == 8 or unit == 9: + * if cache_sel[0] == 0: # L3 bank + * MMCRC[47:49] = cache_sel[1:3] (L3EVENT_SEL0) + * else if cache_sel[0] == 1: + * MMCRC[50:51] = cache_sel[2:3] (L3EVENT_SEL1) + * else if cache_sel[1]: # L1 event + * MMCR1[16] = cache_sel[2] + * MMCR1[17] = cache_sel[3] + * + * if mark: + * MMCRA[63] = 1 (SAMPLE_ENABLE) + * MMCRA[57:59] = sample[0:2] (RAND_SAMP_ELIG) + * MMCRA[61:62] = sample[3:4] (RAND_SAMP_MODE) + * + * if EBB and BHRB: + * MMCRA[32:33] = IFM + * + */ + /* PowerISA v2.07 format attribute structure*/ extern struct attribute_group isa207_pmu_format_group; diff --git a/arch/powerpc/platforms/83xx/Kconfig b/arch/powerpc/platforms/83xx/Kconfig index 7e38b7b71a5a..071f53b0c0a0 100644 --- a/arch/powerpc/platforms/83xx/Kconfig +++ b/arch/powerpc/platforms/83xx/Kconfig @@ -90,13 +90,6 @@ config MPC837x_RDB help This option enables support for the MPC837x RDB and WLAN Boards. -config SBC834x - bool "Wind River SBC834x" - select DEFAULT_UIMAGE - select PPC_MPC834x - help - This option enables support for the Wind River SBC834x board. - config ASP834x bool "Analogue & Micro ASP 834x" select PPC_MPC834x diff --git a/arch/powerpc/platforms/83xx/Makefile b/arch/powerpc/platforms/83xx/Makefile index bb4720897f6a..41cb5f842eff 100644 --- a/arch/powerpc/platforms/83xx/Makefile +++ b/arch/powerpc/platforms/83xx/Makefile @@ -14,7 +14,6 @@ obj-$(CONFIG_MPC836x_MDS) += mpc836x_mds.o obj-$(CONFIG_MPC836x_RDK) += mpc836x_rdk.o obj-$(CONFIG_MPC832x_MDS) += mpc832x_mds.o obj-$(CONFIG_MPC837x_MDS) += mpc837x_mds.o -obj-$(CONFIG_SBC834x) += sbc834x.o obj-$(CONFIG_MPC837x_RDB) += mpc837x_rdb.o obj-$(CONFIG_ASP834x) += asp834x.o obj-$(CONFIG_KMETER1) += km83xx.o diff --git a/arch/powerpc/platforms/83xx/sbc834x.c b/arch/powerpc/platforms/83xx/sbc834x.c deleted file mode 100644 index cb4bdabfdf1c..000000000000 --- a/arch/powerpc/platforms/83xx/sbc834x.c +++ /dev/null @@ -1,73 +0,0 @@ -/* - * arch/powerpc/platforms/83xx/sbc834x.c - * - * Wind River SBC834x board specific routines - * - * By Paul Gortmaker (see MAINTAINERS for contact information) - * - * Based largely on the mpc834x_mds.c support by Kumar Gala. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#include <linux/stddef.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/errno.h> -#include <linux/reboot.h> -#include <linux/pci.h> -#include <linux/kdev_t.h> -#include <linux/major.h> -#include <linux/console.h> -#include <linux/delay.h> -#include <linux/seq_file.h> -#include <linux/root_dev.h> -#include <linux/of_platform.h> - -#include <linux/atomic.h> -#include <asm/time.h> -#include <asm/io.h> -#include <asm/machdep.h> -#include <asm/ipic.h> -#include <asm/irq.h> -#include <asm/prom.h> -#include <asm/udbg.h> -#include <sysdev/fsl_soc.h> -#include <sysdev/fsl_pci.h> - -#include "mpc83xx.h" - -/* ************************************************************************ - * - * Setup the architecture - * - */ -static void __init sbc834x_setup_arch(void) -{ - mpc83xx_setup_arch(); -} - -machine_device_initcall(sbc834x, mpc83xx_declare_of_platform_devices); - -/* - * Called very early, MMU is off, device-tree isn't unflattened - */ -static int __init sbc834x_probe(void) -{ - return of_machine_is_compatible("SBC834xE"); -} - -define_machine(sbc834x) { - .name = "SBC834xE", - .probe = sbc834x_probe, - .setup_arch = sbc834x_setup_arch, - .init_IRQ = mpc83xx_ipic_init_IRQ, - .get_irq = ipic_get_irq, - .restart = mpc83xx_restart, - .time_init = mpc83xx_time_init, - .calibrate_decr = generic_calibrate_decr, - .progress = udbg_progress, -}; diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype index 67d3125d0610..cc892dcfa114 100644 --- a/arch/powerpc/platforms/Kconfig.cputype +++ b/arch/powerpc/platforms/Kconfig.cputype @@ -292,6 +292,10 @@ config PPC_STD_MMU_32 def_bool y depends on PPC_STD_MMU && PPC32 +config ARCH_ENABLE_SPLIT_PMD_PTLOCK + def_bool y + depends on PPC_BOOK3S_64 + config PPC_RADIX_MMU bool "Radix MMU Support" depends on PPC_BOOK3S_64 diff --git a/arch/powerpc/platforms/cell/spu_callbacks.c b/arch/powerpc/platforms/cell/spu_callbacks.c index a494028b2cdf..8ae86200ef6c 100644 --- a/arch/powerpc/platforms/cell/spu_callbacks.c +++ b/arch/powerpc/platforms/cell/spu_callbacks.c @@ -44,7 +44,7 @@ static void *spu_syscall_table[] = { #define SYSCALL_SPU(func) sys_##func, #define COMPAT_SYS_SPU(func) sys_##func, -#define PPC_SYS_SPU(func) ppc_##func, +#define COMPAT_SPU_NEW(func) sys_##func, #define SYSX_SPU(f, f3264, f32) f, #include <asm/systbl.h> diff --git a/arch/powerpc/platforms/cell/spu_syscalls.c b/arch/powerpc/platforms/cell/spu_syscalls.c index 5e6e0bad6db6..263413a34823 100644 --- a/arch/powerpc/platforms/cell/spu_syscalls.c +++ b/arch/powerpc/platforms/cell/spu_syscalls.c @@ -26,6 +26,7 @@ #include <linux/syscalls.h> #include <linux/rcupdate.h> #include <linux/binfmts.h> +#include <linux/syscalls.h> #include <asm/spu.h> @@ -90,7 +91,7 @@ SYSCALL_DEFINE4(spu_create, const char __user *, name, unsigned int, flags, return ret; } -asmlinkage long sys_spu_run(int fd, __u32 __user *unpc, __u32 __user *ustatus) +SYSCALL_DEFINE3(spu_run,int, fd, __u32 __user *, unpc, __u32 __user *, ustatus) { long ret; struct fd arg; diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index 469bdd0b748f..43e7b93f27c7 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -232,12 +232,13 @@ spufs_mem_write(struct file *file, const char __user *buffer, return size; } -static int +static vm_fault_t spufs_mem_mmap_fault(struct vm_fault *vmf) { struct vm_area_struct *vma = vmf->vma; struct spu_context *ctx = vma->vm_file->private_data; unsigned long pfn, offset; + vm_fault_t ret; offset = vmf->pgoff << PAGE_SHIFT; if (offset >= LS_SIZE) @@ -256,11 +257,11 @@ spufs_mem_mmap_fault(struct vm_fault *vmf) vma->vm_page_prot = pgprot_noncached_wc(vma->vm_page_prot); pfn = (ctx->spu->local_store_phys + offset) >> PAGE_SHIFT; } - vm_insert_pfn(vma, vmf->address, pfn); + ret = vmf_insert_pfn(vma, vmf->address, pfn); spu_release(ctx); - return VM_FAULT_NOPAGE; + return ret; } static int spufs_mem_mmap_access(struct vm_area_struct *vma, @@ -312,13 +313,14 @@ static const struct file_operations spufs_mem_fops = { .mmap = spufs_mem_mmap, }; -static int spufs_ps_fault(struct vm_fault *vmf, +static vm_fault_t spufs_ps_fault(struct vm_fault *vmf, unsigned long ps_offs, unsigned long ps_size) { struct spu_context *ctx = vmf->vma->vm_file->private_data; unsigned long area, offset = vmf->pgoff << PAGE_SHIFT; - int ret = 0; + int err = 0; + vm_fault_t ret = VM_FAULT_NOPAGE; spu_context_nospu_trace(spufs_ps_fault__enter, ctx); @@ -349,25 +351,26 @@ static int spufs_ps_fault(struct vm_fault *vmf, if (ctx->state == SPU_STATE_SAVED) { up_read(¤t->mm->mmap_sem); spu_context_nospu_trace(spufs_ps_fault__sleep, ctx); - ret = spufs_wait(ctx->run_wq, ctx->state == SPU_STATE_RUNNABLE); + err = spufs_wait(ctx->run_wq, ctx->state == SPU_STATE_RUNNABLE); spu_context_trace(spufs_ps_fault__wake, ctx, ctx->spu); down_read(¤t->mm->mmap_sem); } else { area = ctx->spu->problem_phys + ps_offs; - vm_insert_pfn(vmf->vma, vmf->address, (area + offset) >> PAGE_SHIFT); + ret = vmf_insert_pfn(vmf->vma, vmf->address, + (area + offset) >> PAGE_SHIFT); spu_context_trace(spufs_ps_fault__insert, ctx, ctx->spu); } - if (!ret) + if (!err) spu_release(ctx); refault: put_spu_context(ctx); - return VM_FAULT_NOPAGE; + return ret; } #if SPUFS_MMAP_4K -static int spufs_cntl_mmap_fault(struct vm_fault *vmf) +static vm_fault_t spufs_cntl_mmap_fault(struct vm_fault *vmf) { return spufs_ps_fault(vmf, 0x4000, SPUFS_CNTL_MAP_SIZE); } @@ -1040,7 +1043,7 @@ static ssize_t spufs_signal1_write(struct file *file, const char __user *buf, return 4; } -static int +static vm_fault_t spufs_signal1_mmap_fault(struct vm_fault *vmf) { #if SPUFS_SIGNAL_MAP_SIZE == 0x1000 @@ -1178,7 +1181,7 @@ static ssize_t spufs_signal2_write(struct file *file, const char __user *buf, } #if SPUFS_MMAP_4K -static int +static vm_fault_t spufs_signal2_mmap_fault(struct vm_fault *vmf) { #if SPUFS_SIGNAL_MAP_SIZE == 0x1000 @@ -1307,7 +1310,7 @@ DEFINE_SPUFS_ATTRIBUTE(spufs_signal2_type, spufs_signal2_type_get, spufs_signal2_type_set, "%llu\n", SPU_ATTR_ACQUIRE); #if SPUFS_MMAP_4K -static int +static vm_fault_t spufs_mss_mmap_fault(struct vm_fault *vmf) { return spufs_ps_fault(vmf, 0x0000, SPUFS_MSS_MAP_SIZE); @@ -1369,7 +1372,7 @@ static const struct file_operations spufs_mss_fops = { .llseek = no_llseek, }; -static int +static vm_fault_t spufs_psmap_mmap_fault(struct vm_fault *vmf) { return spufs_ps_fault(vmf, 0x0000, SPUFS_PS_MAP_SIZE); @@ -1429,7 +1432,7 @@ static const struct file_operations spufs_psmap_fops = { #if SPUFS_MMAP_4K -static int +static vm_fault_t spufs_mfc_mmap_fault(struct vm_fault *vmf) { return spufs_ps_fault(vmf, 0x3000, SPUFS_MFC_MAP_SIZE); diff --git a/arch/powerpc/platforms/chrp/pci.c b/arch/powerpc/platforms/chrp/pci.c index 0f512d35f7c5..5ddb57b82921 100644 --- a/arch/powerpc/platforms/chrp/pci.c +++ b/arch/powerpc/platforms/chrp/pci.c @@ -31,7 +31,7 @@ void __iomem *gg2_pci_config_base; * limit the bus number to 3 bits */ -int gg2_read_config(struct pci_bus *bus, unsigned int devfn, int off, +static int gg2_read_config(struct pci_bus *bus, unsigned int devfn, int off, int len, u32 *val) { volatile void __iomem *cfg_data; @@ -58,7 +58,7 @@ int gg2_read_config(struct pci_bus *bus, unsigned int devfn, int off, return PCIBIOS_SUCCESSFUL; } -int gg2_write_config(struct pci_bus *bus, unsigned int devfn, int off, +static int gg2_write_config(struct pci_bus *bus, unsigned int devfn, int off, int len, u32 val) { volatile void __iomem *cfg_data; @@ -94,8 +94,8 @@ static struct pci_ops gg2_pci_ops = /* * Access functions for PCI config space using RTAS calls. */ -int rtas_read_config(struct pci_bus *bus, unsigned int devfn, int offset, - int len, u32 *val) +static int rtas_read_config(struct pci_bus *bus, unsigned int devfn, int offset, + int len, u32 *val) { struct pci_controller *hose = pci_bus_to_host(bus); unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8) @@ -109,8 +109,8 @@ int rtas_read_config(struct pci_bus *bus, unsigned int devfn, int offset, return rval? PCIBIOS_DEVICE_NOT_FOUND: PCIBIOS_SUCCESSFUL; } -int rtas_write_config(struct pci_bus *bus, unsigned int devfn, int offset, - int len, u32 val) +static int rtas_write_config(struct pci_bus *bus, unsigned int devfn, int offset, + int len, u32 val) { struct pci_controller *hose = pci_bus_to_host(bus); unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8) diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c index 481ed133e04b..d6d8ffc0271e 100644 --- a/arch/powerpc/platforms/chrp/setup.c +++ b/arch/powerpc/platforms/chrp/setup.c @@ -94,7 +94,7 @@ static const char *chrp_names[] = { "Total Impact Briq" }; -void chrp_show_cpuinfo(struct seq_file *m) +static void chrp_show_cpuinfo(struct seq_file *m) { int i, sdramen; unsigned int t; @@ -299,7 +299,7 @@ out_put: of_node_put(node); } -void __init chrp_setup_arch(void) +static void __init chrp_setup_arch(void) { struct device_node *root = of_find_node_by_path("/"); const char *machine = NULL; @@ -382,7 +382,7 @@ static void __init chrp_find_openpic(void) { struct device_node *np, *root; int len, i, j; - int isu_size, idu_size; + int isu_size; const unsigned int *iranges, *opprop = NULL; int oplen = 0; unsigned long opaddr; @@ -427,11 +427,9 @@ static void __init chrp_find_openpic(void) } isu_size = 0; - idu_size = 0; if (len > 0 && iranges[1] != 0) { printk(KERN_INFO "OpenPIC irqs %d..%d in IDU\n", iranges[0], iranges[0] + iranges[1] - 1); - idu_size = iranges[1]; } if (len > 1) isu_size = iranges[3]; @@ -523,7 +521,7 @@ static void __init chrp_find_8259(void) } } -void __init chrp_init_IRQ(void) +static void __init chrp_init_IRQ(void) { #if defined(CONFIG_VT) && defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_XMON) struct device_node *kbd; @@ -555,7 +553,7 @@ void __init chrp_init_IRQ(void) #endif } -void __init +static void __init chrp_init2(void) { #ifdef CONFIG_NVRAM diff --git a/arch/powerpc/platforms/chrp/time.c b/arch/powerpc/platforms/chrp/time.c index 03d115aaa191..acde7bbe0716 100644 --- a/arch/powerpc/platforms/chrp/time.c +++ b/arch/powerpc/platforms/chrp/time.c @@ -28,6 +28,8 @@ #include <asm/sections.h> #include <asm/time.h> +#include <platforms/chrp/chrp.h> + extern spinlock_t rtc_lock; #define NVRAM_AS0 0x74 @@ -63,7 +65,7 @@ long __init chrp_time_init(void) return 0; } -int chrp_cmos_clock_read(int addr) +static int chrp_cmos_clock_read(int addr) { if (nvram_as1 != 0) outb(addr>>8, nvram_as1); @@ -71,7 +73,7 @@ int chrp_cmos_clock_read(int addr) return (inb(nvram_data)); } -void chrp_cmos_clock_write(unsigned long val, int addr) +static void chrp_cmos_clock_write(unsigned long val, int addr) { if (nvram_as1 != 0) outb(addr>>8, nvram_as1); diff --git a/arch/powerpc/platforms/embedded6xx/flipper-pic.c b/arch/powerpc/platforms/embedded6xx/flipper-pic.c index 7206f3f573d4..db0be007fd06 100644 --- a/arch/powerpc/platforms/embedded6xx/flipper-pic.c +++ b/arch/powerpc/platforms/embedded6xx/flipper-pic.c @@ -108,16 +108,8 @@ static int flipper_pic_map(struct irq_domain *h, unsigned int virq, return 0; } -static int flipper_pic_match(struct irq_domain *h, struct device_node *np, - enum irq_domain_bus_token bus_token) -{ - return 1; -} - - static const struct irq_domain_ops flipper_irq_domain_ops = { .map = flipper_pic_map, - .match = flipper_pic_match, }; /* diff --git a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c index 89c54de88b7a..8112b39879d6 100644 --- a/arch/powerpc/platforms/embedded6xx/hlwd-pic.c +++ b/arch/powerpc/platforms/embedded6xx/hlwd-pic.c @@ -35,6 +35,8 @@ */ #define HW_BROADWAY_ICR 0x00 #define HW_BROADWAY_IMR 0x04 +#define HW_STARLET_ICR 0x08 +#define HW_STARLET_IMR 0x0c /* @@ -74,6 +76,9 @@ static void hlwd_pic_unmask(struct irq_data *d) void __iomem *io_base = irq_data_get_irq_chip_data(d); setbits32(io_base + HW_BROADWAY_IMR, 1 << irq); + + /* Make sure the ARM (aka. Starlet) doesn't handle this interrupt. */ + clrbits32(io_base + HW_STARLET_IMR, 1 << irq); } @@ -155,7 +160,7 @@ static void __hlwd_quiesce(void __iomem *io_base) out_be32(io_base + HW_BROADWAY_ICR, 0xffffffff); } -struct irq_domain *hlwd_pic_init(struct device_node *np) +static struct irq_domain *hlwd_pic_init(struct device_node *np) { struct irq_domain *irq_domain; struct resource res; diff --git a/arch/powerpc/platforms/powermac/bootx_init.c b/arch/powerpc/platforms/powermac/bootx_init.c index c3c9bbb3573a..ba0964c17620 100644 --- a/arch/powerpc/platforms/powermac/bootx_init.c +++ b/arch/powerpc/platforms/powermac/bootx_init.c @@ -468,7 +468,7 @@ void __init bootx_init(unsigned long r3, unsigned long r4) boot_infos_t *bi = (boot_infos_t *) r4; unsigned long hdr; unsigned long space; - unsigned long ptr, x; + unsigned long ptr; char *model; unsigned long offset = reloc_offset(); @@ -562,6 +562,8 @@ void __init bootx_init(unsigned long r3, unsigned long r4) * MMU switched OFF, so this should not be useful anymore. */ if (bi->version < 4) { + unsigned long x __maybe_unused; + bootx_printf("Touching pages...\n"); /* diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c index 0b8174a79993..df762bb3c735 100644 --- a/arch/powerpc/platforms/powermac/pci.c +++ b/arch/powerpc/platforms/powermac/pci.c @@ -62,7 +62,7 @@ struct device_node *k2_skiplist[2]; static int __init fixup_one_level_bus_range(struct device_node *node, int higher) { - for (; node != 0;node = node->sibling) { + for (; node; node = node->sibling) { const int * bus_range; const unsigned int *class_code; int len; @@ -1219,7 +1219,7 @@ static void fixup_u4_pcie(struct pci_dev* dev) region = r; } /* Nothing found, bail */ - if (region == 0) + if (!region) return; /* Print things out */ diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c index ab668cb72263..3a529fcdae97 100644 --- a/arch/powerpc/platforms/powermac/setup.c +++ b/arch/powerpc/platforms/powermac/setup.c @@ -152,7 +152,7 @@ static void pmac_show_cpuinfo(struct seq_file *m) of_get_property(np, "d-cache-size", NULL); seq_printf(m, "L2 cache\t:"); has_l2cache = 1; - if (of_get_property(np, "cache-unified", NULL) != 0 && dc) { + if (of_get_property(np, "cache-unified", NULL) && dc) { seq_printf(m, " %dK unified", *dc / 1024); } else { if (ic) @@ -244,12 +244,12 @@ static void __init l2cr_init(void) /* Checks "l2cr-value" property in the registry */ if (cpu_has_feature(CPU_FTR_L2CR)) { struct device_node *np = of_find_node_by_name(NULL, "cpus"); - if (np == 0) + if (!np) np = of_find_node_by_type(NULL, "cpu"); - if (np != 0) { + if (np) { const unsigned int *l2cr = of_get_property(np, "l2cr-value", NULL); - if (l2cr != 0) { + if (l2cr) { ppc_override_l2cr = 1; ppc_override_l2cr_value = *l2cr; _set_L2CR(0); @@ -352,6 +352,7 @@ static int pmac_late_init(void) } machine_late_initcall(powermac, pmac_late_init); +void note_bootable_part(dev_t dev, int part, int goodness); /* * This is __ref because we check for "initializing" before * touching any of the __init sensitive things and "initializing" diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c index 95275e0e2efa..447da6db450a 100644 --- a/arch/powerpc/platforms/powermac/smp.c +++ b/arch/powerpc/platforms/powermac/smp.c @@ -65,7 +65,6 @@ #endif extern void __secondary_start_pmac_0(void); -extern int pmac_pfunc_base_install(void); static void (*pmac_tb_freeze)(int freeze); static u64 timebase; diff --git a/arch/powerpc/platforms/powernv/copy-paste.h b/arch/powerpc/platforms/powernv/copy-paste.h index c9a503623431..3fa62de96d9c 100644 --- a/arch/powerpc/platforms/powernv/copy-paste.h +++ b/arch/powerpc/platforms/powernv/copy-paste.h @@ -7,9 +7,8 @@ * 2 of the License, or (at your option) any later version. */ #include <asm/ppc-opcode.h> +#include <asm/reg.h> -#define CR0_SHIFT 28 -#define CR0_MASK 0xF /* * Copy/paste instructions: * diff --git a/arch/powerpc/platforms/powernv/idle.c b/arch/powerpc/platforms/powernv/idle.c index 1f12ab1e6030..1c5d0675b43c 100644 --- a/arch/powerpc/platforms/powernv/idle.c +++ b/arch/powerpc/platforms/powernv/idle.c @@ -79,7 +79,7 @@ static int pnv_save_sprs_for_deep_states(void) uint64_t msr_val = MSR_IDLE; uint64_t psscr_val = pnv_deepest_stop_psscr_val; - for_each_possible_cpu(cpu) { + for_each_present_cpu(cpu) { uint64_t pir = get_hard_smp_processor_id(cpu); uint64_t hsprg0_val = (uint64_t)paca_ptrs[cpu]; @@ -814,7 +814,7 @@ static int __init pnv_init_idle_states(void) int cpu; pr_info("powernv: idle: Saving PACA pointers of all CPUs in their thread sibling PACA\n"); - for_each_possible_cpu(cpu) { + for_each_present_cpu(cpu) { int base_cpu = cpu_first_thread_sibling(cpu); int idx = cpu_thread_in_core(cpu); int i; diff --git a/arch/powerpc/platforms/powernv/memtrace.c b/arch/powerpc/platforms/powernv/memtrace.c index fc222a0c2ac4..b99283df8584 100644 --- a/arch/powerpc/platforms/powernv/memtrace.c +++ b/arch/powerpc/platforms/powernv/memtrace.c @@ -131,7 +131,7 @@ static u64 memtrace_alloc_node(u32 nid, u64 size) u64 start_pfn, end_pfn, nr_pages; u64 base_pfn; - if (!NODE_DATA(nid) || !node_spanned_pages(nid)) + if (!node_spanned_pages(nid)) return 0; start_pfn = node_start_pfn(nid); diff --git a/arch/powerpc/platforms/powernv/npu-dma.c b/arch/powerpc/platforms/powernv/npu-dma.c index 525e966dce34..8cdf91f5d3a4 100644 --- a/arch/powerpc/platforms/powernv/npu-dma.c +++ b/arch/powerpc/platforms/powernv/npu-dma.c @@ -459,10 +459,9 @@ static void mmio_launch_invalidate(struct mmio_atsd_reg *mmio_atsd_reg, struct npu *npu = mmio_atsd_reg->npu; int reg = mmio_atsd_reg->reg; - __raw_writeq(cpu_to_be64(va), - npu->mmio_atsd_regs[reg] + XTS_ATSD_AVA); + __raw_writeq_be(va, npu->mmio_atsd_regs[reg] + XTS_ATSD_AVA); eieio(); - __raw_writeq(cpu_to_be64(launch), npu->mmio_atsd_regs[reg]); + __raw_writeq_be(launch, npu->mmio_atsd_regs[reg]); } static void mmio_invalidate_pid(struct mmio_atsd_reg mmio_atsd_reg[NV_MAX_NPUS], diff --git a/arch/powerpc/platforms/powernv/opal-irqchip.c b/arch/powerpc/platforms/powernv/opal-irqchip.c index 9d1b8c0aaf93..05ffe05f0fdc 100644 --- a/arch/powerpc/platforms/powernv/opal-irqchip.c +++ b/arch/powerpc/platforms/powernv/opal-irqchip.c @@ -177,7 +177,7 @@ void opal_event_shutdown(void) if (!opal_irqs[i]) continue; - if (in_interrupt()) + if (in_interrupt() || irqs_disabled()) disable_irq_nosync(opal_irqs[i]); else free_irq(opal_irqs[i], NULL); diff --git a/arch/powerpc/platforms/powernv/opal-sensor.c b/arch/powerpc/platforms/powernv/opal-sensor.c index 0a7074bb91dc..35a5f4b9aeb5 100644 --- a/arch/powerpc/platforms/powernv/opal-sensor.c +++ b/arch/powerpc/platforms/powernv/opal-sensor.c @@ -72,6 +72,59 @@ out: } EXPORT_SYMBOL_GPL(opal_get_sensor_data); +int opal_get_sensor_data_u64(u32 sensor_hndl, u64 *sensor_data) +{ + int ret, token; + struct opal_msg msg; + __be64 data; + + if (!opal_check_token(OPAL_SENSOR_READ_U64)) { + u32 sdata; + + ret = opal_get_sensor_data(sensor_hndl, &sdata); + if (!ret) + *sensor_data = sdata; + return ret; + } + + token = opal_async_get_token_interruptible(); + if (token < 0) + return token; + + ret = opal_sensor_read_u64(sensor_hndl, token, &data); + switch (ret) { + case OPAL_ASYNC_COMPLETION: + ret = opal_async_wait_response(token, &msg); + if (ret) { + pr_err("%s: Failed to wait for the async response, %d\n", + __func__, ret); + goto out_token; + } + + ret = opal_error_code(opal_get_async_rc(msg)); + *sensor_data = be64_to_cpu(data); + break; + + case OPAL_SUCCESS: + ret = 0; + *sensor_data = be64_to_cpu(data); + break; + + case OPAL_WRONG_STATE: + ret = -EIO; + break; + + default: + ret = opal_error_code(ret); + break; + } + +out_token: + opal_async_release_token(token); + return ret; +} +EXPORT_SYMBOL_GPL(opal_get_sensor_data_u64); + int __init opal_sensor_init(void) { struct platform_device *pdev; diff --git a/arch/powerpc/platforms/powernv/opal-wrappers.S b/arch/powerpc/platforms/powernv/opal-wrappers.S index 3da30c2f26b4..8482df255969 100644 --- a/arch/powerpc/platforms/powernv/opal-wrappers.S +++ b/arch/powerpc/platforms/powernv/opal-wrappers.S @@ -325,3 +325,4 @@ OPAL_CALL(opal_npu_spa_clear_cache, OPAL_NPU_SPA_CLEAR_CACHE); OPAL_CALL(opal_npu_tl_set, OPAL_NPU_TL_SET); OPAL_CALL(opal_pci_get_pbcq_tunnel_bar, OPAL_PCI_GET_PBCQ_TUNNEL_BAR); OPAL_CALL(opal_pci_set_pbcq_tunnel_bar, OPAL_PCI_SET_PBCQ_TUNNEL_BAR); +OPAL_CALL(opal_sensor_read_u64, OPAL_SENSOR_READ_U64); diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index 3f9c69d7623a..1b02f86dfec1 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -1976,9 +1976,10 @@ static void pnv_pci_p7ioc_tce_invalidate(struct iommu_table *tbl, mb(); /* Ensure above stores are visible */ while (start <= end) { if (rm) - __raw_rm_writeq(cpu_to_be64(start), invalidate); + __raw_rm_writeq_be(start, invalidate); else - __raw_writeq(cpu_to_be64(start), invalidate); + __raw_writeq_be(start, invalidate); + start += inc; } @@ -2055,9 +2056,9 @@ static void pnv_pci_phb3_tce_invalidate_entire(struct pnv_phb *phb, bool rm) mb(); /* Ensure previous TCE table stores are visible */ if (rm) - __raw_rm_writeq(cpu_to_be64(val), invalidate); + __raw_rm_writeq_be(val, invalidate); else - __raw_writeq(cpu_to_be64(val), invalidate); + __raw_writeq_be(val, invalidate); } static inline void pnv_pci_phb3_tce_invalidate_pe(struct pnv_ioda_pe *pe) @@ -2067,7 +2068,7 @@ static inline void pnv_pci_phb3_tce_invalidate_pe(struct pnv_ioda_pe *pe) unsigned long val = PHB3_TCE_KILL_INVAL_PE | (pe->pe_number & 0xFF); mb(); /* Ensure above stores are visible */ - __raw_writeq(cpu_to_be64(val), invalidate); + __raw_writeq_be(val, invalidate); } static void pnv_pci_phb3_tce_invalidate(struct pnv_ioda_pe *pe, bool rm, @@ -2090,9 +2091,9 @@ static void pnv_pci_phb3_tce_invalidate(struct pnv_ioda_pe *pe, bool rm, while (start <= end) { if (rm) - __raw_rm_writeq(cpu_to_be64(start), invalidate); + __raw_rm_writeq_be(start, invalidate); else - __raw_writeq(cpu_to_be64(start), invalidate); + __raw_writeq_be(start, invalidate); start += inc; } } @@ -2910,6 +2911,34 @@ static void pnv_pci_ioda2_table_free_pages(struct iommu_table *tbl) tbl->it_indirect_levels); } +static unsigned long pnv_ioda_parse_tce_sizes(struct pnv_phb *phb) +{ + struct pci_controller *hose = phb->hose; + struct device_node *dn = hose->dn; + unsigned long mask = 0; + int i, rc, count; + u32 val; + + count = of_property_count_u32_elems(dn, "ibm,supported-tce-sizes"); + if (count <= 0) { + mask = SZ_4K | SZ_64K; + /* Add 16M for POWER8 by default */ + if (cpu_has_feature(CPU_FTR_ARCH_207S) && + !cpu_has_feature(CPU_FTR_ARCH_300)) + mask |= SZ_16M; + return mask; + } + + for (i = 0; i < count; i++) { + rc = of_property_read_u32_index(dn, "ibm,supported-tce-sizes", + i, &val); + if (rc == 0) + mask |= 1ULL << val; + } + + return mask; +} + static void pnv_pci_ioda2_setup_dma_pe(struct pnv_phb *phb, struct pnv_ioda_pe *pe) { @@ -2934,7 +2963,7 @@ static void pnv_pci_ioda2_setup_dma_pe(struct pnv_phb *phb, pe->table_group.max_dynamic_windows_supported = IOMMU_TABLE_GROUP_MAX_TABLES; pe->table_group.max_levels = POWERNV_IOMMU_MAX_LEVELS; - pe->table_group.pgsizes = SZ_4K | SZ_64K | SZ_16M; + pe->table_group.pgsizes = pnv_ioda_parse_tce_sizes(phb); #ifdef CONFIG_IOMMU_API pe->table_group.ops = &pnv_pci_ioda2_ops; #endif diff --git a/arch/powerpc/platforms/powernv/setup.c b/arch/powerpc/platforms/powernv/setup.c index ef8c9ce53a61..fa63d3fff14c 100644 --- a/arch/powerpc/platforms/powernv/setup.c +++ b/arch/powerpc/platforms/powernv/setup.c @@ -356,15 +356,7 @@ static void pnv_kexec_cpu_down(int crash_shutdown, int secondary) #ifdef CONFIG_MEMORY_HOTPLUG_SPARSE static unsigned long pnv_memory_block_size(void) { - /* - * We map the kernel linear region with 1GB large pages on radix. For - * memory hot unplug to work our memory block size must be at least - * this size. - */ - if (radix_enabled()) - return 1UL * 1024 * 1024 * 1024; - else - return 256UL * 1024 * 1024; + return 256UL * 1024 * 1024; } #endif diff --git a/arch/powerpc/platforms/pseries/hvCall_inst.c b/arch/powerpc/platforms/pseries/hvCall_inst.c index 89b7ce807e70..6da320c786cd 100644 --- a/arch/powerpc/platforms/pseries/hvCall_inst.c +++ b/arch/powerpc/platforms/pseries/hvCall_inst.c @@ -125,7 +125,7 @@ static void probe_hcall_entry(void *ignored, unsigned long opcode, unsigned long h->purr_start = mfspr(SPRN_PURR); } -static void probe_hcall_exit(void *ignored, unsigned long opcode, unsigned long retval, +static void probe_hcall_exit(void *ignored, unsigned long opcode, long retval, unsigned long *retbuf) { struct hcall_stats *h; diff --git a/arch/powerpc/platforms/pseries/kexec.c b/arch/powerpc/platforms/pseries/kexec.c index 3fe126796975..46fbaef69a59 100644 --- a/arch/powerpc/platforms/pseries/kexec.c +++ b/arch/powerpc/platforms/pseries/kexec.c @@ -57,8 +57,11 @@ void pseries_kexec_cpu_down(int crash_shutdown, int secondary) } } - if (xive_enabled()) + if (xive_enabled()) { xive_kexec_teardown_cpu(secondary); - else + + if (!secondary) + xive_shutdown(); + } else xics_kexec_teardown_cpu(secondary); } diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index adb996ed51e1..5a392e40f3d2 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -902,8 +902,7 @@ out: local_irq_restore(flags); } -void __trace_hcall_exit(long opcode, unsigned long retval, - unsigned long *retbuf) +void __trace_hcall_exit(long opcode, long retval, unsigned long *retbuf) { unsigned long flags; unsigned int *depth; diff --git a/arch/powerpc/sysdev/xive/spapr.c b/arch/powerpc/sysdev/xive/spapr.c index 091f1d0d0af1..575db3b06a6b 100644 --- a/arch/powerpc/sysdev/xive/spapr.c +++ b/arch/powerpc/sysdev/xive/spapr.c @@ -19,6 +19,7 @@ #include <linux/spinlock.h> #include <linux/cpumask.h> #include <linux/mm.h> +#include <linux/delay.h> #include <asm/prom.h> #include <asm/io.h> @@ -108,6 +109,51 @@ static void xive_irq_bitmap_free(int irq) } } + +/* Based on the similar routines in RTAS */ +static unsigned int plpar_busy_delay_time(long rc) +{ + unsigned int ms = 0; + + if (H_IS_LONG_BUSY(rc)) { + ms = get_longbusy_msecs(rc); + } else if (rc == H_BUSY) { + ms = 10; /* seems appropriate for XIVE hcalls */ + } + + return ms; +} + +static unsigned int plpar_busy_delay(int rc) +{ + unsigned int ms; + + ms = plpar_busy_delay_time(rc); + if (ms) + mdelay(ms); + + return ms; +} + +/* + * Note: this call has a partition wide scope and can take a while to + * complete. If it returns H_LONG_BUSY_* it should be retried + * periodically. + */ +static long plpar_int_reset(unsigned long flags) +{ + long rc; + + do { + rc = plpar_hcall_norets(H_INT_RESET, flags); + } while (plpar_busy_delay(rc)); + + if (rc) + pr_err("H_INT_RESET failed %ld\n", rc); + + return rc; +} + static long plpar_int_get_source_info(unsigned long flags, unsigned long lisn, unsigned long *src_flags, @@ -118,7 +164,10 @@ static long plpar_int_get_source_info(unsigned long flags, unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; long rc; - rc = plpar_hcall(H_INT_GET_SOURCE_INFO, retbuf, flags, lisn); + do { + rc = plpar_hcall(H_INT_GET_SOURCE_INFO, retbuf, flags, lisn); + } while (plpar_busy_delay(rc)); + if (rc) { pr_err("H_INT_GET_SOURCE_INFO lisn=%ld failed %ld\n", lisn, rc); return rc; @@ -151,8 +200,11 @@ static long plpar_int_set_source_config(unsigned long flags, flags, lisn, target, prio, sw_irq); - rc = plpar_hcall_norets(H_INT_SET_SOURCE_CONFIG, flags, lisn, - target, prio, sw_irq); + do { + rc = plpar_hcall_norets(H_INT_SET_SOURCE_CONFIG, flags, lisn, + target, prio, sw_irq); + } while (plpar_busy_delay(rc)); + if (rc) { pr_err("H_INT_SET_SOURCE_CONFIG lisn=%ld target=%lx prio=%lx failed %ld\n", lisn, target, prio, rc); @@ -171,7 +223,11 @@ static long plpar_int_get_queue_info(unsigned long flags, unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; long rc; - rc = plpar_hcall(H_INT_GET_QUEUE_INFO, retbuf, flags, target, priority); + do { + rc = plpar_hcall(H_INT_GET_QUEUE_INFO, retbuf, flags, target, + priority); + } while (plpar_busy_delay(rc)); + if (rc) { pr_err("H_INT_GET_QUEUE_INFO cpu=%ld prio=%ld failed %ld\n", target, priority, rc); @@ -200,8 +256,11 @@ static long plpar_int_set_queue_config(unsigned long flags, pr_devel("H_INT_SET_QUEUE_CONFIG flags=%lx target=%lx priority=%lx qpage=%lx qsize=%lx\n", flags, target, priority, qpage, qsize); - rc = plpar_hcall_norets(H_INT_SET_QUEUE_CONFIG, flags, target, - priority, qpage, qsize); + do { + rc = plpar_hcall_norets(H_INT_SET_QUEUE_CONFIG, flags, target, + priority, qpage, qsize); + } while (plpar_busy_delay(rc)); + if (rc) { pr_err("H_INT_SET_QUEUE_CONFIG cpu=%ld prio=%ld qpage=%lx returned %ld\n", target, priority, qpage, rc); @@ -215,7 +274,10 @@ static long plpar_int_sync(unsigned long flags, unsigned long lisn) { long rc; - rc = plpar_hcall_norets(H_INT_SYNC, flags, lisn); + do { + rc = plpar_hcall_norets(H_INT_SYNC, flags, lisn); + } while (plpar_busy_delay(rc)); + if (rc) { pr_err("H_INT_SYNC lisn=%ld returned %ld\n", lisn, rc); return rc; @@ -238,7 +300,11 @@ static long plpar_int_esb(unsigned long flags, pr_devel("H_INT_ESB flags=%lx lisn=%lx offset=%lx in=%lx\n", flags, lisn, offset, in_data); - rc = plpar_hcall(H_INT_ESB, retbuf, flags, lisn, offset, in_data); + do { + rc = plpar_hcall(H_INT_ESB, retbuf, flags, lisn, offset, + in_data); + } while (plpar_busy_delay(rc)); + if (rc) { pr_err("H_INT_ESB lisn=%ld offset=%ld returned %ld\n", lisn, offset, rc); @@ -445,11 +511,7 @@ static void xive_spapr_put_ipi(unsigned int cpu, struct xive_cpu *xc) static void xive_spapr_shutdown(void) { - long rc; - - rc = plpar_hcall_norets(H_INT_RESET, 0); - if (rc) - pr_err("H_INT_RESET failed %ld\n", rc); + plpar_int_reset(0); } /* diff --git a/arch/powerpc/tools/gcc-check-mprofile-kernel.sh b/arch/powerpc/tools/gcc-check-mprofile-kernel.sh index 061f8035bdbe..a7dd0e5d9f98 100755 --- a/arch/powerpc/tools/gcc-check-mprofile-kernel.sh +++ b/arch/powerpc/tools/gcc-check-mprofile-kernel.sh @@ -7,17 +7,21 @@ set -o pipefail # To debug, uncomment the following line # set -x +# -mprofile-kernel is only supported on 64le, so this should not be invoked +# for other targets. Therefore we can pass in -m64 and -mlittle-endian +# explicitly, to take care of toolchains defaulting to other targets. + # Test whether the compile option -mprofile-kernel exists and generates # profiling code (ie. a call to _mcount()). echo "int func() { return 0; }" | \ - $* -S -x c -O2 -p -mprofile-kernel - -o - 2> /dev/null | \ - grep -q "_mcount" + $* -m64 -mlittle-endian -S -x c -O2 -p -mprofile-kernel - -o - \ + 2> /dev/null | grep -q "_mcount" # Test whether the notrace attribute correctly suppresses calls to _mcount(). echo -e "#include <linux/compiler.h>\nnotrace int func() { return 0; }" | \ - $* -S -x c -O2 -p -mprofile-kernel - -o - 2> /dev/null | \ - grep -q "_mcount" && \ + $* -m64 -mlittle-endian -S -x c -O2 -p -mprofile-kernel - -o - \ + 2> /dev/null | grep -q "_mcount" && \ exit 1 echo "OK" diff --git a/arch/powerpc/xmon/nonstdio.h b/arch/powerpc/xmon/nonstdio.h index 2202ec61972c..e8deac6c84e2 100644 --- a/arch/powerpc/xmon/nonstdio.h +++ b/arch/powerpc/xmon/nonstdio.h @@ -1,13 +1,13 @@ /* SPDX-License-Identifier: GPL-2.0 */ #define EOF (-1) -#define printf xmon_printf -#define putchar xmon_putchar - extern void xmon_set_pagination_lpp(unsigned long lpp); extern void xmon_start_pagination(void); extern void xmon_end_pagination(void); extern int xmon_putchar(int c); extern void xmon_puts(const char *); extern char *xmon_gets(char *, int); -extern void xmon_printf(const char *, ...); +extern __printf(1, 2) void xmon_printf(const char *fmt, ...); + +#define printf xmon_printf +#define putchar xmon_putchar diff --git a/arch/powerpc/xmon/spu-dis.c b/arch/powerpc/xmon/spu-dis.c index e5f89837c82e..4cbc7da88524 100644 --- a/arch/powerpc/xmon/spu-dis.c +++ b/arch/powerpc/xmon/spu-dis.c @@ -102,7 +102,7 @@ print_insn_spu (unsigned long insn, unsigned long memaddr) if (index == 0) { - printf(".long 0x%x", insn); + printf(".long 0x%lx", insn); } else { @@ -134,27 +134,27 @@ print_insn_spu (unsigned long insn, unsigned long memaddr) switch (arg) { case A_T: - printf("$%d", + printf("$%lu", DECODE_INSN_RT (insn)); break; case A_A: - printf("$%d", + printf("$%lu", DECODE_INSN_RA (insn)); break; case A_B: - printf("$%d", + printf("$%lu", DECODE_INSN_RB (insn)); break; case A_C: - printf("$%d", + printf("$%lu", DECODE_INSN_RC (insn)); break; case A_S: - printf("$sp%d", + printf("$sp%lu", DECODE_INSN_RA (insn)); break; case A_H: - printf("$ch%d", + printf("$ch%lu", DECODE_INSN_RA (insn)); break; case A_P: @@ -162,11 +162,11 @@ print_insn_spu (unsigned long insn, unsigned long memaddr) printf("("); break; case A_U7A: - printf("%d", + printf("%lu", 173 - DECODE_INSN_U8 (insn)); break; case A_U7B: - printf("%d", + printf("%lu", 155 - DECODE_INSN_U8 (insn)); break; case A_S3: diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index a0842f1ff72c..c2e9270728c7 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -515,7 +515,7 @@ static int xmon_core(struct pt_regs *regs, int fromipi) get_output_lock(); excprint(regs); if (bp) { - printf("cpu 0x%x stopped at breakpoint 0x%lx (", + printf("cpu 0x%x stopped at breakpoint 0x%tx (", cpu, BP_NUM(bp)); xmon_print_symbol(regs->nip, " ", ")\n"); } @@ -622,7 +622,7 @@ static int xmon_core(struct pt_regs *regs, int fromipi) excprint(regs); bp = at_breakpoint(regs->nip); if (bp) { - printf("Stopped at breakpoint %lx (", BP_NUM(bp)); + printf("Stopped at breakpoint %tx (", BP_NUM(bp)); xmon_print_symbol(regs->nip, " ", ")\n"); } if (unrecoverable_excp(regs)) @@ -778,6 +778,16 @@ static int xmon_fault_handler(struct pt_regs *regs) return 0; } +/* Force enable xmon if not already enabled */ +static inline void force_enable_xmon(void) +{ + /* Enable xmon hooks if needed */ + if (!xmon_on) { + printf("xmon: Enabling debugger hooks\n"); + xmon_on = 1; + } +} + static struct bpt *at_breakpoint(unsigned long pc) { int i; @@ -1094,6 +1104,7 @@ static int do_step(struct pt_regs *regs) unsigned int instr; int stepped; + force_enable_xmon(); /* check we are in 64-bit kernel mode, translation enabled */ if ((regs->msr & (MSR_64BIT|MSR_PR|MSR_IR)) == (MSR_64BIT|MSR_IR)) { if (mread(regs->nip, &instr, 4) == 4) { @@ -1160,7 +1171,7 @@ static int cpu_cmd(void) } /* try to switch to cpu specified */ if (!cpumask_test_cpu(cpu, &cpus_in_xmon)) { - printf("cpu 0x%x isn't in xmon\n", cpu); + printf("cpu 0x%lx isn't in xmon\n", cpu); return 0; } xmon_taken = 0; @@ -1174,7 +1185,7 @@ static int cpu_cmd(void) /* take control back */ mb(); xmon_owner = smp_processor_id(); - printf("cpu 0x%x didn't take control\n", cpu); + printf("cpu 0x%lx didn't take control\n", cpu); return 0; } barrier(); @@ -1268,16 +1279,6 @@ static long check_bp_loc(unsigned long addr) return 1; } -/* Force enable xmon if not already enabled */ -static inline void force_enable_xmon(void) -{ - /* Enable xmon hooks if needed */ - if (!xmon_on) { - printf("xmon: Enabling debugger hooks\n"); - xmon_on = 1; - } -} - static char *breakpoint_help_string = "Breakpoint command usage:\n" "b show breakpoints\n" @@ -1374,7 +1375,7 @@ bpt_cmds(void) } } - printf("Cleared breakpoint %lx (", BP_NUM(bp)); + printf("Cleared breakpoint %tx (", BP_NUM(bp)); xmon_print_symbol(bp->address, " ", ")\n"); bp->enabled = 0; break; @@ -1401,7 +1402,7 @@ bpt_cmds(void) for (bp = bpts; bp < &bpts[NBPTS]; ++bp) { if (!bp->enabled) continue; - printf("%2x %s ", BP_NUM(bp), + printf("%tx %s ", BP_NUM(bp), (bp->enabled & BP_CIABR) ? "inst": "trap"); xmon_print_symbol(bp->address, " ", "\n"); } @@ -1618,11 +1619,11 @@ static void excprint(struct pt_regs *fp) #endif /* CONFIG_SMP */ trap = TRAP(fp); - printf("Vector: %lx %s at [%lx]\n", fp->trap, getvecname(trap), fp); + printf("Vector: %lx %s at [%px]\n", fp->trap, getvecname(trap), fp); printf(" pc: "); xmon_print_symbol(fp->nip, ": ", "\n"); - printf(" lr: ", fp->link); + printf(" lr: "); xmon_print_symbol(fp->link, ": ", "\n"); printf(" sp: %lx\n", fp->gpr[1]); @@ -1634,13 +1635,13 @@ static void excprint(struct pt_regs *fp) printf(" dsisr: %lx\n", fp->dsisr); } - printf(" current = 0x%lx\n", current); + printf(" current = 0x%px\n", current); #ifdef CONFIG_PPC64 - printf(" paca = 0x%lx\t softe: %d\t irq_happened: 0x%02x\n", + printf(" paca = 0x%px\t softe: %d\t irq_happened: 0x%02x\n", local_paca, local_paca->irq_soft_mask, local_paca->irq_happened); #endif if (current) { - printf(" pid = %ld, comm = %s\n", + printf(" pid = %d, comm = %s\n", current->pid, current->comm); } @@ -1676,16 +1677,16 @@ static void prregs(struct pt_regs *fp) #ifdef CONFIG_PPC64 if (FULL_REGS(fp)) { for (n = 0; n < 16; ++n) - printf("R%.2ld = "REG" R%.2ld = "REG"\n", + printf("R%.2d = "REG" R%.2d = "REG"\n", n, fp->gpr[n], n+16, fp->gpr[n+16]); } else { for (n = 0; n < 7; ++n) - printf("R%.2ld = "REG" R%.2ld = "REG"\n", + printf("R%.2d = "REG" R%.2d = "REG"\n", n, fp->gpr[n], n+7, fp->gpr[n+7]); } #else for (n = 0; n < 32; ++n) { - printf("R%.2d = %.8x%s", n, fp->gpr[n], + printf("R%.2d = %.8lx%s", n, fp->gpr[n], (n & 3) == 3? "\n": " "); if (n == 12 && !FULL_REGS(fp)) { printf("\n"); @@ -1789,9 +1790,9 @@ static void dump_206_sprs(void) /* Actually some of these pre-date 2.06, but whatevs */ - printf("srr0 = %.16lx srr1 = %.16lx dsisr = %.8x\n", + printf("srr0 = %.16lx srr1 = %.16lx dsisr = %.8lx\n", mfspr(SPRN_SRR0), mfspr(SPRN_SRR1), mfspr(SPRN_DSISR)); - printf("dscr = %.16lx ppr = %.16lx pir = %.8x\n", + printf("dscr = %.16lx ppr = %.16lx pir = %.8lx\n", mfspr(SPRN_DSCR), mfspr(SPRN_PPR), mfspr(SPRN_PIR)); printf("amr = %.16lx uamor = %.16lx\n", mfspr(SPRN_AMR), mfspr(SPRN_UAMOR)); @@ -1799,11 +1800,11 @@ static void dump_206_sprs(void) if (!(mfmsr() & MSR_HV)) return; - printf("sdr1 = %.16lx hdar = %.16lx hdsisr = %.8x\n", + printf("sdr1 = %.16lx hdar = %.16lx hdsisr = %.8lx\n", mfspr(SPRN_SDR1), mfspr(SPRN_HDAR), mfspr(SPRN_HDSISR)); printf("hsrr0 = %.16lx hsrr1 = %.16lx hdec = %.16lx\n", mfspr(SPRN_HSRR0), mfspr(SPRN_HSRR1), mfspr(SPRN_HDEC)); - printf("lpcr = %.16lx pcr = %.16lx lpidr = %.8x\n", + printf("lpcr = %.16lx pcr = %.16lx lpidr = %.8lx\n", mfspr(SPRN_LPCR), mfspr(SPRN_PCR), mfspr(SPRN_LPID)); printf("hsprg0 = %.16lx hsprg1 = %.16lx amor = %.16lx\n", mfspr(SPRN_HSPRG0), mfspr(SPRN_HSPRG1), mfspr(SPRN_AMOR)); @@ -1820,10 +1821,10 @@ static void dump_207_sprs(void) if (!cpu_has_feature(CPU_FTR_ARCH_207S)) return; - printf("dpdes = %.16lx tir = %.16lx cir = %.8x\n", + printf("dpdes = %.16lx tir = %.16lx cir = %.8lx\n", mfspr(SPRN_DPDES), mfspr(SPRN_TIR), mfspr(SPRN_CIR)); - printf("fscr = %.16lx tar = %.16lx pspb = %.8x\n", + printf("fscr = %.16lx tar = %.16lx pspb = %.8lx\n", mfspr(SPRN_FSCR), mfspr(SPRN_TAR), mfspr(SPRN_PSPB)); msr = mfmsr(); @@ -1836,12 +1837,12 @@ static void dump_207_sprs(void) printf("mmcr0 = %.16lx mmcr1 = %.16lx mmcr2 = %.16lx\n", mfspr(SPRN_MMCR0), mfspr(SPRN_MMCR1), mfspr(SPRN_MMCR2)); - printf("pmc1 = %.8x pmc2 = %.8x pmc3 = %.8x pmc4 = %.8x\n", + printf("pmc1 = %.8lx pmc2 = %.8lx pmc3 = %.8lx pmc4 = %.8lx\n", mfspr(SPRN_PMC1), mfspr(SPRN_PMC2), mfspr(SPRN_PMC3), mfspr(SPRN_PMC4)); - printf("mmcra = %.16lx siar = %.16lx pmc5 = %.8x\n", + printf("mmcra = %.16lx siar = %.16lx pmc5 = %.8lx\n", mfspr(SPRN_MMCRA), mfspr(SPRN_SIAR), mfspr(SPRN_PMC5)); - printf("sdar = %.16lx sier = %.16lx pmc6 = %.8x\n", + printf("sdar = %.16lx sier = %.16lx pmc6 = %.8lx\n", mfspr(SPRN_SDAR), mfspr(SPRN_SIER), mfspr(SPRN_PMC6)); printf("ebbhr = %.16lx ebbrr = %.16lx bescr = %.16lx\n", mfspr(SPRN_EBBHR), mfspr(SPRN_EBBRR), mfspr(SPRN_BESCR)); @@ -2345,31 +2346,31 @@ static void dump_one_paca(int cpu) printf("paca for cpu 0x%x @ %px:\n", cpu, p); - printf(" %-*s = %s\n", 20, "possible", cpu_possible(cpu) ? "yes" : "no"); - printf(" %-*s = %s\n", 20, "present", cpu_present(cpu) ? "yes" : "no"); - printf(" %-*s = %s\n", 20, "online", cpu_online(cpu) ? "yes" : "no"); + printf(" %-*s = %s\n", 25, "possible", cpu_possible(cpu) ? "yes" : "no"); + printf(" %-*s = %s\n", 25, "present", cpu_present(cpu) ? "yes" : "no"); + printf(" %-*s = %s\n", 25, "online", cpu_online(cpu) ? "yes" : "no"); -#define DUMP(paca, name, format) \ - printf(" %-*s = %#-*"format"\t(0x%lx)\n", 20, #name, 18, paca->name, \ +#define DUMP(paca, name, format) \ + printf(" %-*s = "format"\t(0x%lx)\n", 25, #name, 18, paca->name, \ offsetof(struct paca_struct, name)); - DUMP(p, lock_token, "x"); - DUMP(p, paca_index, "x"); - DUMP(p, kernel_toc, "lx"); - DUMP(p, kernelbase, "lx"); - DUMP(p, kernel_msr, "lx"); - DUMP(p, emergency_sp, "px"); + DUMP(p, lock_token, "%#-*x"); + DUMP(p, paca_index, "%#-*x"); + DUMP(p, kernel_toc, "%#-*llx"); + DUMP(p, kernelbase, "%#-*llx"); + DUMP(p, kernel_msr, "%#-*llx"); + DUMP(p, emergency_sp, "%-*px"); #ifdef CONFIG_PPC_BOOK3S_64 - DUMP(p, nmi_emergency_sp, "px"); - DUMP(p, mc_emergency_sp, "px"); - DUMP(p, in_nmi, "x"); - DUMP(p, in_mce, "x"); - DUMP(p, hmi_event_available, "x"); + DUMP(p, nmi_emergency_sp, "%-*px"); + DUMP(p, mc_emergency_sp, "%-*px"); + DUMP(p, in_nmi, "%#-*x"); + DUMP(p, in_mce, "%#-*x"); + DUMP(p, hmi_event_available, "%#-*x"); #endif - DUMP(p, data_offset, "lx"); - DUMP(p, hw_cpu_id, "x"); - DUMP(p, cpu_start, "x"); - DUMP(p, kexec_state, "x"); + DUMP(p, data_offset, "%#-*llx"); + DUMP(p, hw_cpu_id, "%#-*x"); + DUMP(p, cpu_start, "%#-*x"); + DUMP(p, kexec_state, "%#-*x"); #ifdef CONFIG_PPC_BOOK3S_64 for (i = 0; i < SLB_NUM_BOLTED; i++) { u64 esid, vsid; @@ -2381,58 +2382,69 @@ static void dump_one_paca(int cpu) vsid = be64_to_cpu(p->slb_shadow_ptr->save_area[i].vsid); if (esid || vsid) { - printf(" slb_shadow[%d]: = 0x%016lx 0x%016lx\n", - i, esid, vsid); + printf(" %-*s[%d] = 0x%016llx 0x%016llx\n", + 22, "slb_shadow", i, esid, vsid); } } - DUMP(p, vmalloc_sllp, "x"); - DUMP(p, slb_cache_ptr, "x"); + DUMP(p, vmalloc_sllp, "%#-*x"); + DUMP(p, slb_cache_ptr, "%#-*x"); for (i = 0; i < SLB_CACHE_ENTRIES; i++) - printf(" slb_cache[%d]: = 0x%016lx\n", i, p->slb_cache[i]); + printf(" %-*s[%d] = 0x%016x\n", + 22, "slb_cache", i, p->slb_cache[i]); - DUMP(p, rfi_flush_fallback_area, "px"); + DUMP(p, rfi_flush_fallback_area, "%-*px"); #endif - DUMP(p, dscr_default, "llx"); + DUMP(p, dscr_default, "%#-*llx"); #ifdef CONFIG_PPC_BOOK3E - DUMP(p, pgd, "px"); - DUMP(p, kernel_pgd, "px"); - DUMP(p, tcd_ptr, "px"); - DUMP(p, mc_kstack, "px"); - DUMP(p, crit_kstack, "px"); - DUMP(p, dbg_kstack, "px"); + DUMP(p, pgd, "%-*px"); + DUMP(p, kernel_pgd, "%-*px"); + DUMP(p, tcd_ptr, "%-*px"); + DUMP(p, mc_kstack, "%-*px"); + DUMP(p, crit_kstack, "%-*px"); + DUMP(p, dbg_kstack, "%-*px"); #endif - DUMP(p, __current, "px"); - DUMP(p, kstack, "lx"); - printf(" kstack_base = 0x%016lx\n", p->kstack & ~(THREAD_SIZE - 1)); - DUMP(p, stab_rr, "lx"); - DUMP(p, saved_r1, "lx"); - DUMP(p, trap_save, "x"); - DUMP(p, irq_soft_mask, "x"); - DUMP(p, irq_happened, "x"); - DUMP(p, io_sync, "x"); - DUMP(p, irq_work_pending, "x"); - DUMP(p, nap_state_lost, "x"); - DUMP(p, sprg_vdso, "llx"); + DUMP(p, __current, "%-*px"); + DUMP(p, kstack, "%#-*llx"); + printf(" %-*s = 0x%016llx\n", 25, "kstack_base", p->kstack & ~(THREAD_SIZE - 1)); + DUMP(p, stab_rr, "%#-*llx"); + DUMP(p, saved_r1, "%#-*llx"); + DUMP(p, trap_save, "%#-*x"); + DUMP(p, irq_soft_mask, "%#-*x"); + DUMP(p, irq_happened, "%#-*x"); + DUMP(p, io_sync, "%#-*x"); + DUMP(p, irq_work_pending, "%#-*x"); + DUMP(p, nap_state_lost, "%#-*x"); + DUMP(p, sprg_vdso, "%#-*llx"); #ifdef CONFIG_PPC_TRANSACTIONAL_MEM - DUMP(p, tm_scratch, "llx"); + DUMP(p, tm_scratch, "%#-*llx"); #endif #ifdef CONFIG_PPC_POWERNV - DUMP(p, core_idle_state_ptr, "px"); - DUMP(p, thread_idle_state, "x"); - DUMP(p, thread_mask, "x"); - DUMP(p, subcore_sibling_mask, "x"); + DUMP(p, core_idle_state_ptr, "%-*px"); + DUMP(p, thread_idle_state, "%#-*x"); + DUMP(p, thread_mask, "%#-*x"); + DUMP(p, subcore_sibling_mask, "%#-*x"); + DUMP(p, thread_sibling_pacas, "%-*px"); + DUMP(p, requested_psscr, "%#-*llx"); + DUMP(p, stop_sprs.pid, "%#-*llx"); + DUMP(p, stop_sprs.ldbar, "%#-*llx"); + DUMP(p, stop_sprs.fscr, "%#-*llx"); + DUMP(p, stop_sprs.hfscr, "%#-*llx"); + DUMP(p, stop_sprs.mmcr1, "%#-*llx"); + DUMP(p, stop_sprs.mmcr2, "%#-*llx"); + DUMP(p, stop_sprs.mmcra, "%#-*llx"); + DUMP(p, dont_stop.counter, "%#-*x"); #endif - DUMP(p, accounting.utime, "llx"); - DUMP(p, accounting.stime, "llx"); - DUMP(p, accounting.utime_scaled, "llx"); - DUMP(p, accounting.starttime, "llx"); - DUMP(p, accounting.starttime_user, "llx"); - DUMP(p, accounting.startspurr, "llx"); - DUMP(p, accounting.utime_sspurr, "llx"); - DUMP(p, accounting.steal_time, "llx"); + DUMP(p, accounting.utime, "%#-*lx"); + DUMP(p, accounting.stime, "%#-*lx"); + DUMP(p, accounting.utime_scaled, "%#-*lx"); + DUMP(p, accounting.starttime, "%#-*lx"); + DUMP(p, accounting.starttime_user, "%#-*lx"); + DUMP(p, accounting.startspurr, "%#-*lx"); + DUMP(p, accounting.utime_sspurr, "%#-*lx"); + DUMP(p, accounting.steal_time, "%#-*lx"); #undef DUMP catch_memory_errors = 0; @@ -2578,7 +2590,7 @@ static void dump_by_size(unsigned long addr, long count, int size) default: val = 0; } - printf("%0*lx", size * 2, val); + printf("%0*llx", size * 2, val); } printf("\n"); } @@ -2742,7 +2754,7 @@ generic_inst_dump(unsigned long adr, long count, int praddr, dotted = 0; last_inst = inst; if (praddr) - printf(REG" %.8x", adr, inst); + printf(REG" %.8lx", adr, inst); printf("\t"); dump_func(inst, adr); printf("\n"); @@ -2874,7 +2886,7 @@ memdiffs(unsigned char *p1, unsigned char *p2, unsigned nb, unsigned maxpr) for( n = nb; n > 0; --n ) if( *p1++ != *p2++ ) if( ++prt <= maxpr ) - printf("%.16x %.2x # %.16x %.2x\n", p1 - 1, + printf("%px %.2x # %px %.2x\n", p1 - 1, p1[-1], p2 - 1, p2[-1]); if( prt > maxpr ) printf("Total of %d differences\n", prt); @@ -2934,13 +2946,13 @@ memzcan(void) if (ok && !ook) { printf("%.8x .. ", a); } else if (!ok && ook) - printf("%.8x\n", a - mskip); + printf("%.8lx\n", a - mskip); ook = ok; if (a + mskip < a) break; } if (ook) - printf("%.8x\n", a - mskip); + printf("%.8lx\n", a - mskip); } static void show_task(struct task_struct *tsk) @@ -3024,13 +3036,13 @@ static void show_pte(unsigned long addr) return; } - printf("pgd @ 0x%016lx\n", pgdir); + printf("pgd @ 0x%px\n", pgdir); if (pgd_huge(*pgdp)) { format_pte(pgdp, pgd_val(*pgdp)); return; } - printf("pgdp @ 0x%016lx = 0x%016lx\n", pgdp, pgd_val(*pgdp)); + printf("pgdp @ 0x%px = 0x%016lx\n", pgdp, pgd_val(*pgdp)); pudp = pud_offset(pgdp, addr); @@ -3044,7 +3056,7 @@ static void show_pte(unsigned long addr) return; } - printf("pudp @ 0x%016lx = 0x%016lx\n", pudp, pud_val(*pudp)); + printf("pudp @ 0x%px = 0x%016lx\n", pudp, pud_val(*pudp)); pmdp = pmd_offset(pudp, addr); @@ -3057,7 +3069,7 @@ static void show_pte(unsigned long addr) format_pte(pmdp, pmd_val(*pmdp)); return; } - printf("pmdp @ 0x%016lx = 0x%016lx\n", pmdp, pmd_val(*pmdp)); + printf("pmdp @ 0x%px = 0x%016lx\n", pmdp, pmd_val(*pmdp)); ptep = pte_offset_map(pmdp, addr); if (pte_none(*ptep)) { @@ -3456,9 +3468,9 @@ static void dump_tlb_44x(void) asm volatile("tlbre %0,%1,0" : "=r" (w0) : "r" (i)); asm volatile("tlbre %0,%1,1" : "=r" (w1) : "r" (i)); asm volatile("tlbre %0,%1,2" : "=r" (w2) : "r" (i)); - printf("[%02x] %08x %08x %08x ", i, w0, w1, w2); + printf("[%02x] %08lx %08lx %08lx ", i, w0, w1, w2); if (w0 & PPC44x_TLB_VALID) { - printf("V %08x -> %01x%08x %c%c%c%c%c", + printf("V %08lx -> %01lx%08lx %c%c%c%c%c", w0 & PPC44x_TLB_EPN_MASK, w1 & PPC44x_TLB_ERPN_MASK, w1 & PPC44x_TLB_RPN_MASK, @@ -3882,19 +3894,19 @@ static void dump_spu_fields(struct spu *spu) DUMP_FIELD(spu, "0x%lx", ls_size); DUMP_FIELD(spu, "0x%x", node); DUMP_FIELD(spu, "0x%lx", flags); - DUMP_FIELD(spu, "%d", class_0_pending); - DUMP_FIELD(spu, "0x%lx", class_0_dar); - DUMP_FIELD(spu, "0x%lx", class_1_dar); - DUMP_FIELD(spu, "0x%lx", class_1_dsisr); - DUMP_FIELD(spu, "0x%lx", irqs[0]); - DUMP_FIELD(spu, "0x%lx", irqs[1]); - DUMP_FIELD(spu, "0x%lx", irqs[2]); + DUMP_FIELD(spu, "%llu", class_0_pending); + DUMP_FIELD(spu, "0x%llx", class_0_dar); + DUMP_FIELD(spu, "0x%llx", class_1_dar); + DUMP_FIELD(spu, "0x%llx", class_1_dsisr); + DUMP_FIELD(spu, "0x%x", irqs[0]); + DUMP_FIELD(spu, "0x%x", irqs[1]); + DUMP_FIELD(spu, "0x%x", irqs[2]); DUMP_FIELD(spu, "0x%x", slb_replace); DUMP_FIELD(spu, "%d", pid); DUMP_FIELD(spu, "0x%p", mm); DUMP_FIELD(spu, "0x%p", ctx); DUMP_FIELD(spu, "0x%p", rq); - DUMP_FIELD(spu, "0x%p", timestamp); + DUMP_FIELD(spu, "0x%llx", timestamp); DUMP_FIELD(spu, "0x%lx", problem_phys); DUMP_FIELD(spu, "0x%p", problem); DUMP_VALUE("0x%x", problem->spu_runcntl_RW, @@ -3925,7 +3937,7 @@ static void dump_spu_ls(unsigned long num, int subcmd) __delay(200); } else { catch_memory_errors = 0; - printf("*** Error: accessing spu info for spu %d\n", num); + printf("*** Error: accessing spu info for spu %ld\n", num); return; } catch_memory_errors = 0; diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 23d8acca5c90..cd4fd85fde84 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -11,6 +11,7 @@ config RISCV select ARCH_WANT_FRAME_POINTERS select CLONE_BACKWARDS select COMMON_CLK + select DMA_DIRECT_OPS select GENERIC_CLOCKEVENTS select GENERIC_CPU_DEVICES select GENERIC_IRQ_SHOW @@ -89,9 +90,6 @@ config PGTABLE_LEVELS config HAVE_KPROBES def_bool n -config DMA_DIRECT_OPS - def_bool y - menu "Platform type" choice diff --git a/arch/riscv/include/asm/Kbuild b/arch/riscv/include/asm/Kbuild index 1e5fd280fb4d..4286a5f83876 100644 --- a/arch/riscv/include/asm/Kbuild +++ b/arch/riscv/include/asm/Kbuild @@ -15,7 +15,6 @@ generic-y += fcntl.h generic-y += futex.h generic-y += hardirq.h generic-y += hash.h -generic-y += handle_irq.h generic-y += hw_irq.h generic-y += ioctl.h generic-y += ioctls.h diff --git a/arch/riscv/kernel/vdso/Makefile b/arch/riscv/kernel/vdso/Makefile index 324568d33921..f6561b783b61 100644 --- a/arch/riscv/kernel/vdso/Makefile +++ b/arch/riscv/kernel/vdso/Makefile @@ -52,7 +52,7 @@ $(obj)/%.so: $(obj)/%.so.dbg FORCE # Add -lgcc so rv32 gets static muldi3 and lshrdi3 definitions. # Make sure only to export the intended __vdso_xxx symbol offsets. quiet_cmd_vdsold = VDSOLD $@ - cmd_vdsold = $(CC) $(KCFLAGS) -nostdlib $(SYSCFLAGS_$(@F)) \ + cmd_vdsold = $(CC) $(KCFLAGS) $(call cc-option, -no-pie) -nostdlib $(SYSCFLAGS_$(@F)) \ -Wl,-T,$(filter-out FORCE,$^) -o $@.tmp -lgcc && \ $(CROSS_COMPILE)objcopy \ $(patsubst %, -G __vdso_%, $(vdso-syms)) $@.tmp $@ diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h index 83ba57533ce6..3c883c368eb0 100644 --- a/arch/s390/include/asm/thread_info.h +++ b/arch/s390/include/asm/thread_info.h @@ -45,6 +45,9 @@ struct thread_info { void arch_release_task_struct(struct task_struct *tsk); int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src); +void arch_setup_new_exec(void); +#define arch_setup_new_exec arch_setup_new_exec + #endif /* diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c index 5a83be955c70..0dc8ac8548ee 100644 --- a/arch/s390/kernel/module.c +++ b/arch/s390/kernel/module.c @@ -465,11 +465,11 @@ int module_finalize(const Elf_Ehdr *hdr, apply_alternatives(aseg, aseg + s->sh_size); if (IS_ENABLED(CONFIG_EXPOLINE) && - (!strcmp(".nospec_call_table", secname))) + (!strncmp(".s390_indirect", secname, 14))) nospec_revert(aseg, aseg + s->sh_size); if (IS_ENABLED(CONFIG_EXPOLINE) && - (!strcmp(".nospec_return_table", secname))) + (!strncmp(".s390_return", secname, 12))) nospec_revert(aseg, aseg + s->sh_size); } diff --git a/arch/s390/kernel/perf_cpum_cf_events.c b/arch/s390/kernel/perf_cpum_cf_events.c index 5ee27dc9a10c..feebb2944882 100644 --- a/arch/s390/kernel/perf_cpum_cf_events.c +++ b/arch/s390/kernel/perf_cpum_cf_events.c @@ -123,7 +123,7 @@ CPUMF_EVENT_ATTR(cf_zec12, L1I_OFFBOOK_L3_SOURCED_WRITES_IV, 0x00a1); CPUMF_EVENT_ATTR(cf_zec12, TX_NC_TABORT, 0x00b1); CPUMF_EVENT_ATTR(cf_zec12, TX_C_TABORT_NO_SPECIAL, 0x00b2); CPUMF_EVENT_ATTR(cf_zec12, TX_C_TABORT_SPECIAL, 0x00b3); -CPUMF_EVENT_ATTR(cf_z13, L1D_WRITES_RO_EXCL, 0x0080); +CPUMF_EVENT_ATTR(cf_z13, L1D_RO_EXCL_WRITES, 0x0080); CPUMF_EVENT_ATTR(cf_z13, DTLB1_WRITES, 0x0081); CPUMF_EVENT_ATTR(cf_z13, DTLB1_MISSES, 0x0082); CPUMF_EVENT_ATTR(cf_z13, DTLB1_HPAGE_WRITES, 0x0083); @@ -179,7 +179,7 @@ CPUMF_EVENT_ATTR(cf_z13, TX_C_TABORT_NO_SPECIAL, 0x00db); CPUMF_EVENT_ATTR(cf_z13, TX_C_TABORT_SPECIAL, 0x00dc); CPUMF_EVENT_ATTR(cf_z13, MT_DIAG_CYCLES_ONE_THR_ACTIVE, 0x01c0); CPUMF_EVENT_ATTR(cf_z13, MT_DIAG_CYCLES_TWO_THR_ACTIVE, 0x01c1); -CPUMF_EVENT_ATTR(cf_z14, L1D_WRITES_RO_EXCL, 0x0080); +CPUMF_EVENT_ATTR(cf_z14, L1D_RO_EXCL_WRITES, 0x0080); CPUMF_EVENT_ATTR(cf_z14, DTLB2_WRITES, 0x0081); CPUMF_EVENT_ATTR(cf_z14, DTLB2_MISSES, 0x0082); CPUMF_EVENT_ATTR(cf_z14, DTLB2_HPAGE_WRITES, 0x0083); @@ -371,7 +371,7 @@ static struct attribute *cpumcf_zec12_pmu_event_attr[] __initdata = { }; static struct attribute *cpumcf_z13_pmu_event_attr[] __initdata = { - CPUMF_EVENT_PTR(cf_z13, L1D_WRITES_RO_EXCL), + CPUMF_EVENT_PTR(cf_z13, L1D_RO_EXCL_WRITES), CPUMF_EVENT_PTR(cf_z13, DTLB1_WRITES), CPUMF_EVENT_PTR(cf_z13, DTLB1_MISSES), CPUMF_EVENT_PTR(cf_z13, DTLB1_HPAGE_WRITES), @@ -431,7 +431,7 @@ static struct attribute *cpumcf_z13_pmu_event_attr[] __initdata = { }; static struct attribute *cpumcf_z14_pmu_event_attr[] __initdata = { - CPUMF_EVENT_PTR(cf_z14, L1D_WRITES_RO_EXCL), + CPUMF_EVENT_PTR(cf_z14, L1D_RO_EXCL_WRITES), CPUMF_EVENT_PTR(cf_z14, DTLB2_WRITES), CPUMF_EVENT_PTR(cf_z14, DTLB2_MISSES), CPUMF_EVENT_PTR(cf_z14, DTLB2_HPAGE_WRITES), diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 70576a2f69cf..6e758bb6cd29 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -29,6 +29,7 @@ #include <linux/random.h> #include <linux/export.h> #include <linux/init_task.h> +#include <asm/cpu_mf.h> #include <asm/io.h> #include <asm/processor.h> #include <asm/vtimer.h> @@ -48,6 +49,15 @@ void flush_thread(void) { } +void arch_setup_new_exec(void) +{ + if (S390_lowcore.current_pid != current->pid) { + S390_lowcore.current_pid = current->pid; + if (test_facility(40)) + lpp(&S390_lowcore.lpp); + } +} + void arch_release_task_struct(struct task_struct *tsk) { runtime_instr_release(tsk); diff --git a/arch/s390/kernel/uprobes.c b/arch/s390/kernel/uprobes.c index d9d1f512f019..5007fac01bb5 100644 --- a/arch/s390/kernel/uprobes.c +++ b/arch/s390/kernel/uprobes.c @@ -150,6 +150,15 @@ unsigned long arch_uretprobe_hijack_return_addr(unsigned long trampoline, return orig; } +bool arch_uretprobe_is_alive(struct return_instance *ret, enum rp_check ctx, + struct pt_regs *regs) +{ + if (ctx == RP_CHECK_CHAIN_CALL) + return user_stack_pointer(regs) <= ret->stack; + else + return user_stack_pointer(regs) < ret->stack; +} + /* Instruction Emulation */ static void adjust_psw_addr(psw_t *psw, unsigned long len) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 00fcf81f2c56..c07f492b871a 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -52,6 +52,7 @@ config X86 select ARCH_HAS_DEVMEM_IS_ALLOWED select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_FAST_MULTIPLIER + select ARCH_HAS_FILTER_PGPROT select ARCH_HAS_FORTIFY_SOURCE select ARCH_HAS_GCOV_PROFILE_ALL select ARCH_HAS_KCOV if X86_64 @@ -273,6 +274,9 @@ config ARCH_HAS_CPU_RELAX config ARCH_HAS_CACHE_LINE_SIZE def_bool y +config ARCH_HAS_FILTER_PGPROT + def_bool y + config HAVE_SETUP_PER_CPU_AREA def_bool y diff --git a/arch/x86/entry/entry_64_compat.S b/arch/x86/entry/entry_64_compat.S index 9af927e59d49..9de7f1e1dede 100644 --- a/arch/x86/entry/entry_64_compat.S +++ b/arch/x86/entry/entry_64_compat.S @@ -84,13 +84,13 @@ ENTRY(entry_SYSENTER_compat) pushq %rdx /* pt_regs->dx */ pushq %rcx /* pt_regs->cx */ pushq $-ENOSYS /* pt_regs->ax */ - pushq $0 /* pt_regs->r8 = 0 */ + pushq %r8 /* pt_regs->r8 */ xorl %r8d, %r8d /* nospec r8 */ - pushq $0 /* pt_regs->r9 = 0 */ + pushq %r9 /* pt_regs->r9 */ xorl %r9d, %r9d /* nospec r9 */ - pushq $0 /* pt_regs->r10 = 0 */ + pushq %r10 /* pt_regs->r10 */ xorl %r10d, %r10d /* nospec r10 */ - pushq $0 /* pt_regs->r11 = 0 */ + pushq %r11 /* pt_regs->r11 */ xorl %r11d, %r11d /* nospec r11 */ pushq %rbx /* pt_regs->rbx */ xorl %ebx, %ebx /* nospec rbx */ diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index 607bf565a90c..707b2a96e516 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -3339,7 +3339,8 @@ static void intel_pmu_cpu_starting(int cpu) cpuc->lbr_sel = NULL; - flip_smm_bit(&x86_pmu.attr_freeze_on_smi); + if (x86_pmu.version > 1) + flip_smm_bit(&x86_pmu.attr_freeze_on_smi); if (!cpuc->shared_regs) return; @@ -3502,6 +3503,8 @@ static __initconst const struct x86_pmu core_pmu = { .cpu_dying = intel_pmu_cpu_dying, }; +static struct attribute *intel_pmu_attrs[]; + static __initconst const struct x86_pmu intel_pmu = { .name = "Intel", .handle_irq = intel_pmu_handle_irq, @@ -3533,6 +3536,8 @@ static __initconst const struct x86_pmu intel_pmu = { .format_attrs = intel_arch3_formats_attr, .events_sysfs_show = intel_event_sysfs_show, + .attrs = intel_pmu_attrs, + .cpu_prepare = intel_pmu_cpu_prepare, .cpu_starting = intel_pmu_cpu_starting, .cpu_dying = intel_pmu_cpu_dying, @@ -3911,8 +3916,6 @@ __init int intel_pmu_init(void) x86_pmu.max_pebs_events = min_t(unsigned, MAX_PEBS_EVENTS, x86_pmu.num_counters); - - x86_pmu.attrs = intel_pmu_attrs; /* * Quirk: v2 perfmon does not report fixed-purpose events, so * assume at least 3 events, when not running in a hypervisor: diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h index d554c11e01ff..578793e97431 100644 --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -320,6 +320,7 @@ #define X86_FEATURE_AVX512_VPOPCNTDQ (16*32+14) /* POPCNT for vectors of DW/QW */ #define X86_FEATURE_LA57 (16*32+16) /* 5-level page tables */ #define X86_FEATURE_RDPID (16*32+22) /* RDPID instruction */ +#define X86_FEATURE_CLDEMOTE (16*32+25) /* CLDEMOTE instruction */ /* AMD-defined CPU features, CPUID level 0x80000007 (EBX), word 17 */ #define X86_FEATURE_OVERFLOW_RECOV (17*32+ 0) /* MCA overflow recovery support */ diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h index 09ad88572746..cc8f8fcf9b4a 100644 --- a/arch/x86/include/asm/ftrace.h +++ b/arch/x86/include/asm/ftrace.h @@ -46,7 +46,21 @@ int ftrace_int3_handler(struct pt_regs *regs); #endif /* CONFIG_FUNCTION_TRACER */ -#if !defined(__ASSEMBLY__) && !defined(COMPILE_OFFSETS) +#ifndef __ASSEMBLY__ + +#define ARCH_HAS_SYSCALL_MATCH_SYM_NAME +static inline bool arch_syscall_match_sym_name(const char *sym, const char *name) +{ + /* + * Compare the symbol name with the system call name. Skip the + * "__x64_sys", "__ia32_sys" or simple "sys" prefix. + */ + return !strcmp(sym + 3, name + 3) || + (!strncmp(sym, "__x64_", 6) && !strcmp(sym + 9, name + 3)) || + (!strncmp(sym, "__ia32_", 7) && !strcmp(sym + 10, name + 3)); +} + +#ifndef COMPILE_OFFSETS #if defined(CONFIG_FTRACE_SYSCALLS) && defined(CONFIG_IA32_EMULATION) #include <asm/compat.h> @@ -67,6 +81,7 @@ static inline bool arch_trace_is_compat_syscall(struct pt_regs *regs) return false; } #endif /* CONFIG_FTRACE_SYSCALLS && CONFIG_IA32_EMULATION */ -#endif /* !__ASSEMBLY__ && !COMPILE_OFFSETS */ +#endif /* !COMPILE_OFFSETS */ +#endif /* !__ASSEMBLY__ */ #endif /* _ASM_X86_FTRACE_H */ diff --git a/arch/x86/include/asm/irq_vectors.h b/arch/x86/include/asm/irq_vectors.h index 404c5fdff859..548d90bbf919 100644 --- a/arch/x86/include/asm/irq_vectors.h +++ b/arch/x86/include/asm/irq_vectors.h @@ -34,11 +34,6 @@ * (0x80 is the syscall vector, 0x30-0x3f are for ISA) */ #define FIRST_EXTERNAL_VECTOR 0x20 -/* - * We start allocating at 0x21 to spread out vectors evenly between - * priority levels. (0x80 is the syscall vector) - */ -#define VECTOR_OFFSET_START 1 /* * Reserve the lowest usable vector (and hence lowest priority) 0x20 for @@ -119,8 +114,6 @@ #define FIRST_SYSTEM_VECTOR NR_VECTORS #endif -#define FPU_IRQ 13 - /* * Size the maximum number of interrupts. * diff --git a/arch/x86/include/asm/jailhouse_para.h b/arch/x86/include/asm/jailhouse_para.h index b885a961a150..a34897aef2c2 100644 --- a/arch/x86/include/asm/jailhouse_para.h +++ b/arch/x86/include/asm/jailhouse_para.h @@ -1,4 +1,4 @@ -/* SPDX-License-Identifier: GPL2.0 */ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Jailhouse paravirt detection diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 5f49b4ff0c24..f1633de5a675 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -601,6 +601,11 @@ static inline pgprot_t pgprot_modify(pgprot_t oldprot, pgprot_t newprot) #define canon_pgprot(p) __pgprot(massage_pgprot(p)) +static inline pgprot_t arch_filter_pgprot(pgprot_t prot) +{ + return canon_pgprot(prot); +} + static inline int is_new_memtype_allowed(u64 paddr, unsigned long size, enum page_cache_mode pcm, enum page_cache_mode new_pcm) diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h index d5c21a382475..adb47552e6bb 100644 --- a/arch/x86/include/asm/pgtable_64_types.h +++ b/arch/x86/include/asm/pgtable_64_types.h @@ -105,14 +105,14 @@ extern unsigned int ptrs_per_p4d; #define LDT_PGD_ENTRY (pgtable_l5_enabled ? LDT_PGD_ENTRY_L5 : LDT_PGD_ENTRY_L4) #define LDT_BASE_ADDR (LDT_PGD_ENTRY << PGDIR_SHIFT) -#define __VMALLOC_BASE_L4 0xffffc90000000000 -#define __VMALLOC_BASE_L5 0xffa0000000000000 +#define __VMALLOC_BASE_L4 0xffffc90000000000UL +#define __VMALLOC_BASE_L5 0xffa0000000000000UL #define VMALLOC_SIZE_TB_L4 32UL #define VMALLOC_SIZE_TB_L5 12800UL -#define __VMEMMAP_BASE_L4 0xffffea0000000000 -#define __VMEMMAP_BASE_L5 0xffd4000000000000 +#define __VMEMMAP_BASE_L4 0xffffea0000000000UL +#define __VMEMMAP_BASE_L5 0xffd4000000000000UL #ifdef CONFIG_DYNAMIC_MEMORY_LAYOUT # define VMALLOC_START vmalloc_base diff --git a/arch/x86/include/uapi/asm/msgbuf.h b/arch/x86/include/uapi/asm/msgbuf.h index 809134c644a6..90ab9a795b49 100644 --- a/arch/x86/include/uapi/asm/msgbuf.h +++ b/arch/x86/include/uapi/asm/msgbuf.h @@ -1 +1,32 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef __ASM_X64_MSGBUF_H +#define __ASM_X64_MSGBUF_H + +#if !defined(__x86_64__) || !defined(__ILP32__) #include <asm-generic/msgbuf.h> +#else +/* + * The msqid64_ds structure for x86 architecture with x32 ABI. + * + * On x86-32 and x86-64 we can just use the generic definition, but + * x32 uses the same binary layout as x86_64, which is differnet + * from other 32-bit architectures. + */ + +struct msqid64_ds { + struct ipc64_perm msg_perm; + __kernel_time_t msg_stime; /* last msgsnd time */ + __kernel_time_t msg_rtime; /* last msgrcv time */ + __kernel_time_t msg_ctime; /* last change time */ + __kernel_ulong_t msg_cbytes; /* current number of bytes on queue */ + __kernel_ulong_t msg_qnum; /* number of messages in queue */ + __kernel_ulong_t msg_qbytes; /* max number of bytes on queue */ + __kernel_pid_t msg_lspid; /* pid of last msgsnd */ + __kernel_pid_t msg_lrpid; /* last receive pid */ + __kernel_ulong_t __unused4; + __kernel_ulong_t __unused5; +}; + +#endif + +#endif /* __ASM_GENERIC_MSGBUF_H */ diff --git a/arch/x86/include/uapi/asm/shmbuf.h b/arch/x86/include/uapi/asm/shmbuf.h index 83c05fc2de38..644421f3823b 100644 --- a/arch/x86/include/uapi/asm/shmbuf.h +++ b/arch/x86/include/uapi/asm/shmbuf.h @@ -1 +1,43 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef __ASM_X86_SHMBUF_H +#define __ASM_X86_SHMBUF_H + +#if !defined(__x86_64__) || !defined(__ILP32__) #include <asm-generic/shmbuf.h> +#else +/* + * The shmid64_ds structure for x86 architecture with x32 ABI. + * + * On x86-32 and x86-64 we can just use the generic definition, but + * x32 uses the same binary layout as x86_64, which is differnet + * from other 32-bit architectures. + */ + +struct shmid64_ds { + struct ipc64_perm shm_perm; /* operation perms */ + size_t shm_segsz; /* size of segment (bytes) */ + __kernel_time_t shm_atime; /* last attach time */ + __kernel_time_t shm_dtime; /* last detach time */ + __kernel_time_t shm_ctime; /* last change time */ + __kernel_pid_t shm_cpid; /* pid of creator */ + __kernel_pid_t shm_lpid; /* pid of last operator */ + __kernel_ulong_t shm_nattch; /* no. of current attaches */ + __kernel_ulong_t __unused4; + __kernel_ulong_t __unused5; +}; + +struct shminfo64 { + __kernel_ulong_t shmmax; + __kernel_ulong_t shmmin; + __kernel_ulong_t shmmni; + __kernel_ulong_t shmseg; + __kernel_ulong_t shmall; + __kernel_ulong_t __unused1; + __kernel_ulong_t __unused2; + __kernel_ulong_t __unused3; + __kernel_ulong_t __unused4; +}; + +#endif + +#endif /* __ASM_X86_SHMBUF_H */ diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index b9693b80fc21..60d1897041da 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -835,6 +835,9 @@ static const struct _tlb_table intel_tlb_table[] = { { 0x5d, TLB_DATA_4K_4M, 256, " TLB_DATA 4 KByte and 4 MByte pages" }, { 0x61, TLB_INST_4K, 48, " TLB_INST 4 KByte pages, full associative" }, { 0x63, TLB_DATA_1G, 4, " TLB_DATA 1 GByte pages, 4-way set associative" }, + { 0x6b, TLB_DATA_4K, 256, " TLB_DATA 4 KByte pages, 8-way associative" }, + { 0x6c, TLB_DATA_2M_4M, 128, " TLB_DATA 2 MByte or 4 MByte pages, 8-way associative" }, + { 0x6d, TLB_DATA_1G, 16, " TLB_DATA 1 GByte pages, fully associative" }, { 0x76, TLB_INST_2M_4M, 8, " TLB_INST 2-MByte or 4-MByte pages, fully associative" }, { 0xb0, TLB_INST_4K, 128, " TLB_INST 4 KByte pages, 4-way set associative" }, { 0xb1, TLB_INST_2M_4M, 4, " TLB_INST 2M pages, 4-way, 8 entries or 4M pages, 4-way entries" }, diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c index 10c4fc2c91f8..77e201301528 100644 --- a/arch/x86/kernel/cpu/microcode/core.c +++ b/arch/x86/kernel/cpu/microcode/core.c @@ -564,14 +564,12 @@ static int __reload_late(void *info) apply_microcode_local(&err); spin_unlock(&update_lock); + /* siblings return UCODE_OK because their engine got updated already */ if (err > UCODE_NFOUND) { pr_warn("Error reloading microcode on CPU %d\n", cpu); - return -1; - /* siblings return UCODE_OK because their engine got updated already */ + ret = -1; } else if (err == UCODE_UPDATED || err == UCODE_OK) { ret = 1; - } else { - return ret; } /* diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c index 32b8e5724f96..1c2cfa0644aa 100644 --- a/arch/x86/kernel/cpu/microcode/intel.c +++ b/arch/x86/kernel/cpu/microcode/intel.c @@ -485,7 +485,6 @@ static void show_saved_mc(void) */ static void save_mc_for_early(u8 *mc, unsigned int size) { -#ifdef CONFIG_HOTPLUG_CPU /* Synchronization during CPU hotplug. */ static DEFINE_MUTEX(x86_cpu_microcode_mutex); @@ -495,7 +494,6 @@ static void save_mc_for_early(u8 *mc, unsigned int size) show_saved_mc(); mutex_unlock(&x86_cpu_microcode_mutex); -#endif } static bool load_builtin_intel_microcode(struct cpio_data *cp) diff --git a/arch/x86/kernel/jailhouse.c b/arch/x86/kernel/jailhouse.c index fa183a131edc..a15fe0e92cf9 100644 --- a/arch/x86/kernel/jailhouse.c +++ b/arch/x86/kernel/jailhouse.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL2.0 +// SPDX-License-Identifier: GPL-2.0 /* * Jailhouse paravirt_ops implementation * diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 6285697b6e56..5c623dfe39d1 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -50,6 +50,7 @@ #include <linux/init_ohci1394_dma.h> #include <linux/kvm_para.h> #include <linux/dma-contiguous.h> +#include <xen/xen.h> #include <linux/errno.h> #include <linux/kernel.h> @@ -534,6 +535,11 @@ static void __init reserve_crashkernel(void) high = true; } + if (xen_pv_domain()) { + pr_info("Ignoring crashkernel for a Xen PV domain\n"); + return; + } + /* 0 means: find the address automatically */ if (crash_base <= 0) { /* diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 45175b81dd5b..0f1cbb042f49 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -1571,6 +1571,8 @@ static inline void mwait_play_dead(void) void *mwait_ptr; int i; + if (boot_cpu_data.x86_vendor == X86_VENDOR_AMD) + return; if (!this_cpu_has(X86_FEATURE_MWAIT)) return; if (!this_cpu_has(X86_FEATURE_CLFLUSH)) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index aa66ccd6ed6c..c7668806163f 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -4544,12 +4544,6 @@ static void vmx_flush_tlb(struct kvm_vcpu *vcpu, bool invalidate_gpa) __vmx_flush_tlb(vcpu, to_vmx(vcpu)->vpid, invalidate_gpa); } -static void vmx_flush_tlb_ept_only(struct kvm_vcpu *vcpu) -{ - if (enable_ept) - vmx_flush_tlb(vcpu, true); -} - static void vmx_decache_cr0_guest_bits(struct kvm_vcpu *vcpu) { ulong cr0_guest_owned_bits = vcpu->arch.cr0_guest_owned_bits; @@ -9278,7 +9272,7 @@ static void vmx_set_virtual_x2apic_mode(struct kvm_vcpu *vcpu, bool set) } else { sec_exec_control &= ~SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE; sec_exec_control |= SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES; - vmx_flush_tlb_ept_only(vcpu); + vmx_flush_tlb(vcpu, true); } vmcs_write32(SECONDARY_VM_EXEC_CONTROL, sec_exec_control); @@ -9306,7 +9300,7 @@ static void vmx_set_apic_access_page_addr(struct kvm_vcpu *vcpu, hpa_t hpa) !nested_cpu_has2(get_vmcs12(&vmx->vcpu), SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES)) { vmcs_write64(APIC_ACCESS_ADDR, hpa); - vmx_flush_tlb_ept_only(vcpu); + vmx_flush_tlb(vcpu, true); } } @@ -11220,7 +11214,7 @@ static int prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12, } } else if (nested_cpu_has2(vmcs12, SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES)) { - vmx_flush_tlb_ept_only(vcpu); + vmx_flush_tlb(vcpu, true); } /* @@ -12073,7 +12067,7 @@ static void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason, } else if (!nested_cpu_has_ept(vmcs12) && nested_cpu_has2(vmcs12, SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES)) { - vmx_flush_tlb_ept_only(vcpu); + vmx_flush_tlb(vcpu, true); } /* This is needed for same reason as it was needed in prepare_vmcs02 */ diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h index 7d35ce672989..c9492f764902 100644 --- a/arch/x86/kvm/x86.h +++ b/arch/x86/kvm/x86.h @@ -302,13 +302,6 @@ static inline u64 nsec_to_cycles(struct kvm_vcpu *vcpu, u64 nsec) __rem; \ }) -#define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0) -#define KVM_X86_DISABLE_EXITS_HTL (1 << 1) -#define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2) -#define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \ - KVM_X86_DISABLE_EXITS_HTL | \ - KVM_X86_DISABLE_EXITS_PAUSE) - static inline bool kvm_mwait_in_guest(struct kvm *kvm) { return kvm->arch.mwait_in_guest; diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 0f3d50f4c48c..3bded76e8d5c 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -93,6 +93,18 @@ void arch_report_meminfo(struct seq_file *m) static inline void split_page_count(int level) { } #endif +static inline int +within(unsigned long addr, unsigned long start, unsigned long end) +{ + return addr >= start && addr < end; +} + +static inline int +within_inclusive(unsigned long addr, unsigned long start, unsigned long end) +{ + return addr >= start && addr <= end; +} + #ifdef CONFIG_X86_64 static inline unsigned long highmap_start_pfn(void) @@ -106,20 +118,25 @@ static inline unsigned long highmap_end_pfn(void) return __pa_symbol(roundup(_brk_end, PMD_SIZE) - 1) >> PAGE_SHIFT; } -#endif - -static inline int -within(unsigned long addr, unsigned long start, unsigned long end) +static bool __cpa_pfn_in_highmap(unsigned long pfn) { - return addr >= start && addr < end; + /* + * Kernel text has an alias mapping at a high address, known + * here as "highmap". + */ + return within_inclusive(pfn, highmap_start_pfn(), highmap_end_pfn()); } -static inline int -within_inclusive(unsigned long addr, unsigned long start, unsigned long end) +#else + +static bool __cpa_pfn_in_highmap(unsigned long pfn) { - return addr >= start && addr <= end; + /* There is no highmap on 32-bit */ + return false; } +#endif + /* * Flushing functions */ @@ -172,7 +189,7 @@ static void __cpa_flush_all(void *arg) static void cpa_flush_all(unsigned long cache) { - BUG_ON(irqs_disabled()); + BUG_ON(irqs_disabled() && !early_boot_irqs_disabled); on_each_cpu(__cpa_flush_all, (void *) cache, 1); } @@ -236,7 +253,7 @@ static void cpa_flush_array(unsigned long *start, int numpages, int cache, unsigned long do_wbinvd = cache && numpages >= 1024; /* 4M threshold */ #endif - BUG_ON(irqs_disabled()); + BUG_ON(irqs_disabled() && !early_boot_irqs_disabled); on_each_cpu(__cpa_flush_all, (void *) do_wbinvd, 1); @@ -1183,6 +1200,10 @@ static int __cpa_process_fault(struct cpa_data *cpa, unsigned long vaddr, cpa->numpages = 1; cpa->pfn = __pa(vaddr) >> PAGE_SHIFT; return 0; + + } else if (__cpa_pfn_in_highmap(cpa->pfn)) { + /* Faults in the highmap are OK, so do not warn: */ + return -EFAULT; } else { WARN(1, KERN_WARNING "CPA: called for zero pte. " "vaddr = %lx cpa->vaddr = %lx\n", vaddr, @@ -1335,8 +1356,7 @@ static int cpa_process_alias(struct cpa_data *cpa) * to touch the high mapped kernel as well: */ if (!within(vaddr, (unsigned long)_text, _brk_end) && - within_inclusive(cpa->pfn, highmap_start_pfn(), - highmap_end_pfn())) { + __cpa_pfn_in_highmap(cpa->pfn)) { unsigned long temp_cpa_vaddr = (cpa->pfn << PAGE_SHIFT) + __START_KERNEL_map - phys_base; alias_cpa = *cpa; diff --git a/arch/x86/mm/pti.c b/arch/x86/mm/pti.c index f1fd52f449e0..4d418e705878 100644 --- a/arch/x86/mm/pti.c +++ b/arch/x86/mm/pti.c @@ -421,6 +421,16 @@ static inline bool pti_kernel_image_global_ok(void) if (boot_cpu_has(X86_FEATURE_K8)) return false; + /* + * RANDSTRUCT derives its hardening benefits from the + * attacker's lack of knowledge about the layout of kernel + * data structures. Keep the kernel image non-global in + * cases where RANDSTRUCT is in use to help keep the layout a + * secret. + */ + if (IS_ENABLED(CONFIG_GCC_PLUGIN_RANDSTRUCT)) + return false; + return true; } @@ -430,12 +440,24 @@ static inline bool pti_kernel_image_global_ok(void) */ void pti_clone_kernel_text(void) { + /* + * rodata is part of the kernel image and is normally + * readable on the filesystem or on the web. But, do not + * clone the areas past rodata, they might contain secrets. + */ unsigned long start = PFN_ALIGN(_text); - unsigned long end = ALIGN((unsigned long)_end, PMD_PAGE_SIZE); + unsigned long end = (unsigned long)__end_rodata_hpage_align; if (!pti_kernel_image_global_ok()) return; + pr_debug("mapping partial kernel image into user address space\n"); + + /* + * Note that this will undo _some_ of the work that + * pti_set_kernel_image_nonglobal() did to clear the + * global bit. + */ pti_clone_pmds(start, end, _PAGE_RW); } @@ -458,8 +480,6 @@ void pti_set_kernel_image_nonglobal(void) if (pti_kernel_image_global_ok()) return; - pr_debug("set kernel image non-global\n"); - set_memory_nonglobal(start, (end - start) >> PAGE_SHIFT); } diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index f0ecd98509d8..771ae9730ac6 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -4934,8 +4934,16 @@ static void bfq_prepare_request(struct request *rq, struct bio *bio) bool new_queue = false; bool bfqq_already_existing = false, split = false; - if (!rq->elv.icq) + /* + * Even if we don't have an icq attached, we should still clear + * the scheduler pointers, as they might point to previously + * allocated bic/bfqq structs. + */ + if (!rq->elv.icq) { + rq->elv.priv[0] = rq->elv.priv[1] = NULL; return; + } + bic = icq_to_bic(rq->elv.icq); spin_lock_irq(&bfqd->lock); diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 1c16694ae145..eb85cb87c40f 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -1177,26 +1177,20 @@ int blkcg_init_queue(struct request_queue *q) preloaded = !radix_tree_preload(GFP_KERNEL); - /* - * Make sure the root blkg exists and count the existing blkgs. As - * @q is bypassing at this point, blkg_lookup_create() can't be - * used. Open code insertion. - */ + /* Make sure the root blkg exists. */ rcu_read_lock(); spin_lock_irq(q->queue_lock); blkg = blkg_create(&blkcg_root, q, new_blkg); + if (IS_ERR(blkg)) + goto err_unlock; + q->root_blkg = blkg; + q->root_rl.blkg = blkg; spin_unlock_irq(q->queue_lock); rcu_read_unlock(); if (preloaded) radix_tree_preload_end(); - if (IS_ERR(blkg)) - return PTR_ERR(blkg); - - q->root_blkg = blkg; - q->root_rl.blkg = blkg; - ret = blk_throtl_init(q); if (ret) { spin_lock_irq(q->queue_lock); @@ -1204,6 +1198,13 @@ int blkcg_init_queue(struct request_queue *q) spin_unlock_irq(q->queue_lock); } return ret; + +err_unlock: + spin_unlock_irq(q->queue_lock); + rcu_read_unlock(); + if (preloaded) + radix_tree_preload_end(); + return PTR_ERR(blkg); } /** @@ -1410,9 +1411,6 @@ void blkcg_deactivate_policy(struct request_queue *q, __clear_bit(pol->plid, q->blkcg_pols); list_for_each_entry(blkg, &q->blkg_list, q_node) { - /* grab blkcg lock too while removing @pd from @blkg */ - spin_lock(&blkg->blkcg->lock); - if (blkg->pd[pol->plid]) { if (!blkg->pd[pol->plid]->offline && pol->pd_offline_fn) { @@ -1422,8 +1420,6 @@ void blkcg_deactivate_policy(struct request_queue *q, pol->pd_free_fn(blkg->pd[pol->plid]); blkg->pd[pol->plid] = NULL; } - - spin_unlock(&blkg->blkcg->lock); } spin_unlock_irq(q->queue_lock); diff --git a/block/blk-core.c b/block/blk-core.c index 806ce2442819..85909b431eb0 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -201,6 +201,10 @@ void blk_rq_init(struct request_queue *q, struct request *rq) rq->part = NULL; seqcount_init(&rq->gstate_seq); u64_stats_init(&rq->aborted_gstate_sync); + /* + * See comment of blk_mq_init_request + */ + WRITE_ONCE(rq->gstate, MQ_RQ_GEN_INC); } EXPORT_SYMBOL(blk_rq_init); @@ -915,7 +919,6 @@ int blk_queue_enter(struct request_queue *q, blk_mq_req_flags_t flags) while (true) { bool success = false; - int ret; rcu_read_lock(); if (percpu_ref_tryget_live(&q->q_usage_counter)) { @@ -947,14 +950,12 @@ int blk_queue_enter(struct request_queue *q, blk_mq_req_flags_t flags) */ smp_rmb(); - ret = wait_event_interruptible(q->mq_freeze_wq, - (atomic_read(&q->mq_freeze_depth) == 0 && - (preempt || !blk_queue_preempt_only(q))) || - blk_queue_dying(q)); + wait_event(q->mq_freeze_wq, + (atomic_read(&q->mq_freeze_depth) == 0 && + (preempt || !blk_queue_preempt_only(q))) || + blk_queue_dying(q)); if (blk_queue_dying(q)) return -ENODEV; - if (ret) - return ret; } } diff --git a/block/blk-mq.c b/block/blk-mq.c index 0dc9e341c2a7..c3621453ad87 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -2042,6 +2042,13 @@ static int blk_mq_init_request(struct blk_mq_tag_set *set, struct request *rq, seqcount_init(&rq->gstate_seq); u64_stats_init(&rq->aborted_gstate_sync); + /* + * start gstate with gen 1 instead of 0, otherwise it will be equal + * to aborted_gstate, and be identified timed out by + * blk_mq_terminate_expired. + */ + WRITE_ONCE(rq->gstate, MQ_RQ_GEN_INC); + return 0; } @@ -2329,7 +2336,7 @@ static void blk_mq_free_map_and_requests(struct blk_mq_tag_set *set, static void blk_mq_map_swqueue(struct request_queue *q) { - unsigned int i; + unsigned int i, hctx_idx; struct blk_mq_hw_ctx *hctx; struct blk_mq_ctx *ctx; struct blk_mq_tag_set *set = q->tag_set; @@ -2346,8 +2353,23 @@ static void blk_mq_map_swqueue(struct request_queue *q) /* * Map software to hardware queues. + * + * If the cpu isn't present, the cpu is mapped to first hctx. */ for_each_possible_cpu(i) { + hctx_idx = q->mq_map[i]; + /* unmapped hw queue can be remapped after CPU topo changed */ + if (!set->tags[hctx_idx] && + !__blk_mq_alloc_rq_map(set, hctx_idx)) { + /* + * If tags initialization fail for some hctx, + * that hctx won't be brought online. In this + * case, remap the current ctx to hctx[0] which + * is guaranteed to always have tags allocated + */ + q->mq_map[i] = 0; + } + ctx = per_cpu_ptr(q->queue_ctx, i); hctx = blk_mq_map_queue(q, i); @@ -2359,8 +2381,21 @@ static void blk_mq_map_swqueue(struct request_queue *q) mutex_unlock(&q->sysfs_lock); queue_for_each_hw_ctx(q, hctx, i) { - /* every hctx should get mapped by at least one CPU */ - WARN_ON(!hctx->nr_ctx); + /* + * If no software queues are mapped to this hardware queue, + * disable it and free the request entries. + */ + if (!hctx->nr_ctx) { + /* Never unmap queue 0. We need it as a + * fallback in case of a new remap fails + * allocation + */ + if (i && set->tags[i]) + blk_mq_free_map_and_requests(set, i); + + hctx->tags = NULL; + continue; + } hctx->tags = set->tags[i]; WARN_ON(!hctx->tags); diff --git a/block/blk-mq.h b/block/blk-mq.h index 88c558f71819..89b5cd3a6c70 100644 --- a/block/blk-mq.h +++ b/block/blk-mq.h @@ -7,6 +7,9 @@ struct blk_mq_tag_set; +/** + * struct blk_mq_ctx - State for a software queue facing the submitting CPUs + */ struct blk_mq_ctx { struct { spinlock_t lock; diff --git a/crypto/api.c b/crypto/api.c index 1d5290c67108..0ee632bba064 100644 --- a/crypto/api.c +++ b/crypto/api.c @@ -204,9 +204,14 @@ static struct crypto_alg *crypto_alg_lookup(const char *name, u32 type, down_read(&crypto_alg_sem); alg = __crypto_alg_lookup(name, type | test, mask | test); - if (!alg && test) - alg = __crypto_alg_lookup(name, type, mask) ? - ERR_PTR(-ELIBBAD) : NULL; + if (!alg && test) { + alg = __crypto_alg_lookup(name, type, mask); + if (alg && !crypto_is_larval(alg)) { + /* Test failed */ + crypto_mod_put(alg); + alg = ERR_PTR(-ELIBBAD); + } + } up_read(&crypto_alg_sem); return alg; diff --git a/crypto/drbg.c b/crypto/drbg.c index 4faa2781c964..466a112a4446 100644 --- a/crypto/drbg.c +++ b/crypto/drbg.c @@ -1134,8 +1134,10 @@ static inline void drbg_dealloc_state(struct drbg_state *drbg) if (!drbg) return; kzfree(drbg->Vbuf); + drbg->Vbuf = NULL; drbg->V = NULL; kzfree(drbg->Cbuf); + drbg->Cbuf = NULL; drbg->C = NULL; kzfree(drbg->scratchpadbuf); drbg->scratchpadbuf = NULL; diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c index 76fb96966f7b..2f2e737be0f8 100644 --- a/drivers/acpi/acpi_video.c +++ b/drivers/acpi/acpi_video.c @@ -2123,6 +2123,25 @@ static int __init intel_opregion_present(void) return opregion; } +static bool dmi_is_desktop(void) +{ + const char *chassis_type; + + chassis_type = dmi_get_system_info(DMI_CHASSIS_TYPE); + if (!chassis_type) + return false; + + if (!strcmp(chassis_type, "3") || /* 3: Desktop */ + !strcmp(chassis_type, "4") || /* 4: Low Profile Desktop */ + !strcmp(chassis_type, "5") || /* 5: Pizza Box */ + !strcmp(chassis_type, "6") || /* 6: Mini Tower */ + !strcmp(chassis_type, "7") || /* 7: Tower */ + !strcmp(chassis_type, "11")) /* 11: Main Server Chassis */ + return true; + + return false; +} + int acpi_video_register(void) { int ret = 0; @@ -2143,8 +2162,12 @@ int acpi_video_register(void) * win8 ready (where we also prefer the native backlight driver, so * normally the acpi_video code should not register there anyways). */ - if (only_lcd == -1) - only_lcd = acpi_osi_is_win8(); + if (only_lcd == -1) { + if (dmi_is_desktop() && acpi_osi_is_win8()) + only_lcd = true; + else + only_lcd = false; + } dmi_check_system(video_dmi_table); diff --git a/drivers/acpi/acpi_watchdog.c b/drivers/acpi/acpi_watchdog.c index ebb626ffb5fa..4bde16fb97d8 100644 --- a/drivers/acpi/acpi_watchdog.c +++ b/drivers/acpi/acpi_watchdog.c @@ -12,23 +12,64 @@ #define pr_fmt(fmt) "ACPI: watchdog: " fmt #include <linux/acpi.h> +#include <linux/dmi.h> #include <linux/ioport.h> #include <linux/platform_device.h> #include "internal.h" +static const struct dmi_system_id acpi_watchdog_skip[] = { + { + /* + * On Lenovo Z50-70 there are two issues with the WDAT + * table. First some of the instructions use RTC SRAM + * to store persistent information. This does not work well + * with Linux RTC driver. Second, more important thing is + * that the instructions do not actually reset the system. + * + * On this particular system iTCO_wdt seems to work just + * fine so we prefer that over WDAT for now. + * + * See also https://bugzilla.kernel.org/show_bug.cgi?id=199033. + */ + .ident = "Lenovo Z50-70", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "20354"), + DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo Z50-70"), + }, + }, + {} +}; + +static const struct acpi_table_wdat *acpi_watchdog_get_wdat(void) +{ + const struct acpi_table_wdat *wdat = NULL; + acpi_status status; + + if (acpi_disabled) + return NULL; + + if (dmi_check_system(acpi_watchdog_skip)) + return NULL; + + status = acpi_get_table(ACPI_SIG_WDAT, 0, + (struct acpi_table_header **)&wdat); + if (ACPI_FAILURE(status)) { + /* It is fine if there is no WDAT */ + return NULL; + } + + return wdat; +} + /** * Returns true if this system should prefer ACPI based watchdog instead of * the native one (which are typically the same hardware). */ bool acpi_has_watchdog(void) { - struct acpi_table_header hdr; - - if (acpi_disabled) - return false; - - return ACPI_SUCCESS(acpi_get_table_header(ACPI_SIG_WDAT, 0, &hdr)); + return !!acpi_watchdog_get_wdat(); } EXPORT_SYMBOL_GPL(acpi_has_watchdog); @@ -41,12 +82,10 @@ void __init acpi_watchdog_init(void) struct platform_device *pdev; struct resource *resources; size_t nresources = 0; - acpi_status status; int i; - status = acpi_get_table(ACPI_SIG_WDAT, 0, - (struct acpi_table_header **)&wdat); - if (ACPI_FAILURE(status)) { + wdat = acpi_watchdog_get_wdat(); + if (!wdat) { /* It is fine if there is no WDAT */ return; } diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index e1eee7a60fad..f1cc4f9d31cd 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -635,4 +635,26 @@ module_param_call(lid_init_state, NULL, 0644); MODULE_PARM_DESC(lid_init_state, "Behavior for reporting LID initial state"); -module_acpi_driver(acpi_button_driver); +static int acpi_button_register_driver(struct acpi_driver *driver) +{ + /* + * Modules such as nouveau.ko and i915.ko have a link time dependency + * on acpi_lid_open(), and would therefore not be loadable on ACPI + * capable kernels booted in non-ACPI mode if the return value of + * acpi_bus_register_driver() is returned from here with ACPI disabled + * when this driver is built as a module. + */ + if (acpi_disabled) + return 0; + + return acpi_bus_register_driver(driver); +} + +static void acpi_button_unregister_driver(struct acpi_driver *driver) +{ + if (!acpi_disabled) + acpi_bus_unregister_driver(driver); +} + +module_driver(acpi_button_driver, acpi_button_register_driver, + acpi_button_unregister_driver); diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index cc234e6a6297..970dd87d347c 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -2166,10 +2166,10 @@ int __init acpi_scan_init(void) acpi_cmos_rtc_init(); acpi_container_init(); acpi_memory_hotplug_init(); + acpi_watchdog_init(); acpi_pnp_init(); acpi_int340x_thermal_init(); acpi_amba_init(); - acpi_watchdog_init(); acpi_init_lpit(); acpi_scan_add_handler(&generic_device_handler); diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 99a1a650326d..974e58457697 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -364,6 +364,19 @@ static const struct dmi_system_id acpisleep_dmi_table[] __initconst = { DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360"), }, }, + /* + * ThinkPad X1 Tablet(2016) cannot do suspend-to-idle using + * the Low Power S0 Idle firmware interface (see + * https://bugzilla.kernel.org/show_bug.cgi?id=199057). + */ + { + .callback = init_no_lps0, + .ident = "ThinkPad X1 Tablet(2016)", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_MATCH(DMI_PRODUCT_NAME, "20GGA00L00"), + }, + }, {}, }; diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c index 594c228d2f02..4a3ac31c07d0 100644 --- a/drivers/amba/bus.c +++ b/drivers/amba/bus.c @@ -69,11 +69,12 @@ static ssize_t driver_override_show(struct device *_dev, struct device_attribute *attr, char *buf) { struct amba_device *dev = to_amba_device(_dev); + ssize_t len; - if (!dev->driver_override) - return 0; - - return sprintf(buf, "%s\n", dev->driver_override); + device_lock(_dev); + len = sprintf(buf, "%s\n", dev->driver_override); + device_unlock(_dev); + return len; } static ssize_t driver_override_store(struct device *_dev, @@ -81,9 +82,10 @@ static ssize_t driver_override_store(struct device *_dev, const char *buf, size_t count) { struct amba_device *dev = to_amba_device(_dev); - char *driver_override, *old = dev->driver_override, *cp; + char *driver_override, *old, *cp; - if (count > PATH_MAX) + /* We need to keep extra room for a newline */ + if (count >= (PAGE_SIZE - 1)) return -EINVAL; driver_override = kstrndup(buf, count, GFP_KERNEL); @@ -94,12 +96,15 @@ static ssize_t driver_override_store(struct device *_dev, if (cp) *cp = '\0'; + device_lock(_dev); + old = dev->driver_override; if (strlen(driver_override)) { dev->driver_override = driver_override; } else { kfree(driver_override); dev->driver_override = NULL; } + device_unlock(_dev); kfree(old); diff --git a/drivers/android/binder.c b/drivers/android/binder.c index 764b63a5aade..e578eee31589 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -2839,6 +2839,14 @@ static void binder_transaction(struct binder_proc *proc, else return_error = BR_DEAD_REPLY; mutex_unlock(&context->context_mgr_node_lock); + if (target_node && target_proc == proc) { + binder_user_error("%d:%d got transaction to context manager from process owning it\n", + proc->pid, thread->pid); + return_error = BR_FAILED_REPLY; + return_error_param = -EINVAL; + return_error_line = __LINE__; + goto err_invalid_target_handle; + } } if (!target_node) { /* diff --git a/drivers/base/dma-coherent.c b/drivers/base/dma-coherent.c index 1e6396bb807b..597d40893862 100644 --- a/drivers/base/dma-coherent.c +++ b/drivers/base/dma-coherent.c @@ -312,8 +312,9 @@ static int __dma_mmap_from_coherent(struct dma_coherent_mem *mem, * This checks whether the memory was allocated from the per-device * coherent memory pool and if so, maps that memory to the provided vma. * - * Returns 1 if we correctly mapped the memory, or 0 if the caller should - * proceed with mapping memory from generic pools. + * Returns 1 if @vaddr belongs to the device coherent pool and the caller + * should return @ret, or 0 if they should proceed with mapping memory from + * generic areas. */ int dma_mmap_from_dev_coherent(struct device *dev, struct vm_area_struct *vma, void *vaddr, size_t size, int *ret) diff --git a/drivers/base/dma-mapping.c b/drivers/base/dma-mapping.c index 3b118353ea17..d82566d6e237 100644 --- a/drivers/base/dma-mapping.c +++ b/drivers/base/dma-mapping.c @@ -226,7 +226,6 @@ int dma_common_mmap(struct device *dev, struct vm_area_struct *vma, #ifndef CONFIG_ARCH_NO_COHERENT_DMA_MMAP unsigned long user_count = vma_pages(vma); unsigned long count = PAGE_ALIGN(size) >> PAGE_SHIFT; - unsigned long pfn = page_to_pfn(virt_to_page(cpu_addr)); unsigned long off = vma->vm_pgoff; vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); @@ -234,12 +233,11 @@ int dma_common_mmap(struct device *dev, struct vm_area_struct *vma, if (dma_mmap_from_dev_coherent(dev, vma, cpu_addr, size, &ret)) return ret; - if (off < count && user_count <= (count - off)) { + if (off < count && user_count <= (count - off)) ret = remap_pfn_range(vma, vma->vm_start, - pfn + off, + page_to_pfn(virt_to_page(cpu_addr)) + off, user_count << PAGE_SHIFT, vma->vm_page_prot); - } #endif /* !CONFIG_ARCH_NO_COHERENT_DMA_MMAP */ return ret; diff --git a/drivers/base/firmware_loader/fallback.c b/drivers/base/firmware_loader/fallback.c index 31b5015b59fe..358354148dec 100644 --- a/drivers/base/firmware_loader/fallback.c +++ b/drivers/base/firmware_loader/fallback.c @@ -537,8 +537,8 @@ exit: } /** - * fw_load_sysfs_fallback - load a firmware via the syfs fallback mechanism - * @fw_sysfs: firmware syfs information for the firmware to load + * fw_load_sysfs_fallback - load a firmware via the sysfs fallback mechanism + * @fw_sysfs: firmware sysfs information for the firmware to load * @opt_flags: flags of options, FW_OPT_* * @timeout: timeout to wait for the load * diff --git a/drivers/base/firmware_loader/fallback.h b/drivers/base/firmware_loader/fallback.h index dfebc644ed35..f8255670a663 100644 --- a/drivers/base/firmware_loader/fallback.h +++ b/drivers/base/firmware_loader/fallback.h @@ -6,7 +6,7 @@ #include <linux/device.h> /** - * struct firmware_fallback_config - firmware fallback configuratioon settings + * struct firmware_fallback_config - firmware fallback configuration settings * * Helps describe and fine tune the fallback mechanism. * diff --git a/drivers/block/loop.c b/drivers/block/loop.c index c9d04497a415..5d4e31655d96 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -451,25 +451,47 @@ static int lo_req_flush(struct loop_device *lo, struct request *rq) static void lo_complete_rq(struct request *rq) { struct loop_cmd *cmd = blk_mq_rq_to_pdu(rq); + blk_status_t ret = BLK_STS_OK; - if (unlikely(req_op(cmd->rq) == REQ_OP_READ && cmd->use_aio && - cmd->ret >= 0 && cmd->ret < blk_rq_bytes(cmd->rq))) { - struct bio *bio = cmd->rq->bio; - - bio_advance(bio, cmd->ret); - zero_fill_bio(bio); + if (!cmd->use_aio || cmd->ret < 0 || cmd->ret == blk_rq_bytes(rq) || + req_op(rq) != REQ_OP_READ) { + if (cmd->ret < 0) + ret = BLK_STS_IOERR; + goto end_io; } - blk_mq_end_request(rq, cmd->ret < 0 ? BLK_STS_IOERR : BLK_STS_OK); + /* + * Short READ - if we got some data, advance our request and + * retry it. If we got no data, end the rest with EIO. + */ + if (cmd->ret) { + blk_update_request(rq, BLK_STS_OK, cmd->ret); + cmd->ret = 0; + blk_mq_requeue_request(rq, true); + } else { + if (cmd->use_aio) { + struct bio *bio = rq->bio; + + while (bio) { + zero_fill_bio(bio); + bio = bio->bi_next; + } + } + ret = BLK_STS_IOERR; +end_io: + blk_mq_end_request(rq, ret); + } } static void lo_rw_aio_do_completion(struct loop_cmd *cmd) { + struct request *rq = blk_mq_rq_from_pdu(cmd); + if (!atomic_dec_and_test(&cmd->ref)) return; kfree(cmd->bvec); cmd->bvec = NULL; - blk_mq_complete_request(cmd->rq); + blk_mq_complete_request(rq); } static void lo_rw_aio_complete(struct kiocb *iocb, long ret, long ret2) @@ -487,7 +509,7 @@ static int lo_rw_aio(struct loop_device *lo, struct loop_cmd *cmd, { struct iov_iter iter; struct bio_vec *bvec; - struct request *rq = cmd->rq; + struct request *rq = blk_mq_rq_from_pdu(cmd); struct bio *bio = rq->bio; struct file *file = lo->lo_backing_file; unsigned int offset; @@ -1702,15 +1724,16 @@ EXPORT_SYMBOL(loop_unregister_transfer); static blk_status_t loop_queue_rq(struct blk_mq_hw_ctx *hctx, const struct blk_mq_queue_data *bd) { - struct loop_cmd *cmd = blk_mq_rq_to_pdu(bd->rq); - struct loop_device *lo = cmd->rq->q->queuedata; + struct request *rq = bd->rq; + struct loop_cmd *cmd = blk_mq_rq_to_pdu(rq); + struct loop_device *lo = rq->q->queuedata; - blk_mq_start_request(bd->rq); + blk_mq_start_request(rq); if (lo->lo_state != Lo_bound) return BLK_STS_IOERR; - switch (req_op(cmd->rq)) { + switch (req_op(rq)) { case REQ_OP_FLUSH: case REQ_OP_DISCARD: case REQ_OP_WRITE_ZEROES: @@ -1723,8 +1746,8 @@ static blk_status_t loop_queue_rq(struct blk_mq_hw_ctx *hctx, /* always use the first bio's css */ #ifdef CONFIG_BLK_CGROUP - if (cmd->use_aio && cmd->rq->bio && cmd->rq->bio->bi_css) { - cmd->css = cmd->rq->bio->bi_css; + if (cmd->use_aio && rq->bio && rq->bio->bi_css) { + cmd->css = rq->bio->bi_css; css_get(cmd->css); } else #endif @@ -1736,8 +1759,9 @@ static blk_status_t loop_queue_rq(struct blk_mq_hw_ctx *hctx, static void loop_handle_cmd(struct loop_cmd *cmd) { - const bool write = op_is_write(req_op(cmd->rq)); - struct loop_device *lo = cmd->rq->q->queuedata; + struct request *rq = blk_mq_rq_from_pdu(cmd); + const bool write = op_is_write(req_op(rq)); + struct loop_device *lo = rq->q->queuedata; int ret = 0; if (write && (lo->lo_flags & LO_FLAGS_READ_ONLY)) { @@ -1745,12 +1769,12 @@ static void loop_handle_cmd(struct loop_cmd *cmd) goto failed; } - ret = do_req_filebacked(lo, cmd->rq); + ret = do_req_filebacked(lo, rq); failed: /* complete non-aio request */ if (!cmd->use_aio || ret) { cmd->ret = ret ? -EIO : 0; - blk_mq_complete_request(cmd->rq); + blk_mq_complete_request(rq); } } @@ -1767,9 +1791,7 @@ static int loop_init_request(struct blk_mq_tag_set *set, struct request *rq, { struct loop_cmd *cmd = blk_mq_rq_to_pdu(rq); - cmd->rq = rq; kthread_init_work(&cmd->work, loop_queue_work); - return 0; } diff --git a/drivers/block/loop.h b/drivers/block/loop.h index 0f45416e4fcf..b78de9879f4f 100644 --- a/drivers/block/loop.h +++ b/drivers/block/loop.h @@ -66,7 +66,6 @@ struct loop_device { struct loop_cmd { struct kthread_work work; - struct request *rq; bool use_aio; /* use AIO interface to handle I/O */ atomic_t ref; /* only for aio */ long ret; diff --git a/drivers/block/swim.c b/drivers/block/swim.c index 64e066eba72e..0e31884a9519 100644 --- a/drivers/block/swim.c +++ b/drivers/block/swim.c @@ -110,7 +110,7 @@ struct iwm { /* Select values for swim_select and swim_readbit */ #define READ_DATA_0 0x074 -#define TWOMEG_DRIVE 0x075 +#define ONEMEG_DRIVE 0x075 #define SINGLE_SIDED 0x076 #define DRIVE_PRESENT 0x077 #define DISK_IN 0x170 @@ -118,9 +118,9 @@ struct iwm { #define TRACK_ZERO 0x172 #define TACHO 0x173 #define READ_DATA_1 0x174 -#define MFM_MODE 0x175 +#define GCR_MODE 0x175 #define SEEK_COMPLETE 0x176 -#define ONEMEG_MEDIA 0x177 +#define TWOMEG_MEDIA 0x177 /* Bits in handshake register */ @@ -612,7 +612,6 @@ static void setup_medium(struct floppy_state *fs) struct floppy_struct *g; fs->disk_in = 1; fs->write_protected = swim_readbit(base, WRITE_PROT); - fs->type = swim_readbit(base, ONEMEG_MEDIA); if (swim_track00(base)) printk(KERN_ERR @@ -620,6 +619,9 @@ static void setup_medium(struct floppy_state *fs) swim_track00(base); + fs->type = swim_readbit(base, TWOMEG_MEDIA) ? + HD_MEDIA : DD_MEDIA; + fs->head_number = swim_readbit(base, SINGLE_SIDED) ? 1 : 2; get_floppy_geometry(fs, 0, &g); fs->total_secs = g->size; fs->secpercyl = g->head * g->sect; @@ -646,7 +648,7 @@ static int floppy_open(struct block_device *bdev, fmode_t mode) swim_write(base, setup, S_IBM_DRIVE | S_FCLK_DIV2); udelay(10); - swim_drive(base, INTERNAL_DRIVE); + swim_drive(base, fs->location); swim_motor(base, ON); swim_action(base, SETMFM); if (fs->ejected) @@ -656,6 +658,8 @@ static int floppy_open(struct block_device *bdev, fmode_t mode) goto out; } + set_capacity(fs->disk, fs->total_secs); + if (mode & FMODE_NDELAY) return 0; @@ -727,14 +731,9 @@ static int floppy_ioctl(struct block_device *bdev, fmode_t mode, if (copy_to_user((void __user *) param, (void *) &floppy_type, sizeof(struct floppy_struct))) return -EFAULT; - break; - - default: - printk(KERN_DEBUG "SWIM floppy_ioctl: unknown cmd %d\n", - cmd); - return -ENOSYS; + return 0; } - return 0; + return -ENOTTY; } static int floppy_getgeo(struct block_device *bdev, struct hd_geometry *geo) @@ -795,7 +794,7 @@ static struct kobject *floppy_find(dev_t dev, int *part, void *data) struct swim_priv *swd = data; int drive = (*part & 3); - if (drive > swd->floppy_count) + if (drive >= swd->floppy_count) return NULL; *part = 0; @@ -813,10 +812,9 @@ static int swim_add_floppy(struct swim_priv *swd, enum drive_location location) swim_motor(base, OFF); - if (swim_readbit(base, SINGLE_SIDED)) - fs->head_number = 1; - else - fs->head_number = 2; + fs->type = HD_MEDIA; + fs->head_number = 2; + fs->ref_count = 0; fs->ejected = 1; @@ -834,10 +832,12 @@ static int swim_floppy_init(struct swim_priv *swd) /* scan floppy drives */ swim_drive(base, INTERNAL_DRIVE); - if (swim_readbit(base, DRIVE_PRESENT)) + if (swim_readbit(base, DRIVE_PRESENT) && + !swim_readbit(base, ONEMEG_DRIVE)) swim_add_floppy(swd, INTERNAL_DRIVE); swim_drive(base, EXTERNAL_DRIVE); - if (swim_readbit(base, DRIVE_PRESENT)) + if (swim_readbit(base, DRIVE_PRESENT) && + !swim_readbit(base, ONEMEG_DRIVE)) swim_add_floppy(swd, EXTERNAL_DRIVE); /* register floppy drives */ @@ -861,7 +861,6 @@ static int swim_floppy_init(struct swim_priv *swd) &swd->lock); if (!swd->unit[drive].disk->queue) { err = -ENOMEM; - put_disk(swd->unit[drive].disk); goto exit_put_disks; } blk_queue_bounce_limit(swd->unit[drive].disk->queue, @@ -911,7 +910,7 @@ static int swim_probe(struct platform_device *dev) goto out; } - swim_base = ioremap(res->start, resource_size(res)); + swim_base = (struct swim __iomem *)res->start; if (!swim_base) { ret = -ENOMEM; goto out_release_io; @@ -923,7 +922,7 @@ static int swim_probe(struct platform_device *dev) if (!get_swim_mode(swim_base)) { printk(KERN_INFO "SWIM device not found !\n"); ret = -ENODEV; - goto out_iounmap; + goto out_release_io; } /* set platform driver data */ @@ -931,7 +930,7 @@ static int swim_probe(struct platform_device *dev) swd = kzalloc(sizeof(struct swim_priv), GFP_KERNEL); if (!swd) { ret = -ENOMEM; - goto out_iounmap; + goto out_release_io; } platform_set_drvdata(dev, swd); @@ -945,8 +944,6 @@ static int swim_probe(struct platform_device *dev) out_kfree: kfree(swd); -out_iounmap: - iounmap(swim_base); out_release_io: release_mem_region(res->start, resource_size(res)); out: @@ -974,8 +971,6 @@ static int swim_remove(struct platform_device *dev) for (drive = 0; drive < swd->floppy_count; drive++) floppy_eject(&swd->unit[drive]); - iounmap(swd->base); - res = platform_get_resource(dev, IORESOURCE_MEM, 0); if (res) release_mem_region(res->start, resource_size(res)); diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c index af51015d056e..469541c1e51e 100644 --- a/drivers/block/swim3.c +++ b/drivers/block/swim3.c @@ -148,7 +148,7 @@ struct swim3 { #define MOTOR_ON 2 #define RELAX 3 /* also eject in progress */ #define READ_DATA_0 4 -#define TWOMEG_DRIVE 5 +#define ONEMEG_DRIVE 5 #define SINGLE_SIDED 6 /* drive or diskette is 4MB type? */ #define DRIVE_PRESENT 7 #define DISK_IN 8 @@ -156,9 +156,9 @@ struct swim3 { #define TRACK_ZERO 10 #define TACHO 11 #define READ_DATA_1 12 -#define MFM_MODE 13 +#define GCR_MODE 13 #define SEEK_COMPLETE 14 -#define ONEMEG_MEDIA 15 +#define TWOMEG_MEDIA 15 /* Definitions of values used in writing and formatting */ #define DATA_ESCAPE 0x99 diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig index d1c0b60e9326..6dc177bf4c42 100644 --- a/drivers/bus/Kconfig +++ b/drivers/bus/Kconfig @@ -33,6 +33,7 @@ config HISILICON_LPC bool "Support for ISA I/O space on HiSilicon Hip06/7" depends on ARM64 && (ARCH_HISI || COMPILE_TEST) select INDIRECT_PIO + select MFD_CORE if ACPI help Driver to enable I/O access to devices attached to the Low Pin Count bus on the HiSilicon Hip06/7 SoC. diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c index 8327478effd0..bfc566d3f31a 100644 --- a/drivers/cdrom/cdrom.c +++ b/drivers/cdrom/cdrom.c @@ -2371,7 +2371,7 @@ static int cdrom_ioctl_media_changed(struct cdrom_device_info *cdi, if (!CDROM_CAN(CDC_SELECT_DISC) || arg == CDSL_CURRENT) return media_changed(cdi, 1); - if ((unsigned int)arg >= cdi->capacity) + if (arg >= cdi->capacity) return -EINVAL; info = kmalloc(sizeof(*info), GFP_KERNEL); diff --git a/drivers/char/random.c b/drivers/char/random.c index 3cd3aae24d6d..cd888d4ee605 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -261,6 +261,7 @@ #include <linux/ptrace.h> #include <linux/workqueue.h> #include <linux/irq.h> +#include <linux/ratelimit.h> #include <linux/syscalls.h> #include <linux/completion.h> #include <linux/uuid.h> @@ -438,6 +439,16 @@ static void _crng_backtrack_protect(struct crng_state *crng, static void process_random_ready_list(void); static void _get_random_bytes(void *buf, int nbytes); +static struct ratelimit_state unseeded_warning = + RATELIMIT_STATE_INIT("warn_unseeded_randomness", HZ, 3); +static struct ratelimit_state urandom_warning = + RATELIMIT_STATE_INIT("warn_urandom_randomness", HZ, 3); + +static int ratelimit_disable __read_mostly; + +module_param_named(ratelimit_disable, ratelimit_disable, int, 0644); +MODULE_PARM_DESC(ratelimit_disable, "Disable random ratelimit suppression"); + /********************************************************************** * * OS independent entropy store. Here are the functions which handle @@ -789,7 +800,7 @@ static void crng_initialize(struct crng_state *crng) } #ifdef CONFIG_NUMA -static void numa_crng_init(void) +static void do_numa_crng_init(struct work_struct *work) { int i; struct crng_state *crng; @@ -810,6 +821,13 @@ static void numa_crng_init(void) kfree(pool); } } + +static DECLARE_WORK(numa_crng_init_work, do_numa_crng_init); + +static void numa_crng_init(void) +{ + schedule_work(&numa_crng_init_work); +} #else static void numa_crng_init(void) {} #endif @@ -925,6 +943,18 @@ static void crng_reseed(struct crng_state *crng, struct entropy_store *r) process_random_ready_list(); wake_up_interruptible(&crng_init_wait); pr_notice("random: crng init done\n"); + if (unseeded_warning.missed) { + pr_notice("random: %d get_random_xx warning(s) missed " + "due to ratelimiting\n", + unseeded_warning.missed); + unseeded_warning.missed = 0; + } + if (urandom_warning.missed) { + pr_notice("random: %d urandom warning(s) missed " + "due to ratelimiting\n", + urandom_warning.missed); + urandom_warning.missed = 0; + } } } @@ -1565,8 +1595,9 @@ static void _warn_unseeded_randomness(const char *func_name, void *caller, #ifndef CONFIG_WARN_ALL_UNSEEDED_RANDOM print_once = true; #endif - pr_notice("random: %s called from %pS with crng_init=%d\n", - func_name, caller, crng_init); + if (__ratelimit(&unseeded_warning)) + pr_notice("random: %s called from %pS with crng_init=%d\n", + func_name, caller, crng_init); } /* @@ -1760,6 +1791,10 @@ static int rand_initialize(void) init_std_data(&blocking_pool); crng_initialize(&primary_crng); crng_global_init_time = jiffies; + if (ratelimit_disable) { + urandom_warning.interval = 0; + unseeded_warning.interval = 0; + } return 0; } early_initcall(rand_initialize); @@ -1827,9 +1862,10 @@ urandom_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos) if (!crng_ready() && maxwarn > 0) { maxwarn--; - printk(KERN_NOTICE "random: %s: uninitialized urandom read " - "(%zd bytes read)\n", - current->comm, nbytes); + if (__ratelimit(&urandom_warning)) + printk(KERN_NOTICE "random: %s: uninitialized " + "urandom read (%zd bytes read)\n", + current->comm, nbytes); spin_lock_irqsave(&primary_crng.lock, flags); crng_init_cnt = 0; spin_unlock_irqrestore(&primary_crng.lock, flags); diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 468f06134012..21085515814f 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -422,7 +422,7 @@ static void reclaim_dma_bufs(void) } } -static struct port_buffer *alloc_buf(struct virtqueue *vq, size_t buf_size, +static struct port_buffer *alloc_buf(struct virtio_device *vdev, size_t buf_size, int pages) { struct port_buffer *buf; @@ -445,16 +445,16 @@ static struct port_buffer *alloc_buf(struct virtqueue *vq, size_t buf_size, return buf; } - if (is_rproc_serial(vq->vdev)) { + if (is_rproc_serial(vdev)) { /* * Allocate DMA memory from ancestor. When a virtio * device is created by remoteproc, the DMA memory is * associated with the grandparent device: * vdev => rproc => platform-dev. */ - if (!vq->vdev->dev.parent || !vq->vdev->dev.parent->parent) + if (!vdev->dev.parent || !vdev->dev.parent->parent) goto free_buf; - buf->dev = vq->vdev->dev.parent->parent; + buf->dev = vdev->dev.parent->parent; /* Increase device refcnt to avoid freeing it */ get_device(buf->dev); @@ -838,7 +838,7 @@ static ssize_t port_fops_write(struct file *filp, const char __user *ubuf, count = min((size_t)(32 * 1024), count); - buf = alloc_buf(port->out_vq, count, 0); + buf = alloc_buf(port->portdev->vdev, count, 0); if (!buf) return -ENOMEM; @@ -957,7 +957,7 @@ static ssize_t port_fops_splice_write(struct pipe_inode_info *pipe, if (ret < 0) goto error_out; - buf = alloc_buf(port->out_vq, 0, pipe->nrbufs); + buf = alloc_buf(port->portdev->vdev, 0, pipe->nrbufs); if (!buf) { ret = -ENOMEM; goto error_out; @@ -1374,7 +1374,7 @@ static unsigned int fill_queue(struct virtqueue *vq, spinlock_t *lock) nr_added_bufs = 0; do { - buf = alloc_buf(vq, PAGE_SIZE, 0); + buf = alloc_buf(vq->vdev, PAGE_SIZE, 0); if (!buf) break; @@ -1402,7 +1402,6 @@ static int add_port(struct ports_device *portdev, u32 id) { char debugfs_name[16]; struct port *port; - struct port_buffer *buf; dev_t devt; unsigned int nr_added_bufs; int err; @@ -1513,8 +1512,6 @@ static int add_port(struct ports_device *portdev, u32 id) return 0; free_inbufs: - while ((buf = virtqueue_detach_unused_buf(port->in_vq))) - free_buf(buf, true); free_device: device_destroy(pdrvdata.class, port->dev->devt); free_cdev: @@ -1539,34 +1536,14 @@ static void remove_port(struct kref *kref) static void remove_port_data(struct port *port) { - struct port_buffer *buf; - spin_lock_irq(&port->inbuf_lock); /* Remove unused data this port might have received. */ discard_port_data(port); spin_unlock_irq(&port->inbuf_lock); - /* Remove buffers we queued up for the Host to send us data in. */ - do { - spin_lock_irq(&port->inbuf_lock); - buf = virtqueue_detach_unused_buf(port->in_vq); - spin_unlock_irq(&port->inbuf_lock); - if (buf) - free_buf(buf, true); - } while (buf); - spin_lock_irq(&port->outvq_lock); reclaim_consumed_buffers(port); spin_unlock_irq(&port->outvq_lock); - - /* Free pending buffers from the out-queue. */ - do { - spin_lock_irq(&port->outvq_lock); - buf = virtqueue_detach_unused_buf(port->out_vq); - spin_unlock_irq(&port->outvq_lock); - if (buf) - free_buf(buf, true); - } while (buf); } /* @@ -1791,13 +1768,24 @@ static void control_work_handler(struct work_struct *work) spin_unlock(&portdev->c_ivq_lock); } +static void flush_bufs(struct virtqueue *vq, bool can_sleep) +{ + struct port_buffer *buf; + unsigned int len; + + while ((buf = virtqueue_get_buf(vq, &len))) + free_buf(buf, can_sleep); +} + static void out_intr(struct virtqueue *vq) { struct port *port; port = find_port_by_vq(vq->vdev->priv, vq); - if (!port) + if (!port) { + flush_bufs(vq, false); return; + } wake_up_interruptible(&port->waitqueue); } @@ -1808,8 +1796,10 @@ static void in_intr(struct virtqueue *vq) unsigned long flags; port = find_port_by_vq(vq->vdev->priv, vq); - if (!port) + if (!port) { + flush_bufs(vq, false); return; + } spin_lock_irqsave(&port->inbuf_lock, flags); port->inbuf = get_inbuf(port); @@ -1984,24 +1974,54 @@ static const struct file_operations portdev_fops = { static void remove_vqs(struct ports_device *portdev) { + struct virtqueue *vq; + + virtio_device_for_each_vq(portdev->vdev, vq) { + struct port_buffer *buf; + + flush_bufs(vq, true); + while ((buf = virtqueue_detach_unused_buf(vq))) + free_buf(buf, true); + } portdev->vdev->config->del_vqs(portdev->vdev); kfree(portdev->in_vqs); kfree(portdev->out_vqs); } -static void remove_controlq_data(struct ports_device *portdev) +static void virtcons_remove(struct virtio_device *vdev) { - struct port_buffer *buf; - unsigned int len; + struct ports_device *portdev; + struct port *port, *port2; - if (!use_multiport(portdev)) - return; + portdev = vdev->priv; - while ((buf = virtqueue_get_buf(portdev->c_ivq, &len))) - free_buf(buf, true); + spin_lock_irq(&pdrvdata_lock); + list_del(&portdev->list); + spin_unlock_irq(&pdrvdata_lock); - while ((buf = virtqueue_detach_unused_buf(portdev->c_ivq))) - free_buf(buf, true); + /* Disable interrupts for vqs */ + vdev->config->reset(vdev); + /* Finish up work that's lined up */ + if (use_multiport(portdev)) + cancel_work_sync(&portdev->control_work); + else + cancel_work_sync(&portdev->config_work); + + list_for_each_entry_safe(port, port2, &portdev->ports, list) + unplug_port(port); + + unregister_chrdev(portdev->chr_major, "virtio-portsdev"); + + /* + * When yanking out a device, we immediately lose the + * (device-side) queues. So there's no point in keeping the + * guest side around till we drop our final reference. This + * also means that any ports which are in an open state will + * have to just stop using the port, as the vqs are going + * away. + */ + remove_vqs(portdev); + kfree(portdev); } /* @@ -2070,6 +2090,7 @@ static int virtcons_probe(struct virtio_device *vdev) spin_lock_init(&portdev->ports_lock); INIT_LIST_HEAD(&portdev->ports); + INIT_LIST_HEAD(&portdev->list); virtio_device_ready(portdev->vdev); @@ -2087,8 +2108,15 @@ static int virtcons_probe(struct virtio_device *vdev) if (!nr_added_bufs) { dev_err(&vdev->dev, "Error allocating buffers for control queue\n"); - err = -ENOMEM; - goto free_vqs; + /* + * The host might want to notify mgmt sw about device + * add failure. + */ + __send_control_msg(portdev, VIRTIO_CONSOLE_BAD_ID, + VIRTIO_CONSOLE_DEVICE_READY, 0); + /* Device was functional: we need full cleanup. */ + virtcons_remove(vdev); + return -ENOMEM; } } else { /* @@ -2119,11 +2147,6 @@ static int virtcons_probe(struct virtio_device *vdev) return 0; -free_vqs: - /* The host might want to notify mgmt sw about device add failure */ - __send_control_msg(portdev, VIRTIO_CONSOLE_BAD_ID, - VIRTIO_CONSOLE_DEVICE_READY, 0); - remove_vqs(portdev); free_chrdev: unregister_chrdev(portdev->chr_major, "virtio-portsdev"); free: @@ -2132,43 +2155,6 @@ fail: return err; } -static void virtcons_remove(struct virtio_device *vdev) -{ - struct ports_device *portdev; - struct port *port, *port2; - - portdev = vdev->priv; - - spin_lock_irq(&pdrvdata_lock); - list_del(&portdev->list); - spin_unlock_irq(&pdrvdata_lock); - - /* Disable interrupts for vqs */ - vdev->config->reset(vdev); - /* Finish up work that's lined up */ - if (use_multiport(portdev)) - cancel_work_sync(&portdev->control_work); - else - cancel_work_sync(&portdev->config_work); - - list_for_each_entry_safe(port, port2, &portdev->ports, list) - unplug_port(port); - - unregister_chrdev(portdev->chr_major, "virtio-portsdev"); - - /* - * When yanking out a device, we immediately lose the - * (device-side) queues. So there's no point in keeping the - * guest side around till we drop our final reference. This - * also means that any ports which are in an open state will - * have to just stop using the port, as the vqs are going - * away. - */ - remove_controlq_data(portdev); - remove_vqs(portdev); - kfree(portdev); -} - static struct virtio_device_id id_table[] = { { VIRTIO_ID_CONSOLE, VIRTIO_DEV_ANY_ID }, { 0 }, @@ -2209,7 +2195,6 @@ static int virtcons_freeze(struct virtio_device *vdev) */ if (use_multiport(portdev)) virtqueue_disable_cb(portdev->c_ivq); - remove_controlq_data(portdev); list_for_each_entry(port, &portdev->ports, list) { virtqueue_disable_cb(port->in_vq); diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm index 7f56fe5183f2..de55c7d57438 100644 --- a/drivers/cpufreq/Kconfig.arm +++ b/drivers/cpufreq/Kconfig.arm @@ -71,16 +71,6 @@ config ARM_BRCMSTB_AVS_CPUFREQ Say Y, if you have a Broadcom SoC with AVS support for DFS or DVFS. -config ARM_BRCMSTB_AVS_CPUFREQ_DEBUG - bool "Broadcom STB AVS CPUfreq driver sysfs debug capability" - depends on ARM_BRCMSTB_AVS_CPUFREQ - help - Enabling this option turns on debug support via sysfs under - /sys/kernel/debug/brcmstb-avs-cpufreq. It is possible to read all and - write some AVS mailbox registers through sysfs entries. - - If in doubt, say N. - config ARM_EXYNOS5440_CPUFREQ tristate "SAMSUNG EXYNOS5440" depends on SOC_EXYNOS5440 diff --git a/drivers/cpufreq/brcmstb-avs-cpufreq.c b/drivers/cpufreq/brcmstb-avs-cpufreq.c index 6cdac1aaf23c..b07559b9ed99 100644 --- a/drivers/cpufreq/brcmstb-avs-cpufreq.c +++ b/drivers/cpufreq/brcmstb-avs-cpufreq.c @@ -49,13 +49,6 @@ #include <linux/platform_device.h> #include <linux/semaphore.h> -#ifdef CONFIG_ARM_BRCMSTB_AVS_CPUFREQ_DEBUG -#include <linux/ctype.h> -#include <linux/debugfs.h> -#include <linux/slab.h> -#include <linux/uaccess.h> -#endif - /* Max number of arguments AVS calls take */ #define AVS_MAX_CMD_ARGS 4 /* @@ -182,88 +175,11 @@ struct private_data { void __iomem *base; void __iomem *avs_intr_base; struct device *dev; -#ifdef CONFIG_ARM_BRCMSTB_AVS_CPUFREQ_DEBUG - struct dentry *debugfs; -#endif struct completion done; struct semaphore sem; struct pmap pmap; }; -#ifdef CONFIG_ARM_BRCMSTB_AVS_CPUFREQ_DEBUG - -enum debugfs_format { - DEBUGFS_NORMAL, - DEBUGFS_FLOAT, - DEBUGFS_REV, -}; - -struct debugfs_data { - struct debugfs_entry *entry; - struct private_data *priv; -}; - -struct debugfs_entry { - char *name; - u32 offset; - fmode_t mode; - enum debugfs_format format; -}; - -#define DEBUGFS_ENTRY(name, mode, format) { \ - #name, AVS_MBOX_##name, mode, format \ -} - -/* - * These are used for debugfs only. Otherwise we use AVS_MBOX_PARAM() directly. - */ -#define AVS_MBOX_PARAM1 AVS_MBOX_PARAM(0) -#define AVS_MBOX_PARAM2 AVS_MBOX_PARAM(1) -#define AVS_MBOX_PARAM3 AVS_MBOX_PARAM(2) -#define AVS_MBOX_PARAM4 AVS_MBOX_PARAM(3) - -/* - * This table stores the name, access permissions and offset for each hardware - * register and is used to generate debugfs entries. - */ -static struct debugfs_entry debugfs_entries[] = { - DEBUGFS_ENTRY(COMMAND, S_IWUSR, DEBUGFS_NORMAL), - DEBUGFS_ENTRY(STATUS, S_IWUSR, DEBUGFS_NORMAL), - DEBUGFS_ENTRY(VOLTAGE0, 0, DEBUGFS_FLOAT), - DEBUGFS_ENTRY(TEMP0, 0, DEBUGFS_FLOAT), - DEBUGFS_ENTRY(PV0, 0, DEBUGFS_FLOAT), - DEBUGFS_ENTRY(MV0, 0, DEBUGFS_FLOAT), - DEBUGFS_ENTRY(PARAM1, S_IWUSR, DEBUGFS_NORMAL), - DEBUGFS_ENTRY(PARAM2, S_IWUSR, DEBUGFS_NORMAL), - DEBUGFS_ENTRY(PARAM3, S_IWUSR, DEBUGFS_NORMAL), - DEBUGFS_ENTRY(PARAM4, S_IWUSR, DEBUGFS_NORMAL), - DEBUGFS_ENTRY(REVISION, 0, DEBUGFS_REV), - DEBUGFS_ENTRY(PSTATE, 0, DEBUGFS_NORMAL), - DEBUGFS_ENTRY(HEARTBEAT, 0, DEBUGFS_NORMAL), - DEBUGFS_ENTRY(MAGIC, S_IWUSR, DEBUGFS_NORMAL), - DEBUGFS_ENTRY(SIGMA_HVT, 0, DEBUGFS_NORMAL), - DEBUGFS_ENTRY(SIGMA_SVT, 0, DEBUGFS_NORMAL), - DEBUGFS_ENTRY(VOLTAGE1, 0, DEBUGFS_FLOAT), - DEBUGFS_ENTRY(TEMP1, 0, DEBUGFS_FLOAT), - DEBUGFS_ENTRY(PV1, 0, DEBUGFS_FLOAT), - DEBUGFS_ENTRY(MV1, 0, DEBUGFS_FLOAT), - DEBUGFS_ENTRY(FREQUENCY, 0, DEBUGFS_NORMAL), -}; - -static int brcm_avs_target_index(struct cpufreq_policy *, unsigned int); - -static char *__strtolower(char *s) -{ - char *p; - - for (p = s; *p; p++) - *p = tolower(*p); - - return s; -} - -#endif /* CONFIG_ARM_BRCMSTB_AVS_CPUFREQ_DEBUG */ - static void __iomem *__map_region(const char *name) { struct device_node *np; @@ -516,238 +432,6 @@ brcm_avs_get_freq_table(struct device *dev, struct private_data *priv) return table; } -#ifdef CONFIG_ARM_BRCMSTB_AVS_CPUFREQ_DEBUG - -#define MANT(x) (unsigned int)(abs((x)) / 1000) -#define FRAC(x) (unsigned int)(abs((x)) - abs((x)) / 1000 * 1000) - -static int brcm_avs_debug_show(struct seq_file *s, void *data) -{ - struct debugfs_data *dbgfs = s->private; - void __iomem *base; - u32 val, offset; - - if (!dbgfs) { - seq_puts(s, "No device pointer\n"); - return 0; - } - - base = dbgfs->priv->base; - offset = dbgfs->entry->offset; - val = readl(base + offset); - switch (dbgfs->entry->format) { - case DEBUGFS_NORMAL: - seq_printf(s, "%u\n", val); - break; - case DEBUGFS_FLOAT: - seq_printf(s, "%d.%03d\n", MANT(val), FRAC(val)); - break; - case DEBUGFS_REV: - seq_printf(s, "%c.%c.%c.%c\n", (val >> 24 & 0xff), - (val >> 16 & 0xff), (val >> 8 & 0xff), - val & 0xff); - break; - } - seq_printf(s, "0x%08x\n", val); - - return 0; -} - -#undef MANT -#undef FRAC - -static ssize_t brcm_avs_seq_write(struct file *file, const char __user *buf, - size_t size, loff_t *ppos) -{ - struct seq_file *s = file->private_data; - struct debugfs_data *dbgfs = s->private; - struct private_data *priv = dbgfs->priv; - void __iomem *base, *avs_intr_base; - bool use_issue_command = false; - unsigned long val, offset; - char str[128]; - int ret; - char *str_ptr = str; - - if (size >= sizeof(str)) - return -E2BIG; - - memset(str, 0, sizeof(str)); - ret = copy_from_user(str, buf, size); - if (ret) - return ret; - - base = priv->base; - avs_intr_base = priv->avs_intr_base; - offset = dbgfs->entry->offset; - /* - * Special case writing to "command" entry only: if the string starts - * with a 'c', we use the driver's __issue_avs_command() function. - * Otherwise, we perform a raw write. This should allow testing of raw - * access as well as using the higher level function. (Raw access - * doesn't clear the firmware return status after issuing the command.) - */ - if (str_ptr[0] == 'c' && offset == AVS_MBOX_COMMAND) { - use_issue_command = true; - str_ptr++; - } - if (kstrtoul(str_ptr, 0, &val) != 0) - return -EINVAL; - - /* - * Setting the P-state is a special case. We need to update the CPU - * frequency we report. - */ - if (val == AVS_CMD_SET_PSTATE) { - struct cpufreq_policy *policy; - unsigned int pstate; - - policy = cpufreq_cpu_get(smp_processor_id()); - /* Read back the P-state we are about to set */ - pstate = readl(base + AVS_MBOX_PARAM(0)); - if (use_issue_command) { - ret = brcm_avs_target_index(policy, pstate); - return ret ? ret : size; - } - policy->cur = policy->freq_table[pstate].frequency; - } - - if (use_issue_command) { - ret = __issue_avs_command(priv, val, false, NULL); - } else { - /* Locking here is not perfect, but is only for debug. */ - ret = down_interruptible(&priv->sem); - if (ret) - return ret; - - writel(val, base + offset); - /* We have to wake up the firmware to process a command. */ - if (offset == AVS_MBOX_COMMAND) - writel(AVS_CPU_L2_INT_MASK, - avs_intr_base + AVS_CPU_L2_SET0); - up(&priv->sem); - } - - return ret ? ret : size; -} - -static struct debugfs_entry *__find_debugfs_entry(const char *name) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(debugfs_entries); i++) - if (strcasecmp(debugfs_entries[i].name, name) == 0) - return &debugfs_entries[i]; - - return NULL; -} - -static int brcm_avs_debug_open(struct inode *inode, struct file *file) -{ - struct debugfs_data *data; - fmode_t fmode; - int ret; - - /* - * seq_open(), which is called by single_open(), clears "write" access. - * We need write access to some files, so we preserve our access mode - * and restore it. - */ - fmode = file->f_mode; - /* - * Check access permissions even for root. We don't want to be writing - * to read-only registers. Access for regular users has already been - * checked by the VFS layer. - */ - if ((fmode & FMODE_WRITER) && !(inode->i_mode & S_IWUSR)) - return -EACCES; - - data = kmalloc(sizeof(*data), GFP_KERNEL); - if (!data) - return -ENOMEM; - /* - * We use the same file system operations for all our debug files. To - * produce specific output, we look up the file name upon opening a - * debugfs entry and map it to a memory offset. This offset is then used - * in the generic "show" function to read a specific register. - */ - data->entry = __find_debugfs_entry(file->f_path.dentry->d_iname); - data->priv = inode->i_private; - - ret = single_open(file, brcm_avs_debug_show, data); - if (ret) - kfree(data); - file->f_mode = fmode; - - return ret; -} - -static int brcm_avs_debug_release(struct inode *inode, struct file *file) -{ - struct seq_file *seq_priv = file->private_data; - struct debugfs_data *data = seq_priv->private; - - kfree(data); - return single_release(inode, file); -} - -static const struct file_operations brcm_avs_debug_ops = { - .open = brcm_avs_debug_open, - .read = seq_read, - .write = brcm_avs_seq_write, - .llseek = seq_lseek, - .release = brcm_avs_debug_release, -}; - -static void brcm_avs_cpufreq_debug_init(struct platform_device *pdev) -{ - struct private_data *priv = platform_get_drvdata(pdev); - struct dentry *dir; - int i; - - if (!priv) - return; - - dir = debugfs_create_dir(BRCM_AVS_CPUFREQ_NAME, NULL); - if (IS_ERR_OR_NULL(dir)) - return; - priv->debugfs = dir; - - for (i = 0; i < ARRAY_SIZE(debugfs_entries); i++) { - /* - * The DEBUGFS_ENTRY macro generates uppercase strings. We - * convert them to lowercase before creating the debugfs - * entries. - */ - char *entry = __strtolower(debugfs_entries[i].name); - fmode_t mode = debugfs_entries[i].mode; - - if (!debugfs_create_file(entry, S_IFREG | S_IRUGO | mode, - dir, priv, &brcm_avs_debug_ops)) { - priv->debugfs = NULL; - debugfs_remove_recursive(dir); - break; - } - } -} - -static void brcm_avs_cpufreq_debug_exit(struct platform_device *pdev) -{ - struct private_data *priv = platform_get_drvdata(pdev); - - if (priv && priv->debugfs) { - debugfs_remove_recursive(priv->debugfs); - priv->debugfs = NULL; - } -} - -#else - -static void brcm_avs_cpufreq_debug_init(struct platform_device *pdev) {} -static void brcm_avs_cpufreq_debug_exit(struct platform_device *pdev) {} - -#endif /* CONFIG_ARM_BRCMSTB_AVS_CPUFREQ_DEBUG */ - /* * To ensure the right firmware is running we need to * - check the MAGIC matches what we expect @@ -1016,11 +700,8 @@ static int brcm_avs_cpufreq_probe(struct platform_device *pdev) return ret; brcm_avs_driver.driver_data = pdev; - ret = cpufreq_register_driver(&brcm_avs_driver); - if (!ret) - brcm_avs_cpufreq_debug_init(pdev); - return ret; + return cpufreq_register_driver(&brcm_avs_driver); } static int brcm_avs_cpufreq_remove(struct platform_device *pdev) @@ -1032,8 +713,6 @@ static int brcm_avs_cpufreq_remove(struct platform_device *pdev) if (ret) return ret; - brcm_avs_cpufreq_debug_exit(pdev); - priv = platform_get_drvdata(pdev); iounmap(priv->base); iounmap(priv->avs_intr_base); diff --git a/drivers/firmware/arm_scmi/clock.c b/drivers/firmware/arm_scmi/clock.c index e6f17825db79..2b90606452a2 100644 --- a/drivers/firmware/arm_scmi/clock.c +++ b/drivers/firmware/arm_scmi/clock.c @@ -284,7 +284,7 @@ scmi_clock_info_get(const struct scmi_handle *handle, u32 clk_id) struct clock_info *ci = handle->clk_priv; struct scmi_clock_info *clk = ci->clk + clk_id; - if (!clk->name || !clk->name[0]) + if (!clk->name[0]) return NULL; return clk; diff --git a/drivers/fpga/altera-ps-spi.c b/drivers/fpga/altera-ps-spi.c index 14f14efdf0d5..06d212a3d49d 100644 --- a/drivers/fpga/altera-ps-spi.c +++ b/drivers/fpga/altera-ps-spi.c @@ -249,7 +249,7 @@ static int altera_ps_probe(struct spi_device *spi) conf->data = of_id->data; conf->spi = spi; - conf->config = devm_gpiod_get(&spi->dev, "nconfig", GPIOD_OUT_HIGH); + conf->config = devm_gpiod_get(&spi->dev, "nconfig", GPIOD_OUT_LOW); if (IS_ERR(conf->config)) { dev_err(&spi->dev, "Failed to get config gpio: %ld\n", PTR_ERR(conf->config)); diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index b0e591eaa71a..e14263fca1c9 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -1459,10 +1459,11 @@ static const u32 sgpr_init_compute_shader[] = static const u32 vgpr_init_regs[] = { mmCOMPUTE_STATIC_THREAD_MGMT_SE0, 0xffffffff, - mmCOMPUTE_RESOURCE_LIMITS, 0, + mmCOMPUTE_RESOURCE_LIMITS, 0x1000000, /* CU_GROUP_COUNT=1 */ mmCOMPUTE_NUM_THREAD_X, 256*4, mmCOMPUTE_NUM_THREAD_Y, 1, mmCOMPUTE_NUM_THREAD_Z, 1, + mmCOMPUTE_PGM_RSRC1, 0x100004f, /* VGPRS=15 (64 logical VGPRs), SGPRS=1 (16 SGPRs), BULKY=1 */ mmCOMPUTE_PGM_RSRC2, 20, mmCOMPUTE_USER_DATA_0, 0xedcedc00, mmCOMPUTE_USER_DATA_1, 0xedcedc01, @@ -1479,10 +1480,11 @@ static const u32 vgpr_init_regs[] = static const u32 sgpr1_init_regs[] = { mmCOMPUTE_STATIC_THREAD_MGMT_SE0, 0x0f, - mmCOMPUTE_RESOURCE_LIMITS, 0x1000000, + mmCOMPUTE_RESOURCE_LIMITS, 0x1000000, /* CU_GROUP_COUNT=1 */ mmCOMPUTE_NUM_THREAD_X, 256*5, mmCOMPUTE_NUM_THREAD_Y, 1, mmCOMPUTE_NUM_THREAD_Z, 1, + mmCOMPUTE_PGM_RSRC1, 0x240, /* SGPRS=9 (80 GPRS) */ mmCOMPUTE_PGM_RSRC2, 20, mmCOMPUTE_USER_DATA_0, 0xedcedc00, mmCOMPUTE_USER_DATA_1, 0xedcedc01, @@ -1503,6 +1505,7 @@ static const u32 sgpr2_init_regs[] = mmCOMPUTE_NUM_THREAD_X, 256*5, mmCOMPUTE_NUM_THREAD_Y, 1, mmCOMPUTE_NUM_THREAD_Z, 1, + mmCOMPUTE_PGM_RSRC1, 0x240, /* SGPRS=9 (80 GPRS) */ mmCOMPUTE_PGM_RSRC2, 20, mmCOMPUTE_USER_DATA_0, 0xedcedc00, mmCOMPUTE_USER_DATA_1, 0xedcedc01, diff --git a/drivers/gpu/drm/amd/amdkfd/Kconfig b/drivers/gpu/drm/amd/amdkfd/Kconfig index ed2f06c9f346..3858820a0055 100644 --- a/drivers/gpu/drm/amd/amdkfd/Kconfig +++ b/drivers/gpu/drm/amd/amdkfd/Kconfig @@ -6,5 +6,6 @@ config HSA_AMD tristate "HSA kernel driver for AMD GPU devices" depends on DRM_AMDGPU && X86_64 imply AMD_IOMMU_V2 + select MMU_NOTIFIER help Enable this if you want to use HSA features on AMD GPU devices. diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c index cd679cf1fd30..59808a39ecf4 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c @@ -749,12 +749,13 @@ static int kfd_ioctl_get_clock_counters(struct file *filep, struct timespec64 time; dev = kfd_device_by_id(args->gpu_id); - if (dev == NULL) - return -EINVAL; - - /* Reading GPU clock counter from KGD */ - args->gpu_clock_counter = - dev->kfd2kgd->get_gpu_clock_counter(dev->kgd); + if (dev) + /* Reading GPU clock counter from KGD */ + args->gpu_clock_counter = + dev->kfd2kgd->get_gpu_clock_counter(dev->kgd); + else + /* Node without GPU resource */ + args->gpu_clock_counter = 0; /* No access to rdtsc. Using raw monotonic time */ getrawmonotonic64(&time); @@ -1147,7 +1148,7 @@ err_unlock: return ret; } -bool kfd_dev_is_large_bar(struct kfd_dev *dev) +static bool kfd_dev_is_large_bar(struct kfd_dev *dev) { struct kfd_local_mem_info mem_info; @@ -1421,7 +1422,7 @@ static int kfd_ioctl_unmap_memory_from_gpu(struct file *filep, pdd = kfd_get_process_device_data(dev, p); if (!pdd) { - err = PTR_ERR(pdd); + err = -EINVAL; goto bind_process_to_device_failed; } diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 4e2f379ce217..1dd1142246c2 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -4557,6 +4557,7 @@ static int dm_update_crtcs_state(struct dc *dc, struct amdgpu_dm_connector *aconnector = NULL; struct drm_connector_state *new_con_state = NULL; struct dm_connector_state *dm_conn_state = NULL; + struct drm_plane_state *new_plane_state = NULL; new_stream = NULL; @@ -4564,6 +4565,13 @@ static int dm_update_crtcs_state(struct dc *dc, dm_new_crtc_state = to_dm_crtc_state(new_crtc_state); acrtc = to_amdgpu_crtc(crtc); + new_plane_state = drm_atomic_get_new_plane_state(state, new_crtc_state->crtc->primary); + + if (new_crtc_state->enable && new_plane_state && !new_plane_state->fb) { + ret = -EINVAL; + goto fail; + } + aconnector = amdgpu_dm_find_first_crtc_matching_connector(state, crtc); /* TODO This hack should go away */ @@ -4760,7 +4768,7 @@ static int dm_update_planes_state(struct dc *dc, if (!dm_old_crtc_state->stream) continue; - DRM_DEBUG_DRIVER("Disabling DRM plane: %d on DRM crtc %d\n", + DRM_DEBUG_ATOMIC("Disabling DRM plane: %d on DRM crtc %d\n", plane->base.id, old_plane_crtc->base.id); if (!dc_remove_plane_from_context( diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c index 490017df371d..4be21bf54749 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_irq.c @@ -329,14 +329,15 @@ void amdgpu_dm_irq_fini(struct amdgpu_device *adev) { int src; struct irq_list_head *lh; + unsigned long irq_table_flags; DRM_DEBUG_KMS("DM_IRQ: releasing resources.\n"); - for (src = 0; src < DAL_IRQ_SOURCES_NUMBER; src++) { - + DM_IRQ_TABLE_LOCK(adev, irq_table_flags); /* The handler was removed from the table, * it means it is safe to flush all the 'work' * (because no code can schedule a new one). */ lh = &adev->dm.irq_handler_list_low_tab[src]; + DM_IRQ_TABLE_UNLOCK(adev, irq_table_flags); flush_work(&lh->work); } } diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c index 8291d74f26bc..ace9ad578ca0 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c @@ -161,6 +161,11 @@ dm_dp_mst_connector_destroy(struct drm_connector *connector) struct amdgpu_dm_connector *amdgpu_dm_connector = to_amdgpu_dm_connector(connector); struct amdgpu_encoder *amdgpu_encoder = amdgpu_dm_connector->mst_encoder; + if (amdgpu_dm_connector->edid) { + kfree(amdgpu_dm_connector->edid); + amdgpu_dm_connector->edid = NULL; + } + drm_encoder_cleanup(&amdgpu_encoder->base); kfree(amdgpu_encoder); drm_connector_cleanup(connector); @@ -181,28 +186,22 @@ static const struct drm_connector_funcs dm_dp_mst_connector_funcs = { void dm_dp_mst_dc_sink_create(struct drm_connector *connector) { struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); - struct edid *edid; struct dc_sink *dc_sink; struct dc_sink_init_data init_params = { .link = aconnector->dc_link, .sink_signal = SIGNAL_TYPE_DISPLAY_PORT_MST }; + /* FIXME none of this is safe. we shouldn't touch aconnector here in + * atomic_check + */ + /* * TODO: Need to further figure out why ddc.algo is NULL while MST port exists */ if (!aconnector->port || !aconnector->port->aux.ddc.algo) return; - edid = drm_dp_mst_get_edid(connector, &aconnector->mst_port->mst_mgr, aconnector->port); - - if (!edid) { - drm_mode_connector_update_edid_property( - &aconnector->base, - NULL); - return; - } - - aconnector->edid = edid; + ASSERT(aconnector->edid); dc_sink = dc_link_add_remote_sink( aconnector->dc_link, @@ -215,9 +214,6 @@ void dm_dp_mst_dc_sink_create(struct drm_connector *connector) amdgpu_dm_add_sink_to_freesync_module( connector, aconnector->edid); - - drm_mode_connector_update_edid_property( - &aconnector->base, aconnector->edid); } static int dm_dp_mst_get_modes(struct drm_connector *connector) @@ -230,10 +226,6 @@ static int dm_dp_mst_get_modes(struct drm_connector *connector) if (!aconnector->edid) { struct edid *edid; - struct dc_sink *dc_sink; - struct dc_sink_init_data init_params = { - .link = aconnector->dc_link, - .sink_signal = SIGNAL_TYPE_DISPLAY_PORT_MST }; edid = drm_dp_mst_get_edid(connector, &aconnector->mst_port->mst_mgr, aconnector->port); if (!edid) { @@ -244,11 +236,17 @@ static int dm_dp_mst_get_modes(struct drm_connector *connector) } aconnector->edid = edid; + } + if (!aconnector->dc_sink) { + struct dc_sink *dc_sink; + struct dc_sink_init_data init_params = { + .link = aconnector->dc_link, + .sink_signal = SIGNAL_TYPE_DISPLAY_PORT_MST }; dc_sink = dc_link_add_remote_sink( aconnector->dc_link, - (uint8_t *)edid, - (edid->extensions + 1) * EDID_LENGTH, + (uint8_t *)aconnector->edid, + (aconnector->edid->extensions + 1) * EDID_LENGTH, &init_params); dc_sink->priv = aconnector; @@ -256,12 +254,12 @@ static int dm_dp_mst_get_modes(struct drm_connector *connector) if (aconnector->dc_sink) amdgpu_dm_add_sink_to_freesync_module( - connector, edid); - - drm_mode_connector_update_edid_property( - &aconnector->base, edid); + connector, aconnector->edid); } + drm_mode_connector_update_edid_property( + &aconnector->base, aconnector->edid); + ret = drm_add_edid_modes(connector, aconnector->edid); return ret; @@ -424,14 +422,6 @@ static void dm_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr, dc_sink_release(aconnector->dc_sink); aconnector->dc_sink = NULL; } - if (aconnector->edid) { - kfree(aconnector->edid); - aconnector->edid = NULL; - } - - drm_mode_connector_update_edid_property( - &aconnector->base, - NULL); aconnector->mst_connected = false; } diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 134069f36482..39f1db4acda4 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -4451,6 +4451,7 @@ drm_reset_display_info(struct drm_connector *connector) info->max_tmds_clock = 0; info->dvi_dual = false; info->has_hdmi_infoframe = false; + memset(&info->hdmi, 0, sizeof(info->hdmi)); info->non_desktop = 0; } @@ -4462,17 +4463,11 @@ u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edi u32 quirks = edid_get_quirks(edid); + drm_reset_display_info(connector); + info->width_mm = edid->width_cm * 10; info->height_mm = edid->height_cm * 10; - /* driver figures it out in this case */ - info->bpc = 0; - info->color_formats = 0; - info->cea_rev = 0; - info->max_tmds_clock = 0; - info->dvi_dual = false; - info->has_hdmi_infoframe = false; - info->non_desktop = !!(quirks & EDID_QUIRK_NON_DESKTOP); DRM_DEBUG_KMS("non_desktop set to %d\n", info->non_desktop); diff --git a/drivers/gpu/drm/i915/intel_cdclk.c b/drivers/gpu/drm/i915/intel_cdclk.c index fc8b2c6e3508..32d24c69da3c 100644 --- a/drivers/gpu/drm/i915/intel_cdclk.c +++ b/drivers/gpu/drm/i915/intel_cdclk.c @@ -2140,10 +2140,22 @@ int intel_crtc_compute_min_cdclk(const struct intel_crtc_state *crtc_state) } } - /* According to BSpec, "The CD clock frequency must be at least twice + /* + * According to BSpec, "The CD clock frequency must be at least twice * the frequency of the Azalia BCLK." and BCLK is 96 MHz by default. + * + * FIXME: Check the actual, not default, BCLK being used. + * + * FIXME: This does not depend on ->has_audio because the higher CDCLK + * is required for audio probe, also when there are no audio capable + * displays connected at probe time. This leads to unnecessarily high + * CDCLK when audio is not required. + * + * FIXME: This limit is only applied when there are displays connected + * at probe time. If we probe without displays, we'll still end up using + * the platform minimum CDCLK, failing audio probe. */ - if (crtc_state->has_audio && INTEL_GEN(dev_priv) >= 9) + if (INTEL_GEN(dev_priv) >= 9) min_cdclk = max(2 * 96000, min_cdclk); /* diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index d4368589b355..a80fbad9be0f 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -49,12 +49,12 @@ * check the condition before the timeout. */ #define __wait_for(OP, COND, US, Wmin, Wmax) ({ \ - unsigned long timeout__ = jiffies + usecs_to_jiffies(US) + 1; \ + const ktime_t end__ = ktime_add_ns(ktime_get_raw(), 1000ll * (US)); \ long wait__ = (Wmin); /* recommended min for usleep is 10 us */ \ int ret__; \ might_sleep(); \ for (;;) { \ - bool expired__ = time_after(jiffies, timeout__); \ + const bool expired__ = ktime_after(ktime_get_raw(), end__); \ OP; \ if (COND) { \ ret__ = 0; \ diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c index 6f12adc06365..6467a5cc2ca3 100644 --- a/drivers/gpu/drm/i915/intel_fbdev.c +++ b/drivers/gpu/drm/i915/intel_fbdev.c @@ -806,7 +806,7 @@ void intel_fbdev_output_poll_changed(struct drm_device *dev) return; intel_fbdev_sync(ifbdev); - if (ifbdev->vma) + if (ifbdev->vma || ifbdev->helper.deferred_setup) drm_fb_helper_hotplug_event(&ifbdev->helper); } diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index 53ea564f971e..66de4b2dc8b7 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -641,19 +641,18 @@ void skl_enable_dc6(struct drm_i915_private *dev_priv) DRM_DEBUG_KMS("Enabling DC6\n"); - gen9_set_dc_state(dev_priv, DC_STATE_EN_UPTO_DC6); + /* Wa Display #1183: skl,kbl,cfl */ + if (IS_GEN9_BC(dev_priv)) + I915_WRITE(GEN8_CHICKEN_DCPR_1, I915_READ(GEN8_CHICKEN_DCPR_1) | + SKL_SELECT_ALTERNATE_DC_EXIT); + gen9_set_dc_state(dev_priv, DC_STATE_EN_UPTO_DC6); } void skl_disable_dc6(struct drm_i915_private *dev_priv) { DRM_DEBUG_KMS("Disabling DC6\n"); - /* Wa Display #1183: skl,kbl,cfl */ - if (IS_GEN9_BC(dev_priv)) - I915_WRITE(GEN8_CHICKEN_DCPR_1, I915_READ(GEN8_CHICKEN_DCPR_1) | - SKL_SELECT_ALTERNATE_DC_EXIT); - gen9_set_dc_state(dev_priv, DC_STATE_DISABLE); } diff --git a/drivers/gpu/drm/msm/disp/mdp4/mdp4_crtc.c b/drivers/gpu/drm/msm/disp/mdp4/mdp4_crtc.c index 6e5e1aa54ce1..b001699297c4 100644 --- a/drivers/gpu/drm/msm/disp/mdp4/mdp4_crtc.c +++ b/drivers/gpu/drm/msm/disp/mdp4/mdp4_crtc.c @@ -351,6 +351,7 @@ static void mdp4_crtc_atomic_flush(struct drm_crtc *crtc, spin_lock_irqsave(&dev->event_lock, flags); mdp4_crtc->event = crtc->state->event; + crtc->state->event = NULL; spin_unlock_irqrestore(&dev->event_lock, flags); blend_setup(crtc); diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c index 9893e43ba6c5..76b96081916f 100644 --- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_crtc.c @@ -708,6 +708,7 @@ static void mdp5_crtc_atomic_flush(struct drm_crtc *crtc, spin_lock_irqsave(&dev->event_lock, flags); mdp5_crtc->event = crtc->state->event; + crtc->state->event = NULL; spin_unlock_irqrestore(&dev->event_lock, flags); /* diff --git a/drivers/gpu/drm/msm/disp/mdp_format.c b/drivers/gpu/drm/msm/disp/mdp_format.c index b4a8aa4490ee..005760bee708 100644 --- a/drivers/gpu/drm/msm/disp/mdp_format.c +++ b/drivers/gpu/drm/msm/disp/mdp_format.c @@ -171,7 +171,8 @@ uint32_t mdp_get_formats(uint32_t *pixel_formats, uint32_t max_formats, return i; } -const struct msm_format *mdp_get_format(struct msm_kms *kms, uint32_t format) +const struct msm_format *mdp_get_format(struct msm_kms *kms, uint32_t format, + uint64_t modifier) { int i; for (i = 0; i < ARRAY_SIZE(formats); i++) { diff --git a/drivers/gpu/drm/msm/disp/mdp_kms.h b/drivers/gpu/drm/msm/disp/mdp_kms.h index 1185487e7e5e..4fa8dbe4e165 100644 --- a/drivers/gpu/drm/msm/disp/mdp_kms.h +++ b/drivers/gpu/drm/msm/disp/mdp_kms.h @@ -98,7 +98,7 @@ struct mdp_format { #define MDP_FORMAT_IS_YUV(mdp_format) ((mdp_format)->is_yuv) uint32_t mdp_get_formats(uint32_t *formats, uint32_t max_formats, bool rgb_only); -const struct msm_format *mdp_get_format(struct msm_kms *kms, uint32_t format); +const struct msm_format *mdp_get_format(struct msm_kms *kms, uint32_t format, uint64_t modifier); /* MDP capabilities */ #define MDP_CAP_SMP BIT(0) /* Shared Memory Pool */ diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index 7a03a9489708..8baba30d6c65 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -173,6 +173,7 @@ struct msm_dsi_host { bool registered; bool power_on; + bool enabled; int irq; }; @@ -775,7 +776,7 @@ static inline enum dsi_cmd_dst_format dsi_get_cmd_fmt( switch (mipi_fmt) { case MIPI_DSI_FMT_RGB888: return CMD_DST_FORMAT_RGB888; case MIPI_DSI_FMT_RGB666_PACKED: - case MIPI_DSI_FMT_RGB666: return VID_DST_FORMAT_RGB666; + case MIPI_DSI_FMT_RGB666: return CMD_DST_FORMAT_RGB666; case MIPI_DSI_FMT_RGB565: return CMD_DST_FORMAT_RGB565; default: return CMD_DST_FORMAT_RGB888; } @@ -986,13 +987,19 @@ static void dsi_set_tx_power_mode(int mode, struct msm_dsi_host *msm_host) static void dsi_wait4video_done(struct msm_dsi_host *msm_host) { + u32 ret = 0; + struct device *dev = &msm_host->pdev->dev; + dsi_intr_ctrl(msm_host, DSI_IRQ_MASK_VIDEO_DONE, 1); reinit_completion(&msm_host->video_comp); - wait_for_completion_timeout(&msm_host->video_comp, + ret = wait_for_completion_timeout(&msm_host->video_comp, msecs_to_jiffies(70)); + if (ret <= 0) + dev_err(dev, "wait for video done timed out\n"); + dsi_intr_ctrl(msm_host, DSI_IRQ_MASK_VIDEO_DONE, 0); } @@ -1001,7 +1008,7 @@ static void dsi_wait4video_eng_busy(struct msm_dsi_host *msm_host) if (!(msm_host->mode_flags & MIPI_DSI_MODE_VIDEO)) return; - if (msm_host->power_on) { + if (msm_host->power_on && msm_host->enabled) { dsi_wait4video_done(msm_host); /* delay 4 ms to skip BLLP */ usleep_range(2000, 4000); @@ -2203,7 +2210,7 @@ int msm_dsi_host_enable(struct mipi_dsi_host *host) * pm_runtime_put_autosuspend(&msm_host->pdev->dev); * } */ - + msm_host->enabled = true; return 0; } @@ -2211,6 +2218,7 @@ int msm_dsi_host_disable(struct mipi_dsi_host *host) { struct msm_dsi_host *msm_host = to_msm_dsi_host(host); + msm_host->enabled = false; dsi_op_mode_config(msm_host, !!(msm_host->mode_flags & MIPI_DSI_MODE_VIDEO), false); diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c index 8e9d5c255820..9a9fa0c75a13 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.c @@ -265,6 +265,115 @@ int msm_dsi_dphy_timing_calc_v2(struct msm_dsi_dphy_timing *timing, return 0; } +int msm_dsi_dphy_timing_calc_v3(struct msm_dsi_dphy_timing *timing, + struct msm_dsi_phy_clk_request *clk_req) +{ + const unsigned long bit_rate = clk_req->bitclk_rate; + const unsigned long esc_rate = clk_req->escclk_rate; + s32 ui, ui_x8, lpx; + s32 tmax, tmin; + s32 pcnt0 = 50; + s32 pcnt1 = 50; + s32 pcnt2 = 10; + s32 pcnt3 = 30; + s32 pcnt4 = 10; + s32 pcnt5 = 2; + s32 coeff = 1000; /* Precision, should avoid overflow */ + s32 hb_en, hb_en_ckln; + s32 temp; + + if (!bit_rate || !esc_rate) + return -EINVAL; + + timing->hs_halfbyte_en = 0; + hb_en = 0; + timing->hs_halfbyte_en_ckln = 0; + hb_en_ckln = 0; + + ui = mult_frac(NSEC_PER_MSEC, coeff, bit_rate / 1000); + ui_x8 = ui << 3; + lpx = mult_frac(NSEC_PER_MSEC, coeff, esc_rate / 1000); + + temp = S_DIV_ROUND_UP(38 * coeff, ui_x8); + tmin = max_t(s32, temp, 0); + temp = (95 * coeff) / ui_x8; + tmax = max_t(s32, temp, 0); + timing->clk_prepare = linear_inter(tmax, tmin, pcnt0, 0, false); + + temp = 300 * coeff - (timing->clk_prepare << 3) * ui; + tmin = S_DIV_ROUND_UP(temp, ui_x8) - 1; + tmax = (tmin > 255) ? 511 : 255; + timing->clk_zero = linear_inter(tmax, tmin, pcnt5, 0, false); + + tmin = DIV_ROUND_UP(60 * coeff + 3 * ui, ui_x8); + temp = 105 * coeff + 12 * ui - 20 * coeff; + tmax = (temp + 3 * ui) / ui_x8; + timing->clk_trail = linear_inter(tmax, tmin, pcnt3, 0, false); + + temp = S_DIV_ROUND_UP(40 * coeff + 4 * ui, ui_x8); + tmin = max_t(s32, temp, 0); + temp = (85 * coeff + 6 * ui) / ui_x8; + tmax = max_t(s32, temp, 0); + timing->hs_prepare = linear_inter(tmax, tmin, pcnt1, 0, false); + + temp = 145 * coeff + 10 * ui - (timing->hs_prepare << 3) * ui; + tmin = S_DIV_ROUND_UP(temp, ui_x8) - 1; + tmax = 255; + timing->hs_zero = linear_inter(tmax, tmin, pcnt4, 0, false); + + tmin = DIV_ROUND_UP(60 * coeff + 4 * ui, ui_x8) - 1; + temp = 105 * coeff + 12 * ui - 20 * coeff; + tmax = (temp / ui_x8) - 1; + timing->hs_trail = linear_inter(tmax, tmin, pcnt3, 0, false); + + temp = 50 * coeff + ((hb_en << 2) - 8) * ui; + timing->hs_rqst = S_DIV_ROUND_UP(temp, ui_x8); + + tmin = DIV_ROUND_UP(100 * coeff, ui_x8) - 1; + tmax = 255; + timing->hs_exit = linear_inter(tmax, tmin, pcnt2, 0, false); + + temp = 50 * coeff + ((hb_en_ckln << 2) - 8) * ui; + timing->hs_rqst_ckln = S_DIV_ROUND_UP(temp, ui_x8); + + temp = 60 * coeff + 52 * ui - 43 * ui; + tmin = DIV_ROUND_UP(temp, ui_x8) - 1; + tmax = 63; + timing->shared_timings.clk_post = + linear_inter(tmax, tmin, pcnt2, 0, false); + + temp = 8 * ui + (timing->clk_prepare << 3) * ui; + temp += (((timing->clk_zero + 3) << 3) + 11) * ui; + temp += hb_en_ckln ? (((timing->hs_rqst_ckln << 3) + 4) * ui) : + (((timing->hs_rqst_ckln << 3) + 8) * ui); + tmin = S_DIV_ROUND_UP(temp, ui_x8) - 1; + tmax = 63; + if (tmin > tmax) { + temp = linear_inter(tmax << 1, tmin, pcnt2, 0, false); + timing->shared_timings.clk_pre = temp >> 1; + timing->shared_timings.clk_pre_inc_by_2 = 1; + } else { + timing->shared_timings.clk_pre = + linear_inter(tmax, tmin, pcnt2, 0, false); + timing->shared_timings.clk_pre_inc_by_2 = 0; + } + + timing->ta_go = 3; + timing->ta_sure = 0; + timing->ta_get = 4; + + DBG("%d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d", + timing->shared_timings.clk_pre, timing->shared_timings.clk_post, + timing->shared_timings.clk_pre_inc_by_2, timing->clk_zero, + timing->clk_trail, timing->clk_prepare, timing->hs_exit, + timing->hs_zero, timing->hs_prepare, timing->hs_trail, + timing->hs_rqst, timing->hs_rqst_ckln, timing->hs_halfbyte_en, + timing->hs_halfbyte_en_ckln, timing->hs_prep_dly, + timing->hs_prep_dly_ckln); + + return 0; +} + void msm_dsi_phy_set_src_pll(struct msm_dsi_phy *phy, int pll_id, u32 reg, u32 bit_mask) { diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h index c56268cbdb3d..a24ab80994a3 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy.h @@ -101,6 +101,8 @@ int msm_dsi_dphy_timing_calc(struct msm_dsi_dphy_timing *timing, struct msm_dsi_phy_clk_request *clk_req); int msm_dsi_dphy_timing_calc_v2(struct msm_dsi_dphy_timing *timing, struct msm_dsi_phy_clk_request *clk_req); +int msm_dsi_dphy_timing_calc_v3(struct msm_dsi_dphy_timing *timing, + struct msm_dsi_phy_clk_request *clk_req); void msm_dsi_phy_set_src_pll(struct msm_dsi_phy *phy, int pll_id, u32 reg, u32 bit_mask); int msm_dsi_phy_init_common(struct msm_dsi_phy *phy); diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c index 0af951aaeea1..b3fffc8dbb2a 100644 --- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c +++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_10nm.c @@ -79,34 +79,6 @@ static void dsi_phy_hw_v3_0_lane_settings(struct msm_dsi_phy *phy) dsi_phy_write(lane_base + REG_DSI_10nm_PHY_LN_TX_DCTRL(3), 0x04); } -static int msm_dsi_dphy_timing_calc_v3(struct msm_dsi_dphy_timing *timing, - struct msm_dsi_phy_clk_request *clk_req) -{ - /* - * TODO: These params need to be computed, they're currently hardcoded - * for a 1440x2560@60Hz panel with a byteclk of 100.618 Mhz, and a - * default escape clock of 19.2 Mhz. - */ - - timing->hs_halfbyte_en = 0; - timing->clk_zero = 0x1c; - timing->clk_prepare = 0x07; - timing->clk_trail = 0x07; - timing->hs_exit = 0x23; - timing->hs_zero = 0x21; - timing->hs_prepare = 0x07; - timing->hs_trail = 0x07; - timing->hs_rqst = 0x05; - timing->ta_sure = 0x00; - timing->ta_go = 0x03; - timing->ta_get = 0x04; - - timing->shared_timings.clk_pre = 0x2d; - timing->shared_timings.clk_post = 0x0d; - - return 0; -} - static int dsi_10nm_phy_enable(struct msm_dsi_phy *phy, int src_pll_id, struct msm_dsi_phy_clk_request *clk_req) { diff --git a/drivers/gpu/drm/msm/msm_fb.c b/drivers/gpu/drm/msm/msm_fb.c index 0e0c87252ab0..7a16242bf8bf 100644 --- a/drivers/gpu/drm/msm/msm_fb.c +++ b/drivers/gpu/drm/msm/msm_fb.c @@ -183,7 +183,8 @@ static struct drm_framebuffer *msm_framebuffer_init(struct drm_device *dev, hsub = drm_format_horz_chroma_subsampling(mode_cmd->pixel_format); vsub = drm_format_vert_chroma_subsampling(mode_cmd->pixel_format); - format = kms->funcs->get_format(kms, mode_cmd->pixel_format); + format = kms->funcs->get_format(kms, mode_cmd->pixel_format, + mode_cmd->modifier[0]); if (!format) { dev_err(dev->dev, "unsupported pixel format: %4.4s\n", (char *)&mode_cmd->pixel_format); diff --git a/drivers/gpu/drm/msm/msm_fbdev.c b/drivers/gpu/drm/msm/msm_fbdev.c index c178563fcd4d..456622b46335 100644 --- a/drivers/gpu/drm/msm/msm_fbdev.c +++ b/drivers/gpu/drm/msm/msm_fbdev.c @@ -92,8 +92,7 @@ static int msm_fbdev_create(struct drm_fb_helper *helper, if (IS_ERR(fb)) { dev_err(dev->dev, "failed to allocate fb\n"); - ret = PTR_ERR(fb); - goto fail; + return PTR_ERR(fb); } bo = msm_framebuffer_bo(fb, 0); @@ -151,13 +150,7 @@ static int msm_fbdev_create(struct drm_fb_helper *helper, fail_unlock: mutex_unlock(&dev->struct_mutex); -fail: - - if (ret) { - if (fb) - drm_framebuffer_remove(fb); - } - + drm_framebuffer_remove(fb); return ret; } diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 95196479f651..f583bb4222f9 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -132,17 +132,19 @@ static void put_pages(struct drm_gem_object *obj) struct msm_gem_object *msm_obj = to_msm_bo(obj); if (msm_obj->pages) { - /* For non-cached buffers, ensure the new pages are clean - * because display controller, GPU, etc. are not coherent: - */ - if (msm_obj->flags & (MSM_BO_WC|MSM_BO_UNCACHED)) - dma_unmap_sg(obj->dev->dev, msm_obj->sgt->sgl, - msm_obj->sgt->nents, DMA_BIDIRECTIONAL); + if (msm_obj->sgt) { + /* For non-cached buffers, ensure the new + * pages are clean because display controller, + * GPU, etc. are not coherent: + */ + if (msm_obj->flags & (MSM_BO_WC|MSM_BO_UNCACHED)) + dma_unmap_sg(obj->dev->dev, msm_obj->sgt->sgl, + msm_obj->sgt->nents, + DMA_BIDIRECTIONAL); - if (msm_obj->sgt) sg_free_table(msm_obj->sgt); - - kfree(msm_obj->sgt); + kfree(msm_obj->sgt); + } if (use_pages(obj)) drm_gem_put_pages(obj, msm_obj->pages, true, false); diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h index 17d5824417ad..aaa329dc020e 100644 --- a/drivers/gpu/drm/msm/msm_kms.h +++ b/drivers/gpu/drm/msm/msm_kms.h @@ -48,8 +48,11 @@ struct msm_kms_funcs { /* functions to wait for atomic commit completed on each CRTC */ void (*wait_for_crtc_commit_done)(struct msm_kms *kms, struct drm_crtc *crtc); + /* get msm_format w/ optional format modifiers from drm_mode_fb_cmd2 */ + const struct msm_format *(*get_format)(struct msm_kms *kms, + const uint32_t format, + const uint64_t modifiers); /* misc: */ - const struct msm_format *(*get_format)(struct msm_kms *kms, uint32_t format); long (*round_pixclk)(struct msm_kms *kms, unsigned long rate, struct drm_encoder *encoder); int (*set_split_display)(struct msm_kms *kms, diff --git a/drivers/gpu/drm/qxl/qxl_cmd.c b/drivers/gpu/drm/qxl/qxl_cmd.c index c0fb52c6d4ca..01665b98c57e 100644 --- a/drivers/gpu/drm/qxl/qxl_cmd.c +++ b/drivers/gpu/drm/qxl/qxl_cmd.c @@ -179,10 +179,9 @@ qxl_push_command_ring_release(struct qxl_device *qdev, struct qxl_release *relea uint32_t type, bool interruptible) { struct qxl_command cmd; - struct qxl_bo_list *entry = list_first_entry(&release->bos, struct qxl_bo_list, tv.head); cmd.type = type; - cmd.data = qxl_bo_physical_address(qdev, to_qxl_bo(entry->tv.bo), release->release_offset); + cmd.data = qxl_bo_physical_address(qdev, release->release_bo, release->release_offset); return qxl_ring_push(qdev->command_ring, &cmd, interruptible); } @@ -192,10 +191,9 @@ qxl_push_cursor_ring_release(struct qxl_device *qdev, struct qxl_release *releas uint32_t type, bool interruptible) { struct qxl_command cmd; - struct qxl_bo_list *entry = list_first_entry(&release->bos, struct qxl_bo_list, tv.head); cmd.type = type; - cmd.data = qxl_bo_physical_address(qdev, to_qxl_bo(entry->tv.bo), release->release_offset); + cmd.data = qxl_bo_physical_address(qdev, release->release_bo, release->release_offset); return qxl_ring_push(qdev->cursor_ring, &cmd, interruptible); } diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h index 00a1a66b052a..864b456080c4 100644 --- a/drivers/gpu/drm/qxl/qxl_drv.h +++ b/drivers/gpu/drm/qxl/qxl_drv.h @@ -167,6 +167,7 @@ struct qxl_release { int id; int type; + struct qxl_bo *release_bo; uint32_t release_offset; uint32_t surface_release_id; struct ww_acquire_ctx ticket; diff --git a/drivers/gpu/drm/qxl/qxl_ioctl.c b/drivers/gpu/drm/qxl/qxl_ioctl.c index e238a1a2eca1..6cc9f3367fa0 100644 --- a/drivers/gpu/drm/qxl/qxl_ioctl.c +++ b/drivers/gpu/drm/qxl/qxl_ioctl.c @@ -182,9 +182,9 @@ static int qxl_process_single_command(struct qxl_device *qdev, goto out_free_reloc; /* TODO copy slow path code from i915 */ - fb_cmd = qxl_bo_kmap_atomic_page(qdev, cmd_bo, (release->release_offset & PAGE_SIZE)); + fb_cmd = qxl_bo_kmap_atomic_page(qdev, cmd_bo, (release->release_offset & PAGE_MASK)); unwritten = __copy_from_user_inatomic_nocache - (fb_cmd + sizeof(union qxl_release_info) + (release->release_offset & ~PAGE_SIZE), + (fb_cmd + sizeof(union qxl_release_info) + (release->release_offset & ~PAGE_MASK), u64_to_user_ptr(cmd->command), cmd->command_size); { diff --git a/drivers/gpu/drm/qxl/qxl_release.c b/drivers/gpu/drm/qxl/qxl_release.c index 5d84a66fed36..7cb214577275 100644 --- a/drivers/gpu/drm/qxl/qxl_release.c +++ b/drivers/gpu/drm/qxl/qxl_release.c @@ -173,6 +173,7 @@ qxl_release_free_list(struct qxl_release *release) list_del(&entry->tv.head); kfree(entry); } + release->release_bo = NULL; } void @@ -296,7 +297,6 @@ int qxl_alloc_surface_release_reserved(struct qxl_device *qdev, { if (surface_cmd_type == QXL_SURFACE_CMD_DESTROY && create_rel) { int idr_ret; - struct qxl_bo_list *entry = list_first_entry(&create_rel->bos, struct qxl_bo_list, tv.head); struct qxl_bo *bo; union qxl_release_info *info; @@ -304,8 +304,9 @@ int qxl_alloc_surface_release_reserved(struct qxl_device *qdev, idr_ret = qxl_release_alloc(qdev, QXL_RELEASE_SURFACE_CMD, release); if (idr_ret < 0) return idr_ret; - bo = to_qxl_bo(entry->tv.bo); + bo = create_rel->release_bo; + (*release)->release_bo = bo; (*release)->release_offset = create_rel->release_offset + 64; qxl_release_list_add(*release, bo); @@ -365,6 +366,7 @@ int qxl_alloc_release_reserved(struct qxl_device *qdev, unsigned long size, bo = qxl_bo_ref(qdev->current_release_bo[cur_idx]); + (*release)->release_bo = bo; (*release)->release_offset = qdev->current_release_bo_offset[cur_idx] * release_size_per_bo[cur_idx]; qdev->current_release_bo_offset[cur_idx]++; @@ -408,13 +410,12 @@ union qxl_release_info *qxl_release_map(struct qxl_device *qdev, { void *ptr; union qxl_release_info *info; - struct qxl_bo_list *entry = list_first_entry(&release->bos, struct qxl_bo_list, tv.head); - struct qxl_bo *bo = to_qxl_bo(entry->tv.bo); + struct qxl_bo *bo = release->release_bo; - ptr = qxl_bo_kmap_atomic_page(qdev, bo, release->release_offset & PAGE_SIZE); + ptr = qxl_bo_kmap_atomic_page(qdev, bo, release->release_offset & PAGE_MASK); if (!ptr) return NULL; - info = ptr + (release->release_offset & ~PAGE_SIZE); + info = ptr + (release->release_offset & ~PAGE_MASK); return info; } @@ -422,11 +423,10 @@ void qxl_release_unmap(struct qxl_device *qdev, struct qxl_release *release, union qxl_release_info *info) { - struct qxl_bo_list *entry = list_first_entry(&release->bos, struct qxl_bo_list, tv.head); - struct qxl_bo *bo = to_qxl_bo(entry->tv.bo); + struct qxl_bo *bo = release->release_bo; void *ptr; - ptr = ((void *)info) - (release->release_offset & ~PAGE_SIZE); + ptr = ((void *)info) - (release->release_offset & ~PAGE_MASK); qxl_bo_kunmap_atomic_page(qdev, bo, ptr); } diff --git a/drivers/gpu/drm/sun4i/sun4i_lvds.c b/drivers/gpu/drm/sun4i/sun4i_lvds.c index bffff4c9fbf5..be3f14d7746d 100644 --- a/drivers/gpu/drm/sun4i/sun4i_lvds.c +++ b/drivers/gpu/drm/sun4i/sun4i_lvds.c @@ -94,64 +94,9 @@ static void sun4i_lvds_encoder_disable(struct drm_encoder *encoder) } } -static enum drm_mode_status sun4i_lvds_encoder_mode_valid(struct drm_encoder *crtc, - const struct drm_display_mode *mode) -{ - struct sun4i_lvds *lvds = drm_encoder_to_sun4i_lvds(crtc); - struct sun4i_tcon *tcon = lvds->tcon; - u32 hsync = mode->hsync_end - mode->hsync_start; - u32 vsync = mode->vsync_end - mode->vsync_start; - unsigned long rate = mode->clock * 1000; - long rounded_rate; - - DRM_DEBUG_DRIVER("Validating modes...\n"); - - if (hsync < 1) - return MODE_HSYNC_NARROW; - - if (hsync > 0x3ff) - return MODE_HSYNC_WIDE; - - if ((mode->hdisplay < 1) || (mode->htotal < 1)) - return MODE_H_ILLEGAL; - - if ((mode->hdisplay > 0x7ff) || (mode->htotal > 0xfff)) - return MODE_BAD_HVALUE; - - DRM_DEBUG_DRIVER("Horizontal parameters OK\n"); - - if (vsync < 1) - return MODE_VSYNC_NARROW; - - if (vsync > 0x3ff) - return MODE_VSYNC_WIDE; - - if ((mode->vdisplay < 1) || (mode->vtotal < 1)) - return MODE_V_ILLEGAL; - - if ((mode->vdisplay > 0x7ff) || (mode->vtotal > 0xfff)) - return MODE_BAD_VVALUE; - - DRM_DEBUG_DRIVER("Vertical parameters OK\n"); - - tcon->dclk_min_div = 7; - tcon->dclk_max_div = 7; - rounded_rate = clk_round_rate(tcon->dclk, rate); - if (rounded_rate < rate) - return MODE_CLOCK_LOW; - - if (rounded_rate > rate) - return MODE_CLOCK_HIGH; - - DRM_DEBUG_DRIVER("Clock rate OK\n"); - - return MODE_OK; -} - static const struct drm_encoder_helper_funcs sun4i_lvds_enc_helper_funcs = { .disable = sun4i_lvds_encoder_disable, .enable = sun4i_lvds_encoder_enable, - .mode_valid = sun4i_lvds_encoder_mode_valid, }; static const struct drm_encoder_funcs sun4i_lvds_enc_funcs = { diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c index 48e4f1df6e5d..020070d483d3 100644 --- a/drivers/gpu/drm/virtio/virtgpu_vq.c +++ b/drivers/gpu/drm/virtio/virtgpu_vq.c @@ -293,7 +293,7 @@ retry: ret = virtqueue_add_sgs(vq, sgs, outcnt, incnt, vbuf, GFP_ATOMIC); if (ret == -ENOSPC) { spin_unlock(&vgdev->ctrlq.qlock); - wait_event(vgdev->ctrlq.ack_queue, vq->num_free); + wait_event(vgdev->ctrlq.ack_queue, vq->num_free >= outcnt + incnt); spin_lock(&vgdev->ctrlq.qlock); goto retry; } else { @@ -368,7 +368,7 @@ retry: ret = virtqueue_add_sgs(vq, sgs, outcnt, 0, vbuf, GFP_ATOMIC); if (ret == -ENOSPC) { spin_unlock(&vgdev->cursorq.qlock); - wait_event(vgdev->cursorq.ack_queue, vq->num_free); + wait_event(vgdev->cursorq.ack_queue, vq->num_free >= outcnt); spin_lock(&vgdev->cursorq.qlock); goto retry; } else { diff --git a/drivers/hwmon/ibmpowernv.c b/drivers/hwmon/ibmpowernv.c index 5ccdd0b52650..0298745d46e4 100644 --- a/drivers/hwmon/ibmpowernv.c +++ b/drivers/hwmon/ibmpowernv.c @@ -51,6 +51,7 @@ enum sensors { POWER_SUPPLY, POWER_INPUT, CURRENT, + ENERGY, MAX_SENSOR_TYPE, }; @@ -78,6 +79,7 @@ static struct sensor_group { { "in" }, { "power" }, { "curr" }, + { "energy" }, }; struct sensor_data { @@ -101,9 +103,10 @@ static ssize_t show_sensor(struct device *dev, struct device_attribute *devattr, struct sensor_data *sdata = container_of(devattr, struct sensor_data, dev_attr); ssize_t ret; - u32 x; + u64 x; + + ret = opal_get_sensor_data_u64(sdata->id, &x); - ret = opal_get_sensor_data(sdata->id, &x); if (ret) return ret; @@ -114,7 +117,7 @@ static ssize_t show_sensor(struct device *dev, struct device_attribute *devattr, else if (sdata->type == POWER_INPUT) x *= 1000000; - return sprintf(buf, "%u\n", x); + return sprintf(buf, "%llu\n", x); } static ssize_t show_label(struct device *dev, struct device_attribute *devattr, diff --git a/drivers/hwmon/k10temp.c b/drivers/hwmon/k10temp.c index 051a72eecb24..d2cc55e21374 100644 --- a/drivers/hwmon/k10temp.c +++ b/drivers/hwmon/k10temp.c @@ -40,6 +40,10 @@ static DEFINE_MUTEX(nb_smu_ind_mutex); #define PCI_DEVICE_ID_AMD_17H_DF_F3 0x1463 #endif +#ifndef PCI_DEVICE_ID_AMD_17H_RR_NB +#define PCI_DEVICE_ID_AMD_17H_RR_NB 0x15d0 +#endif + /* CPUID function 0x80000001, ebx */ #define CPUID_PKGTYPE_MASK 0xf0000000 #define CPUID_PKGTYPE_F 0x00000000 @@ -72,6 +76,7 @@ struct k10temp_data { struct pci_dev *pdev; void (*read_tempreg)(struct pci_dev *pdev, u32 *regval); int temp_offset; + u32 temp_adjust_mask; }; struct tctl_offset { @@ -84,6 +89,7 @@ static const struct tctl_offset tctl_offset_table[] = { { 0x17, "AMD Ryzen 5 1600X", 20000 }, { 0x17, "AMD Ryzen 7 1700X", 20000 }, { 0x17, "AMD Ryzen 7 1800X", 20000 }, + { 0x17, "AMD Ryzen 7 2700X", 10000 }, { 0x17, "AMD Ryzen Threadripper 1950X", 27000 }, { 0x17, "AMD Ryzen Threadripper 1920X", 27000 }, { 0x17, "AMD Ryzen Threadripper 1900X", 27000 }, @@ -129,6 +135,8 @@ static ssize_t temp1_input_show(struct device *dev, data->read_tempreg(data->pdev, ®val); temp = (regval >> 21) * 125; + if (regval & data->temp_adjust_mask) + temp -= 49000; if (temp > data->temp_offset) temp -= data->temp_offset; else @@ -259,12 +267,14 @@ static int k10temp_probe(struct pci_dev *pdev, data->pdev = pdev; if (boot_cpu_data.x86 == 0x15 && (boot_cpu_data.x86_model == 0x60 || - boot_cpu_data.x86_model == 0x70)) + boot_cpu_data.x86_model == 0x70)) { data->read_tempreg = read_tempreg_nb_f15; - else if (boot_cpu_data.x86 == 0x17) + } else if (boot_cpu_data.x86 == 0x17) { + data->temp_adjust_mask = 0x80000; data->read_tempreg = read_tempreg_nb_f17; - else + } else { data->read_tempreg = read_tempreg_pci; + } for (i = 0; i < ARRAY_SIZE(tctl_offset_table); i++) { const struct tctl_offset *entry = &tctl_offset_table[i]; @@ -292,6 +302,7 @@ static const struct pci_device_id k10temp_id_table[] = { { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_NB_F3) }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_16H_M30H_NB_F3) }, { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_17H_DF_F3) }, + { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_17H_RR_NB) }, {} }; MODULE_DEVICE_TABLE(pci, k10temp_id_table); diff --git a/drivers/hwmon/nct6683.c b/drivers/hwmon/nct6683.c index 8b0bc4fc06e8..b0bc77bf2cd9 100644 --- a/drivers/hwmon/nct6683.c +++ b/drivers/hwmon/nct6683.c @@ -1380,8 +1380,8 @@ static int __init nct6683_find(int sioaddr, struct nct6683_sio_data *sio_data) /* Activate logical device if needed */ val = superio_inb(sioaddr, SIO_REG_ENABLE); if (!(val & 0x01)) { - pr_err("EC is disabled\n"); - goto fail; + pr_warn("Forcibly enabling EC access. Data may be unusable.\n"); + superio_outb(sioaddr, SIO_REG_ENABLE, val | 0x01); } superio_exit(sioaddr); diff --git a/drivers/hwmon/scmi-hwmon.c b/drivers/hwmon/scmi-hwmon.c index 363bf56eb0f2..91976b6ca300 100644 --- a/drivers/hwmon/scmi-hwmon.c +++ b/drivers/hwmon/scmi-hwmon.c @@ -170,7 +170,10 @@ static int scmi_hwmon_probe(struct scmi_device *sdev) scmi_chip_info.info = ptr_scmi_ci; chip_info = &scmi_chip_info; - for (type = 0; type < hwmon_max && nr_count[type]; type++) { + for (type = 0; type < hwmon_max; type++) { + if (!nr_count[type]) + continue; + scmi_hwmon_add_chan_info(scmi_hwmon_chan, dev, nr_count[type], type, hwmon_attributes[type]); *ptr_scmi_ci++ = scmi_hwmon_chan++; diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index c4865b08d7fb..8d21b9825d71 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -707,7 +707,6 @@ config I2C_MPC config I2C_MT65XX tristate "MediaTek I2C adapter" depends on ARCH_MEDIATEK || COMPILE_TEST - depends on HAS_DMA help This selects the MediaTek(R) Integrated Inter Circuit bus driver for MT65xx and MT81xx. @@ -885,7 +884,6 @@ config I2C_SH7760 config I2C_SH_MOBILE tristate "SuperH Mobile I2C Controller" - depends on HAS_DMA depends on ARCH_SHMOBILE || ARCH_RENESAS || COMPILE_TEST help If you say yes to this option, support will be included for the @@ -1098,7 +1096,6 @@ config I2C_XLP9XX config I2C_RCAR tristate "Renesas R-Car I2C Controller" - depends on HAS_DMA depends on ARCH_RENESAS || COMPILE_TEST select I2C_SLAVE help diff --git a/drivers/i2c/busses/i2c-sprd.c b/drivers/i2c/busses/i2c-sprd.c index 25fcc3c1e32b..4053259bccb8 100644 --- a/drivers/i2c/busses/i2c-sprd.c +++ b/drivers/i2c/busses/i2c-sprd.c @@ -86,6 +86,7 @@ struct sprd_i2c { u32 count; int irq; int err; + bool is_suspended; }; static void sprd_i2c_set_count(struct sprd_i2c *i2c_dev, u32 count) @@ -283,6 +284,9 @@ static int sprd_i2c_master_xfer(struct i2c_adapter *i2c_adap, struct sprd_i2c *i2c_dev = i2c_adap->algo_data; int im, ret; + if (i2c_dev->is_suspended) + return -EBUSY; + ret = pm_runtime_get_sync(i2c_dev->dev); if (ret < 0) return ret; @@ -364,13 +368,12 @@ static irqreturn_t sprd_i2c_isr_thread(int irq, void *dev_id) struct sprd_i2c *i2c_dev = dev_id; struct i2c_msg *msg = i2c_dev->msg; bool ack = !(readl(i2c_dev->base + I2C_STATUS) & I2C_RX_ACK); - u32 i2c_count = readl(i2c_dev->base + I2C_COUNT); u32 i2c_tran; if (msg->flags & I2C_M_RD) i2c_tran = i2c_dev->count >= I2C_FIFO_FULL_THLD; else - i2c_tran = i2c_count; + i2c_tran = i2c_dev->count; /* * If we got one ACK from slave when writing data, and we did not @@ -408,14 +411,13 @@ static irqreturn_t sprd_i2c_isr(int irq, void *dev_id) { struct sprd_i2c *i2c_dev = dev_id; struct i2c_msg *msg = i2c_dev->msg; - u32 i2c_count = readl(i2c_dev->base + I2C_COUNT); bool ack = !(readl(i2c_dev->base + I2C_STATUS) & I2C_RX_ACK); u32 i2c_tran; if (msg->flags & I2C_M_RD) i2c_tran = i2c_dev->count >= I2C_FIFO_FULL_THLD; else - i2c_tran = i2c_count; + i2c_tran = i2c_dev->count; /* * If we did not get one ACK from slave when writing data, then we @@ -586,11 +588,23 @@ static int sprd_i2c_remove(struct platform_device *pdev) static int __maybe_unused sprd_i2c_suspend_noirq(struct device *pdev) { + struct sprd_i2c *i2c_dev = dev_get_drvdata(pdev); + + i2c_lock_adapter(&i2c_dev->adap); + i2c_dev->is_suspended = true; + i2c_unlock_adapter(&i2c_dev->adap); + return pm_runtime_force_suspend(pdev); } static int __maybe_unused sprd_i2c_resume_noirq(struct device *pdev) { + struct sprd_i2c *i2c_dev = dev_get_drvdata(pdev); + + i2c_lock_adapter(&i2c_dev->adap); + i2c_dev->is_suspended = false; + i2c_unlock_adapter(&i2c_dev->adap); + return pm_runtime_force_resume(pdev); } diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c index 036a03f0d0a6..1667b6e7674f 100644 --- a/drivers/i2c/i2c-dev.c +++ b/drivers/i2c/i2c-dev.c @@ -280,7 +280,7 @@ static noinline int i2cdev_ioctl_rdwr(struct i2c_client *client, */ if (msgs[i].flags & I2C_M_RECV_LEN) { if (!(msgs[i].flags & I2C_M_RD) || - msgs[i].buf[0] < 1 || + msgs[i].len < 1 || msgs[i].buf[0] < 1 || msgs[i].len < msgs[i].buf[0] + I2C_SMBUS_BLOCK_MAX) { res = -EINVAL; diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index 46115a392098..c81c79d01d93 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -31,6 +31,7 @@ enum evdev_clock_type { EV_CLK_REAL = 0, EV_CLK_MONO, + EV_CLK_BOOT, EV_CLK_MAX }; @@ -197,10 +198,12 @@ static int evdev_set_clk_type(struct evdev_client *client, unsigned int clkid) case CLOCK_REALTIME: clk_type = EV_CLK_REAL; break; - case CLOCK_BOOTTIME: case CLOCK_MONOTONIC: clk_type = EV_CLK_MONO; break; + case CLOCK_BOOTTIME: + clk_type = EV_CLK_BOOT; + break; default: return -EINVAL; } @@ -311,6 +314,8 @@ static void evdev_events(struct input_handle *handle, ev_time[EV_CLK_MONO] = ktime_get(); ev_time[EV_CLK_REAL] = ktime_mono_to_real(ev_time[EV_CLK_MONO]); + ev_time[EV_CLK_BOOT] = ktime_mono_to_any(ev_time[EV_CLK_MONO], + TK_OFFS_BOOT); rcu_read_lock(); diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c index 433dbeddfcf9..a3b6a4a703ab 100644 --- a/drivers/macintosh/via-pmu.c +++ b/drivers/macintosh/via-pmu.c @@ -274,7 +274,7 @@ int __init find_via_pmu(void) u64 taddr; const u32 *reg; - if (via != 0) + if (via) return 1; vias = of_find_node_by_name(NULL, "via-pmu"); if (vias == NULL) @@ -1152,7 +1152,7 @@ pmu_queue_request(struct adb_request *req) req->complete = 0; spin_lock_irqsave(&pmu_lock, flags); - if (current_req != 0) { + if (current_req) { last_req->next = req; last_req = req; } else { @@ -1227,7 +1227,7 @@ pmu_start(void) /* assert pmu_state == idle */ /* get the packet to send */ req = current_req; - if (req == 0 || pmu_state != idle + if (!req || pmu_state != idle || (/*req->reply_expected && */req_awaiting_reply)) return; @@ -1382,7 +1382,7 @@ next: if ((1 << pirq) & PMU_INT_ADB) { if ((data[0] & PMU_INT_ADB_AUTO) == 0) { struct adb_request *req = req_awaiting_reply; - if (req == 0) { + if (!req) { printk(KERN_ERR "PMU: extra ADB reply\n"); return; } @@ -1749,7 +1749,7 @@ pmu_shutdown(void) int pmu_present(void) { - return via != 0; + return via != NULL; } #if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32) @@ -2081,7 +2081,7 @@ pmu_open(struct inode *inode, struct file *file) unsigned long flags; pp = kmalloc(sizeof(struct pmu_private), GFP_KERNEL); - if (pp == 0) + if (!pp) return -ENOMEM; pp->rb_get = pp->rb_put = 0; spin_lock_init(&pp->lock); @@ -2107,7 +2107,7 @@ pmu_read(struct file *file, char __user *buf, unsigned long flags; int ret = 0; - if (count < 1 || pp == 0) + if (count < 1 || !pp) return -EINVAL; if (!access_ok(VERIFY_WRITE, buf, count)) return -EFAULT; @@ -2164,7 +2164,7 @@ pmu_fpoll(struct file *filp, poll_table *wait) __poll_t mask = 0; unsigned long flags; - if (pp == 0) + if (!pp) return 0; poll_wait(filp, &pp->wait, wait); spin_lock_irqsave(&pp->lock, flags); @@ -2180,7 +2180,7 @@ pmu_release(struct inode *inode, struct file *file) struct pmu_private *pp = file->private_data; unsigned long flags; - if (pp != 0) { + if (pp) { file->private_data = NULL; spin_lock_irqsave(&all_pvt_lock, flags); list_del(&pp->list); diff --git a/drivers/macintosh/windfarm_pm121.c b/drivers/macintosh/windfarm_pm121.c index 4d72d8f58cb6..97634e030991 100644 --- a/drivers/macintosh/windfarm_pm121.c +++ b/drivers/macintosh/windfarm_pm121.c @@ -710,7 +710,7 @@ static void pm121_create_cpu_fans(void) wf_cpu_pid_init(&pm121_cpu_state->pid, &pid_param); pr_debug("pm121: CPU Fan control initialized.\n"); - pr_debug(" ttarged=%d.%03d, tmax=%d.%03d, min=%d RPM, max=%d RPM,\n", + pr_debug(" ttarget=%d.%03d, tmax=%d.%03d, min=%d RPM, max=%d RPM,\n", FIX32TOPRINT(pid_param.ttarget), FIX32TOPRINT(pid_param.tmax), pid_param.min, pid_param.max); diff --git a/drivers/macintosh/windfarm_pm81.c b/drivers/macintosh/windfarm_pm81.c index d9ea45581b9e..346c91744442 100644 --- a/drivers/macintosh/windfarm_pm81.c +++ b/drivers/macintosh/windfarm_pm81.c @@ -455,7 +455,7 @@ static void wf_smu_create_cpu_fans(void) wf_cpu_pid_init(&wf_smu_cpu_fans->pid, &pid_param); DBG("wf: CPU Fan control initialized.\n"); - DBG(" ttarged=%d.%03d, tmax=%d.%03d, min=%d RPM, max=%d RPM\n", + DBG(" ttarget=%d.%03d, tmax=%d.%03d, min=%d RPM, max=%d RPM\n", FIX32TOPRINT(pid_param.ttarget), FIX32TOPRINT(pid_param.tmax), pid_param.min, pid_param.max); diff --git a/drivers/macintosh/windfarm_pm91.c b/drivers/macintosh/windfarm_pm91.c index 7fd73dcb2b0a..a8a47c62a74b 100644 --- a/drivers/macintosh/windfarm_pm91.c +++ b/drivers/macintosh/windfarm_pm91.c @@ -200,7 +200,7 @@ static void wf_smu_create_cpu_fans(void) wf_cpu_pid_init(&wf_smu_cpu_fans->pid, &pid_param); DBG("wf: CPU Fan control initialized.\n"); - DBG(" ttarged=%d.%03d, tmax=%d.%03d, min=%d RPM, max=%d RPM\n", + DBG(" ttarget=%d.%03d, tmax=%d.%03d, min=%d RPM, max=%d RPM\n", FIX32TOPRINT(pid_param.ttarget), FIX32TOPRINT(pid_param.tmax), pid_param.min, pid_param.max); diff --git a/drivers/memory/emif-asm-offsets.c b/drivers/memory/emif-asm-offsets.c index 71a89d5d3efd..db8043019ec6 100644 --- a/drivers/memory/emif-asm-offsets.c +++ b/drivers/memory/emif-asm-offsets.c @@ -16,77 +16,7 @@ int main(void) { - DEFINE(EMIF_SDCFG_VAL_OFFSET, - offsetof(struct emif_regs_amx3, emif_sdcfg_val)); - DEFINE(EMIF_TIMING1_VAL_OFFSET, - offsetof(struct emif_regs_amx3, emif_timing1_val)); - DEFINE(EMIF_TIMING2_VAL_OFFSET, - offsetof(struct emif_regs_amx3, emif_timing2_val)); - DEFINE(EMIF_TIMING3_VAL_OFFSET, - offsetof(struct emif_regs_amx3, emif_timing3_val)); - DEFINE(EMIF_REF_CTRL_VAL_OFFSET, - offsetof(struct emif_regs_amx3, emif_ref_ctrl_val)); - DEFINE(EMIF_ZQCFG_VAL_OFFSET, - offsetof(struct emif_regs_amx3, emif_zqcfg_val)); - DEFINE(EMIF_PMCR_VAL_OFFSET, - offsetof(struct emif_regs_amx3, emif_pmcr_val)); - DEFINE(EMIF_PMCR_SHDW_VAL_OFFSET, - offsetof(struct emif_regs_amx3, emif_pmcr_shdw_val)); - DEFINE(EMIF_RD_WR_LEVEL_RAMP_CTRL_OFFSET, - offsetof(struct emif_regs_amx3, emif_rd_wr_level_ramp_ctrl)); - DEFINE(EMIF_RD_WR_EXEC_THRESH_OFFSET, - offsetof(struct emif_regs_amx3, emif_rd_wr_exec_thresh)); - DEFINE(EMIF_COS_CONFIG_OFFSET, - offsetof(struct emif_regs_amx3, emif_cos_config)); - DEFINE(EMIF_PRIORITY_TO_COS_MAPPING_OFFSET, - offsetof(struct emif_regs_amx3, emif_priority_to_cos_mapping)); - DEFINE(EMIF_CONNECT_ID_SERV_1_MAP_OFFSET, - offsetof(struct emif_regs_amx3, emif_connect_id_serv_1_map)); - DEFINE(EMIF_CONNECT_ID_SERV_2_MAP_OFFSET, - offsetof(struct emif_regs_amx3, emif_connect_id_serv_2_map)); - DEFINE(EMIF_OCP_CONFIG_VAL_OFFSET, - offsetof(struct emif_regs_amx3, emif_ocp_config_val)); - DEFINE(EMIF_LPDDR2_NVM_TIM_OFFSET, - offsetof(struct emif_regs_amx3, emif_lpddr2_nvm_tim)); - DEFINE(EMIF_LPDDR2_NVM_TIM_SHDW_OFFSET, - offsetof(struct emif_regs_amx3, emif_lpddr2_nvm_tim_shdw)); - DEFINE(EMIF_DLL_CALIB_CTRL_VAL_OFFSET, - offsetof(struct emif_regs_amx3, emif_dll_calib_ctrl_val)); - DEFINE(EMIF_DLL_CALIB_CTRL_VAL_SHDW_OFFSET, - offsetof(struct emif_regs_amx3, emif_dll_calib_ctrl_val_shdw)); - DEFINE(EMIF_DDR_PHY_CTLR_1_OFFSET, - offsetof(struct emif_regs_amx3, emif_ddr_phy_ctlr_1)); - DEFINE(EMIF_EXT_PHY_CTRL_VALS_OFFSET, - offsetof(struct emif_regs_amx3, emif_ext_phy_ctrl_vals)); - DEFINE(EMIF_REGS_AMX3_SIZE, sizeof(struct emif_regs_amx3)); - - BLANK(); - - DEFINE(EMIF_PM_BASE_ADDR_VIRT_OFFSET, - offsetof(struct ti_emif_pm_data, ti_emif_base_addr_virt)); - DEFINE(EMIF_PM_BASE_ADDR_PHYS_OFFSET, - offsetof(struct ti_emif_pm_data, ti_emif_base_addr_phys)); - DEFINE(EMIF_PM_CONFIG_OFFSET, - offsetof(struct ti_emif_pm_data, ti_emif_sram_config)); - DEFINE(EMIF_PM_REGS_VIRT_OFFSET, - offsetof(struct ti_emif_pm_data, regs_virt)); - DEFINE(EMIF_PM_REGS_PHYS_OFFSET, - offsetof(struct ti_emif_pm_data, regs_phys)); - DEFINE(EMIF_PM_DATA_SIZE, sizeof(struct ti_emif_pm_data)); - - BLANK(); - - DEFINE(EMIF_PM_SAVE_CONTEXT_OFFSET, - offsetof(struct ti_emif_pm_functions, save_context)); - DEFINE(EMIF_PM_RESTORE_CONTEXT_OFFSET, - offsetof(struct ti_emif_pm_functions, restore_context)); - DEFINE(EMIF_PM_ENTER_SR_OFFSET, - offsetof(struct ti_emif_pm_functions, enter_sr)); - DEFINE(EMIF_PM_EXIT_SR_OFFSET, - offsetof(struct ti_emif_pm_functions, exit_sr)); - DEFINE(EMIF_PM_ABORT_SR_OFFSET, - offsetof(struct ti_emif_pm_functions, abort_sr)); - DEFINE(EMIF_PM_FUNCTIONS_SIZE, sizeof(struct ti_emif_pm_functions)); + ti_emif_asm_offsets(); return 0; } diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c index 231f3a1e27bf..86503f60468f 100644 --- a/drivers/message/fusion/mptsas.c +++ b/drivers/message/fusion/mptsas.c @@ -1994,6 +1994,7 @@ static struct scsi_host_template mptsas_driver_template = { .cmd_per_lun = 7, .use_clustering = ENABLE_CLUSTERING, .shost_attrs = mptscsih_host_attrs, + .no_write_same = 1, }; static int mptsas_get_linkerrors(struct sas_phy *phy) diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c index 4d6736f9d463..429d6de1dde7 100644 --- a/drivers/misc/cxl/pci.c +++ b/drivers/misc/cxl/pci.c @@ -514,9 +514,9 @@ static int init_implementation_adapter_regs_psl9(struct cxl *adapter, cxl_p1_write(adapter, CXL_PSL9_FIR_CNTL, psl_fircntl); /* Setup the PSL to transmit packets on the PCIe before the - * CAPP is enabled + * CAPP is enabled. Make sure that CAPP virtual machines are disabled */ - cxl_p1_write(adapter, CXL_PSL9_DSNDCTL, 0x0001001000002A10ULL); + cxl_p1_write(adapter, CXL_PSL9_DSNDCTL, 0x0001001000012A10ULL); /* * A response to an ASB_Notify request is returned by the diff --git a/drivers/misc/cxl/sysfs.c b/drivers/misc/cxl/sysfs.c index 4b5a4c5d3c01..629e2e156412 100644 --- a/drivers/misc/cxl/sysfs.c +++ b/drivers/misc/cxl/sysfs.c @@ -353,12 +353,20 @@ static ssize_t prefault_mode_store(struct device *device, struct cxl_afu *afu = to_cxl_afu(device); enum prefault_modes mode = -1; - if (!strncmp(buf, "work_element_descriptor", 23)) - mode = CXL_PREFAULT_WED; - if (!strncmp(buf, "all", 3)) - mode = CXL_PREFAULT_ALL; if (!strncmp(buf, "none", 4)) mode = CXL_PREFAULT_NONE; + else { + if (!radix_enabled()) { + + /* only allowed when not in radix mode */ + if (!strncmp(buf, "work_element_descriptor", 23)) + mode = CXL_PREFAULT_WED; + if (!strncmp(buf, "all", 3)) + mode = CXL_PREFAULT_ALL; + } else { + dev_err(device, "Cannot prefault with radix enabled\n"); + } + } if (mode == -1) return -EINVAL; diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c index d4c07b85f18e..f5695be14499 100644 --- a/drivers/mtd/chips/cfi_cmdset_0001.c +++ b/drivers/mtd/chips/cfi_cmdset_0001.c @@ -45,6 +45,7 @@ #define I82802AB 0x00ad #define I82802AC 0x00ac #define PF38F4476 0x881c +#define M28F00AP30 0x8963 /* STMicroelectronics chips */ #define M50LPW080 0x002F #define M50FLW080A 0x0080 @@ -375,6 +376,17 @@ static void cfi_fixup_major_minor(struct cfi_private *cfi, extp->MinorVersion = '1'; } +static int cfi_is_micron_28F00AP30(struct cfi_private *cfi, struct flchip *chip) +{ + /* + * Micron(was Numonyx) 1Gbit bottom boot are buggy w.r.t + * Erase Supend for their small Erase Blocks(0x8000) + */ + if (cfi->mfr == CFI_MFR_INTEL && cfi->id == M28F00AP30) + return 1; + return 0; +} + static inline struct cfi_pri_intelext * read_pri_intelext(struct map_info *map, __u16 adr) { @@ -831,21 +843,30 @@ static int chip_ready (struct map_info *map, struct flchip *chip, unsigned long (mode == FL_WRITING && (cfip->SuspendCmdSupport & 1)))) goto sleep; + /* Do not allow suspend iff read/write to EB address */ + if ((adr & chip->in_progress_block_mask) == + chip->in_progress_block_addr) + goto sleep; + + /* do not suspend small EBs, buggy Micron Chips */ + if (cfi_is_micron_28F00AP30(cfi, chip) && + (chip->in_progress_block_mask == ~(0x8000-1))) + goto sleep; /* Erase suspend */ - map_write(map, CMD(0xB0), adr); + map_write(map, CMD(0xB0), chip->in_progress_block_addr); /* If the flash has finished erasing, then 'erase suspend' * appears to make some (28F320) flash devices switch to * 'read' mode. Make sure that we switch to 'read status' * mode so we get the right data. --rmk */ - map_write(map, CMD(0x70), adr); + map_write(map, CMD(0x70), chip->in_progress_block_addr); chip->oldstate = FL_ERASING; chip->state = FL_ERASE_SUSPENDING; chip->erase_suspended = 1; for (;;) { - status = map_read(map, adr); + status = map_read(map, chip->in_progress_block_addr); if (map_word_andequal(map, status, status_OK, status_OK)) break; @@ -1041,8 +1062,8 @@ static void put_chip(struct map_info *map, struct flchip *chip, unsigned long ad sending the 0x70 (Read Status) command to an erasing chip and expecting it to be ignored, that's what we do. */ - map_write(map, CMD(0xd0), adr); - map_write(map, CMD(0x70), adr); + map_write(map, CMD(0xd0), chip->in_progress_block_addr); + map_write(map, CMD(0x70), chip->in_progress_block_addr); chip->oldstate = FL_READY; chip->state = FL_ERASING; break; @@ -1933,6 +1954,8 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip, map_write(map, CMD(0xD0), adr); chip->state = FL_ERASING; chip->erase_suspended = 0; + chip->in_progress_block_addr = adr; + chip->in_progress_block_mask = ~(len - 1); ret = INVAL_CACHE_AND_WAIT(map, chip, adr, adr, len, diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c index 668e2cbc155b..692902df2598 100644 --- a/drivers/mtd/chips/cfi_cmdset_0002.c +++ b/drivers/mtd/chips/cfi_cmdset_0002.c @@ -816,9 +816,10 @@ static int get_chip(struct map_info *map, struct flchip *chip, unsigned long adr (mode == FL_WRITING && (cfip->EraseSuspend & 0x2)))) goto sleep; - /* We could check to see if we're trying to access the sector - * that is currently being erased. However, no user will try - * anything like that so we just wait for the timeout. */ + /* Do not allow suspend iff read/write to EB address */ + if ((adr & chip->in_progress_block_mask) == + chip->in_progress_block_addr) + goto sleep; /* Erase suspend */ /* It's harmless to issue the Erase-Suspend and Erase-Resume @@ -2267,6 +2268,7 @@ static int __xipram do_erase_chip(struct map_info *map, struct flchip *chip) chip->state = FL_ERASING; chip->erase_suspended = 0; chip->in_progress_block_addr = adr; + chip->in_progress_block_mask = ~(map->size - 1); INVALIDATE_CACHE_UDELAY(map, chip, adr, map->size, @@ -2356,6 +2358,7 @@ static int __xipram do_erase_oneblock(struct map_info *map, struct flchip *chip, chip->state = FL_ERASING; chip->erase_suspended = 0; chip->in_progress_block_addr = adr; + chip->in_progress_block_mask = ~(len - 1); INVALIDATE_CACHE_UDELAY(map, chip, adr, len, diff --git a/drivers/mtd/nand/core.c b/drivers/mtd/nand/core.c index d0cd6f8635d7..9c9f8936b63b 100644 --- a/drivers/mtd/nand/core.c +++ b/drivers/mtd/nand/core.c @@ -162,7 +162,6 @@ int nanddev_mtd_erase(struct mtd_info *mtd, struct erase_info *einfo) ret = nanddev_erase(nand, &pos); if (ret) { einfo->fail_addr = nanddev_pos_to_offs(nand, &pos); - einfo->state = MTD_ERASE_FAILED; return ret; } @@ -170,8 +169,6 @@ int nanddev_mtd_erase(struct mtd_info *mtd, struct erase_info *einfo) nanddev_pos_next_eraseblock(nand, &pos); } - einfo->state = MTD_ERASE_DONE; - return 0; } EXPORT_SYMBOL_GPL(nanddev_mtd_erase); diff --git a/drivers/mtd/nand/raw/marvell_nand.c b/drivers/mtd/nand/raw/marvell_nand.c index 10e953218948..1d779a35ac8e 100644 --- a/drivers/mtd/nand/raw/marvell_nand.c +++ b/drivers/mtd/nand/raw/marvell_nand.c @@ -2299,29 +2299,20 @@ static int marvell_nand_chip_init(struct device *dev, struct marvell_nfc *nfc, /* * The legacy "num-cs" property indicates the number of CS on the only * chip connected to the controller (legacy bindings does not support - * more than one chip). CS are only incremented one by one while the RB - * pin is always the #0. + * more than one chip). The CS and RB pins are always the #0. * * When not using legacy bindings, a couple of "reg" and "nand-rb" * properties must be filled. For each chip, expressed as a subnode, * "reg" points to the CS lines and "nand-rb" to the RB line. */ - if (pdata) { + if (pdata || nfc->caps->legacy_of_bindings) { nsels = 1; - } else if (nfc->caps->legacy_of_bindings && - !of_get_property(np, "num-cs", &nsels)) { - dev_err(dev, "missing num-cs property\n"); - return -EINVAL; - } else if (!of_get_property(np, "reg", &nsels)) { - dev_err(dev, "missing reg property\n"); - return -EINVAL; - } - - if (!pdata) - nsels /= sizeof(u32); - if (!nsels) { - dev_err(dev, "invalid reg property size\n"); - return -EINVAL; + } else { + nsels = of_property_count_elems_of_size(np, "reg", sizeof(u32)); + if (nsels <= 0) { + dev_err(dev, "missing/invalid reg property\n"); + return -EINVAL; + } } /* Alloc the nand chip structure */ diff --git a/drivers/mtd/nand/raw/tango_nand.c b/drivers/mtd/nand/raw/tango_nand.c index f54518ffb36a..f2052fae21c7 100644 --- a/drivers/mtd/nand/raw/tango_nand.c +++ b/drivers/mtd/nand/raw/tango_nand.c @@ -645,7 +645,7 @@ static int tango_nand_probe(struct platform_device *pdev) writel_relaxed(MODE_RAW, nfc->pbus_base + PBUS_PAD_MODE); - clk = clk_get(&pdev->dev, NULL); + clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(clk)) return PTR_ERR(clk); diff --git a/drivers/mtd/spi-nor/cadence-quadspi.c b/drivers/mtd/spi-nor/cadence-quadspi.c index 4b8e9183489a..5872f31eaa60 100644 --- a/drivers/mtd/spi-nor/cadence-quadspi.c +++ b/drivers/mtd/spi-nor/cadence-quadspi.c @@ -501,7 +501,9 @@ static int cqspi_indirect_read_execute(struct spi_nor *nor, u8 *rxbuf, void __iomem *reg_base = cqspi->iobase; void __iomem *ahb_base = cqspi->ahb_base; unsigned int remaining = n_rx; + unsigned int mod_bytes = n_rx % 4; unsigned int bytes_to_read = 0; + u8 *rxbuf_end = rxbuf + n_rx; int ret = 0; writel(from_addr, reg_base + CQSPI_REG_INDIRECTRDSTARTADDR); @@ -530,11 +532,24 @@ static int cqspi_indirect_read_execute(struct spi_nor *nor, u8 *rxbuf, } while (bytes_to_read != 0) { + unsigned int word_remain = round_down(remaining, 4); + bytes_to_read *= cqspi->fifo_width; bytes_to_read = bytes_to_read > remaining ? remaining : bytes_to_read; - ioread32_rep(ahb_base, rxbuf, - DIV_ROUND_UP(bytes_to_read, 4)); + bytes_to_read = round_down(bytes_to_read, 4); + /* Read 4 byte word chunks then single bytes */ + if (bytes_to_read) { + ioread32_rep(ahb_base, rxbuf, + (bytes_to_read / 4)); + } else if (!word_remain && mod_bytes) { + unsigned int temp = ioread32(ahb_base); + + bytes_to_read = mod_bytes; + memcpy(rxbuf, &temp, min((unsigned int) + (rxbuf_end - rxbuf), + bytes_to_read)); + } rxbuf += bytes_to_read; remaining -= bytes_to_read; bytes_to_read = cqspi_get_rd_sram_level(cqspi); diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index b7b113018853..718e4914e3a0 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1660,8 +1660,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev, } /* switch(bond_mode) */ #ifdef CONFIG_NET_POLL_CONTROLLER - slave_dev->npinfo = bond->dev->npinfo; - if (slave_dev->npinfo) { + if (bond->dev->npinfo) { if (slave_enable_netpoll(new_slave)) { netdev_info(bond_dev, "master_dev is using netpoll, but new slave device does not support netpoll\n"); res = -EBUSY; diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-common.h b/drivers/net/ethernet/amd/xgbe/xgbe-common.h index 7ea72ef11a55..d272dc6984ac 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-common.h +++ b/drivers/net/ethernet/amd/xgbe/xgbe-common.h @@ -1321,6 +1321,10 @@ #define MDIO_VEND2_AN_STAT 0x8002 #endif +#ifndef MDIO_VEND2_PMA_CDR_CONTROL +#define MDIO_VEND2_PMA_CDR_CONTROL 0x8056 +#endif + #ifndef MDIO_CTRL1_SPEED1G #define MDIO_CTRL1_SPEED1G (MDIO_CTRL1_SPEED10G & ~BMCR_SPEED100) #endif @@ -1369,6 +1373,10 @@ #define XGBE_AN_CL37_TX_CONFIG_MASK 0x08 #define XGBE_AN_CL37_MII_CTRL_8BIT 0x0100 +#define XGBE_PMA_CDR_TRACK_EN_MASK 0x01 +#define XGBE_PMA_CDR_TRACK_EN_OFF 0x00 +#define XGBE_PMA_CDR_TRACK_EN_ON 0x01 + /* Bit setting and getting macros * The get macro will extract the current bit field value from within * the variable diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c b/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c index 7d128be61310..b91143947ed2 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-debugfs.c @@ -519,6 +519,22 @@ void xgbe_debugfs_init(struct xgbe_prv_data *pdata) "debugfs_create_file failed\n"); } + if (pdata->vdata->an_cdr_workaround) { + pfile = debugfs_create_bool("an_cdr_workaround", 0600, + pdata->xgbe_debugfs, + &pdata->debugfs_an_cdr_workaround); + if (!pfile) + netdev_err(pdata->netdev, + "debugfs_create_bool failed\n"); + + pfile = debugfs_create_bool("an_cdr_track_early", 0600, + pdata->xgbe_debugfs, + &pdata->debugfs_an_cdr_track_early); + if (!pfile) + netdev_err(pdata->netdev, + "debugfs_create_bool failed\n"); + } + kfree(buf); } diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-main.c b/drivers/net/ethernet/amd/xgbe/xgbe-main.c index 795e556d4a3f..441d0973957b 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-main.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-main.c @@ -349,6 +349,7 @@ int xgbe_config_netdev(struct xgbe_prv_data *pdata) XGMAC_SET_BITS(pdata->rss_options, MAC_RSSCR, UDP4TE, 1); /* Call MDIO/PHY initialization routine */ + pdata->debugfs_an_cdr_workaround = pdata->vdata->an_cdr_workaround; ret = pdata->phy_if.phy_init(pdata); if (ret) return ret; diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c index 072b9f664597..1b45cd73a258 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c @@ -432,11 +432,16 @@ static void xgbe_an73_disable(struct xgbe_prv_data *pdata) xgbe_an73_set(pdata, false, false); xgbe_an73_disable_interrupts(pdata); + pdata->an_start = 0; + netif_dbg(pdata, link, pdata->netdev, "CL73 AN disabled\n"); } static void xgbe_an_restart(struct xgbe_prv_data *pdata) { + if (pdata->phy_if.phy_impl.an_pre) + pdata->phy_if.phy_impl.an_pre(pdata); + switch (pdata->an_mode) { case XGBE_AN_MODE_CL73: case XGBE_AN_MODE_CL73_REDRV: @@ -453,6 +458,9 @@ static void xgbe_an_restart(struct xgbe_prv_data *pdata) static void xgbe_an_disable(struct xgbe_prv_data *pdata) { + if (pdata->phy_if.phy_impl.an_post) + pdata->phy_if.phy_impl.an_post(pdata); + switch (pdata->an_mode) { case XGBE_AN_MODE_CL73: case XGBE_AN_MODE_CL73_REDRV: @@ -505,11 +513,11 @@ static enum xgbe_an xgbe_an73_tx_training(struct xgbe_prv_data *pdata, XMDIO_WRITE(pdata, MDIO_MMD_PMAPMD, MDIO_PMA_10GBR_PMD_CTRL, reg); - if (pdata->phy_if.phy_impl.kr_training_post) - pdata->phy_if.phy_impl.kr_training_post(pdata); - netif_dbg(pdata, link, pdata->netdev, "KR training initiated\n"); + + if (pdata->phy_if.phy_impl.kr_training_post) + pdata->phy_if.phy_impl.kr_training_post(pdata); } return XGBE_AN_PAGE_RECEIVED; @@ -637,11 +645,11 @@ static enum xgbe_an xgbe_an73_incompat_link(struct xgbe_prv_data *pdata) return XGBE_AN_NO_LINK; } - xgbe_an73_disable(pdata); + xgbe_an_disable(pdata); xgbe_switch_mode(pdata); - xgbe_an73_restart(pdata); + xgbe_an_restart(pdata); return XGBE_AN_INCOMPAT_LINK; } @@ -820,6 +828,9 @@ static void xgbe_an37_state_machine(struct xgbe_prv_data *pdata) pdata->an_result = pdata->an_state; pdata->an_state = XGBE_AN_READY; + if (pdata->phy_if.phy_impl.an_post) + pdata->phy_if.phy_impl.an_post(pdata); + netif_dbg(pdata, link, pdata->netdev, "CL37 AN result: %s\n", xgbe_state_as_string(pdata->an_result)); } @@ -903,6 +914,9 @@ again: pdata->kx_state = XGBE_RX_BPA; pdata->an_start = 0; + if (pdata->phy_if.phy_impl.an_post) + pdata->phy_if.phy_impl.an_post(pdata); + netif_dbg(pdata, link, pdata->netdev, "CL73 AN result: %s\n", xgbe_state_as_string(pdata->an_result)); } diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c index eb23f9ba1a9a..82d1f416ee2a 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-pci.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-pci.c @@ -456,6 +456,7 @@ static const struct xgbe_version_data xgbe_v2a = { .irq_reissue_support = 1, .tx_desc_prefetch = 5, .rx_desc_prefetch = 5, + .an_cdr_workaround = 1, }; static const struct xgbe_version_data xgbe_v2b = { @@ -470,6 +471,7 @@ static const struct xgbe_version_data xgbe_v2b = { .irq_reissue_support = 1, .tx_desc_prefetch = 5, .rx_desc_prefetch = 5, + .an_cdr_workaround = 1, }; static const struct pci_device_id xgbe_pci_table[] = { diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c index 3304a291aa96..aac884314000 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c @@ -147,6 +147,14 @@ /* Rate-change complete wait/retry count */ #define XGBE_RATECHANGE_COUNT 500 +/* CDR delay values for KR support (in usec) */ +#define XGBE_CDR_DELAY_INIT 10000 +#define XGBE_CDR_DELAY_INC 10000 +#define XGBE_CDR_DELAY_MAX 100000 + +/* RRC frequency during link status check */ +#define XGBE_RRC_FREQUENCY 10 + enum xgbe_port_mode { XGBE_PORT_MODE_RSVD = 0, XGBE_PORT_MODE_BACKPLANE, @@ -245,6 +253,10 @@ enum xgbe_sfp_speed { #define XGBE_SFP_BASE_VENDOR_SN 4 #define XGBE_SFP_BASE_VENDOR_SN_LEN 16 +#define XGBE_SFP_EXTD_OPT1 1 +#define XGBE_SFP_EXTD_OPT1_RX_LOS BIT(1) +#define XGBE_SFP_EXTD_OPT1_TX_FAULT BIT(3) + #define XGBE_SFP_EXTD_DIAG 28 #define XGBE_SFP_EXTD_DIAG_ADDR_CHANGE BIT(2) @@ -324,6 +336,7 @@ struct xgbe_phy_data { unsigned int sfp_gpio_address; unsigned int sfp_gpio_mask; + unsigned int sfp_gpio_inputs; unsigned int sfp_gpio_rx_los; unsigned int sfp_gpio_tx_fault; unsigned int sfp_gpio_mod_absent; @@ -355,6 +368,10 @@ struct xgbe_phy_data { unsigned int redrv_addr; unsigned int redrv_lane; unsigned int redrv_model; + + /* KR AN support */ + unsigned int phy_cdr_notrack; + unsigned int phy_cdr_delay; }; /* I2C, MDIO and GPIO lines are muxed, so only one device at a time */ @@ -974,6 +991,49 @@ static void xgbe_phy_sfp_external_phy(struct xgbe_prv_data *pdata) phy_data->sfp_phy_avail = 1; } +static bool xgbe_phy_check_sfp_rx_los(struct xgbe_phy_data *phy_data) +{ + u8 *sfp_extd = phy_data->sfp_eeprom.extd; + + if (!(sfp_extd[XGBE_SFP_EXTD_OPT1] & XGBE_SFP_EXTD_OPT1_RX_LOS)) + return false; + + if (phy_data->sfp_gpio_mask & XGBE_GPIO_NO_RX_LOS) + return false; + + if (phy_data->sfp_gpio_inputs & (1 << phy_data->sfp_gpio_rx_los)) + return true; + + return false; +} + +static bool xgbe_phy_check_sfp_tx_fault(struct xgbe_phy_data *phy_data) +{ + u8 *sfp_extd = phy_data->sfp_eeprom.extd; + + if (!(sfp_extd[XGBE_SFP_EXTD_OPT1] & XGBE_SFP_EXTD_OPT1_TX_FAULT)) + return false; + + if (phy_data->sfp_gpio_mask & XGBE_GPIO_NO_TX_FAULT) + return false; + + if (phy_data->sfp_gpio_inputs & (1 << phy_data->sfp_gpio_tx_fault)) + return true; + + return false; +} + +static bool xgbe_phy_check_sfp_mod_absent(struct xgbe_phy_data *phy_data) +{ + if (phy_data->sfp_gpio_mask & XGBE_GPIO_NO_MOD_ABSENT) + return false; + + if (phy_data->sfp_gpio_inputs & (1 << phy_data->sfp_gpio_mod_absent)) + return true; + + return false; +} + static bool xgbe_phy_belfuse_parse_quirks(struct xgbe_prv_data *pdata) { struct xgbe_phy_data *phy_data = pdata->phy_data; @@ -1019,6 +1079,10 @@ static void xgbe_phy_sfp_parse_eeprom(struct xgbe_prv_data *pdata) if (sfp_base[XGBE_SFP_BASE_EXT_ID] != XGBE_SFP_EXT_ID_SFP) return; + /* Update transceiver signals (eeprom extd/options) */ + phy_data->sfp_tx_fault = xgbe_phy_check_sfp_tx_fault(phy_data); + phy_data->sfp_rx_los = xgbe_phy_check_sfp_rx_los(phy_data); + if (xgbe_phy_sfp_parse_quirks(pdata)) return; @@ -1184,7 +1248,6 @@ put: static void xgbe_phy_sfp_signals(struct xgbe_prv_data *pdata) { struct xgbe_phy_data *phy_data = pdata->phy_data; - unsigned int gpio_input; u8 gpio_reg, gpio_ports[2]; int ret; @@ -1199,23 +1262,9 @@ static void xgbe_phy_sfp_signals(struct xgbe_prv_data *pdata) return; } - gpio_input = (gpio_ports[1] << 8) | gpio_ports[0]; - - if (phy_data->sfp_gpio_mask & XGBE_GPIO_NO_MOD_ABSENT) { - /* No GPIO, just assume the module is present for now */ - phy_data->sfp_mod_absent = 0; - } else { - if (!(gpio_input & (1 << phy_data->sfp_gpio_mod_absent))) - phy_data->sfp_mod_absent = 0; - } - - if (!(phy_data->sfp_gpio_mask & XGBE_GPIO_NO_RX_LOS) && - (gpio_input & (1 << phy_data->sfp_gpio_rx_los))) - phy_data->sfp_rx_los = 1; + phy_data->sfp_gpio_inputs = (gpio_ports[1] << 8) | gpio_ports[0]; - if (!(phy_data->sfp_gpio_mask & XGBE_GPIO_NO_TX_FAULT) && - (gpio_input & (1 << phy_data->sfp_gpio_tx_fault))) - phy_data->sfp_tx_fault = 1; + phy_data->sfp_mod_absent = xgbe_phy_check_sfp_mod_absent(phy_data); } static void xgbe_phy_sfp_mod_absent(struct xgbe_prv_data *pdata) @@ -2361,7 +2410,7 @@ static int xgbe_phy_link_status(struct xgbe_prv_data *pdata, int *an_restart) return 1; /* No link, attempt a receiver reset cycle */ - if (phy_data->rrc_count++) { + if (phy_data->rrc_count++ > XGBE_RRC_FREQUENCY) { phy_data->rrc_count = 0; xgbe_phy_rrc(pdata); } @@ -2669,6 +2718,103 @@ static bool xgbe_phy_port_enabled(struct xgbe_prv_data *pdata) return true; } +static void xgbe_phy_cdr_track(struct xgbe_prv_data *pdata) +{ + struct xgbe_phy_data *phy_data = pdata->phy_data; + + if (!pdata->debugfs_an_cdr_workaround) + return; + + if (!phy_data->phy_cdr_notrack) + return; + + usleep_range(phy_data->phy_cdr_delay, + phy_data->phy_cdr_delay + 500); + + XMDIO_WRITE_BITS(pdata, MDIO_MMD_PMAPMD, MDIO_VEND2_PMA_CDR_CONTROL, + XGBE_PMA_CDR_TRACK_EN_MASK, + XGBE_PMA_CDR_TRACK_EN_ON); + + phy_data->phy_cdr_notrack = 0; +} + +static void xgbe_phy_cdr_notrack(struct xgbe_prv_data *pdata) +{ + struct xgbe_phy_data *phy_data = pdata->phy_data; + + if (!pdata->debugfs_an_cdr_workaround) + return; + + if (phy_data->phy_cdr_notrack) + return; + + XMDIO_WRITE_BITS(pdata, MDIO_MMD_PMAPMD, MDIO_VEND2_PMA_CDR_CONTROL, + XGBE_PMA_CDR_TRACK_EN_MASK, + XGBE_PMA_CDR_TRACK_EN_OFF); + + xgbe_phy_rrc(pdata); + + phy_data->phy_cdr_notrack = 1; +} + +static void xgbe_phy_kr_training_post(struct xgbe_prv_data *pdata) +{ + if (!pdata->debugfs_an_cdr_track_early) + xgbe_phy_cdr_track(pdata); +} + +static void xgbe_phy_kr_training_pre(struct xgbe_prv_data *pdata) +{ + if (pdata->debugfs_an_cdr_track_early) + xgbe_phy_cdr_track(pdata); +} + +static void xgbe_phy_an_post(struct xgbe_prv_data *pdata) +{ + struct xgbe_phy_data *phy_data = pdata->phy_data; + + switch (pdata->an_mode) { + case XGBE_AN_MODE_CL73: + case XGBE_AN_MODE_CL73_REDRV: + if (phy_data->cur_mode != XGBE_MODE_KR) + break; + + xgbe_phy_cdr_track(pdata); + + switch (pdata->an_result) { + case XGBE_AN_READY: + case XGBE_AN_COMPLETE: + break; + default: + if (phy_data->phy_cdr_delay < XGBE_CDR_DELAY_MAX) + phy_data->phy_cdr_delay += XGBE_CDR_DELAY_INC; + else + phy_data->phy_cdr_delay = XGBE_CDR_DELAY_INIT; + break; + } + break; + default: + break; + } +} + +static void xgbe_phy_an_pre(struct xgbe_prv_data *pdata) +{ + struct xgbe_phy_data *phy_data = pdata->phy_data; + + switch (pdata->an_mode) { + case XGBE_AN_MODE_CL73: + case XGBE_AN_MODE_CL73_REDRV: + if (phy_data->cur_mode != XGBE_MODE_KR) + break; + + xgbe_phy_cdr_notrack(pdata); + break; + default: + break; + } +} + static void xgbe_phy_stop(struct xgbe_prv_data *pdata) { struct xgbe_phy_data *phy_data = pdata->phy_data; @@ -2680,6 +2826,9 @@ static void xgbe_phy_stop(struct xgbe_prv_data *pdata) xgbe_phy_sfp_reset(phy_data); xgbe_phy_sfp_mod_absent(pdata); + /* Reset CDR support */ + xgbe_phy_cdr_track(pdata); + /* Power off the PHY */ xgbe_phy_power_off(pdata); @@ -2712,6 +2861,9 @@ static int xgbe_phy_start(struct xgbe_prv_data *pdata) /* Start in highest supported mode */ xgbe_phy_set_mode(pdata, phy_data->start_mode); + /* Reset CDR support */ + xgbe_phy_cdr_track(pdata); + /* After starting the I2C controller, we can check for an SFP */ switch (phy_data->port_mode) { case XGBE_PORT_MODE_SFP: @@ -3019,6 +3171,8 @@ static int xgbe_phy_init(struct xgbe_prv_data *pdata) } } + phy_data->phy_cdr_delay = XGBE_CDR_DELAY_INIT; + /* Register for driving external PHYs */ mii = devm_mdiobus_alloc(pdata->dev); if (!mii) { @@ -3071,4 +3225,10 @@ void xgbe_init_function_ptrs_phy_v2(struct xgbe_phy_if *phy_if) phy_impl->an_advertising = xgbe_phy_an_advertising; phy_impl->an_outcome = xgbe_phy_an_outcome; + + phy_impl->an_pre = xgbe_phy_an_pre; + phy_impl->an_post = xgbe_phy_an_post; + + phy_impl->kr_training_pre = xgbe_phy_kr_training_pre; + phy_impl->kr_training_post = xgbe_phy_kr_training_post; } diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h index ad102c8bac7b..95d4b56448c6 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe.h +++ b/drivers/net/ethernet/amd/xgbe/xgbe.h @@ -833,6 +833,7 @@ struct xgbe_hw_if { /* This structure represents implementation specific routines for an * implementation of a PHY. All routines are required unless noted below. * Optional routines: + * an_pre, an_post * kr_training_pre, kr_training_post */ struct xgbe_phy_impl_if { @@ -875,6 +876,10 @@ struct xgbe_phy_impl_if { /* Process results of auto-negotiation */ enum xgbe_mode (*an_outcome)(struct xgbe_prv_data *); + /* Pre/Post auto-negotiation support */ + void (*an_pre)(struct xgbe_prv_data *); + void (*an_post)(struct xgbe_prv_data *); + /* Pre/Post KR training enablement support */ void (*kr_training_pre)(struct xgbe_prv_data *); void (*kr_training_post)(struct xgbe_prv_data *); @@ -989,6 +994,7 @@ struct xgbe_version_data { unsigned int irq_reissue_support; unsigned int tx_desc_prefetch; unsigned int rx_desc_prefetch; + unsigned int an_cdr_workaround; }; struct xgbe_vxlan_data { @@ -1257,6 +1263,9 @@ struct xgbe_prv_data { unsigned int debugfs_xprop_reg; unsigned int debugfs_xi2c_reg; + + bool debugfs_an_cdr_workaround; + bool debugfs_an_cdr_track_early; }; /* Function prototypes*/ diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 2df01ad98df7..6e8d6a6f6aaf 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -1128,7 +1128,7 @@ static void clean_rx_pools(struct ibmvnic_adapter *adapter) if (!adapter->rx_pool) return; - rx_scrqs = be32_to_cpu(adapter->login_rsp_buf->num_rxadd_subcrqs); + rx_scrqs = adapter->num_active_rx_pools; rx_entries = adapter->req_rx_add_entries_per_subcrq; /* Free any remaining skbs in the rx buffer pools */ @@ -1177,7 +1177,7 @@ static void clean_tx_pools(struct ibmvnic_adapter *adapter) if (!adapter->tx_pool || !adapter->tso_pool) return; - tx_scrqs = be32_to_cpu(adapter->login_rsp_buf->num_txsubm_subcrqs); + tx_scrqs = adapter->num_active_tx_pools; /* Free any remaining skbs in the tx buffer pools */ for (i = 0; i < tx_scrqs; i++) { diff --git a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h index 5b13ca1bd85f..7dc5f045e969 100644 --- a/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h +++ b/drivers/net/ethernet/intel/ice/ice_adminq_cmd.h @@ -586,7 +586,7 @@ struct ice_sw_rule_lg_act { #define ICE_LG_ACT_MIRROR_VSI_ID_S 3 #define ICE_LG_ACT_MIRROR_VSI_ID_M (0x3FF << ICE_LG_ACT_MIRROR_VSI_ID_S) - /* Action type = 5 - Large Action */ + /* Action type = 5 - Generic Value */ #define ICE_LG_ACT_GENERIC 0x5 #define ICE_LG_ACT_GENERIC_VALUE_S 3 #define ICE_LG_ACT_GENERIC_VALUE_M (0xFFFF << ICE_LG_ACT_GENERIC_VALUE_S) diff --git a/drivers/net/ethernet/intel/ice/ice_common.c b/drivers/net/ethernet/intel/ice/ice_common.c index 21977ec984c4..71d032cc5fa7 100644 --- a/drivers/net/ethernet/intel/ice/ice_common.c +++ b/drivers/net/ethernet/intel/ice/ice_common.c @@ -78,6 +78,7 @@ ice_aq_manage_mac_read(struct ice_hw *hw, void *buf, u16 buf_size, struct ice_aq_desc desc; enum ice_status status; u16 flags; + u8 i; cmd = &desc.params.mac_read; @@ -98,8 +99,16 @@ ice_aq_manage_mac_read(struct ice_hw *hw, void *buf, u16 buf_size, return ICE_ERR_CFG; } - ether_addr_copy(hw->port_info->mac.lan_addr, resp->mac_addr); - ether_addr_copy(hw->port_info->mac.perm_addr, resp->mac_addr); + /* A single port can report up to two (LAN and WoL) addresses */ + for (i = 0; i < cmd->num_addr; i++) + if (resp[i].addr_type == ICE_AQC_MAN_MAC_ADDR_TYPE_LAN) { + ether_addr_copy(hw->port_info->mac.lan_addr, + resp[i].mac_addr); + ether_addr_copy(hw->port_info->mac.perm_addr, + resp[i].mac_addr); + break; + } + return 0; } @@ -464,9 +473,12 @@ enum ice_status ice_init_hw(struct ice_hw *hw) if (status) goto err_unroll_sched; - /* Get port MAC information */ - mac_buf_len = sizeof(struct ice_aqc_manage_mac_read_resp); - mac_buf = devm_kzalloc(ice_hw_to_dev(hw), mac_buf_len, GFP_KERNEL); + /* Get MAC information */ + /* A single port can report up to two (LAN and WoL) addresses */ + mac_buf = devm_kcalloc(ice_hw_to_dev(hw), 2, + sizeof(struct ice_aqc_manage_mac_read_resp), + GFP_KERNEL); + mac_buf_len = 2 * sizeof(struct ice_aqc_manage_mac_read_resp); if (!mac_buf) { status = ICE_ERR_NO_MEMORY; diff --git a/drivers/net/ethernet/intel/ice/ice_hw_autogen.h b/drivers/net/ethernet/intel/ice/ice_hw_autogen.h index 1b9e2ef48a9d..499904874b3f 100644 --- a/drivers/net/ethernet/intel/ice/ice_hw_autogen.h +++ b/drivers/net/ethernet/intel/ice/ice_hw_autogen.h @@ -121,8 +121,6 @@ #define PFINT_FW_CTL_CAUSE_ENA_S 30 #define PFINT_FW_CTL_CAUSE_ENA_M BIT(PFINT_FW_CTL_CAUSE_ENA_S) #define PFINT_OICR 0x0016CA00 -#define PFINT_OICR_INTEVENT_S 0 -#define PFINT_OICR_INTEVENT_M BIT(PFINT_OICR_INTEVENT_S) #define PFINT_OICR_HLP_RDY_S 14 #define PFINT_OICR_HLP_RDY_M BIT(PFINT_OICR_HLP_RDY_S) #define PFINT_OICR_CPM_RDY_S 15 diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index 210b7910f1cd..5299caf55a7f 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -1722,9 +1722,6 @@ static irqreturn_t ice_misc_intr(int __always_unused irq, void *data) oicr = rd32(hw, PFINT_OICR); ena_mask = rd32(hw, PFINT_OICR_ENA); - if (!(oicr & PFINT_OICR_INTEVENT_M)) - goto ena_intr; - if (oicr & PFINT_OICR_GRST_M) { u32 reset; /* we have a reset warning */ @@ -1782,7 +1779,6 @@ static irqreturn_t ice_misc_intr(int __always_unused irq, void *data) } ret = IRQ_HANDLED; -ena_intr: /* re-enable interrupt causes that are not handled during this pass */ wr32(hw, PFINT_OICR_ENA, ena_mask); if (!test_bit(__ICE_DOWN, pf->state)) { diff --git a/drivers/net/ethernet/intel/ice/ice_sched.c b/drivers/net/ethernet/intel/ice/ice_sched.c index f16ff3e4a840..2e6c1d92cc88 100644 --- a/drivers/net/ethernet/intel/ice/ice_sched.c +++ b/drivers/net/ethernet/intel/ice/ice_sched.c @@ -751,14 +751,14 @@ ice_sched_add_nodes_to_layer(struct ice_port_info *pi, u16 num_added = 0; u32 temp; + *num_nodes_added = 0; + if (!num_nodes) return status; if (!parent || layer < hw->sw_entry_point_layer) return ICE_ERR_PARAM; - *num_nodes_added = 0; - /* max children per node per layer */ max_child_nodes = le16_to_cpu(hw->layer_info[parent->tx_sched_layer].max_children); diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c index c1c0bc30a16d..cce7ada89255 100644 --- a/drivers/net/ethernet/intel/igb/igb_main.c +++ b/drivers/net/ethernet/intel/igb/igb_main.c @@ -1700,7 +1700,22 @@ static void igb_configure_cbs(struct igb_adapter *adapter, int queue, WARN_ON(hw->mac.type != e1000_i210); WARN_ON(queue < 0 || queue > 1); - if (enable) { + if (enable || queue == 0) { + /* i210 does not allow the queue 0 to be in the Strict + * Priority mode while the Qav mode is enabled, so, + * instead of disabling strict priority mode, we give + * queue 0 the maximum of credits possible. + * + * See section 8.12.19 of the i210 datasheet, "Note: + * Queue0 QueueMode must be set to 1b when + * TransmitMode is set to Qav." + */ + if (queue == 0 && !enable) { + /* max "linkspeed" idleslope in kbps */ + idleslope = 1000000; + hicredit = ETH_FRAME_LEN; + } + set_tx_desc_fetch_prio(hw, queue, TX_QUEUE_PRIO_HIGH); set_queue_mode(hw, queue, QUEUE_MODE_STREAM_RESERVATION); diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index 3d9033f26eff..e3d04f226d57 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -3420,7 +3420,7 @@ static int ixgbevf_setup_all_tx_resources(struct ixgbevf_adapter *adapter) if (!err) continue; hw_dbg(&adapter->hw, "Allocation for XDP Queue %u failed\n", j); - break; + goto err_setup_tx; } return 0; diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c index 83ce229f4eb7..63036d9bf3e6 100644 --- a/drivers/net/ethernet/sfc/ef10.c +++ b/drivers/net/ethernet/sfc/ef10.c @@ -3999,29 +3999,6 @@ static void efx_ef10_prepare_flr(struct efx_nic *efx) atomic_set(&efx->active_queues, 0); } -static bool efx_ef10_filter_equal(const struct efx_filter_spec *left, - const struct efx_filter_spec *right) -{ - if ((left->match_flags ^ right->match_flags) | - ((left->flags ^ right->flags) & - (EFX_FILTER_FLAG_RX | EFX_FILTER_FLAG_TX))) - return false; - - return memcmp(&left->outer_vid, &right->outer_vid, - sizeof(struct efx_filter_spec) - - offsetof(struct efx_filter_spec, outer_vid)) == 0; -} - -static unsigned int efx_ef10_filter_hash(const struct efx_filter_spec *spec) -{ - BUILD_BUG_ON(offsetof(struct efx_filter_spec, outer_vid) & 3); - return jhash2((const u32 *)&spec->outer_vid, - (sizeof(struct efx_filter_spec) - - offsetof(struct efx_filter_spec, outer_vid)) / 4, - 0); - /* XXX should we randomise the initval? */ -} - /* Decide whether a filter should be exclusive or else should allow * delivery to additional recipients. Currently we decide that * filters for specific local unicast MAC and IP addresses are @@ -4346,7 +4323,7 @@ static s32 efx_ef10_filter_insert(struct efx_nic *efx, goto out_unlock; match_pri = rc; - hash = efx_ef10_filter_hash(spec); + hash = efx_filter_spec_hash(spec); is_mc_recip = efx_filter_is_mc_recipient(spec); if (is_mc_recip) bitmap_zero(mc_rem_map, EFX_EF10_FILTER_SEARCH_LIMIT); @@ -4378,7 +4355,7 @@ static s32 efx_ef10_filter_insert(struct efx_nic *efx, if (!saved_spec) { if (ins_index < 0) ins_index = i; - } else if (efx_ef10_filter_equal(spec, saved_spec)) { + } else if (efx_filter_spec_equal(spec, saved_spec)) { if (spec->priority < saved_spec->priority && spec->priority != EFX_FILTER_PRI_AUTO) { rc = -EPERM; @@ -4762,27 +4739,62 @@ static s32 efx_ef10_filter_get_rx_ids(struct efx_nic *efx, static bool efx_ef10_filter_rfs_expire_one(struct efx_nic *efx, u32 flow_id, unsigned int filter_idx) { + struct efx_filter_spec *spec, saved_spec; struct efx_ef10_filter_table *table; - struct efx_filter_spec *spec; - bool ret; + struct efx_arfs_rule *rule = NULL; + bool ret = true, force = false; + u16 arfs_id; down_read(&efx->filter_sem); table = efx->filter_state; down_write(&table->lock); spec = efx_ef10_filter_entry_spec(table, filter_idx); - if (!spec || spec->priority != EFX_FILTER_PRI_HINT) { - ret = true; + if (!spec || spec->priority != EFX_FILTER_PRI_HINT) goto out_unlock; - } - if (!rps_may_expire_flow(efx->net_dev, spec->dmaq_id, flow_id, 0)) { - ret = false; - goto out_unlock; + spin_lock_bh(&efx->rps_hash_lock); + if (!efx->rps_hash_table) { + /* In the absence of the table, we always return 0 to ARFS. */ + arfs_id = 0; + } else { + rule = efx_rps_hash_find(efx, spec); + if (!rule) + /* ARFS table doesn't know of this filter, so remove it */ + goto expire; + arfs_id = rule->arfs_id; + ret = efx_rps_check_rule(rule, filter_idx, &force); + if (force) + goto expire; + if (!ret) { + spin_unlock_bh(&efx->rps_hash_lock); + goto out_unlock; + } } - + if (!rps_may_expire_flow(efx->net_dev, spec->dmaq_id, flow_id, arfs_id)) + ret = false; + else if (rule) + rule->filter_id = EFX_ARFS_FILTER_ID_REMOVING; +expire: + saved_spec = *spec; /* remove operation will kfree spec */ + spin_unlock_bh(&efx->rps_hash_lock); + /* At this point (since we dropped the lock), another thread might queue + * up a fresh insertion request (but the actual insertion will be held + * up by our possession of the filter table lock). In that case, it + * will set rule->filter_id to EFX_ARFS_FILTER_ID_PENDING, meaning that + * the rule is not removed by efx_rps_hash_del() below. + */ ret = efx_ef10_filter_remove_internal(efx, 1U << spec->priority, filter_idx, true) == 0; + /* While we can't safely dereference rule (we dropped the lock), we can + * still test it for NULL. + */ + if (ret && rule) { + /* Expiring, so remove entry from ARFS table */ + spin_lock_bh(&efx->rps_hash_lock); + efx_rps_hash_del(efx, &saved_spec); + spin_unlock_bh(&efx->rps_hash_lock); + } out_unlock: up_write(&table->lock); up_read(&efx->filter_sem); diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index 692dd729ee2a..a4ebd8715494 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -3027,6 +3027,10 @@ static int efx_init_struct(struct efx_nic *efx, mutex_init(&efx->mac_lock); #ifdef CONFIG_RFS_ACCEL mutex_init(&efx->rps_mutex); + spin_lock_init(&efx->rps_hash_lock); + /* Failure to allocate is not fatal, but may degrade ARFS performance */ + efx->rps_hash_table = kcalloc(EFX_ARFS_HASH_TABLE_SIZE, + sizeof(*efx->rps_hash_table), GFP_KERNEL); #endif efx->phy_op = &efx_dummy_phy_operations; efx->mdio.dev = net_dev; @@ -3070,6 +3074,10 @@ static void efx_fini_struct(struct efx_nic *efx) { int i; +#ifdef CONFIG_RFS_ACCEL + kfree(efx->rps_hash_table); +#endif + for (i = 0; i < EFX_MAX_CHANNELS; i++) kfree(efx->channel[i]); @@ -3092,6 +3100,141 @@ void efx_update_sw_stats(struct efx_nic *efx, u64 *stats) stats[GENERIC_STAT_rx_noskb_drops] = atomic_read(&efx->n_rx_noskb_drops); } +bool efx_filter_spec_equal(const struct efx_filter_spec *left, + const struct efx_filter_spec *right) +{ + if ((left->match_flags ^ right->match_flags) | + ((left->flags ^ right->flags) & + (EFX_FILTER_FLAG_RX | EFX_FILTER_FLAG_TX))) + return false; + + return memcmp(&left->outer_vid, &right->outer_vid, + sizeof(struct efx_filter_spec) - + offsetof(struct efx_filter_spec, outer_vid)) == 0; +} + +u32 efx_filter_spec_hash(const struct efx_filter_spec *spec) +{ + BUILD_BUG_ON(offsetof(struct efx_filter_spec, outer_vid) & 3); + return jhash2((const u32 *)&spec->outer_vid, + (sizeof(struct efx_filter_spec) - + offsetof(struct efx_filter_spec, outer_vid)) / 4, + 0); +} + +#ifdef CONFIG_RFS_ACCEL +bool efx_rps_check_rule(struct efx_arfs_rule *rule, unsigned int filter_idx, + bool *force) +{ + if (rule->filter_id == EFX_ARFS_FILTER_ID_PENDING) { + /* ARFS is currently updating this entry, leave it */ + return false; + } + if (rule->filter_id == EFX_ARFS_FILTER_ID_ERROR) { + /* ARFS tried and failed to update this, so it's probably out + * of date. Remove the filter and the ARFS rule entry. + */ + rule->filter_id = EFX_ARFS_FILTER_ID_REMOVING; + *force = true; + return true; + } else if (WARN_ON(rule->filter_id != filter_idx)) { /* can't happen */ + /* ARFS has moved on, so old filter is not needed. Since we did + * not mark the rule with EFX_ARFS_FILTER_ID_REMOVING, it will + * not be removed by efx_rps_hash_del() subsequently. + */ + *force = true; + return true; + } + /* Remove it iff ARFS wants to. */ + return true; +} + +struct hlist_head *efx_rps_hash_bucket(struct efx_nic *efx, + const struct efx_filter_spec *spec) +{ + u32 hash = efx_filter_spec_hash(spec); + + WARN_ON(!spin_is_locked(&efx->rps_hash_lock)); + if (!efx->rps_hash_table) + return NULL; + return &efx->rps_hash_table[hash % EFX_ARFS_HASH_TABLE_SIZE]; +} + +struct efx_arfs_rule *efx_rps_hash_find(struct efx_nic *efx, + const struct efx_filter_spec *spec) +{ + struct efx_arfs_rule *rule; + struct hlist_head *head; + struct hlist_node *node; + + head = efx_rps_hash_bucket(efx, spec); + if (!head) + return NULL; + hlist_for_each(node, head) { + rule = container_of(node, struct efx_arfs_rule, node); + if (efx_filter_spec_equal(spec, &rule->spec)) + return rule; + } + return NULL; +} + +struct efx_arfs_rule *efx_rps_hash_add(struct efx_nic *efx, + const struct efx_filter_spec *spec, + bool *new) +{ + struct efx_arfs_rule *rule; + struct hlist_head *head; + struct hlist_node *node; + + head = efx_rps_hash_bucket(efx, spec); + if (!head) + return NULL; + hlist_for_each(node, head) { + rule = container_of(node, struct efx_arfs_rule, node); + if (efx_filter_spec_equal(spec, &rule->spec)) { + *new = false; + return rule; + } + } + rule = kmalloc(sizeof(*rule), GFP_ATOMIC); + *new = true; + if (rule) { + memcpy(&rule->spec, spec, sizeof(rule->spec)); + hlist_add_head(&rule->node, head); + } + return rule; +} + +void efx_rps_hash_del(struct efx_nic *efx, const struct efx_filter_spec *spec) +{ + struct efx_arfs_rule *rule; + struct hlist_head *head; + struct hlist_node *node; + + head = efx_rps_hash_bucket(efx, spec); + if (WARN_ON(!head)) + return; + hlist_for_each(node, head) { + rule = container_of(node, struct efx_arfs_rule, node); + if (efx_filter_spec_equal(spec, &rule->spec)) { + /* Someone already reused the entry. We know that if + * this check doesn't fire (i.e. filter_id == REMOVING) + * then the REMOVING mark was put there by our caller, + * because caller is holding a lock on filter table and + * only holders of that lock set REMOVING. + */ + if (rule->filter_id != EFX_ARFS_FILTER_ID_REMOVING) + return; + hlist_del(node); + kfree(rule); + return; + } + } + /* We didn't find it. */ + WARN_ON(1); +} +#endif + /* RSS contexts. We're using linked lists and crappy O(n) algorithms, because * (a) this is an infrequent control-plane operation and (b) n is small (max 64) */ diff --git a/drivers/net/ethernet/sfc/efx.h b/drivers/net/ethernet/sfc/efx.h index a3140e16fcef..3f759ebdcf10 100644 --- a/drivers/net/ethernet/sfc/efx.h +++ b/drivers/net/ethernet/sfc/efx.h @@ -186,6 +186,27 @@ static inline void efx_filter_rfs_expire(struct work_struct *data) {} #endif bool efx_filter_is_mc_recipient(const struct efx_filter_spec *spec); +bool efx_filter_spec_equal(const struct efx_filter_spec *left, + const struct efx_filter_spec *right); +u32 efx_filter_spec_hash(const struct efx_filter_spec *spec); + +#ifdef CONFIG_RFS_ACCEL +bool efx_rps_check_rule(struct efx_arfs_rule *rule, unsigned int filter_idx, + bool *force); + +struct efx_arfs_rule *efx_rps_hash_find(struct efx_nic *efx, + const struct efx_filter_spec *spec); + +/* @new is written to indicate if entry was newly added (true) or if an old + * entry was found and returned (false). + */ +struct efx_arfs_rule *efx_rps_hash_add(struct efx_nic *efx, + const struct efx_filter_spec *spec, + bool *new); + +void efx_rps_hash_del(struct efx_nic *efx, const struct efx_filter_spec *spec); +#endif + /* RSS contexts */ struct efx_rss_context *efx_alloc_rss_context_entry(struct efx_nic *efx); struct efx_rss_context *efx_find_rss_context_entry(struct efx_nic *efx, u32 id); diff --git a/drivers/net/ethernet/sfc/farch.c b/drivers/net/ethernet/sfc/farch.c index 7174ef5e5c5e..c72adf8b52ea 100644 --- a/drivers/net/ethernet/sfc/farch.c +++ b/drivers/net/ethernet/sfc/farch.c @@ -2905,18 +2905,45 @@ bool efx_farch_filter_rfs_expire_one(struct efx_nic *efx, u32 flow_id, { struct efx_farch_filter_state *state = efx->filter_state; struct efx_farch_filter_table *table; - bool ret = false; + bool ret = false, force = false; + u16 arfs_id; down_write(&state->lock); + spin_lock_bh(&efx->rps_hash_lock); table = &state->table[EFX_FARCH_FILTER_TABLE_RX_IP]; if (test_bit(index, table->used_bitmap) && - table->spec[index].priority == EFX_FILTER_PRI_HINT && - rps_may_expire_flow(efx->net_dev, table->spec[index].dmaq_id, - flow_id, 0)) { - efx_farch_filter_table_clear_entry(efx, table, index); - ret = true; + table->spec[index].priority == EFX_FILTER_PRI_HINT) { + struct efx_arfs_rule *rule = NULL; + struct efx_filter_spec spec; + + efx_farch_filter_to_gen_spec(&spec, &table->spec[index]); + if (!efx->rps_hash_table) { + /* In the absence of the table, we always returned 0 to + * ARFS, so use the same to query it. + */ + arfs_id = 0; + } else { + rule = efx_rps_hash_find(efx, &spec); + if (!rule) { + /* ARFS table doesn't know of this filter, remove it */ + force = true; + } else { + arfs_id = rule->arfs_id; + if (!efx_rps_check_rule(rule, index, &force)) + goto out_unlock; + } + } + if (force || rps_may_expire_flow(efx->net_dev, spec.dmaq_id, + flow_id, arfs_id)) { + if (rule) + rule->filter_id = EFX_ARFS_FILTER_ID_REMOVING; + efx_rps_hash_del(efx, &spec); + efx_farch_filter_table_clear_entry(efx, table, index); + ret = true; + } } - +out_unlock: + spin_unlock_bh(&efx->rps_hash_lock); up_write(&state->lock); return ret; } diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h index eea3808b3f25..65568925c3ef 100644 --- a/drivers/net/ethernet/sfc/net_driver.h +++ b/drivers/net/ethernet/sfc/net_driver.h @@ -734,6 +734,35 @@ struct efx_rss_context { }; #ifdef CONFIG_RFS_ACCEL +/* Order of these is important, since filter_id >= %EFX_ARFS_FILTER_ID_PENDING + * is used to test if filter does or will exist. + */ +#define EFX_ARFS_FILTER_ID_PENDING -1 +#define EFX_ARFS_FILTER_ID_ERROR -2 +#define EFX_ARFS_FILTER_ID_REMOVING -3 +/** + * struct efx_arfs_rule - record of an ARFS filter and its IDs + * @node: linkage into hash table + * @spec: details of the filter (used as key for hash table). Use efx->type to + * determine which member to use. + * @rxq_index: channel to which the filter will steer traffic. + * @arfs_id: filter ID which was returned to ARFS + * @filter_id: index in software filter table. May be + * %EFX_ARFS_FILTER_ID_PENDING if filter was not inserted yet, + * %EFX_ARFS_FILTER_ID_ERROR if filter insertion failed, or + * %EFX_ARFS_FILTER_ID_REMOVING if expiry is currently removing the filter. + */ +struct efx_arfs_rule { + struct hlist_node node; + struct efx_filter_spec spec; + u16 rxq_index; + u16 arfs_id; + s32 filter_id; +}; + +/* Size chosen so that the table is one page (4kB) */ +#define EFX_ARFS_HASH_TABLE_SIZE 512 + /** * struct efx_async_filter_insertion - Request to asynchronously insert a filter * @net_dev: Reference to the netdevice @@ -873,6 +902,10 @@ struct efx_async_filter_insertion { * @rps_expire_channel's @rps_flow_id * @rps_slot_map: bitmap of in-flight entries in @rps_slot * @rps_slot: array of ARFS insertion requests for efx_filter_rfs_work() + * @rps_hash_lock: Protects ARFS filter mapping state (@rps_hash_table and + * @rps_next_id). + * @rps_hash_table: Mapping between ARFS filters and their various IDs + * @rps_next_id: next arfs_id for an ARFS filter * @active_queues: Count of RX and TX queues that haven't been flushed and drained. * @rxq_flush_pending: Count of number of receive queues that need to be flushed. * Decremented when the efx_flush_rx_queue() is called. @@ -1029,6 +1062,9 @@ struct efx_nic { unsigned int rps_expire_index; unsigned long rps_slot_map; struct efx_async_filter_insertion rps_slot[EFX_RPS_MAX_IN_FLIGHT]; + spinlock_t rps_hash_lock; + struct hlist_head *rps_hash_table; + u32 rps_next_id; #endif atomic_t active_queues; diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c index 9c593c661cbf..64a94f242027 100644 --- a/drivers/net/ethernet/sfc/rx.c +++ b/drivers/net/ethernet/sfc/rx.c @@ -834,9 +834,29 @@ static void efx_filter_rfs_work(struct work_struct *data) struct efx_nic *efx = netdev_priv(req->net_dev); struct efx_channel *channel = efx_get_channel(efx, req->rxq_index); int slot_idx = req - efx->rps_slot; + struct efx_arfs_rule *rule; + u16 arfs_id = 0; int rc; rc = efx->type->filter_insert(efx, &req->spec, true); + if (efx->rps_hash_table) { + spin_lock_bh(&efx->rps_hash_lock); + rule = efx_rps_hash_find(efx, &req->spec); + /* The rule might have already gone, if someone else's request + * for the same spec was already worked and then expired before + * we got around to our work. In that case we have nothing + * tying us to an arfs_id, meaning that as soon as the filter + * is considered for expiry it will be removed. + */ + if (rule) { + if (rc < 0) + rule->filter_id = EFX_ARFS_FILTER_ID_ERROR; + else + rule->filter_id = rc; + arfs_id = rule->arfs_id; + } + spin_unlock_bh(&efx->rps_hash_lock); + } if (rc >= 0) { /* Remember this so we can check whether to expire the filter * later. @@ -848,18 +868,18 @@ static void efx_filter_rfs_work(struct work_struct *data) if (req->spec.ether_type == htons(ETH_P_IP)) netif_info(efx, rx_status, efx->net_dev, - "steering %s %pI4:%u:%pI4:%u to queue %u [flow %u filter %d]\n", + "steering %s %pI4:%u:%pI4:%u to queue %u [flow %u filter %d id %u]\n", (req->spec.ip_proto == IPPROTO_TCP) ? "TCP" : "UDP", req->spec.rem_host, ntohs(req->spec.rem_port), req->spec.loc_host, ntohs(req->spec.loc_port), - req->rxq_index, req->flow_id, rc); + req->rxq_index, req->flow_id, rc, arfs_id); else netif_info(efx, rx_status, efx->net_dev, - "steering %s [%pI6]:%u:[%pI6]:%u to queue %u [flow %u filter %d]\n", + "steering %s [%pI6]:%u:[%pI6]:%u to queue %u [flow %u filter %d id %u]\n", (req->spec.ip_proto == IPPROTO_TCP) ? "TCP" : "UDP", req->spec.rem_host, ntohs(req->spec.rem_port), req->spec.loc_host, ntohs(req->spec.loc_port), - req->rxq_index, req->flow_id, rc); + req->rxq_index, req->flow_id, rc, arfs_id); } /* Release references */ @@ -872,8 +892,10 @@ int efx_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb, { struct efx_nic *efx = netdev_priv(net_dev); struct efx_async_filter_insertion *req; + struct efx_arfs_rule *rule; struct flow_keys fk; int slot_idx; + bool new; int rc; /* find a free slot */ @@ -926,12 +948,42 @@ int efx_filter_rfs(struct net_device *net_dev, const struct sk_buff *skb, req->spec.rem_port = fk.ports.src; req->spec.loc_port = fk.ports.dst; + if (efx->rps_hash_table) { + /* Add it to ARFS hash table */ + spin_lock(&efx->rps_hash_lock); + rule = efx_rps_hash_add(efx, &req->spec, &new); + if (!rule) { + rc = -ENOMEM; + goto out_unlock; + } + if (new) + rule->arfs_id = efx->rps_next_id++ % RPS_NO_FILTER; + rc = rule->arfs_id; + /* Skip if existing or pending filter already does the right thing */ + if (!new && rule->rxq_index == rxq_index && + rule->filter_id >= EFX_ARFS_FILTER_ID_PENDING) + goto out_unlock; + rule->rxq_index = rxq_index; + rule->filter_id = EFX_ARFS_FILTER_ID_PENDING; + spin_unlock(&efx->rps_hash_lock); + } else { + /* Without an ARFS hash table, we just use arfs_id 0 for all + * filters. This means if multiple flows hash to the same + * flow_id, all but the most recently touched will be eligible + * for expiry. + */ + rc = 0; + } + + /* Queue the request */ dev_hold(req->net_dev = net_dev); INIT_WORK(&req->work, efx_filter_rfs_work); req->rxq_index = rxq_index; req->flow_id = flow_id; schedule_work(&req->work); - return 0; + return rc; +out_unlock: + spin_unlock(&efx->rps_hash_lock); out_clear: clear_bit(slot_idx, &efx->rps_slot_map); return rc; diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 30371274409d..74f828412055 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -129,7 +129,7 @@ do { \ #define RX_PRIORITY_MAPPING 0x76543210 #define TX_PRIORITY_MAPPING 0x33221100 -#define CPDMA_TX_PRIORITY_MAP 0x01234567 +#define CPDMA_TX_PRIORITY_MAP 0x76543210 #define CPSW_VLAN_AWARE BIT(1) #define CPSW_RX_VLAN_ENCAP BIT(2) diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index c22e8e383247..25e2a099b71c 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -1393,6 +1393,15 @@ static int m88e1318_set_wol(struct phy_device *phydev, if (err < 0) goto error; + /* If WOL event happened once, the LED[2] interrupt pin + * will not be cleared unless we reading the interrupt status + * register. If interrupts are in use, the normal interrupt + * handling will clear the WOL event. Clear the WOL event + * before enabling it if !phy_interrupt_is_valid() + */ + if (!phy_interrupt_is_valid(phydev)) + phy_read(phydev, MII_M1011_IEVENT); + /* Enable the WOL interrupt */ err = __phy_modify(phydev, MII_88E1318S_PHY_CSIER, 0, MII_88E1318S_PHY_CSIER_WOL_EIE); diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c index 1483bc7b01e1..7df07337d69c 100644 --- a/drivers/net/ppp/pppoe.c +++ b/drivers/net/ppp/pppoe.c @@ -620,6 +620,10 @@ static int pppoe_connect(struct socket *sock, struct sockaddr *uservaddr, lock_sock(sk); error = -EINVAL; + + if (sockaddr_len != sizeof(struct sockaddr_pppox)) + goto end; + if (sp->sa_protocol != PX_PROTO_OE) goto end; diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index acbe84967834..ddb6bf85a59c 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -1072,14 +1072,11 @@ static void team_port_leave(struct team *team, struct team_port *port) } #ifdef CONFIG_NET_POLL_CONTROLLER -static int team_port_enable_netpoll(struct team *team, struct team_port *port) +static int __team_port_enable_netpoll(struct team_port *port) { struct netpoll *np; int err; - if (!team->dev->npinfo) - return 0; - np = kzalloc(sizeof(*np), GFP_KERNEL); if (!np) return -ENOMEM; @@ -1093,6 +1090,14 @@ static int team_port_enable_netpoll(struct team *team, struct team_port *port) return err; } +static int team_port_enable_netpoll(struct team_port *port) +{ + if (!port->team->dev->npinfo) + return 0; + + return __team_port_enable_netpoll(port); +} + static void team_port_disable_netpoll(struct team_port *port) { struct netpoll *np = port->np; @@ -1107,7 +1112,7 @@ static void team_port_disable_netpoll(struct team_port *port) kfree(np); } #else -static int team_port_enable_netpoll(struct team *team, struct team_port *port) +static int team_port_enable_netpoll(struct team_port *port) { return 0; } @@ -1221,7 +1226,7 @@ static int team_port_add(struct team *team, struct net_device *port_dev, goto err_vids_add; } - err = team_port_enable_netpoll(team, port); + err = team_port_enable_netpoll(port); if (err) { netdev_err(dev, "Failed to enable netpoll on device %s\n", portname); @@ -1918,7 +1923,7 @@ static int team_netpoll_setup(struct net_device *dev, mutex_lock(&team->lock); list_for_each_entry(port, &team->port_list, list) { - err = team_port_enable_netpoll(team, port); + err = __team_port_enable_netpoll(port); if (err) { __team_netpoll_cleanup(team); break; diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 84aa9d676375..6da20b9688f7 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -942,7 +942,7 @@ int __init early_init_dt_scan_chosen_stdout(void) int offset; const char *p, *q, *options = NULL; int l; - const struct earlycon_id *match; + const struct earlycon_id **p_match; const void *fdt = initial_boot_params; offset = fdt_path_offset(fdt, "/chosen"); @@ -969,7 +969,10 @@ int __init early_init_dt_scan_chosen_stdout(void) return 0; } - for (match = __earlycon_table; match < __earlycon_table_end; match++) { + for (p_match = __earlycon_table; p_match < __earlycon_table_end; + p_match++) { + const struct earlycon_id *match = *p_match; + if (!match->compatible[0]) continue; diff --git a/drivers/pci/dwc/pcie-kirin.c b/drivers/pci/dwc/pcie-kirin.c index a6b88c7f6e3e..d2970a009eb5 100644 --- a/drivers/pci/dwc/pcie-kirin.c +++ b/drivers/pci/dwc/pcie-kirin.c @@ -486,7 +486,7 @@ static int kirin_pcie_probe(struct platform_device *pdev) return ret; kirin_pcie->gpio_id_reset = of_get_named_gpio(dev->of_node, - "reset-gpio", 0); + "reset-gpios", 0); if (kirin_pcie->gpio_id_reset < 0) return -ENODEV; diff --git a/drivers/pci/host/pci-aardvark.c b/drivers/pci/host/pci-aardvark.c index b04d37b3c5de..9abf549631b4 100644 --- a/drivers/pci/host/pci-aardvark.c +++ b/drivers/pci/host/pci-aardvark.c @@ -29,6 +29,7 @@ #define PCIE_CORE_DEV_CTRL_STATS_MAX_PAYLOAD_SZ_SHIFT 5 #define PCIE_CORE_DEV_CTRL_STATS_SNOOP_DISABLE (0 << 11) #define PCIE_CORE_DEV_CTRL_STATS_MAX_RD_REQ_SIZE_SHIFT 12 +#define PCIE_CORE_DEV_CTRL_STATS_MAX_RD_REQ_SZ 0x2 #define PCIE_CORE_LINK_CTRL_STAT_REG 0xd0 #define PCIE_CORE_LINK_L0S_ENTRY BIT(0) #define PCIE_CORE_LINK_TRAINING BIT(5) @@ -100,7 +101,8 @@ #define PCIE_ISR1_MASK_REG (CONTROL_BASE_ADDR + 0x4C) #define PCIE_ISR1_POWER_STATE_CHANGE BIT(4) #define PCIE_ISR1_FLUSH BIT(5) -#define PCIE_ISR1_ALL_MASK GENMASK(5, 4) +#define PCIE_ISR1_INTX_ASSERT(val) BIT(8 + (val)) +#define PCIE_ISR1_ALL_MASK GENMASK(11, 4) #define PCIE_MSI_ADDR_LOW_REG (CONTROL_BASE_ADDR + 0x50) #define PCIE_MSI_ADDR_HIGH_REG (CONTROL_BASE_ADDR + 0x54) #define PCIE_MSI_STATUS_REG (CONTROL_BASE_ADDR + 0x58) @@ -172,8 +174,6 @@ #define PCIE_CONFIG_WR_TYPE0 0xa #define PCIE_CONFIG_WR_TYPE1 0xb -/* PCI_BDF shifts 8bit, so we need extra 4bit shift */ -#define PCIE_BDF(dev) (dev << 4) #define PCIE_CONF_BUS(bus) (((bus) & 0xff) << 20) #define PCIE_CONF_DEV(dev) (((dev) & 0x1f) << 15) #define PCIE_CONF_FUNC(fun) (((fun) & 0x7) << 12) @@ -296,7 +296,8 @@ static void advk_pcie_setup_hw(struct advk_pcie *pcie) reg = PCIE_CORE_DEV_CTRL_STATS_RELAX_ORDER_DISABLE | (7 << PCIE_CORE_DEV_CTRL_STATS_MAX_PAYLOAD_SZ_SHIFT) | PCIE_CORE_DEV_CTRL_STATS_SNOOP_DISABLE | - PCIE_CORE_DEV_CTRL_STATS_MAX_RD_REQ_SIZE_SHIFT; + (PCIE_CORE_DEV_CTRL_STATS_MAX_RD_REQ_SZ << + PCIE_CORE_DEV_CTRL_STATS_MAX_RD_REQ_SIZE_SHIFT); advk_writel(pcie, reg, PCIE_CORE_DEV_CTRL_STATS_REG); /* Program PCIe Control 2 to disable strict ordering */ @@ -437,7 +438,7 @@ static int advk_pcie_rd_conf(struct pci_bus *bus, u32 devfn, u32 reg; int ret; - if (PCI_SLOT(devfn) != 0) { + if ((bus->number == pcie->root_bus_nr) && PCI_SLOT(devfn) != 0) { *val = 0xffffffff; return PCIBIOS_DEVICE_NOT_FOUND; } @@ -456,7 +457,7 @@ static int advk_pcie_rd_conf(struct pci_bus *bus, u32 devfn, advk_writel(pcie, reg, PIO_CTRL); /* Program the address registers */ - reg = PCIE_BDF(devfn) | PCIE_CONF_REG(where); + reg = PCIE_CONF_ADDR(bus->number, devfn, where); advk_writel(pcie, reg, PIO_ADDR_LS); advk_writel(pcie, 0, PIO_ADDR_MS); @@ -491,7 +492,7 @@ static int advk_pcie_wr_conf(struct pci_bus *bus, u32 devfn, int offset; int ret; - if (PCI_SLOT(devfn) != 0) + if ((bus->number == pcie->root_bus_nr) && PCI_SLOT(devfn) != 0) return PCIBIOS_DEVICE_NOT_FOUND; if (where % size) @@ -609,9 +610,9 @@ static void advk_pcie_irq_mask(struct irq_data *d) irq_hw_number_t hwirq = irqd_to_hwirq(d); u32 mask; - mask = advk_readl(pcie, PCIE_ISR0_MASK_REG); - mask |= PCIE_ISR0_INTX_ASSERT(hwirq); - advk_writel(pcie, mask, PCIE_ISR0_MASK_REG); + mask = advk_readl(pcie, PCIE_ISR1_MASK_REG); + mask |= PCIE_ISR1_INTX_ASSERT(hwirq); + advk_writel(pcie, mask, PCIE_ISR1_MASK_REG); } static void advk_pcie_irq_unmask(struct irq_data *d) @@ -620,9 +621,9 @@ static void advk_pcie_irq_unmask(struct irq_data *d) irq_hw_number_t hwirq = irqd_to_hwirq(d); u32 mask; - mask = advk_readl(pcie, PCIE_ISR0_MASK_REG); - mask &= ~PCIE_ISR0_INTX_ASSERT(hwirq); - advk_writel(pcie, mask, PCIE_ISR0_MASK_REG); + mask = advk_readl(pcie, PCIE_ISR1_MASK_REG); + mask &= ~PCIE_ISR1_INTX_ASSERT(hwirq); + advk_writel(pcie, mask, PCIE_ISR1_MASK_REG); } static int advk_pcie_irq_map(struct irq_domain *h, @@ -765,29 +766,35 @@ static void advk_pcie_handle_msi(struct advk_pcie *pcie) static void advk_pcie_handle_int(struct advk_pcie *pcie) { - u32 val, mask, status; + u32 isr0_val, isr0_mask, isr0_status; + u32 isr1_val, isr1_mask, isr1_status; int i, virq; - val = advk_readl(pcie, PCIE_ISR0_REG); - mask = advk_readl(pcie, PCIE_ISR0_MASK_REG); - status = val & ((~mask) & PCIE_ISR0_ALL_MASK); + isr0_val = advk_readl(pcie, PCIE_ISR0_REG); + isr0_mask = advk_readl(pcie, PCIE_ISR0_MASK_REG); + isr0_status = isr0_val & ((~isr0_mask) & PCIE_ISR0_ALL_MASK); + + isr1_val = advk_readl(pcie, PCIE_ISR1_REG); + isr1_mask = advk_readl(pcie, PCIE_ISR1_MASK_REG); + isr1_status = isr1_val & ((~isr1_mask) & PCIE_ISR1_ALL_MASK); - if (!status) { - advk_writel(pcie, val, PCIE_ISR0_REG); + if (!isr0_status && !isr1_status) { + advk_writel(pcie, isr0_val, PCIE_ISR0_REG); + advk_writel(pcie, isr1_val, PCIE_ISR1_REG); return; } /* Process MSI interrupts */ - if (status & PCIE_ISR0_MSI_INT_PENDING) + if (isr0_status & PCIE_ISR0_MSI_INT_PENDING) advk_pcie_handle_msi(pcie); /* Process legacy interrupts */ for (i = 0; i < PCI_NUM_INTX; i++) { - if (!(status & PCIE_ISR0_INTX_ASSERT(i))) + if (!(isr1_status & PCIE_ISR1_INTX_ASSERT(i))) continue; - advk_writel(pcie, PCIE_ISR0_INTX_ASSERT(i), - PCIE_ISR0_REG); + advk_writel(pcie, PCIE_ISR1_INTX_ASSERT(i), + PCIE_ISR1_REG); virq = irq_find_mapping(pcie->irq_domain, i); generic_handle_irq(virq); diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 6ace47099fc5..b9a131137e64 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -958,10 +958,11 @@ static int pci_pm_freeze(struct device *dev) * devices should not be touched during freeze/thaw transitions, * however. */ - if (!dev_pm_test_driver_flags(dev, DPM_FLAG_SMART_SUSPEND)) + if (!dev_pm_smart_suspend_and_suspended(dev)) { pm_runtime_resume(dev); + pci_dev->state_saved = false; + } - pci_dev->state_saved = false; if (pm->freeze) { int error; diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index e597655a5643..a04197ce767d 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -5273,11 +5273,11 @@ void pcie_print_link_status(struct pci_dev *dev) bw_avail = pcie_bandwidth_available(dev, &limiting_dev, &speed, &width); if (bw_avail >= bw_cap) - pci_info(dev, "%u.%03u Gb/s available bandwidth (%s x%d link)\n", + pci_info(dev, "%u.%03u Gb/s available PCIe bandwidth (%s x%d link)\n", bw_cap / 1000, bw_cap % 1000, PCIE_SPEED2STR(speed_cap), width_cap); else - pci_info(dev, "%u.%03u Gb/s available bandwidth, limited by %s x%d link at %s (capable of %u.%03u Gb/s with %s x%d link)\n", + pci_info(dev, "%u.%03u Gb/s available PCIe bandwidth, limited by %s x%d link at %s (capable of %u.%03u Gb/s with %s x%d link)\n", bw_avail / 1000, bw_avail % 1000, PCIE_SPEED2STR(speed), width, limiting_dev ? pci_name(limiting_dev) : "<unknown>", diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c index 62f5f04d8f61..5e963fe0e38d 100644 --- a/drivers/s390/block/dasd_alias.c +++ b/drivers/s390/block/dasd_alias.c @@ -592,13 +592,22 @@ static int _schedule_lcu_update(struct alias_lcu *lcu, int dasd_alias_add_device(struct dasd_device *device) { struct dasd_eckd_private *private = device->private; - struct alias_lcu *lcu; + __u8 uaddr = private->uid.real_unit_addr; + struct alias_lcu *lcu = private->lcu; unsigned long flags; int rc; - lcu = private->lcu; rc = 0; spin_lock_irqsave(&lcu->lock, flags); + /* + * Check if device and lcu type differ. If so, the uac data may be + * outdated and needs to be updated. + */ + if (private->uid.type != lcu->uac->unit[uaddr].ua_type) { + lcu->flags |= UPDATE_PENDING; + DBF_DEV_EVENT(DBF_WARNING, device, "%s", + "uid type mismatch - trigger rescan"); + } if (!(lcu->flags & UPDATE_PENDING)) { rc = _add_device_to_lcu(lcu, device, device); if (rc) diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index 6652a49a49b1..9029804dcd22 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -452,6 +452,7 @@ static void chsc_process_sei_link_incident(struct chsc_sei_nt0_area *sei_area) static void chsc_process_sei_res_acc(struct chsc_sei_nt0_area *sei_area) { + struct channel_path *chp; struct chp_link link; struct chp_id chpid; int status; @@ -464,10 +465,17 @@ static void chsc_process_sei_res_acc(struct chsc_sei_nt0_area *sei_area) chpid.id = sei_area->rsid; /* allocate a new channel path structure, if needed */ status = chp_get_status(chpid); - if (status < 0) - chp_new(chpid); - else if (!status) + if (!status) return; + + if (status < 0) { + chp_new(chpid); + } else { + chp = chpid_to_chp(chpid); + mutex_lock(&chp->lock); + chp_update_desc(chp); + mutex_unlock(&chp->lock); + } memset(&link, 0, sizeof(struct chp_link)); link.chpid = chpid; if ((sei_area->vf & 0xc0) != 0) { diff --git a/drivers/s390/cio/vfio_ccw_fsm.c b/drivers/s390/cio/vfio_ccw_fsm.c index ff6963ad6e39..3c800642134e 100644 --- a/drivers/s390/cio/vfio_ccw_fsm.c +++ b/drivers/s390/cio/vfio_ccw_fsm.c @@ -20,12 +20,12 @@ static int fsm_io_helper(struct vfio_ccw_private *private) int ccode; __u8 lpm; unsigned long flags; + int ret; sch = private->sch; spin_lock_irqsave(sch->lock, flags); private->state = VFIO_CCW_STATE_BUSY; - spin_unlock_irqrestore(sch->lock, flags); orb = cp_get_orb(&private->cp, (u32)(addr_t)sch, sch->lpm); @@ -38,10 +38,12 @@ static int fsm_io_helper(struct vfio_ccw_private *private) * Initialize device status information */ sch->schib.scsw.cmd.actl |= SCSW_ACTL_START_PEND; - return 0; + ret = 0; + break; case 1: /* Status pending */ case 2: /* Busy */ - return -EBUSY; + ret = -EBUSY; + break; case 3: /* Device/path not operational */ { lpm = orb->cmd.lpm; @@ -51,13 +53,16 @@ static int fsm_io_helper(struct vfio_ccw_private *private) sch->lpm = 0; if (cio_update_schib(sch)) - return -ENODEV; - - return sch->lpm ? -EACCES : -ENODEV; + ret = -ENODEV; + else + ret = sch->lpm ? -EACCES : -ENODEV; + break; } default: - return ccode; + ret = ccode; } + spin_unlock_irqrestore(sch->lock, flags); + return ret; } static void fsm_notoper(struct vfio_ccw_private *private, diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index 4326715dc13e..78b98b3e7efa 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -557,7 +557,6 @@ enum qeth_prot_versions { enum qeth_cmd_buffer_state { BUF_STATE_FREE, BUF_STATE_LOCKED, - BUF_STATE_PROCESSED, }; enum qeth_cq { @@ -601,7 +600,6 @@ struct qeth_channel { struct qeth_cmd_buffer iob[QETH_CMD_BUFFER_NO]; atomic_t irq_pending; int io_buf_no; - int buf_no; }; /** diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 04fefa5bb08d..dffd820731f2 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -706,7 +706,6 @@ void qeth_clear_ipacmd_list(struct qeth_card *card) qeth_put_reply(reply); } spin_unlock_irqrestore(&card->lock, flags); - atomic_set(&card->write.irq_pending, 0); } EXPORT_SYMBOL_GPL(qeth_clear_ipacmd_list); @@ -818,7 +817,6 @@ void qeth_clear_cmd_buffers(struct qeth_channel *channel) for (cnt = 0; cnt < QETH_CMD_BUFFER_NO; cnt++) qeth_release_buffer(channel, &channel->iob[cnt]); - channel->buf_no = 0; channel->io_buf_no = 0; } EXPORT_SYMBOL_GPL(qeth_clear_cmd_buffers); @@ -924,7 +922,6 @@ static int qeth_setup_channel(struct qeth_channel *channel) kfree(channel->iob[cnt].data); return -ENOMEM; } - channel->buf_no = 0; channel->io_buf_no = 0; atomic_set(&channel->irq_pending, 0); spin_lock_init(&channel->iob_lock); @@ -1100,16 +1097,9 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm, { int rc; int cstat, dstat; - struct qeth_cmd_buffer *buffer; + struct qeth_cmd_buffer *iob = NULL; struct qeth_channel *channel; struct qeth_card *card; - struct qeth_cmd_buffer *iob; - __u8 index; - - if (__qeth_check_irb_error(cdev, intparm, irb)) - return; - cstat = irb->scsw.cmd.cstat; - dstat = irb->scsw.cmd.dstat; card = CARD_FROM_CDEV(cdev); if (!card) @@ -1127,6 +1117,19 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm, channel = &card->data; QETH_CARD_TEXT(card, 5, "data"); } + + if (qeth_intparm_is_iob(intparm)) + iob = (struct qeth_cmd_buffer *) __va((addr_t)intparm); + + if (__qeth_check_irb_error(cdev, intparm, irb)) { + /* IO was terminated, free its resources. */ + if (iob) + qeth_release_buffer(iob->channel, iob); + atomic_set(&channel->irq_pending, 0); + wake_up(&card->wait_q); + return; + } + atomic_set(&channel->irq_pending, 0); if (irb->scsw.cmd.fctl & (SCSW_FCTL_CLEAR_FUNC)) @@ -1150,6 +1153,10 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm, /* we don't have to handle this further */ intparm = 0; } + + cstat = irb->scsw.cmd.cstat; + dstat = irb->scsw.cmd.dstat; + if ((dstat & DEV_STAT_UNIT_EXCEP) || (dstat & DEV_STAT_UNIT_CHECK) || (cstat)) { @@ -1182,25 +1189,15 @@ static void qeth_irq(struct ccw_device *cdev, unsigned long intparm, channel->state = CH_STATE_RCD_DONE; goto out; } - if (intparm) { - buffer = (struct qeth_cmd_buffer *) __va((addr_t)intparm); - buffer->state = BUF_STATE_PROCESSED; - } if (channel == &card->data) return; if (channel == &card->read && channel->state == CH_STATE_UP) __qeth_issue_next_read(card); - iob = channel->iob; - index = channel->buf_no; - while (iob[index].state == BUF_STATE_PROCESSED) { - if (iob[index].callback != NULL) - iob[index].callback(channel, iob + index); + if (iob && iob->callback) + iob->callback(iob->channel, iob); - index = (index + 1) % QETH_CMD_BUFFER_NO; - } - channel->buf_no = index; out: wake_up(&card->wait_q); return; @@ -1870,8 +1867,8 @@ static int qeth_idx_activate_get_answer(struct qeth_channel *channel, atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0); QETH_DBF_TEXT(SETUP, 6, "noirqpnd"); spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); - rc = ccw_device_start(channel->ccwdev, - &channel->ccw, (addr_t) iob, 0, 0); + rc = ccw_device_start_timeout(channel->ccwdev, &channel->ccw, + (addr_t) iob, 0, 0, QETH_TIMEOUT); spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); if (rc) { @@ -1888,7 +1885,6 @@ static int qeth_idx_activate_get_answer(struct qeth_channel *channel, if (channel->state != CH_STATE_UP) { rc = -ETIME; QETH_DBF_TEXT_(SETUP, 2, "3err%d", rc); - qeth_clear_cmd_buffers(channel); } else rc = 0; return rc; @@ -1942,8 +1938,8 @@ static int qeth_idx_activate_channel(struct qeth_channel *channel, atomic_cmpxchg(&channel->irq_pending, 0, 1) == 0); QETH_DBF_TEXT(SETUP, 6, "noirqpnd"); spin_lock_irqsave(get_ccwdev_lock(channel->ccwdev), flags); - rc = ccw_device_start(channel->ccwdev, - &channel->ccw, (addr_t) iob, 0, 0); + rc = ccw_device_start_timeout(channel->ccwdev, &channel->ccw, + (addr_t) iob, 0, 0, QETH_TIMEOUT); spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags); if (rc) { @@ -1964,7 +1960,6 @@ static int qeth_idx_activate_channel(struct qeth_channel *channel, QETH_DBF_MESSAGE(2, "%s IDX activate timed out\n", dev_name(&channel->ccwdev->dev)); QETH_DBF_TEXT_(SETUP, 2, "2err%d", -ETIME); - qeth_clear_cmd_buffers(channel); return -ETIME; } return qeth_idx_activate_get_answer(channel, idx_reply_cb); @@ -2166,8 +2161,8 @@ int qeth_send_control_data(struct qeth_card *card, int len, QETH_CARD_TEXT(card, 6, "noirqpnd"); spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags); - rc = ccw_device_start(card->write.ccwdev, &card->write.ccw, - (addr_t) iob, 0, 0); + rc = ccw_device_start_timeout(CARD_WDEV(card), &card->write.ccw, + (addr_t) iob, 0, 0, event_timeout); spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags); if (rc) { QETH_DBF_MESSAGE(2, "%s qeth_send_control_data: " @@ -2199,8 +2194,6 @@ int qeth_send_control_data(struct qeth_card *card, int len, } } - if (reply->rc == -EIO) - goto error; rc = reply->rc; qeth_put_reply(reply); return rc; @@ -2211,10 +2204,6 @@ time_err: list_del_init(&reply->list); spin_unlock_irqrestore(&reply->card->lock, flags); atomic_inc(&reply->received); -error: - atomic_set(&card->write.irq_pending, 0); - qeth_release_buffer(iob->channel, iob); - card->write.buf_no = (card->write.buf_no + 1) % QETH_CMD_BUFFER_NO; rc = reply->rc; qeth_put_reply(reply); return rc; @@ -3033,28 +3022,23 @@ static int qeth_send_startlan(struct qeth_card *card) return rc; } -static int qeth_default_setadapterparms_cb(struct qeth_card *card, - struct qeth_reply *reply, unsigned long data) +static int qeth_setadpparms_inspect_rc(struct qeth_ipa_cmd *cmd) { - struct qeth_ipa_cmd *cmd; - - QETH_CARD_TEXT(card, 4, "defadpcb"); - - cmd = (struct qeth_ipa_cmd *) data; - if (cmd->hdr.return_code == 0) + if (!cmd->hdr.return_code) cmd->hdr.return_code = cmd->data.setadapterparms.hdr.return_code; - return 0; + return cmd->hdr.return_code; } static int qeth_query_setadapterparms_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) { - struct qeth_ipa_cmd *cmd; + struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; QETH_CARD_TEXT(card, 3, "quyadpcb"); + if (qeth_setadpparms_inspect_rc(cmd)) + return 0; - cmd = (struct qeth_ipa_cmd *) data; if (cmd->data.setadapterparms.data.query_cmds_supp.lan_type & 0x7f) { card->info.link_type = cmd->data.setadapterparms.data.query_cmds_supp.lan_type; @@ -3062,7 +3046,7 @@ static int qeth_query_setadapterparms_cb(struct qeth_card *card, } card->options.adp.supported_funcs = cmd->data.setadapterparms.data.query_cmds_supp.supported_cmds; - return qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd); + return 0; } static struct qeth_cmd_buffer *qeth_get_adapter_cmd(struct qeth_card *card, @@ -3154,22 +3138,20 @@ EXPORT_SYMBOL_GPL(qeth_query_ipassists); static int qeth_query_switch_attributes_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) { - struct qeth_ipa_cmd *cmd; - struct qeth_switch_info *sw_info; + struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; struct qeth_query_switch_attributes *attrs; + struct qeth_switch_info *sw_info; QETH_CARD_TEXT(card, 2, "qswiatcb"); - cmd = (struct qeth_ipa_cmd *) data; - sw_info = (struct qeth_switch_info *)reply->param; - if (cmd->data.setadapterparms.hdr.return_code == 0) { - attrs = &cmd->data.setadapterparms.data.query_switch_attributes; - sw_info->capabilities = attrs->capabilities; - sw_info->settings = attrs->settings; - QETH_CARD_TEXT_(card, 2, "%04x%04x", sw_info->capabilities, - sw_info->settings); - } - qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd); + if (qeth_setadpparms_inspect_rc(cmd)) + return 0; + sw_info = (struct qeth_switch_info *)reply->param; + attrs = &cmd->data.setadapterparms.data.query_switch_attributes; + sw_info->capabilities = attrs->capabilities; + sw_info->settings = attrs->settings; + QETH_CARD_TEXT_(card, 2, "%04x%04x", sw_info->capabilities, + sw_info->settings); return 0; } @@ -4207,16 +4189,13 @@ EXPORT_SYMBOL_GPL(qeth_do_send_packet); static int qeth_setadp_promisc_mode_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) { - struct qeth_ipa_cmd *cmd; + struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; struct qeth_ipacmd_setadpparms *setparms; QETH_CARD_TEXT(card, 4, "prmadpcb"); - cmd = (struct qeth_ipa_cmd *) data; setparms = &(cmd->data.setadapterparms); - - qeth_default_setadapterparms_cb(card, reply, (unsigned long)cmd); - if (cmd->hdr.return_code) { + if (qeth_setadpparms_inspect_rc(cmd)) { QETH_CARD_TEXT_(card, 4, "prmrc%x", cmd->hdr.return_code); setparms->data.mode = SET_PROMISC_MODE_OFF; } @@ -4286,18 +4265,18 @@ EXPORT_SYMBOL_GPL(qeth_get_stats); static int qeth_setadpparms_change_macaddr_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) { - struct qeth_ipa_cmd *cmd; + struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; QETH_CARD_TEXT(card, 4, "chgmaccb"); + if (qeth_setadpparms_inspect_rc(cmd)) + return 0; - cmd = (struct qeth_ipa_cmd *) data; if (!card->options.layer2 || !(card->info.mac_bits & QETH_LAYER2_MAC_READ)) { ether_addr_copy(card->dev->dev_addr, cmd->data.setadapterparms.data.change_addr.addr); card->info.mac_bits |= QETH_LAYER2_MAC_READ; } - qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd); return 0; } @@ -4328,13 +4307,15 @@ EXPORT_SYMBOL_GPL(qeth_setadpparms_change_macaddr); static int qeth_setadpparms_set_access_ctrl_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) { - struct qeth_ipa_cmd *cmd; + struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *) data; struct qeth_set_access_ctrl *access_ctrl_req; int fallback = *(int *)reply->param; QETH_CARD_TEXT(card, 4, "setaccb"); + if (cmd->hdr.return_code) + return 0; + qeth_setadpparms_inspect_rc(cmd); - cmd = (struct qeth_ipa_cmd *) data; access_ctrl_req = &cmd->data.setadapterparms.data.set_access_ctrl; QETH_DBF_TEXT_(SETUP, 2, "setaccb"); QETH_DBF_TEXT_(SETUP, 2, "%s", card->gdev->dev.kobj.name); @@ -4407,7 +4388,6 @@ static int qeth_setadpparms_set_access_ctrl_cb(struct qeth_card *card, card->options.isolation = card->options.prev_isolation; break; } - qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd); return 0; } @@ -4695,14 +4675,15 @@ out: static int qeth_setadpparms_query_oat_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) { - struct qeth_ipa_cmd *cmd; + struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *)data; struct qeth_qoat_priv *priv; char *resdata; int resdatalen; QETH_CARD_TEXT(card, 3, "qoatcb"); + if (qeth_setadpparms_inspect_rc(cmd)) + return 0; - cmd = (struct qeth_ipa_cmd *)data; priv = (struct qeth_qoat_priv *)reply->param; resdatalen = cmd->data.setadapterparms.hdr.cmdlength; resdata = (char *)data + 28; @@ -4796,21 +4777,18 @@ out: static int qeth_query_card_info_cb(struct qeth_card *card, struct qeth_reply *reply, unsigned long data) { - struct qeth_ipa_cmd *cmd; + struct carrier_info *carrier_info = (struct carrier_info *)reply->param; + struct qeth_ipa_cmd *cmd = (struct qeth_ipa_cmd *)data; struct qeth_query_card_info *card_info; - struct carrier_info *carrier_info; QETH_CARD_TEXT(card, 2, "qcrdincb"); - carrier_info = (struct carrier_info *)reply->param; - cmd = (struct qeth_ipa_cmd *)data; - card_info = &cmd->data.setadapterparms.data.card_info; - if (cmd->data.setadapterparms.hdr.return_code == 0) { - carrier_info->card_type = card_info->card_type; - carrier_info->port_mode = card_info->port_mode; - carrier_info->port_speed = card_info->port_speed; - } + if (qeth_setadpparms_inspect_rc(cmd)) + return 0; - qeth_default_setadapterparms_cb(card, reply, (unsigned long) cmd); + card_info = &cmd->data.setadapterparms.data.card_info; + carrier_info->card_type = card_info->card_type; + carrier_info->port_mode = card_info->port_mode; + carrier_info->port_speed = card_info->port_speed; return 0; } @@ -4857,7 +4835,7 @@ int qeth_vm_request_mac(struct qeth_card *card) goto out; } - ccw_device_get_id(CARD_DDEV(card), &id); + ccw_device_get_id(CARD_RDEV(card), &id); request->resp_buf_len = sizeof(*response); request->resp_version = DIAG26C_VERSION2; request->op_code = DIAG26C_GET_MAC; @@ -6563,10 +6541,14 @@ static int __init qeth_core_init(void) mutex_init(&qeth_mod_mutex); qeth_wq = create_singlethread_workqueue("qeth_wq"); + if (!qeth_wq) { + rc = -ENOMEM; + goto out_err; + } rc = qeth_register_dbf_views(); if (rc) - goto out_err; + goto dbf_err; qeth_core_root_dev = root_device_register("qeth"); rc = PTR_ERR_OR_ZERO(qeth_core_root_dev); if (rc) @@ -6603,6 +6585,8 @@ slab_err: root_device_unregister(qeth_core_root_dev); register_err: qeth_unregister_dbf_views(); +dbf_err: + destroy_workqueue(qeth_wq); out_err: pr_err("Initializing the qeth device driver failed\n"); return rc; diff --git a/drivers/s390/net/qeth_core_mpc.h b/drivers/s390/net/qeth_core_mpc.h index 619f897b4bb0..f4d1ec0b8f5a 100644 --- a/drivers/s390/net/qeth_core_mpc.h +++ b/drivers/s390/net/qeth_core_mpc.h @@ -35,6 +35,18 @@ extern unsigned char IPA_PDU_HEADER[]; #define QETH_HALT_CHANNEL_PARM -11 #define QETH_RCD_PARM -12 +static inline bool qeth_intparm_is_iob(unsigned long intparm) +{ + switch (intparm) { + case QETH_CLEAR_CHANNEL_PARM: + case QETH_HALT_CHANNEL_PARM: + case QETH_RCD_PARM: + case 0: + return false; + } + return true; +} + /*****************************************************************************/ /* IP Assist related definitions */ /*****************************************************************************/ diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 2ad6f12f3d49..b8079f2a65b3 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -121,13 +121,10 @@ static int qeth_l2_send_setmac(struct qeth_card *card, __u8 *mac) QETH_CARD_TEXT(card, 2, "L2Setmac"); rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_SETVMAC); if (rc == 0) { - card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; - ether_addr_copy(card->dev->dev_addr, mac); dev_info(&card->gdev->dev, - "MAC address %pM successfully registered on device %s\n", - card->dev->dev_addr, card->dev->name); + "MAC address %pM successfully registered on device %s\n", + mac, card->dev->name); } else { - card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; switch (rc) { case -EEXIST: dev_warn(&card->gdev->dev, @@ -142,19 +139,6 @@ static int qeth_l2_send_setmac(struct qeth_card *card, __u8 *mac) return rc; } -static int qeth_l2_send_delmac(struct qeth_card *card, __u8 *mac) -{ - int rc; - - QETH_CARD_TEXT(card, 2, "L2Delmac"); - if (!(card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)) - return 0; - rc = qeth_l2_send_setdelmac(card, mac, IPA_CMD_DELVMAC); - if (rc == 0) - card->info.mac_bits &= ~QETH_LAYER2_MAC_REGISTERED; - return rc; -} - static int qeth_l2_write_mac(struct qeth_card *card, u8 *mac) { enum qeth_ipa_cmds cmd = is_multicast_ether_addr_64bits(mac) ? @@ -519,6 +503,7 @@ static int qeth_l2_set_mac_address(struct net_device *dev, void *p) { struct sockaddr *addr = p; struct qeth_card *card = dev->ml_priv; + u8 old_addr[ETH_ALEN]; int rc = 0; QETH_CARD_TEXT(card, 3, "setmac"); @@ -530,14 +515,35 @@ static int qeth_l2_set_mac_address(struct net_device *dev, void *p) return -EOPNOTSUPP; } QETH_CARD_HEX(card, 3, addr->sa_data, ETH_ALEN); + if (!is_valid_ether_addr(addr->sa_data)) + return -EADDRNOTAVAIL; + if (qeth_wait_for_threads(card, QETH_RECOVER_THREAD)) { QETH_CARD_TEXT(card, 3, "setmcREC"); return -ERESTARTSYS; } - rc = qeth_l2_send_delmac(card, &card->dev->dev_addr[0]); - if (!rc || (rc == -ENOENT)) - rc = qeth_l2_send_setmac(card, addr->sa_data); - return rc ? -EINVAL : 0; + + if (!qeth_card_hw_is_reachable(card)) { + ether_addr_copy(dev->dev_addr, addr->sa_data); + return 0; + } + + /* don't register the same address twice */ + if (ether_addr_equal_64bits(dev->dev_addr, addr->sa_data) && + (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED)) + return 0; + + /* add the new address, switch over, drop the old */ + rc = qeth_l2_send_setmac(card, addr->sa_data); + if (rc) + return rc; + ether_addr_copy(old_addr, dev->dev_addr); + ether_addr_copy(dev->dev_addr, addr->sa_data); + + if (card->info.mac_bits & QETH_LAYER2_MAC_REGISTERED) + qeth_l2_remove_mac(card, old_addr); + card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; + return 0; } static void qeth_promisc_to_bridge(struct qeth_card *card) @@ -1067,8 +1073,9 @@ static int __qeth_l2_set_online(struct ccwgroup_device *gdev, int recovery_mode) goto out_remove; } - if (card->info.type != QETH_CARD_TYPE_OSN) - qeth_l2_send_setmac(card, &card->dev->dev_addr[0]); + if (card->info.type != QETH_CARD_TYPE_OSN && + !qeth_l2_send_setmac(card, card->dev->dev_addr)) + card->info.mac_bits |= QETH_LAYER2_MAC_REGISTERED; if (qeth_is_diagass_supported(card, QETH_DIAGS_CMD_TRAP)) { if (card->info.hwtrap && @@ -1338,8 +1345,8 @@ static int qeth_osn_send_control_data(struct qeth_card *card, int len, qeth_prepare_control_data(card, len, iob); QETH_CARD_TEXT(card, 6, "osnoirqp"); spin_lock_irqsave(get_ccwdev_lock(card->write.ccwdev), flags); - rc = ccw_device_start(card->write.ccwdev, &card->write.ccw, - (addr_t) iob, 0, 0); + rc = ccw_device_start_timeout(CARD_WDEV(card), &card->write.ccw, + (addr_t) iob, 0, 0, QETH_IPA_TIMEOUT); spin_unlock_irqrestore(get_ccwdev_lock(card->write.ccwdev), flags); if (rc) { QETH_DBF_MESSAGE(2, "qeth_osn_send_control_data: " diff --git a/drivers/scsi/fnic/fnic_trace.c b/drivers/scsi/fnic/fnic_trace.c index abddde11982b..98597b59c12a 100644 --- a/drivers/scsi/fnic/fnic_trace.c +++ b/drivers/scsi/fnic/fnic_trace.c @@ -296,7 +296,7 @@ int fnic_get_stats_data(struct stats_debug_info *debug, "Number of Abort FW Timeouts: %lld\n" "Number of Abort IO NOT Found: %lld\n" - "Abord issued times: \n" + "Abort issued times: \n" " < 6 sec : %lld\n" " 6 sec - 20 sec : %lld\n" " 20 sec - 30 sec : %lld\n" diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index ce97cde3b41c..f4d988dd1e9d 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -1124,12 +1124,12 @@ megasas_ioc_init_fusion(struct megasas_instance *instance) goto fail_fw_init; } - ret = 0; + return 0; fail_fw_init: dev_err(&instance->pdev->dev, - "Init cmd return status %s for SCSI host %d\n", - ret ? "FAILED" : "SUCCESS", instance->host->host_no); + "Init cmd return status FAILED for SCSI host %d\n", + instance->host->host_no); return ret; } diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 9ef5e3b810f6..656c98e116a9 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -234,11 +234,13 @@ static const char *sdebug_version_date = "20180128"; #define F_INV_OP 0x200 #define F_FAKE_RW 0x400 #define F_M_ACCESS 0x800 /* media access */ -#define F_LONG_DELAY 0x1000 +#define F_SSU_DELAY 0x1000 +#define F_SYNC_DELAY 0x2000 #define FF_RESPOND (F_RL_WLUN_OK | F_SKIP_UA | F_DELAY_OVERR) #define FF_MEDIA_IO (F_M_ACCESS | F_FAKE_RW) #define FF_SA (F_SA_HIGH | F_SA_LOW) +#define F_LONG_DELAY (F_SSU_DELAY | F_SYNC_DELAY) #define SDEBUG_MAX_PARTS 4 @@ -510,7 +512,7 @@ static const struct opcode_info_t release_iarr[] = { }; static const struct opcode_info_t sync_cache_iarr[] = { - {0, 0x91, 0, F_LONG_DELAY | F_M_ACCESS, resp_sync_cache, NULL, + {0, 0x91, 0, F_SYNC_DELAY | F_M_ACCESS, resp_sync_cache, NULL, {16, 0x6, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x3f, 0xc7} }, /* SYNC_CACHE (16) */ }; @@ -553,7 +555,7 @@ static const struct opcode_info_t opcode_info_arr[SDEB_I_LAST_ELEMENT + 1] = { resp_write_dt0, write_iarr, /* WRITE(16) */ {16, 0xfa, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc7} }, - {0, 0x1b, 0, F_LONG_DELAY, resp_start_stop, NULL,/* START STOP UNIT */ + {0, 0x1b, 0, F_SSU_DELAY, resp_start_stop, NULL,/* START STOP UNIT */ {6, 0x1, 0, 0xf, 0xf7, 0xc7, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} }, {ARRAY_SIZE(sa_in_16_iarr), 0x9e, 0x10, F_SA_LOW | F_D_IN, resp_readcap16, sa_in_16_iarr, /* SA_IN(16), READ CAPACITY(16) */ @@ -606,7 +608,7 @@ static const struct opcode_info_t opcode_info_arr[SDEB_I_LAST_ELEMENT + 1] = { resp_write_same_10, write_same_iarr, /* WRITE SAME(10) */ {10, 0xff, 0xff, 0xff, 0xff, 0xff, 0x3f, 0xff, 0xff, 0xc7, 0, 0, 0, 0, 0, 0} }, - {ARRAY_SIZE(sync_cache_iarr), 0x35, 0, F_LONG_DELAY | F_M_ACCESS, + {ARRAY_SIZE(sync_cache_iarr), 0x35, 0, F_SYNC_DELAY | F_M_ACCESS, resp_sync_cache, sync_cache_iarr, {10, 0x7, 0xff, 0xff, 0xff, 0xff, 0x3f, 0xff, 0xff, 0xc7, 0, 0, 0, 0, 0, 0} }, /* SYNC_CACHE (10) */ @@ -667,6 +669,7 @@ static bool sdebug_strict = DEF_STRICT; static bool sdebug_any_injecting_opt; static bool sdebug_verbose; static bool have_dif_prot; +static bool write_since_sync; static bool sdebug_statistics = DEF_STATISTICS; static unsigned int sdebug_store_sectors; @@ -1607,6 +1610,7 @@ static int resp_start_stop(struct scsi_cmnd *scp, { unsigned char *cmd = scp->cmnd; int power_cond, stop; + bool changing; power_cond = (cmd[4] & 0xf0) >> 4; if (power_cond) { @@ -1614,8 +1618,12 @@ static int resp_start_stop(struct scsi_cmnd *scp, return check_condition_result; } stop = !(cmd[4] & 1); + changing = atomic_read(&devip->stopped) == !stop; atomic_xchg(&devip->stopped, stop); - return (cmd[1] & 0x1) ? SDEG_RES_IMMED_MASK : 0; /* check IMMED bit */ + if (!changing || cmd[1] & 0x1) /* state unchanged or IMMED set */ + return SDEG_RES_IMMED_MASK; + else + return 0; } static sector_t get_sdebug_capacity(void) @@ -2473,6 +2481,7 @@ static int do_device_access(struct scsi_cmnd *scmd, u32 sg_skip, u64 lba, if (do_write) { sdb = scsi_out(scmd); dir = DMA_TO_DEVICE; + write_since_sync = true; } else { sdb = scsi_in(scmd); dir = DMA_FROM_DEVICE; @@ -3583,6 +3592,7 @@ static int resp_get_lba_status(struct scsi_cmnd *scp, static int resp_sync_cache(struct scsi_cmnd *scp, struct sdebug_dev_info *devip) { + int res = 0; u64 lba; u32 num_blocks; u8 *cmd = scp->cmnd; @@ -3598,7 +3608,11 @@ static int resp_sync_cache(struct scsi_cmnd *scp, mk_sense_buffer(scp, ILLEGAL_REQUEST, LBA_OUT_OF_RANGE, 0); return check_condition_result; } - return (cmd[1] & 0x2) ? SDEG_RES_IMMED_MASK : 0; /* check IMMED bit */ + if (!write_since_sync || cmd[1] & 0x2) + res = SDEG_RES_IMMED_MASK; + else /* delay if write_since_sync and IMMED clear */ + write_since_sync = false; + return res; } #define RL_BUCKET_ELEMS 8 @@ -5777,13 +5791,14 @@ fini: return schedule_resp(scp, devip, errsts, pfp, 0, 0); else if ((sdebug_jdelay || sdebug_ndelay) && (flags & F_LONG_DELAY)) { /* - * If any delay is active, want F_LONG_DELAY to be at least 1 + * If any delay is active, for F_SSU_DELAY want at least 1 * second and if sdebug_jdelay>0 want a long delay of that - * many seconds. + * many seconds; for F_SYNC_DELAY want 1/20 of that. */ int jdelay = (sdebug_jdelay < 2) ? 1 : sdebug_jdelay; + int denom = (flags & F_SYNC_DELAY) ? 20 : 1; - jdelay = mult_frac(USER_HZ * jdelay, HZ, USER_HZ); + jdelay = mult_frac(USER_HZ * jdelay, HZ, denom * USER_HZ); return schedule_resp(scp, devip, errsts, pfp, jdelay, 0); } else return schedule_resp(scp, devip, errsts, pfp, sdebug_jdelay, diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index f4b52b44b966..65f6c94f2e9b 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -2322,6 +2322,12 @@ iscsi_multicast_skb(struct sk_buff *skb, uint32_t group, gfp_t gfp) return nlmsg_multicast(nls, skb, 0, group, gfp); } +static int +iscsi_unicast_skb(struct sk_buff *skb, u32 portid) +{ + return nlmsg_unicast(nls, skb, portid); +} + int iscsi_recv_pdu(struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr, char *data, uint32_t data_size) { @@ -2524,14 +2530,11 @@ void iscsi_ping_comp_event(uint32_t host_no, struct iscsi_transport *transport, EXPORT_SYMBOL_GPL(iscsi_ping_comp_event); static int -iscsi_if_send_reply(uint32_t group, int seq, int type, int done, int multi, - void *payload, int size) +iscsi_if_send_reply(u32 portid, int type, void *payload, int size) { struct sk_buff *skb; struct nlmsghdr *nlh; int len = nlmsg_total_size(size); - int flags = multi ? NLM_F_MULTI : 0; - int t = done ? NLMSG_DONE : type; skb = alloc_skb(len, GFP_ATOMIC); if (!skb) { @@ -2539,10 +2542,9 @@ iscsi_if_send_reply(uint32_t group, int seq, int type, int done, int multi, return -ENOMEM; } - nlh = __nlmsg_put(skb, 0, 0, t, (len - sizeof(*nlh)), 0); - nlh->nlmsg_flags = flags; + nlh = __nlmsg_put(skb, 0, 0, type, (len - sizeof(*nlh)), 0); memcpy(nlmsg_data(nlh), payload, size); - return iscsi_multicast_skb(skb, group, GFP_ATOMIC); + return iscsi_unicast_skb(skb, portid); } static int @@ -3470,6 +3472,7 @@ static int iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, uint32_t *group) { int err = 0; + u32 portid; struct iscsi_uevent *ev = nlmsg_data(nlh); struct iscsi_transport *transport = NULL; struct iscsi_internal *priv; @@ -3490,10 +3493,12 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, uint32_t *group) if (!try_module_get(transport->owner)) return -EINVAL; + portid = NETLINK_CB(skb).portid; + switch (nlh->nlmsg_type) { case ISCSI_UEVENT_CREATE_SESSION: err = iscsi_if_create_session(priv, ep, ev, - NETLINK_CB(skb).portid, + portid, ev->u.c_session.initial_cmdsn, ev->u.c_session.cmds_max, ev->u.c_session.queue_depth); @@ -3506,7 +3511,7 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, uint32_t *group) } err = iscsi_if_create_session(priv, ep, ev, - NETLINK_CB(skb).portid, + portid, ev->u.c_bound_session.initial_cmdsn, ev->u.c_bound_session.cmds_max, ev->u.c_bound_session.queue_depth); @@ -3664,6 +3669,8 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, uint32_t *group) static void iscsi_if_rx(struct sk_buff *skb) { + u32 portid = NETLINK_CB(skb).portid; + mutex_lock(&rx_queue_mutex); while (skb->len >= NLMSG_HDRLEN) { int err; @@ -3699,8 +3706,8 @@ iscsi_if_rx(struct sk_buff *skb) break; if (ev->type == ISCSI_UEVENT_GET_CHAP && !err) break; - err = iscsi_if_send_reply(group, nlh->nlmsg_seq, - nlh->nlmsg_type, 0, 0, ev, sizeof(*ev)); + err = iscsi_if_send_reply(portid, nlh->nlmsg_type, + ev, sizeof(*ev)); } while (err < 0 && err != -ECONNREFUSED && err != -ESRCH); skb_pull(skb, rlen); } diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index a6201e696ab9..9421d9877730 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -2121,6 +2121,8 @@ sd_spinup_disk(struct scsi_disk *sdkp) break; /* standby */ if (sshdr.asc == 4 && sshdr.ascq == 0xc) break; /* unavailable */ + if (sshdr.asc == 4 && sshdr.ascq == 0x1b) + break; /* sanitize in progress */ /* * Issue command to spin up drive when not ready */ diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c index 41df75eea57b..210407cd2341 100644 --- a/drivers/scsi/sd_zbc.c +++ b/drivers/scsi/sd_zbc.c @@ -400,8 +400,10 @@ static int sd_zbc_check_capacity(struct scsi_disk *sdkp, unsigned char *buf) * * Check that all zones of the device are equal. The last zone can however * be smaller. The zone size must also be a power of two number of LBAs. + * + * Returns the zone size in bytes upon success or an error code upon failure. */ -static int sd_zbc_check_zone_size(struct scsi_disk *sdkp) +static s64 sd_zbc_check_zone_size(struct scsi_disk *sdkp) { u64 zone_blocks = 0; sector_t block = 0; @@ -412,8 +414,6 @@ static int sd_zbc_check_zone_size(struct scsi_disk *sdkp) int ret; u8 same; - sdkp->zone_blocks = 0; - /* Get a buffer */ buf = kmalloc(SD_ZBC_BUF_SIZE, GFP_KERNEL); if (!buf) @@ -445,16 +445,17 @@ static int sd_zbc_check_zone_size(struct scsi_disk *sdkp) /* Parse zone descriptors */ while (rec < buf + buf_len) { - zone_blocks = get_unaligned_be64(&rec[8]); - if (sdkp->zone_blocks == 0) { - sdkp->zone_blocks = zone_blocks; - } else if (zone_blocks != sdkp->zone_blocks && - (block + zone_blocks < sdkp->capacity - || zone_blocks > sdkp->zone_blocks)) { - zone_blocks = 0; + u64 this_zone_blocks = get_unaligned_be64(&rec[8]); + + if (zone_blocks == 0) { + zone_blocks = this_zone_blocks; + } else if (this_zone_blocks != zone_blocks && + (block + this_zone_blocks < sdkp->capacity + || this_zone_blocks > zone_blocks)) { + this_zone_blocks = 0; goto out; } - block += zone_blocks; + block += this_zone_blocks; rec += 64; } @@ -467,8 +468,6 @@ static int sd_zbc_check_zone_size(struct scsi_disk *sdkp) } while (block < sdkp->capacity); - zone_blocks = sdkp->zone_blocks; - out: if (!zone_blocks) { if (sdkp->first_scan) @@ -488,8 +487,7 @@ out: "Zone size too large\n"); ret = -ENODEV; } else { - sdkp->zone_blocks = zone_blocks; - sdkp->zone_shift = ilog2(zone_blocks); + ret = zone_blocks; } out_free: @@ -500,15 +498,14 @@ out_free: /** * sd_zbc_alloc_zone_bitmap - Allocate a zone bitmap (one bit per zone). - * @sdkp: The disk of the bitmap + * @nr_zones: Number of zones to allocate space for. + * @numa_node: NUMA node to allocate the memory from. */ -static inline unsigned long *sd_zbc_alloc_zone_bitmap(struct scsi_disk *sdkp) +static inline unsigned long * +sd_zbc_alloc_zone_bitmap(u32 nr_zones, int numa_node) { - struct request_queue *q = sdkp->disk->queue; - - return kzalloc_node(BITS_TO_LONGS(sdkp->nr_zones) - * sizeof(unsigned long), - GFP_KERNEL, q->node); + return kzalloc_node(BITS_TO_LONGS(nr_zones) * sizeof(unsigned long), + GFP_KERNEL, numa_node); } /** @@ -516,6 +513,7 @@ static inline unsigned long *sd_zbc_alloc_zone_bitmap(struct scsi_disk *sdkp) * @sdkp: disk used * @buf: report reply buffer * @buflen: length of @buf + * @zone_shift: logarithm base 2 of the number of blocks in a zone * @seq_zones_bitmap: bitmap of sequential zones to set * * Parse reported zone descriptors in @buf to identify sequential zones and @@ -525,7 +523,7 @@ static inline unsigned long *sd_zbc_alloc_zone_bitmap(struct scsi_disk *sdkp) * Return the LBA after the last zone reported. */ static sector_t sd_zbc_get_seq_zones(struct scsi_disk *sdkp, unsigned char *buf, - unsigned int buflen, + unsigned int buflen, u32 zone_shift, unsigned long *seq_zones_bitmap) { sector_t lba, next_lba = sdkp->capacity; @@ -544,7 +542,7 @@ static sector_t sd_zbc_get_seq_zones(struct scsi_disk *sdkp, unsigned char *buf, if (type != ZBC_ZONE_TYPE_CONV && cond != ZBC_ZONE_COND_READONLY && cond != ZBC_ZONE_COND_OFFLINE) - set_bit(lba >> sdkp->zone_shift, seq_zones_bitmap); + set_bit(lba >> zone_shift, seq_zones_bitmap); next_lba = lba + get_unaligned_be64(&rec[8]); rec += 64; } @@ -553,12 +551,16 @@ static sector_t sd_zbc_get_seq_zones(struct scsi_disk *sdkp, unsigned char *buf, } /** - * sd_zbc_setup_seq_zones_bitmap - Initialize the disk seq zone bitmap. + * sd_zbc_setup_seq_zones_bitmap - Initialize a seq zone bitmap. * @sdkp: target disk + * @zone_shift: logarithm base 2 of the number of blocks in a zone + * @nr_zones: number of zones to set up a seq zone bitmap for * * Allocate a zone bitmap and initialize it by identifying sequential zones. */ -static int sd_zbc_setup_seq_zones_bitmap(struct scsi_disk *sdkp) +static unsigned long * +sd_zbc_setup_seq_zones_bitmap(struct scsi_disk *sdkp, u32 zone_shift, + u32 nr_zones) { struct request_queue *q = sdkp->disk->queue; unsigned long *seq_zones_bitmap; @@ -566,9 +568,9 @@ static int sd_zbc_setup_seq_zones_bitmap(struct scsi_disk *sdkp) unsigned char *buf; int ret = -ENOMEM; - seq_zones_bitmap = sd_zbc_alloc_zone_bitmap(sdkp); + seq_zones_bitmap = sd_zbc_alloc_zone_bitmap(nr_zones, q->node); if (!seq_zones_bitmap) - return -ENOMEM; + return ERR_PTR(-ENOMEM); buf = kmalloc(SD_ZBC_BUF_SIZE, GFP_KERNEL); if (!buf) @@ -579,7 +581,7 @@ static int sd_zbc_setup_seq_zones_bitmap(struct scsi_disk *sdkp) if (ret) goto out; lba = sd_zbc_get_seq_zones(sdkp, buf, SD_ZBC_BUF_SIZE, - seq_zones_bitmap); + zone_shift, seq_zones_bitmap); } if (lba != sdkp->capacity) { @@ -591,12 +593,9 @@ out: kfree(buf); if (ret) { kfree(seq_zones_bitmap); - return ret; + return ERR_PTR(ret); } - - q->seq_zones_bitmap = seq_zones_bitmap; - - return 0; + return seq_zones_bitmap; } static void sd_zbc_cleanup(struct scsi_disk *sdkp) @@ -612,44 +611,64 @@ static void sd_zbc_cleanup(struct scsi_disk *sdkp) q->nr_zones = 0; } -static int sd_zbc_setup(struct scsi_disk *sdkp) +static int sd_zbc_setup(struct scsi_disk *sdkp, u32 zone_blocks) { struct request_queue *q = sdkp->disk->queue; + u32 zone_shift = ilog2(zone_blocks); + u32 nr_zones; int ret; - /* READ16/WRITE16 is mandatory for ZBC disks */ - sdkp->device->use_16_for_rw = 1; - sdkp->device->use_10_for_rw = 0; - /* chunk_sectors indicates the zone size */ - blk_queue_chunk_sectors(sdkp->disk->queue, - logical_to_sectors(sdkp->device, sdkp->zone_blocks)); - sdkp->nr_zones = - round_up(sdkp->capacity, sdkp->zone_blocks) >> sdkp->zone_shift; + blk_queue_chunk_sectors(q, + logical_to_sectors(sdkp->device, zone_blocks)); + nr_zones = round_up(sdkp->capacity, zone_blocks) >> zone_shift; /* * Initialize the device request queue information if the number * of zones changed. */ - if (sdkp->nr_zones != q->nr_zones) { - - sd_zbc_cleanup(sdkp); - - q->nr_zones = sdkp->nr_zones; - if (sdkp->nr_zones) { - q->seq_zones_wlock = sd_zbc_alloc_zone_bitmap(sdkp); - if (!q->seq_zones_wlock) { + if (nr_zones != sdkp->nr_zones || nr_zones != q->nr_zones) { + unsigned long *seq_zones_wlock = NULL, *seq_zones_bitmap = NULL; + size_t zone_bitmap_size; + + if (nr_zones) { + seq_zones_wlock = sd_zbc_alloc_zone_bitmap(nr_zones, + q->node); + if (!seq_zones_wlock) { ret = -ENOMEM; goto err; } - ret = sd_zbc_setup_seq_zones_bitmap(sdkp); - if (ret) { - sd_zbc_cleanup(sdkp); + seq_zones_bitmap = sd_zbc_setup_seq_zones_bitmap(sdkp, + zone_shift, nr_zones); + if (IS_ERR(seq_zones_bitmap)) { + ret = PTR_ERR(seq_zones_bitmap); + kfree(seq_zones_wlock); goto err; } } - + zone_bitmap_size = BITS_TO_LONGS(nr_zones) * + sizeof(unsigned long); + blk_mq_freeze_queue(q); + if (q->nr_zones != nr_zones) { + /* READ16/WRITE16 is mandatory for ZBC disks */ + sdkp->device->use_16_for_rw = 1; + sdkp->device->use_10_for_rw = 0; + + sdkp->zone_blocks = zone_blocks; + sdkp->zone_shift = zone_shift; + sdkp->nr_zones = nr_zones; + q->nr_zones = nr_zones; + swap(q->seq_zones_wlock, seq_zones_wlock); + swap(q->seq_zones_bitmap, seq_zones_bitmap); + } else if (memcmp(q->seq_zones_bitmap, seq_zones_bitmap, + zone_bitmap_size) != 0) { + memcpy(q->seq_zones_bitmap, seq_zones_bitmap, + zone_bitmap_size); + } + blk_mq_unfreeze_queue(q); + kfree(seq_zones_wlock); + kfree(seq_zones_bitmap); } return 0; @@ -661,6 +680,7 @@ err: int sd_zbc_read_zones(struct scsi_disk *sdkp, unsigned char *buf) { + int64_t zone_blocks; int ret; if (!sd_is_zoned(sdkp)) @@ -697,12 +717,16 @@ int sd_zbc_read_zones(struct scsi_disk *sdkp, unsigned char *buf) * Check zone size: only devices with a constant zone size (except * an eventual last runt zone) that is a power of 2 are supported. */ - ret = sd_zbc_check_zone_size(sdkp); - if (ret) + zone_blocks = sd_zbc_check_zone_size(sdkp); + ret = -EFBIG; + if (zone_blocks != (u32)zone_blocks) + goto err; + ret = zone_blocks; + if (ret < 0) goto err; /* The drive satisfies the kernel restrictions: set it up */ - ret = sd_zbc_setup(sdkp); + ret = sd_zbc_setup(sdkp, zone_blocks); if (ret) goto err; diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index c5b1bf1cadcb..00e79057f870 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -276,6 +276,35 @@ static inline void ufshcd_remove_non_printable(char *val) *val = ' '; } +static void ufshcd_add_cmd_upiu_trace(struct ufs_hba *hba, unsigned int tag, + const char *str) +{ + struct utp_upiu_req *rq = hba->lrb[tag].ucd_req_ptr; + + trace_ufshcd_upiu(dev_name(hba->dev), str, &rq->header, &rq->sc.cdb); +} + +static void ufshcd_add_query_upiu_trace(struct ufs_hba *hba, unsigned int tag, + const char *str) +{ + struct utp_upiu_req *rq = hba->lrb[tag].ucd_req_ptr; + + trace_ufshcd_upiu(dev_name(hba->dev), str, &rq->header, &rq->qr); +} + +static void ufshcd_add_tm_upiu_trace(struct ufs_hba *hba, unsigned int tag, + const char *str) +{ + struct utp_task_req_desc *descp; + struct utp_upiu_task_req *task_req; + int off = (int)tag - hba->nutrs; + + descp = &hba->utmrdl_base_addr[off]; + task_req = (struct utp_upiu_task_req *)descp->task_req_upiu; + trace_ufshcd_upiu(dev_name(hba->dev), str, &task_req->header, + &task_req->input_param1); +} + static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag, const char *str) { @@ -285,6 +314,9 @@ static void ufshcd_add_command_trace(struct ufs_hba *hba, struct ufshcd_lrb *lrbp; int transfer_len = -1; + /* trace UPIU also */ + ufshcd_add_cmd_upiu_trace(hba, tag, str); + if (!trace_ufshcd_command_enabled()) return; @@ -2550,6 +2582,7 @@ static int ufshcd_exec_dev_cmd(struct ufs_hba *hba, hba->dev_cmd.complete = &wait; + ufshcd_add_query_upiu_trace(hba, tag, "query_send"); /* Make sure descriptors are ready before ringing the doorbell */ wmb(); spin_lock_irqsave(hba->host->host_lock, flags); @@ -2559,6 +2592,9 @@ static int ufshcd_exec_dev_cmd(struct ufs_hba *hba, err = ufshcd_wait_for_dev_cmd(hba, lrbp, timeout); + ufshcd_add_query_upiu_trace(hba, tag, + err ? "query_complete_err" : "query_complete"); + out_put_tag: ufshcd_put_dev_cmd_tag(hba, tag); wake_up(&hba->dev_cmd.tag_wq); @@ -5443,11 +5479,14 @@ static int ufshcd_issue_tm_cmd(struct ufs_hba *hba, int lun_id, int task_id, spin_unlock_irqrestore(host->host_lock, flags); + ufshcd_add_tm_upiu_trace(hba, task_tag, "tm_send"); + /* wait until the task management command is completed */ err = wait_event_timeout(hba->tm_wq, test_bit(free_slot, &hba->tm_condition), msecs_to_jiffies(TM_CMD_TIMEOUT)); if (!err) { + ufshcd_add_tm_upiu_trace(hba, task_tag, "tm_complete_err"); dev_err(hba->dev, "%s: task management cmd 0x%.2x timed-out\n", __func__, tm_function); if (ufshcd_clear_tm_cmd(hba, free_slot)) @@ -5456,6 +5495,7 @@ static int ufshcd_issue_tm_cmd(struct ufs_hba *hba, int lun_id, int task_id, err = -ETIMEDOUT; } else { err = ufshcd_task_req_compl(hba, free_slot, tm_response); + ufshcd_add_tm_upiu_trace(hba, task_tag, "tm_complete"); } clear_bit(free_slot, &hba->tm_condition); diff --git a/drivers/slimbus/messaging.c b/drivers/slimbus/messaging.c index 884419c37e84..457ea1f8db30 100644 --- a/drivers/slimbus/messaging.c +++ b/drivers/slimbus/messaging.c @@ -183,7 +183,7 @@ static u16 slim_slicesize(int code) 0, 1, 2, 3, 3, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7 }; - clamp(code, 1, (int)ARRAY_SIZE(sizetocode)); + code = clamp(code, 1, (int)ARRAY_SIZE(sizetocode)); return sizetocode[code - 1]; } diff --git a/drivers/soc/bcm/raspberrypi-power.c b/drivers/soc/bcm/raspberrypi-power.c index fe96a8b956fb..f7ed1187518b 100644 --- a/drivers/soc/bcm/raspberrypi-power.c +++ b/drivers/soc/bcm/raspberrypi-power.c @@ -45,7 +45,7 @@ struct rpi_power_domains { struct rpi_power_domain_packet { u32 domain; u32 on; -} __packet; +}; /* * Asks the firmware to enable or disable power on a specific power diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c index 6b5300ca44a6..885f5fcead77 100644 --- a/drivers/staging/wilc1000/host_interface.c +++ b/drivers/staging/wilc1000/host_interface.c @@ -1390,7 +1390,7 @@ static inline void host_int_parse_assoc_resp_info(struct wilc_vif *vif, } if (hif_drv->usr_conn_req.ies) { - conn_info.req_ies = kmemdup(conn_info.req_ies, + conn_info.req_ies = kmemdup(hif_drv->usr_conn_req.ies, hif_drv->usr_conn_req.ies_len, GFP_KERNEL); if (conn_info.req_ies) diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index 0d99b242e82e..6cb933ecc084 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -890,6 +890,7 @@ pscsi_map_sg(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, bytes = min(bytes, data_len); if (!bio) { +new_bio: nr_vecs = min_t(int, BIO_MAX_PAGES, nr_pages); nr_pages -= nr_vecs; /* @@ -931,6 +932,7 @@ pscsi_map_sg(struct se_cmd *cmd, struct scatterlist *sgl, u32 sgl_nents, * be allocated with pscsi_get_bio() above. */ bio = NULL; + goto new_bio; } data_len -= bytes; diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c index 3b3e1f6632d7..1dbe27c9946c 100644 --- a/drivers/tty/n_gsm.c +++ b/drivers/tty/n_gsm.c @@ -121,6 +121,9 @@ struct gsm_dlci { struct mutex mutex; /* Link layer */ + int mode; +#define DLCI_MODE_ABM 0 /* Normal Asynchronous Balanced Mode */ +#define DLCI_MODE_ADM 1 /* Asynchronous Disconnected Mode */ spinlock_t lock; /* Protects the internal state */ struct timer_list t1; /* Retransmit timer for SABM and UA */ int retries; @@ -1364,7 +1367,13 @@ retry: ctrl->data = data; ctrl->len = clen; gsm->pending_cmd = ctrl; - gsm->cretries = gsm->n2; + + /* If DLCI0 is in ADM mode skip retries, it won't respond */ + if (gsm->dlci[0]->mode == DLCI_MODE_ADM) + gsm->cretries = 1; + else + gsm->cretries = gsm->n2; + mod_timer(&gsm->t2_timer, jiffies + gsm->t2 * HZ / 100); gsm_control_transmit(gsm, ctrl); spin_unlock_irqrestore(&gsm->control_lock, flags); @@ -1472,6 +1481,7 @@ static void gsm_dlci_t1(struct timer_list *t) if (debug & 8) pr_info("DLCI %d opening in ADM mode.\n", dlci->addr); + dlci->mode = DLCI_MODE_ADM; gsm_dlci_open(dlci); } else { gsm_dlci_close(dlci); @@ -2861,11 +2871,22 @@ static int gsmtty_modem_update(struct gsm_dlci *dlci, u8 brk) static int gsm_carrier_raised(struct tty_port *port) { struct gsm_dlci *dlci = container_of(port, struct gsm_dlci, port); + struct gsm_mux *gsm = dlci->gsm; + /* Not yet open so no carrier info */ if (dlci->state != DLCI_OPEN) return 0; if (debug & 2) return 1; + + /* + * Basic mode with control channel in ADM mode may not respond + * to CMD_MSC at all and modem_rx is empty. + */ + if (gsm->encoding == 0 && gsm->dlci[0]->mode == DLCI_MODE_ADM && + !dlci->modem_rx) + return 1; + return dlci->modem_rx & TIOCM_CD; } diff --git a/drivers/tty/serial/earlycon.c b/drivers/tty/serial/earlycon.c index a24278380fec..22683393a0f2 100644 --- a/drivers/tty/serial/earlycon.c +++ b/drivers/tty/serial/earlycon.c @@ -169,7 +169,7 @@ static int __init register_earlycon(char *buf, const struct earlycon_id *match) */ int __init setup_earlycon(char *buf) { - const struct earlycon_id *match; + const struct earlycon_id **p_match; if (!buf || !buf[0]) return -EINVAL; @@ -177,7 +177,9 @@ int __init setup_earlycon(char *buf) if (early_con.flags & CON_ENABLED) return -EALREADY; - for (match = __earlycon_table; match < __earlycon_table_end; match++) { + for (p_match = __earlycon_table; p_match < __earlycon_table_end; + p_match++) { + const struct earlycon_id *match = *p_match; size_t len = strlen(match->name); if (strncmp(buf, match->name, len)) diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 91f3a1a5cb7f..c2fc6bef7a6f 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -316,7 +316,7 @@ static u32 imx_uart_readl(struct imx_port *sport, u32 offset) * differ from the value that was last written. As it only * clears after being set, reread conditionally. */ - if (sport->ucr2 & UCR2_SRST) + if (!(sport->ucr2 & UCR2_SRST)) sport->ucr2 = readl(sport->port.membase + offset); return sport->ucr2; break; @@ -1833,6 +1833,11 @@ static int imx_uart_rs485_config(struct uart_port *port, rs485conf->flags &= ~SER_RS485_ENABLED; if (rs485conf->flags & SER_RS485_ENABLED) { + /* Enable receiver if low-active RTS signal is requested */ + if (sport->have_rtscts && !sport->have_rtsgpio && + !(rs485conf->flags & SER_RS485_RTS_ON_SEND)) + rs485conf->flags |= SER_RS485_RX_DURING_TX; + /* disable transmitter */ ucr2 = imx_uart_readl(sport, UCR2); if (rs485conf->flags & SER_RS485_RTS_AFTER_SEND) @@ -2265,6 +2270,18 @@ static int imx_uart_probe(struct platform_device *pdev) (!sport->have_rtscts && !sport->have_rtsgpio)) dev_err(&pdev->dev, "no RTS control, disabling rs485\n"); + /* + * If using the i.MX UART RTS/CTS control then the RTS (CTS_B) + * signal cannot be set low during transmission in case the + * receiver is off (limitation of the i.MX UART IP). + */ + if (sport->port.rs485.flags & SER_RS485_ENABLED && + sport->have_rtscts && !sport->have_rtsgpio && + (!(sport->port.rs485.flags & SER_RS485_RTS_ON_SEND) && + !(sport->port.rs485.flags & SER_RS485_RX_DURING_TX))) + dev_err(&pdev->dev, + "low-active RTS not possible when receiver is off, enabling receiver\n"); + imx_uart_rs485_config(&sport->port, &sport->port.rs485); /* Disable interrupts before requesting them */ diff --git a/drivers/tty/serial/mvebu-uart.c b/drivers/tty/serial/mvebu-uart.c index 750e5645dc85..f503fab1e268 100644 --- a/drivers/tty/serial/mvebu-uart.c +++ b/drivers/tty/serial/mvebu-uart.c @@ -495,7 +495,6 @@ static void mvebu_uart_set_termios(struct uart_port *port, termios->c_iflag |= old->c_iflag & ~(INPCK | IGNPAR); termios->c_cflag &= CREAD | CBAUD; termios->c_cflag |= old->c_cflag & ~(CREAD | CBAUD); - termios->c_lflag = old->c_lflag; } spin_unlock_irqrestore(&port->lock, flags); diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c index 65ff669373d4..a1b3eb04cb32 100644 --- a/drivers/tty/serial/qcom_geni_serial.c +++ b/drivers/tty/serial/qcom_geni_serial.c @@ -1022,6 +1022,7 @@ static int qcom_geni_serial_probe(struct platform_device *pdev) struct qcom_geni_serial_port *port; struct uart_port *uport; struct resource *res; + int irq; if (pdev->dev.of_node) line = of_alias_get_id(pdev->dev.of_node, "serial"); @@ -1061,11 +1062,12 @@ static int qcom_geni_serial_probe(struct platform_device *pdev) port->rx_fifo_depth = DEF_FIFO_DEPTH_WORDS; port->tx_fifo_width = DEF_FIFO_WIDTH_BITS; - uport->irq = platform_get_irq(pdev, 0); - if (uport->irq < 0) { - dev_err(&pdev->dev, "Failed to get IRQ %d\n", uport->irq); - return uport->irq; + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + dev_err(&pdev->dev, "Failed to get IRQ %d\n", irq); + return irq; } + uport->irq = irq; uport->private_data = &qcom_geni_console_driver; platform_set_drvdata(pdev, port); diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c index abcb4d09a2d8..bd72dd843338 100644 --- a/drivers/tty/serial/xilinx_uartps.c +++ b/drivers/tty/serial/xilinx_uartps.c @@ -1181,7 +1181,7 @@ static int __init cdns_early_console_setup(struct earlycon_device *device, /* only set baud if specified on command line - otherwise * assume it has been initialized by a boot loader. */ - if (device->baud) { + if (port->uartclk && device->baud) { u32 cd = 0, bdiv = 0; u32 mr; int div8; diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index 63114ea35ec1..7c838b90a31d 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -2816,7 +2816,10 @@ struct tty_struct *alloc_tty_struct(struct tty_driver *driver, int idx) kref_init(&tty->kref); tty->magic = TTY_MAGIC; - tty_ldisc_init(tty); + if (tty_ldisc_init(tty)) { + kfree(tty); + return NULL; + } tty->session = NULL; tty->pgrp = NULL; mutex_init(&tty->legacy_mutex); diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c index 050f4d650891..fb7329ab2b37 100644 --- a/drivers/tty/tty_ldisc.c +++ b/drivers/tty/tty_ldisc.c @@ -176,12 +176,11 @@ static struct tty_ldisc *tty_ldisc_get(struct tty_struct *tty, int disc) return ERR_CAST(ldops); } - ld = kmalloc(sizeof(struct tty_ldisc), GFP_KERNEL); - if (ld == NULL) { - put_ldops(ldops); - return ERR_PTR(-ENOMEM); - } - + /* + * There is no way to handle allocation failure of only 16 bytes. + * Let's simplify error handling and save more memory. + */ + ld = kmalloc(sizeof(struct tty_ldisc), GFP_KERNEL | __GFP_NOFAIL); ld->ops = ldops; ld->tty = tty; @@ -527,19 +526,16 @@ static int tty_ldisc_failto(struct tty_struct *tty, int ld) static void tty_ldisc_restore(struct tty_struct *tty, struct tty_ldisc *old) { /* There is an outstanding reference here so this is safe */ - old = tty_ldisc_get(tty, old->ops->num); - WARN_ON(IS_ERR(old)); - tty->ldisc = old; - tty_set_termios_ldisc(tty, old->ops->num); - if (tty_ldisc_open(tty, old) < 0) { - tty_ldisc_put(old); + if (tty_ldisc_failto(tty, old->ops->num) < 0) { + const char *name = tty_name(tty); + + pr_warn("Falling back ldisc for %s.\n", name); /* The traditional behaviour is to fall back to N_TTY, we want to avoid falling back to N_NULL unless we have no choice to avoid the risk of breaking anything */ if (tty_ldisc_failto(tty, N_TTY) < 0 && tty_ldisc_failto(tty, N_NULL) < 0) - panic("Couldn't open N_NULL ldisc for %s.", - tty_name(tty)); + panic("Couldn't open N_NULL ldisc for %s.", name); } } @@ -824,12 +820,13 @@ EXPORT_SYMBOL_GPL(tty_ldisc_release); * the tty structure is not completely set up when this call is made. */ -void tty_ldisc_init(struct tty_struct *tty) +int tty_ldisc_init(struct tty_struct *tty) { struct tty_ldisc *ld = tty_ldisc_get(tty, N_TTY); if (IS_ERR(ld)) - panic("n_tty: init_tty"); + return PTR_ERR(ld); tty->ldisc = ld; + return 0; } /** diff --git a/drivers/uio/uio_hv_generic.c b/drivers/uio/uio_hv_generic.c index f695a7e8c314..c690d100adcd 100644 --- a/drivers/uio/uio_hv_generic.c +++ b/drivers/uio/uio_hv_generic.c @@ -19,7 +19,7 @@ * # echo -n "ed963694-e847-4b2a-85af-bc9cfc11d6f3" \ * > /sys/bus/vmbus/drivers/uio_hv_generic/bind */ - +#define DEBUG 1 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/device.h> @@ -94,10 +94,11 @@ hv_uio_irqcontrol(struct uio_info *info, s32 irq_state) */ static void hv_uio_channel_cb(void *context) { - struct hv_uio_private_data *pdata = context; - struct hv_device *dev = pdata->device; + struct vmbus_channel *chan = context; + struct hv_device *hv_dev = chan->device_obj; + struct hv_uio_private_data *pdata = hv_get_drvdata(hv_dev); - dev->channel->inbound.ring_buffer->interrupt_mask = 1; + chan->inbound.ring_buffer->interrupt_mask = 1; virt_mb(); uio_event_notify(&pdata->info); @@ -121,78 +122,46 @@ static void hv_uio_rescind(struct vmbus_channel *channel) uio_event_notify(&pdata->info); } -/* - * Handle fault when looking for sub channel ring buffer - * Subchannel ring buffer is same as resource 0 which is main ring buffer - * This is derived from uio_vma_fault +/* Sysfs API to allow mmap of the ring buffers + * The ring buffer is allocated as contiguous memory by vmbus_open */ -static int hv_uio_vma_fault(struct vm_fault *vmf) -{ - struct vm_area_struct *vma = vmf->vma; - void *ring_buffer = vma->vm_private_data; - struct page *page; - void *addr; - - addr = ring_buffer + (vmf->pgoff << PAGE_SHIFT); - page = virt_to_page(addr); - get_page(page); - vmf->page = page; - return 0; -} - -static const struct vm_operations_struct hv_uio_vm_ops = { - .fault = hv_uio_vma_fault, -}; - -/* Sysfs API to allow mmap of the ring buffers */ static int hv_uio_ring_mmap(struct file *filp, struct kobject *kobj, struct bin_attribute *attr, struct vm_area_struct *vma) { struct vmbus_channel *channel = container_of(kobj, struct vmbus_channel, kobj); - unsigned long requested_pages, actual_pages; - - if (vma->vm_end < vma->vm_start) - return -EINVAL; - - /* only allow 0 for now */ - if (vma->vm_pgoff > 0) - return -EINVAL; + struct hv_device *dev = channel->primary_channel->device_obj; + u16 q_idx = channel->offermsg.offer.sub_channel_index; - requested_pages = vma_pages(vma); - actual_pages = 2 * HV_RING_SIZE; - if (requested_pages > actual_pages) - return -EINVAL; + dev_dbg(&dev->device, "mmap channel %u pages %#lx at %#lx\n", + q_idx, vma_pages(vma), vma->vm_pgoff); - vma->vm_private_data = channel->ringbuffer_pages; - vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP; - vma->vm_ops = &hv_uio_vm_ops; - return 0; + return vm_iomap_memory(vma, virt_to_phys(channel->ringbuffer_pages), + channel->ringbuffer_pagecount << PAGE_SHIFT); } -static struct bin_attribute ring_buffer_bin_attr __ro_after_init = { +static const struct bin_attribute ring_buffer_bin_attr = { .attr = { .name = "ring", .mode = 0600, - /* size is set at init time */ }, + .size = 2 * HV_RING_SIZE * PAGE_SIZE, .mmap = hv_uio_ring_mmap, }; -/* Callback from VMBUS subystem when new channel created. */ +/* Callback from VMBUS subsystem when new channel created. */ static void hv_uio_new_channel(struct vmbus_channel *new_sc) { struct hv_device *hv_dev = new_sc->primary_channel->device_obj; struct device *device = &hv_dev->device; - struct hv_uio_private_data *pdata = hv_get_drvdata(hv_dev); const size_t ring_bytes = HV_RING_SIZE * PAGE_SIZE; int ret; /* Create host communication ring */ ret = vmbus_open(new_sc, ring_bytes, ring_bytes, NULL, 0, - hv_uio_channel_cb, pdata); + hv_uio_channel_cb, new_sc); if (ret) { dev_err(device, "vmbus_open subchannel failed: %d\n", ret); return; @@ -234,7 +203,7 @@ hv_uio_probe(struct hv_device *dev, ret = vmbus_open(dev->channel, HV_RING_SIZE * PAGE_SIZE, HV_RING_SIZE * PAGE_SIZE, NULL, 0, - hv_uio_channel_cb, pdata); + hv_uio_channel_cb, dev->channel); if (ret) goto fail; @@ -326,6 +295,11 @@ hv_uio_probe(struct hv_device *dev, vmbus_set_chn_rescind_callback(dev->channel, hv_uio_rescind); vmbus_set_sc_create_callback(dev->channel, hv_uio_new_channel); + ret = sysfs_create_bin_file(&dev->channel->kobj, &ring_buffer_bin_attr); + if (ret) + dev_notice(&dev->device, + "sysfs create ring bin file failed; %d\n", ret); + hv_set_drvdata(dev, pdata); return 0; diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig index 75f7fb151f71..987fc5ba6321 100644 --- a/drivers/usb/Kconfig +++ b/drivers/usb/Kconfig @@ -207,5 +207,6 @@ config USB_ULPI_BUS config USB_ROLE_SWITCH tristate + select USB_COMMON endif # USB_SUPPORT diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 777036ae6367..0a42c5df3c0f 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -2262,7 +2262,8 @@ int hcd_bus_suspend(struct usb_device *rhdev, pm_message_t msg) hcd->state = HC_STATE_SUSPENDED; if (!PMSG_IS_AUTO(msg)) - usb_phy_roothub_power_off(hcd->phy_roothub); + usb_phy_roothub_suspend(hcd->self.sysdev, + hcd->phy_roothub); /* Did we race with a root-hub wakeup event? */ if (rhdev->do_remote_wakeup) { @@ -2302,7 +2303,8 @@ int hcd_bus_resume(struct usb_device *rhdev, pm_message_t msg) } if (!PMSG_IS_AUTO(msg)) { - status = usb_phy_roothub_power_on(hcd->phy_roothub); + status = usb_phy_roothub_resume(hcd->self.sysdev, + hcd->phy_roothub); if (status) return status; } @@ -2344,7 +2346,7 @@ int hcd_bus_resume(struct usb_device *rhdev, pm_message_t msg) } } else { hcd->state = old_state; - usb_phy_roothub_power_off(hcd->phy_roothub); + usb_phy_roothub_suspend(hcd->self.sysdev, hcd->phy_roothub); dev_dbg(&rhdev->dev, "bus %s fail, err %d\n", "resume", status); if (status != -ESHUTDOWN) @@ -2377,6 +2379,7 @@ void usb_hcd_resume_root_hub (struct usb_hcd *hcd) spin_lock_irqsave (&hcd_root_hub_lock, flags); if (hcd->rh_registered) { + pm_wakeup_event(&hcd->self.root_hub->dev, 0); set_bit(HCD_FLAG_WAKEUP_PENDING, &hcd->flags); queue_work(pm_wq, &hcd->wakeup_work); } @@ -2758,12 +2761,16 @@ int usb_add_hcd(struct usb_hcd *hcd, } if (!hcd->skip_phy_initialization && usb_hcd_is_primary_hcd(hcd)) { - hcd->phy_roothub = usb_phy_roothub_init(hcd->self.sysdev); + hcd->phy_roothub = usb_phy_roothub_alloc(hcd->self.sysdev); if (IS_ERR(hcd->phy_roothub)) { retval = PTR_ERR(hcd->phy_roothub); - goto err_phy_roothub_init; + goto err_phy_roothub_alloc; } + retval = usb_phy_roothub_init(hcd->phy_roothub); + if (retval) + goto err_phy_roothub_alloc; + retval = usb_phy_roothub_power_on(hcd->phy_roothub); if (retval) goto err_usb_phy_roothub_power_on; @@ -2936,7 +2943,7 @@ err_create_buf: usb_phy_roothub_power_off(hcd->phy_roothub); err_usb_phy_roothub_power_on: usb_phy_roothub_exit(hcd->phy_roothub); -err_phy_roothub_init: +err_phy_roothub_alloc: if (hcd->remove_phy && hcd->usb_phy) { usb_phy_shutdown(hcd->usb_phy); usb_put_phy(hcd->usb_phy); diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index f6ea16e9f6bb..aa9968d90a48 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -653,12 +653,17 @@ void usb_wakeup_notification(struct usb_device *hdev, unsigned int portnum) { struct usb_hub *hub; + struct usb_port *port_dev; if (!hdev) return; hub = usb_hub_to_struct_hub(hdev); if (hub) { + port_dev = hub->ports[portnum - 1]; + if (port_dev && port_dev->child) + pm_wakeup_event(&port_dev->child->dev, 0); + set_bit(portnum, hub->wakeup_bits); kick_hub_wq(hub); } @@ -3434,8 +3439,11 @@ int usb_port_resume(struct usb_device *udev, pm_message_t msg) /* Skip the initial Clear-Suspend step for a remote wakeup */ status = hub_port_status(hub, port1, &portstatus, &portchange); - if (status == 0 && !port_is_suspended(hub, portstatus)) + if (status == 0 && !port_is_suspended(hub, portstatus)) { + if (portchange & USB_PORT_STAT_C_SUSPEND) + pm_wakeup_event(&udev->dev, 0); goto SuspendCleared; + } /* see 7.1.7.7; affects power usage, but not budgeting */ if (hub_is_superspeed(hub->hdev)) diff --git a/drivers/usb/core/phy.c b/drivers/usb/core/phy.c index 09b7c43c0ea4..9879767452a2 100644 --- a/drivers/usb/core/phy.c +++ b/drivers/usb/core/phy.c @@ -19,19 +19,6 @@ struct usb_phy_roothub { struct list_head list; }; -static struct usb_phy_roothub *usb_phy_roothub_alloc(struct device *dev) -{ - struct usb_phy_roothub *roothub_entry; - - roothub_entry = devm_kzalloc(dev, sizeof(*roothub_entry), GFP_KERNEL); - if (!roothub_entry) - return ERR_PTR(-ENOMEM); - - INIT_LIST_HEAD(&roothub_entry->list); - - return roothub_entry; -} - static int usb_phy_roothub_add_phy(struct device *dev, int index, struct list_head *list) { @@ -45,9 +32,11 @@ static int usb_phy_roothub_add_phy(struct device *dev, int index, return PTR_ERR(phy); } - roothub_entry = usb_phy_roothub_alloc(dev); - if (IS_ERR(roothub_entry)) - return PTR_ERR(roothub_entry); + roothub_entry = devm_kzalloc(dev, sizeof(*roothub_entry), GFP_KERNEL); + if (!roothub_entry) + return -ENOMEM; + + INIT_LIST_HEAD(&roothub_entry->list); roothub_entry->phy = phy; @@ -56,28 +45,44 @@ static int usb_phy_roothub_add_phy(struct device *dev, int index, return 0; } -struct usb_phy_roothub *usb_phy_roothub_init(struct device *dev) +struct usb_phy_roothub *usb_phy_roothub_alloc(struct device *dev) { struct usb_phy_roothub *phy_roothub; - struct usb_phy_roothub *roothub_entry; - struct list_head *head; int i, num_phys, err; + if (!IS_ENABLED(CONFIG_GENERIC_PHY)) + return NULL; + num_phys = of_count_phandle_with_args(dev->of_node, "phys", "#phy-cells"); if (num_phys <= 0) return NULL; - phy_roothub = usb_phy_roothub_alloc(dev); - if (IS_ERR(phy_roothub)) - return phy_roothub; + phy_roothub = devm_kzalloc(dev, sizeof(*phy_roothub), GFP_KERNEL); + if (!phy_roothub) + return ERR_PTR(-ENOMEM); + + INIT_LIST_HEAD(&phy_roothub->list); for (i = 0; i < num_phys; i++) { err = usb_phy_roothub_add_phy(dev, i, &phy_roothub->list); if (err) - goto err_out; + return ERR_PTR(err); } + return phy_roothub; +} +EXPORT_SYMBOL_GPL(usb_phy_roothub_alloc); + +int usb_phy_roothub_init(struct usb_phy_roothub *phy_roothub) +{ + struct usb_phy_roothub *roothub_entry; + struct list_head *head; + int err; + + if (!phy_roothub) + return 0; + head = &phy_roothub->list; list_for_each_entry(roothub_entry, head, list) { @@ -86,14 +91,13 @@ struct usb_phy_roothub *usb_phy_roothub_init(struct device *dev) goto err_exit_phys; } - return phy_roothub; + return 0; err_exit_phys: list_for_each_entry_continue_reverse(roothub_entry, head, list) phy_exit(roothub_entry->phy); -err_out: - return ERR_PTR(err); + return err; } EXPORT_SYMBOL_GPL(usb_phy_roothub_init); @@ -111,7 +115,7 @@ int usb_phy_roothub_exit(struct usb_phy_roothub *phy_roothub) list_for_each_entry(roothub_entry, head, list) { err = phy_exit(roothub_entry->phy); if (err) - ret = ret; + ret = err; } return ret; @@ -156,3 +160,38 @@ void usb_phy_roothub_power_off(struct usb_phy_roothub *phy_roothub) phy_power_off(roothub_entry->phy); } EXPORT_SYMBOL_GPL(usb_phy_roothub_power_off); + +int usb_phy_roothub_suspend(struct device *controller_dev, + struct usb_phy_roothub *phy_roothub) +{ + usb_phy_roothub_power_off(phy_roothub); + + /* keep the PHYs initialized so the device can wake up the system */ + if (device_may_wakeup(controller_dev)) + return 0; + + return usb_phy_roothub_exit(phy_roothub); +} +EXPORT_SYMBOL_GPL(usb_phy_roothub_suspend); + +int usb_phy_roothub_resume(struct device *controller_dev, + struct usb_phy_roothub *phy_roothub) +{ + int err; + + /* if the device can't wake up the system _exit was called */ + if (!device_may_wakeup(controller_dev)) { + err = usb_phy_roothub_init(phy_roothub); + if (err) + return err; + } + + err = usb_phy_roothub_power_on(phy_roothub); + + /* undo _init if _power_on failed */ + if (err && !device_may_wakeup(controller_dev)) + usb_phy_roothub_exit(phy_roothub); + + return err; +} +EXPORT_SYMBOL_GPL(usb_phy_roothub_resume); diff --git a/drivers/usb/core/phy.h b/drivers/usb/core/phy.h index 6fde59bfbff8..88a3c037e9df 100644 --- a/drivers/usb/core/phy.h +++ b/drivers/usb/core/phy.h @@ -1,7 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * USB roothub wrapper + * + * Copyright (C) 2018 Martin Blumenstingl <martin.blumenstingl@googlemail.com> + */ + +#ifndef __USB_CORE_PHY_H_ +#define __USB_CORE_PHY_H_ + +struct device; struct usb_phy_roothub; -struct usb_phy_roothub *usb_phy_roothub_init(struct device *dev); +struct usb_phy_roothub *usb_phy_roothub_alloc(struct device *dev); + +int usb_phy_roothub_init(struct usb_phy_roothub *phy_roothub); int usb_phy_roothub_exit(struct usb_phy_roothub *phy_roothub); int usb_phy_roothub_power_on(struct usb_phy_roothub *phy_roothub); void usb_phy_roothub_power_off(struct usb_phy_roothub *phy_roothub); + +int usb_phy_roothub_suspend(struct device *controller_dev, + struct usb_phy_roothub *phy_roothub); +int usb_phy_roothub_resume(struct device *controller_dev, + struct usb_phy_roothub *phy_roothub); + +#endif /* __USB_CORE_PHY_H_ */ diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 920f48a49a87..c55def2f1320 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -186,6 +186,9 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x03f0, 0x0701), .driver_info = USB_QUIRK_STRING_FETCH_255 }, + /* HP v222w 16GB Mini USB Drive */ + { USB_DEVICE(0x03f0, 0x3f40), .driver_info = USB_QUIRK_DELAY_INIT }, + /* Creative SB Audigy 2 NX */ { USB_DEVICE(0x041e, 0x3020), .driver_info = USB_QUIRK_RESET_RESUME }, diff --git a/drivers/usb/host/xhci-dbgtty.c b/drivers/usb/host/xhci-dbgtty.c index 48779c44c361..eb494ec547e8 100644 --- a/drivers/usb/host/xhci-dbgtty.c +++ b/drivers/usb/host/xhci-dbgtty.c @@ -320,9 +320,11 @@ int xhci_dbc_tty_register_driver(struct xhci_hcd *xhci) void xhci_dbc_tty_unregister_driver(void) { - tty_unregister_driver(dbc_tty_driver); - put_tty_driver(dbc_tty_driver); - dbc_tty_driver = NULL; + if (dbc_tty_driver) { + tty_unregister_driver(dbc_tty_driver); + put_tty_driver(dbc_tty_driver); + dbc_tty_driver = NULL; + } } static void dbc_rx_push(unsigned long _port) diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index f17b7eab66cf..85ffda85f8ab 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -126,7 +126,10 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) if (pdev->vendor == PCI_VENDOR_ID_AMD && usb_amd_find_chipset_info()) xhci->quirks |= XHCI_AMD_PLL_FIX; - if (pdev->vendor == PCI_VENDOR_ID_AMD && pdev->device == 0x43bb) + if (pdev->vendor == PCI_VENDOR_ID_AMD && + (pdev->device == 0x15e0 || + pdev->device == 0x15e1 || + pdev->device == 0x43bb)) xhci->quirks |= XHCI_SUSPEND_DELAY; if (pdev->vendor == PCI_VENDOR_ID_AMD) diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index df327dcc2bac..c1b22fc64e38 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -157,6 +157,7 @@ static int xhci_plat_probe(struct platform_device *pdev) struct resource *res; struct usb_hcd *hcd; struct clk *clk; + struct clk *reg_clk; int ret; int irq; @@ -226,17 +227,27 @@ static int xhci_plat_probe(struct platform_device *pdev) hcd->rsrc_len = resource_size(res); /* - * Not all platforms have a clk so it is not an error if the - * clock does not exists. + * Not all platforms have clks so it is not an error if the + * clock do not exist. */ + reg_clk = devm_clk_get(&pdev->dev, "reg"); + if (!IS_ERR(reg_clk)) { + ret = clk_prepare_enable(reg_clk); + if (ret) + goto put_hcd; + } else if (PTR_ERR(reg_clk) == -EPROBE_DEFER) { + ret = -EPROBE_DEFER; + goto put_hcd; + } + clk = devm_clk_get(&pdev->dev, NULL); if (!IS_ERR(clk)) { ret = clk_prepare_enable(clk); if (ret) - goto put_hcd; + goto disable_reg_clk; } else if (PTR_ERR(clk) == -EPROBE_DEFER) { ret = -EPROBE_DEFER; - goto put_hcd; + goto disable_reg_clk; } xhci = hcd_to_xhci(hcd); @@ -252,6 +263,7 @@ static int xhci_plat_probe(struct platform_device *pdev) device_wakeup_enable(hcd->self.controller); xhci->clk = clk; + xhci->reg_clk = reg_clk; xhci->main_hcd = hcd; xhci->shared_hcd = __usb_create_hcd(driver, sysdev, &pdev->dev, dev_name(&pdev->dev), hcd); @@ -320,8 +332,10 @@ put_usb3_hcd: usb_put_hcd(xhci->shared_hcd); disable_clk: - if (!IS_ERR(clk)) - clk_disable_unprepare(clk); + clk_disable_unprepare(clk); + +disable_reg_clk: + clk_disable_unprepare(reg_clk); put_hcd: usb_put_hcd(hcd); @@ -338,6 +352,7 @@ static int xhci_plat_remove(struct platform_device *dev) struct usb_hcd *hcd = platform_get_drvdata(dev); struct xhci_hcd *xhci = hcd_to_xhci(hcd); struct clk *clk = xhci->clk; + struct clk *reg_clk = xhci->reg_clk; xhci->xhc_state |= XHCI_STATE_REMOVING; @@ -347,8 +362,8 @@ static int xhci_plat_remove(struct platform_device *dev) usb_remove_hcd(hcd); usb_put_hcd(xhci->shared_hcd); - if (!IS_ERR(clk)) - clk_disable_unprepare(clk); + clk_disable_unprepare(clk); + clk_disable_unprepare(reg_clk); usb_put_hcd(hcd); pm_runtime_set_suspended(&dev->dev); @@ -420,7 +435,6 @@ MODULE_DEVICE_TABLE(acpi, usb_xhci_acpi_match); static struct platform_driver usb_xhci_driver = { .probe = xhci_plat_probe, .remove = xhci_plat_remove, - .shutdown = usb_hcd_platform_shutdown, .driver = { .name = "xhci-hcd", .pm = &xhci_plat_pm_ops, diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 05c909b04f14..6dfc4867dbcf 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1729,8 +1729,9 @@ struct xhci_hcd { int page_shift; /* msi-x vectors */ int msix_count; - /* optional clock */ + /* optional clocks */ struct clk *clk; + struct clk *reg_clk; /* data structures */ struct xhci_device_context_array *dcbaa; struct xhci_ring *cmd_ring; diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index 05a679d5e3a2..6a60bc0490c5 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -451,7 +451,6 @@ static int dsps_musb_init(struct musb *musb) if (!rev) return -ENODEV; - usb_phy_init(musb->xceiv); if (IS_ERR(musb->phy)) { musb->phy = NULL; } else { @@ -501,7 +500,6 @@ static int dsps_musb_exit(struct musb *musb) struct dsps_glue *glue = dev_get_drvdata(dev->parent); del_timer_sync(&musb->dev_timer); - usb_phy_shutdown(musb->xceiv); phy_power_off(musb->phy); phy_exit(musb->phy); debugfs_remove_recursive(glue->dbgfs_root); diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index 3a8451a15f7f..4fa372c845e1 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -2754,6 +2754,7 @@ int musb_host_setup(struct musb *musb, int power_budget) hcd->self.otg_port = 1; musb->xceiv->otg->host = &hcd->self; hcd->power_budget = 2 * (power_budget ? : 250); + hcd->skip_phy_initialization = 1; ret = usb_add_hcd(hcd, 0, 0); if (ret < 0) diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig index a646820f5a78..533f127c30ad 100644 --- a/drivers/usb/serial/Kconfig +++ b/drivers/usb/serial/Kconfig @@ -62,6 +62,7 @@ config USB_SERIAL_SIMPLE - Fundamental Software dongle. - Google USB serial devices - HP4x calculators + - Libtransistor USB console - a number of Motorola phones - Motorola Tetra devices - Novatel Wireless GPS receivers diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index de1e759dd512..eb6c26cbe579 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -214,6 +214,7 @@ static const struct usb_device_id id_table[] = { { USB_DEVICE(0x3195, 0xF190) }, /* Link Instruments MSO-19 */ { USB_DEVICE(0x3195, 0xF280) }, /* Link Instruments MSO-28 */ { USB_DEVICE(0x3195, 0xF281) }, /* Link Instruments MSO-28 */ + { USB_DEVICE(0x3923, 0x7A0B) }, /* National Instruments USB Serial Console */ { USB_DEVICE(0x413C, 0x9500) }, /* DW700 GPS USB interface */ { } /* Terminating Entry */ }; diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 87202ad5a50d..7ea221d42dba 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -1898,7 +1898,8 @@ static int ftdi_8u2232c_probe(struct usb_serial *serial) return ftdi_jtag_probe(serial); if (udev->product && - (!strcmp(udev->product, "BeagleBone/XDS100V2") || + (!strcmp(udev->product, "Arrow USB Blaster") || + !strcmp(udev->product, "BeagleBone/XDS100V2") || !strcmp(udev->product, "SNAP Connect E10"))) return ftdi_jtag_probe(serial); diff --git a/drivers/usb/serial/usb-serial-simple.c b/drivers/usb/serial/usb-serial-simple.c index 4ef79e29cb26..40864c2bd9dc 100644 --- a/drivers/usb/serial/usb-serial-simple.c +++ b/drivers/usb/serial/usb-serial-simple.c @@ -63,6 +63,11 @@ DEVICE(flashloader, FLASHLOADER_IDS); 0x01) } DEVICE(google, GOOGLE_IDS); +/* Libtransistor USB console */ +#define LIBTRANSISTOR_IDS() \ + { USB_DEVICE(0x1209, 0x8b00) } +DEVICE(libtransistor, LIBTRANSISTOR_IDS); + /* ViVOpay USB Serial Driver */ #define VIVOPAY_IDS() \ { USB_DEVICE(0x1d5f, 0x1004) } /* ViVOpay 8800 */ @@ -110,6 +115,7 @@ static struct usb_serial_driver * const serial_drivers[] = { &funsoft_device, &flashloader_device, &google_device, + &libtransistor_device, &vivopay_device, &moto_modem_device, &motorola_tetra_device, @@ -126,6 +132,7 @@ static const struct usb_device_id id_table[] = { FUNSOFT_IDS(), FLASHLOADER_IDS(), GOOGLE_IDS(), + LIBTRANSISTOR_IDS(), VIVOPAY_IDS(), MOTO_IDS(), MOTOROLA_TETRA_IDS(), diff --git a/drivers/usb/typec/ucsi/Makefile b/drivers/usb/typec/ucsi/Makefile index b57891c1fd31..7afbea512207 100644 --- a/drivers/usb/typec/ucsi/Makefile +++ b/drivers/usb/typec/ucsi/Makefile @@ -5,6 +5,6 @@ obj-$(CONFIG_TYPEC_UCSI) += typec_ucsi.o typec_ucsi-y := ucsi.o -typec_ucsi-$(CONFIG_FTRACE) += trace.o +typec_ucsi-$(CONFIG_TRACING) += trace.o obj-$(CONFIG_UCSI_ACPI) += ucsi_acpi.o diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c index bf0977fbd100..bd5cca5632b3 100644 --- a/drivers/usb/typec/ucsi/ucsi.c +++ b/drivers/usb/typec/ucsi/ucsi.c @@ -28,7 +28,7 @@ * difficult to estimate the time it takes for the system to process the command * before it is actually passed to the PPM. */ -#define UCSI_TIMEOUT_MS 1000 +#define UCSI_TIMEOUT_MS 5000 /* * UCSI_SWAP_TIMEOUT_MS - Timeout for role swap requests diff --git a/drivers/usb/usbip/stub_main.c b/drivers/usb/usbip/stub_main.c index c31c8402a0c5..d41d0cdeec0f 100644 --- a/drivers/usb/usbip/stub_main.c +++ b/drivers/usb/usbip/stub_main.c @@ -186,7 +186,12 @@ static ssize_t rebind_store(struct device_driver *dev, const char *buf, if (!bid) return -ENODEV; + /* device_attach() callers should hold parent lock for USB */ + if (bid->udev->dev.parent) + device_lock(bid->udev->dev.parent); ret = device_attach(&bid->udev->dev); + if (bid->udev->dev.parent) + device_unlock(bid->udev->dev.parent); if (ret < 0) { dev_err(&bid->udev->dev, "rebind failed\n"); return ret; diff --git a/drivers/usb/usbip/usbip_common.h b/drivers/usb/usbip/usbip_common.h index 473fb8a87289..bf8afe9b5883 100644 --- a/drivers/usb/usbip/usbip_common.h +++ b/drivers/usb/usbip/usbip_common.h @@ -243,7 +243,7 @@ enum usbip_side { #define VUDC_EVENT_ERROR_USB (USBIP_EH_SHUTDOWN | USBIP_EH_UNUSABLE) #define VUDC_EVENT_ERROR_MALLOC (USBIP_EH_SHUTDOWN | USBIP_EH_UNUSABLE) -#define VDEV_EVENT_REMOVED (USBIP_EH_SHUTDOWN | USBIP_EH_BYE) +#define VDEV_EVENT_REMOVED (USBIP_EH_SHUTDOWN | USBIP_EH_RESET | USBIP_EH_BYE) #define VDEV_EVENT_DOWN (USBIP_EH_SHUTDOWN | USBIP_EH_RESET) #define VDEV_EVENT_ERROR_TCP (USBIP_EH_SHUTDOWN | USBIP_EH_RESET) #define VDEV_EVENT_ERROR_MALLOC (USBIP_EH_SHUTDOWN | USBIP_EH_UNUSABLE) diff --git a/drivers/usb/usbip/usbip_event.c b/drivers/usb/usbip/usbip_event.c index 5b4c0864ad92..5d88917c9631 100644 --- a/drivers/usb/usbip/usbip_event.c +++ b/drivers/usb/usbip/usbip_event.c @@ -91,10 +91,6 @@ static void event_handler(struct work_struct *work) unset_event(ud, USBIP_EH_UNUSABLE); } - /* Stop the error handler. */ - if (ud->event & USBIP_EH_BYE) - usbip_dbg_eh("removed %p\n", ud); - wake_up(&ud->eh_waitq); } } diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c index 20e3d4609583..d11f3f8dad40 100644 --- a/drivers/usb/usbip/vhci_hcd.c +++ b/drivers/usb/usbip/vhci_hcd.c @@ -354,6 +354,8 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, usbip_dbg_vhci_rh(" ClearHubFeature\n"); break; case ClearPortFeature: + if (rhport < 0) + goto error; switch (wValue) { case USB_PORT_FEAT_SUSPEND: if (hcd->speed == HCD_USB3) { @@ -511,11 +513,16 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, goto error; } + if (rhport < 0) + goto error; + vhci_hcd->port_status[rhport] |= USB_PORT_STAT_SUSPEND; break; case USB_PORT_FEAT_POWER: usbip_dbg_vhci_rh( " SetPortFeature: USB_PORT_FEAT_POWER\n"); + if (rhport < 0) + goto error; if (hcd->speed == HCD_USB3) vhci_hcd->port_status[rhport] |= USB_SS_PORT_STAT_POWER; else @@ -524,6 +531,8 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, case USB_PORT_FEAT_BH_PORT_RESET: usbip_dbg_vhci_rh( " SetPortFeature: USB_PORT_FEAT_BH_PORT_RESET\n"); + if (rhport < 0) + goto error; /* Applicable only for USB3.0 hub */ if (hcd->speed != HCD_USB3) { pr_err("USB_PORT_FEAT_BH_PORT_RESET req not " @@ -534,6 +543,8 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, case USB_PORT_FEAT_RESET: usbip_dbg_vhci_rh( " SetPortFeature: USB_PORT_FEAT_RESET\n"); + if (rhport < 0) + goto error; /* if it's already enabled, disable */ if (hcd->speed == HCD_USB3) { vhci_hcd->port_status[rhport] = 0; @@ -554,6 +565,8 @@ static int vhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, default: usbip_dbg_vhci_rh(" SetPortFeature: default %d\n", wValue); + if (rhport < 0) + goto error; if (hcd->speed == HCD_USB3) { if ((vhci_hcd->port_status[rhport] & USB_SS_PORT_STAT_POWER) != 0) { diff --git a/drivers/virt/vboxguest/vboxguest_core.c b/drivers/virt/vboxguest/vboxguest_core.c index 190dbf8cfcb5..2f3856a95856 100644 --- a/drivers/virt/vboxguest/vboxguest_core.c +++ b/drivers/virt/vboxguest/vboxguest_core.c @@ -114,7 +114,7 @@ static void vbg_guest_mappings_init(struct vbg_dev *gdev) } out: - kfree(req); + vbg_req_free(req, sizeof(*req)); kfree(pages); } @@ -144,7 +144,7 @@ static void vbg_guest_mappings_exit(struct vbg_dev *gdev) rc = vbg_req_perform(gdev, req); - kfree(req); + vbg_req_free(req, sizeof(*req)); if (rc < 0) { vbg_err("%s error: %d\n", __func__, rc); @@ -214,8 +214,8 @@ static int vbg_report_guest_info(struct vbg_dev *gdev) ret = vbg_status_code_to_errno(rc); out_free: - kfree(req2); - kfree(req1); + vbg_req_free(req2, sizeof(*req2)); + vbg_req_free(req1, sizeof(*req1)); return ret; } @@ -245,7 +245,7 @@ static int vbg_report_driver_status(struct vbg_dev *gdev, bool active) if (rc == VERR_NOT_IMPLEMENTED) /* Compatibility with older hosts. */ rc = VINF_SUCCESS; - kfree(req); + vbg_req_free(req, sizeof(*req)); return vbg_status_code_to_errno(rc); } @@ -431,7 +431,7 @@ static int vbg_heartbeat_host_config(struct vbg_dev *gdev, bool enabled) rc = vbg_req_perform(gdev, req); do_div(req->interval_ns, 1000000); /* ns -> ms */ gdev->heartbeat_interval_ms = req->interval_ns; - kfree(req); + vbg_req_free(req, sizeof(*req)); return vbg_status_code_to_errno(rc); } @@ -454,12 +454,6 @@ static int vbg_heartbeat_init(struct vbg_dev *gdev) if (ret < 0) return ret; - /* - * Preallocate the request to use it from the timer callback because: - * 1) on Windows vbg_req_alloc must be called at IRQL <= APC_LEVEL - * and the timer callback runs at DISPATCH_LEVEL; - * 2) avoid repeated allocations. - */ gdev->guest_heartbeat_req = vbg_req_alloc( sizeof(*gdev->guest_heartbeat_req), VMMDEVREQ_GUEST_HEARTBEAT); @@ -481,8 +475,8 @@ static void vbg_heartbeat_exit(struct vbg_dev *gdev) { del_timer_sync(&gdev->heartbeat_timer); vbg_heartbeat_host_config(gdev, false); - kfree(gdev->guest_heartbeat_req); - + vbg_req_free(gdev->guest_heartbeat_req, + sizeof(*gdev->guest_heartbeat_req)); } /** @@ -543,7 +537,7 @@ static int vbg_reset_host_event_filter(struct vbg_dev *gdev, if (rc < 0) vbg_err("%s error, rc: %d\n", __func__, rc); - kfree(req); + vbg_req_free(req, sizeof(*req)); return vbg_status_code_to_errno(rc); } @@ -617,7 +611,7 @@ static int vbg_set_session_event_filter(struct vbg_dev *gdev, out: mutex_unlock(&gdev->session_mutex); - kfree(req); + vbg_req_free(req, sizeof(*req)); return ret; } @@ -642,7 +636,7 @@ static int vbg_reset_host_capabilities(struct vbg_dev *gdev) if (rc < 0) vbg_err("%s error, rc: %d\n", __func__, rc); - kfree(req); + vbg_req_free(req, sizeof(*req)); return vbg_status_code_to_errno(rc); } @@ -712,7 +706,7 @@ static int vbg_set_session_capabilities(struct vbg_dev *gdev, out: mutex_unlock(&gdev->session_mutex); - kfree(req); + vbg_req_free(req, sizeof(*req)); return ret; } @@ -733,8 +727,10 @@ static int vbg_query_host_version(struct vbg_dev *gdev) rc = vbg_req_perform(gdev, req); ret = vbg_status_code_to_errno(rc); - if (ret) + if (ret) { + vbg_err("%s error: %d\n", __func__, rc); goto out; + } snprintf(gdev->host_version, sizeof(gdev->host_version), "%u.%u.%ur%u", req->major, req->minor, req->build, req->revision); @@ -749,7 +745,7 @@ static int vbg_query_host_version(struct vbg_dev *gdev) } out: - kfree(req); + vbg_req_free(req, sizeof(*req)); return ret; } @@ -847,11 +843,16 @@ int vbg_core_init(struct vbg_dev *gdev, u32 fixed_events) return 0; err_free_reqs: - kfree(gdev->mouse_status_req); - kfree(gdev->ack_events_req); - kfree(gdev->cancel_req); - kfree(gdev->mem_balloon.change_req); - kfree(gdev->mem_balloon.get_req); + vbg_req_free(gdev->mouse_status_req, + sizeof(*gdev->mouse_status_req)); + vbg_req_free(gdev->ack_events_req, + sizeof(*gdev->ack_events_req)); + vbg_req_free(gdev->cancel_req, + sizeof(*gdev->cancel_req)); + vbg_req_free(gdev->mem_balloon.change_req, + sizeof(*gdev->mem_balloon.change_req)); + vbg_req_free(gdev->mem_balloon.get_req, + sizeof(*gdev->mem_balloon.get_req)); return ret; } @@ -872,11 +873,16 @@ void vbg_core_exit(struct vbg_dev *gdev) vbg_reset_host_capabilities(gdev); vbg_core_set_mouse_status(gdev, 0); - kfree(gdev->mouse_status_req); - kfree(gdev->ack_events_req); - kfree(gdev->cancel_req); - kfree(gdev->mem_balloon.change_req); - kfree(gdev->mem_balloon.get_req); + vbg_req_free(gdev->mouse_status_req, + sizeof(*gdev->mouse_status_req)); + vbg_req_free(gdev->ack_events_req, + sizeof(*gdev->ack_events_req)); + vbg_req_free(gdev->cancel_req, + sizeof(*gdev->cancel_req)); + vbg_req_free(gdev->mem_balloon.change_req, + sizeof(*gdev->mem_balloon.change_req)); + vbg_req_free(gdev->mem_balloon.get_req, + sizeof(*gdev->mem_balloon.get_req)); } /** @@ -1415,7 +1421,7 @@ static int vbg_ioctl_write_core_dump(struct vbg_dev *gdev, req->flags = dump->u.in.flags; dump->hdr.rc = vbg_req_perform(gdev, req); - kfree(req); + vbg_req_free(req, sizeof(*req)); return 0; } @@ -1513,7 +1519,7 @@ int vbg_core_set_mouse_status(struct vbg_dev *gdev, u32 features) if (rc < 0) vbg_err("%s error, rc: %d\n", __func__, rc); - kfree(req); + vbg_req_free(req, sizeof(*req)); return vbg_status_code_to_errno(rc); } diff --git a/drivers/virt/vboxguest/vboxguest_core.h b/drivers/virt/vboxguest/vboxguest_core.h index 6c784bf4fa6d..7ad9ec45bfa9 100644 --- a/drivers/virt/vboxguest/vboxguest_core.h +++ b/drivers/virt/vboxguest/vboxguest_core.h @@ -171,4 +171,13 @@ irqreturn_t vbg_core_isr(int irq, void *dev_id); void vbg_linux_mouse_event(struct vbg_dev *gdev); +/* Private (non exported) functions form vboxguest_utils.c */ +void *vbg_req_alloc(size_t len, enum vmmdev_request_type req_type); +void vbg_req_free(void *req, size_t len); +int vbg_req_perform(struct vbg_dev *gdev, void *req); +int vbg_hgcm_call32( + struct vbg_dev *gdev, u32 client_id, u32 function, u32 timeout_ms, + struct vmmdev_hgcm_function_parameter32 *parm32, u32 parm_count, + int *vbox_status); + #endif diff --git a/drivers/virt/vboxguest/vboxguest_linux.c b/drivers/virt/vboxguest/vboxguest_linux.c index 82e280d38cc2..398d22693234 100644 --- a/drivers/virt/vboxguest/vboxguest_linux.c +++ b/drivers/virt/vboxguest/vboxguest_linux.c @@ -87,6 +87,7 @@ static long vbg_misc_device_ioctl(struct file *filp, unsigned int req, struct vbg_session *session = filp->private_data; size_t returned_size, size; struct vbg_ioctl_hdr hdr; + bool is_vmmdev_req; int ret = 0; void *buf; @@ -106,8 +107,17 @@ static long vbg_misc_device_ioctl(struct file *filp, unsigned int req, if (size > SZ_16M) return -E2BIG; - /* __GFP_DMA32 because IOCTL_VMMDEV_REQUEST passes this to the host */ - buf = kmalloc(size, GFP_KERNEL | __GFP_DMA32); + /* + * IOCTL_VMMDEV_REQUEST needs the buffer to be below 4G to avoid + * the need for a bounce-buffer and another copy later on. + */ + is_vmmdev_req = (req & ~IOCSIZE_MASK) == VBG_IOCTL_VMMDEV_REQUEST(0) || + req == VBG_IOCTL_VMMDEV_REQUEST_BIG; + + if (is_vmmdev_req) + buf = vbg_req_alloc(size, VBG_IOCTL_HDR_TYPE_DEFAULT); + else + buf = kmalloc(size, GFP_KERNEL); if (!buf) return -ENOMEM; @@ -132,7 +142,10 @@ static long vbg_misc_device_ioctl(struct file *filp, unsigned int req, ret = -EFAULT; out: - kfree(buf); + if (is_vmmdev_req) + vbg_req_free(buf, size); + else + kfree(buf); return ret; } diff --git a/drivers/virt/vboxguest/vboxguest_utils.c b/drivers/virt/vboxguest/vboxguest_utils.c index 0f0dab8023cf..bf4474214b4d 100644 --- a/drivers/virt/vboxguest/vboxguest_utils.c +++ b/drivers/virt/vboxguest/vboxguest_utils.c @@ -65,8 +65,9 @@ VBG_LOG(vbg_debug, pr_debug); void *vbg_req_alloc(size_t len, enum vmmdev_request_type req_type) { struct vmmdev_request_header *req; + int order = get_order(PAGE_ALIGN(len)); - req = kmalloc(len, GFP_KERNEL | __GFP_DMA32); + req = (void *)__get_free_pages(GFP_KERNEL | GFP_DMA32, order); if (!req) return NULL; @@ -82,6 +83,14 @@ void *vbg_req_alloc(size_t len, enum vmmdev_request_type req_type) return req; } +void vbg_req_free(void *req, size_t len) +{ + if (!req) + return; + + free_pages((unsigned long)req, get_order(PAGE_ALIGN(len))); +} + /* Note this function returns a VBox status code, not a negative errno!! */ int vbg_req_perform(struct vbg_dev *gdev, void *req) { @@ -137,7 +146,7 @@ int vbg_hgcm_connect(struct vbg_dev *gdev, rc = hgcm_connect->header.result; } - kfree(hgcm_connect); + vbg_req_free(hgcm_connect, sizeof(*hgcm_connect)); *vbox_status = rc; return 0; @@ -166,7 +175,7 @@ int vbg_hgcm_disconnect(struct vbg_dev *gdev, u32 client_id, int *vbox_status) if (rc >= 0) rc = hgcm_disconnect->header.result; - kfree(hgcm_disconnect); + vbg_req_free(hgcm_disconnect, sizeof(*hgcm_disconnect)); *vbox_status = rc; return 0; @@ -623,7 +632,7 @@ int vbg_hgcm_call(struct vbg_dev *gdev, u32 client_id, u32 function, } if (!leak_it) - kfree(call); + vbg_req_free(call, size); free_bounce_bufs: if (bounce_bufs) { diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c index 7e72348639e4..315f7e63e7cc 100644 --- a/fs/ceph/xattr.c +++ b/fs/ceph/xattr.c @@ -228,7 +228,15 @@ static size_t ceph_vxattrcb_dir_rctime(struct ceph_inode_info *ci, char *val, static bool ceph_vxattrcb_quota_exists(struct ceph_inode_info *ci) { - return (ci->i_max_files || ci->i_max_bytes); + bool ret = false; + spin_lock(&ci->i_ceph_lock); + if ((ci->i_max_files || ci->i_max_bytes) && + ci->i_vino.snap == CEPH_NOSNAP && + ci->i_snap_realm && + ci->i_snap_realm->ino == ci->i_vino.ino) + ret = true; + spin_unlock(&ci->i_ceph_lock); + return ret; } static size_t ceph_vxattrcb_quota(struct ceph_inode_info *ci, char *val, @@ -1008,14 +1016,19 @@ int __ceph_setxattr(struct inode *inode, const char *name, char *newval = NULL; struct ceph_inode_xattr *xattr = NULL; int required_blob_size; + bool check_realm = false; bool lock_snap_rwsem = false; if (ceph_snap(inode) != CEPH_NOSNAP) return -EROFS; vxattr = ceph_match_vxattr(inode, name); - if (vxattr && vxattr->readonly) - return -EOPNOTSUPP; + if (vxattr) { + if (vxattr->readonly) + return -EOPNOTSUPP; + if (value && !strncmp(vxattr->name, "ceph.quota", 10)) + check_realm = true; + } /* pass any unhandled ceph.* xattrs through to the MDS */ if (!strncmp(name, XATTR_CEPH_PREFIX, XATTR_CEPH_PREFIX_LEN)) @@ -1109,6 +1122,15 @@ do_sync_unlocked: err = -EBUSY; } else { err = ceph_sync_setxattr(inode, name, value, size, flags); + if (err >= 0 && check_realm) { + /* check if snaprealm was created for quota inode */ + spin_lock(&ci->i_ceph_lock); + if ((ci->i_max_files || ci->i_max_bytes) && + !(ci->i_snap_realm && + ci->i_snap_realm->ino == ci->i_vino.ino)) + err = -EOPNOTSUPP; + spin_unlock(&ci->i_ceph_lock); + } } out: ceph_free_cap_flush(prealloc_cf); diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 6d3e40d7029c..1529a088383d 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -455,6 +455,9 @@ cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required) server->sign = true; } + if (cifs_rdma_enabled(server) && server->sign) + cifs_dbg(VFS, "Signing is enabled, and RDMA read/write will be disabled"); + return 0; } diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index e8830f076a7f..a5aa158d535a 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -2959,6 +2959,22 @@ cifs_get_tcon(struct cifs_ses *ses, struct smb_vol *volume_info) } } + if (volume_info->seal) { + if (ses->server->vals->protocol_id == 0) { + cifs_dbg(VFS, + "SMB3 or later required for encryption\n"); + rc = -EOPNOTSUPP; + goto out_fail; + } else if (tcon->ses->server->capabilities & + SMB2_GLOBAL_CAP_ENCRYPTION) + tcon->seal = true; + else { + cifs_dbg(VFS, "Encryption is not supported on share\n"); + rc = -EOPNOTSUPP; + goto out_fail; + } + } + /* * BB Do we need to wrap session_mutex around this TCon call and Unix * SetFS as we do on SessSetup and reconnect? @@ -3007,22 +3023,6 @@ cifs_get_tcon(struct cifs_ses *ses, struct smb_vol *volume_info) tcon->use_resilient = true; } - if (volume_info->seal) { - if (ses->server->vals->protocol_id == 0) { - cifs_dbg(VFS, - "SMB3 or later required for encryption\n"); - rc = -EOPNOTSUPP; - goto out_fail; - } else if (tcon->ses->server->capabilities & - SMB2_GLOBAL_CAP_ENCRYPTION) - tcon->seal = true; - else { - cifs_dbg(VFS, "Encryption is not supported on share\n"); - rc = -EOPNOTSUPP; - goto out_fail; - } - } - /* * We can have only one retry value for a connection to a share so for * resources mounted more than once to the same server share the last diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index 38ebf3f357d2..b76b85881dcc 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -252,9 +252,14 @@ smb2_negotiate_wsize(struct cifs_tcon *tcon, struct smb_vol *volume_info) wsize = volume_info->wsize ? volume_info->wsize : CIFS_DEFAULT_IOSIZE; wsize = min_t(unsigned int, wsize, server->max_write); #ifdef CONFIG_CIFS_SMB_DIRECT - if (server->rdma) - wsize = min_t(unsigned int, + if (server->rdma) { + if (server->sign) + wsize = min_t(unsigned int, + wsize, server->smbd_conn->max_fragmented_send_size); + else + wsize = min_t(unsigned int, wsize, server->smbd_conn->max_readwrite_size); + } #endif if (!(server->capabilities & SMB2_GLOBAL_CAP_LARGE_MTU)) wsize = min_t(unsigned int, wsize, SMB2_MAX_BUFFER_SIZE); @@ -272,9 +277,14 @@ smb2_negotiate_rsize(struct cifs_tcon *tcon, struct smb_vol *volume_info) rsize = volume_info->rsize ? volume_info->rsize : CIFS_DEFAULT_IOSIZE; rsize = min_t(unsigned int, rsize, server->max_read); #ifdef CONFIG_CIFS_SMB_DIRECT - if (server->rdma) - rsize = min_t(unsigned int, + if (server->rdma) { + if (server->sign) + rsize = min_t(unsigned int, + rsize, server->smbd_conn->max_fragmented_recv_size); + else + rsize = min_t(unsigned int, rsize, server->smbd_conn->max_readwrite_size); + } #endif if (!(server->capabilities & SMB2_GLOBAL_CAP_LARGE_MTU)) diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 0f044c4a2dc9..60db51bae0e3 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -383,10 +383,10 @@ static void build_encrypt_ctxt(struct smb2_encryption_neg_context *pneg_ctxt) { pneg_ctxt->ContextType = SMB2_ENCRYPTION_CAPABILITIES; - pneg_ctxt->DataLength = cpu_to_le16(6); - pneg_ctxt->CipherCount = cpu_to_le16(2); - pneg_ctxt->Ciphers[0] = SMB2_ENCRYPTION_AES128_GCM; - pneg_ctxt->Ciphers[1] = SMB2_ENCRYPTION_AES128_CCM; + pneg_ctxt->DataLength = cpu_to_le16(4); /* Cipher Count + le16 cipher */ + pneg_ctxt->CipherCount = cpu_to_le16(1); +/* pneg_ctxt->Ciphers[0] = SMB2_ENCRYPTION_AES128_GCM;*/ /* not supported yet */ + pneg_ctxt->Ciphers[0] = SMB2_ENCRYPTION_AES128_CCM; } static void @@ -444,6 +444,7 @@ static int decode_encrypt_ctx(struct TCP_Server_Info *server, return -EINVAL; } server->cipher_type = ctxt->Ciphers[0]; + server->capabilities |= SMB2_GLOBAL_CAP_ENCRYPTION; return 0; } @@ -2590,7 +2591,7 @@ smb2_new_read_req(void **buf, unsigned int *total_len, * If we want to do a RDMA write, fill in and append * smbd_buffer_descriptor_v1 to the end of read request */ - if (server->rdma && rdata && + if (server->rdma && rdata && !server->sign && rdata->bytes >= server->smbd_conn->rdma_readwrite_threshold) { struct smbd_buffer_descriptor_v1 *v1; @@ -2968,7 +2969,7 @@ smb2_async_writev(struct cifs_writedata *wdata, * If we want to do a server RDMA read, fill in and append * smbd_buffer_descriptor_v1 to the end of write request */ - if (server->rdma && wdata->bytes >= + if (server->rdma && !server->sign && wdata->bytes >= server->smbd_conn->rdma_readwrite_threshold) { struct smbd_buffer_descriptor_v1 *v1; diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h index 6093e5142b2b..d28f358022c5 100644 --- a/fs/cifs/smb2pdu.h +++ b/fs/cifs/smb2pdu.h @@ -297,7 +297,7 @@ struct smb2_encryption_neg_context { __le16 DataLength; __le32 Reserved; __le16 CipherCount; /* AES-128-GCM and AES-128-CCM */ - __le16 Ciphers[2]; /* Ciphers[0] since only one used now */ + __le16 Ciphers[1]; /* Ciphers[0] since only one used now */ } __packed; struct smb2_negotiate_rsp { diff --git a/fs/cifs/smbdirect.c b/fs/cifs/smbdirect.c index 87817ddcc096..c62f7c95683c 100644 --- a/fs/cifs/smbdirect.c +++ b/fs/cifs/smbdirect.c @@ -2086,7 +2086,7 @@ int smbd_send(struct smbd_connection *info, struct smb_rqst *rqst) int start, i, j; int max_iov_size = info->max_send_size - sizeof(struct smbd_data_transfer); - struct kvec iov[SMBDIRECT_MAX_SGE]; + struct kvec *iov; int rc; info->smbd_send_pending++; @@ -2096,32 +2096,20 @@ int smbd_send(struct smbd_connection *info, struct smb_rqst *rqst) } /* - * This usually means a configuration error - * We use RDMA read/write for packet size > rdma_readwrite_threshold - * as long as it's properly configured we should never get into this - * situation - */ - if (rqst->rq_nvec + rqst->rq_npages > SMBDIRECT_MAX_SGE) { - log_write(ERR, "maximum send segment %x exceeding %x\n", - rqst->rq_nvec + rqst->rq_npages, SMBDIRECT_MAX_SGE); - rc = -EINVAL; - goto done; - } - - /* - * Remove the RFC1002 length defined in MS-SMB2 section 2.1 - * It is used only for TCP transport + * Skip the RFC1002 length defined in MS-SMB2 section 2.1 + * It is used only for TCP transport in the iov[0] * In future we may want to add a transport layer under protocol * layer so this will only be issued to TCP transport */ - iov[0].iov_base = (char *)rqst->rq_iov[0].iov_base + 4; - iov[0].iov_len = rqst->rq_iov[0].iov_len - 4; - buflen += iov[0].iov_len; + + if (rqst->rq_iov[0].iov_len != 4) { + log_write(ERR, "expected the pdu length in 1st iov, but got %zu\n", rqst->rq_iov[0].iov_len); + return -EINVAL; + } + iov = &rqst->rq_iov[1]; /* total up iov array first */ - for (i = 1; i < rqst->rq_nvec; i++) { - iov[i].iov_base = rqst->rq_iov[i].iov_base; - iov[i].iov_len = rqst->rq_iov[i].iov_len; + for (i = 0; i < rqst->rq_nvec-1; i++) { buflen += iov[i].iov_len; } @@ -2198,14 +2186,14 @@ int smbd_send(struct smbd_connection *info, struct smb_rqst *rqst) goto done; } i++; - if (i == rqst->rq_nvec) + if (i == rqst->rq_nvec-1) break; } start = i; buflen = 0; } else { i++; - if (i == rqst->rq_nvec) { + if (i == rqst->rq_nvec-1) { /* send out all remaining vecs */ remaining_data_length -= buflen; log_write(INFO, diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c index 8f6f25918229..927226a2122f 100644 --- a/fs/cifs/transport.c +++ b/fs/cifs/transport.c @@ -753,7 +753,7 @@ cifs_send_recv(const unsigned int xid, struct cifs_ses *ses, goto out; #ifdef CONFIG_CIFS_SMB311 - if (ses->status == CifsNew) + if ((ses->status == CifsNew) || (optype & CIFS_NEG_OP)) smb311_update_preauth_hash(ses, rqst->rq_iov+1, rqst->rq_nvec-1); #endif @@ -798,7 +798,7 @@ cifs_send_recv(const unsigned int xid, struct cifs_ses *ses, *resp_buf_type = CIFS_SMALL_BUFFER; #ifdef CONFIG_CIFS_SMB311 - if (ses->status == CifsNew) { + if ((ses->status == CifsNew) || (optype & CIFS_NEG_OP)) { struct kvec iov = { .iov_base = buf + 4, .iov_len = get_rfc1002_length(buf) @@ -834,8 +834,11 @@ SendReceive2(const unsigned int xid, struct cifs_ses *ses, if (n_vec + 1 > CIFS_MAX_IOV_SIZE) { new_iov = kmalloc(sizeof(struct kvec) * (n_vec + 1), GFP_KERNEL); - if (!new_iov) + if (!new_iov) { + /* otherwise cifs_send_recv below sets resp_buf_type */ + *resp_buf_type = CIFS_NO_BUFFER; return -ENOMEM; + } } else new_iov = s_iov; diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c index a33d8fb1bf2a..508b905d744d 100644 --- a/fs/ext4/balloc.c +++ b/fs/ext4/balloc.c @@ -321,6 +321,7 @@ static ext4_fsblk_t ext4_valid_block_bitmap(struct super_block *sb, struct ext4_sb_info *sbi = EXT4_SB(sb); ext4_grpblk_t offset; ext4_grpblk_t next_zero_bit; + ext4_grpblk_t max_bit = EXT4_CLUSTERS_PER_GROUP(sb); ext4_fsblk_t blk; ext4_fsblk_t group_first_block; @@ -338,7 +339,7 @@ static ext4_fsblk_t ext4_valid_block_bitmap(struct super_block *sb, /* check whether block bitmap block number is set */ blk = ext4_block_bitmap(sb, desc); offset = blk - group_first_block; - if (offset < 0 || EXT4_B2C(sbi, offset) >= sb->s_blocksize || + if (offset < 0 || EXT4_B2C(sbi, offset) >= max_bit || !ext4_test_bit(EXT4_B2C(sbi, offset), bh->b_data)) /* bad block bitmap */ return blk; @@ -346,7 +347,7 @@ static ext4_fsblk_t ext4_valid_block_bitmap(struct super_block *sb, /* check whether the inode bitmap block number is set */ blk = ext4_inode_bitmap(sb, desc); offset = blk - group_first_block; - if (offset < 0 || EXT4_B2C(sbi, offset) >= sb->s_blocksize || + if (offset < 0 || EXT4_B2C(sbi, offset) >= max_bit || !ext4_test_bit(EXT4_B2C(sbi, offset), bh->b_data)) /* bad block bitmap */ return blk; @@ -354,8 +355,8 @@ static ext4_fsblk_t ext4_valid_block_bitmap(struct super_block *sb, /* check whether the inode table block number is set */ blk = ext4_inode_table(sb, desc); offset = blk - group_first_block; - if (offset < 0 || EXT4_B2C(sbi, offset) >= sb->s_blocksize || - EXT4_B2C(sbi, offset + sbi->s_itb_per_group) >= sb->s_blocksize) + if (offset < 0 || EXT4_B2C(sbi, offset) >= max_bit || + EXT4_B2C(sbi, offset + sbi->s_itb_per_group) >= max_bit) return blk; next_zero_bit = ext4_find_next_zero_bit(bh->b_data, EXT4_B2C(sbi, offset + sbi->s_itb_per_group), diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index 0a7315961bac..c969275ce3ee 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -5329,8 +5329,9 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle, stop = le32_to_cpu(extent->ee_block); /* - * In case of left shift, Don't start shifting extents until we make - * sure the hole is big enough to accommodate the shift. + * For left shifts, make sure the hole on the left is big enough to + * accommodate the shift. For right shifts, make sure the last extent + * won't be shifted beyond EXT_MAX_BLOCKS. */ if (SHIFT == SHIFT_LEFT) { path = ext4_find_extent(inode, start - 1, &path, @@ -5350,9 +5351,14 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle, if ((start == ex_start && shift > ex_start) || (shift > start - ex_end)) { - ext4_ext_drop_refs(path); - kfree(path); - return -EINVAL; + ret = -EINVAL; + goto out; + } + } else { + if (shift > EXT_MAX_BLOCKS - + (stop + ext4_ext_get_actual_len(extent))) { + ret = -EINVAL; + goto out; } } diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 185f7e61f4cf..eb104e8476f0 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -5886,5 +5886,6 @@ static void __exit ext4_exit_fs(void) MODULE_AUTHOR("Remy Card, Stephen Tweedie, Andrew Morton, Andreas Dilger, Theodore Ts'o and others"); MODULE_DESCRIPTION("Fourth Extended Filesystem"); MODULE_LICENSE("GPL"); +MODULE_SOFTDEP("pre: crc32c"); module_init(ext4_init_fs) module_exit(ext4_exit_fs) diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c index ac311037d7a5..8aa453784402 100644 --- a/fs/jbd2/transaction.c +++ b/fs/jbd2/transaction.c @@ -532,6 +532,7 @@ int jbd2_journal_start_reserved(handle_t *handle, unsigned int type, */ ret = start_this_handle(journal, handle, GFP_NOFS); if (ret < 0) { + handle->h_journal = journal; jbd2_journal_free_reserved(handle); return ret; } diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 278841c75b97..af240573e482 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -188,7 +188,7 @@ #endif #ifdef CONFIG_SERIAL_EARLYCON -#define EARLYCON_TABLE() STRUCT_ALIGN(); \ +#define EARLYCON_TABLE() . = ALIGN(8); \ VMLINUX_SYMBOL(__earlycon_table) = .; \ KEEP(*(__earlycon_table)) \ VMLINUX_SYMBOL(__earlycon_table_end) = .; diff --git a/include/kvm/arm_psci.h b/include/kvm/arm_psci.h index e518e4e3dfb5..4b1548129fa2 100644 --- a/include/kvm/arm_psci.h +++ b/include/kvm/arm_psci.h @@ -37,10 +37,15 @@ static inline int kvm_psci_version(struct kvm_vcpu *vcpu, struct kvm *kvm) * Our PSCI implementation stays the same across versions from * v0.2 onward, only adding the few mandatory functions (such * as FEATURES with 1.0) that are required by newer - * revisions. It is thus safe to return the latest. + * revisions. It is thus safe to return the latest, unless + * userspace has instructed us otherwise. */ - if (test_bit(KVM_ARM_VCPU_PSCI_0_2, vcpu->arch.features)) + if (test_bit(KVM_ARM_VCPU_PSCI_0_2, vcpu->arch.features)) { + if (vcpu->kvm->arch.psci_version) + return vcpu->kvm->arch.psci_version; + return KVM_ARM_PSCI_LATEST; + } return KVM_ARM_PSCI_0_1; } @@ -48,4 +53,11 @@ static inline int kvm_psci_version(struct kvm_vcpu *vcpu, struct kvm *kvm) int kvm_hvc_call_handler(struct kvm_vcpu *vcpu); +struct kvm_one_reg; + +int kvm_arm_get_fw_num_regs(struct kvm_vcpu *vcpu); +int kvm_arm_copy_fw_reg_indices(struct kvm_vcpu *vcpu, u64 __user *uindices); +int kvm_arm_get_fw_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg); +int kvm_arm_set_fw_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg); + #endif /* __KVM_ARM_PSCI_H__ */ diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index e3986f4b3461..ebc34a5686dc 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -9,6 +9,9 @@ struct blk_mq_tags; struct blk_flush_queue; +/** + * struct blk_mq_hw_ctx - State for a hardware queue facing the hardware block device + */ struct blk_mq_hw_ctx { struct { spinlock_t lock; diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 9af3e0f430bc..5c4eee043191 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -605,6 +605,11 @@ struct request_queue { * initialized by the low level device driver (e.g. scsi/sd.c). * Stacking drivers (device mappers) may or may not initialize * these fields. + * + * Reads of this information must be protected with blk_queue_enter() / + * blk_queue_exit(). Modifying this information is only allowed while + * no requests are being processed. See also blk_mq_freeze_queue() and + * blk_mq_unfreeze_queue(). */ unsigned int nr_zones; unsigned long *seq_zones_bitmap; @@ -737,6 +742,7 @@ bool blk_queue_flag_test_and_clear(unsigned int flag, struct request_queue *q); #define blk_queue_quiesced(q) test_bit(QUEUE_FLAG_QUIESCED, &(q)->queue_flags) #define blk_queue_preempt_only(q) \ test_bit(QUEUE_FLAG_PREEMPT_ONLY, &(q)->queue_flags) +#define blk_queue_fua(q) test_bit(QUEUE_FLAG_FUA, &(q)->queue_flags) extern int blk_set_preempt_only(struct request_queue *q); extern void blk_clear_preempt_only(struct request_queue *q); diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 95a7abd0ee92..486e65e3db26 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -339,8 +339,8 @@ int bpf_prog_array_copy_to_user(struct bpf_prog_array __rcu *progs, void bpf_prog_array_delete_safe(struct bpf_prog_array __rcu *progs, struct bpf_prog *old_prog); int bpf_prog_array_copy_info(struct bpf_prog_array __rcu *array, - __u32 __user *prog_ids, u32 request_cnt, - __u32 __user *prog_cnt); + u32 *prog_ids, u32 request_cnt, + u32 *prog_cnt); int bpf_prog_array_copy(struct bpf_prog_array __rcu *old_array, struct bpf_prog *exclude_prog, struct bpf_prog *include_prog, diff --git a/include/linux/device.h b/include/linux/device.h index 0059b99e1f25..477956990f5e 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -256,7 +256,9 @@ enum probe_type { * automatically. * @pm: Power management operations of the device which matched * this driver. - * @coredump: Called through sysfs to initiate a device coredump. + * @coredump: Called when sysfs entry is written to. The device driver + * is expected to call the dev_coredump API resulting in a + * uevent. * @p: Driver core's private data, no one other than the driver * core can touch this. * @@ -288,7 +290,7 @@ struct device_driver { const struct attribute_group **groups; const struct dev_pm_ops *pm; - int (*coredump) (struct device *dev); + void (*coredump) (struct device *dev); struct driver_private *p; }; diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index ebe41811ed34..b32cd2062f18 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -310,6 +310,8 @@ bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32, * fields should be ignored (use %__ETHTOOL_LINK_MODE_MASK_NBITS * instead of the latter), any change to them will be overwritten * by kernel. Returns a negative error code or zero. + * @get_fecparam: Get the network device Forward Error Correction parameters. + * @set_fecparam: Set the network device Forward Error Correction parameters. * * All operations are optional (i.e. the function pointer may be set * to %NULL) and callers must take this into account. Callers must diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h index e0c95c9f1e29..e64c0294f50b 100644 --- a/include/linux/fsnotify_backend.h +++ b/include/linux/fsnotify_backend.h @@ -217,12 +217,10 @@ struct fsnotify_mark_connector { union { /* Object pointer [lock] */ struct inode *inode; struct vfsmount *mnt; - }; - union { - struct hlist_head list; /* Used listing heads to free after srcu period expires */ struct fsnotify_mark_connector *destroy_next; }; + struct hlist_head list; }; /* diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index a2656c3ebe81..3892e9c8b2de 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -161,9 +161,11 @@ struct hrtimer_clock_base { enum hrtimer_base_type { HRTIMER_BASE_MONOTONIC, HRTIMER_BASE_REALTIME, + HRTIMER_BASE_BOOTTIME, HRTIMER_BASE_TAI, HRTIMER_BASE_MONOTONIC_SOFT, HRTIMER_BASE_REALTIME_SOFT, + HRTIMER_BASE_BOOTTIME_SOFT, HRTIMER_BASE_TAI_SOFT, HRTIMER_MAX_CLOCK_BASES, }; diff --git a/include/linux/mtd/flashchip.h b/include/linux/mtd/flashchip.h index b63fa457febd..3529683f691e 100644 --- a/include/linux/mtd/flashchip.h +++ b/include/linux/mtd/flashchip.h @@ -85,6 +85,7 @@ struct flchip { unsigned int write_suspended:1; unsigned int erase_suspended:1; unsigned long in_progress_block_addr; + unsigned long in_progress_block_mask; struct mutex mutex; wait_queue_head_t wq; /* Wait on here when we're waiting for the chip diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 1d356105f25a..b4c9fda9d833 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -351,10 +351,10 @@ struct earlycon_id { char name[16]; char compatible[128]; int (*setup)(struct earlycon_device *, const char *options); -} __aligned(32); +}; -extern const struct earlycon_id __earlycon_table[]; -extern const struct earlycon_id __earlycon_table_end[]; +extern const struct earlycon_id *__earlycon_table[]; +extern const struct earlycon_id *__earlycon_table_end[]; #if defined(CONFIG_SERIAL_EARLYCON) && !defined(MODULE) #define EARLYCON_USED_OR_UNUSED __used @@ -362,12 +362,19 @@ extern const struct earlycon_id __earlycon_table_end[]; #define EARLYCON_USED_OR_UNUSED __maybe_unused #endif -#define OF_EARLYCON_DECLARE(_name, compat, fn) \ - static const struct earlycon_id __UNIQUE_ID(__earlycon_##_name) \ - EARLYCON_USED_OR_UNUSED __section(__earlycon_table) \ +#define _OF_EARLYCON_DECLARE(_name, compat, fn, unique_id) \ + static const struct earlycon_id unique_id \ + EARLYCON_USED_OR_UNUSED __initconst \ = { .name = __stringify(_name), \ .compatible = compat, \ - .setup = fn } + .setup = fn }; \ + static const struct earlycon_id EARLYCON_USED_OR_UNUSED \ + __section(__earlycon_table) \ + * const __PASTE(__p, unique_id) = &unique_id + +#define OF_EARLYCON_DECLARE(_name, compat, fn) \ + _OF_EARLYCON_DECLARE(_name, compat, fn, \ + __UNIQUE_ID(__earlycon_##_name)) #define EARLYCON_DECLARE(_name, fn) OF_EARLYCON_DECLARE(_name, "", fn) diff --git a/include/linux/stringhash.h b/include/linux/stringhash.h index e8f0f852968f..c0c5c5b73dc0 100644 --- a/include/linux/stringhash.h +++ b/include/linux/stringhash.h @@ -50,9 +50,9 @@ partial_name_hash(unsigned long c, unsigned long prevhash) * losing bits). This also has the property (wanted by the dcache) * that the msbits make a good hash table index. */ -static inline unsigned long end_name_hash(unsigned long hash) +static inline unsigned int end_name_hash(unsigned long hash) { - return __hash_32((unsigned int)hash); + return hash_long(hash, 32); } /* diff --git a/include/linux/ti-emif-sram.h b/include/linux/ti-emif-sram.h index 45bc6b376492..53604b087f2c 100644 --- a/include/linux/ti-emif-sram.h +++ b/include/linux/ti-emif-sram.h @@ -60,6 +60,81 @@ struct ti_emif_pm_functions { u32 abort_sr; } __packed __aligned(8); +static inline void ti_emif_asm_offsets(void) +{ + DEFINE(EMIF_SDCFG_VAL_OFFSET, + offsetof(struct emif_regs_amx3, emif_sdcfg_val)); + DEFINE(EMIF_TIMING1_VAL_OFFSET, + offsetof(struct emif_regs_amx3, emif_timing1_val)); + DEFINE(EMIF_TIMING2_VAL_OFFSET, + offsetof(struct emif_regs_amx3, emif_timing2_val)); + DEFINE(EMIF_TIMING3_VAL_OFFSET, + offsetof(struct emif_regs_amx3, emif_timing3_val)); + DEFINE(EMIF_REF_CTRL_VAL_OFFSET, + offsetof(struct emif_regs_amx3, emif_ref_ctrl_val)); + DEFINE(EMIF_ZQCFG_VAL_OFFSET, + offsetof(struct emif_regs_amx3, emif_zqcfg_val)); + DEFINE(EMIF_PMCR_VAL_OFFSET, + offsetof(struct emif_regs_amx3, emif_pmcr_val)); + DEFINE(EMIF_PMCR_SHDW_VAL_OFFSET, + offsetof(struct emif_regs_amx3, emif_pmcr_shdw_val)); + DEFINE(EMIF_RD_WR_LEVEL_RAMP_CTRL_OFFSET, + offsetof(struct emif_regs_amx3, emif_rd_wr_level_ramp_ctrl)); + DEFINE(EMIF_RD_WR_EXEC_THRESH_OFFSET, + offsetof(struct emif_regs_amx3, emif_rd_wr_exec_thresh)); + DEFINE(EMIF_COS_CONFIG_OFFSET, + offsetof(struct emif_regs_amx3, emif_cos_config)); + DEFINE(EMIF_PRIORITY_TO_COS_MAPPING_OFFSET, + offsetof(struct emif_regs_amx3, emif_priority_to_cos_mapping)); + DEFINE(EMIF_CONNECT_ID_SERV_1_MAP_OFFSET, + offsetof(struct emif_regs_amx3, emif_connect_id_serv_1_map)); + DEFINE(EMIF_CONNECT_ID_SERV_2_MAP_OFFSET, + offsetof(struct emif_regs_amx3, emif_connect_id_serv_2_map)); + DEFINE(EMIF_OCP_CONFIG_VAL_OFFSET, + offsetof(struct emif_regs_amx3, emif_ocp_config_val)); + DEFINE(EMIF_LPDDR2_NVM_TIM_OFFSET, + offsetof(struct emif_regs_amx3, emif_lpddr2_nvm_tim)); + DEFINE(EMIF_LPDDR2_NVM_TIM_SHDW_OFFSET, + offsetof(struct emif_regs_amx3, emif_lpddr2_nvm_tim_shdw)); + DEFINE(EMIF_DLL_CALIB_CTRL_VAL_OFFSET, + offsetof(struct emif_regs_amx3, emif_dll_calib_ctrl_val)); + DEFINE(EMIF_DLL_CALIB_CTRL_VAL_SHDW_OFFSET, + offsetof(struct emif_regs_amx3, emif_dll_calib_ctrl_val_shdw)); + DEFINE(EMIF_DDR_PHY_CTLR_1_OFFSET, + offsetof(struct emif_regs_amx3, emif_ddr_phy_ctlr_1)); + DEFINE(EMIF_EXT_PHY_CTRL_VALS_OFFSET, + offsetof(struct emif_regs_amx3, emif_ext_phy_ctrl_vals)); + DEFINE(EMIF_REGS_AMX3_SIZE, sizeof(struct emif_regs_amx3)); + + BLANK(); + + DEFINE(EMIF_PM_BASE_ADDR_VIRT_OFFSET, + offsetof(struct ti_emif_pm_data, ti_emif_base_addr_virt)); + DEFINE(EMIF_PM_BASE_ADDR_PHYS_OFFSET, + offsetof(struct ti_emif_pm_data, ti_emif_base_addr_phys)); + DEFINE(EMIF_PM_CONFIG_OFFSET, + offsetof(struct ti_emif_pm_data, ti_emif_sram_config)); + DEFINE(EMIF_PM_REGS_VIRT_OFFSET, + offsetof(struct ti_emif_pm_data, regs_virt)); + DEFINE(EMIF_PM_REGS_PHYS_OFFSET, + offsetof(struct ti_emif_pm_data, regs_phys)); + DEFINE(EMIF_PM_DATA_SIZE, sizeof(struct ti_emif_pm_data)); + + BLANK(); + + DEFINE(EMIF_PM_SAVE_CONTEXT_OFFSET, + offsetof(struct ti_emif_pm_functions, save_context)); + DEFINE(EMIF_PM_RESTORE_CONTEXT_OFFSET, + offsetof(struct ti_emif_pm_functions, restore_context)); + DEFINE(EMIF_PM_ENTER_SR_OFFSET, + offsetof(struct ti_emif_pm_functions, enter_sr)); + DEFINE(EMIF_PM_EXIT_SR_OFFSET, + offsetof(struct ti_emif_pm_functions, exit_sr)); + DEFINE(EMIF_PM_ABORT_SR_OFFSET, + offsetof(struct ti_emif_pm_functions, abort_sr)); + DEFINE(EMIF_PM_FUNCTIONS_SIZE, sizeof(struct ti_emif_pm_functions)); +} + struct gen_pool; int ti_emif_copy_pm_function_table(struct gen_pool *sram_pool, void *dst); diff --git a/include/linux/timekeeper_internal.h b/include/linux/timekeeper_internal.h index 4b3dca173e89..7acb953298a7 100644 --- a/include/linux/timekeeper_internal.h +++ b/include/linux/timekeeper_internal.h @@ -52,7 +52,6 @@ struct tk_read_base { * @offs_real: Offset clock monotonic -> clock realtime * @offs_boot: Offset clock monotonic -> clock boottime * @offs_tai: Offset clock monotonic -> clock tai - * @time_suspended: Accumulated suspend time * @tai_offset: The current UTC to TAI offset in seconds * @clock_was_set_seq: The sequence number of clock was set events * @cs_was_changed_seq: The sequence number of clocksource change events @@ -95,7 +94,6 @@ struct timekeeper { ktime_t offs_real; ktime_t offs_boot; ktime_t offs_tai; - ktime_t time_suspended; s32 tai_offset; unsigned int clock_was_set_seq; u8 cs_was_changed_seq; diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h index 9737fbec7019..588a0e4b1ab9 100644 --- a/include/linux/timekeeping.h +++ b/include/linux/timekeeping.h @@ -33,25 +33,20 @@ extern void ktime_get_ts64(struct timespec64 *ts); extern time64_t ktime_get_seconds(void); extern time64_t __ktime_get_real_seconds(void); extern time64_t ktime_get_real_seconds(void); -extern void ktime_get_active_ts64(struct timespec64 *ts); extern int __getnstimeofday64(struct timespec64 *tv); extern void getnstimeofday64(struct timespec64 *tv); extern void getboottime64(struct timespec64 *ts); -#define ktime_get_real_ts64(ts) getnstimeofday64(ts) - -/* Clock BOOTTIME compatibility wrappers */ -static inline void get_monotonic_boottime64(struct timespec64 *ts) -{ - ktime_get_ts64(ts); -} +#define ktime_get_real_ts64(ts) getnstimeofday64(ts) /* * ktime_t based interfaces */ + enum tk_offsets { TK_OFFS_REAL, + TK_OFFS_BOOT, TK_OFFS_TAI, TK_OFFS_MAX, }; @@ -62,10 +57,6 @@ extern ktime_t ktime_mono_to_any(ktime_t tmono, enum tk_offsets offs); extern ktime_t ktime_get_raw(void); extern u32 ktime_get_resolution_ns(void); -/* Clock BOOTTIME compatibility wrappers */ -static inline ktime_t ktime_get_boottime(void) { return ktime_get(); } -static inline u64 ktime_get_boot_ns(void) { return ktime_get(); } - /** * ktime_get_real - get the real (wall-) time in ktime_t format */ @@ -75,6 +66,17 @@ static inline ktime_t ktime_get_real(void) } /** + * ktime_get_boottime - Returns monotonic time since boot in ktime_t format + * + * This is similar to CLOCK_MONTONIC/ktime_get, but also includes the + * time spent in suspend. + */ +static inline ktime_t ktime_get_boottime(void) +{ + return ktime_get_with_offset(TK_OFFS_BOOT); +} + +/** * ktime_get_clocktai - Returns the TAI time of day in ktime_t format */ static inline ktime_t ktime_get_clocktai(void) @@ -100,6 +102,11 @@ static inline u64 ktime_get_real_ns(void) return ktime_to_ns(ktime_get_real()); } +static inline u64 ktime_get_boot_ns(void) +{ + return ktime_to_ns(ktime_get_boottime()); +} + static inline u64 ktime_get_tai_ns(void) { return ktime_to_ns(ktime_get_clocktai()); @@ -112,11 +119,17 @@ static inline u64 ktime_get_raw_ns(void) extern u64 ktime_get_mono_fast_ns(void); extern u64 ktime_get_raw_fast_ns(void); +extern u64 ktime_get_boot_fast_ns(void); extern u64 ktime_get_real_fast_ns(void); /* * timespec64 interfaces utilizing the ktime based ones */ +static inline void get_monotonic_boottime64(struct timespec64 *ts) +{ + *ts = ktime_to_timespec64(ktime_get_boottime()); +} + static inline void timekeeping_clocktai64(struct timespec64 *ts) { *ts = ktime_to_timespec64(ktime_get_clocktai()); diff --git a/include/linux/tty.h b/include/linux/tty.h index 47f8af22f216..1dd587ba6d88 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -701,7 +701,7 @@ extern int tty_unregister_ldisc(int disc); extern int tty_set_ldisc(struct tty_struct *tty, int disc); extern int tty_ldisc_setup(struct tty_struct *tty, struct tty_struct *o_tty); extern void tty_ldisc_release(struct tty_struct *tty); -extern void tty_ldisc_init(struct tty_struct *tty); +extern int __must_check tty_ldisc_init(struct tty_struct *tty); extern void tty_ldisc_deinit(struct tty_struct *tty); extern int tty_ldisc_receive_buf(struct tty_ldisc *ld, const unsigned char *p, char *f, int count); diff --git a/include/linux/vbox_utils.h b/include/linux/vbox_utils.h index c71def6b310f..a240ed2a0372 100644 --- a/include/linux/vbox_utils.h +++ b/include/linux/vbox_utils.h @@ -24,24 +24,6 @@ __printf(1, 2) void vbg_debug(const char *fmt, ...); #define vbg_debug pr_debug #endif -/** - * Allocate memory for generic request and initialize the request header. - * - * Return: the allocated memory - * @len: Size of memory block required for the request. - * @req_type: The generic request type. - */ -void *vbg_req_alloc(size_t len, enum vmmdev_request_type req_type); - -/** - * Perform a generic request. - * - * Return: VBox status code - * @gdev: The Guest extension device. - * @req: Pointer to the request structure. - */ -int vbg_req_perform(struct vbg_dev *gdev, void *req); - int vbg_hgcm_connect(struct vbg_dev *gdev, struct vmmdev_hgcm_service_location *loc, u32 *client_id, int *vbox_status); @@ -52,11 +34,6 @@ int vbg_hgcm_call(struct vbg_dev *gdev, u32 client_id, u32 function, u32 timeout_ms, struct vmmdev_hgcm_function_parameter *parms, u32 parm_count, int *vbox_status); -int vbg_hgcm_call32( - struct vbg_dev *gdev, u32 client_id, u32 function, u32 timeout_ms, - struct vmmdev_hgcm_function_parameter32 *parm32, u32 parm_count, - int *vbox_status); - /** * Convert a VirtualBox status code to a standard Linux kernel return value. * Return: 0 or negative errno value. diff --git a/include/linux/virtio.h b/include/linux/virtio.h index 988c7355bc22..fa1b5da2804e 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -157,6 +157,9 @@ int virtio_device_freeze(struct virtio_device *dev); int virtio_device_restore(struct virtio_device *dev); #endif +#define virtio_device_for_each_vq(vdev, vq) \ + list_for_each_entry(vq, &vdev->vqs, list) + /** * virtio_driver - operations for a virtio I/O driver * @driver: underlying device driver (populate name and owner). diff --git a/include/net/ife.h b/include/net/ife.h index 44b9c00f7223..e117617e3c34 100644 --- a/include/net/ife.h +++ b/include/net/ife.h @@ -12,7 +12,8 @@ void *ife_encode(struct sk_buff *skb, u16 metalen); void *ife_decode(struct sk_buff *skb, u16 *metalen); -void *ife_tlv_meta_decode(void *skbdata, u16 *attrtype, u16 *dlen, u16 *totlen); +void *ife_tlv_meta_decode(void *skbdata, const void *ifehdr_end, u16 *attrtype, + u16 *dlen, u16 *totlen); int ife_tlv_meta_encode(void *skbdata, u16 attrtype, u16 dlen, const void *dval); diff --git a/include/net/llc_conn.h b/include/net/llc_conn.h index 5c40f118c0fa..df528a623548 100644 --- a/include/net/llc_conn.h +++ b/include/net/llc_conn.h @@ -97,6 +97,7 @@ static __inline__ char llc_backlog_type(struct sk_buff *skb) struct sock *llc_sk_alloc(struct net *net, int family, gfp_t priority, struct proto *prot, int kern); +void llc_sk_stop_all_timers(struct sock *sk, bool sync); void llc_sk_free(struct sock *sk); void llc_sk_reset(struct sock *sk); diff --git a/include/scsi/scsi_dbg.h b/include/scsi/scsi_dbg.h index 04e0679767f6..e03bd9d41fa8 100644 --- a/include/scsi/scsi_dbg.h +++ b/include/scsi/scsi_dbg.h @@ -11,8 +11,6 @@ struct scsi_sense_hdr; extern void scsi_print_command(struct scsi_cmnd *); extern size_t __scsi_format_command(char *, size_t, const unsigned char *, size_t); -extern void scsi_show_extd_sense(const struct scsi_device *, const char *, - unsigned char, unsigned char); extern void scsi_print_sense_hdr(const struct scsi_device *, const char *, const struct scsi_sense_hdr *); extern void scsi_print_sense(const struct scsi_cmnd *); diff --git a/include/soc/bcm2835/raspberrypi-firmware.h b/include/soc/bcm2835/raspberrypi-firmware.h index 50df5b28d2c9..8ee8991aa099 100644 --- a/include/soc/bcm2835/raspberrypi-firmware.h +++ b/include/soc/bcm2835/raspberrypi-firmware.h @@ -143,13 +143,13 @@ struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node); static inline int rpi_firmware_property(struct rpi_firmware *fw, u32 tag, void *data, size_t len) { - return 0; + return -ENOSYS; } static inline int rpi_firmware_property_list(struct rpi_firmware *fw, void *data, size_t tag_size) { - return 0; + return -ENOSYS; } static inline struct rpi_firmware *rpi_firmware_get(struct device_node *firmware_node) diff --git a/include/sound/control.h b/include/sound/control.h index ca13a44ae9d4..6011a58d3e20 100644 --- a/include/sound/control.h +++ b/include/sound/control.h @@ -23,6 +23,7 @@ */ #include <linux/wait.h> +#include <linux/nospec.h> #include <sound/asound.h> #define snd_kcontrol_chip(kcontrol) ((kcontrol)->private_data) @@ -148,12 +149,14 @@ int snd_ctl_get_preferred_subdevice(struct snd_card *card, int type); static inline unsigned int snd_ctl_get_ioffnum(struct snd_kcontrol *kctl, struct snd_ctl_elem_id *id) { - return id->numid - kctl->id.numid; + unsigned int ioff = id->numid - kctl->id.numid; + return array_index_nospec(ioff, kctl->count); } static inline unsigned int snd_ctl_get_ioffidx(struct snd_kcontrol *kctl, struct snd_ctl_elem_id *id) { - return id->index - kctl->id.index; + unsigned int ioff = id->index - kctl->id.index; + return array_index_nospec(ioff, kctl->count); } static inline unsigned int snd_ctl_get_ioff(struct snd_kcontrol *kctl, struct snd_ctl_elem_id *id) diff --git a/include/trace/events/ufs.h b/include/trace/events/ufs.h index bf6f82673492..f8260e5c79ad 100644 --- a/include/trace/events/ufs.h +++ b/include/trace/events/ufs.h @@ -257,6 +257,33 @@ TRACE_EVENT(ufshcd_command, ) ); +TRACE_EVENT(ufshcd_upiu, + TP_PROTO(const char *dev_name, const char *str, void *hdr, void *tsf), + + TP_ARGS(dev_name, str, hdr, tsf), + + TP_STRUCT__entry( + __string(dev_name, dev_name) + __string(str, str) + __array(unsigned char, hdr, 12) + __array(unsigned char, tsf, 16) + ), + + TP_fast_assign( + __assign_str(dev_name, dev_name); + __assign_str(str, str); + memcpy(__entry->hdr, hdr, sizeof(__entry->hdr)); + memcpy(__entry->tsf, tsf, sizeof(__entry->tsf)); + ), + + TP_printk( + "%s: %s: HDR:%s, CDB:%s", + __get_str(str), __get_str(dev_name), + __print_hex(__entry->hdr, sizeof(__entry->hdr)), + __print_hex(__entry->tsf, sizeof(__entry->tsf)) + ) +); + #endif /* if !defined(_TRACE_UFS_H) || defined(TRACE_HEADER_MULTI_READ) */ /* This part must be outside protection */ diff --git a/include/trace/events/workqueue.h b/include/trace/events/workqueue.h index 2f057a494d93..9a761bc6a251 100644 --- a/include/trace/events/workqueue.h +++ b/include/trace/events/workqueue.h @@ -25,6 +25,8 @@ DECLARE_EVENT_CLASS(workqueue_work, TP_printk("work struct %p", __entry->work) ); +struct pool_workqueue; + /** * workqueue_queue_work - called when a work gets queued * @req_cpu: the requested cpu diff --git a/include/uapi/linux/kvm.h b/include/uapi/linux/kvm.h index 1065006c9bf5..b02c41e53d56 100644 --- a/include/uapi/linux/kvm.h +++ b/include/uapi/linux/kvm.h @@ -676,6 +676,13 @@ struct kvm_ioeventfd { __u8 pad[36]; }; +#define KVM_X86_DISABLE_EXITS_MWAIT (1 << 0) +#define KVM_X86_DISABLE_EXITS_HTL (1 << 1) +#define KVM_X86_DISABLE_EXITS_PAUSE (1 << 2) +#define KVM_X86_DISABLE_VALID_EXITS (KVM_X86_DISABLE_EXITS_MWAIT | \ + KVM_X86_DISABLE_EXITS_HTL | \ + KVM_X86_DISABLE_EXITS_PAUSE) + /* for KVM_ENABLE_CAP */ struct kvm_enable_cap { /* in */ diff --git a/include/uapi/linux/sysctl.h b/include/uapi/linux/sysctl.h index 0f272818a4d2..6b58371b1f0d 100644 --- a/include/uapi/linux/sysctl.h +++ b/include/uapi/linux/sysctl.h @@ -780,24 +780,6 @@ enum { NET_BRIDGE_NF_FILTER_PPPOE_TAGGED = 5, }; -/* proc/sys/net/irda */ -enum { - NET_IRDA_DISCOVERY=1, - NET_IRDA_DEVNAME=2, - NET_IRDA_DEBUG=3, - NET_IRDA_FAST_POLL=4, - NET_IRDA_DISCOVERY_SLOTS=5, - NET_IRDA_DISCOVERY_TIMEOUT=6, - NET_IRDA_SLOT_TIMEOUT=7, - NET_IRDA_MAX_BAUD_RATE=8, - NET_IRDA_MIN_TX_TURN_TIME=9, - NET_IRDA_MAX_TX_DATA_SIZE=10, - NET_IRDA_MAX_TX_WINDOW=11, - NET_IRDA_MAX_NOREPLY_TIME=12, - NET_IRDA_WARN_NOREPLY_TIME=13, - NET_IRDA_LAP_KEEPALIVE_TIME=14, -}; - /* CTL_FS names: */ enum diff --git a/include/uapi/linux/time.h b/include/uapi/linux/time.h index 16a296612ba4..4c0338ea308a 100644 --- a/include/uapi/linux/time.h +++ b/include/uapi/linux/time.h @@ -73,7 +73,6 @@ struct __kernel_old_timeval { */ #define CLOCK_SGI_CYCLE 10 #define CLOCK_TAI 11 -#define CLOCK_MONOTONIC_ACTIVE 12 #define MAX_CLOCKS 16 #define CLOCKS_MASK (CLOCK_REALTIME | CLOCK_MONOTONIC) diff --git a/include/uapi/linux/virtio_balloon.h b/include/uapi/linux/virtio_balloon.h index 40297a3181ed..13b8cb563892 100644 --- a/include/uapi/linux/virtio_balloon.h +++ b/include/uapi/linux/virtio_balloon.h @@ -57,6 +57,21 @@ struct virtio_balloon_config { #define VIRTIO_BALLOON_S_HTLB_PGFAIL 9 /* Hugetlb page allocation failures */ #define VIRTIO_BALLOON_S_NR 10 +#define VIRTIO_BALLOON_S_NAMES_WITH_PREFIX(VIRTIO_BALLOON_S_NAMES_prefix) { \ + VIRTIO_BALLOON_S_NAMES_prefix "swap-in", \ + VIRTIO_BALLOON_S_NAMES_prefix "swap-out", \ + VIRTIO_BALLOON_S_NAMES_prefix "major-faults", \ + VIRTIO_BALLOON_S_NAMES_prefix "minor-faults", \ + VIRTIO_BALLOON_S_NAMES_prefix "free-memory", \ + VIRTIO_BALLOON_S_NAMES_prefix "total-memory", \ + VIRTIO_BALLOON_S_NAMES_prefix "available-memory", \ + VIRTIO_BALLOON_S_NAMES_prefix "disk-caches", \ + VIRTIO_BALLOON_S_NAMES_prefix "hugetlb-allocations", \ + VIRTIO_BALLOON_S_NAMES_prefix "hugetlb-failures" \ +} + +#define VIRTIO_BALLOON_S_NAMES VIRTIO_BALLOON_S_NAMES_WITH_PREFIX("") + /* * Memory statistics structure. * Driver fills an array of these structures and passes to device. diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c index d315b393abdd..ba03ec39efb3 100644 --- a/kernel/bpf/core.c +++ b/kernel/bpf/core.c @@ -1572,13 +1572,32 @@ int bpf_prog_array_length(struct bpf_prog_array __rcu *progs) return cnt; } +static bool bpf_prog_array_copy_core(struct bpf_prog **prog, + u32 *prog_ids, + u32 request_cnt) +{ + int i = 0; + + for (; *prog; prog++) { + if (*prog == &dummy_bpf_prog.prog) + continue; + prog_ids[i] = (*prog)->aux->id; + if (++i == request_cnt) { + prog++; + break; + } + } + + return !!(*prog); +} + int bpf_prog_array_copy_to_user(struct bpf_prog_array __rcu *progs, __u32 __user *prog_ids, u32 cnt) { struct bpf_prog **prog; unsigned long err = 0; - u32 i = 0, *ids; bool nospc; + u32 *ids; /* users of this function are doing: * cnt = bpf_prog_array_length(); @@ -1595,16 +1614,7 @@ int bpf_prog_array_copy_to_user(struct bpf_prog_array __rcu *progs, return -ENOMEM; rcu_read_lock(); prog = rcu_dereference(progs)->progs; - for (; *prog; prog++) { - if (*prog == &dummy_bpf_prog.prog) - continue; - ids[i] = (*prog)->aux->id; - if (++i == cnt) { - prog++; - break; - } - } - nospc = !!(*prog); + nospc = bpf_prog_array_copy_core(prog, ids, cnt); rcu_read_unlock(); err = copy_to_user(prog_ids, ids, cnt * sizeof(u32)); kfree(ids); @@ -1683,22 +1693,25 @@ int bpf_prog_array_copy(struct bpf_prog_array __rcu *old_array, } int bpf_prog_array_copy_info(struct bpf_prog_array __rcu *array, - __u32 __user *prog_ids, u32 request_cnt, - __u32 __user *prog_cnt) + u32 *prog_ids, u32 request_cnt, + u32 *prog_cnt) { + struct bpf_prog **prog; u32 cnt = 0; if (array) cnt = bpf_prog_array_length(array); - if (copy_to_user(prog_cnt, &cnt, sizeof(cnt))) - return -EFAULT; + *prog_cnt = cnt; /* return early if user requested only program count or nothing to copy */ if (!request_cnt || !cnt) return 0; - return bpf_prog_array_copy_to_user(array, prog_ids, request_cnt); + /* this function is called under trace/bpf_trace.c: bpf_event_mutex */ + prog = rcu_dereference_check(array, 1)->progs; + return bpf_prog_array_copy_core(prog, prog_ids, request_cnt) ? -ENOSPC + : 0; } static void bpf_prog_free_deferred(struct work_struct *work) diff --git a/kernel/bpf/sockmap.c b/kernel/bpf/sockmap.c index 8dd9210d7db7..a3b21385e947 100644 --- a/kernel/bpf/sockmap.c +++ b/kernel/bpf/sockmap.c @@ -1442,9 +1442,6 @@ static struct bpf_map *sock_map_alloc(union bpf_attr *attr) attr->value_size != 4 || attr->map_flags & ~SOCK_CREATE_FLAG_MASK) return ERR_PTR(-EINVAL); - if (attr->value_size > KMALLOC_MAX_SIZE) - return ERR_PTR(-E2BIG); - err = bpf_tcp_ulp_register(); if (err && err != -EEXIST) return ERR_PTR(err); diff --git a/kernel/kprobes.c b/kernel/kprobes.c index 102160ff5c66..ea619021d901 100644 --- a/kernel/kprobes.c +++ b/kernel/kprobes.c @@ -2428,7 +2428,7 @@ static int kprobe_blacklist_seq_show(struct seq_file *m, void *v) struct kprobe_blacklist_entry *ent = list_entry(v, struct kprobe_blacklist_entry, list); - seq_printf(m, "0x%p-0x%p\t%ps\n", (void *)ent->start_addr, + seq_printf(m, "0x%px-0x%px\t%ps\n", (void *)ent->start_addr, (void *)ent->end_addr, (void *)ent->start_addr); return 0; } diff --git a/kernel/module.c b/kernel/module.c index a6e43a5806a1..ce8066b88178 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -1472,7 +1472,8 @@ static ssize_t module_sect_show(struct module_attribute *mattr, { struct module_sect_attr *sattr = container_of(mattr, struct module_sect_attr, mattr); - return sprintf(buf, "0x%pK\n", (void *)sattr->address); + return sprintf(buf, "0x%px\n", kptr_restrict < 2 ? + (void *)sattr->address : NULL); } static void free_sect_attrs(struct module_sect_attrs *sect_attrs) diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c index 9791364925dc..3751a511e2b8 100644 --- a/kernel/sys_ni.c +++ b/kernel/sys_ni.c @@ -365,7 +365,7 @@ COND_SYSCALL(s390_pci_mmio_write); COND_SYSCALL_COMPAT(s390_ipc); /* powerpc */ -cond_syscall(ppc_rtas); +COND_SYSCALL(rtas); COND_SYSCALL(spu_run); COND_SYSCALL(spu_create); COND_SYSCALL(subpage_prot); diff --git a/kernel/sysctl_binary.c b/kernel/sysctl_binary.c index e8c0dab4fd65..07148b497451 100644 --- a/kernel/sysctl_binary.c +++ b/kernel/sysctl_binary.c @@ -704,24 +704,6 @@ static const struct bin_table bin_net_netfilter_table[] = { {} }; -static const struct bin_table bin_net_irda_table[] = { - { CTL_INT, NET_IRDA_DISCOVERY, "discovery" }, - { CTL_STR, NET_IRDA_DEVNAME, "devname" }, - { CTL_INT, NET_IRDA_DEBUG, "debug" }, - { CTL_INT, NET_IRDA_FAST_POLL, "fast_poll_increase" }, - { CTL_INT, NET_IRDA_DISCOVERY_SLOTS, "discovery_slots" }, - { CTL_INT, NET_IRDA_DISCOVERY_TIMEOUT, "discovery_timeout" }, - { CTL_INT, NET_IRDA_SLOT_TIMEOUT, "slot_timeout" }, - { CTL_INT, NET_IRDA_MAX_BAUD_RATE, "max_baud_rate" }, - { CTL_INT, NET_IRDA_MIN_TX_TURN_TIME, "min_tx_turn_time" }, - { CTL_INT, NET_IRDA_MAX_TX_DATA_SIZE, "max_tx_data_size" }, - { CTL_INT, NET_IRDA_MAX_TX_WINDOW, "max_tx_window" }, - { CTL_INT, NET_IRDA_MAX_NOREPLY_TIME, "max_noreply_time" }, - { CTL_INT, NET_IRDA_WARN_NOREPLY_TIME, "warn_noreply_time" }, - { CTL_INT, NET_IRDA_LAP_KEEPALIVE_TIME, "lap_keepalive_time" }, - {} -}; - static const struct bin_table bin_net_table[] = { { CTL_DIR, NET_CORE, "core", bin_net_core_table }, /* NET_ETHER not used */ @@ -743,7 +725,7 @@ static const struct bin_table bin_net_table[] = { { CTL_DIR, NET_LLC, "llc", bin_net_llc_table }, { CTL_DIR, NET_NETFILTER, "netfilter", bin_net_netfilter_table }, /* NET_DCCP "dccp" no longer used */ - { CTL_DIR, NET_IRDA, "irda", bin_net_irda_table }, + /* NET_IRDA "irda" no longer used */ { CTL_INT, 2089, "nf_conntrack_max" }, {} }; diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c index eda1210ce50f..14e858753d76 100644 --- a/kernel/time/hrtimer.c +++ b/kernel/time/hrtimer.c @@ -91,6 +91,11 @@ DEFINE_PER_CPU(struct hrtimer_cpu_base, hrtimer_bases) = .get_time = &ktime_get_real, }, { + .index = HRTIMER_BASE_BOOTTIME, + .clockid = CLOCK_BOOTTIME, + .get_time = &ktime_get_boottime, + }, + { .index = HRTIMER_BASE_TAI, .clockid = CLOCK_TAI, .get_time = &ktime_get_clocktai, @@ -106,6 +111,11 @@ DEFINE_PER_CPU(struct hrtimer_cpu_base, hrtimer_bases) = .get_time = &ktime_get_real, }, { + .index = HRTIMER_BASE_BOOTTIME_SOFT, + .clockid = CLOCK_BOOTTIME, + .get_time = &ktime_get_boottime, + }, + { .index = HRTIMER_BASE_TAI_SOFT, .clockid = CLOCK_TAI, .get_time = &ktime_get_clocktai, @@ -119,7 +129,7 @@ static const int hrtimer_clock_to_base_table[MAX_CLOCKS] = { [CLOCK_REALTIME] = HRTIMER_BASE_REALTIME, [CLOCK_MONOTONIC] = HRTIMER_BASE_MONOTONIC, - [CLOCK_BOOTTIME] = HRTIMER_BASE_MONOTONIC, + [CLOCK_BOOTTIME] = HRTIMER_BASE_BOOTTIME, [CLOCK_TAI] = HRTIMER_BASE_TAI, }; @@ -571,12 +581,14 @@ __hrtimer_get_next_event(struct hrtimer_cpu_base *cpu_base, unsigned int active_ static inline ktime_t hrtimer_update_base(struct hrtimer_cpu_base *base) { ktime_t *offs_real = &base->clock_base[HRTIMER_BASE_REALTIME].offset; + ktime_t *offs_boot = &base->clock_base[HRTIMER_BASE_BOOTTIME].offset; ktime_t *offs_tai = &base->clock_base[HRTIMER_BASE_TAI].offset; ktime_t now = ktime_get_update_offsets_now(&base->clock_was_set_seq, - offs_real, offs_tai); + offs_real, offs_boot, offs_tai); base->clock_base[HRTIMER_BASE_REALTIME_SOFT].offset = *offs_real; + base->clock_base[HRTIMER_BASE_BOOTTIME_SOFT].offset = *offs_boot; base->clock_base[HRTIMER_BASE_TAI_SOFT].offset = *offs_tai; return now; diff --git a/kernel/time/posix-stubs.c b/kernel/time/posix-stubs.c index e0dbae98db9d..69a937c3cd81 100644 --- a/kernel/time/posix-stubs.c +++ b/kernel/time/posix-stubs.c @@ -83,8 +83,6 @@ int do_clock_gettime(clockid_t which_clock, struct timespec64 *tp) case CLOCK_BOOTTIME: get_monotonic_boottime64(tp); break; - case CLOCK_MONOTONIC_ACTIVE: - ktime_get_active_ts64(tp); default: return -EINVAL; } diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c index b6899b5060bd..10b7186d0638 100644 --- a/kernel/time/posix-timers.c +++ b/kernel/time/posix-timers.c @@ -252,16 +252,15 @@ static int posix_get_coarse_res(const clockid_t which_clock, struct timespec64 * return 0; } -static int posix_get_tai(clockid_t which_clock, struct timespec64 *tp) +static int posix_get_boottime(const clockid_t which_clock, struct timespec64 *tp) { - timekeeping_clocktai64(tp); + get_monotonic_boottime64(tp); return 0; } -static int posix_get_monotonic_active(clockid_t which_clock, - struct timespec64 *tp) +static int posix_get_tai(clockid_t which_clock, struct timespec64 *tp) { - ktime_get_active_ts64(tp); + timekeeping_clocktai64(tp); return 0; } @@ -1317,9 +1316,19 @@ static const struct k_clock clock_tai = { .timer_arm = common_hrtimer_arm, }; -static const struct k_clock clock_monotonic_active = { +static const struct k_clock clock_boottime = { .clock_getres = posix_get_hrtimer_res, - .clock_get = posix_get_monotonic_active, + .clock_get = posix_get_boottime, + .nsleep = common_nsleep, + .timer_create = common_timer_create, + .timer_set = common_timer_set, + .timer_get = common_timer_get, + .timer_del = common_timer_del, + .timer_rearm = common_hrtimer_rearm, + .timer_forward = common_hrtimer_forward, + .timer_remaining = common_hrtimer_remaining, + .timer_try_to_cancel = common_hrtimer_try_to_cancel, + .timer_arm = common_hrtimer_arm, }; static const struct k_clock * const posix_clocks[] = { @@ -1330,11 +1339,10 @@ static const struct k_clock * const posix_clocks[] = { [CLOCK_MONOTONIC_RAW] = &clock_monotonic_raw, [CLOCK_REALTIME_COARSE] = &clock_realtime_coarse, [CLOCK_MONOTONIC_COARSE] = &clock_monotonic_coarse, - [CLOCK_BOOTTIME] = &clock_monotonic, + [CLOCK_BOOTTIME] = &clock_boottime, [CLOCK_REALTIME_ALARM] = &alarm_clock, [CLOCK_BOOTTIME_ALARM] = &alarm_clock, [CLOCK_TAI] = &clock_tai, - [CLOCK_MONOTONIC_ACTIVE] = &clock_monotonic_active, }; static const struct k_clock *clockid_to_kclock(const clockid_t id) diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c index 099572ca4a8f..49edc1c4f3e6 100644 --- a/kernel/time/tick-common.c +++ b/kernel/time/tick-common.c @@ -419,19 +419,6 @@ void tick_suspend_local(void) clockevents_shutdown(td->evtdev); } -static void tick_forward_next_period(void) -{ - ktime_t delta, now = ktime_get(); - u64 n; - - delta = ktime_sub(now, tick_next_period); - n = ktime_divns(delta, tick_period); - tick_next_period += n * tick_period; - if (tick_next_period < now) - tick_next_period += tick_period; - tick_sched_forward_next_period(); -} - /** * tick_resume_local - Resume the local tick device * @@ -444,8 +431,6 @@ void tick_resume_local(void) struct tick_device *td = this_cpu_ptr(&tick_cpu_device); bool broadcast = tick_resume_check_broadcast(); - tick_forward_next_period(); - clockevents_tick_resume(td->evtdev); if (!broadcast) { if (td->mode == TICKDEV_MODE_PERIODIC) diff --git a/kernel/time/tick-internal.h b/kernel/time/tick-internal.h index 21efab7485ca..e277284c2831 100644 --- a/kernel/time/tick-internal.h +++ b/kernel/time/tick-internal.h @@ -141,12 +141,6 @@ static inline void tick_check_oneshot_broadcast_this_cpu(void) { } static inline bool tick_broadcast_oneshot_available(void) { return tick_oneshot_possible(); } #endif /* !(BROADCAST && ONESHOT) */ -#if defined(CONFIG_NO_HZ_COMMON) || defined(CONFIG_HIGH_RES_TIMERS) -extern void tick_sched_forward_next_period(void); -#else -static inline void tick_sched_forward_next_period(void) { } -#endif - /* NO_HZ_FULL internal */ #ifdef CONFIG_NO_HZ_FULL extern void tick_nohz_init(void); diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 646645e981f9..da9455a6b42b 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -52,15 +52,6 @@ struct tick_sched *tick_get_tick_sched(int cpu) static ktime_t last_jiffies_update; /* - * Called after resume. Make sure that jiffies are not fast forwarded due to - * clock monotonic being forwarded by the suspended time. - */ -void tick_sched_forward_next_period(void) -{ - last_jiffies_update = tick_next_period; -} - -/* * Must be called with interrupts disabled ! */ static void tick_do_update_jiffies64(ktime_t now) @@ -804,12 +795,12 @@ static void tick_nohz_stop_tick(struct tick_sched *ts, int cpu) return; } - hrtimer_set_expires(&ts->sched_timer, tick); - - if (ts->nohz_mode == NOHZ_MODE_HIGHRES) - hrtimer_start_expires(&ts->sched_timer, HRTIMER_MODE_ABS_PINNED); - else + if (ts->nohz_mode == NOHZ_MODE_HIGHRES) { + hrtimer_start(&ts->sched_timer, tick, HRTIMER_MODE_ABS_PINNED); + } else { + hrtimer_set_expires(&ts->sched_timer, tick); tick_program_event(tick, 1); + } } static void tick_nohz_retain_tick(struct tick_sched *ts) diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c index dcf7f20fcd12..49cbceef5deb 100644 --- a/kernel/time/timekeeping.c +++ b/kernel/time/timekeeping.c @@ -138,12 +138,7 @@ static void tk_set_wall_to_mono(struct timekeeper *tk, struct timespec64 wtm) static inline void tk_update_sleep_time(struct timekeeper *tk, ktime_t delta) { - /* Update both bases so mono and raw stay coupled. */ - tk->tkr_mono.base += delta; - tk->tkr_raw.base += delta; - - /* Accumulate time spent in suspend */ - tk->time_suspended += delta; + tk->offs_boot = ktime_add(tk->offs_boot, delta); } /* @@ -473,6 +468,36 @@ u64 ktime_get_raw_fast_ns(void) } EXPORT_SYMBOL_GPL(ktime_get_raw_fast_ns); +/** + * ktime_get_boot_fast_ns - NMI safe and fast access to boot clock. + * + * To keep it NMI safe since we're accessing from tracing, we're not using a + * separate timekeeper with updates to monotonic clock and boot offset + * protected with seqlocks. This has the following minor side effects: + * + * (1) Its possible that a timestamp be taken after the boot offset is updated + * but before the timekeeper is updated. If this happens, the new boot offset + * is added to the old timekeeping making the clock appear to update slightly + * earlier: + * CPU 0 CPU 1 + * timekeeping_inject_sleeptime64() + * __timekeeping_inject_sleeptime(tk, delta); + * timestamp(); + * timekeeping_update(tk, TK_CLEAR_NTP...); + * + * (2) On 32-bit systems, the 64-bit boot offset (tk->offs_boot) may be + * partially updated. Since the tk->offs_boot update is a rare event, this + * should be a rare occurrence which postprocessing should be able to handle. + */ +u64 notrace ktime_get_boot_fast_ns(void) +{ + struct timekeeper *tk = &tk_core.timekeeper; + + return (ktime_get_mono_fast_ns() + ktime_to_ns(tk->offs_boot)); +} +EXPORT_SYMBOL_GPL(ktime_get_boot_fast_ns); + + /* * See comment for __ktime_get_fast_ns() vs. timestamp ordering */ @@ -764,6 +789,7 @@ EXPORT_SYMBOL_GPL(ktime_get_resolution_ns); static ktime_t *offsets[TK_OFFS_MAX] = { [TK_OFFS_REAL] = &tk_core.timekeeper.offs_real, + [TK_OFFS_BOOT] = &tk_core.timekeeper.offs_boot, [TK_OFFS_TAI] = &tk_core.timekeeper.offs_tai, }; @@ -861,39 +887,6 @@ void ktime_get_ts64(struct timespec64 *ts) EXPORT_SYMBOL_GPL(ktime_get_ts64); /** - * ktime_get_active_ts64 - Get the active non-suspended monotonic clock - * @ts: pointer to timespec variable - * - * The function calculates the monotonic clock from the realtime clock and - * the wall_to_monotonic offset, subtracts the accumulated suspend time and - * stores the result in normalized timespec64 format in the variable - * pointed to by @ts. - */ -void ktime_get_active_ts64(struct timespec64 *ts) -{ - struct timekeeper *tk = &tk_core.timekeeper; - struct timespec64 tomono, tsusp; - u64 nsec, nssusp; - unsigned int seq; - - WARN_ON(timekeeping_suspended); - - do { - seq = read_seqcount_begin(&tk_core.seq); - ts->tv_sec = tk->xtime_sec; - nsec = timekeeping_get_ns(&tk->tkr_mono); - tomono = tk->wall_to_monotonic; - nssusp = tk->time_suspended; - } while (read_seqcount_retry(&tk_core.seq, seq)); - - ts->tv_sec += tomono.tv_sec; - ts->tv_nsec = 0; - timespec64_add_ns(ts, nsec + tomono.tv_nsec); - tsusp = ns_to_timespec64(nssusp); - *ts = timespec64_sub(*ts, tsusp); -} - -/** * ktime_get_seconds - Get the seconds portion of CLOCK_MONOTONIC * * Returns the seconds portion of CLOCK_MONOTONIC with a single non @@ -1593,6 +1586,7 @@ static void __timekeeping_inject_sleeptime(struct timekeeper *tk, return; } tk_xtime_add(tk, delta); + tk_set_wall_to_mono(tk, timespec64_sub(tk->wall_to_monotonic, *delta)); tk_update_sleep_time(tk, timespec64_to_ktime(*delta)); tk_debug_account_sleep_time(delta); } @@ -2125,7 +2119,7 @@ out: void getboottime64(struct timespec64 *ts) { struct timekeeper *tk = &tk_core.timekeeper; - ktime_t t = ktime_sub(tk->offs_real, tk->time_suspended); + ktime_t t = ktime_sub(tk->offs_real, tk->offs_boot); *ts = ktime_to_timespec64(t); } @@ -2188,6 +2182,7 @@ void do_timer(unsigned long ticks) * ktime_get_update_offsets_now - hrtimer helper * @cwsseq: pointer to check and store the clock was set sequence number * @offs_real: pointer to storage for monotonic -> realtime offset + * @offs_boot: pointer to storage for monotonic -> boottime offset * @offs_tai: pointer to storage for monotonic -> clock tai offset * * Returns current monotonic time and updates the offsets if the @@ -2197,7 +2192,7 @@ void do_timer(unsigned long ticks) * Called from hrtimer_interrupt() or retrigger_next_event() */ ktime_t ktime_get_update_offsets_now(unsigned int *cwsseq, ktime_t *offs_real, - ktime_t *offs_tai) + ktime_t *offs_boot, ktime_t *offs_tai) { struct timekeeper *tk = &tk_core.timekeeper; unsigned int seq; @@ -2214,6 +2209,7 @@ ktime_t ktime_get_update_offsets_now(unsigned int *cwsseq, ktime_t *offs_real, if (*cwsseq != tk->clock_was_set_seq) { *cwsseq = tk->clock_was_set_seq; *offs_real = tk->offs_real; + *offs_boot = tk->offs_boot; *offs_tai = tk->offs_tai; } diff --git a/kernel/time/timekeeping.h b/kernel/time/timekeeping.h index 79b67f5e0343..7a9b4eb7a1d5 100644 --- a/kernel/time/timekeeping.h +++ b/kernel/time/timekeeping.h @@ -6,6 +6,7 @@ */ extern ktime_t ktime_get_update_offsets_now(unsigned int *cwsseq, ktime_t *offs_real, + ktime_t *offs_boot, ktime_t *offs_tai); extern int timekeeping_valid_for_hres(void); diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig index c4f0f2e4126e..dd6c0a2ad969 100644 --- a/kernel/trace/Kconfig +++ b/kernel/trace/Kconfig @@ -110,11 +110,7 @@ config GENERIC_TRACER # config TRACING_SUPPORT bool - # PPC32 has no irqflags tracing support, but it can use most of the - # tracers anyway, they were tested to build and work. Note that new - # exceptions to this list aren't welcomed, better implement the - # irqflags tracing for your architecture. - depends on TRACE_IRQFLAGS_SUPPORT || PPC32 + depends on TRACE_IRQFLAGS_SUPPORT depends on STACKTRACE_SUPPORT default y diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c index d88e96d4e12c..56ba0f2a01db 100644 --- a/kernel/trace/bpf_trace.c +++ b/kernel/trace/bpf_trace.c @@ -977,6 +977,7 @@ int perf_event_query_prog_array(struct perf_event *event, void __user *info) { struct perf_event_query_bpf __user *uquery = info; struct perf_event_query_bpf query = {}; + u32 *ids, prog_cnt, ids_len; int ret; if (!capable(CAP_SYS_ADMIN)) @@ -985,16 +986,32 @@ int perf_event_query_prog_array(struct perf_event *event, void __user *info) return -EINVAL; if (copy_from_user(&query, uquery, sizeof(query))) return -EFAULT; - if (query.ids_len > BPF_TRACE_MAX_PROGS) + + ids_len = query.ids_len; + if (ids_len > BPF_TRACE_MAX_PROGS) return -E2BIG; + ids = kcalloc(ids_len, sizeof(u32), GFP_USER | __GFP_NOWARN); + if (!ids) + return -ENOMEM; + /* + * The above kcalloc returns ZERO_SIZE_PTR when ids_len = 0, which + * is required when user only wants to check for uquery->prog_cnt. + * There is no need to check for it since the case is handled + * gracefully in bpf_prog_array_copy_info. + */ mutex_lock(&bpf_event_mutex); ret = bpf_prog_array_copy_info(event->tp_event->prog_array, - uquery->ids, - query.ids_len, - &uquery->prog_cnt); + ids, + ids_len, + &prog_cnt); mutex_unlock(&bpf_event_mutex); + if (copy_to_user(&uquery->prog_cnt, &prog_cnt, sizeof(prog_cnt)) || + copy_to_user(uquery->ids, ids, ids_len * sizeof(u32))) + ret = -EFAULT; + + kfree(ids); return ret; } diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index dfbcf9ee1447..414d7210b2ec 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -1165,7 +1165,7 @@ static struct { { trace_clock, "perf", 1 }, { ktime_get_mono_fast_ns, "mono", 1 }, { ktime_get_raw_fast_ns, "mono_raw", 1 }, - { ktime_get_mono_fast_ns, "boot", 1 }, + { ktime_get_boot_fast_ns, "boot", 1 }, ARCH_TRACE_CLOCKS }; diff --git a/kernel/trace/trace_entries.h b/kernel/trace/trace_entries.h index e954ae3d82c0..e3a658bac10f 100644 --- a/kernel/trace/trace_entries.h +++ b/kernel/trace/trace_entries.h @@ -356,7 +356,7 @@ FTRACE_ENTRY(hwlat, hwlat_entry, __field( unsigned int, seqnum ) ), - F_printk("cnt:%u\tts:%010llu.%010lu\tinner:%llu\touter:%llunmi-ts:%llu\tnmi-count:%u\n", + F_printk("cnt:%u\tts:%010llu.%010lu\tinner:%llu\touter:%llu\tnmi-ts:%llu\tnmi-count:%u\n", __entry->seqnum, __entry->tv_sec, __entry->tv_nsec, diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c index 9b4716bb8bb0..1f951b3df60c 100644 --- a/kernel/trace/trace_events_filter.c +++ b/kernel/trace/trace_events_filter.c @@ -1499,14 +1499,14 @@ static int process_preds(struct trace_event_call *call, return ret; } - if (!nr_preds) { - prog = NULL; - } else { - prog = predicate_parse(filter_string, nr_parens, nr_preds, + if (!nr_preds) + return -EINVAL; + + prog = predicate_parse(filter_string, nr_parens, nr_preds, parse_pred, call, pe); - if (IS_ERR(prog)) - return PTR_ERR(prog); - } + if (IS_ERR(prog)) + return PTR_ERR(prog); + rcu_assign_pointer(filter->prog, prog); return 0; } diff --git a/lib/dma-direct.c b/lib/dma-direct.c index c0bba30fef0a..bbfb229aa067 100644 --- a/lib/dma-direct.c +++ b/lib/dma-direct.c @@ -84,7 +84,8 @@ again: __free_pages(page, page_order); page = NULL; - if (dev->coherent_dma_mask < DMA_BIT_MASK(32) && + if (IS_ENABLED(CONFIG_ZONE_DMA) && + dev->coherent_dma_mask < DMA_BIT_MASK(32) && !(gfp & GFP_DMA)) { gfp = (gfp & ~GFP_DMA32) | GFP_DMA; goto again; diff --git a/lib/kobject.c b/lib/kobject.c index e1d1f290bf35..18989b5b3b56 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -233,13 +233,12 @@ static int kobject_add_internal(struct kobject *kobj) /* be noisy on error issues */ if (error == -EEXIST) - WARN(1, - "%s failed for %s with -EEXIST, don't try to register things with the same name in the same directory.\n", - __func__, kobject_name(kobj)); + pr_err("%s failed for %s with -EEXIST, don't try to register things with the same name in the same directory.\n", + __func__, kobject_name(kobj)); else - WARN(1, "%s failed for %s (error: %d parent: %s)\n", - __func__, kobject_name(kobj), error, - parent ? kobject_name(parent) : "'none'"); + pr_err("%s failed for %s (error: %d parent: %s)\n", + __func__, kobject_name(kobj), error, + parent ? kobject_name(parent) : "'none'"); } else kobj->state_in_sysfs = 1; diff --git a/mm/mmap.c b/mm/mmap.c index 188f195883b9..9d5968d1e8e3 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -100,11 +100,20 @@ pgprot_t protection_map[16] __ro_after_init = { __S000, __S001, __S010, __S011, __S100, __S101, __S110, __S111 }; +#ifndef CONFIG_ARCH_HAS_FILTER_PGPROT +static inline pgprot_t arch_filter_pgprot(pgprot_t prot) +{ + return prot; +} +#endif + pgprot_t vm_get_page_prot(unsigned long vm_flags) { - return __pgprot(pgprot_val(protection_map[vm_flags & + pgprot_t ret = __pgprot(pgprot_val(protection_map[vm_flags & (VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)]) | pgprot_val(arch_vm_get_page_prot(vm_flags))); + + return arch_filter_pgprot(ret); } EXPORT_SYMBOL(vm_get_page_prot); diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c index 032e0fe45940..28a4c3490359 100644 --- a/net/bridge/netfilter/ebtables.c +++ b/net/bridge/netfilter/ebtables.c @@ -1825,13 +1825,14 @@ static int compat_table_info(const struct ebt_table_info *info, { unsigned int size = info->entries_size; const void *entries = info->entries; - int ret; newinfo->entries_size = size; - - ret = xt_compat_init_offsets(NFPROTO_BRIDGE, info->nentries); - if (ret) - return ret; + if (info->nentries) { + int ret = xt_compat_init_offsets(NFPROTO_BRIDGE, + info->nentries); + if (ret) + return ret; + } return EBT_ENTRY_ITERATE(entries, size, compat_calc_entry, info, entries, newinfo); diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index fcb40c12b1f8..3b3d33ea9ed8 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -2569,6 +2569,11 @@ static int try_write(struct ceph_connection *con) int ret = 1; dout("try_write start %p state %lu\n", con, con->state); + if (con->state != CON_STATE_PREOPEN && + con->state != CON_STATE_CONNECTING && + con->state != CON_STATE_NEGOTIATING && + con->state != CON_STATE_OPEN) + return 0; more: dout("try_write out_kvec_bytes %d\n", con->out_kvec_bytes); @@ -2594,6 +2599,8 @@ more: } more_kvec: + BUG_ON(!con->sock); + /* kvec data queued? */ if (con->out_kvec_left) { ret = write_partial_kvec(con); diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c index b3dac24412d3..21ac6e3b96bb 100644 --- a/net/ceph/mon_client.c +++ b/net/ceph/mon_client.c @@ -209,6 +209,14 @@ static void reopen_session(struct ceph_mon_client *monc) __open_session(monc); } +static void un_backoff(struct ceph_mon_client *monc) +{ + monc->hunt_mult /= 2; /* reduce by 50% */ + if (monc->hunt_mult < 1) + monc->hunt_mult = 1; + dout("%s hunt_mult now %d\n", __func__, monc->hunt_mult); +} + /* * Reschedule delayed work timer. */ @@ -963,6 +971,7 @@ static void delayed_work(struct work_struct *work) if (!monc->hunting) { ceph_con_keepalive(&monc->con); __validate_auth(monc); + un_backoff(monc); } if (is_auth && @@ -1123,9 +1132,8 @@ static void finish_hunting(struct ceph_mon_client *monc) dout("%s found mon%d\n", __func__, monc->cur_mon); monc->hunting = false; monc->had_a_connection = true; - monc->hunt_mult /= 2; /* reduce by 50% */ - if (monc->hunt_mult < 1) - monc->hunt_mult = 1; + un_backoff(monc); + __schedule_delayed(monc); } } diff --git a/net/ife/ife.c b/net/ife/ife.c index 7d1ec76e7f43..13bbf8cb6a39 100644 --- a/net/ife/ife.c +++ b/net/ife/ife.c @@ -69,6 +69,9 @@ void *ife_decode(struct sk_buff *skb, u16 *metalen) int total_pull; u16 ifehdrln; + if (!pskb_may_pull(skb, skb->dev->hard_header_len + IFE_METAHDRLEN)) + return NULL; + ifehdr = (struct ifeheadr *) (skb->data + skb->dev->hard_header_len); ifehdrln = ntohs(ifehdr->metalen); total_pull = skb->dev->hard_header_len + ifehdrln; @@ -92,12 +95,43 @@ struct meta_tlvhdr { __be16 len; }; +static bool __ife_tlv_meta_valid(const unsigned char *skbdata, + const unsigned char *ifehdr_end) +{ + const struct meta_tlvhdr *tlv; + u16 tlvlen; + + if (unlikely(skbdata + sizeof(*tlv) > ifehdr_end)) + return false; + + tlv = (const struct meta_tlvhdr *)skbdata; + tlvlen = ntohs(tlv->len); + + /* tlv length field is inc header, check on minimum */ + if (tlvlen < NLA_HDRLEN) + return false; + + /* overflow by NLA_ALIGN check */ + if (NLA_ALIGN(tlvlen) < tlvlen) + return false; + + if (unlikely(skbdata + NLA_ALIGN(tlvlen) > ifehdr_end)) + return false; + + return true; +} + /* Caller takes care of presenting data in network order */ -void *ife_tlv_meta_decode(void *skbdata, u16 *attrtype, u16 *dlen, u16 *totlen) +void *ife_tlv_meta_decode(void *skbdata, const void *ifehdr_end, u16 *attrtype, + u16 *dlen, u16 *totlen) { - struct meta_tlvhdr *tlv = (struct meta_tlvhdr *) skbdata; + struct meta_tlvhdr *tlv; + + if (!__ife_tlv_meta_valid(skbdata, ifehdr_end)) + return NULL; + tlv = (struct meta_tlvhdr *)skbdata; *dlen = ntohs(tlv->len) - NLA_HDRLEN; *attrtype = ntohs(tlv->type); diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 367def6ddeda..e51c644484dc 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -3868,11 +3868,8 @@ const u8 *tcp_parse_md5sig_option(const struct tcphdr *th) int length = (th->doff << 2) - sizeof(*th); const u8 *ptr = (const u8 *)(th + 1); - /* If the TCP option is too short, we can short cut */ - if (length < TCPOLEN_MD5SIG) - return NULL; - - while (length > 0) { + /* If not enough data remaining, we can short cut */ + while (length >= TCPOLEN_MD5SIG) { int opcode = *ptr++; int opsize; diff --git a/net/ipv6/netfilter/Kconfig b/net/ipv6/netfilter/Kconfig index ccbfa83e4bb0..ce77bcc2490c 100644 --- a/net/ipv6/netfilter/Kconfig +++ b/net/ipv6/netfilter/Kconfig @@ -48,6 +48,34 @@ config NFT_CHAIN_ROUTE_IPV6 fields such as the source, destination, flowlabel, hop-limit and the packet mark. +if NF_NAT_IPV6 + +config NFT_CHAIN_NAT_IPV6 + tristate "IPv6 nf_tables nat chain support" + help + This option enables the "nat" chain for IPv6 in nf_tables. This + chain type is used to perform Network Address Translation (NAT) + packet transformations such as the source, destination address and + source and destination ports. + +config NFT_MASQ_IPV6 + tristate "IPv6 masquerade support for nf_tables" + depends on NFT_MASQ + select NF_NAT_MASQUERADE_IPV6 + help + This is the expression that provides IPv4 masquerading support for + nf_tables. + +config NFT_REDIR_IPV6 + tristate "IPv6 redirect support for nf_tables" + depends on NFT_REDIR + select NF_NAT_REDIRECT + help + This is the expression that provides IPv4 redirect support for + nf_tables. + +endif # NF_NAT_IPV6 + config NFT_REJECT_IPV6 select NF_REJECT_IPV6 default NFT_REJECT @@ -107,39 +135,12 @@ config NF_NAT_IPV6 if NF_NAT_IPV6 -config NFT_CHAIN_NAT_IPV6 - depends on NF_TABLES_IPV6 - tristate "IPv6 nf_tables nat chain support" - help - This option enables the "nat" chain for IPv6 in nf_tables. This - chain type is used to perform Network Address Translation (NAT) - packet transformations such as the source, destination address and - source and destination ports. - config NF_NAT_MASQUERADE_IPV6 tristate "IPv6 masquerade support" help This is the kernel functionality to provide NAT in the masquerade flavour (automatic source address selection) for IPv6. -config NFT_MASQ_IPV6 - tristate "IPv6 masquerade support for nf_tables" - depends on NF_TABLES_IPV6 - depends on NFT_MASQ - select NF_NAT_MASQUERADE_IPV6 - help - This is the expression that provides IPv4 masquerading support for - nf_tables. - -config NFT_REDIR_IPV6 - tristate "IPv6 redirect support for nf_tables" - depends on NF_TABLES_IPV6 - depends on NFT_REDIR - select NF_NAT_REDIRECT - help - This is the expression that provides IPv4 redirect support for - nf_tables. - endif # NF_NAT_IPV6 config IP6_NF_IPTABLES diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 49b954d6d0fa..cde7d8251377 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -3975,6 +3975,7 @@ void rt6_mtu_change(struct net_device *dev, unsigned int mtu) static const struct nla_policy rtm_ipv6_policy[RTA_MAX+1] = { [RTA_GATEWAY] = { .len = sizeof(struct in6_addr) }, + [RTA_PREFSRC] = { .len = sizeof(struct in6_addr) }, [RTA_OIF] = { .type = NLA_U32 }, [RTA_IIF] = { .type = NLA_U32 }, [RTA_PRIORITY] = { .type = NLA_U32 }, @@ -3986,6 +3987,7 @@ static const struct nla_policy rtm_ipv6_policy[RTA_MAX+1] = { [RTA_EXPIRES] = { .type = NLA_U32 }, [RTA_UID] = { .type = NLA_U32 }, [RTA_MARK] = { .type = NLA_U32 }, + [RTA_TABLE] = { .type = NLA_U32 }, }; static int rtm_to_fib6_config(struct sk_buff *skb, struct nlmsghdr *nlh, diff --git a/net/ipv6/seg6_iptunnel.c b/net/ipv6/seg6_iptunnel.c index f343e6f0fc95..5fe139484919 100644 --- a/net/ipv6/seg6_iptunnel.c +++ b/net/ipv6/seg6_iptunnel.c @@ -136,7 +136,7 @@ int seg6_do_srh_encap(struct sk_buff *skb, struct ipv6_sr_hdr *osrh, int proto) isrh->nexthdr = proto; hdr->daddr = isrh->segments[isrh->first_segment]; - set_tun_src(net, ip6_dst_idev(dst)->dev, &hdr->daddr, &hdr->saddr); + set_tun_src(net, dst->dev, &hdr->daddr, &hdr->saddr); #ifdef CONFIG_IPV6_SEG6_HMAC if (sr_has_hmac(isrh)) { diff --git a/net/l2tp/l2tp_debugfs.c b/net/l2tp/l2tp_debugfs.c index b8f9d45bfeb1..7f1e842ef05a 100644 --- a/net/l2tp/l2tp_debugfs.c +++ b/net/l2tp/l2tp_debugfs.c @@ -106,8 +106,11 @@ static void l2tp_dfs_seq_stop(struct seq_file *p, void *v) return; /* Drop reference taken by last invocation of l2tp_dfs_next_tunnel() */ - if (pd->tunnel) + if (pd->tunnel) { l2tp_tunnel_dec_refcount(pd->tunnel); + pd->tunnel = NULL; + pd->session = NULL; + } } static void l2tp_dfs_seq_tunnel_show(struct seq_file *m, void *v) diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c index 7d0c963680e6..1fd9e145076a 100644 --- a/net/l2tp/l2tp_ppp.c +++ b/net/l2tp/l2tp_ppp.c @@ -619,6 +619,13 @@ static int pppol2tp_connect(struct socket *sock, struct sockaddr *uservaddr, lock_sock(sk); error = -EINVAL; + + if (sockaddr_len != sizeof(struct sockaddr_pppol2tp) && + sockaddr_len != sizeof(struct sockaddr_pppol2tpv3) && + sockaddr_len != sizeof(struct sockaddr_pppol2tpin6) && + sockaddr_len != sizeof(struct sockaddr_pppol2tpv3in6)) + goto end; + if (sp->sa_protocol != PX_PROTO_OL2TP) goto end; @@ -1618,8 +1625,11 @@ static void pppol2tp_seq_stop(struct seq_file *p, void *v) return; /* Drop reference taken by last invocation of pppol2tp_next_tunnel() */ - if (pd->tunnel) + if (pd->tunnel) { l2tp_tunnel_dec_refcount(pd->tunnel); + pd->tunnel = NULL; + pd->session = NULL; + } } static void pppol2tp_seq_tunnel_show(struct seq_file *m, void *v) diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c index 6d29b2b94e84..cb80ebb38311 100644 --- a/net/llc/af_llc.c +++ b/net/llc/af_llc.c @@ -189,7 +189,6 @@ static int llc_ui_release(struct socket *sock) { struct sock *sk = sock->sk; struct llc_sock *llc; - struct llc_sap *sap; if (unlikely(sk == NULL)) goto out; @@ -200,15 +199,19 @@ static int llc_ui_release(struct socket *sock) llc->laddr.lsap, llc->daddr.lsap); if (!llc_send_disc(sk)) llc_ui_wait_for_disc(sk, sk->sk_rcvtimeo); - sap = llc->sap; - /* Hold this for release_sock(), so that llc_backlog_rcv() could still - * use it. - */ - llc_sap_hold(sap); - if (!sock_flag(sk, SOCK_ZAPPED)) + if (!sock_flag(sk, SOCK_ZAPPED)) { + struct llc_sap *sap = llc->sap; + + /* Hold this for release_sock(), so that llc_backlog_rcv() + * could still use it. + */ + llc_sap_hold(sap); llc_sap_remove_socket(llc->sap, sk); - release_sock(sk); - llc_sap_put(sap); + release_sock(sk); + llc_sap_put(sap); + } else { + release_sock(sk); + } if (llc->dev) dev_put(llc->dev); sock_put(sk); diff --git a/net/llc/llc_c_ac.c b/net/llc/llc_c_ac.c index 163121192aca..4d78375f9872 100644 --- a/net/llc/llc_c_ac.c +++ b/net/llc/llc_c_ac.c @@ -1099,14 +1099,7 @@ int llc_conn_ac_inc_tx_win_size(struct sock *sk, struct sk_buff *skb) int llc_conn_ac_stop_all_timers(struct sock *sk, struct sk_buff *skb) { - struct llc_sock *llc = llc_sk(sk); - - del_timer(&llc->pf_cycle_timer.timer); - del_timer(&llc->ack_timer.timer); - del_timer(&llc->rej_sent_timer.timer); - del_timer(&llc->busy_state_timer.timer); - llc->ack_must_be_send = 0; - llc->ack_pf = 0; + llc_sk_stop_all_timers(sk, false); return 0; } diff --git a/net/llc/llc_conn.c b/net/llc/llc_conn.c index 110e32bcb399..c0ac522b48a1 100644 --- a/net/llc/llc_conn.c +++ b/net/llc/llc_conn.c @@ -961,6 +961,26 @@ out: return sk; } +void llc_sk_stop_all_timers(struct sock *sk, bool sync) +{ + struct llc_sock *llc = llc_sk(sk); + + if (sync) { + del_timer_sync(&llc->pf_cycle_timer.timer); + del_timer_sync(&llc->ack_timer.timer); + del_timer_sync(&llc->rej_sent_timer.timer); + del_timer_sync(&llc->busy_state_timer.timer); + } else { + del_timer(&llc->pf_cycle_timer.timer); + del_timer(&llc->ack_timer.timer); + del_timer(&llc->rej_sent_timer.timer); + del_timer(&llc->busy_state_timer.timer); + } + + llc->ack_must_be_send = 0; + llc->ack_pf = 0; +} + /** * llc_sk_free - Frees a LLC socket * @sk - socket to free @@ -973,7 +993,7 @@ void llc_sk_free(struct sock *sk) llc->state = LLC_CONN_OUT_OF_SVC; /* Stop all (possibly) running timers */ - llc_conn_ac_stop_all_timers(sk, NULL); + llc_sk_stop_all_timers(sk, true); #ifdef DEBUG_LLC_CONN_ALLOC printk(KERN_INFO "%s: unackq=%d, txq=%d\n", __func__, skb_queue_len(&llc->pdu_unack_q), diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig index 704b3832dbad..44d8a55e9721 100644 --- a/net/netfilter/Kconfig +++ b/net/netfilter/Kconfig @@ -594,6 +594,7 @@ config NFT_QUOTA config NFT_REJECT default m if NETFILTER_ADVANCED=n tristate "Netfilter nf_tables reject support" + depends on !NF_TABLES_INET || (IPV6!=m || m) help This option adds the "reject" expression that you can use to explicitly deny and notify via TCP reset/ICMP informational errors diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c index 5ebde4b15810..f36098887ad0 100644 --- a/net/netfilter/ipvs/ip_vs_ctl.c +++ b/net/netfilter/ipvs/ip_vs_ctl.c @@ -2384,11 +2384,7 @@ do_ip_vs_set_ctl(struct sock *sk, int cmd, void __user *user, unsigned int len) strlcpy(cfg.mcast_ifn, dm->mcast_ifn, sizeof(cfg.mcast_ifn)); cfg.syncid = dm->syncid; - rtnl_lock(); - mutex_lock(&ipvs->sync_mutex); ret = start_sync_thread(ipvs, &cfg, dm->state); - mutex_unlock(&ipvs->sync_mutex); - rtnl_unlock(); } else { mutex_lock(&ipvs->sync_mutex); ret = stop_sync_thread(ipvs, dm->state); @@ -3481,12 +3477,8 @@ static int ip_vs_genl_new_daemon(struct netns_ipvs *ipvs, struct nlattr **attrs) if (ipvs->mixed_address_family_dests > 0) return -EINVAL; - rtnl_lock(); - mutex_lock(&ipvs->sync_mutex); ret = start_sync_thread(ipvs, &c, nla_get_u32(attrs[IPVS_DAEMON_ATTR_STATE])); - mutex_unlock(&ipvs->sync_mutex); - rtnl_unlock(); return ret; } diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c index fbaf3bd05b2e..001501e25625 100644 --- a/net/netfilter/ipvs/ip_vs_sync.c +++ b/net/netfilter/ipvs/ip_vs_sync.c @@ -49,6 +49,7 @@ #include <linux/kthread.h> #include <linux/wait.h> #include <linux/kernel.h> +#include <linux/sched/signal.h> #include <asm/unaligned.h> /* Used for ntoh_seq and hton_seq */ @@ -1360,15 +1361,9 @@ static void set_mcast_pmtudisc(struct sock *sk, int val) /* * Specifiy default interface for outgoing multicasts */ -static int set_mcast_if(struct sock *sk, char *ifname) +static int set_mcast_if(struct sock *sk, struct net_device *dev) { - struct net_device *dev; struct inet_sock *inet = inet_sk(sk); - struct net *net = sock_net(sk); - - dev = __dev_get_by_name(net, ifname); - if (!dev) - return -ENODEV; if (sk->sk_bound_dev_if && dev->ifindex != sk->sk_bound_dev_if) return -EINVAL; @@ -1396,19 +1391,14 @@ static int set_mcast_if(struct sock *sk, char *ifname) * in the in_addr structure passed in as a parameter. */ static int -join_mcast_group(struct sock *sk, struct in_addr *addr, char *ifname) +join_mcast_group(struct sock *sk, struct in_addr *addr, struct net_device *dev) { - struct net *net = sock_net(sk); struct ip_mreqn mreq; - struct net_device *dev; int ret; memset(&mreq, 0, sizeof(mreq)); memcpy(&mreq.imr_multiaddr, addr, sizeof(struct in_addr)); - dev = __dev_get_by_name(net, ifname); - if (!dev) - return -ENODEV; if (sk->sk_bound_dev_if && dev->ifindex != sk->sk_bound_dev_if) return -EINVAL; @@ -1423,15 +1413,10 @@ join_mcast_group(struct sock *sk, struct in_addr *addr, char *ifname) #ifdef CONFIG_IP_VS_IPV6 static int join_mcast_group6(struct sock *sk, struct in6_addr *addr, - char *ifname) + struct net_device *dev) { - struct net *net = sock_net(sk); - struct net_device *dev; int ret; - dev = __dev_get_by_name(net, ifname); - if (!dev) - return -ENODEV; if (sk->sk_bound_dev_if && dev->ifindex != sk->sk_bound_dev_if) return -EINVAL; @@ -1443,24 +1428,18 @@ static int join_mcast_group6(struct sock *sk, struct in6_addr *addr, } #endif -static int bind_mcastif_addr(struct socket *sock, char *ifname) +static int bind_mcastif_addr(struct socket *sock, struct net_device *dev) { - struct net *net = sock_net(sock->sk); - struct net_device *dev; __be32 addr; struct sockaddr_in sin; - dev = __dev_get_by_name(net, ifname); - if (!dev) - return -ENODEV; - addr = inet_select_addr(dev, 0, RT_SCOPE_UNIVERSE); if (!addr) pr_err("You probably need to specify IP address on " "multicast interface.\n"); IP_VS_DBG(7, "binding socket with (%s) %pI4\n", - ifname, &addr); + dev->name, &addr); /* Now bind the socket with the address of multicast interface */ sin.sin_family = AF_INET; @@ -1493,7 +1472,8 @@ static void get_mcast_sockaddr(union ipvs_sockaddr *sa, int *salen, /* * Set up sending multicast socket over UDP */ -static struct socket *make_send_sock(struct netns_ipvs *ipvs, int id) +static int make_send_sock(struct netns_ipvs *ipvs, int id, + struct net_device *dev, struct socket **sock_ret) { /* multicast addr */ union ipvs_sockaddr mcast_addr; @@ -1505,9 +1485,10 @@ static struct socket *make_send_sock(struct netns_ipvs *ipvs, int id) IPPROTO_UDP, &sock); if (result < 0) { pr_err("Error during creation of socket; terminating\n"); - return ERR_PTR(result); + goto error; } - result = set_mcast_if(sock->sk, ipvs->mcfg.mcast_ifn); + *sock_ret = sock; + result = set_mcast_if(sock->sk, dev); if (result < 0) { pr_err("Error setting outbound mcast interface\n"); goto error; @@ -1522,7 +1503,7 @@ static struct socket *make_send_sock(struct netns_ipvs *ipvs, int id) set_sock_size(sock->sk, 1, result); if (AF_INET == ipvs->mcfg.mcast_af) - result = bind_mcastif_addr(sock, ipvs->mcfg.mcast_ifn); + result = bind_mcastif_addr(sock, dev); else result = 0; if (result < 0) { @@ -1538,19 +1519,18 @@ static struct socket *make_send_sock(struct netns_ipvs *ipvs, int id) goto error; } - return sock; + return 0; error: - sock_release(sock); - return ERR_PTR(result); + return result; } /* * Set up receiving multicast socket over UDP */ -static struct socket *make_receive_sock(struct netns_ipvs *ipvs, int id, - int ifindex) +static int make_receive_sock(struct netns_ipvs *ipvs, int id, + struct net_device *dev, struct socket **sock_ret) { /* multicast addr */ union ipvs_sockaddr mcast_addr; @@ -1562,8 +1542,9 @@ static struct socket *make_receive_sock(struct netns_ipvs *ipvs, int id, IPPROTO_UDP, &sock); if (result < 0) { pr_err("Error during creation of socket; terminating\n"); - return ERR_PTR(result); + goto error; } + *sock_ret = sock; /* it is equivalent to the REUSEADDR option in user-space */ sock->sk->sk_reuse = SK_CAN_REUSE; result = sysctl_sync_sock_size(ipvs); @@ -1571,7 +1552,7 @@ static struct socket *make_receive_sock(struct netns_ipvs *ipvs, int id, set_sock_size(sock->sk, 0, result); get_mcast_sockaddr(&mcast_addr, &salen, &ipvs->bcfg, id); - sock->sk->sk_bound_dev_if = ifindex; + sock->sk->sk_bound_dev_if = dev->ifindex; result = sock->ops->bind(sock, (struct sockaddr *)&mcast_addr, salen); if (result < 0) { pr_err("Error binding to the multicast addr\n"); @@ -1582,21 +1563,20 @@ static struct socket *make_receive_sock(struct netns_ipvs *ipvs, int id, #ifdef CONFIG_IP_VS_IPV6 if (ipvs->bcfg.mcast_af == AF_INET6) result = join_mcast_group6(sock->sk, &mcast_addr.in6.sin6_addr, - ipvs->bcfg.mcast_ifn); + dev); else #endif result = join_mcast_group(sock->sk, &mcast_addr.in.sin_addr, - ipvs->bcfg.mcast_ifn); + dev); if (result < 0) { pr_err("Error joining to the multicast group\n"); goto error; } - return sock; + return 0; error: - sock_release(sock); - return ERR_PTR(result); + return result; } @@ -1778,13 +1758,12 @@ static int sync_thread_backup(void *data) int start_sync_thread(struct netns_ipvs *ipvs, struct ipvs_sync_daemon_cfg *c, int state) { - struct ip_vs_sync_thread_data *tinfo; + struct ip_vs_sync_thread_data *tinfo = NULL; struct task_struct **array = NULL, *task; - struct socket *sock; struct net_device *dev; char *name; int (*threadfn)(void *data); - int id, count, hlen; + int id = 0, count, hlen; int result = -ENOMEM; u16 mtu, min_mtu; @@ -1792,6 +1771,18 @@ int start_sync_thread(struct netns_ipvs *ipvs, struct ipvs_sync_daemon_cfg *c, IP_VS_DBG(7, "Each ip_vs_sync_conn entry needs %zd bytes\n", sizeof(struct ip_vs_sync_conn_v0)); + /* Do not hold one mutex and then to block on another */ + for (;;) { + rtnl_lock(); + if (mutex_trylock(&ipvs->sync_mutex)) + break; + rtnl_unlock(); + mutex_lock(&ipvs->sync_mutex); + if (rtnl_trylock()) + break; + mutex_unlock(&ipvs->sync_mutex); + } + if (!ipvs->sync_state) { count = clamp(sysctl_sync_ports(ipvs), 1, IPVS_SYNC_PORTS_MAX); ipvs->threads_mask = count - 1; @@ -1810,7 +1801,8 @@ int start_sync_thread(struct netns_ipvs *ipvs, struct ipvs_sync_daemon_cfg *c, dev = __dev_get_by_name(ipvs->net, c->mcast_ifn); if (!dev) { pr_err("Unknown mcast interface: %s\n", c->mcast_ifn); - return -ENODEV; + result = -ENODEV; + goto out_early; } hlen = (AF_INET6 == c->mcast_af) ? sizeof(struct ipv6hdr) + sizeof(struct udphdr) : @@ -1827,26 +1819,30 @@ int start_sync_thread(struct netns_ipvs *ipvs, struct ipvs_sync_daemon_cfg *c, c->sync_maxlen = mtu - hlen; if (state == IP_VS_STATE_MASTER) { + result = -EEXIST; if (ipvs->ms) - return -EEXIST; + goto out_early; ipvs->mcfg = *c; name = "ipvs-m:%d:%d"; threadfn = sync_thread_master; } else if (state == IP_VS_STATE_BACKUP) { + result = -EEXIST; if (ipvs->backup_threads) - return -EEXIST; + goto out_early; ipvs->bcfg = *c; name = "ipvs-b:%d:%d"; threadfn = sync_thread_backup; } else { - return -EINVAL; + result = -EINVAL; + goto out_early; } if (state == IP_VS_STATE_MASTER) { struct ipvs_master_sync_state *ms; + result = -ENOMEM; ipvs->ms = kcalloc(count, sizeof(ipvs->ms[0]), GFP_KERNEL); if (!ipvs->ms) goto out; @@ -1862,39 +1858,38 @@ int start_sync_thread(struct netns_ipvs *ipvs, struct ipvs_sync_daemon_cfg *c, } else { array = kcalloc(count, sizeof(struct task_struct *), GFP_KERNEL); + result = -ENOMEM; if (!array) goto out; } - tinfo = NULL; for (id = 0; id < count; id++) { - if (state == IP_VS_STATE_MASTER) - sock = make_send_sock(ipvs, id); - else - sock = make_receive_sock(ipvs, id, dev->ifindex); - if (IS_ERR(sock)) { - result = PTR_ERR(sock); - goto outtinfo; - } + result = -ENOMEM; tinfo = kmalloc(sizeof(*tinfo), GFP_KERNEL); if (!tinfo) - goto outsocket; + goto out; tinfo->ipvs = ipvs; - tinfo->sock = sock; + tinfo->sock = NULL; if (state == IP_VS_STATE_BACKUP) { tinfo->buf = kmalloc(ipvs->bcfg.sync_maxlen, GFP_KERNEL); if (!tinfo->buf) - goto outtinfo; + goto out; } else { tinfo->buf = NULL; } tinfo->id = id; + if (state == IP_VS_STATE_MASTER) + result = make_send_sock(ipvs, id, dev, &tinfo->sock); + else + result = make_receive_sock(ipvs, id, dev, &tinfo->sock); + if (result < 0) + goto out; task = kthread_run(threadfn, tinfo, name, ipvs->gen, id); if (IS_ERR(task)) { result = PTR_ERR(task); - goto outtinfo; + goto out; } tinfo = NULL; if (state == IP_VS_STATE_MASTER) @@ -1911,20 +1906,20 @@ int start_sync_thread(struct netns_ipvs *ipvs, struct ipvs_sync_daemon_cfg *c, ipvs->sync_state |= state; spin_unlock_bh(&ipvs->sync_buff_lock); + mutex_unlock(&ipvs->sync_mutex); + rtnl_unlock(); + /* increase the module use count */ ip_vs_use_count_inc(); return 0; -outsocket: - sock_release(sock); - -outtinfo: - if (tinfo) { - sock_release(tinfo->sock); - kfree(tinfo->buf); - kfree(tinfo); - } +out: + /* We do not need RTNL lock anymore, release it here so that + * sock_release below and in the kthreads can use rtnl_lock + * to leave the mcast group. + */ + rtnl_unlock(); count = id; while (count-- > 0) { if (state == IP_VS_STATE_MASTER) @@ -1932,13 +1927,23 @@ outtinfo: else kthread_stop(array[count]); } - kfree(array); - -out: if (!(ipvs->sync_state & IP_VS_STATE_MASTER)) { kfree(ipvs->ms); ipvs->ms = NULL; } + mutex_unlock(&ipvs->sync_mutex); + if (tinfo) { + if (tinfo->sock) + sock_release(tinfo->sock); + kfree(tinfo->buf); + kfree(tinfo); + } + kfree(array); + return result; + +out_early: + mutex_unlock(&ipvs->sync_mutex); + rtnl_unlock(); return result; } diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c index 8ef21d9f9a00..4b2b3d53acfc 100644 --- a/net/netfilter/nf_conntrack_expect.c +++ b/net/netfilter/nf_conntrack_expect.c @@ -252,7 +252,7 @@ static inline int expect_clash(const struct nf_conntrack_expect *a, static inline int expect_matches(const struct nf_conntrack_expect *a, const struct nf_conntrack_expect *b) { - return a->master == b->master && a->class == b->class && + return a->master == b->master && nf_ct_tuple_equal(&a->tuple, &b->tuple) && nf_ct_tuple_mask_equal(&a->mask, &b->mask) && net_eq(nf_ct_net(a->master), nf_ct_net(b->master)) && @@ -421,6 +421,9 @@ static inline int __nf_ct_expect_check(struct nf_conntrack_expect *expect) h = nf_ct_expect_dst_hash(net, &expect->tuple); hlist_for_each_entry_safe(i, next, &nf_ct_expect_hash[h], hnode) { if (expect_matches(i, expect)) { + if (i->class != expect->class) + return -EALREADY; + if (nf_ct_remove_expect(i)) break; } else if (expect_clash(i, expect)) { diff --git a/net/netfilter/nf_conntrack_extend.c b/net/netfilter/nf_conntrack_extend.c index 9fe0ddc333fb..277bbfe26478 100644 --- a/net/netfilter/nf_conntrack_extend.c +++ b/net/netfilter/nf_conntrack_extend.c @@ -9,6 +9,7 @@ * 2 of the License, or (at your option) any later version. */ #include <linux/kernel.h> +#include <linux/kmemleak.h> #include <linux/module.h> #include <linux/mutex.h> #include <linux/rcupdate.h> @@ -71,6 +72,7 @@ void *nf_ct_ext_add(struct nf_conn *ct, enum nf_ct_ext_id id, gfp_t gfp) rcu_read_unlock(); alloc = max(newlen, NF_CT_EXT_PREALLOC); + kmemleak_not_leak(old); new = __krealloc(old, alloc, gfp); if (!new) return NULL; diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c index 4dbb5bad4363..908e51e2dc2b 100644 --- a/net/netfilter/nf_conntrack_sip.c +++ b/net/netfilter/nf_conntrack_sip.c @@ -938,11 +938,19 @@ static int set_expected_rtp_rtcp(struct sk_buff *skb, unsigned int protoff, datalen, rtp_exp, rtcp_exp, mediaoff, medialen, daddr); else { - if (nf_ct_expect_related(rtp_exp) == 0) { - if (nf_ct_expect_related(rtcp_exp) != 0) - nf_ct_unexpect_related(rtp_exp); - else + /* -EALREADY handling works around end-points that send + * SDP messages with identical port but different media type, + * we pretend expectation was set up. + */ + int errp = nf_ct_expect_related(rtp_exp); + + if (errp == 0 || errp == -EALREADY) { + int errcp = nf_ct_expect_related(rtcp_exp); + + if (errcp == 0 || errcp == -EALREADY) ret = NF_ACCEPT; + else if (errp == 0) + nf_ct_unexpect_related(rtp_exp); } } nf_ct_expect_put(rtcp_exp); diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 9134cc429ad4..04d4e3772584 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -2361,41 +2361,46 @@ static int nf_tables_newrule(struct net *net, struct sock *nlsk, } if (nlh->nlmsg_flags & NLM_F_REPLACE) { - if (nft_is_active_next(net, old_rule)) { - trans = nft_trans_rule_add(&ctx, NFT_MSG_DELRULE, - old_rule); - if (trans == NULL) { - err = -ENOMEM; - goto err2; - } - nft_deactivate_next(net, old_rule); - chain->use--; - list_add_tail_rcu(&rule->list, &old_rule->list); - } else { + if (!nft_is_active_next(net, old_rule)) { err = -ENOENT; goto err2; } - } else if (nlh->nlmsg_flags & NLM_F_APPEND) - if (old_rule) - list_add_rcu(&rule->list, &old_rule->list); - else - list_add_tail_rcu(&rule->list, &chain->rules); - else { - if (old_rule) - list_add_tail_rcu(&rule->list, &old_rule->list); - else - list_add_rcu(&rule->list, &chain->rules); - } + trans = nft_trans_rule_add(&ctx, NFT_MSG_DELRULE, + old_rule); + if (trans == NULL) { + err = -ENOMEM; + goto err2; + } + nft_deactivate_next(net, old_rule); + chain->use--; - if (nft_trans_rule_add(&ctx, NFT_MSG_NEWRULE, rule) == NULL) { - err = -ENOMEM; - goto err3; + if (nft_trans_rule_add(&ctx, NFT_MSG_NEWRULE, rule) == NULL) { + err = -ENOMEM; + goto err2; + } + + list_add_tail_rcu(&rule->list, &old_rule->list); + } else { + if (nft_trans_rule_add(&ctx, NFT_MSG_NEWRULE, rule) == NULL) { + err = -ENOMEM; + goto err2; + } + + if (nlh->nlmsg_flags & NLM_F_APPEND) { + if (old_rule) + list_add_rcu(&rule->list, &old_rule->list); + else + list_add_tail_rcu(&rule->list, &chain->rules); + } else { + if (old_rule) + list_add_tail_rcu(&rule->list, &old_rule->list); + else + list_add_rcu(&rule->list, &chain->rules); + } } chain->use++; return 0; -err3: - list_del_rcu(&rule->list); err2: nf_tables_rule_destroy(&ctx, rule); err1: @@ -3207,18 +3212,20 @@ static int nf_tables_newset(struct net *net, struct sock *nlsk, err = ops->init(set, &desc, nla); if (err < 0) - goto err2; + goto err3; err = nft_trans_set_add(&ctx, NFT_MSG_NEWSET, set); if (err < 0) - goto err3; + goto err4; list_add_tail_rcu(&set->list, &table->sets); table->use++; return 0; -err3: +err4: ops->destroy(set); +err3: + kfree(set->name); err2: kvfree(set); err1: @@ -5738,7 +5745,7 @@ static void nft_chain_commit_update(struct nft_trans *trans) struct nft_base_chain *basechain; if (nft_trans_chain_name(trans)) - strcpy(trans->ctx.chain->name, nft_trans_chain_name(trans)); + swap(trans->ctx.chain->name, nft_trans_chain_name(trans)); if (!nft_is_base_chain(trans->ctx.chain)) return; diff --git a/net/netfilter/xt_connmark.c b/net/netfilter/xt_connmark.c index 773da82190dc..94df000abb92 100644 --- a/net/netfilter/xt_connmark.c +++ b/net/netfilter/xt_connmark.c @@ -36,11 +36,10 @@ MODULE_ALIAS("ipt_connmark"); MODULE_ALIAS("ip6t_connmark"); static unsigned int -connmark_tg_shift(struct sk_buff *skb, - const struct xt_connmark_tginfo1 *info, - u8 shift_bits, u8 shift_dir) +connmark_tg_shift(struct sk_buff *skb, const struct xt_connmark_tginfo2 *info) { enum ip_conntrack_info ctinfo; + u_int32_t new_targetmark; struct nf_conn *ct; u_int32_t newmark; @@ -51,34 +50,39 @@ connmark_tg_shift(struct sk_buff *skb, switch (info->mode) { case XT_CONNMARK_SET: newmark = (ct->mark & ~info->ctmask) ^ info->ctmark; - if (shift_dir == D_SHIFT_RIGHT) - newmark >>= shift_bits; + if (info->shift_dir == D_SHIFT_RIGHT) + newmark >>= info->shift_bits; else - newmark <<= shift_bits; + newmark <<= info->shift_bits; + if (ct->mark != newmark) { ct->mark = newmark; nf_conntrack_event_cache(IPCT_MARK, ct); } break; case XT_CONNMARK_SAVE: - newmark = (ct->mark & ~info->ctmask) ^ - (skb->mark & info->nfmask); - if (shift_dir == D_SHIFT_RIGHT) - newmark >>= shift_bits; + new_targetmark = (skb->mark & info->nfmask); + if (info->shift_dir == D_SHIFT_RIGHT) + new_targetmark >>= info->shift_bits; else - newmark <<= shift_bits; + new_targetmark <<= info->shift_bits; + + newmark = (ct->mark & ~info->ctmask) ^ + new_targetmark; if (ct->mark != newmark) { ct->mark = newmark; nf_conntrack_event_cache(IPCT_MARK, ct); } break; case XT_CONNMARK_RESTORE: - newmark = (skb->mark & ~info->nfmask) ^ - (ct->mark & info->ctmask); - if (shift_dir == D_SHIFT_RIGHT) - newmark >>= shift_bits; + new_targetmark = (ct->mark & info->ctmask); + if (info->shift_dir == D_SHIFT_RIGHT) + new_targetmark >>= info->shift_bits; else - newmark <<= shift_bits; + new_targetmark <<= info->shift_bits; + + newmark = (skb->mark & ~info->nfmask) ^ + new_targetmark; skb->mark = newmark; break; } @@ -89,8 +93,14 @@ static unsigned int connmark_tg(struct sk_buff *skb, const struct xt_action_param *par) { const struct xt_connmark_tginfo1 *info = par->targinfo; - - return connmark_tg_shift(skb, info, 0, 0); + const struct xt_connmark_tginfo2 info2 = { + .ctmark = info->ctmark, + .ctmask = info->ctmask, + .nfmask = info->nfmask, + .mode = info->mode, + }; + + return connmark_tg_shift(skb, &info2); } static unsigned int @@ -98,8 +108,7 @@ connmark_tg_v2(struct sk_buff *skb, const struct xt_action_param *par) { const struct xt_connmark_tginfo2 *info = par->targinfo; - return connmark_tg_shift(skb, (const struct xt_connmark_tginfo1 *)info, - info->shift_bits, info->shift_dir); + return connmark_tg_shift(skb, info); } static int connmark_tg_check(const struct xt_tgchk_param *par) diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index c31b0687396a..01f3515cada0 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -329,11 +329,11 @@ static void packet_pick_tx_queue(struct net_device *dev, struct sk_buff *skb) skb_set_queue_mapping(skb, queue_index); } -/* register_prot_hook must be invoked with the po->bind_lock held, +/* __register_prot_hook must be invoked through register_prot_hook * or from a context in which asynchronous accesses to the packet * socket is not possible (packet_create()). */ -static void register_prot_hook(struct sock *sk) +static void __register_prot_hook(struct sock *sk) { struct packet_sock *po = pkt_sk(sk); @@ -348,8 +348,13 @@ static void register_prot_hook(struct sock *sk) } } -/* {,__}unregister_prot_hook() must be invoked with the po->bind_lock - * held. If the sync parameter is true, we will temporarily drop +static void register_prot_hook(struct sock *sk) +{ + lockdep_assert_held_once(&pkt_sk(sk)->bind_lock); + __register_prot_hook(sk); +} + +/* If the sync parameter is true, we will temporarily drop * the po->bind_lock and do a synchronize_net to make sure no * asynchronous packet processing paths still refer to the elements * of po->prot_hook. If the sync parameter is false, it is the @@ -359,6 +364,8 @@ static void __unregister_prot_hook(struct sock *sk, bool sync) { struct packet_sock *po = pkt_sk(sk); + lockdep_assert_held_once(&po->bind_lock); + po->running = 0; if (po->fanout) @@ -3252,7 +3259,7 @@ static int packet_create(struct net *net, struct socket *sock, int protocol, if (proto) { po->prot_hook.type = proto; - register_prot_hook(sk); + __register_prot_hook(sk); } mutex_lock(&net->packet.sklist_lock); @@ -3732,12 +3739,18 @@ packet_setsockopt(struct socket *sock, int level, int optname, char __user *optv if (optlen != sizeof(val)) return -EINVAL; - if (po->rx_ring.pg_vec || po->tx_ring.pg_vec) - return -EBUSY; if (copy_from_user(&val, optval, sizeof(val))) return -EFAULT; - po->tp_loss = !!val; - return 0; + + lock_sock(sk); + if (po->rx_ring.pg_vec || po->tx_ring.pg_vec) { + ret = -EBUSY; + } else { + po->tp_loss = !!val; + ret = 0; + } + release_sock(sk); + return ret; } case PACKET_AUXDATA: { @@ -3748,7 +3761,9 @@ packet_setsockopt(struct socket *sock, int level, int optname, char __user *optv if (copy_from_user(&val, optval, sizeof(val))) return -EFAULT; + lock_sock(sk); po->auxdata = !!val; + release_sock(sk); return 0; } case PACKET_ORIGDEV: @@ -3760,7 +3775,9 @@ packet_setsockopt(struct socket *sock, int level, int optname, char __user *optv if (copy_from_user(&val, optval, sizeof(val))) return -EFAULT; + lock_sock(sk); po->origdev = !!val; + release_sock(sk); return 0; } case PACKET_VNET_HDR: @@ -3769,15 +3786,20 @@ packet_setsockopt(struct socket *sock, int level, int optname, char __user *optv if (sock->type != SOCK_RAW) return -EINVAL; - if (po->rx_ring.pg_vec || po->tx_ring.pg_vec) - return -EBUSY; if (optlen < sizeof(val)) return -EINVAL; if (copy_from_user(&val, optval, sizeof(val))) return -EFAULT; - po->has_vnet_hdr = !!val; - return 0; + lock_sock(sk); + if (po->rx_ring.pg_vec || po->tx_ring.pg_vec) { + ret = -EBUSY; + } else { + po->has_vnet_hdr = !!val; + ret = 0; + } + release_sock(sk); + return ret; } case PACKET_TIMESTAMP: { @@ -3815,11 +3837,17 @@ packet_setsockopt(struct socket *sock, int level, int optname, char __user *optv if (optlen != sizeof(val)) return -EINVAL; - if (po->rx_ring.pg_vec || po->tx_ring.pg_vec) - return -EBUSY; if (copy_from_user(&val, optval, sizeof(val))) return -EFAULT; - po->tp_tx_has_off = !!val; + + lock_sock(sk); + if (po->rx_ring.pg_vec || po->tx_ring.pg_vec) { + ret = -EBUSY; + } else { + po->tp_tx_has_off = !!val; + ret = 0; + } + release_sock(sk); return 0; } case PACKET_QDISC_BYPASS: diff --git a/net/packet/internal.h b/net/packet/internal.h index a1d2b2319ae9..3bb7c5fb3bff 100644 --- a/net/packet/internal.h +++ b/net/packet/internal.h @@ -112,10 +112,12 @@ struct packet_sock { int copy_thresh; spinlock_t bind_lock; struct mutex pg_vec_lock; - unsigned int running:1, /* prot_hook is attached*/ - auxdata:1, + unsigned int running; /* bind_lock must be held */ + unsigned int auxdata:1, /* writer must hold sock lock */ origdev:1, - has_vnet_hdr:1; + has_vnet_hdr:1, + tp_loss:1, + tp_tx_has_off:1; int pressure; int ifindex; /* bound device */ __be16 num; @@ -125,8 +127,6 @@ struct packet_sock { enum tpacket_versions tp_version; unsigned int tp_hdrlen; unsigned int tp_reserve; - unsigned int tp_loss:1; - unsigned int tp_tx_has_off:1; unsigned int tp_tstamp; struct net_device __rcu *cached_dev; int (*xmit)(struct sk_buff *skb); diff --git a/net/sched/act_ife.c b/net/sched/act_ife.c index a5994cf0512b..8527cfdc446d 100644 --- a/net/sched/act_ife.c +++ b/net/sched/act_ife.c @@ -652,7 +652,7 @@ static int find_decode_metaid(struct sk_buff *skb, struct tcf_ife_info *ife, } } - return 0; + return -ENOENT; } static int tcf_ife_decode(struct sk_buff *skb, const struct tc_action *a, @@ -682,7 +682,12 @@ static int tcf_ife_decode(struct sk_buff *skb, const struct tc_action *a, u16 mtype; u16 dlen; - curr_data = ife_tlv_meta_decode(tlv_data, &mtype, &dlen, NULL); + curr_data = ife_tlv_meta_decode(tlv_data, ifehdr_end, &mtype, + &dlen, NULL); + if (!curr_data) { + qstats_drop_inc(this_cpu_ptr(ife->common.cpu_qstats)); + return TC_ACT_SHOT; + } if (find_decode_metaid(skb, ife, mtype, dlen, curr_data)) { /* abuse overlimits to count when we receive metadata diff --git a/net/strparser/strparser.c b/net/strparser/strparser.c index 805b139756db..092bebc70048 100644 --- a/net/strparser/strparser.c +++ b/net/strparser/strparser.c @@ -67,7 +67,7 @@ static void strp_abort_strp(struct strparser *strp, int err) static void strp_start_timer(struct strparser *strp, long timeo) { - if (timeo) + if (timeo && timeo != LONG_MAX) mod_delayed_work(strp_wq, &strp->msg_timer_work, timeo); } diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl index 191eb949d52c..fe06e77c15eb 100755 --- a/scripts/recordmcount.pl +++ b/scripts/recordmcount.pl @@ -266,13 +266,29 @@ if ($arch eq "x86_64") { $objcopy .= " -O elf32-sh-linux"; } elsif ($arch eq "powerpc") { + my $ldemulation; + $local_regex = "^[0-9a-fA-F]+\\s+t\\s+(\\.?\\S+)"; # See comment in the sparc64 section for why we use '\w'. $function_regex = "^([0-9a-fA-F]+)\\s+<(\\.?\\w*?)>:"; $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\s\\.?_mcount\$"; + if ($endian eq "big") { + $cc .= " -mbig-endian "; + $ld .= " -EB "; + $ldemulation = "ppc" + } else { + $cc .= " -mlittle-endian "; + $ld .= " -EL "; + $ldemulation = "lppc" + } if ($bits == 64) { - $type = ".quad"; + $type = ".quad"; + $cc .= " -m64 "; + $ld .= " -m elf64".$ldemulation." "; + } else { + $cc .= " -m32 "; + $ld .= " -m elf32".$ldemulation." "; } } elsif ($arch eq "arm") { diff --git a/security/commoncap.c b/security/commoncap.c index 48620c93d697..1ce701fcb3f3 100644 --- a/security/commoncap.c +++ b/security/commoncap.c @@ -449,6 +449,8 @@ int cap_inode_getsecurity(struct inode *inode, const char *name, void **buffer, magic |= VFS_CAP_FLAGS_EFFECTIVE; memcpy(&cap->data, &nscap->data, sizeof(__le32) * 2 * VFS_CAP_U32); cap->magic_etc = cpu_to_le32(magic); + } else { + size = -ENOMEM; } } kfree(tmpbuf); diff --git a/sound/core/control.c b/sound/core/control.c index 69734b0eafd0..9aa15bfc7936 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -1492,7 +1492,7 @@ static int snd_ctl_tlv_ioctl(struct snd_ctl_file *file, int op_flag) { struct snd_ctl_tlv header; - unsigned int *container; + unsigned int __user *container; unsigned int container_size; struct snd_kcontrol *kctl; struct snd_ctl_elem_id id; diff --git a/sound/core/pcm_compat.c b/sound/core/pcm_compat.c index b719d0bd833e..06d7c40af570 100644 --- a/sound/core/pcm_compat.c +++ b/sound/core/pcm_compat.c @@ -27,10 +27,11 @@ static int snd_pcm_ioctl_delay_compat(struct snd_pcm_substream *substream, s32 __user *src) { snd_pcm_sframes_t delay; + int err; - delay = snd_pcm_delay(substream); - if (delay < 0) - return delay; + err = snd_pcm_delay(substream, &delay); + if (err) + return err; if (put_user(delay, src)) return -EFAULT; return 0; diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 35ffccea94c3..0e875d5a9e86 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -2692,7 +2692,8 @@ static int snd_pcm_hwsync(struct snd_pcm_substream *substream) return err; } -static snd_pcm_sframes_t snd_pcm_delay(struct snd_pcm_substream *substream) +static int snd_pcm_delay(struct snd_pcm_substream *substream, + snd_pcm_sframes_t *delay) { struct snd_pcm_runtime *runtime = substream->runtime; int err; @@ -2708,7 +2709,9 @@ static snd_pcm_sframes_t snd_pcm_delay(struct snd_pcm_substream *substream) n += runtime->delay; } snd_pcm_stream_unlock_irq(substream); - return err < 0 ? err : n; + if (!err) + *delay = n; + return err; } static int snd_pcm_sync_ptr(struct snd_pcm_substream *substream, @@ -2751,6 +2754,7 @@ static int snd_pcm_sync_ptr(struct snd_pcm_substream *substream, sync_ptr.s.status.hw_ptr = status->hw_ptr; sync_ptr.s.status.tstamp = status->tstamp; sync_ptr.s.status.suspended_state = status->suspended_state; + sync_ptr.s.status.audio_tstamp = status->audio_tstamp; snd_pcm_stream_unlock_irq(substream); if (copy_to_user(_sync_ptr, &sync_ptr, sizeof(sync_ptr))) return -EFAULT; @@ -2916,11 +2920,13 @@ static int snd_pcm_common_ioctl(struct file *file, return snd_pcm_hwsync(substream); case SNDRV_PCM_IOCTL_DELAY: { - snd_pcm_sframes_t delay = snd_pcm_delay(substream); + snd_pcm_sframes_t delay; snd_pcm_sframes_t __user *res = arg; + int err; - if (delay < 0) - return delay; + err = snd_pcm_delay(substream, &delay); + if (err) + return err; if (put_user(delay, res)) return -EFAULT; return 0; @@ -3008,13 +3014,7 @@ int snd_pcm_kernel_ioctl(struct snd_pcm_substream *substream, case SNDRV_PCM_IOCTL_DROP: return snd_pcm_drop(substream); case SNDRV_PCM_IOCTL_DELAY: - { - result = snd_pcm_delay(substream); - if (result < 0) - return result; - *frames = result; - return 0; - } + return snd_pcm_delay(substream, frames); default: return -EINVAL; } @@ -3234,7 +3234,7 @@ static __poll_t snd_pcm_capture_poll(struct file *file, poll_table * wait) /* * mmap status record */ -static int snd_pcm_mmap_status_fault(struct vm_fault *vmf) +static vm_fault_t snd_pcm_mmap_status_fault(struct vm_fault *vmf) { struct snd_pcm_substream *substream = vmf->vma->vm_private_data; struct snd_pcm_runtime *runtime; @@ -3270,7 +3270,7 @@ static int snd_pcm_mmap_status(struct snd_pcm_substream *substream, struct file /* * mmap control record */ -static int snd_pcm_mmap_control_fault(struct vm_fault *vmf) +static vm_fault_t snd_pcm_mmap_control_fault(struct vm_fault *vmf) { struct snd_pcm_substream *substream = vmf->vma->vm_private_data; struct snd_pcm_runtime *runtime; @@ -3359,7 +3359,7 @@ snd_pcm_default_page_ops(struct snd_pcm_substream *substream, unsigned long ofs) /* * fault callback for mmapping a RAM page */ -static int snd_pcm_mmap_data_fault(struct vm_fault *vmf) +static vm_fault_t snd_pcm_mmap_data_fault(struct vm_fault *vmf) { struct snd_pcm_substream *substream = vmf->vma->vm_private_data; struct snd_pcm_runtime *runtime; diff --git a/sound/core/seq/oss/seq_oss_event.c b/sound/core/seq/oss/seq_oss_event.c index c3908862bc8b..86ca584c27b2 100644 --- a/sound/core/seq/oss/seq_oss_event.c +++ b/sound/core/seq/oss/seq_oss_event.c @@ -26,6 +26,7 @@ #include <sound/seq_oss_legacy.h> #include "seq_oss_readq.h" #include "seq_oss_writeq.h" +#include <linux/nospec.h> /* @@ -287,10 +288,10 @@ note_on_event(struct seq_oss_devinfo *dp, int dev, int ch, int note, int vel, st { struct seq_oss_synthinfo *info; - if (!snd_seq_oss_synth_is_valid(dp, dev)) + info = snd_seq_oss_synth_info(dp, dev); + if (!info) return -ENXIO; - info = &dp->synths[dev]; switch (info->arg.event_passing) { case SNDRV_SEQ_OSS_PROCESS_EVENTS: if (! info->ch || ch < 0 || ch >= info->nr_voices) { @@ -298,6 +299,7 @@ note_on_event(struct seq_oss_devinfo *dp, int dev, int ch, int note, int vel, st return set_note_event(dp, dev, SNDRV_SEQ_EVENT_NOTEON, ch, note, vel, ev); } + ch = array_index_nospec(ch, info->nr_voices); if (note == 255 && info->ch[ch].note >= 0) { /* volume control */ int type; @@ -347,10 +349,10 @@ note_off_event(struct seq_oss_devinfo *dp, int dev, int ch, int note, int vel, s { struct seq_oss_synthinfo *info; - if (!snd_seq_oss_synth_is_valid(dp, dev)) + info = snd_seq_oss_synth_info(dp, dev); + if (!info) return -ENXIO; - info = &dp->synths[dev]; switch (info->arg.event_passing) { case SNDRV_SEQ_OSS_PROCESS_EVENTS: if (! info->ch || ch < 0 || ch >= info->nr_voices) { @@ -358,6 +360,7 @@ note_off_event(struct seq_oss_devinfo *dp, int dev, int ch, int note, int vel, s return set_note_event(dp, dev, SNDRV_SEQ_EVENT_NOTEON, ch, note, vel, ev); } + ch = array_index_nospec(ch, info->nr_voices); if (info->ch[ch].note >= 0) { note = info->ch[ch].note; info->ch[ch].vel = 0; @@ -381,7 +384,7 @@ note_off_event(struct seq_oss_devinfo *dp, int dev, int ch, int note, int vel, s static int set_note_event(struct seq_oss_devinfo *dp, int dev, int type, int ch, int note, int vel, struct snd_seq_event *ev) { - if (! snd_seq_oss_synth_is_valid(dp, dev)) + if (!snd_seq_oss_synth_info(dp, dev)) return -ENXIO; ev->type = type; @@ -399,7 +402,7 @@ set_note_event(struct seq_oss_devinfo *dp, int dev, int type, int ch, int note, static int set_control_event(struct seq_oss_devinfo *dp, int dev, int type, int ch, int param, int val, struct snd_seq_event *ev) { - if (! snd_seq_oss_synth_is_valid(dp, dev)) + if (!snd_seq_oss_synth_info(dp, dev)) return -ENXIO; ev->type = type; diff --git a/sound/core/seq/oss/seq_oss_midi.c b/sound/core/seq/oss/seq_oss_midi.c index b30b2139e3f0..9debd1b8fd28 100644 --- a/sound/core/seq/oss/seq_oss_midi.c +++ b/sound/core/seq/oss/seq_oss_midi.c @@ -29,6 +29,7 @@ #include "../seq_lock.h" #include <linux/init.h> #include <linux/slab.h> +#include <linux/nospec.h> /* @@ -315,6 +316,7 @@ get_mididev(struct seq_oss_devinfo *dp, int dev) { if (dev < 0 || dev >= dp->max_mididev) return NULL; + dev = array_index_nospec(dev, dp->max_mididev); return get_mdev(dev); } diff --git a/sound/core/seq/oss/seq_oss_synth.c b/sound/core/seq/oss/seq_oss_synth.c index cd0e0ebbfdb1..278ebb993122 100644 --- a/sound/core/seq/oss/seq_oss_synth.c +++ b/sound/core/seq/oss/seq_oss_synth.c @@ -26,6 +26,7 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/slab.h> +#include <linux/nospec.h> /* * constants @@ -339,17 +340,13 @@ snd_seq_oss_synth_cleanup(struct seq_oss_devinfo *dp) dp->max_synthdev = 0; } -/* - * check if the specified device is MIDI mapped device - */ -static int -is_midi_dev(struct seq_oss_devinfo *dp, int dev) +static struct seq_oss_synthinfo * +get_synthinfo_nospec(struct seq_oss_devinfo *dp, int dev) { if (dev < 0 || dev >= dp->max_synthdev) - return 0; - if (dp->synths[dev].is_midi) - return 1; - return 0; + return NULL; + dev = array_index_nospec(dev, SNDRV_SEQ_OSS_MAX_SYNTH_DEVS); + return &dp->synths[dev]; } /* @@ -359,14 +356,20 @@ static struct seq_oss_synth * get_synthdev(struct seq_oss_devinfo *dp, int dev) { struct seq_oss_synth *rec; - if (dev < 0 || dev >= dp->max_synthdev) - return NULL; - if (! dp->synths[dev].opened) + struct seq_oss_synthinfo *info = get_synthinfo_nospec(dp, dev); + + if (!info) return NULL; - if (dp->synths[dev].is_midi) - return &midi_synth_dev; - if ((rec = get_sdev(dev)) == NULL) + if (!info->opened) return NULL; + if (info->is_midi) { + rec = &midi_synth_dev; + snd_use_lock_use(&rec->use_lock); + } else { + rec = get_sdev(dev); + if (!rec) + return NULL; + } if (! rec->opened) { snd_use_lock_free(&rec->use_lock); return NULL; @@ -402,10 +405,8 @@ snd_seq_oss_synth_reset(struct seq_oss_devinfo *dp, int dev) struct seq_oss_synth *rec; struct seq_oss_synthinfo *info; - if (snd_BUG_ON(dev < 0 || dev >= dp->max_synthdev)) - return; - info = &dp->synths[dev]; - if (! info->opened) + info = get_synthinfo_nospec(dp, dev); + if (!info || !info->opened) return; if (info->sysex) info->sysex->len = 0; /* reset sysex */ @@ -454,12 +455,14 @@ snd_seq_oss_synth_load_patch(struct seq_oss_devinfo *dp, int dev, int fmt, const char __user *buf, int p, int c) { struct seq_oss_synth *rec; + struct seq_oss_synthinfo *info; int rc; - if (dev < 0 || dev >= dp->max_synthdev) + info = get_synthinfo_nospec(dp, dev); + if (!info) return -ENXIO; - if (is_midi_dev(dp, dev)) + if (info->is_midi) return 0; if ((rec = get_synthdev(dp, dev)) == NULL) return -ENXIO; @@ -467,24 +470,25 @@ snd_seq_oss_synth_load_patch(struct seq_oss_devinfo *dp, int dev, int fmt, if (rec->oper.load_patch == NULL) rc = -ENXIO; else - rc = rec->oper.load_patch(&dp->synths[dev].arg, fmt, buf, p, c); + rc = rec->oper.load_patch(&info->arg, fmt, buf, p, c); snd_use_lock_free(&rec->use_lock); return rc; } /* - * check if the device is valid synth device + * check if the device is valid synth device and return the synth info */ -int -snd_seq_oss_synth_is_valid(struct seq_oss_devinfo *dp, int dev) +struct seq_oss_synthinfo * +snd_seq_oss_synth_info(struct seq_oss_devinfo *dp, int dev) { struct seq_oss_synth *rec; + rec = get_synthdev(dp, dev); if (rec) { snd_use_lock_free(&rec->use_lock); - return 1; + return get_synthinfo_nospec(dp, dev); } - return 0; + return NULL; } @@ -499,16 +503,18 @@ snd_seq_oss_synth_sysex(struct seq_oss_devinfo *dp, int dev, unsigned char *buf, int i, send; unsigned char *dest; struct seq_oss_synth_sysex *sysex; + struct seq_oss_synthinfo *info; - if (! snd_seq_oss_synth_is_valid(dp, dev)) + info = snd_seq_oss_synth_info(dp, dev); + if (!info) return -ENXIO; - sysex = dp->synths[dev].sysex; + sysex = info->sysex; if (sysex == NULL) { sysex = kzalloc(sizeof(*sysex), GFP_KERNEL); if (sysex == NULL) return -ENOMEM; - dp->synths[dev].sysex = sysex; + info->sysex = sysex; } send = 0; @@ -553,10 +559,12 @@ snd_seq_oss_synth_sysex(struct seq_oss_devinfo *dp, int dev, unsigned char *buf, int snd_seq_oss_synth_addr(struct seq_oss_devinfo *dp, int dev, struct snd_seq_event *ev) { - if (! snd_seq_oss_synth_is_valid(dp, dev)) + struct seq_oss_synthinfo *info = snd_seq_oss_synth_info(dp, dev); + + if (!info) return -EINVAL; - snd_seq_oss_fill_addr(dp, ev, dp->synths[dev].arg.addr.client, - dp->synths[dev].arg.addr.port); + snd_seq_oss_fill_addr(dp, ev, info->arg.addr.client, + info->arg.addr.port); return 0; } @@ -568,16 +576,18 @@ int snd_seq_oss_synth_ioctl(struct seq_oss_devinfo *dp, int dev, unsigned int cmd, unsigned long addr) { struct seq_oss_synth *rec; + struct seq_oss_synthinfo *info; int rc; - if (is_midi_dev(dp, dev)) + info = get_synthinfo_nospec(dp, dev); + if (!info || info->is_midi) return -ENXIO; if ((rec = get_synthdev(dp, dev)) == NULL) return -ENXIO; if (rec->oper.ioctl == NULL) rc = -ENXIO; else - rc = rec->oper.ioctl(&dp->synths[dev].arg, cmd, addr); + rc = rec->oper.ioctl(&info->arg, cmd, addr); snd_use_lock_free(&rec->use_lock); return rc; } @@ -589,7 +599,10 @@ snd_seq_oss_synth_ioctl(struct seq_oss_devinfo *dp, int dev, unsigned int cmd, u int snd_seq_oss_synth_raw_event(struct seq_oss_devinfo *dp, int dev, unsigned char *data, struct snd_seq_event *ev) { - if (! snd_seq_oss_synth_is_valid(dp, dev) || is_midi_dev(dp, dev)) + struct seq_oss_synthinfo *info; + + info = snd_seq_oss_synth_info(dp, dev); + if (!info || info->is_midi) return -ENXIO; ev->type = SNDRV_SEQ_EVENT_OSS; memcpy(ev->data.raw8.d, data, 8); diff --git a/sound/core/seq/oss/seq_oss_synth.h b/sound/core/seq/oss/seq_oss_synth.h index 74ac55f166b6..a63f9e22974d 100644 --- a/sound/core/seq/oss/seq_oss_synth.h +++ b/sound/core/seq/oss/seq_oss_synth.h @@ -37,7 +37,8 @@ void snd_seq_oss_synth_cleanup(struct seq_oss_devinfo *dp); void snd_seq_oss_synth_reset(struct seq_oss_devinfo *dp, int dev); int snd_seq_oss_synth_load_patch(struct seq_oss_devinfo *dp, int dev, int fmt, const char __user *buf, int p, int c); -int snd_seq_oss_synth_is_valid(struct seq_oss_devinfo *dp, int dev); +struct seq_oss_synthinfo *snd_seq_oss_synth_info(struct seq_oss_devinfo *dp, + int dev); int snd_seq_oss_synth_sysex(struct seq_oss_devinfo *dp, int dev, unsigned char *buf, struct snd_seq_event *ev); int snd_seq_oss_synth_addr(struct seq_oss_devinfo *dp, int dev, struct snd_seq_event *ev); diff --git a/sound/drivers/opl3/opl3_synth.c b/sound/drivers/opl3/opl3_synth.c index ddcc1a325a61..42920a243328 100644 --- a/sound/drivers/opl3/opl3_synth.c +++ b/sound/drivers/opl3/opl3_synth.c @@ -21,6 +21,7 @@ #include <linux/slab.h> #include <linux/export.h> +#include <linux/nospec.h> #include <sound/opl3.h> #include <sound/asound_fm.h> @@ -448,7 +449,7 @@ static int snd_opl3_set_voice(struct snd_opl3 * opl3, struct snd_dm_fm_voice * v { unsigned short reg_side; unsigned char op_offset; - unsigned char voice_offset; + unsigned char voice_offset, voice_op; unsigned short opl3_reg; unsigned char reg_val; @@ -473,7 +474,9 @@ static int snd_opl3_set_voice(struct snd_opl3 * opl3, struct snd_dm_fm_voice * v voice_offset = voice->voice - MAX_OPL2_VOICES; } /* Get register offset of operator */ - op_offset = snd_opl3_regmap[voice_offset][voice->op]; + voice_offset = array_index_nospec(voice_offset, MAX_OPL2_VOICES); + voice_op = array_index_nospec(voice->op, 4); + op_offset = snd_opl3_regmap[voice_offset][voice_op]; reg_val = 0x00; /* Set amplitude modulation (tremolo) effect */ diff --git a/sound/firewire/dice/dice-stream.c b/sound/firewire/dice/dice-stream.c index 8573289c381e..928a255bfc35 100644 --- a/sound/firewire/dice/dice-stream.c +++ b/sound/firewire/dice/dice-stream.c @@ -435,7 +435,7 @@ int snd_dice_stream_init_duplex(struct snd_dice *dice) err = init_stream(dice, AMDTP_IN_STREAM, i); if (err < 0) { for (; i >= 0; i--) - destroy_stream(dice, AMDTP_OUT_STREAM, i); + destroy_stream(dice, AMDTP_IN_STREAM, i); goto end; } } diff --git a/sound/firewire/dice/dice.c b/sound/firewire/dice/dice.c index 4ddb4cdd054b..96bb01b6b751 100644 --- a/sound/firewire/dice/dice.c +++ b/sound/firewire/dice/dice.c @@ -14,7 +14,7 @@ MODULE_LICENSE("GPL v2"); #define OUI_WEISS 0x001c6a #define OUI_LOUD 0x000ff2 #define OUI_FOCUSRITE 0x00130e -#define OUI_TCELECTRONIC 0x001486 +#define OUI_TCELECTRONIC 0x000166 #define DICE_CATEGORY_ID 0x04 #define WEISS_CATEGORY_ID 0x00 diff --git a/sound/pci/asihpi/hpimsginit.c b/sound/pci/asihpi/hpimsginit.c index 7eb617175fde..a31a70dccecf 100644 --- a/sound/pci/asihpi/hpimsginit.c +++ b/sound/pci/asihpi/hpimsginit.c @@ -23,6 +23,7 @@ #include "hpi_internal.h" #include "hpimsginit.h" +#include <linux/nospec.h> /* The actual message size for each object type */ static u16 msg_size[HPI_OBJ_MAXINDEX + 1] = HPI_MESSAGE_SIZE_BY_OBJECT; @@ -39,10 +40,12 @@ static void hpi_init_message(struct hpi_message *phm, u16 object, { u16 size; - if ((object > 0) && (object <= HPI_OBJ_MAXINDEX)) + if ((object > 0) && (object <= HPI_OBJ_MAXINDEX)) { + object = array_index_nospec(object, HPI_OBJ_MAXINDEX + 1); size = msg_size[object]; - else + } else { size = sizeof(*phm); + } memset(phm, 0, size); phm->size = size; @@ -66,10 +69,12 @@ void hpi_init_response(struct hpi_response *phr, u16 object, u16 function, { u16 size; - if ((object > 0) && (object <= HPI_OBJ_MAXINDEX)) + if ((object > 0) && (object <= HPI_OBJ_MAXINDEX)) { + object = array_index_nospec(object, HPI_OBJ_MAXINDEX + 1); size = res_size[object]; - else + } else { size = sizeof(*phr); + } memset(phr, 0, sizeof(*phr)); phr->size = size; diff --git a/sound/pci/asihpi/hpioctl.c b/sound/pci/asihpi/hpioctl.c index 5badd08e1d69..b1a2a7ea4172 100644 --- a/sound/pci/asihpi/hpioctl.c +++ b/sound/pci/asihpi/hpioctl.c @@ -33,6 +33,7 @@ #include <linux/stringify.h> #include <linux/module.h> #include <linux/vmalloc.h> +#include <linux/nospec.h> #ifdef MODULE_FIRMWARE MODULE_FIRMWARE("asihpi/dsp5000.bin"); @@ -186,7 +187,8 @@ long asihpi_hpi_ioctl(struct file *file, unsigned int cmd, unsigned long arg) struct hpi_adapter *pa = NULL; if (hm->h.adapter_index < ARRAY_SIZE(adapters)) - pa = &adapters[hm->h.adapter_index]; + pa = &adapters[array_index_nospec(hm->h.adapter_index, + ARRAY_SIZE(adapters))]; if (!pa || !pa->adapter || !pa->adapter->type) { hpi_init_response(&hr->r0, hm->h.object, diff --git a/sound/pci/hda/hda_hwdep.c b/sound/pci/hda/hda_hwdep.c index 57df06e76968..cc009a4a3d1d 100644 --- a/sound/pci/hda/hda_hwdep.c +++ b/sound/pci/hda/hda_hwdep.c @@ -21,6 +21,7 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/compat.h> +#include <linux/nospec.h> #include <sound/core.h> #include "hda_codec.h" #include "hda_local.h" @@ -51,7 +52,16 @@ static int get_wcap_ioctl(struct hda_codec *codec, if (get_user(verb, &arg->verb)) return -EFAULT; - res = get_wcaps(codec, verb >> 24); + /* open-code get_wcaps(verb>>24) with nospec */ + verb >>= 24; + if (verb < codec->core.start_nid || + verb >= codec->core.start_nid + codec->core.num_nodes) { + res = 0; + } else { + verb -= codec->core.start_nid; + verb = array_index_nospec(verb, codec->core.num_nodes); + res = codec->wcaps[verb]; + } if (put_user(res, &arg->res)) return -EFAULT; return 0; diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index b4f1b6e88305..7d7eb1354eee 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -1383,6 +1383,8 @@ static void hdmi_pcm_setup_pin(struct hdmi_spec *spec, pcm = get_pcm_rec(spec, per_pin->pcm_idx); else return; + if (!pcm->pcm) + return; if (!test_bit(per_pin->pcm_idx, &spec->pcm_in_use)) return; @@ -2151,8 +2153,13 @@ static int generic_hdmi_build_controls(struct hda_codec *codec) int dev, err; int pin_idx, pcm_idx; - for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) { + if (!get_pcm_rec(spec, pcm_idx)->pcm) { + /* no PCM: mark this for skipping permanently */ + set_bit(pcm_idx, &spec->pcm_bitmap); + continue; + } + err = generic_hdmi_build_jack(codec, pcm_idx); if (err < 0) return err; diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index fc77bf7a1544..8c238e51bb5a 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -331,6 +331,7 @@ static void alc_fill_eapd_coef(struct hda_codec *codec) /* fallthrough */ case 0x10ec0215: case 0x10ec0233: + case 0x10ec0235: case 0x10ec0236: case 0x10ec0255: case 0x10ec0256: @@ -6575,6 +6576,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x30bb, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY), SND_PCI_QUIRK(0x17aa, 0x30e2, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY), SND_PCI_QUIRK(0x17aa, 0x310c, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION), + SND_PCI_QUIRK(0x17aa, 0x312f, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION), SND_PCI_QUIRK(0x17aa, 0x3138, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION), SND_PCI_QUIRK(0x17aa, 0x313c, "ThinkCentre Station", ALC294_FIXUP_LENOVO_MIC_LOCATION), SND_PCI_QUIRK(0x17aa, 0x3112, "ThinkCentre AIO", ALC233_FIXUP_LENOVO_LINE2_MIC_HOTKEY), @@ -7160,8 +7162,11 @@ static int patch_alc269(struct hda_codec *codec) case 0x10ec0298: spec->codec_variant = ALC269_TYPE_ALC298; break; + case 0x10ec0235: case 0x10ec0255: spec->codec_variant = ALC269_TYPE_ALC255; + spec->shutup = alc256_shutup; + spec->init_hook = alc256_init; break; case 0x10ec0236: case 0x10ec0256: diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c index 4c59983158e0..11b5b5e0e058 100644 --- a/sound/pci/rme9652/hdspm.c +++ b/sound/pci/rme9652/hdspm.c @@ -137,6 +137,7 @@ #include <linux/pci.h> #include <linux/math64.h> #include <linux/io.h> +#include <linux/nospec.h> #include <sound/core.h> #include <sound/control.h> @@ -5698,40 +5699,43 @@ static int snd_hdspm_channel_info(struct snd_pcm_substream *substream, struct snd_pcm_channel_info *info) { struct hdspm *hdspm = snd_pcm_substream_chip(substream); + unsigned int channel = info->channel; if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - if (snd_BUG_ON(info->channel >= hdspm->max_channels_out)) { + if (snd_BUG_ON(channel >= hdspm->max_channels_out)) { dev_info(hdspm->card->dev, "snd_hdspm_channel_info: output channel out of range (%d)\n", - info->channel); + channel); return -EINVAL; } - if (hdspm->channel_map_out[info->channel] < 0) { + channel = array_index_nospec(channel, hdspm->max_channels_out); + if (hdspm->channel_map_out[channel] < 0) { dev_info(hdspm->card->dev, "snd_hdspm_channel_info: output channel %d mapped out\n", - info->channel); + channel); return -EINVAL; } - info->offset = hdspm->channel_map_out[info->channel] * + info->offset = hdspm->channel_map_out[channel] * HDSPM_CHANNEL_BUFFER_BYTES; } else { - if (snd_BUG_ON(info->channel >= hdspm->max_channels_in)) { + if (snd_BUG_ON(channel >= hdspm->max_channels_in)) { dev_info(hdspm->card->dev, "snd_hdspm_channel_info: input channel out of range (%d)\n", - info->channel); + channel); return -EINVAL; } - if (hdspm->channel_map_in[info->channel] < 0) { + channel = array_index_nospec(channel, hdspm->max_channels_in); + if (hdspm->channel_map_in[channel] < 0) { dev_info(hdspm->card->dev, "snd_hdspm_channel_info: input channel %d mapped out\n", - info->channel); + channel); return -EINVAL; } - info->offset = hdspm->channel_map_in[info->channel] * + info->offset = hdspm->channel_map_in[channel] * HDSPM_CHANNEL_BUFFER_BYTES; } diff --git a/sound/pci/rme9652/rme9652.c b/sound/pci/rme9652/rme9652.c index df648b1d9217..edd765e22377 100644 --- a/sound/pci/rme9652/rme9652.c +++ b/sound/pci/rme9652/rme9652.c @@ -26,6 +26,7 @@ #include <linux/pci.h> #include <linux/module.h> #include <linux/io.h> +#include <linux/nospec.h> #include <sound/core.h> #include <sound/control.h> @@ -2071,9 +2072,10 @@ static int snd_rme9652_channel_info(struct snd_pcm_substream *substream, if (snd_BUG_ON(info->channel >= RME9652_NCHANNELS)) return -EINVAL; - if ((chn = rme9652->channel_map[info->channel]) < 0) { + chn = rme9652->channel_map[array_index_nospec(info->channel, + RME9652_NCHANNELS)]; + if (chn < 0) return -EINVAL; - } info->offset = chn * RME9652_CHANNEL_BUFFER_BYTES; info->first = 0; diff --git a/sound/soc/amd/acp-da7219-max98357a.c b/sound/soc/amd/acp-da7219-max98357a.c index b205c782e494..f41560ecbcd1 100644 --- a/sound/soc/amd/acp-da7219-max98357a.c +++ b/sound/soc/amd/acp-da7219-max98357a.c @@ -43,7 +43,7 @@ #define DUAL_CHANNEL 2 static struct snd_soc_jack cz_jack; -struct clk *da7219_dai_clk; +static struct clk *da7219_dai_clk; static int cz_da7219_init(struct snd_soc_pcm_runtime *rtd) { diff --git a/sound/soc/codecs/adau17x1.c b/sound/soc/codecs/adau17x1.c index 80c2a06285bb..12bf24c26818 100644 --- a/sound/soc/codecs/adau17x1.c +++ b/sound/soc/codecs/adau17x1.c @@ -502,7 +502,7 @@ static int adau17x1_hw_params(struct snd_pcm_substream *substream, } if (adau->sigmadsp) { - ret = adau17x1_setup_firmware(adau, params_rate(params)); + ret = adau17x1_setup_firmware(component, params_rate(params)); if (ret < 0) return ret; } @@ -835,26 +835,40 @@ bool adau17x1_volatile_register(struct device *dev, unsigned int reg) } EXPORT_SYMBOL_GPL(adau17x1_volatile_register); -int adau17x1_setup_firmware(struct adau *adau, unsigned int rate) +int adau17x1_setup_firmware(struct snd_soc_component *component, + unsigned int rate) { int ret; - int dspsr; + int dspsr, dsp_run; + struct adau *adau = snd_soc_component_get_drvdata(component); + struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); + + snd_soc_dapm_mutex_lock(dapm); ret = regmap_read(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, &dspsr); if (ret) - return ret; + goto err; + + ret = regmap_read(adau->regmap, ADAU17X1_DSP_RUN, &dsp_run); + if (ret) + goto err; regmap_write(adau->regmap, ADAU17X1_DSP_ENABLE, 1); regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, 0xf); + regmap_write(adau->regmap, ADAU17X1_DSP_RUN, 0); ret = sigmadsp_setup(adau->sigmadsp, rate); if (ret) { regmap_write(adau->regmap, ADAU17X1_DSP_ENABLE, 0); - return ret; + goto err; } regmap_write(adau->regmap, ADAU17X1_DSP_SAMPLING_RATE, dspsr); + regmap_write(adau->regmap, ADAU17X1_DSP_RUN, dsp_run); - return 0; +err: + snd_soc_dapm_mutex_unlock(dapm); + + return ret; } EXPORT_SYMBOL_GPL(adau17x1_setup_firmware); diff --git a/sound/soc/codecs/adau17x1.h b/sound/soc/codecs/adau17x1.h index a7b1cb770814..e6fe87beec07 100644 --- a/sound/soc/codecs/adau17x1.h +++ b/sound/soc/codecs/adau17x1.h @@ -68,7 +68,8 @@ int adau17x1_resume(struct snd_soc_component *component); extern const struct snd_soc_dai_ops adau17x1_dai_ops; -int adau17x1_setup_firmware(struct adau *adau, unsigned int rate); +int adau17x1_setup_firmware(struct snd_soc_component *component, + unsigned int rate); bool adau17x1_has_dsp(struct adau *adau); #define ADAU17X1_CLOCK_CONTROL 0x4000 diff --git a/sound/soc/codecs/msm8916-wcd-analog.c b/sound/soc/codecs/msm8916-wcd-analog.c index 12ee83d52405..b7cf7cce95fe 100644 --- a/sound/soc/codecs/msm8916-wcd-analog.c +++ b/sound/soc/codecs/msm8916-wcd-analog.c @@ -1187,7 +1187,8 @@ static int pm8916_wcd_analog_spmi_probe(struct platform_device *pdev) return irq; } - ret = devm_request_irq(dev, irq, pm8916_mbhc_switch_irq_handler, + ret = devm_request_threaded_irq(dev, irq, NULL, + pm8916_mbhc_switch_irq_handler, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT, "mbhc switch irq", priv); @@ -1201,7 +1202,8 @@ static int pm8916_wcd_analog_spmi_probe(struct platform_device *pdev) return irq; } - ret = devm_request_irq(dev, irq, mbhc_btn_press_irq_handler, + ret = devm_request_threaded_irq(dev, irq, NULL, + mbhc_btn_press_irq_handler, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT, "mbhc btn press irq", priv); @@ -1214,7 +1216,8 @@ static int pm8916_wcd_analog_spmi_probe(struct platform_device *pdev) return irq; } - ret = devm_request_irq(dev, irq, mbhc_btn_release_irq_handler, + ret = devm_request_threaded_irq(dev, irq, NULL, + mbhc_btn_release_irq_handler, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT, "mbhc btn release irq", priv); diff --git a/sound/soc/codecs/rt5514.c b/sound/soc/codecs/rt5514.c index e8a66b03faab..1570b91bf018 100644 --- a/sound/soc/codecs/rt5514.c +++ b/sound/soc/codecs/rt5514.c @@ -89,6 +89,7 @@ static const struct reg_default rt5514_reg[] = { {RT5514_PLL3_CALIB_CTRL5, 0x40220012}, {RT5514_DELAY_BUF_CTRL1, 0x7fff006a}, {RT5514_DELAY_BUF_CTRL3, 0x00000000}, + {RT5514_ASRC_IN_CTRL1, 0x00000003}, {RT5514_DOWNFILTER0_CTRL1, 0x00020c2f}, {RT5514_DOWNFILTER0_CTRL2, 0x00020c2f}, {RT5514_DOWNFILTER0_CTRL3, 0x10000362}, @@ -181,6 +182,7 @@ static bool rt5514_readable_register(struct device *dev, unsigned int reg) case RT5514_PLL3_CALIB_CTRL5: case RT5514_DELAY_BUF_CTRL1: case RT5514_DELAY_BUF_CTRL3: + case RT5514_ASRC_IN_CTRL1: case RT5514_DOWNFILTER0_CTRL1: case RT5514_DOWNFILTER0_CTRL2: case RT5514_DOWNFILTER0_CTRL3: @@ -238,6 +240,7 @@ static bool rt5514_i2c_readable_register(struct device *dev, case RT5514_DSP_MAPPING | RT5514_PLL3_CALIB_CTRL5: case RT5514_DSP_MAPPING | RT5514_DELAY_BUF_CTRL1: case RT5514_DSP_MAPPING | RT5514_DELAY_BUF_CTRL3: + case RT5514_DSP_MAPPING | RT5514_ASRC_IN_CTRL1: case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL1: case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL2: case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL3: diff --git a/sound/soc/fsl/fsl_esai.c b/sound/soc/fsl/fsl_esai.c index 40a700493f4c..da8fd98c7f51 100644 --- a/sound/soc/fsl/fsl_esai.c +++ b/sound/soc/fsl/fsl_esai.c @@ -144,6 +144,13 @@ static int fsl_esai_divisor_cal(struct snd_soc_dai *dai, bool tx, u32 ratio, psr = ratio <= 256 * maxfp ? ESAI_xCCR_xPSR_BYPASS : ESAI_xCCR_xPSR_DIV8; + /* Do not loop-search if PM (1 ~ 256) alone can serve the ratio */ + if (ratio <= 256) { + pm = ratio; + fp = 1; + goto out; + } + /* Set the max fluctuation -- 0.1% of the max devisor */ savesub = (psr ? 1 : 8) * 256 * maxfp / 1000; diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index 0823b08923b5..89df2d9f63d7 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -217,6 +217,7 @@ struct fsl_ssi_soc_data { * @dai_fmt: DAI configuration this device is currently used with * @streams: Mask of current active streams: BIT(TX) and BIT(RX) * @i2s_net: I2S and Network mode configurations of SCR register + * (this is the initial settings based on the DAI format) * @synchronous: Use synchronous mode - both of TX and RX use STCK and SFCK * @use_dma: DMA is used or FIQ with stream filter * @use_dual_fifo: DMA with support for dual FIFO mode @@ -829,16 +830,23 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream, } if (!fsl_ssi_is_ac97(ssi)) { + /* + * Keep the ssi->i2s_net intact while having a local variable + * to override settings for special use cases. Otherwise, the + * ssi->i2s_net will lose the settings for regular use cases. + */ + u8 i2s_net = ssi->i2s_net; + /* Normal + Network mode to send 16-bit data in 32-bit frames */ if (fsl_ssi_is_i2s_cbm_cfs(ssi) && sample_size == 16) - ssi->i2s_net = SSI_SCR_I2S_MODE_NORMAL | SSI_SCR_NET; + i2s_net = SSI_SCR_I2S_MODE_NORMAL | SSI_SCR_NET; /* Use Normal mode to send mono data at 1st slot of 2 slots */ if (channels == 1) - ssi->i2s_net = SSI_SCR_I2S_MODE_NORMAL; + i2s_net = SSI_SCR_I2S_MODE_NORMAL; regmap_update_bits(regs, REG_SSI_SCR, - SSI_SCR_I2S_NET_MASK, ssi->i2s_net); + SSI_SCR_I2S_NET_MASK, i2s_net); } /* In synchronous mode, the SSI uses STCCR for capture */ diff --git a/sound/soc/intel/Kconfig b/sound/soc/intel/Kconfig index ceb105cbd461..addac2a8e52a 100644 --- a/sound/soc/intel/Kconfig +++ b/sound/soc/intel/Kconfig @@ -72,24 +72,28 @@ config SND_SOC_INTEL_BAYTRAIL for Baytrail Chromebooks but this option is now deprecated and is not recommended, use SND_SST_ATOM_HIFI2_PLATFORM instead. +config SND_SST_ATOM_HIFI2_PLATFORM + tristate + select SND_SOC_COMPRESS + config SND_SST_ATOM_HIFI2_PLATFORM_PCI - tristate "PCI HiFi2 (Medfield, Merrifield) Platforms" + tristate "PCI HiFi2 (Merrifield) Platforms" depends on X86 && PCI select SND_SST_IPC_PCI - select SND_SOC_COMPRESS + select SND_SST_ATOM_HIFI2_PLATFORM help - If you have a Intel Medfield or Merrifield/Edison platform, then + If you have a Intel Merrifield/Edison platform, then enable this option by saying Y or m. Distros will typically not - enable this option: Medfield devices are not available to - developers and while Merrifield/Edison can run a mainline kernel with - limited functionality it will require a firmware file which - is not in the standard firmware tree + enable this option: while Merrifield/Edison can run a mainline + kernel with limited functionality it will require a firmware file + which is not in the standard firmware tree -config SND_SST_ATOM_HIFI2_PLATFORM +config SND_SST_ATOM_HIFI2_PLATFORM_ACPI tristate "ACPI HiFi2 (Baytrail, Cherrytrail) Platforms" + default ACPI depends on X86 && ACPI select SND_SST_IPC_ACPI - select SND_SOC_COMPRESS + select SND_SST_ATOM_HIFI2_PLATFORM select SND_SOC_ACPI_INTEL_MATCH select IOSF_MBI help diff --git a/sound/soc/omap/omap-dmic.c b/sound/soc/omap/omap-dmic.c index 09db2aec12a3..b2f5d2fa354d 100644 --- a/sound/soc/omap/omap-dmic.c +++ b/sound/soc/omap/omap-dmic.c @@ -281,7 +281,7 @@ static int omap_dmic_dai_trigger(struct snd_pcm_substream *substream, static int omap_dmic_select_fclk(struct omap_dmic *dmic, int clk_id, unsigned int freq) { - struct clk *parent_clk; + struct clk *parent_clk, *mux; char *parent_clk_name; int ret = 0; @@ -329,14 +329,21 @@ static int omap_dmic_select_fclk(struct omap_dmic *dmic, int clk_id, return -ENODEV; } + mux = clk_get_parent(dmic->fclk); + if (IS_ERR(mux)) { + dev_err(dmic->dev, "can't get fck mux parent\n"); + clk_put(parent_clk); + return -ENODEV; + } + mutex_lock(&dmic->mutex); if (dmic->active) { /* disable clock while reparenting */ pm_runtime_put_sync(dmic->dev); - ret = clk_set_parent(dmic->fclk, parent_clk); + ret = clk_set_parent(mux, parent_clk); pm_runtime_get_sync(dmic->dev); } else { - ret = clk_set_parent(dmic->fclk, parent_clk); + ret = clk_set_parent(mux, parent_clk); } mutex_unlock(&dmic->mutex); @@ -349,6 +356,7 @@ static int omap_dmic_select_fclk(struct omap_dmic *dmic, int clk_id, dmic->fclk_freq = freq; err_busy: + clk_put(mux); clk_put(parent_clk); return ret; diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c index 6a76688a8ba9..94f081b93258 100644 --- a/sound/soc/sh/rcar/core.c +++ b/sound/soc/sh/rcar/core.c @@ -1536,7 +1536,7 @@ static int rsnd_remove(struct platform_device *pdev) return ret; } -static int rsnd_suspend(struct device *dev) +static int __maybe_unused rsnd_suspend(struct device *dev) { struct rsnd_priv *priv = dev_get_drvdata(dev); @@ -1545,7 +1545,7 @@ static int rsnd_suspend(struct device *dev) return 0; } -static int rsnd_resume(struct device *dev) +static int __maybe_unused rsnd_resume(struct device *dev) { struct rsnd_priv *priv = dev_get_drvdata(dev); diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c index fa27d0fca6dc..986b8b2f90fb 100644 --- a/sound/soc/soc-topology.c +++ b/sound/soc/soc-topology.c @@ -513,7 +513,7 @@ static void remove_widget(struct snd_soc_component *comp, */ if (dobj->widget.kcontrol_type == SND_SOC_TPLG_TYPE_ENUM) { /* enumerated widget mixer */ - for (i = 0; i < w->num_kcontrols; i++) { + for (i = 0; w->kcontrols != NULL && i < w->num_kcontrols; i++) { struct snd_kcontrol *kcontrol = w->kcontrols[i]; struct soc_enum *se = (struct soc_enum *)kcontrol->private_value; @@ -530,7 +530,7 @@ static void remove_widget(struct snd_soc_component *comp, } } else { /* volume mixer or bytes controls */ - for (i = 0; i < w->num_kcontrols; i++) { + for (i = 0; w->kcontrols != NULL && i < w->num_kcontrols; i++) { struct snd_kcontrol *kcontrol = w->kcontrols[i]; if (dobj->widget.kcontrol_type @@ -1325,8 +1325,10 @@ static struct snd_kcontrol_new *soc_tplg_dapm_widget_denum_create( ec->hdr.name); kc[i].name = kstrdup(ec->hdr.name, GFP_KERNEL); - if (kc[i].name == NULL) + if (kc[i].name == NULL) { + kfree(se); goto err_se; + } kc[i].private_value = (long)se; kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER; kc[i].access = ec->hdr.access; @@ -1442,8 +1444,10 @@ static struct snd_kcontrol_new *soc_tplg_dapm_widget_dbytes_create( be->hdr.name, be->hdr.access); kc[i].name = kstrdup(be->hdr.name, GFP_KERNEL); - if (kc[i].name == NULL) + if (kc[i].name == NULL) { + kfree(sbe); goto err; + } kc[i].private_value = (long)sbe; kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER; kc[i].access = be->hdr.access; @@ -2576,7 +2580,7 @@ int snd_soc_tplg_component_remove(struct snd_soc_component *comp, u32 index) /* match index */ if (dobj->index != index && - dobj->index != SND_SOC_TPLG_INDEX_ALL) + index != SND_SOC_TPLG_INDEX_ALL) continue; switch (dobj->type) { diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 301ad61ed426..344d7b069d59 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -1776,7 +1776,8 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid, build_feature_ctl(state, _ftr, ch_bits, control, &iterm, unitid, ch_read_only); if (uac_v2v3_control_is_readable(master_bits, control)) - build_feature_ctl(state, _ftr, 0, i, &iterm, unitid, + build_feature_ctl(state, _ftr, 0, control, + &iterm, unitid, !uac_v2v3_control_is_writeable(master_bits, control)); } @@ -1859,7 +1860,7 @@ static int parse_audio_input_terminal(struct mixer_build *state, int unitid, check_input_term(state, d->bTerminalID, &iterm); if (state->mixer->protocol == UAC_VERSION_2) { /* Check for jack detection. */ - if (uac_v2v3_control_is_readable(d->bmControls, + if (uac_v2v3_control_is_readable(le16_to_cpu(d->bmControls), UAC2_TE_CONNECTOR)) { build_connector_control(state, &iterm, true); } @@ -2561,7 +2562,7 @@ static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer) if (err < 0 && err != -EINVAL) return err; - if (uac_v2v3_control_is_readable(desc->bmControls, + if (uac_v2v3_control_is_readable(le16_to_cpu(desc->bmControls), UAC2_TE_CONNECTOR)) { build_connector_control(&state, &state.oterm, false); diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c index 9038b2e7df73..eaa03acd4686 100644 --- a/sound/usb/mixer_maps.c +++ b/sound/usb/mixer_maps.c @@ -353,8 +353,11 @@ static struct usbmix_name_map bose_companion5_map[] = { /* * Dell usb dock with ALC4020 codec had a firmware problem where it got * screwed up when zero volume is passed; just skip it as a workaround + * + * Also the extension unit gives an access error, so skip it as well. */ static const struct usbmix_name_map dell_alc4020_map[] = { + { 4, NULL }, /* extension unit */ { 16, NULL }, { 19, NULL }, { 0 } diff --git a/sound/usb/stream.c b/sound/usb/stream.c index 6a8f5843334e..956be9f7c72a 100644 --- a/sound/usb/stream.c +++ b/sound/usb/stream.c @@ -349,7 +349,7 @@ snd_pcm_chmap_elem *convert_chmap_v3(struct uac3_cluster_header_descriptor * TODO: this conversion is not complete, update it * after adding UAC3 values to asound.h */ - switch (is->bChPurpose) { + switch (is->bChRelationship) { case UAC3_CH_MONO: map = SNDRV_CHMAP_MONO; break; diff --git a/sound/usb/usx2y/us122l.c b/sound/usb/usx2y/us122l.c index ebcab5c5465d..8082f7b077f1 100644 --- a/sound/usb/usx2y/us122l.c +++ b/sound/usb/usx2y/us122l.c @@ -139,7 +139,7 @@ static void usb_stream_hwdep_vm_open(struct vm_area_struct *area) snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count)); } -static int usb_stream_hwdep_vm_fault(struct vm_fault *vmf) +static vm_fault_t usb_stream_hwdep_vm_fault(struct vm_fault *vmf) { unsigned long offset; struct page *page; diff --git a/sound/usb/usx2y/usX2Yhwdep.c b/sound/usb/usx2y/usX2Yhwdep.c index d8bd7c99b48c..c1dd9a7b48df 100644 --- a/sound/usb/usx2y/usX2Yhwdep.c +++ b/sound/usb/usx2y/usX2Yhwdep.c @@ -31,7 +31,7 @@ #include "usbusx2y.h" #include "usX2Yhwdep.h" -static int snd_us428ctls_vm_fault(struct vm_fault *vmf) +static vm_fault_t snd_us428ctls_vm_fault(struct vm_fault *vmf) { unsigned long offset; struct page * page; diff --git a/sound/usb/usx2y/usx2yhwdeppcm.c b/sound/usb/usx2y/usx2yhwdeppcm.c index 0d050528a4e1..4fd9276b8e50 100644 --- a/sound/usb/usx2y/usx2yhwdeppcm.c +++ b/sound/usb/usx2y/usx2yhwdeppcm.c @@ -652,7 +652,7 @@ static void snd_usX2Y_hwdep_pcm_vm_close(struct vm_area_struct *area) } -static int snd_usX2Y_hwdep_pcm_vm_fault(struct vm_fault *vmf) +static vm_fault_t snd_usX2Y_hwdep_pcm_vm_fault(struct vm_fault *vmf) { unsigned long offset; void *vaddr; diff --git a/tools/perf/Documentation/perf-mem.txt b/tools/perf/Documentation/perf-mem.txt index 8806ed5f3802..f8d2167cf3e7 100644 --- a/tools/perf/Documentation/perf-mem.txt +++ b/tools/perf/Documentation/perf-mem.txt @@ -28,29 +28,46 @@ OPTIONS <command>...:: Any command you can specify in a shell. +-i:: +--input=<file>:: + Input file name. + -f:: --force:: Don't do ownership validation -t:: ---type=:: +--type=<type>:: Select the memory operation type: load or store (default: load,store) -D:: ---dump-raw-samples=:: +--dump-raw-samples:: Dump the raw decoded samples on the screen in a format that is easy to parse with one sample per line. -x:: ---field-separator:: +--field-separator=<separator>:: Specify the field separator used when dump raw samples (-D option). By default, The separator is the space character. -C:: ---cpu-list:: - Restrict dump of raw samples to those provided via this option. Note that the same - option can be passed in record mode. It will be interpreted the same way as perf - record. +--cpu=<cpu>:: + Monitor only on the list of CPUs provided. Multiple CPUs can be provided as a + comma-separated list with no space: 0,1. Ranges of CPUs are specified with -: 0-2. Default + is to monitor all CPUS. +-U:: +--hide-unresolved:: + Only display entries resolved to a symbol. + +-p:: +--phys-data:: + Record/Report sample physical addresses + +RECORD OPTIONS +-------------- +-e:: +--event <event>:: + Event selector. Use 'perf mem record -e list' to list available events. -K:: --all-kernel:: @@ -60,12 +77,12 @@ OPTIONS --all-user:: Configure all used events to run in user space. ---ldload:: - Specify desired latency for loads event. +-v:: +--verbose:: + Be more verbose (show counter open errors, etc) --p:: ---phys-data:: - Record/Report sample physical addresses +--ldlat <n>:: + Specify desired latency for loads event. In addition, for report all perf report options are valid, and for record all perf record options. diff --git a/tools/perf/arch/s390/util/auxtrace.c b/tools/perf/arch/s390/util/auxtrace.c index 6cb48e4cffd9..3afe8256eff2 100644 --- a/tools/perf/arch/s390/util/auxtrace.c +++ b/tools/perf/arch/s390/util/auxtrace.c @@ -87,6 +87,7 @@ struct auxtrace_record *auxtrace_record__init(struct perf_evlist *evlist, struct perf_evsel *pos; int diagnose = 0; + *err = 0; if (evlist->nr_entries == 0) return NULL; diff --git a/tools/perf/arch/s390/util/header.c b/tools/perf/arch/s390/util/header.c index a4c30f1c70be..163b92f33998 100644 --- a/tools/perf/arch/s390/util/header.c +++ b/tools/perf/arch/s390/util/header.c @@ -146,21 +146,3 @@ char *get_cpuid_str(struct perf_pmu *pmu __maybe_unused) zfree(&buf); return buf; } - -/* - * Compare the cpuid string returned by get_cpuid() function - * with the name generated by the jevents file read from - * pmu-events/arch/s390/mapfile.csv. - * - * Parameter mapcpuid is the cpuid as stored in the - * pmu-events/arch/s390/mapfile.csv. This is just the type number. - * Parameter cpuid is the cpuid returned by function get_cpuid(). - */ -int strcmp_cpuid_str(const char *mapcpuid, const char *cpuid) -{ - char *cp = strchr(cpuid, ','); - - if (cp == NULL) - return -1; - return strncmp(cp + 1, mapcpuid, strlen(mapcpuid)); -} diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 147a27e8c937..f17dc601b0f3 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -172,6 +172,7 @@ static bool interval_count; static const char *output_name; static int output_fd; static int print_free_counters_hint; +static int print_mixed_hw_group_error; struct perf_stat { bool record; @@ -1126,6 +1127,30 @@ static void abs_printout(int id, int nr, struct perf_evsel *evsel, double avg) fprintf(output, "%s%s", csv_sep, evsel->cgrp->name); } +static bool is_mixed_hw_group(struct perf_evsel *counter) +{ + struct perf_evlist *evlist = counter->evlist; + u32 pmu_type = counter->attr.type; + struct perf_evsel *pos; + + if (counter->nr_members < 2) + return false; + + evlist__for_each_entry(evlist, pos) { + /* software events can be part of any hardware group */ + if (pos->attr.type == PERF_TYPE_SOFTWARE) + continue; + if (pmu_type == PERF_TYPE_SOFTWARE) { + pmu_type = pos->attr.type; + continue; + } + if (pmu_type != pos->attr.type) + return true; + } + + return false; +} + static void printout(int id, int nr, struct perf_evsel *counter, double uval, char *prefix, u64 run, u64 ena, double noise, struct runtime_stat *st) @@ -1178,8 +1203,11 @@ static void printout(int id, int nr, struct perf_evsel *counter, double uval, counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED, csv_sep); - if (counter->supported) + if (counter->supported) { print_free_counters_hint = 1; + if (is_mixed_hw_group(counter)) + print_mixed_hw_group_error = 1; + } fprintf(stat_config.output, "%-*s%s", csv_output ? 0 : unit_width, @@ -1256,7 +1284,8 @@ static void uniquify_event_name(struct perf_evsel *counter) char *new_name; char *config; - if (!counter->pmu_name || !strncmp(counter->name, counter->pmu_name, + if (counter->uniquified_name || + !counter->pmu_name || !strncmp(counter->name, counter->pmu_name, strlen(counter->pmu_name))) return; @@ -1274,6 +1303,8 @@ static void uniquify_event_name(struct perf_evsel *counter) counter->name = new_name; } } + + counter->uniquified_name = true; } static void collect_all_aliases(struct perf_evsel *counter, @@ -1757,6 +1788,11 @@ static void print_footer(void) " echo 0 > /proc/sys/kernel/nmi_watchdog\n" " perf stat ...\n" " echo 1 > /proc/sys/kernel/nmi_watchdog\n"); + + if (print_mixed_hw_group_error) + fprintf(output, + "The events in group usually have to be from " + "the same PMU. Try reorganizing the group.\n"); } static void print_counters(struct timespec *ts, int argc, const char **argv) diff --git a/tools/perf/pmu-events/arch/s390/mapfile.csv b/tools/perf/pmu-events/arch/s390/mapfile.csv index ca7682748a4b..78bcf7f8e206 100644 --- a/tools/perf/pmu-events/arch/s390/mapfile.csv +++ b/tools/perf/pmu-events/arch/s390/mapfile.csv @@ -1,6 +1,6 @@ Family-model,Version,Filename,EventType -209[78],1,cf_z10,core -281[78],1,cf_z196,core -282[78],1,cf_zec12,core -296[45],1,cf_z13,core -3906,3,cf_z14,core +^IBM.209[78].*[13]\.[1-5].[[:xdigit:]]+$,1,cf_z10,core +^IBM.281[78].*[13]\.[1-5].[[:xdigit:]]+$,1,cf_z196,core +^IBM.282[78].*[13]\.[1-5].[[:xdigit:]]+$,1,cf_zec12,core +^IBM.296[45].*[13]\.[1-5].[[:xdigit:]]+$,1,cf_z13,core +^IBM.390[67].*[13]\.[1-5].[[:xdigit:]]+$,3,cf_z14,core diff --git a/tools/perf/tests/attr/test-record-group-sampling b/tools/perf/tests/attr/test-record-group-sampling index f906b793196f..8a33ca4f9e1f 100644 --- a/tools/perf/tests/attr/test-record-group-sampling +++ b/tools/perf/tests/attr/test-record-group-sampling @@ -35,3 +35,6 @@ inherit=0 # sampling disabled sample_freq=0 sample_period=0 +freq=0 +write_backward=0 +sample_id_all=0 diff --git a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh b/tools/perf/tests/shell/record+probe_libc_inet_pton.sh index 1ecc1f0ff84a..016882dbbc16 100755 --- a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh +++ b/tools/perf/tests/shell/record+probe_libc_inet_pton.sh @@ -19,12 +19,10 @@ trace_libc_inet_pton_backtrace() { expected[1]=".*inet_pton[[:space:]]\($libc\)$" case "$(uname -m)" in s390x) - eventattr='call-graph=dwarf' + eventattr='call-graph=dwarf,max-stack=4' expected[2]="gaih_inet.*[[:space:]]\($libc|inlined\)$" - expected[3]="__GI_getaddrinfo[[:space:]]\($libc|inlined\)$" + expected[3]="(__GI_)?getaddrinfo[[:space:]]\($libc|inlined\)$" expected[4]="main[[:space:]]\(.*/bin/ping.*\)$" - expected[5]="__libc_start_main[[:space:]]\($libc\)$" - expected[6]="_start[[:space:]]\(.*/bin/ping.*\)$" ;; *) eventattr='max-stack=3' diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 3e87486c28fe..4cd2cf93f726 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -930,8 +930,11 @@ void perf_evsel__config(struct perf_evsel *evsel, struct record_opts *opts, * than leader in case leader 'leads' the sampling. */ if ((leader != evsel) && leader->sample_read) { - attr->sample_freq = 0; - attr->sample_period = 0; + attr->freq = 0; + attr->sample_freq = 0; + attr->sample_period = 0; + attr->write_backward = 0; + attr->sample_id_all = 0; } if (opts->no_samples) @@ -1922,7 +1925,8 @@ try_fallback: goto fallback_missing_features; } else if (!perf_missing_features.group_read && evsel->attr.inherit && - (evsel->attr.read_format & PERF_FORMAT_GROUP)) { + (evsel->attr.read_format & PERF_FORMAT_GROUP) && + perf_evsel__is_group_leader(evsel)) { perf_missing_features.group_read = true; pr_debug2("switching off group read\n"); goto fallback_missing_features; @@ -2754,8 +2758,14 @@ bool perf_evsel__fallback(struct perf_evsel *evsel, int err, (paranoid = perf_event_paranoid()) > 1) { const char *name = perf_evsel__name(evsel); char *new_name; + const char *sep = ":"; - if (asprintf(&new_name, "%s%su", name, strchr(name, ':') ? "" : ":") < 0) + /* Is there already the separator in the name. */ + if (strchr(name, '/') || + strchr(name, ':')) + sep = ""; + + if (asprintf(&new_name, "%s%su", name, sep) < 0) return false; if (evsel->name) diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index d3ee3af618ef..92ec009a292d 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -115,6 +115,7 @@ struct perf_evsel { unsigned int sample_size; int id_pos; int is_pos; + bool uniquified_name; bool snapshot; bool supported; bool needs_swap; diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c index 2eca8478e24f..32d50492505d 100644 --- a/tools/perf/util/machine.c +++ b/tools/perf/util/machine.c @@ -1019,13 +1019,6 @@ int machine__load_vmlinux_path(struct machine *machine, enum map_type type) return ret; } -static void map_groups__fixup_end(struct map_groups *mg) -{ - int i; - for (i = 0; i < MAP__NR_TYPES; ++i) - __map_groups__fixup_end(mg, i); -} - static char *get_kernel_version(const char *root_dir) { char version[PATH_MAX]; @@ -1233,6 +1226,7 @@ int machine__create_kernel_maps(struct machine *machine) { struct dso *kernel = machine__get_kernel(machine); const char *name = NULL; + struct map *map; u64 addr = 0; int ret; @@ -1259,13 +1253,25 @@ int machine__create_kernel_maps(struct machine *machine) machine__destroy_kernel_maps(machine); return -1; } - machine__set_kernel_mmap(machine, addr, 0); + + /* we have a real start address now, so re-order the kmaps */ + map = machine__kernel_map(machine); + + map__get(map); + map_groups__remove(&machine->kmaps, map); + + /* assume it's the last in the kmaps */ + machine__set_kernel_mmap(machine, addr, ~0ULL); + + map_groups__insert(&machine->kmaps, map); + map__put(map); } - /* - * Now that we have all the maps created, just set the ->end of them: - */ - map_groups__fixup_end(&machine->kmaps); + /* update end address of the kernel map using adjacent module address */ + map = map__next(machine__kernel_map(machine)); + if (map) + machine__set_kernel_mmap(machine, addr, map->start); + return 0; } diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y index 7afeb80cc39e..d14464c42714 100644 --- a/tools/perf/util/parse-events.y +++ b/tools/perf/util/parse-events.y @@ -224,15 +224,15 @@ event_def: event_pmu | event_bpf_file event_pmu: -PE_NAME opt_event_config +PE_NAME '/' event_config '/' { struct list_head *list, *orig_terms, *terms; - if (parse_events_copy_term_list($2, &orig_terms)) + if (parse_events_copy_term_list($3, &orig_terms)) YYABORT; ALLOC_LIST(list); - if (parse_events_add_pmu(_parse_state, list, $1, $2, false)) { + if (parse_events_add_pmu(_parse_state, list, $1, $3, false)) { struct perf_pmu *pmu = NULL; int ok = 0; char *pattern; @@ -262,7 +262,7 @@ PE_NAME opt_event_config if (!ok) YYABORT; } - parse_events_terms__delete($2); + parse_events_terms__delete($3); parse_events_terms__delete(orig_terms); $$ = list; } diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 61a5e5027338..d2fb597c9a8c 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -539,9 +539,10 @@ static bool pmu_is_uncore(const char *name) /* * PMU CORE devices have different name other than cpu in sysfs on some - * platforms. looking for possible sysfs files to identify as core device. + * platforms. + * Looking for possible sysfs files to identify the arm core device. */ -static int is_pmu_core(const char *name) +static int is_arm_pmu_core(const char *name) { struct stat st; char path[PATH_MAX]; @@ -550,12 +551,6 @@ static int is_pmu_core(const char *name) if (!sysfs) return 0; - /* Look for cpu sysfs (x86 and others) */ - scnprintf(path, PATH_MAX, "%s/bus/event_source/devices/cpu", sysfs); - if ((stat(path, &st) == 0) && - (strncmp(name, "cpu", strlen("cpu")) == 0)) - return 1; - /* Look for cpu sysfs (specific to arm) */ scnprintf(path, PATH_MAX, "%s/bus/event_source/devices/%s/cpus", sysfs, name); @@ -586,7 +581,7 @@ char * __weak get_cpuid_str(struct perf_pmu *pmu __maybe_unused) * cpuid string generated on this platform. * Otherwise return non-zero. */ -int __weak strcmp_cpuid_str(const char *mapcpuid, const char *cpuid) +int strcmp_cpuid_str(const char *mapcpuid, const char *cpuid) { regex_t re; regmatch_t pmatch[1]; @@ -668,6 +663,7 @@ static void pmu_add_cpu_aliases(struct list_head *head, struct perf_pmu *pmu) struct pmu_events_map *map; struct pmu_event *pe; const char *name = pmu->name; + const char *pname; map = perf_pmu__find_map(pmu); if (!map) @@ -686,11 +682,9 @@ static void pmu_add_cpu_aliases(struct list_head *head, struct perf_pmu *pmu) break; } - if (!is_pmu_core(name)) { - /* check for uncore devices */ - if (pe->pmu == NULL) - continue; - if (strncmp(pe->pmu, name, strlen(pe->pmu))) + if (!is_arm_pmu_core(name)) { + pname = pe->pmu ? pe->pmu : "cpu"; + if (strncmp(pname, name, strlen(pname))) continue; } diff --git a/tools/testing/selftests/bpf/.gitignore b/tools/testing/selftests/bpf/.gitignore index 9cf83f895d98..5e1ab2f0eb79 100644 --- a/tools/testing/selftests/bpf/.gitignore +++ b/tools/testing/selftests/bpf/.gitignore @@ -12,3 +12,6 @@ test_tcpbpf_user test_verifier_log feature test_libbpf_open +test_sock +test_sock_addr +urandom_read diff --git a/tools/testing/selftests/bpf/test_sock.c b/tools/testing/selftests/bpf/test_sock.c index 73bb20cfb9b7..f4d99fabc56d 100644 --- a/tools/testing/selftests/bpf/test_sock.c +++ b/tools/testing/selftests/bpf/test_sock.c @@ -13,6 +13,7 @@ #include <bpf/bpf.h> #include "cgroup_helpers.h" +#include "bpf_rlimit.h" #ifndef ARRAY_SIZE # define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) diff --git a/tools/testing/selftests/bpf/test_sock_addr.c b/tools/testing/selftests/bpf/test_sock_addr.c index d488f20926e8..2950f80ba7fb 100644 --- a/tools/testing/selftests/bpf/test_sock_addr.c +++ b/tools/testing/selftests/bpf/test_sock_addr.c @@ -15,6 +15,7 @@ #include <bpf/libbpf.h> #include "cgroup_helpers.h" +#include "bpf_rlimit.h" #define CG_PATH "/foo" #define CONNECT4_PROG_PATH "./connect4_prog.o" diff --git a/tools/testing/selftests/bpf/test_sock_addr.sh b/tools/testing/selftests/bpf/test_sock_addr.sh index c6e1dcf992c4..9832a875a828 100755 --- a/tools/testing/selftests/bpf/test_sock_addr.sh +++ b/tools/testing/selftests/bpf/test_sock_addr.sh @@ -4,7 +4,7 @@ set -eu ping_once() { - ping -q -c 1 -W 1 ${1%%/*} >/dev/null 2>&1 + ping -${1} -q -c 1 -W 1 ${2%%/*} >/dev/null 2>&1 } wait_for_ip() @@ -13,7 +13,7 @@ wait_for_ip() echo -n "Wait for testing IPv4/IPv6 to become available " for _i in $(seq ${MAX_PING_TRIES}); do echo -n "." - if ping_once ${TEST_IPv4} && ping_once ${TEST_IPv6}; then + if ping_once 4 ${TEST_IPv4} && ping_once 6 ${TEST_IPv6}; then echo " OK" return fi diff --git a/tools/testing/selftests/firmware/Makefile b/tools/testing/selftests/firmware/Makefile index 826f38d5dd19..261c81f08606 100644 --- a/tools/testing/selftests/firmware/Makefile +++ b/tools/testing/selftests/firmware/Makefile @@ -4,6 +4,7 @@ all: TEST_PROGS := fw_run_tests.sh +TEST_FILES := fw_fallback.sh fw_filesystem.sh fw_lib.sh include ../lib.mk diff --git a/tools/testing/selftests/firmware/fw_lib.sh b/tools/testing/selftests/firmware/fw_lib.sh index 9ea31b57d71a..962d7f4ac627 100755 --- a/tools/testing/selftests/firmware/fw_lib.sh +++ b/tools/testing/selftests/firmware/fw_lib.sh @@ -154,11 +154,13 @@ test_finish() if [ "$HAS_FW_LOADER_USER_HELPER" = "yes" ]; then echo "$OLD_TIMEOUT" >/sys/class/firmware/timeout fi - if [ "$OLD_FWPATH" = "" ]; then - OLD_FWPATH=" " - fi if [ "$TEST_REQS_FW_SET_CUSTOM_PATH" = "yes" ]; then - echo -n "$OLD_FWPATH" >/sys/module/firmware_class/parameters/path + if [ "$OLD_FWPATH" = "" ]; then + # A zero-length write won't work; write a null byte + printf '\000' >/sys/module/firmware_class/parameters/path + else + echo -n "$OLD_FWPATH" >/sys/module/firmware_class/parameters/path + fi fi if [ -f $FW ]; then rm -f "$FW" diff --git a/tools/testing/selftests/firmware/fw_run_tests.sh b/tools/testing/selftests/firmware/fw_run_tests.sh index 06d638e9dc62..cffdd4eb0a57 100755 --- a/tools/testing/selftests/firmware/fw_run_tests.sh +++ b/tools/testing/selftests/firmware/fw_run_tests.sh @@ -66,5 +66,5 @@ if [ -f $FW_FORCE_SYSFS_FALLBACK ]; then run_test_config_0003 else echo "Running basic kernel configuration, working with your config" - run_test + run_tests fi diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-extended-error-support.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-extended-error-support.tc index 786dce7e48be..2aabab363cfb 100644 --- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-extended-error-support.tc +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-extended-error-support.tc @@ -29,7 +29,7 @@ do_reset echo "Test extended error support" echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' > events/sched/sched_wakeup/trigger -echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_wakeup/trigger &>/dev/null +! echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="ping"' >> events/sched/sched_wakeup/trigger 2> /dev/null if ! grep -q "ERROR:" events/sched/sched_wakeup/hist; then fail "Failed to generate extended error in histogram" fi diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-multi-actions-accept.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-multi-actions-accept.tc new file mode 100644 index 000000000000..c193dce611a2 --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-multi-actions-accept.tc @@ -0,0 +1,44 @@ +#!/bin/sh +# description: event trigger - test multiple actions on hist trigger + + +do_reset() { + reset_trigger + echo > set_event + clear_trace +} + +fail() { #msg + do_reset + echo $1 + exit_fail +} + +if [ ! -f set_event ]; then + echo "event tracing is not supported" + exit_unsupported +fi + +if [ ! -f synthetic_events ]; then + echo "synthetic event is not supported" + exit_unsupported +fi + +clear_synthetic_events +reset_tracer +do_reset + +echo "Test multiple actions on hist trigger" +echo 'wakeup_latency u64 lat; pid_t pid' >> synthetic_events +TRIGGER1=events/sched/sched_wakeup/trigger +TRIGGER2=events/sched/sched_switch/trigger + +echo 'hist:keys=pid:ts0=common_timestamp.usecs if comm=="cyclictest"' > $TRIGGER1 +echo 'hist:keys=next_pid:wakeup_lat=common_timestamp.usecs-$ts0 if next_comm=="cyclictest"' >> $TRIGGER2 +echo 'hist:keys=next_pid:onmatch(sched.sched_wakeup).wakeup_latency(sched.sched_switch.$wakeup_lat,next_pid) if next_comm=="cyclictest"' >> $TRIGGER2 +echo 'hist:keys=next_pid:onmatch(sched.sched_wakeup).wakeup_latency(sched.sched_switch.$wakeup_lat,prev_pid) if next_comm=="cyclictest"' >> $TRIGGER2 +echo 'hist:keys=next_pid if next_comm=="cyclictest"' >> $TRIGGER2 + +do_reset + +exit 0 diff --git a/tools/testing/selftests/powerpc/Makefile b/tools/testing/selftests/powerpc/Makefile index f6b1338730db..201b598558b9 100644 --- a/tools/testing/selftests/powerpc/Makefile +++ b/tools/testing/selftests/powerpc/Makefile @@ -17,7 +17,6 @@ SUB_DIRS = alignment \ benchmarks \ cache_shape \ copyloops \ - context_switch \ dscr \ mm \ pmu \ diff --git a/tools/testing/selftests/powerpc/alignment/.gitignore b/tools/testing/selftests/powerpc/alignment/.gitignore index 1d980e3d7039..9d383073b7ad 100644 --- a/tools/testing/selftests/powerpc/alignment/.gitignore +++ b/tools/testing/selftests/powerpc/alignment/.gitignore @@ -3,3 +3,4 @@ copy_first_unaligned paste_unaligned paste_last_unaligned copy_paste_unaligned_common +alignment_handler diff --git a/tools/testing/selftests/powerpc/benchmarks/exec_target.c b/tools/testing/selftests/powerpc/benchmarks/exec_target.c index 3c9c144192be..c14b0fc1edde 100644 --- a/tools/testing/selftests/powerpc/benchmarks/exec_target.c +++ b/tools/testing/selftests/powerpc/benchmarks/exec_target.c @@ -6,8 +6,11 @@ * Copyright 2018, Anton Blanchard, IBM Corp. */ -void _exit(int); +#define _GNU_SOURCE +#include <unistd.h> +#include <sys/syscall.h> + void _start(void) { - _exit(0); + syscall(SYS_exit, 0); } diff --git a/tools/testing/selftests/powerpc/context_switch/.gitignore b/tools/testing/selftests/powerpc/context_switch/.gitignore deleted file mode 100644 index c1431af7b51c..000000000000 --- a/tools/testing/selftests/powerpc/context_switch/.gitignore +++ /dev/null @@ -1 +0,0 @@ -cp_abort diff --git a/tools/testing/selftests/powerpc/context_switch/Makefile b/tools/testing/selftests/powerpc/context_switch/Makefile deleted file mode 100644 index e9351bb4285d..000000000000 --- a/tools/testing/selftests/powerpc/context_switch/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -TEST_GEN_PROGS := cp_abort - -include ../../lib.mk - -$(TEST_GEN_PROGS): ../harness.c ../utils.c diff --git a/tools/testing/selftests/powerpc/context_switch/cp_abort.c b/tools/testing/selftests/powerpc/context_switch/cp_abort.c deleted file mode 100644 index 5a5b55afda0e..000000000000 --- a/tools/testing/selftests/powerpc/context_switch/cp_abort.c +++ /dev/null @@ -1,110 +0,0 @@ -/* - * Adapted from Anton Blanchard's context switch microbenchmark. - * - * Copyright 2009, Anton Blanchard, IBM Corporation. - * Copyright 2016, Mikey Neuling, Chris Smart, IBM Corporation. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - * This program tests the copy paste abort functionality of a P9 - * (or later) by setting up two processes on the same CPU, one - * which executes the copy instruction and the other which - * executes paste. - * - * The paste instruction should never succeed, as the cp_abort - * instruction is called by the kernel during a context switch. - * - */ - -#define _GNU_SOURCE - -#include <stdio.h> -#include <unistd.h> -#include <stdlib.h> -#include "utils.h" -#include <sched.h> - -#define READ_FD 0 -#define WRITE_FD 1 - -#define NUM_LOOPS 1000 - -/* This defines the "paste" instruction from Power ISA 3.0 Book II, section 4.4. */ -#define PASTE(RA, RB, L, RC) \ - .long (0x7c00070c | (RA) << (31-15) | (RB) << (31-20) | (L) << (31-10) | (RC) << (31-31)) - -int paste(void *i) -{ - int cr; - - asm volatile(str(PASTE(0, %1, 1, 1))";" - "mfcr %0;" - : "=r" (cr) - : "b" (i) - : "memory" - ); - return cr; -} - -/* This defines the "copy" instruction from Power ISA 3.0 Book II, section 4.4. */ -#define COPY(RA, RB, L) \ - .long (0x7c00060c | (RA) << (31-15) | (RB) << (31-20) | (L) << (31-10)) - -void copy(void *i) -{ - asm volatile(str(COPY(0, %0, 1))";" - : - : "b" (i) - : "memory" - ); -} - -int test_cp_abort(void) -{ - /* 128 bytes for a full cache line */ - char buf[128] __cacheline_aligned; - cpu_set_t cpuset; - int fd1[2], fd2[2], pid; - char c; - - /* only run this test on a P9 or later */ - SKIP_IF(!have_hwcap2(PPC_FEATURE2_ARCH_3_00)); - - /* - * Run both processes on the same CPU, so that copy is more likely - * to leak into a paste. - */ - CPU_ZERO(&cpuset); - CPU_SET(pick_online_cpu(), &cpuset); - FAIL_IF(sched_setaffinity(0, sizeof(cpuset), &cpuset)); - - FAIL_IF(pipe(fd1) || pipe(fd2)); - - pid = fork(); - FAIL_IF(pid < 0); - - if (!pid) { - for (int i = 0; i < NUM_LOOPS; i++) { - FAIL_IF((write(fd1[WRITE_FD], &c, 1)) != 1); - FAIL_IF((read(fd2[READ_FD], &c, 1)) != 1); - /* A paste succeeds if CR0 EQ bit is set */ - FAIL_IF(paste(buf) & 0x20000000); - } - } else { - for (int i = 0; i < NUM_LOOPS; i++) { - FAIL_IF((read(fd1[READ_FD], &c, 1)) != 1); - copy(buf); - FAIL_IF((write(fd2[WRITE_FD], &c, 1) != 1)); - } - } - return 0; - -} - -int main(int argc, char *argv[]) -{ - return test_harness(test_cp_abort, "cp_abort"); -} diff --git a/tools/testing/selftests/powerpc/include/reg.h b/tools/testing/selftests/powerpc/include/reg.h index 4afdebcce4cd..7f348c059bc2 100644 --- a/tools/testing/selftests/powerpc/include/reg.h +++ b/tools/testing/selftests/powerpc/include/reg.h @@ -54,6 +54,7 @@ #define SPRN_DSCR_PRIV 0x11 /* Privilege State DSCR */ #define SPRN_DSCR 0x03 /* Data Stream Control Register */ #define SPRN_PPR 896 /* Program Priority Register */ +#define SPRN_AMR 13 /* Authority Mask Register - problem state */ /* TEXASR register bits */ #define TEXASR_FC 0xFE00000000000000 diff --git a/tools/testing/selftests/powerpc/ptrace/.gitignore b/tools/testing/selftests/powerpc/ptrace/.gitignore index 349acfafc95b..9dcc16ea8179 100644 --- a/tools/testing/selftests/powerpc/ptrace/.gitignore +++ b/tools/testing/selftests/powerpc/ptrace/.gitignore @@ -8,3 +8,4 @@ ptrace-vsx ptrace-tm-vsx ptrace-tm-spd-vsx ptrace-tm-spr +ptrace-hwbreak diff --git a/tools/testing/selftests/powerpc/ptrace/Makefile b/tools/testing/selftests/powerpc/ptrace/Makefile index 480305266504..4f5957538908 100644 --- a/tools/testing/selftests/powerpc/ptrace/Makefile +++ b/tools/testing/selftests/powerpc/ptrace/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 TEST_PROGS := ptrace-gpr ptrace-tm-gpr ptrace-tm-spd-gpr \ ptrace-tar ptrace-tm-tar ptrace-tm-spd-tar ptrace-vsx ptrace-tm-vsx \ - ptrace-tm-spd-vsx ptrace-tm-spr + ptrace-tm-spd-vsx ptrace-tm-spr ptrace-hwbreak ptrace-pkey core-pkey include ../../lib.mk @@ -9,6 +9,9 @@ all: $(TEST_PROGS) CFLAGS += -m64 -I../../../../../usr/include -I../tm -mhtm -fno-pie +ptrace-pkey core-pkey: child.h +ptrace-pkey core-pkey: LDLIBS += -pthread + $(TEST_PROGS): ../harness.c ../utils.c ../lib/reg.S ptrace.h clean: diff --git a/tools/testing/selftests/powerpc/ptrace/child.h b/tools/testing/selftests/powerpc/ptrace/child.h new file mode 100644 index 000000000000..d7275b7b33dc --- /dev/null +++ b/tools/testing/selftests/powerpc/ptrace/child.h @@ -0,0 +1,139 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Helper functions to sync execution between parent and child processes. + * + * Copyright 2018, Thiago Jung Bauermann, IBM Corporation. + */ +#include <stdio.h> +#include <stdbool.h> +#include <semaphore.h> + +/* + * Information in a shared memory location for synchronization between child and + * parent. + */ +struct child_sync { + /* The parent waits on this semaphore. */ + sem_t sem_parent; + + /* If true, the child should give up as well. */ + bool parent_gave_up; + + /* The child waits on this semaphore. */ + sem_t sem_child; + + /* If true, the parent should give up as well. */ + bool child_gave_up; +}; + +#define CHILD_FAIL_IF(x, sync) \ + do { \ + if (x) { \ + fprintf(stderr, \ + "[FAIL] Test FAILED on line %d\n", __LINE__); \ + (sync)->child_gave_up = true; \ + prod_parent(sync); \ + return 1; \ + } \ + } while (0) + +#define PARENT_FAIL_IF(x, sync) \ + do { \ + if (x) { \ + fprintf(stderr, \ + "[FAIL] Test FAILED on line %d\n", __LINE__); \ + (sync)->parent_gave_up = true; \ + prod_child(sync); \ + return 1; \ + } \ + } while (0) + +#define PARENT_SKIP_IF_UNSUPPORTED(x, sync) \ + do { \ + if ((x) == -1 && (errno == ENODEV || errno == EINVAL)) { \ + (sync)->parent_gave_up = true; \ + prod_child(sync); \ + SKIP_IF(1); \ + } \ + } while (0) + +int init_child_sync(struct child_sync *sync) +{ + int ret; + + ret = sem_init(&sync->sem_parent, 1, 0); + if (ret) { + perror("Semaphore initialization failed"); + return 1; + } + + ret = sem_init(&sync->sem_child, 1, 0); + if (ret) { + perror("Semaphore initialization failed"); + return 1; + } + + return 0; +} + +void destroy_child_sync(struct child_sync *sync) +{ + sem_destroy(&sync->sem_parent); + sem_destroy(&sync->sem_child); +} + +int wait_child(struct child_sync *sync) +{ + int ret; + + /* Wait until the child prods us. */ + ret = sem_wait(&sync->sem_parent); + if (ret) { + perror("Error waiting for child"); + return 1; + } + + return sync->child_gave_up; +} + +int prod_child(struct child_sync *sync) +{ + int ret; + + /* Unblock the child now. */ + ret = sem_post(&sync->sem_child); + if (ret) { + perror("Error prodding child"); + return 1; + } + + return 0; +} + +int wait_parent(struct child_sync *sync) +{ + int ret; + + /* Wait until the parent prods us. */ + ret = sem_wait(&sync->sem_child); + if (ret) { + perror("Error waiting for parent"); + return 1; + } + + return sync->parent_gave_up; +} + +int prod_parent(struct child_sync *sync) +{ + int ret; + + /* Unblock the parent now. */ + ret = sem_post(&sync->sem_parent); + if (ret) { + perror("Error prodding parent"); + return 1; + } + + return 0; +} diff --git a/tools/testing/selftests/powerpc/ptrace/core-pkey.c b/tools/testing/selftests/powerpc/ptrace/core-pkey.c new file mode 100644 index 000000000000..36bc312b1f5c --- /dev/null +++ b/tools/testing/selftests/powerpc/ptrace/core-pkey.c @@ -0,0 +1,461 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Ptrace test for Memory Protection Key registers + * + * Copyright (C) 2015 Anshuman Khandual, IBM Corporation. + * Copyright (C) 2018 IBM Corporation. + */ +#include <limits.h> +#include <linux/kernel.h> +#include <sys/mman.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/time.h> +#include <sys/resource.h> +#include <fcntl.h> +#include <unistd.h> +#include "ptrace.h" +#include "child.h" + +#ifndef __NR_pkey_alloc +#define __NR_pkey_alloc 384 +#endif + +#ifndef __NR_pkey_free +#define __NR_pkey_free 385 +#endif + +#ifndef NT_PPC_PKEY +#define NT_PPC_PKEY 0x110 +#endif + +#ifndef PKEY_DISABLE_EXECUTE +#define PKEY_DISABLE_EXECUTE 0x4 +#endif + +#define AMR_BITS_PER_PKEY 2 +#define PKEY_REG_BITS (sizeof(u64) * 8) +#define pkeyshift(pkey) (PKEY_REG_BITS - ((pkey + 1) * AMR_BITS_PER_PKEY)) + +#define CORE_FILE_LIMIT (5 * 1024 * 1024) /* 5 MB should be enough */ + +static const char core_pattern_file[] = "/proc/sys/kernel/core_pattern"; + +static const char user_write[] = "[User Write (Running)]"; +static const char core_read_running[] = "[Core Read (Running)]"; + +/* Information shared between the parent and the child. */ +struct shared_info { + struct child_sync child_sync; + + /* AMR value the parent expects to read in the core file. */ + unsigned long amr; + + /* IAMR value the parent expects to read in the core file. */ + unsigned long iamr; + + /* UAMOR value the parent expects to read in the core file. */ + unsigned long uamor; + + /* When the child crashed. */ + time_t core_time; +}; + +static int sys_pkey_alloc(unsigned long flags, unsigned long init_access_rights) +{ + return syscall(__NR_pkey_alloc, flags, init_access_rights); +} + +static int sys_pkey_free(int pkey) +{ + return syscall(__NR_pkey_free, pkey); +} + +static int increase_core_file_limit(void) +{ + struct rlimit rlim; + int ret; + + ret = getrlimit(RLIMIT_CORE, &rlim); + FAIL_IF(ret); + + if (rlim.rlim_cur != RLIM_INFINITY && rlim.rlim_cur < CORE_FILE_LIMIT) { + rlim.rlim_cur = CORE_FILE_LIMIT; + + if (rlim.rlim_max != RLIM_INFINITY && + rlim.rlim_max < CORE_FILE_LIMIT) + rlim.rlim_max = CORE_FILE_LIMIT; + + ret = setrlimit(RLIMIT_CORE, &rlim); + FAIL_IF(ret); + } + + ret = getrlimit(RLIMIT_FSIZE, &rlim); + FAIL_IF(ret); + + if (rlim.rlim_cur != RLIM_INFINITY && rlim.rlim_cur < CORE_FILE_LIMIT) { + rlim.rlim_cur = CORE_FILE_LIMIT; + + if (rlim.rlim_max != RLIM_INFINITY && + rlim.rlim_max < CORE_FILE_LIMIT) + rlim.rlim_max = CORE_FILE_LIMIT; + + ret = setrlimit(RLIMIT_FSIZE, &rlim); + FAIL_IF(ret); + } + + return TEST_PASS; +} + +static int child(struct shared_info *info) +{ + bool disable_execute = true; + int pkey1, pkey2, pkey3; + int *ptr, ret; + + /* Wait until parent fills out the initial register values. */ + ret = wait_parent(&info->child_sync); + if (ret) + return ret; + + ret = increase_core_file_limit(); + FAIL_IF(ret); + + /* Get some pkeys so that we can change their bits in the AMR. */ + pkey1 = sys_pkey_alloc(0, PKEY_DISABLE_EXECUTE); + if (pkey1 < 0) { + pkey1 = sys_pkey_alloc(0, 0); + FAIL_IF(pkey1 < 0); + + disable_execute = false; + } + + pkey2 = sys_pkey_alloc(0, 0); + FAIL_IF(pkey2 < 0); + + pkey3 = sys_pkey_alloc(0, 0); + FAIL_IF(pkey3 < 0); + + info->amr |= 3ul << pkeyshift(pkey1) | 2ul << pkeyshift(pkey2); + + if (disable_execute) + info->iamr |= 1ul << pkeyshift(pkey1); + + info->uamor |= 3ul << pkeyshift(pkey1) | 3ul << pkeyshift(pkey2); + + printf("%-30s AMR: %016lx pkey1: %d pkey2: %d pkey3: %d\n", + user_write, info->amr, pkey1, pkey2, pkey3); + + mtspr(SPRN_AMR, info->amr); + + /* + * We won't use pkey3. This tests whether the kernel restores the UAMOR + * permissions after a key is freed. + */ + sys_pkey_free(pkey3); + + info->core_time = time(NULL); + + /* Crash. */ + ptr = 0; + *ptr = 1; + + /* Shouldn't get here. */ + FAIL_IF(true); + + return TEST_FAIL; +} + +/* Return file size if filename exists and pass sanity check, or zero if not. */ +static off_t try_core_file(const char *filename, struct shared_info *info, + pid_t pid) +{ + struct stat buf; + int ret; + + ret = stat(filename, &buf); + if (ret == -1) + return TEST_FAIL; + + /* Make sure we're not using a stale core file. */ + return buf.st_mtime >= info->core_time ? buf.st_size : TEST_FAIL; +} + +static Elf64_Nhdr *next_note(Elf64_Nhdr *nhdr) +{ + return (void *) nhdr + sizeof(*nhdr) + + __ALIGN_KERNEL(nhdr->n_namesz, 4) + + __ALIGN_KERNEL(nhdr->n_descsz, 4); +} + +static int check_core_file(struct shared_info *info, Elf64_Ehdr *ehdr, + off_t core_size) +{ + unsigned long *regs; + Elf64_Phdr *phdr; + Elf64_Nhdr *nhdr; + size_t phdr_size; + void *p = ehdr, *note; + int ret; + + ret = memcmp(ehdr->e_ident, ELFMAG, SELFMAG); + FAIL_IF(ret); + + FAIL_IF(ehdr->e_type != ET_CORE); + FAIL_IF(ehdr->e_machine != EM_PPC64); + FAIL_IF(ehdr->e_phoff == 0 || ehdr->e_phnum == 0); + + /* + * e_phnum is at most 65535 so calculating the size of the + * program header cannot overflow. + */ + phdr_size = sizeof(*phdr) * ehdr->e_phnum; + + /* Sanity check the program header table location. */ + FAIL_IF(ehdr->e_phoff + phdr_size < ehdr->e_phoff); + FAIL_IF(ehdr->e_phoff + phdr_size > core_size); + + /* Find the PT_NOTE segment. */ + for (phdr = p + ehdr->e_phoff; + (void *) phdr < p + ehdr->e_phoff + phdr_size; + phdr += ehdr->e_phentsize) + if (phdr->p_type == PT_NOTE) + break; + + FAIL_IF((void *) phdr >= p + ehdr->e_phoff + phdr_size); + + /* Find the NT_PPC_PKEY note. */ + for (nhdr = p + phdr->p_offset; + (void *) nhdr < p + phdr->p_offset + phdr->p_filesz; + nhdr = next_note(nhdr)) + if (nhdr->n_type == NT_PPC_PKEY) + break; + + FAIL_IF((void *) nhdr >= p + phdr->p_offset + phdr->p_filesz); + FAIL_IF(nhdr->n_descsz == 0); + + p = nhdr; + note = p + sizeof(*nhdr) + __ALIGN_KERNEL(nhdr->n_namesz, 4); + + regs = (unsigned long *) note; + + printf("%-30s AMR: %016lx IAMR: %016lx UAMOR: %016lx\n", + core_read_running, regs[0], regs[1], regs[2]); + + FAIL_IF(regs[0] != info->amr); + FAIL_IF(regs[1] != info->iamr); + FAIL_IF(regs[2] != info->uamor); + + return TEST_PASS; +} + +static int parent(struct shared_info *info, pid_t pid) +{ + char *filenames, *filename[3]; + int fd, i, ret, status; + unsigned long regs[3]; + off_t core_size; + void *core; + + /* + * Get the initial values for AMR, IAMR and UAMOR and communicate them + * to the child. + */ + ret = ptrace_read_regs(pid, NT_PPC_PKEY, regs, 3); + PARENT_SKIP_IF_UNSUPPORTED(ret, &info->child_sync); + PARENT_FAIL_IF(ret, &info->child_sync); + + info->amr = regs[0]; + info->iamr = regs[1]; + info->uamor = regs[2]; + + /* Wake up child so that it can set itself up. */ + ret = prod_child(&info->child_sync); + PARENT_FAIL_IF(ret, &info->child_sync); + + ret = wait(&status); + if (ret != pid) { + printf("Child's exit status not captured\n"); + return TEST_FAIL; + } else if (!WIFSIGNALED(status) || !WCOREDUMP(status)) { + printf("Child didn't dump core\n"); + return TEST_FAIL; + } + + /* Construct array of core file names to try. */ + + filename[0] = filenames = malloc(PATH_MAX); + if (!filenames) { + perror("Error allocating memory"); + return TEST_FAIL; + } + + ret = snprintf(filename[0], PATH_MAX, "core-pkey.%d", pid); + if (ret < 0 || ret >= PATH_MAX) { + ret = TEST_FAIL; + goto out; + } + + filename[1] = filename[0] + ret + 1; + ret = snprintf(filename[1], PATH_MAX - ret - 1, "core.%d", pid); + if (ret < 0 || ret >= PATH_MAX - ret - 1) { + ret = TEST_FAIL; + goto out; + } + filename[2] = "core"; + + for (i = 0; i < 3; i++) { + core_size = try_core_file(filename[i], info, pid); + if (core_size != TEST_FAIL) + break; + } + + if (i == 3) { + printf("Couldn't find core file\n"); + ret = TEST_FAIL; + goto out; + } + + fd = open(filename[i], O_RDONLY); + if (fd == -1) { + perror("Error opening core file"); + ret = TEST_FAIL; + goto out; + } + + core = mmap(NULL, core_size, PROT_READ, MAP_PRIVATE, fd, 0); + if (core == (void *) -1) { + perror("Error mmaping core file"); + ret = TEST_FAIL; + goto out; + } + + ret = check_core_file(info, core, core_size); + + munmap(core, core_size); + close(fd); + unlink(filename[i]); + + out: + free(filenames); + + return ret; +} + +static int write_core_pattern(const char *core_pattern) +{ + size_t len = strlen(core_pattern), ret; + FILE *f; + + f = fopen(core_pattern_file, "w"); + if (!f) { + perror("Error writing to core_pattern file"); + return TEST_FAIL; + } + + ret = fwrite(core_pattern, 1, len, f); + fclose(f); + if (ret != len) { + perror("Error writing to core_pattern file"); + return TEST_FAIL; + } + + return TEST_PASS; +} + +static int setup_core_pattern(char **core_pattern_, bool *changed_) +{ + FILE *f; + char *core_pattern; + int ret; + + core_pattern = malloc(PATH_MAX); + if (!core_pattern) { + perror("Error allocating memory"); + return TEST_FAIL; + } + + f = fopen(core_pattern_file, "r"); + if (!f) { + perror("Error opening core_pattern file"); + ret = TEST_FAIL; + goto out; + } + + ret = fread(core_pattern, 1, PATH_MAX, f); + fclose(f); + if (!ret) { + perror("Error reading core_pattern file"); + ret = TEST_FAIL; + goto out; + } + + /* Check whether we can predict the name of the core file. */ + if (!strcmp(core_pattern, "core") || !strcmp(core_pattern, "core.%p")) + *changed_ = false; + else { + ret = write_core_pattern("core-pkey.%p"); + if (ret) + goto out; + + *changed_ = true; + } + + *core_pattern_ = core_pattern; + ret = TEST_PASS; + + out: + if (ret) + free(core_pattern); + + return ret; +} + +static int core_pkey(void) +{ + char *core_pattern; + bool changed_core_pattern; + struct shared_info *info; + int shm_id; + int ret; + pid_t pid; + + ret = setup_core_pattern(&core_pattern, &changed_core_pattern); + if (ret) + return ret; + + shm_id = shmget(IPC_PRIVATE, sizeof(*info), 0777 | IPC_CREAT); + info = shmat(shm_id, NULL, 0); + + ret = init_child_sync(&info->child_sync); + if (ret) + return ret; + + pid = fork(); + if (pid < 0) { + perror("fork() failed"); + ret = TEST_FAIL; + } else if (pid == 0) + ret = child(info); + else + ret = parent(info, pid); + + shmdt(info); + + if (pid) { + destroy_child_sync(&info->child_sync); + shmctl(shm_id, IPC_RMID, NULL); + + if (changed_core_pattern) + write_core_pattern(core_pattern); + } + + free(core_pattern); + + return ret; +} + +int main(int argc, char *argv[]) +{ + return test_harness(core_pkey, "core_pkey"); +} diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-hwbreak.c b/tools/testing/selftests/powerpc/ptrace/ptrace-hwbreak.c new file mode 100644 index 000000000000..3066d310f32b --- /dev/null +++ b/tools/testing/selftests/powerpc/ptrace/ptrace-hwbreak.c @@ -0,0 +1,342 @@ +// SPDX-License-Identifier: GPL-2.0+ + +/* + * Ptrace test for hw breakpoints + * + * Based on tools/testing/selftests/breakpoints/breakpoint_test.c + * + * This test forks and the parent then traces the child doing various + * types of ptrace enabled breakpoints + * + * Copyright (C) 2018 Michael Neuling, IBM Corporation. + */ + +#include <sys/ptrace.h> +#include <unistd.h> +#include <stddef.h> +#include <sys/user.h> +#include <stdio.h> +#include <stdlib.h> +#include <signal.h> +#include <sys/types.h> +#include <sys/wait.h> +#include "ptrace.h" + +/* Breakpoint access modes */ +enum { + BP_X = 1, + BP_RW = 2, + BP_W = 4, +}; + +static pid_t child_pid; +static struct ppc_debug_info dbginfo; + +static void get_dbginfo(void) +{ + int ret; + + ret = ptrace(PPC_PTRACE_GETHWDBGINFO, child_pid, NULL, &dbginfo); + if (ret) { + perror("Can't get breakpoint info\n"); + exit(-1); + } +} + +static bool hwbreak_present(void) +{ + return (dbginfo.num_data_bps != 0); +} + +static bool dawr_present(void) +{ + return !!(dbginfo.features & PPC_DEBUG_FEATURE_DATA_BP_DAWR); +} + +static void set_breakpoint_addr(void *addr) +{ + int ret; + + ret = ptrace(PTRACE_SET_DEBUGREG, child_pid, 0, addr); + if (ret) { + perror("Can't set breakpoint addr\n"); + exit(-1); + } +} + +static int set_hwbreakpoint_addr(void *addr, int range) +{ + int ret; + + struct ppc_hw_breakpoint info; + + info.version = 1; + info.trigger_type = PPC_BREAKPOINT_TRIGGER_RW; + info.addr_mode = PPC_BREAKPOINT_MODE_EXACT; + if (range > 0) + info.addr_mode = PPC_BREAKPOINT_MODE_RANGE_INCLUSIVE; + info.condition_mode = PPC_BREAKPOINT_CONDITION_NONE; + info.addr = (__u64)addr; + info.addr2 = (__u64)addr + range; + info.condition_value = 0; + + ret = ptrace(PPC_PTRACE_SETHWDEBUG, child_pid, 0, &info); + if (ret < 0) { + perror("Can't set breakpoint\n"); + exit(-1); + } + return ret; +} + +static int del_hwbreakpoint_addr(int watchpoint_handle) +{ + int ret; + + ret = ptrace(PPC_PTRACE_DELHWDEBUG, child_pid, 0, watchpoint_handle); + if (ret < 0) { + perror("Can't delete hw breakpoint\n"); + exit(-1); + } + return ret; +} + +#define DAWR_LENGTH_MAX 512 + +/* Dummy variables to test read/write accesses */ +static unsigned long long + dummy_array[DAWR_LENGTH_MAX / sizeof(unsigned long long)] + __attribute__((aligned(512))); +static unsigned long long *dummy_var = dummy_array; + +static void write_var(int len) +{ + long long *plval; + char *pcval; + short *psval; + int *pival; + + switch (len) { + case 1: + pcval = (char *)dummy_var; + *pcval = 0xff; + break; + case 2: + psval = (short *)dummy_var; + *psval = 0xffff; + break; + case 4: + pival = (int *)dummy_var; + *pival = 0xffffffff; + break; + case 8: + plval = (long long *)dummy_var; + *plval = 0xffffffffffffffffLL; + break; + } +} + +static void read_var(int len) +{ + char cval __attribute__((unused)); + short sval __attribute__((unused)); + int ival __attribute__((unused)); + long long lval __attribute__((unused)); + + switch (len) { + case 1: + cval = *(char *)dummy_var; + break; + case 2: + sval = *(short *)dummy_var; + break; + case 4: + ival = *(int *)dummy_var; + break; + case 8: + lval = *(long long *)dummy_var; + break; + } +} + +/* + * Do the r/w accesses to trigger the breakpoints. And run + * the usual traps. + */ +static void trigger_tests(void) +{ + int len, ret; + + ret = ptrace(PTRACE_TRACEME, 0, NULL, 0); + if (ret) { + perror("Can't be traced?\n"); + return; + } + + /* Wake up father so that it sets up the first test */ + kill(getpid(), SIGUSR1); + + /* Test write watchpoints */ + for (len = 1; len <= sizeof(long); len <<= 1) + write_var(len); + + /* Test read/write watchpoints (on read accesses) */ + for (len = 1; len <= sizeof(long); len <<= 1) + read_var(len); + + /* Test when breakpoint is unset */ + + /* Test write watchpoints */ + for (len = 1; len <= sizeof(long); len <<= 1) + write_var(len); + + /* Test read/write watchpoints (on read accesses) */ + for (len = 1; len <= sizeof(long); len <<= 1) + read_var(len); +} + +static void check_success(const char *msg) +{ + const char *msg2; + int status; + + /* Wait for the child to SIGTRAP */ + wait(&status); + + msg2 = "Failed"; + + if (WIFSTOPPED(status) && WSTOPSIG(status) == SIGTRAP) { + msg2 = "Child process hit the breakpoint"; + } + + printf("%s Result: [%s]\n", msg, msg2); +} + +static void launch_watchpoints(char *buf, int mode, int len, + struct ppc_debug_info *dbginfo, bool dawr) +{ + const char *mode_str; + unsigned long data = (unsigned long)(dummy_var); + int wh, range; + + data &= ~0x7UL; + + if (mode == BP_W) { + data |= (1UL << 1); + mode_str = "write"; + } else { + data |= (1UL << 0); + data |= (1UL << 1); + mode_str = "read"; + } + + /* Set DABR_TRANSLATION bit */ + data |= (1UL << 2); + + /* use PTRACE_SET_DEBUGREG breakpoints */ + set_breakpoint_addr((void *)data); + ptrace(PTRACE_CONT, child_pid, NULL, 0); + sprintf(buf, "Test %s watchpoint with len: %d ", mode_str, len); + check_success(buf); + /* Unregister hw brkpoint */ + set_breakpoint_addr(NULL); + + data = (data & ~7); /* remove dabr control bits */ + + /* use PPC_PTRACE_SETHWDEBUG breakpoint */ + if (!(dbginfo->features & PPC_DEBUG_FEATURE_DATA_BP_RANGE)) + return; /* not supported */ + wh = set_hwbreakpoint_addr((void *)data, 0); + ptrace(PTRACE_CONT, child_pid, NULL, 0); + sprintf(buf, "Test %s watchpoint with len: %d ", mode_str, len); + check_success(buf); + /* Unregister hw brkpoint */ + del_hwbreakpoint_addr(wh); + + /* try a wider range */ + range = 8; + if (dawr) + range = 512 - ((int)data & (DAWR_LENGTH_MAX - 1)); + wh = set_hwbreakpoint_addr((void *)data, range); + ptrace(PTRACE_CONT, child_pid, NULL, 0); + sprintf(buf, "Test %s watchpoint with len: %d ", mode_str, len); + check_success(buf); + /* Unregister hw brkpoint */ + del_hwbreakpoint_addr(wh); +} + +/* Set the breakpoints and check the child successfully trigger them */ +static int launch_tests(bool dawr) +{ + char buf[1024]; + int len, i, status; + + struct ppc_debug_info dbginfo; + + i = ptrace(PPC_PTRACE_GETHWDBGINFO, child_pid, NULL, &dbginfo); + if (i) { + perror("Can't set breakpoint info\n"); + exit(-1); + } + if (!(dbginfo.features & PPC_DEBUG_FEATURE_DATA_BP_RANGE)) + printf("WARNING: Kernel doesn't support PPC_PTRACE_SETHWDEBUG\n"); + + /* Write watchpoint */ + for (len = 1; len <= sizeof(long); len <<= 1) + launch_watchpoints(buf, BP_W, len, &dbginfo, dawr); + + /* Read-Write watchpoint */ + for (len = 1; len <= sizeof(long); len <<= 1) + launch_watchpoints(buf, BP_RW, len, &dbginfo, dawr); + + ptrace(PTRACE_CONT, child_pid, NULL, 0); + + /* + * Now we have unregistered the breakpoint, access by child + * should not cause SIGTRAP. + */ + + wait(&status); + + if (WIFSTOPPED(status) && WSTOPSIG(status) == SIGTRAP) { + printf("FAIL: Child process hit the breakpoint, which is not expected\n"); + ptrace(PTRACE_CONT, child_pid, NULL, 0); + return TEST_FAIL; + } + + if (WIFEXITED(status)) + printf("Child exited normally\n"); + + return TEST_PASS; +} + +static int ptrace_hwbreak(void) +{ + pid_t pid; + int ret; + bool dawr; + + pid = fork(); + if (!pid) { + trigger_tests(); + return 0; + } + + wait(NULL); + + child_pid = pid; + + get_dbginfo(); + SKIP_IF(!hwbreak_present()); + dawr = dawr_present(); + + ret = launch_tests(dawr); + + wait(NULL); + + return ret; +} + +int main(int argc, char **argv, char **envp) +{ + return test_harness(ptrace_hwbreak, "ptrace-hwbreak"); +} diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c b/tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c new file mode 100644 index 000000000000..5cf631f792cc --- /dev/null +++ b/tools/testing/selftests/powerpc/ptrace/ptrace-pkey.c @@ -0,0 +1,327 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Ptrace test for Memory Protection Key registers + * + * Copyright (C) 2015 Anshuman Khandual, IBM Corporation. + * Copyright (C) 2018 IBM Corporation. + */ +#include "ptrace.h" +#include "child.h" + +#ifndef __NR_pkey_alloc +#define __NR_pkey_alloc 384 +#endif + +#ifndef __NR_pkey_free +#define __NR_pkey_free 385 +#endif + +#ifndef NT_PPC_PKEY +#define NT_PPC_PKEY 0x110 +#endif + +#ifndef PKEY_DISABLE_EXECUTE +#define PKEY_DISABLE_EXECUTE 0x4 +#endif + +#define AMR_BITS_PER_PKEY 2 +#define PKEY_REG_BITS (sizeof(u64) * 8) +#define pkeyshift(pkey) (PKEY_REG_BITS - ((pkey + 1) * AMR_BITS_PER_PKEY)) + +static const char user_read[] = "[User Read (Running)]"; +static const char user_write[] = "[User Write (Running)]"; +static const char ptrace_read_running[] = "[Ptrace Read (Running)]"; +static const char ptrace_write_running[] = "[Ptrace Write (Running)]"; + +/* Information shared between the parent and the child. */ +struct shared_info { + struct child_sync child_sync; + + /* AMR value the parent expects to read from the child. */ + unsigned long amr1; + + /* AMR value the parent is expected to write to the child. */ + unsigned long amr2; + + /* AMR value that ptrace should refuse to write to the child. */ + unsigned long amr3; + + /* IAMR value the parent expects to read from the child. */ + unsigned long expected_iamr; + + /* UAMOR value the parent expects to read from the child. */ + unsigned long expected_uamor; + + /* + * IAMR and UAMOR values that ptrace should refuse to write to the child + * (even though they're valid ones) because userspace doesn't have + * access to those registers. + */ + unsigned long new_iamr; + unsigned long new_uamor; +}; + +static int sys_pkey_alloc(unsigned long flags, unsigned long init_access_rights) +{ + return syscall(__NR_pkey_alloc, flags, init_access_rights); +} + +static int sys_pkey_free(int pkey) +{ + return syscall(__NR_pkey_free, pkey); +} + +static int child(struct shared_info *info) +{ + unsigned long reg; + bool disable_execute = true; + int pkey1, pkey2, pkey3; + int ret; + + /* Wait until parent fills out the initial register values. */ + ret = wait_parent(&info->child_sync); + if (ret) + return ret; + + /* Get some pkeys so that we can change their bits in the AMR. */ + pkey1 = sys_pkey_alloc(0, PKEY_DISABLE_EXECUTE); + if (pkey1 < 0) { + pkey1 = sys_pkey_alloc(0, 0); + CHILD_FAIL_IF(pkey1 < 0, &info->child_sync); + + disable_execute = false; + } + + pkey2 = sys_pkey_alloc(0, 0); + CHILD_FAIL_IF(pkey2 < 0, &info->child_sync); + + pkey3 = sys_pkey_alloc(0, 0); + CHILD_FAIL_IF(pkey3 < 0, &info->child_sync); + + info->amr1 |= 3ul << pkeyshift(pkey1); + info->amr2 |= 3ul << pkeyshift(pkey2); + info->amr3 |= info->amr2 | 3ul << pkeyshift(pkey3); + + if (disable_execute) + info->expected_iamr |= 1ul << pkeyshift(pkey1); + + info->expected_uamor |= 3ul << pkeyshift(pkey1) | + 3ul << pkeyshift(pkey2); + info->new_iamr |= 1ul << pkeyshift(pkey1) | 1ul << pkeyshift(pkey2); + info->new_uamor |= 3ul << pkeyshift(pkey1); + + /* + * We won't use pkey3. We just want a plausible but invalid key to test + * whether ptrace will let us write to AMR bits we are not supposed to. + * + * This also tests whether the kernel restores the UAMOR permissions + * after a key is freed. + */ + sys_pkey_free(pkey3); + + printf("%-30s AMR: %016lx pkey1: %d pkey2: %d pkey3: %d\n", + user_write, info->amr1, pkey1, pkey2, pkey3); + + mtspr(SPRN_AMR, info->amr1); + + /* Wait for parent to read our AMR value and write a new one. */ + ret = prod_parent(&info->child_sync); + CHILD_FAIL_IF(ret, &info->child_sync); + + ret = wait_parent(&info->child_sync); + if (ret) + return ret; + + reg = mfspr(SPRN_AMR); + + printf("%-30s AMR: %016lx\n", user_read, reg); + + CHILD_FAIL_IF(reg != info->amr2, &info->child_sync); + + /* + * Wait for parent to try to write an invalid AMR value. + */ + ret = prod_parent(&info->child_sync); + CHILD_FAIL_IF(ret, &info->child_sync); + + ret = wait_parent(&info->child_sync); + if (ret) + return ret; + + reg = mfspr(SPRN_AMR); + + printf("%-30s AMR: %016lx\n", user_read, reg); + + CHILD_FAIL_IF(reg != info->amr2, &info->child_sync); + + /* + * Wait for parent to try to write an IAMR and a UAMOR value. We can't + * verify them, but we can verify that the AMR didn't change. + */ + ret = prod_parent(&info->child_sync); + CHILD_FAIL_IF(ret, &info->child_sync); + + ret = wait_parent(&info->child_sync); + if (ret) + return ret; + + reg = mfspr(SPRN_AMR); + + printf("%-30s AMR: %016lx\n", user_read, reg); + + CHILD_FAIL_IF(reg != info->amr2, &info->child_sync); + + /* Now let parent now that we are finished. */ + + ret = prod_parent(&info->child_sync); + CHILD_FAIL_IF(ret, &info->child_sync); + + return TEST_PASS; +} + +static int parent(struct shared_info *info, pid_t pid) +{ + unsigned long regs[3]; + int ret, status; + + /* + * Get the initial values for AMR, IAMR and UAMOR and communicate them + * to the child. + */ + ret = ptrace_read_regs(pid, NT_PPC_PKEY, regs, 3); + PARENT_SKIP_IF_UNSUPPORTED(ret, &info->child_sync); + PARENT_FAIL_IF(ret, &info->child_sync); + + info->amr1 = info->amr2 = info->amr3 = regs[0]; + info->expected_iamr = info->new_iamr = regs[1]; + info->expected_uamor = info->new_uamor = regs[2]; + + /* Wake up child so that it can set itself up. */ + ret = prod_child(&info->child_sync); + PARENT_FAIL_IF(ret, &info->child_sync); + + ret = wait_child(&info->child_sync); + if (ret) + return ret; + + /* Verify that we can read the pkey registers from the child. */ + ret = ptrace_read_regs(pid, NT_PPC_PKEY, regs, 3); + PARENT_FAIL_IF(ret, &info->child_sync); + + printf("%-30s AMR: %016lx IAMR: %016lx UAMOR: %016lx\n", + ptrace_read_running, regs[0], regs[1], regs[2]); + + PARENT_FAIL_IF(regs[0] != info->amr1, &info->child_sync); + PARENT_FAIL_IF(regs[1] != info->expected_iamr, &info->child_sync); + PARENT_FAIL_IF(regs[2] != info->expected_uamor, &info->child_sync); + + /* Write valid AMR value in child. */ + ret = ptrace_write_regs(pid, NT_PPC_PKEY, &info->amr2, 1); + PARENT_FAIL_IF(ret, &info->child_sync); + + printf("%-30s AMR: %016lx\n", ptrace_write_running, info->amr2); + + /* Wake up child so that it can verify it changed. */ + ret = prod_child(&info->child_sync); + PARENT_FAIL_IF(ret, &info->child_sync); + + ret = wait_child(&info->child_sync); + if (ret) + return ret; + + /* Write invalid AMR value in child. */ + ret = ptrace_write_regs(pid, NT_PPC_PKEY, &info->amr3, 1); + PARENT_FAIL_IF(ret, &info->child_sync); + + printf("%-30s AMR: %016lx\n", ptrace_write_running, info->amr3); + + /* Wake up child so that it can verify it didn't change. */ + ret = prod_child(&info->child_sync); + PARENT_FAIL_IF(ret, &info->child_sync); + + ret = wait_child(&info->child_sync); + if (ret) + return ret; + + /* Try to write to IAMR. */ + regs[0] = info->amr1; + regs[1] = info->new_iamr; + ret = ptrace_write_regs(pid, NT_PPC_PKEY, regs, 2); + PARENT_FAIL_IF(!ret, &info->child_sync); + + printf("%-30s AMR: %016lx IAMR: %016lx\n", + ptrace_write_running, regs[0], regs[1]); + + /* Try to write to IAMR and UAMOR. */ + regs[2] = info->new_uamor; + ret = ptrace_write_regs(pid, NT_PPC_PKEY, regs, 3); + PARENT_FAIL_IF(!ret, &info->child_sync); + + printf("%-30s AMR: %016lx IAMR: %016lx UAMOR: %016lx\n", + ptrace_write_running, regs[0], regs[1], regs[2]); + + /* Verify that all registers still have their expected values. */ + ret = ptrace_read_regs(pid, NT_PPC_PKEY, regs, 3); + PARENT_FAIL_IF(ret, &info->child_sync); + + printf("%-30s AMR: %016lx IAMR: %016lx UAMOR: %016lx\n", + ptrace_read_running, regs[0], regs[1], regs[2]); + + PARENT_FAIL_IF(regs[0] != info->amr2, &info->child_sync); + PARENT_FAIL_IF(regs[1] != info->expected_iamr, &info->child_sync); + PARENT_FAIL_IF(regs[2] != info->expected_uamor, &info->child_sync); + + /* Wake up child so that it can verify AMR didn't change and wrap up. */ + ret = prod_child(&info->child_sync); + PARENT_FAIL_IF(ret, &info->child_sync); + + ret = wait(&status); + if (ret != pid) { + printf("Child's exit status not captured\n"); + ret = TEST_PASS; + } else if (!WIFEXITED(status)) { + printf("Child exited abnormally\n"); + ret = TEST_FAIL; + } else + ret = WEXITSTATUS(status) ? TEST_FAIL : TEST_PASS; + + return ret; +} + +static int ptrace_pkey(void) +{ + struct shared_info *info; + int shm_id; + int ret; + pid_t pid; + + shm_id = shmget(IPC_PRIVATE, sizeof(*info), 0777 | IPC_CREAT); + info = shmat(shm_id, NULL, 0); + + ret = init_child_sync(&info->child_sync); + if (ret) + return ret; + + pid = fork(); + if (pid < 0) { + perror("fork() failed"); + ret = TEST_FAIL; + } else if (pid == 0) + ret = child(info); + else + ret = parent(info, pid); + + shmdt(info); + + if (pid) { + destroy_child_sync(&info->child_sync); + shmctl(shm_id, IPC_RMID, NULL); + } + + return ret; +} + +int main(int argc, char *argv[]) +{ + return test_harness(ptrace_pkey, "ptrace_pkey"); +} diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace.h b/tools/testing/selftests/powerpc/ptrace/ptrace.h index 19fb825270a1..34201cfa8335 100644 --- a/tools/testing/selftests/powerpc/ptrace/ptrace.h +++ b/tools/testing/selftests/powerpc/ptrace/ptrace.h @@ -102,6 +102,44 @@ int cont_trace(pid_t child) return TEST_PASS; } +int ptrace_read_regs(pid_t child, unsigned long type, unsigned long regs[], + int n) +{ + struct iovec iov; + long ret; + + FAIL_IF(start_trace(child)); + + iov.iov_base = regs; + iov.iov_len = n * sizeof(unsigned long); + + ret = ptrace(PTRACE_GETREGSET, child, type, &iov); + if (ret) + return ret; + + FAIL_IF(stop_trace(child)); + + return TEST_PASS; +} + +long ptrace_write_regs(pid_t child, unsigned long type, unsigned long regs[], + int n) +{ + struct iovec iov; + long ret; + + FAIL_IF(start_trace(child)); + + iov.iov_base = regs; + iov.iov_len = n * sizeof(unsigned long); + + ret = ptrace(PTRACE_SETREGSET, child, type, &iov); + + FAIL_IF(stop_trace(child)); + + return ret; +} + /* TAR, PPR, DSCR */ int show_tar_registers(pid_t child, unsigned long *out) { diff --git a/tools/testing/selftests/powerpc/tm/.gitignore b/tools/testing/selftests/powerpc/tm/.gitignore index bb90d4b79524..c3ee8393dae8 100644 --- a/tools/testing/selftests/powerpc/tm/.gitignore +++ b/tools/testing/selftests/powerpc/tm/.gitignore @@ -14,3 +14,4 @@ tm-signal-context-chk-vsx tm-vmx-unavail tm-unavailable tm-trap +tm-sigreturn diff --git a/tools/testing/selftests/x86/test_syscall_vdso.c b/tools/testing/selftests/x86/test_syscall_vdso.c index 40370354d4c1..c9c3281077bc 100644 --- a/tools/testing/selftests/x86/test_syscall_vdso.c +++ b/tools/testing/selftests/x86/test_syscall_vdso.c @@ -100,12 +100,19 @@ asm ( " shl $32, %r8\n" " orq $0x7f7f7f7f, %r8\n" " movq %r8, %r9\n" - " movq %r8, %r10\n" - " movq %r8, %r11\n" - " movq %r8, %r12\n" - " movq %r8, %r13\n" - " movq %r8, %r14\n" - " movq %r8, %r15\n" + " incq %r9\n" + " movq %r9, %r10\n" + " incq %r10\n" + " movq %r10, %r11\n" + " incq %r11\n" + " movq %r11, %r12\n" + " incq %r12\n" + " movq %r12, %r13\n" + " incq %r13\n" + " movq %r13, %r14\n" + " incq %r14\n" + " movq %r14, %r15\n" + " incq %r15\n" " ret\n" " .code32\n" " .popsection\n" @@ -128,12 +135,13 @@ int check_regs64(void) int err = 0; int num = 8; uint64_t *r64 = ®s64.r8; + uint64_t expected = 0x7f7f7f7f7f7f7f7fULL; if (!kernel_is_64bit) return 0; do { - if (*r64 == 0x7f7f7f7f7f7f7f7fULL) + if (*r64 == expected++) continue; /* register did not change */ if (syscall_addr != (long)&int80) { /* @@ -147,18 +155,17 @@ int check_regs64(void) continue; } } else { - /* INT80 syscall entrypoint can be used by + /* + * INT80 syscall entrypoint can be used by * 64-bit programs too, unlike SYSCALL/SYSENTER. * Therefore it must preserve R12+ * (they are callee-saved registers in 64-bit C ABI). * - * This was probably historically not intended, - * but R8..11 are clobbered (cleared to 0). - * IOW: they are the only registers which aren't - * preserved across INT80 syscall. + * Starting in Linux 4.17 (and any kernel that + * backports the change), R8..11 are preserved. + * Historically (and probably unintentionally), they + * were clobbered or zeroed. */ - if (*r64 == 0 && num <= 11) - continue; } printf("[FAIL]\tR%d has changed:%016llx\n", num, *r64); err++; diff --git a/virt/kvm/arm/arm.c b/virt/kvm/arm/arm.c index dba629c5f8ac..a4c1b76240df 100644 --- a/virt/kvm/arm/arm.c +++ b/virt/kvm/arm/arm.c @@ -63,7 +63,7 @@ static DEFINE_PER_CPU(struct kvm_vcpu *, kvm_arm_running_vcpu); static atomic64_t kvm_vmid_gen = ATOMIC64_INIT(1); static u32 kvm_next_vmid; static unsigned int kvm_vmid_bits __read_mostly; -static DEFINE_SPINLOCK(kvm_vmid_lock); +static DEFINE_RWLOCK(kvm_vmid_lock); static bool vgic_present; @@ -473,11 +473,16 @@ static void update_vttbr(struct kvm *kvm) { phys_addr_t pgd_phys; u64 vmid; + bool new_gen; - if (!need_new_vmid_gen(kvm)) + read_lock(&kvm_vmid_lock); + new_gen = need_new_vmid_gen(kvm); + read_unlock(&kvm_vmid_lock); + + if (!new_gen) return; - spin_lock(&kvm_vmid_lock); + write_lock(&kvm_vmid_lock); /* * We need to re-check the vmid_gen here to ensure that if another vcpu @@ -485,7 +490,7 @@ static void update_vttbr(struct kvm *kvm) * use the same vmid. */ if (!need_new_vmid_gen(kvm)) { - spin_unlock(&kvm_vmid_lock); + write_unlock(&kvm_vmid_lock); return; } @@ -519,7 +524,7 @@ static void update_vttbr(struct kvm *kvm) vmid = ((u64)(kvm->arch.vmid) << VTTBR_VMID_SHIFT) & VTTBR_VMID_MASK(kvm_vmid_bits); kvm->arch.vttbr = kvm_phys_to_vttbr(pgd_phys) | vmid; - spin_unlock(&kvm_vmid_lock); + write_unlock(&kvm_vmid_lock); } static int kvm_vcpu_first_run_init(struct kvm_vcpu *vcpu) diff --git a/virt/kvm/arm/psci.c b/virt/kvm/arm/psci.c index 6919352cbf15..c4762bef13c6 100644 --- a/virt/kvm/arm/psci.c +++ b/virt/kvm/arm/psci.c @@ -18,6 +18,7 @@ #include <linux/arm-smccc.h> #include <linux/preempt.h> #include <linux/kvm_host.h> +#include <linux/uaccess.h> #include <linux/wait.h> #include <asm/cputype.h> @@ -427,3 +428,62 @@ int kvm_hvc_call_handler(struct kvm_vcpu *vcpu) smccc_set_retval(vcpu, val, 0, 0, 0); return 1; } + +int kvm_arm_get_fw_num_regs(struct kvm_vcpu *vcpu) +{ + return 1; /* PSCI version */ +} + +int kvm_arm_copy_fw_reg_indices(struct kvm_vcpu *vcpu, u64 __user *uindices) +{ + if (put_user(KVM_REG_ARM_PSCI_VERSION, uindices)) + return -EFAULT; + + return 0; +} + +int kvm_arm_get_fw_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) +{ + if (reg->id == KVM_REG_ARM_PSCI_VERSION) { + void __user *uaddr = (void __user *)(long)reg->addr; + u64 val; + + val = kvm_psci_version(vcpu, vcpu->kvm); + if (copy_to_user(uaddr, &val, KVM_REG_SIZE(reg->id))) + return -EFAULT; + + return 0; + } + + return -EINVAL; +} + +int kvm_arm_set_fw_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg) +{ + if (reg->id == KVM_REG_ARM_PSCI_VERSION) { + void __user *uaddr = (void __user *)(long)reg->addr; + bool wants_02; + u64 val; + + if (copy_from_user(&val, uaddr, KVM_REG_SIZE(reg->id))) + return -EFAULT; + + wants_02 = test_bit(KVM_ARM_VCPU_PSCI_0_2, vcpu->arch.features); + + switch (val) { + case KVM_ARM_PSCI_0_1: + if (wants_02) + return -EINVAL; + vcpu->kvm->arch.psci_version = val; + return 0; + case KVM_ARM_PSCI_0_2: + case KVM_ARM_PSCI_1_0: + if (!wants_02) + return -EINVAL; + vcpu->kvm->arch.psci_version = val; + return 0; + } + } + + return -EINVAL; +} diff --git a/virt/kvm/arm/vgic/vgic-mmio-v2.c b/virt/kvm/arm/vgic/vgic-mmio-v2.c index e21e2f49b005..ffc587bf4742 100644 --- a/virt/kvm/arm/vgic/vgic-mmio-v2.c +++ b/virt/kvm/arm/vgic/vgic-mmio-v2.c @@ -14,6 +14,8 @@ #include <linux/irqchip/arm-gic.h> #include <linux/kvm.h> #include <linux/kvm_host.h> +#include <linux/nospec.h> + #include <kvm/iodev.h> #include <kvm/arm_vgic.h> @@ -324,6 +326,9 @@ static unsigned long vgic_mmio_read_apr(struct kvm_vcpu *vcpu, if (n > vgic_v3_max_apr_idx(vcpu)) return 0; + + n = array_index_nospec(n, 4); + /* GICv3 only uses ICH_AP1Rn for memory mapped (GICv2) guests */ return vgicv3->vgic_ap1r[n]; } diff --git a/virt/kvm/arm/vgic/vgic.c b/virt/kvm/arm/vgic/vgic.c index e74baec76361..702936cbe173 100644 --- a/virt/kvm/arm/vgic/vgic.c +++ b/virt/kvm/arm/vgic/vgic.c @@ -14,11 +14,13 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ +#include <linux/interrupt.h> +#include <linux/irq.h> #include <linux/kvm.h> #include <linux/kvm_host.h> #include <linux/list_sort.h> -#include <linux/interrupt.h> -#include <linux/irq.h> +#include <linux/nospec.h> + #include <asm/kvm_hyp.h> #include "vgic.h" @@ -101,12 +103,16 @@ struct vgic_irq *vgic_get_irq(struct kvm *kvm, struct kvm_vcpu *vcpu, u32 intid) { /* SGIs and PPIs */ - if (intid <= VGIC_MAX_PRIVATE) + if (intid <= VGIC_MAX_PRIVATE) { + intid = array_index_nospec(intid, VGIC_MAX_PRIVATE); return &vcpu->arch.vgic_cpu.private_irqs[intid]; + } /* SPIs */ - if (intid <= VGIC_MAX_SPI) + if (intid <= VGIC_MAX_SPI) { + intid = array_index_nospec(intid, VGIC_MAX_SPI); return &kvm->arch.vgic.spis[intid - VGIC_NR_PRIVATE_IRQS]; + } /* LPIs */ if (intid >= VGIC_MIN_LPI) @@ -594,6 +600,7 @@ retry: list_for_each_entry_safe(irq, tmp, &vgic_cpu->ap_list_head, ap_list) { struct kvm_vcpu *target_vcpu, *vcpuA, *vcpuB; + bool target_vcpu_needs_kick = false; spin_lock(&irq->irq_lock); @@ -664,11 +671,18 @@ retry: list_del(&irq->ap_list); irq->vcpu = target_vcpu; list_add_tail(&irq->ap_list, &new_cpu->ap_list_head); + target_vcpu_needs_kick = true; } spin_unlock(&irq->irq_lock); spin_unlock(&vcpuB->arch.vgic_cpu.ap_list_lock); spin_unlock_irqrestore(&vcpuA->arch.vgic_cpu.ap_list_lock, flags); + + if (target_vcpu_needs_kick) { + kvm_make_request(KVM_REQ_IRQ_PENDING, target_vcpu); + kvm_vcpu_kick(target_vcpu); + } + goto retry; } |
