diff options
483 files changed, 4379 insertions, 2736 deletions
diff --git a/Documentation/devicetree/bindings/input/touchscreen/silead_gsl1680.txt b/Documentation/devicetree/bindings/input/touchscreen/silead_gsl1680.txt index 1112e0d794e1..820fee4b77b6 100644 --- a/Documentation/devicetree/bindings/input/touchscreen/silead_gsl1680.txt +++ b/Documentation/devicetree/bindings/input/touchscreen/silead_gsl1680.txt @@ -13,6 +13,7 @@ Required properties: - touchscreen-size-y : See touchscreen.txt Optional properties: +- firmware-name : File basename (string) for board specific firmware - touchscreen-inverted-x : See touchscreen.txt - touchscreen-inverted-y : See touchscreen.txt - touchscreen-swapped-x-y : See touchscreen.txt diff --git a/Documentation/devicetree/bindings/mmc/sdhci-st.txt b/Documentation/devicetree/bindings/mmc/sdhci-st.txt index 88faa91125bf..3cd4c43a3260 100644 --- a/Documentation/devicetree/bindings/mmc/sdhci-st.txt +++ b/Documentation/devicetree/bindings/mmc/sdhci-st.txt @@ -10,7 +10,7 @@ Required properties: subsystem (mmcss) inside the FlashSS (available in STiH407 SoC family). -- clock-names: Should be "mmc". +- clock-names: Should be "mmc" and "icn". (NB: The latter is not compulsory) See: Documentation/devicetree/bindings/resource-names.txt - clocks: Phandle to the clock. See: Documentation/devicetree/bindings/clock/clock-bindings.txt diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index d30fb2cb5066..fe15682e8acd 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -51,8 +51,6 @@ prototypes: int (*rmdir) (struct inode *,struct dentry *); int (*mknod) (struct inode *,struct dentry *,umode_t,dev_t); int (*rename) (struct inode *, struct dentry *, - struct inode *, struct dentry *); - int (*rename2) (struct inode *, struct dentry *, struct inode *, struct dentry *, unsigned int); int (*readlink) (struct dentry *, char __user *,int); const char *(*get_link) (struct dentry *, struct inode *, void **); @@ -83,8 +81,7 @@ symlink: yes mkdir: yes unlink: yes (both) rmdir: yes (both) (see below) -rename: yes (all) (see below) -rename2: yes (all) (see below) +rename: yes (all) (see below) readlink: no get_link: no setattr: yes @@ -102,8 +99,7 @@ tmpfile: no Additionally, ->rmdir(), ->unlink() and ->rename() have ->i_mutex on victim. - cross-directory ->rename() and rename2() has (per-superblock) -->s_vfs_rename_sem. + cross-directory ->rename() has (per-superblock) ->s_vfs_rename_sem. See Documentation/filesystems/directory-locking for more detailed discussion of the locking scheme for directory operations. diff --git a/Documentation/filesystems/directory-locking b/Documentation/filesystems/directory-locking index c314badbcfc6..4e32cb961e5b 100644 --- a/Documentation/filesystems/directory-locking +++ b/Documentation/filesystems/directory-locking @@ -19,7 +19,7 @@ locks victim and calls the method. Locks are exclusive. 4) rename() that is _not_ cross-directory. Locking rules: caller locks the parent and finds source and target. In case of exchange (with -RENAME_EXCHANGE in rename2() flags argument) lock both. In any case, +RENAME_EXCHANGE in flags argument) lock both. In any case, if the target already exists, lock it. If the source is a non-directory, lock it. If we need to lock both, lock them in inode pointer order. Then call the method. All locks are exclusive. diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting index b1bd05ea66b2..1ab28d9b612a 100644 --- a/Documentation/filesystems/porting +++ b/Documentation/filesystems/porting @@ -592,3 +592,7 @@ in your dentry operations instead. work just as well; if it's something more complicated, use dentry->d_parent. Just be careful not to assume that fetching it more than once will yield the same value - in RCU mode it could change under you. +-- +[mandatory] + ->rename() has an added flags argument. Any flags not handled by the + filesystem should result in EINVAL being returned. diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt index 9ace359d6cc5..b6bfa0bc02f8 100644 --- a/Documentation/filesystems/vfs.txt +++ b/Documentation/filesystems/vfs.txt @@ -346,8 +346,6 @@ struct inode_operations { int (*rmdir) (struct inode *,struct dentry *); int (*mknod) (struct inode *,struct dentry *,umode_t,dev_t); int (*rename) (struct inode *, struct dentry *, - struct inode *, struct dentry *); - int (*rename2) (struct inode *, struct dentry *, struct inode *, struct dentry *, unsigned int); int (*readlink) (struct dentry *, char __user *,int); const char *(*get_link) (struct dentry *, struct inode *, @@ -416,11 +414,8 @@ otherwise noted. rename: called by the rename(2) system call to rename the object to have the parent and name given by the second inode and dentry. - rename2: this has an additional flags argument compared to rename. - If no flags are supported by the filesystem then this method - need not be implemented. If some flags are supported then the - filesystem must return -EINVAL for any unsupported or unknown - flags. Currently the following flags are implemented: + The filesystem must return -EINVAL for any unsupported or + unknown flags. Currently the following flags are implemented: (1) RENAME_NOREPLACE: this flag indicates that if the target of the rename exists the rename should fail with -EEXIST instead of replacing the target. The VFS already checks for diff --git a/Documentation/media/uapi/cec/cec-ioc-adap-g-log-addrs.rst b/Documentation/media/uapi/cec/cec-ioc-adap-g-log-addrs.rst index 04ee90099676..201d4839931c 100644 --- a/Documentation/media/uapi/cec/cec-ioc-adap-g-log-addrs.rst +++ b/Documentation/media/uapi/cec/cec-ioc-adap-g-log-addrs.rst @@ -144,7 +144,7 @@ logical address types are already defined will return with error ``EBUSY``. - ``flags`` - - Flags. No flags are defined yet, so set this to 0. + - Flags. See :ref:`cec-log-addrs-flags` for a list of available flags. - .. row 7 @@ -201,6 +201,25 @@ logical address types are already defined will return with error ``EBUSY``. give the CEC framework more information about the device type, even though the framework won't use it directly in the CEC message. +.. _cec-log-addrs-flags: + +.. flat-table:: Flags for struct cec_log_addrs + :header-rows: 0 + :stub-columns: 0 + :widths: 3 1 4 + + + - .. _`CEC-LOG-ADDRS-FL-ALLOW-UNREG-FALLBACK`: + + - ``CEC_LOG_ADDRS_FL_ALLOW_UNREG_FALLBACK`` + + - 1 + + - By default if no logical address of the requested type can be claimed, then + it will go back to the unconfigured state. If this flag is set, then it will + fallback to the Unregistered logical address. Note that if the Unregistered + logical address was explicitly requested, then this flag has no effect. + .. _cec-versions: .. flat-table:: CEC Versions diff --git a/Documentation/media/uapi/cec/cec-ioc-dqevent.rst b/Documentation/media/uapi/cec/cec-ioc-dqevent.rst index 7a6d6d00ce19..2e1e73928396 100644 --- a/Documentation/media/uapi/cec/cec-ioc-dqevent.rst +++ b/Documentation/media/uapi/cec/cec-ioc-dqevent.rst @@ -64,7 +64,8 @@ it is guaranteed that the state did change in between the two events. - ``phys_addr`` - - The current physical address. + - The current physical address. This is ``CEC_PHYS_ADDR_INVALID`` if no + valid physical address is set. - .. row 2 @@ -72,7 +73,10 @@ it is guaranteed that the state did change in between the two events. - ``log_addr_mask`` - - The current set of claimed logical addresses. + - The current set of claimed logical addresses. This is 0 if no logical + addresses are claimed or if ``phys_addr`` is ``CEC_PHYS_ADDR_INVALID``. + If bit 15 is set (``1 << CEC_LOG_ADDR_UNREGISTERED``) then this device + has the unregistered logical address. In that case all other bits are 0. diff --git a/MAINTAINERS b/MAINTAINERS index 6781a3febd59..01bff8ea28d8 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1625,6 +1625,7 @@ N: rockchip ARM/SAMSUNG EXYNOS ARM ARCHITECTURES M: Kukjin Kim <kgene@kernel.org> M: Krzysztof Kozlowski <krzk@kernel.org> +R: Javier Martinez Canillas <javier@osg.samsung.com> L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) L: linux-samsung-soc@vger.kernel.org (moderated for non-subscribers) S: Maintained @@ -2485,7 +2486,7 @@ F: include/net/bluetooth/ BONDING DRIVER M: Jay Vosburgh <j.vosburgh@gmail.com> M: Veaceslav Falico <vfalico@gmail.com> -M: Andy Gospodarek <gospo@cumulusnetworks.com> +M: Andy Gospodarek <andy@greyhouse.net> L: netdev@vger.kernel.org W: http://sourceforge.net/projects/bonding/ S: Supported @@ -2500,7 +2501,7 @@ S: Supported F: kernel/bpf/ BROADCOM B44 10/100 ETHERNET DRIVER -M: Gary Zambrano <zambrano@broadcom.com> +M: Michael Chan <michael.chan@broadcom.com> L: netdev@vger.kernel.org S: Supported F: drivers/net/ethernet/broadcom/b44.* @@ -3269,7 +3270,7 @@ S: Maintained F: drivers/net/wan/cosa* CPMAC ETHERNET DRIVER -M: Florian Fainelli <florian@openwrt.org> +M: Florian Fainelli <f.fainelli@gmail.com> L: netdev@vger.kernel.org S: Maintained F: drivers/net/ethernet/ti/cpmac.c @@ -6102,7 +6103,7 @@ S: Supported F: drivers/cpufreq/intel_pstate.c INTEL FRAMEBUFFER DRIVER (excluding 810 and 815) -M: Maik Broemme <mbroemme@plusserver.de> +M: Maik Broemme <mbroemme@libmpq.org> L: linux-fbdev@vger.kernel.org S: Maintained F: Documentation/fb/intelfb.txt @@ -8160,6 +8161,15 @@ S: Maintained W: https://fedorahosted.org/dropwatch/ F: net/core/drop_monitor.c +NETWORKING [DSA] +M: Andrew Lunn <andrew@lunn.ch> +M: Vivien Didelot <vivien.didelot@savoirfairelinux.com> +M: Florian Fainelli <f.fainelli@gmail.com> +S: Maintained +F: net/dsa/ +F: include/net/dsa.h +F: drivers/net/dsa/ + NETWORKING [GENERAL] M: "David S. Miller" <davem@davemloft.net> L: netdev@vger.kernel.org @@ -12568,7 +12578,7 @@ F: include/linux/if_*vlan.h F: net/8021q/ VLYNQ BUS -M: Florian Fainelli <florian@openwrt.org> +M: Florian Fainelli <f.fainelli@gmail.com> L: openwrt-devel@lists.openwrt.org (subscribers-only) S: Maintained F: drivers/vlynq/vlynq.c @@ -1,7 +1,7 @@ VERSION = 4 PATCHLEVEL = 8 SUBLEVEL = 0 -EXTRAVERSION = -rc6 +EXTRAVERSION = -rc8 NAME = Psychotic Stoned Sheep # *DOCUMENTATION* diff --git a/arch/alpha/include/asm/uaccess.h b/arch/alpha/include/asm/uaccess.h index c419b43c461d..466e42e96bfa 100644 --- a/arch/alpha/include/asm/uaccess.h +++ b/arch/alpha/include/asm/uaccess.h @@ -371,14 +371,6 @@ __copy_tofrom_user_nocheck(void *to, const void *from, long len) return __cu_len; } -extern inline long -__copy_tofrom_user(void *to, const void *from, long len, const void __user *validate) -{ - if (__access_ok((unsigned long)validate, len, get_fs())) - len = __copy_tofrom_user_nocheck(to, from, len); - return len; -} - #define __copy_to_user(to, from, n) \ ({ \ __chk_user_ptr(to); \ @@ -393,17 +385,22 @@ __copy_tofrom_user(void *to, const void *from, long len, const void __user *vali #define __copy_to_user_inatomic __copy_to_user #define __copy_from_user_inatomic __copy_from_user - extern inline long copy_to_user(void __user *to, const void *from, long n) { - return __copy_tofrom_user((__force void *)to, from, n, to); + if (likely(__access_ok((unsigned long)to, n, get_fs()))) + n = __copy_tofrom_user_nocheck((__force void *)to, from, n); + return n; } extern inline long copy_from_user(void *to, const void __user *from, long n) { - return __copy_tofrom_user(to, (__force void *)from, n, from); + if (likely(__access_ok((unsigned long)from, n, get_fs()))) + n = __copy_tofrom_user_nocheck(to, (__force void *)from, n); + else + memset(to, 0, n); + return n; } extern void __do_clear_user(void); diff --git a/arch/arc/include/asm/uaccess.h b/arch/arc/include/asm/uaccess.h index a78d5670884f..41faf17cd28d 100644 --- a/arch/arc/include/asm/uaccess.h +++ b/arch/arc/include/asm/uaccess.h @@ -83,7 +83,10 @@ "2: ;nop\n" \ " .section .fixup, \"ax\"\n" \ " .align 4\n" \ - "3: mov %0, %3\n" \ + "3: # return -EFAULT\n" \ + " mov %0, %3\n" \ + " # zero out dst ptr\n" \ + " mov %1, 0\n" \ " j 2b\n" \ " .previous\n" \ " .section __ex_table, \"a\"\n" \ @@ -101,7 +104,11 @@ "2: ;nop\n" \ " .section .fixup, \"ax\"\n" \ " .align 4\n" \ - "3: mov %0, %3\n" \ + "3: # return -EFAULT\n" \ + " mov %0, %3\n" \ + " # zero out dst ptr\n" \ + " mov %1, 0\n" \ + " mov %R1, 0\n" \ " j 2b\n" \ " .previous\n" \ " .section __ex_table, \"a\"\n" \ diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi index caf2707680c1..e9b47b2bbc33 100644 --- a/arch/arm/boot/dts/bcm2835-rpi.dtsi +++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi @@ -2,6 +2,7 @@ / { memory { + device_type = "memory"; reg = <0 0x10000000>; }; diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi index b98252232d20..445624a1a1de 100644 --- a/arch/arm/boot/dts/bcm283x.dtsi +++ b/arch/arm/boot/dts/bcm283x.dtsi @@ -2,7 +2,6 @@ #include <dt-bindings/clock/bcm2835.h> #include <dt-bindings/clock/bcm2835-aux.h> #include <dt-bindings/gpio/gpio.h> -#include "skeleton.dtsi" /* This include file covers the common peripherals and configuration between * bcm2835 and bcm2836 implementations, leaving the CPU configuration to @@ -13,6 +12,8 @@ compatible = "brcm,bcm2835"; model = "BCM2835"; interrupt-parent = <&intc>; + #address-cells = <1>; + #size-cells = <1>; chosen { bootargs = "earlyprintk console=ttyAMA0"; diff --git a/arch/arm/boot/dts/stih407-family.dtsi b/arch/arm/boot/dts/stih407-family.dtsi index d294e82447a2..8b063ab10c19 100644 --- a/arch/arm/boot/dts/stih407-family.dtsi +++ b/arch/arm/boot/dts/stih407-family.dtsi @@ -550,8 +550,9 @@ interrupt-names = "mmcirq"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_mmc0>; - clock-names = "mmc"; - clocks = <&clk_s_c0_flexgen CLK_MMC_0>; + clock-names = "mmc", "icn"; + clocks = <&clk_s_c0_flexgen CLK_MMC_0>, + <&clk_s_c0_flexgen CLK_RX_ICN_HVA>; bus-width = <8>; non-removable; }; @@ -565,8 +566,9 @@ interrupt-names = "mmcirq"; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_sd1>; - clock-names = "mmc"; - clocks = <&clk_s_c0_flexgen CLK_MMC_1>; + clock-names = "mmc", "icn"; + clocks = <&clk_s_c0_flexgen CLK_MMC_1>, + <&clk_s_c0_flexgen CLK_RX_ICN_HVA>; resets = <&softreset STIH407_MMC1_SOFTRESET>; bus-width = <4>; }; diff --git a/arch/arm/boot/dts/stih410.dtsi b/arch/arm/boot/dts/stih410.dtsi index 18ed1ad10d32..40318869c733 100644 --- a/arch/arm/boot/dts/stih410.dtsi +++ b/arch/arm/boot/dts/stih410.dtsi @@ -41,7 +41,8 @@ compatible = "st,st-ohci-300x"; reg = <0x9a03c00 0x100>; interrupts = <GIC_SPI 180 IRQ_TYPE_NONE>; - clocks = <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>; + clocks = <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>, + <&clk_s_c0_flexgen CLK_RX_ICN_DISP_0>; resets = <&powerdown STIH407_USB2_PORT0_POWERDOWN>, <&softreset STIH407_USB2_PORT0_SOFTRESET>; reset-names = "power", "softreset"; @@ -57,7 +58,8 @@ interrupts = <GIC_SPI 151 IRQ_TYPE_NONE>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usb0>; - clocks = <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>; + clocks = <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>, + <&clk_s_c0_flexgen CLK_RX_ICN_DISP_0>; resets = <&powerdown STIH407_USB2_PORT0_POWERDOWN>, <&softreset STIH407_USB2_PORT0_SOFTRESET>; reset-names = "power", "softreset"; @@ -71,7 +73,8 @@ compatible = "st,st-ohci-300x"; reg = <0x9a83c00 0x100>; interrupts = <GIC_SPI 181 IRQ_TYPE_NONE>; - clocks = <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>; + clocks = <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>, + <&clk_s_c0_flexgen CLK_RX_ICN_DISP_0>; resets = <&powerdown STIH407_USB2_PORT1_POWERDOWN>, <&softreset STIH407_USB2_PORT1_SOFTRESET>; reset-names = "power", "softreset"; @@ -87,7 +90,8 @@ interrupts = <GIC_SPI 153 IRQ_TYPE_NONE>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_usb1>; - clocks = <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>; + clocks = <&clk_s_c0_flexgen CLK_TX_ICN_DISP_0>, + <&clk_s_c0_flexgen CLK_RX_ICN_DISP_0>; resets = <&powerdown STIH407_USB2_PORT1_POWERDOWN>, <&softreset STIH407_USB2_PORT1_SOFTRESET>; reset-names = "power", "softreset"; diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c index 0e97b4b871f9..6c7b06854fce 100644 --- a/arch/arm/common/locomo.c +++ b/arch/arm/common/locomo.c @@ -140,7 +140,7 @@ static struct locomo_dev_info locomo_devices[] = { static void locomo_handler(struct irq_desc *desc) { - struct locomo *lchip = irq_desc_get_chip_data(desc); + struct locomo *lchip = irq_desc_get_handler_data(desc); int req, i; /* Acknowledge the parent IRQ */ @@ -200,8 +200,7 @@ static void locomo_setup_irq(struct locomo *lchip) * Install handler for IRQ_LOCOMO_HW. */ irq_set_irq_type(lchip->irq, IRQ_TYPE_EDGE_FALLING); - irq_set_chip_data(lchip->irq, lchip); - irq_set_chained_handler(lchip->irq, locomo_handler); + irq_set_chained_handler_and_data(lchip->irq, locomo_handler, lchip); /* Install handlers for IRQ_LOCOMO_* */ for ( ; irq <= lchip->irq_base + 3; irq++) { diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c index fb0a0a4dfea4..2e076c492005 100644 --- a/arch/arm/common/sa1111.c +++ b/arch/arm/common/sa1111.c @@ -472,8 +472,8 @@ static int sa1111_setup_irq(struct sa1111 *sachip, unsigned irq_base) * specifies that S0ReadyInt and S1ReadyInt should be '1'. */ sa1111_writel(0, irqbase + SA1111_INTPOL0); - sa1111_writel(SA1111_IRQMASK_HI(IRQ_S0_READY_NINT) | - SA1111_IRQMASK_HI(IRQ_S1_READY_NINT), + sa1111_writel(BIT(IRQ_S0_READY_NINT & 31) | + BIT(IRQ_S1_READY_NINT & 31), irqbase + SA1111_INTPOL1); /* clear all IRQs */ @@ -754,7 +754,7 @@ static int __sa1111_probe(struct device *me, struct resource *mem, int irq) if (sachip->irq != NO_IRQ) { ret = sa1111_setup_irq(sachip, pd->irq_base); if (ret) - goto err_unmap; + goto err_clk; } #ifdef CONFIG_ARCH_SA1100 @@ -799,6 +799,8 @@ static int __sa1111_probe(struct device *me, struct resource *mem, int irq) return 0; + err_clk: + clk_disable(sachip->clk); err_unmap: iounmap(sachip->base); err_clk_unprep: @@ -869,9 +871,9 @@ struct sa1111_save_data { #ifdef CONFIG_PM -static int sa1111_suspend(struct platform_device *dev, pm_message_t state) +static int sa1111_suspend_noirq(struct device *dev) { - struct sa1111 *sachip = platform_get_drvdata(dev); + struct sa1111 *sachip = dev_get_drvdata(dev); struct sa1111_save_data *save; unsigned long flags; unsigned int val; @@ -934,9 +936,9 @@ static int sa1111_suspend(struct platform_device *dev, pm_message_t state) * restored by their respective drivers, and must be called * via LDM after this function. */ -static int sa1111_resume(struct platform_device *dev) +static int sa1111_resume_noirq(struct device *dev) { - struct sa1111 *sachip = platform_get_drvdata(dev); + struct sa1111 *sachip = dev_get_drvdata(dev); struct sa1111_save_data *save; unsigned long flags, id; void __iomem *base; @@ -952,7 +954,7 @@ static int sa1111_resume(struct platform_device *dev) id = sa1111_readl(sachip->base + SA1111_SKID); if ((id & SKID_ID_MASK) != SKID_SA1111_ID) { __sa1111_remove(sachip); - platform_set_drvdata(dev, NULL); + dev_set_drvdata(dev, NULL); kfree(save); return 0; } @@ -1003,8 +1005,8 @@ static int sa1111_resume(struct platform_device *dev) } #else -#define sa1111_suspend NULL -#define sa1111_resume NULL +#define sa1111_suspend_noirq NULL +#define sa1111_resume_noirq NULL #endif static int sa1111_probe(struct platform_device *pdev) @@ -1017,7 +1019,7 @@ static int sa1111_probe(struct platform_device *pdev) return -EINVAL; irq = platform_get_irq(pdev, 0); if (irq < 0) - return -ENXIO; + return irq; return __sa1111_probe(&pdev->dev, mem, irq); } @@ -1038,6 +1040,11 @@ static int sa1111_remove(struct platform_device *pdev) return 0; } +static struct dev_pm_ops sa1111_pm_ops = { + .suspend_noirq = sa1111_suspend_noirq, + .resume_noirq = sa1111_resume_noirq, +}; + /* * Not sure if this should be on the system bus or not yet. * We really want some way to register a system device at @@ -1050,10 +1057,9 @@ static int sa1111_remove(struct platform_device *pdev) static struct platform_driver sa1111_device_driver = { .probe = sa1111_probe, .remove = sa1111_remove, - .suspend = sa1111_suspend, - .resume = sa1111_resume, .driver = { .name = "sa1111", + .pm = &sa1111_pm_ops, }, }; diff --git a/arch/arm/configs/keystone_defconfig b/arch/arm/configs/keystone_defconfig index 71b42e66488a..78cd2f197e01 100644 --- a/arch/arm/configs/keystone_defconfig +++ b/arch/arm/configs/keystone_defconfig @@ -161,6 +161,7 @@ CONFIG_USB_MON=y CONFIG_USB_XHCI_HCD=y CONFIG_USB_STORAGE=y CONFIG_USB_DWC3=y +CONFIG_NOP_USB_XCEIV=y CONFIG_KEYSTONE_USB_PHY=y CONFIG_NEW_LEDS=y CONFIG_LEDS_CLASS=y diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig index 2c8665cd9dc5..ea3566fb92e2 100644 --- a/arch/arm/configs/multi_v7_defconfig +++ b/arch/arm/configs/multi_v7_defconfig @@ -781,7 +781,7 @@ CONFIG_MXS_DMA=y CONFIG_DMA_BCM2835=y CONFIG_DMA_OMAP=y CONFIG_QCOM_BAM_DMA=y -CONFIG_XILINX_VDMA=y +CONFIG_XILINX_DMA=y CONFIG_DMA_SUN6I=y CONFIG_STAGING=y CONFIG_SENSORS_ISL29018=y diff --git a/arch/arm/crypto/aes-ce-glue.c b/arch/arm/crypto/aes-ce-glue.c index da3c0428507b..aef022a87c53 100644 --- a/arch/arm/crypto/aes-ce-glue.c +++ b/arch/arm/crypto/aes-ce-glue.c @@ -284,7 +284,7 @@ static int ctr_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, err = blkcipher_walk_done(desc, &walk, walk.nbytes % AES_BLOCK_SIZE); } - if (nbytes) { + if (walk.nbytes % AES_BLOCK_SIZE) { u8 *tdst = walk.dst.virt.addr + blocks * AES_BLOCK_SIZE; u8 *tsrc = walk.src.virt.addr + blocks * AES_BLOCK_SIZE; u8 __aligned(8) tail[AES_BLOCK_SIZE]; diff --git a/arch/arm/include/asm/pgtable-2level-hwdef.h b/arch/arm/include/asm/pgtable-2level-hwdef.h index d0131ee6f6af..3f82e9da7cec 100644 --- a/arch/arm/include/asm/pgtable-2level-hwdef.h +++ b/arch/arm/include/asm/pgtable-2level-hwdef.h @@ -47,6 +47,7 @@ #define PMD_SECT_WB (PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE) #define PMD_SECT_MINICACHE (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE) #define PMD_SECT_WBWA (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE) +#define PMD_SECT_CACHE_MASK (PMD_SECT_TEX(1) | PMD_SECT_CACHEABLE | PMD_SECT_BUFFERABLE) #define PMD_SECT_NONSHARED_DEV (PMD_SECT_TEX(2)) /* diff --git a/arch/arm/include/asm/pgtable-3level-hwdef.h b/arch/arm/include/asm/pgtable-3level-hwdef.h index f8f1cff62065..4cd664abfcd3 100644 --- a/arch/arm/include/asm/pgtable-3level-hwdef.h +++ b/arch/arm/include/asm/pgtable-3level-hwdef.h @@ -62,6 +62,7 @@ #define PMD_SECT_WT (_AT(pmdval_t, 2) << 2) /* normal inner write-through */ #define PMD_SECT_WB (_AT(pmdval_t, 3) << 2) /* normal inner write-back */ #define PMD_SECT_WBWA (_AT(pmdval_t, 7) << 2) /* normal inner write-alloc */ +#define PMD_SECT_CACHE_MASK (_AT(pmdval_t, 7) << 2) /* * + Level 3 descriptor (PTE) diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c index 75f130ef6504..c94b90d43772 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -158,8 +158,6 @@ void kvm_arch_destroy_vm(struct kvm *kvm) { int i; - kvm_free_stage2_pgd(kvm); - for (i = 0; i < KVM_MAX_VCPUS; ++i) { if (kvm->vcpus[i]) { kvm_arch_vcpu_free(kvm->vcpus[i]); diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c index 29d0b23af2a9..e9a5c0e0c115 100644 --- a/arch/arm/kvm/mmu.c +++ b/arch/arm/kvm/mmu.c @@ -1714,7 +1714,8 @@ int kvm_mmu_init(void) kern_hyp_va(PAGE_OFFSET), kern_hyp_va(~0UL)); if (hyp_idmap_start >= kern_hyp_va(PAGE_OFFSET) && - hyp_idmap_start < kern_hyp_va(~0UL)) { + hyp_idmap_start < kern_hyp_va(~0UL) && + hyp_idmap_start != (unsigned long)__hyp_idmap_text_start) { /* * The idmap page is intersecting with the VA space, * it is not safe to continue further. @@ -1893,6 +1894,7 @@ void kvm_arch_memslots_updated(struct kvm *kvm, struct kvm_memslots *slots) void kvm_arch_flush_shadow_all(struct kvm *kvm) { + kvm_free_stage2_pgd(kvm); } void kvm_arch_flush_shadow_memslot(struct kvm *kvm, diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c index 3750575c73c5..06332f626565 100644 --- a/arch/arm/mach-exynos/suspend.c +++ b/arch/arm/mach-exynos/suspend.c @@ -255,6 +255,12 @@ static int __init exynos_pmu_irq_init(struct device_node *node, return -ENOMEM; } + /* + * Clear the OF_POPULATED flag set in of_irq_init so that + * later the Exynos PMU platform device won't be skipped. + */ + of_node_clear_flag(node, OF_POPULATED); + return 0; } diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c index 7245f3359564..d6159f8ef0c2 100644 --- a/arch/arm/mach-pxa/lubbock.c +++ b/arch/arm/mach-pxa/lubbock.c @@ -137,6 +137,18 @@ static struct pxa2xx_udc_mach_info udc_info __initdata = { // no D+ pullup; lubbock can't connect/disconnect in software }; +static void lubbock_init_pcmcia(void) +{ + struct clk *clk; + + /* Add an alias for the SA1111 PCMCIA clock */ + clk = clk_get_sys("pxa2xx-pcmcia", NULL); + if (!IS_ERR(clk)) { + clkdev_create(clk, NULL, "1800"); + clk_put(clk); + } +} + static struct resource sa1111_resources[] = { [0] = { .start = 0x10000000, @@ -467,6 +479,8 @@ static void __init lubbock_init(void) pxa_set_btuart_info(NULL); pxa_set_stuart_info(NULL); + lubbock_init_pcmcia(); + clk_add_alias("SA1111_CLK", NULL, "GPIO11_CLK", NULL); pxa_set_udc_info(&udc_info); pxa_set_fb_info(NULL, &sharp_lm8v31); diff --git a/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c b/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c index 62437b57813e..73e3adbc1330 100644 --- a/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c +++ b/arch/arm/mach-shmobile/regulator-quirk-rcar-gen2.c @@ -41,39 +41,26 @@ #define REGULATOR_IRQ_MASK BIT(2) /* IRQ2, active low */ -static void __iomem *irqc; - -static const u8 da9063_mask_regs[] = { - DA9063_REG_IRQ_MASK_A, - DA9063_REG_IRQ_MASK_B, - DA9063_REG_IRQ_MASK_C, - DA9063_REG_IRQ_MASK_D, -}; - -/* DA9210 System Control and Event Registers */ +/* start of DA9210 System Control and Event Registers */ #define DA9210_REG_MASK_A 0x54 -#define DA9210_REG_MASK_B 0x55 - -static const u8 da9210_mask_regs[] = { - DA9210_REG_MASK_A, - DA9210_REG_MASK_B, -}; - -static void da9xxx_mask_irqs(struct i2c_client *client, const u8 regs[], - unsigned int nregs) -{ - unsigned int i; - dev_info(&client->dev, "Masking %s interrupt sources\n", client->name); +static void __iomem *irqc; - for (i = 0; i < nregs; i++) { - int error = i2c_smbus_write_byte_data(client, regs[i], ~0); - if (error) { - dev_err(&client->dev, "i2c error %d\n", error); - return; - } - } -} +/* first byte sets the memory pointer, following are consecutive reg values */ +static u8 da9063_irq_clr[] = { DA9063_REG_IRQ_MASK_A, 0xff, 0xff, 0xff, 0xff }; +static u8 da9210_irq_clr[] = { DA9210_REG_MASK_A, 0xff, 0xff }; + +static struct i2c_msg da9xxx_msgs[2] = { + { + .addr = 0x58, + .len = ARRAY_SIZE(da9063_irq_clr), + .buf = da9063_irq_clr, + }, { + .addr = 0x68, + .len = ARRAY_SIZE(da9210_irq_clr), + .buf = da9210_irq_clr, + }, +}; static int regulator_quirk_notify(struct notifier_block *nb, unsigned long action, void *data) @@ -93,12 +80,15 @@ static int regulator_quirk_notify(struct notifier_block *nb, client = to_i2c_client(dev); dev_dbg(dev, "Detected %s\n", client->name); - if ((client->addr == 0x58 && !strcmp(client->name, "da9063"))) - da9xxx_mask_irqs(client, da9063_mask_regs, - ARRAY_SIZE(da9063_mask_regs)); - else if (client->addr == 0x68 && !strcmp(client->name, "da9210")) - da9xxx_mask_irqs(client, da9210_mask_regs, - ARRAY_SIZE(da9210_mask_regs)); + if ((client->addr == 0x58 && !strcmp(client->name, "da9063")) || + (client->addr == 0x68 && !strcmp(client->name, "da9210"))) { + int ret; + + dev_info(&client->dev, "clearing da9063/da9210 interrupts\n"); + ret = i2c_transfer(client->adapter, da9xxx_msgs, ARRAY_SIZE(da9xxx_msgs)); + if (ret != ARRAY_SIZE(da9xxx_msgs)) + dev_err(&client->dev, "i2c error %d\n", ret); + } mon = ioread32(irqc + IRQC_MONITOR); if (mon & REGULATOR_IRQ_MASK) diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 6344913f0804..30fe03f95c85 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -137,7 +137,7 @@ void __init init_default_cache_policy(unsigned long pmd) initial_pmd_value = pmd; - pmd &= PMD_SECT_TEX(1) | PMD_SECT_BUFFERABLE | PMD_SECT_CACHEABLE; + pmd &= PMD_SECT_CACHE_MASK; for (i = 0; i < ARRAY_SIZE(cache_policies); i++) if (cache_policies[i].pmd == pmd) { diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c index 3d2cef6488ea..f193414d0f6f 100644 --- a/arch/arm/xen/enlighten.c +++ b/arch/arm/xen/enlighten.c @@ -170,9 +170,6 @@ static int xen_starting_cpu(unsigned int cpu) pr_info("Xen: initializing cpu%d\n", cpu); vcpup = per_cpu_ptr(xen_vcpu_info, cpu); - /* Direct vCPU id mapping for ARM guests. */ - per_cpu(xen_vcpu_id, cpu) = cpu; - info.mfn = virt_to_gfn(vcpup); info.offset = xen_offset_in_page(vcpup); @@ -330,6 +327,7 @@ static int __init xen_guest_init(void) { struct xen_add_to_physmap xatp; struct shared_info *shared_info_page = NULL; + int cpu; if (!xen_domain()) return 0; @@ -380,7 +378,8 @@ static int __init xen_guest_init(void) return -ENOMEM; /* Direct vCPU id mapping for ARM guests. */ - per_cpu(xen_vcpu_id, 0) = 0; + for_each_possible_cpu(cpu) + per_cpu(xen_vcpu_id, cpu) = cpu; xen_auto_xlat_grant_frames.count = gnttab_max_grant_frames(); if (xen_xlate_map_ballooned_pages(&xen_auto_xlat_grant_frames.pfn, diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi index 445aa678f914..c2b9bcb0ef61 100644 --- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi @@ -255,10 +255,10 @@ /* Local timer */ timer { compatible = "arm,armv8-timer"; - interrupts = <1 13 0xf01>, - <1 14 0xf01>, - <1 11 0xf01>, - <1 10 0xf01>; + interrupts = <1 13 0xf08>, + <1 14 0xf08>, + <1 11 0xf08>, + <1 10 0xf08>; }; timer0: timer0@ffc03000 { diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi index e502c24b0ac7..bf6c8d051002 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi @@ -102,13 +102,13 @@ timer { compatible = "arm,armv8-timer"; interrupts = <GIC_PPI 13 - (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_EDGE_RISING)>, + (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>, <GIC_PPI 14 - (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_EDGE_RISING)>, + (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>, <GIC_PPI 11 - (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_EDGE_RISING)>, + (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>, <GIC_PPI 10 - (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_EDGE_RISING)>; + (GIC_CPU_MASK_RAW(0xff) | IRQ_TYPE_LEVEL_LOW)>; }; xtal: xtal-clk { diff --git a/arch/arm64/boot/dts/apm/apm-storm.dtsi b/arch/arm64/boot/dts/apm/apm-storm.dtsi index f1c2c713f9b0..c29dab9d1834 100644 --- a/arch/arm64/boot/dts/apm/apm-storm.dtsi +++ b/arch/arm64/boot/dts/apm/apm-storm.dtsi @@ -110,10 +110,10 @@ timer { compatible = "arm,armv8-timer"; - interrupts = <1 0 0xff01>, /* Secure Phys IRQ */ - <1 13 0xff01>, /* Non-secure Phys IRQ */ - <1 14 0xff01>, /* Virt IRQ */ - <1 15 0xff01>; /* Hyp IRQ */ + interrupts = <1 0 0xff08>, /* Secure Phys IRQ */ + <1 13 0xff08>, /* Non-secure Phys IRQ */ + <1 14 0xff08>, /* Virt IRQ */ + <1 15 0xff08>; /* Hyp IRQ */ clock-frequency = <50000000>; }; diff --git a/arch/arm64/boot/dts/broadcom/bcm2835-rpi.dtsi b/arch/arm64/boot/dts/broadcom/bcm2835-rpi.dtsi new file mode 120000 index 000000000000..3937b77cb310 --- /dev/null +++ b/arch/arm64/boot/dts/broadcom/bcm2835-rpi.dtsi @@ -0,0 +1 @@ +../../../../arm/boot/dts/bcm2835-rpi.dtsi
\ No newline at end of file diff --git a/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts b/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts index 6f47dd2bb1db..7841b724e340 100644 --- a/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts +++ b/arch/arm64/boot/dts/broadcom/bcm2837-rpi-3-b.dts @@ -1,7 +1,7 @@ /dts-v1/; #include "bcm2837.dtsi" -#include "../../../../arm/boot/dts/bcm2835-rpi.dtsi" -#include "../../../../arm/boot/dts/bcm283x-rpi-smsc9514.dtsi" +#include "bcm2835-rpi.dtsi" +#include "bcm283x-rpi-smsc9514.dtsi" / { compatible = "raspberrypi,3-model-b", "brcm,bcm2837"; diff --git a/arch/arm64/boot/dts/broadcom/bcm2837.dtsi b/arch/arm64/boot/dts/broadcom/bcm2837.dtsi index f2a31d06845d..8216bbb29fe0 100644 --- a/arch/arm64/boot/dts/broadcom/bcm2837.dtsi +++ b/arch/arm64/boot/dts/broadcom/bcm2837.dtsi @@ -1,4 +1,4 @@ -#include "../../../../arm/boot/dts/bcm283x.dtsi" +#include "bcm283x.dtsi" / { compatible = "brcm,bcm2836"; diff --git a/arch/arm64/boot/dts/broadcom/bcm283x-rpi-smsc9514.dtsi b/arch/arm64/boot/dts/broadcom/bcm283x-rpi-smsc9514.dtsi new file mode 120000 index 000000000000..dca7c057d5a5 --- /dev/null +++ b/arch/arm64/boot/dts/broadcom/bcm283x-rpi-smsc9514.dtsi @@ -0,0 +1 @@ +../../../../arm/boot/dts/bcm283x-rpi-smsc9514.dtsi
\ No newline at end of file diff --git a/arch/arm64/boot/dts/broadcom/bcm283x.dtsi b/arch/arm64/boot/dts/broadcom/bcm283x.dtsi new file mode 120000 index 000000000000..5f54e4cab99b --- /dev/null +++ b/arch/arm64/boot/dts/broadcom/bcm283x.dtsi @@ -0,0 +1 @@ +../../../../arm/boot/dts/bcm283x.dtsi
\ No newline at end of file diff --git a/arch/arm64/boot/dts/broadcom/ns2.dtsi b/arch/arm64/boot/dts/broadcom/ns2.dtsi index f53b0955bfd3..d4a12fad8afd 100644 --- a/arch/arm64/boot/dts/broadcom/ns2.dtsi +++ b/arch/arm64/boot/dts/broadcom/ns2.dtsi @@ -88,13 +88,13 @@ timer { compatible = "arm,armv8-timer"; interrupts = <GIC_PPI 13 (GIC_CPU_MASK_RAW(0xff) | - IRQ_TYPE_EDGE_RISING)>, + IRQ_TYPE_LEVEL_LOW)>, <GIC_PPI 14 (GIC_CPU_MASK_RAW(0xff) | - IRQ_TYPE_EDGE_RISING)>, + IRQ_TYPE_LEVEL_LOW)>, <GIC_PPI 11 (GIC_CPU_MASK_RAW(0xff) | - IRQ_TYPE_EDGE_RISING)>, + IRQ_TYPE_LEVEL_LOW)>, <GIC_PPI 10 (GIC_CPU_MASK_RAW(0xff) | - IRQ_TYPE_EDGE_RISING)>; + IRQ_TYPE_LEVEL_LOW)>; }; pmu { diff --git a/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi b/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi index 2eb9b225f0bc..04dc8a8d1539 100644 --- a/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi +++ b/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi @@ -354,10 +354,10 @@ timer { compatible = "arm,armv8-timer"; - interrupts = <1 13 0xff01>, - <1 14 0xff01>, - <1 11 0xff01>, - <1 10 0xff01>; + interrupts = <1 13 4>, + <1 14 4>, + <1 11 4>, + <1 10 4>; }; pmu { diff --git a/arch/arm64/boot/dts/exynos/exynos7.dtsi b/arch/arm64/boot/dts/exynos/exynos7.dtsi index ca663dfe5189..162831546e18 100644 --- a/arch/arm64/boot/dts/exynos/exynos7.dtsi +++ b/arch/arm64/boot/dts/exynos/exynos7.dtsi @@ -473,10 +473,10 @@ timer { compatible = "arm,armv8-timer"; - interrupts = <1 13 0xff01>, - <1 14 0xff01>, - <1 11 0xff01>, - <1 10 0xff01>; + interrupts = <1 13 0xff08>, + <1 14 0xff08>, + <1 11 0xff08>, + <1 10 0xff08>; }; pmu_system_controller: system-controller@105c0000 { diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi index e669fbd7f9c3..a67e210e2019 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls1043a.dtsi @@ -119,10 +119,10 @@ timer { compatible = "arm,armv8-timer"; - interrupts = <1 13 0x1>, /* Physical Secure PPI */ - <1 14 0x1>, /* Physical Non-Secure PPI */ - <1 11 0x1>, /* Virtual PPI */ - <1 10 0x1>; /* Hypervisor PPI */ + interrupts = <1 13 0xf08>, /* Physical Secure PPI */ + <1 14 0xf08>, /* Physical Non-Secure PPI */ + <1 11 0xf08>, /* Virtual PPI */ + <1 10 0xf08>; /* Hypervisor PPI */ }; pmu { diff --git a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi index 21023a388c29..e3b6034ea5d9 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls2080a.dtsi @@ -191,10 +191,10 @@ timer { compatible = "arm,armv8-timer"; - interrupts = <1 13 0x8>, /* Physical Secure PPI, active-low */ - <1 14 0x8>, /* Physical Non-Secure PPI, active-low */ - <1 11 0x8>, /* Virtual PPI, active-low */ - <1 10 0x8>; /* Hypervisor PPI, active-low */ + interrupts = <1 13 4>, /* Physical Secure PPI, active-low */ + <1 14 4>, /* Physical Non-Secure PPI, active-low */ + <1 11 4>, /* Virtual PPI, active-low */ + <1 10 4>; /* Hypervisor PPI, active-low */ }; pmu { diff --git a/arch/arm64/boot/dts/marvell/armada-ap806.dtsi b/arch/arm64/boot/dts/marvell/armada-ap806.dtsi index eab1a42fb934..c2a6745f168c 100644 --- a/arch/arm64/boot/dts/marvell/armada-ap806.dtsi +++ b/arch/arm64/boot/dts/marvell/armada-ap806.dtsi @@ -122,10 +122,10 @@ timer { compatible = "arm,armv8-timer"; - interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_EDGE_RISING)>, - <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_EDGE_RISING)>, - <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_EDGE_RISING)>, - <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_EDGE_RISING)>; + interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>, + <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>; }; odmi: odmi@300000 { diff --git a/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi b/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi index c223915f0907..d73bdc8c9115 100644 --- a/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi +++ b/arch/arm64/boot/dts/socionext/uniphier-ph1-ld20.dtsi @@ -129,10 +129,10 @@ timer { compatible = "arm,armv8-timer"; - interrupts = <1 13 0xf01>, - <1 14 0xf01>, - <1 11 0xf01>, - <1 10 0xf01>; + interrupts = <1 13 4>, + <1 14 4>, + <1 11 4>, + <1 10 4>; }; soc { diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi index e595f22e7e4b..3e2e51fbd2bc 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi @@ -65,10 +65,10 @@ timer { compatible = "arm,armv8-timer"; interrupt-parent = <&gic>; - interrupts = <1 13 0xf01>, - <1 14 0xf01>, - <1 11 0xf01>, - <1 10 0xf01>; + interrupts = <1 13 0xf08>, + <1 14 0xf08>, + <1 11 0xf08>, + <1 10 0xf08>; }; amba_apu { diff --git a/arch/arm64/crypto/aes-glue.c b/arch/arm64/crypto/aes-glue.c index 5c888049d061..6b2aa0fd6cd0 100644 --- a/arch/arm64/crypto/aes-glue.c +++ b/arch/arm64/crypto/aes-glue.c @@ -216,7 +216,7 @@ static int ctr_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst, err = blkcipher_walk_done(desc, &walk, walk.nbytes % AES_BLOCK_SIZE); } - if (nbytes) { + if (walk.nbytes % AES_BLOCK_SIZE) { u8 *tdst = walk.dst.virt.addr + blocks * AES_BLOCK_SIZE; u8 *tsrc = walk.src.virt.addr + blocks * AES_BLOCK_SIZE; u8 __aligned(8) tail[AES_BLOCK_SIZE]; diff --git a/arch/arm64/include/asm/debug-monitors.h b/arch/arm64/include/asm/debug-monitors.h index 4b6b3f72a215..b71420a12f26 100644 --- a/arch/arm64/include/asm/debug-monitors.h +++ b/arch/arm64/include/asm/debug-monitors.h @@ -61,8 +61,6 @@ #define AARCH64_BREAK_KGDB_DYN_DBG \ (AARCH64_BREAK_MON | (KGDB_DYN_DBG_BRK_IMM << 5)) -#define KGDB_DYN_BRK_INS_BYTE(x) \ - ((AARCH64_BREAK_KGDB_DYN_DBG >> (8 * (x))) & 0xff) #define CACHE_FLUSH_IS_SAFE 1 diff --git a/arch/arm64/kernel/kgdb.c b/arch/arm64/kernel/kgdb.c index 8c57f6496e56..e017a9493b92 100644 --- a/arch/arm64/kernel/kgdb.c +++ b/arch/arm64/kernel/kgdb.c @@ -19,10 +19,13 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ +#include <linux/bug.h> #include <linux/irq.h> #include <linux/kdebug.h> #include <linux/kgdb.h> #include <linux/kprobes.h> +#include <asm/debug-monitors.h> +#include <asm/insn.h> #include <asm/traps.h> struct dbg_reg_def_t dbg_reg_def[DBG_MAX_REG_NUM] = { @@ -338,15 +341,24 @@ void kgdb_arch_exit(void) unregister_die_notifier(&kgdb_notifier); } -/* - * ARM instructions are always in LE. - * Break instruction is encoded in LE format - */ -struct kgdb_arch arch_kgdb_ops = { - .gdb_bpt_instr = { - KGDB_DYN_BRK_INS_BYTE(0), - KGDB_DYN_BRK_INS_BYTE(1), - KGDB_DYN_BRK_INS_BYTE(2), - KGDB_DYN_BRK_INS_BYTE(3), - } -}; +struct kgdb_arch arch_kgdb_ops; + +int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt) +{ + int err; + + BUILD_BUG_ON(AARCH64_INSN_SIZE != BREAK_INSTR_SIZE); + + err = aarch64_insn_read((void *)bpt->bpt_addr, (u32 *)bpt->saved_instr); + if (err) + return err; + + return aarch64_insn_write((void *)bpt->bpt_addr, + (u32)AARCH64_BREAK_KGDB_DYN_DBG); +} + +int kgdb_arch_remove_breakpoint(struct kgdb_bkpt *bpt) +{ + return aarch64_insn_write((void *)bpt->bpt_addr, + *(u32 *)bpt->saved_instr); +} diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index d93d43352504..3ff173e92582 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -201,12 +201,6 @@ int __cpu_up(unsigned int cpu, struct task_struct *idle) return ret; } -static void smp_store_cpu_info(unsigned int cpuid) -{ - store_cpu_topology(cpuid); - numa_store_cpu_info(cpuid); -} - /* * This is the secondary CPU boot entry. We're using this CPUs * idle thread stack, but a set of temporary page tables. @@ -254,7 +248,7 @@ asmlinkage void secondary_start_kernel(void) */ notify_cpu_starting(cpu); - smp_store_cpu_info(cpu); + store_cpu_topology(cpu); /* * OK, now it's safe to let the boot CPU continue. Wait for @@ -689,10 +683,13 @@ void __init smp_prepare_cpus(unsigned int max_cpus) { int err; unsigned int cpu; + unsigned int this_cpu; init_cpu_topology(); - smp_store_cpu_info(smp_processor_id()); + this_cpu = smp_processor_id(); + store_cpu_topology(this_cpu); + numa_store_cpu_info(this_cpu); /* * If UP is mandated by "nosmp" (which implies "maxcpus=0"), don't set @@ -719,6 +716,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus) continue; set_cpu_present(cpu, true); + numa_store_cpu_info(cpu); } } diff --git a/arch/avr32/include/asm/uaccess.h b/arch/avr32/include/asm/uaccess.h index 68cf638faf48..b1ec1fa06463 100644 --- a/arch/avr32/include/asm/uaccess.h +++ b/arch/avr32/include/asm/uaccess.h @@ -74,7 +74,7 @@ extern __kernel_size_t __copy_user(void *to, const void *from, extern __kernel_size_t copy_to_user(void __user *to, const void *from, __kernel_size_t n); -extern __kernel_size_t copy_from_user(void *to, const void __user *from, +extern __kernel_size_t ___copy_from_user(void *to, const void __user *from, __kernel_size_t n); static inline __kernel_size_t __copy_to_user(void __user *to, const void *from, @@ -88,6 +88,15 @@ static inline __kernel_size_t __copy_from_user(void *to, { return __copy_user(to, (const void __force *)from, n); } +static inline __kernel_size_t copy_from_user(void *to, + const void __user *from, + __kernel_size_t n) +{ + size_t res = ___copy_from_user(to, from, n); + if (unlikely(res)) + memset(to + (n - res), 0, res); + return res; +} #define __copy_to_user_inatomic __copy_to_user #define __copy_from_user_inatomic __copy_from_user diff --git a/arch/avr32/kernel/avr32_ksyms.c b/arch/avr32/kernel/avr32_ksyms.c index d93ead02daed..7c6cf14f0985 100644 --- a/arch/avr32/kernel/avr32_ksyms.c +++ b/arch/avr32/kernel/avr32_ksyms.c @@ -36,7 +36,7 @@ EXPORT_SYMBOL(copy_page); /* * Userspace access stuff. */ -EXPORT_SYMBOL(copy_from_user); +EXPORT_SYMBOL(___copy_from_user); EXPORT_SYMBOL(copy_to_user); EXPORT_SYMBOL(__copy_user); EXPORT_SYMBOL(strncpy_from_user); diff --git a/arch/avr32/lib/copy_user.S b/arch/avr32/lib/copy_user.S index ea59c04b07de..075373471da1 100644 --- a/arch/avr32/lib/copy_user.S +++ b/arch/avr32/lib/copy_user.S @@ -23,13 +23,13 @@ */ .text .align 1 - .global copy_from_user - .type copy_from_user, @function -copy_from_user: + .global ___copy_from_user + .type ___copy_from_user, @function +___copy_from_user: branch_if_kernel r8, __copy_user ret_if_privileged r8, r11, r10, r10 rjmp __copy_user - .size copy_from_user, . - copy_from_user + .size ___copy_from_user, . - ___copy_from_user .global copy_to_user .type copy_to_user, @function diff --git a/arch/blackfin/include/asm/uaccess.h b/arch/blackfin/include/asm/uaccess.h index 12f5d6851bbc..0a2a70096d8b 100644 --- a/arch/blackfin/include/asm/uaccess.h +++ b/arch/blackfin/include/asm/uaccess.h @@ -171,11 +171,12 @@ static inline int bad_user_access_length(void) static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n) { - if (access_ok(VERIFY_READ, from, n)) + if (likely(access_ok(VERIFY_READ, from, n))) { memcpy(to, (const void __force *)from, n); - else - return n; - return 0; + return 0; + } + memset(to, 0, n); + return n; } static inline unsigned long __must_check diff --git a/arch/cris/include/asm/uaccess.h b/arch/cris/include/asm/uaccess.h index e3530d0f13ee..56c7d5750abd 100644 --- a/arch/cris/include/asm/uaccess.h +++ b/arch/cris/include/asm/uaccess.h @@ -194,30 +194,6 @@ extern unsigned long __copy_user(void __user *to, const void *from, unsigned lon extern unsigned long __copy_user_zeroing(void *to, const void __user *from, unsigned long n); extern unsigned long __do_clear_user(void __user *to, unsigned long n); -static inline unsigned long -__generic_copy_to_user(void __user *to, const void *from, unsigned long n) -{ - if (access_ok(VERIFY_WRITE, to, n)) - return __copy_user(to, from, n); - return n; -} - -static inline unsigned long -__generic_copy_from_user(void *to, const void __user *from, unsigned long n) -{ - if (access_ok(VERIFY_READ, from, n)) - return __copy_user_zeroing(to, from, n); - return n; -} - -static inline unsigned long -__generic_clear_user(void __user *to, unsigned long n) -{ - if (access_ok(VERIFY_WRITE, to, n)) - return __do_clear_user(to, n); - return n; -} - static inline long __strncpy_from_user(char *dst, const char __user *src, long count) { @@ -282,7 +258,7 @@ __constant_copy_from_user(void *to, const void __user *from, unsigned long n) else if (n == 24) __asm_copy_from_user_24(to, from, ret); else - ret = __generic_copy_from_user(to, from, n); + ret = __copy_user_zeroing(to, from, n); return ret; } @@ -333,7 +309,7 @@ __constant_copy_to_user(void __user *to, const void *from, unsigned long n) else if (n == 24) __asm_copy_to_user_24(to, from, ret); else - ret = __generic_copy_to_user(to, from, n); + ret = __copy_user(to, from, n); return ret; } @@ -366,26 +342,43 @@ __constant_clear_user(void __user *to, unsigned long n) else if (n == 24) __asm_clear_24(to, ret); else - ret = __generic_clear_user(to, n); + ret = __do_clear_user(to, n); return ret; } -#define clear_user(to, n) \ - (__builtin_constant_p(n) ? \ - __constant_clear_user(to, n) : \ - __generic_clear_user(to, n)) +static inline size_t clear_user(void __user *to, size_t n) +{ + if (unlikely(!access_ok(VERIFY_WRITE, to, n))) + return n; + if (__builtin_constant_p(n)) + return __constant_clear_user(to, n); + else + return __do_clear_user(to, n); +} -#define copy_from_user(to, from, n) \ - (__builtin_constant_p(n) ? \ - __constant_copy_from_user(to, from, n) : \ - __generic_copy_from_user(to, from, n)) +static inline size_t copy_from_user(void *to, const void __user *from, size_t n) +{ + if (unlikely(!access_ok(VERIFY_READ, from, n))) { + memset(to, 0, n); + return n; + } + if (__builtin_constant_p(n)) + return __constant_copy_from_user(to, from, n); + else + return __copy_user_zeroing(to, from, n); +} -#define copy_to_user(to, from, n) \ - (__builtin_constant_p(n) ? \ - __constant_copy_to_user(to, from, n) : \ - __generic_copy_to_user(to, from, n)) +static inline size_t copy_to_user(void __user *to, const void *from, size_t n) +{ + if (unlikely(!access_ok(VERIFY_WRITE, to, n))) + return n; + if (__builtin_constant_p(n)) + return __constant_copy_to_user(to, from, n); + else + return __copy_user(to, from, n); +} /* We let the __ versions of copy_from/to_user inline, because they're often * used in fast paths and have only a small space overhead. diff --git a/arch/frv/include/asm/uaccess.h b/arch/frv/include/asm/uaccess.h index 3ac9a59d65d4..87d9e34c5df8 100644 --- a/arch/frv/include/asm/uaccess.h +++ b/arch/frv/include/asm/uaccess.h @@ -263,19 +263,25 @@ do { \ extern long __memset_user(void *dst, unsigned long count); extern long __memcpy_user(void *dst, const void *src, unsigned long count); -#define clear_user(dst,count) __memset_user(____force(dst), (count)) +#define __clear_user(dst,count) __memset_user(____force(dst), (count)) #define __copy_from_user_inatomic(to, from, n) __memcpy_user((to), ____force(from), (n)) #define __copy_to_user_inatomic(to, from, n) __memcpy_user(____force(to), (from), (n)) #else -#define clear_user(dst,count) (memset(____force(dst), 0, (count)), 0) +#define __clear_user(dst,count) (memset(____force(dst), 0, (count)), 0) #define __copy_from_user_inatomic(to, from, n) (memcpy((to), ____force(from), (n)), 0) #define __copy_to_user_inatomic(to, from, n) (memcpy(____force(to), (from), (n)), 0) #endif -#define __clear_user clear_user +static inline unsigned long __must_check +clear_user(void __user *to, unsigned long n) +{ + if (likely(__access_ok(to, n))) + n = __clear_user(to, n); + return n; +} static inline unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n) diff --git a/arch/hexagon/include/asm/uaccess.h b/arch/hexagon/include/asm/uaccess.h index f000a382bc7f..f61cfb28e9f2 100644 --- a/arch/hexagon/include/asm/uaccess.h +++ b/arch/hexagon/include/asm/uaccess.h @@ -103,7 +103,8 @@ static inline long hexagon_strncpy_from_user(char *dst, const char __user *src, { long res = __strnlen_user(src, n); - /* return from strnlen can't be zero -- that would be rubbish. */ + if (unlikely(!res)) + return -EFAULT; if (res > n) { copy_from_user(dst, src, n); diff --git a/arch/ia64/include/asm/uaccess.h b/arch/ia64/include/asm/uaccess.h index 0472927ebb9b..bfe13196f770 100644 --- a/arch/ia64/include/asm/uaccess.h +++ b/arch/ia64/include/asm/uaccess.h @@ -269,19 +269,16 @@ __copy_from_user (void *to, const void __user *from, unsigned long count) __cu_len; \ }) -#define copy_from_user(to, from, n) \ -({ \ - void *__cu_to = (to); \ - const void __user *__cu_from = (from); \ - long __cu_len = (n); \ - \ - __chk_user_ptr(__cu_from); \ - if (__access_ok(__cu_from, __cu_len, get_fs())) { \ - check_object_size(__cu_to, __cu_len, false); \ - __cu_len = __copy_user((__force void __user *) __cu_to, __cu_from, __cu_len); \ - } \ - __cu_len; \ -}) +static inline unsigned long +copy_from_user(void *to, const void __user *from, unsigned long n) +{ + check_object_size(to, n, false); + if (likely(__access_ok(from, n, get_fs()))) + n = __copy_user((__force void __user *) to, from, n); + else + memset(to, 0, n); + return n; +} #define __copy_in_user(to, from, size) __copy_user((to), (from), (size)) diff --git a/arch/m32r/include/asm/uaccess.h b/arch/m32r/include/asm/uaccess.h index cac7014daef3..6f8982157a75 100644 --- a/arch/m32r/include/asm/uaccess.h +++ b/arch/m32r/include/asm/uaccess.h @@ -219,7 +219,7 @@ extern int fixup_exception(struct pt_regs *regs); #define __get_user_nocheck(x, ptr, size) \ ({ \ long __gu_err = 0; \ - unsigned long __gu_val; \ + unsigned long __gu_val = 0; \ might_fault(); \ __get_user_size(__gu_val, (ptr), (size), __gu_err); \ (x) = (__force __typeof__(*(ptr)))__gu_val; \ diff --git a/arch/metag/include/asm/uaccess.h b/arch/metag/include/asm/uaccess.h index 8282cbce7e39..273e61225c27 100644 --- a/arch/metag/include/asm/uaccess.h +++ b/arch/metag/include/asm/uaccess.h @@ -204,8 +204,9 @@ extern unsigned long __must_check __copy_user_zeroing(void *to, static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n) { - if (access_ok(VERIFY_READ, from, n)) + if (likely(access_ok(VERIFY_READ, from, n))) return __copy_user_zeroing(to, from, n); + memset(to, 0, n); return n; } diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h index 331b0d35f89c..826676778094 100644 --- a/arch/microblaze/include/asm/uaccess.h +++ b/arch/microblaze/include/asm/uaccess.h @@ -227,7 +227,7 @@ extern long __user_bad(void); #define __get_user(x, ptr) \ ({ \ - unsigned long __gu_val; \ + unsigned long __gu_val = 0; \ /*unsigned long __gu_ptr = (unsigned long)(ptr);*/ \ long __gu_err; \ switch (sizeof(*(ptr))) { \ @@ -373,10 +373,13 @@ extern long __user_bad(void); static inline long copy_from_user(void *to, const void __user *from, unsigned long n) { + unsigned long res = n; might_fault(); - if (access_ok(VERIFY_READ, from, n)) - return __copy_from_user(to, from, n); - return n; + if (likely(access_ok(VERIFY_READ, from, n))) + res = __copy_from_user(to, from, n); + if (unlikely(res)) + memset(to + (n - res), 0, res); + return res; } #define __copy_to_user(to, from, n) \ diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 26388562e300..212ff92920d2 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -65,6 +65,7 @@ config MIPS select ARCH_CLOCKSOURCE_DATA select HANDLE_DOMAIN_IRQ select HAVE_EXIT_THREAD + select HAVE_REGS_AND_STACK_ACCESS_API menu "Machine selection" diff --git a/arch/mips/Kconfig.debug b/arch/mips/Kconfig.debug index f0e314ceb8ba..7f975b20b20c 100644 --- a/arch/mips/Kconfig.debug +++ b/arch/mips/Kconfig.debug @@ -113,42 +113,6 @@ config SPINLOCK_TEST help Add several files to the debugfs to test spinlock speed. -if CPU_MIPSR6 - -choice - prompt "Compact branch policy" - default MIPS_COMPACT_BRANCHES_OPTIMAL - -config MIPS_COMPACT_BRANCHES_NEVER - bool "Never (force delay slot branches)" - help - Pass the -mcompact-branches=never flag to the compiler in order to - force it to always emit branches with delay slots, and make no use - of the compact branch instructions introduced by MIPSr6. This is - useful if you suspect there may be an issue with compact branches in - either the compiler or the CPU. - -config MIPS_COMPACT_BRANCHES_OPTIMAL - bool "Optimal (use where beneficial)" - help - Pass the -mcompact-branches=optimal flag to the compiler in order for - it to make use of compact branch instructions where it deems them - beneficial, and use branches with delay slots elsewhere. This is the - default compiler behaviour, and should be used unless you have a - reason to choose otherwise. - -config MIPS_COMPACT_BRANCHES_ALWAYS - bool "Always (force compact branches)" - help - Pass the -mcompact-branches=always flag to the compiler in order to - force it to always emit compact branches, making no use of branch - instructions with delay slots. This can result in more compact code - which may be beneficial in some scenarios. - -endchoice - -endif # CPU_MIPSR6 - config SCACHE_DEBUGFS bool "L2 cache debugfs entries" depends on DEBUG_FS diff --git a/arch/mips/Makefile b/arch/mips/Makefile index efd7a9dc93c4..598ab2930fce 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -203,10 +203,6 @@ endif toolchain-virt := $(call cc-option-yn,$(mips-cflags) -mvirt) cflags-$(toolchain-virt) += -DTOOLCHAIN_SUPPORTS_VIRT -cflags-$(CONFIG_MIPS_COMPACT_BRANCHES_NEVER) += -mcompact-branches=never -cflags-$(CONFIG_MIPS_COMPACT_BRANCHES_OPTIMAL) += -mcompact-branches=optimal -cflags-$(CONFIG_MIPS_COMPACT_BRANCHES_ALWAYS) += -mcompact-branches=always - # # Firmware support # diff --git a/arch/mips/ath79/clock.c b/arch/mips/ath79/clock.c index 2e7378467c5c..cc3a1e33a600 100644 --- a/arch/mips/ath79/clock.c +++ b/arch/mips/ath79/clock.c @@ -96,7 +96,7 @@ static struct clk * __init ath79_reg_ffclk(const char *name, struct clk *clk; clk = clk_register_fixed_factor(NULL, name, parent_name, 0, mult, div); - if (!clk) + if (IS_ERR(clk)) panic("failed to allocate %s clock structure", name); return clk; diff --git a/arch/mips/cavium-octeon/octeon-platform.c b/arch/mips/cavium-octeon/octeon-platform.c index b31fbc9d6eae..37a932d9148c 100644 --- a/arch/mips/cavium-octeon/octeon-platform.c +++ b/arch/mips/cavium-octeon/octeon-platform.c @@ -1059,7 +1059,7 @@ static int __init octeon_publish_devices(void) { return of_platform_bus_probe(NULL, octeon_ids, NULL); } -device_initcall(octeon_publish_devices); +arch_initcall(octeon_publish_devices); MODULE_AUTHOR("David Daney <ddaney@caviumnetworks.com>"); MODULE_LICENSE("GPL"); diff --git a/arch/mips/include/asm/asmmacro.h b/arch/mips/include/asm/asmmacro.h index 56584a659183..83054f79f72a 100644 --- a/arch/mips/include/asm/asmmacro.h +++ b/arch/mips/include/asm/asmmacro.h @@ -157,6 +157,7 @@ ldc1 $f28, THREAD_FPR28(\thread) ldc1 $f30, THREAD_FPR30(\thread) ctc1 \tmp, fcr31 + .set pop .endm .macro fpu_restore_16odd thread diff --git a/arch/mips/include/asm/mach-cavium-octeon/mangle-port.h b/arch/mips/include/asm/mach-cavium-octeon/mangle-port.h index 0cf5ac1f7245..8ff2cbdf2c3e 100644 --- a/arch/mips/include/asm/mach-cavium-octeon/mangle-port.h +++ b/arch/mips/include/asm/mach-cavium-octeon/mangle-port.h @@ -15,8 +15,8 @@ static inline bool __should_swizzle_bits(volatile void *a) { extern const bool octeon_should_swizzle_table[]; + u64 did = ((u64)(uintptr_t)a >> 40) & 0xff; - unsigned long did = ((unsigned long)a >> 40) & 0xff; return octeon_should_swizzle_table[did]; } @@ -29,7 +29,7 @@ static inline bool __should_swizzle_bits(volatile void *a) #define __should_swizzle_bits(a) false -static inline bool __should_swizzle_addr(unsigned long p) +static inline bool __should_swizzle_addr(u64 p) { /* boot bus? */ return ((p >> 40) & 0xff) == 0; diff --git a/arch/mips/include/asm/mach-paravirt/kernel-entry-init.h b/arch/mips/include/asm/mach-paravirt/kernel-entry-init.h index 2f82bfa3a773..c9f5769dfc8f 100644 --- a/arch/mips/include/asm/mach-paravirt/kernel-entry-init.h +++ b/arch/mips/include/asm/mach-paravirt/kernel-entry-init.h @@ -11,11 +11,13 @@ #define CP0_EBASE $15, 1 .macro kernel_entry_setup +#ifdef CONFIG_SMP mfc0 t0, CP0_EBASE andi t0, t0, 0x3ff # CPUNum beqz t0, 1f # CPUs other than zero goto smp_bootstrap j smp_bootstrap +#endif /* CONFIG_SMP */ 1: .endm diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h index 11b965f98d95..21a2aaba20d5 100644 --- a/arch/mips/include/asm/uaccess.h +++ b/arch/mips/include/asm/uaccess.h @@ -14,6 +14,7 @@ #include <linux/kernel.h> #include <linux/errno.h> #include <linux/thread_info.h> +#include <linux/string.h> #include <asm/asm-eva.h> /* @@ -1170,6 +1171,8 @@ extern size_t __copy_in_user_eva(void *__to, const void *__from, size_t __n); __cu_len = __invoke_copy_from_user(__cu_to, \ __cu_from, \ __cu_len); \ + } else { \ + memset(__cu_to, 0, __cu_len); \ } \ } \ __cu_len; \ diff --git a/arch/mips/kernel/mips-r2-to-r6-emul.c b/arch/mips/kernel/mips-r2-to-r6-emul.c index c3372cac6db2..0a7e10b5f9e3 100644 --- a/arch/mips/kernel/mips-r2-to-r6-emul.c +++ b/arch/mips/kernel/mips-r2-to-r6-emul.c @@ -1164,7 +1164,9 @@ fpu_emul: regs->regs[31] = r31; regs->cp0_epc = epc; if (!used_math()) { /* First time FPU user. */ + preempt_disable(); err = init_fpu(); + preempt_enable(); set_used_math(); } lose_fpu(1); /* Save FPU state for the emulator. */ diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index 7429ad09fbe3..d2d061520a23 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -605,14 +605,14 @@ int mips_set_process_fp_mode(struct task_struct *task, unsigned int value) return -EOPNOTSUPP; /* Avoid inadvertently triggering emulation */ - if ((value & PR_FP_MODE_FR) && cpu_has_fpu && - !(current_cpu_data.fpu_id & MIPS_FPIR_F64)) + if ((value & PR_FP_MODE_FR) && raw_cpu_has_fpu && + !(raw_current_cpu_data.fpu_id & MIPS_FPIR_F64)) return -EOPNOTSUPP; - if ((value & PR_FP_MODE_FRE) && cpu_has_fpu && !cpu_has_fre) + if ((value & PR_FP_MODE_FRE) && raw_cpu_has_fpu && !cpu_has_fre) return -EOPNOTSUPP; /* FR = 0 not supported in MIPS R6 */ - if (!(value & PR_FP_MODE_FR) && cpu_has_fpu && cpu_has_mips_r6) + if (!(value & PR_FP_MODE_FR) && raw_cpu_has_fpu && cpu_has_mips_r6) return -EOPNOTSUPP; /* Proceed with the mode switch */ diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index 36cf8d65c47d..3be0e6ba2797 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -87,6 +87,13 @@ void __init add_memory_region(phys_addr_t start, phys_addr_t size, long type) int x = boot_mem_map.nr_map; int i; + /* + * If the region reaches the top of the physical address space, adjust + * the size slightly so that (start + size) doesn't overflow + */ + if (start + size - 1 == (phys_addr_t)ULLONG_MAX) + --size; + /* Sanity check */ if (start + size < start) { pr_warn("Trying to add an invalid memory region, skipped\n"); diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c index f95f094f36e4..b0baf48951fa 100644 --- a/arch/mips/kernel/smp.c +++ b/arch/mips/kernel/smp.c @@ -322,6 +322,9 @@ asmlinkage void start_secondary(void) cpumask_set_cpu(cpu, &cpu_coherent_mask); notify_cpu_starting(cpu); + cpumask_set_cpu(cpu, &cpu_callin_map); + synchronise_count_slave(cpu); + set_cpu_online(cpu, true); set_cpu_sibling_map(cpu); @@ -329,10 +332,6 @@ asmlinkage void start_secondary(void) calculate_cpu_foreign_map(); - cpumask_set_cpu(cpu, &cpu_callin_map); - - synchronise_count_slave(cpu); - /* * irq will be enabled in ->smp_finish(), enabling it too early * is dangerous. diff --git a/arch/mips/kernel/uprobes.c b/arch/mips/kernel/uprobes.c index 8452d933a645..1149b30c9aeb 100644 --- a/arch/mips/kernel/uprobes.c +++ b/arch/mips/kernel/uprobes.c @@ -222,7 +222,7 @@ int arch_uprobe_exception_notify(struct notifier_block *self, return NOTIFY_DONE; switch (val) { - case DIE_BREAK: + case DIE_UPROBE: if (uprobe_pre_sstep_notifier(regs)) return NOTIFY_STOP; break; diff --git a/arch/mips/kernel/vdso.c b/arch/mips/kernel/vdso.c index 9abe447a4b48..f9dbfb14af33 100644 --- a/arch/mips/kernel/vdso.c +++ b/arch/mips/kernel/vdso.c @@ -39,16 +39,16 @@ static struct vm_special_mapping vdso_vvar_mapping = { static void __init init_vdso_image(struct mips_vdso_image *image) { unsigned long num_pages, i; + unsigned long data_pfn; BUG_ON(!PAGE_ALIGNED(image->data)); BUG_ON(!PAGE_ALIGNED(image->size)); num_pages = image->size / PAGE_SIZE; - for (i = 0; i < num_pages; i++) { - image->mapping.pages[i] = - virt_to_page(image->data + (i * PAGE_SIZE)); - } + data_pfn = __phys_to_pfn(__pa_symbol(image->data)); + for (i = 0; i < num_pages; i++) + image->mapping.pages[i] = pfn_to_page(data_pfn + i); } static int __init init_vdso(void) diff --git a/arch/mips/math-emu/dsemul.c b/arch/mips/math-emu/dsemul.c index 72a4642eee2c..4a094f7acb3d 100644 --- a/arch/mips/math-emu/dsemul.c +++ b/arch/mips/math-emu/dsemul.c @@ -298,5 +298,6 @@ bool do_dsemulret(struct pt_regs *xcp) /* Set EPC to return to post-branch instruction */ xcp->cp0_epc = current->thread.bd_emu_cont_pc; pr_debug("dsemulret to 0x%08lx\n", xcp->cp0_epc); + MIPS_FPU_EMU_INC_STATS(ds_emul); return true; } diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index cd72805b64a7..fa7d8d3790bf 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -800,7 +800,7 @@ static void r4k_flush_icache_range(unsigned long start, unsigned long end) * If address-based cache ops don't require an SMP call, then * use them exclusively for small flushes. */ - size = start - end; + size = end - start; cache_size = icache_size; if (!cpu_has_ic_fills_f_dc) { size *= 2; diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index a5509e7dcad2..2c3749d98f04 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -261,7 +261,6 @@ unsigned __weak platform_maar_init(unsigned num_pairs) { struct maar_config cfg[BOOT_MEM_MAP_MAX]; unsigned i, num_configured, num_cfg = 0; - phys_addr_t skip; for (i = 0; i < boot_mem_map.nr_map; i++) { switch (boot_mem_map.map[i].type) { @@ -272,14 +271,14 @@ unsigned __weak platform_maar_init(unsigned num_pairs) continue; } - skip = 0x10000 - (boot_mem_map.map[i].addr & 0xffff); - + /* Round lower up */ cfg[num_cfg].lower = boot_mem_map.map[i].addr; - cfg[num_cfg].lower += skip; + cfg[num_cfg].lower = (cfg[num_cfg].lower + 0xffff) & ~0xffff; - cfg[num_cfg].upper = cfg[num_cfg].lower; - cfg[num_cfg].upper += boot_mem_map.map[i].size - 1; - cfg[num_cfg].upper -= skip; + /* Round upper down */ + cfg[num_cfg].upper = boot_mem_map.map[i].addr + + boot_mem_map.map[i].size; + cfg[num_cfg].upper = (cfg[num_cfg].upper & ~0xffff) - 1; cfg[num_cfg].attrs = MIPS_MAAR_S; num_cfg++; diff --git a/arch/mn10300/include/asm/uaccess.h b/arch/mn10300/include/asm/uaccess.h index 20f7bf6de384..d012e877a95a 100644 --- a/arch/mn10300/include/asm/uaccess.h +++ b/arch/mn10300/include/asm/uaccess.h @@ -166,6 +166,7 @@ struct __large_struct { unsigned long buf[100]; }; "2:\n" \ " .section .fixup,\"ax\"\n" \ "3:\n\t" \ + " mov 0,%1\n" \ " mov %3,%0\n" \ " jmp 2b\n" \ " .previous\n" \ diff --git a/arch/mn10300/lib/usercopy.c b/arch/mn10300/lib/usercopy.c index 7826e6c364e7..ce8899e5e171 100644 --- a/arch/mn10300/lib/usercopy.c +++ b/arch/mn10300/lib/usercopy.c @@ -9,7 +9,7 @@ * as published by the Free Software Foundation; either version * 2 of the Licence, or (at your option) any later version. */ -#include <asm/uaccess.h> +#include <linux/uaccess.h> unsigned long __generic_copy_to_user(void *to, const void *from, unsigned long n) @@ -24,6 +24,8 @@ __generic_copy_from_user(void *to, const void *from, unsigned long n) { if (access_ok(VERIFY_READ, from, n)) __copy_user_zeroing(to, from, n); + else + memset(to, 0, n); return n; } diff --git a/arch/nios2/include/asm/uaccess.h b/arch/nios2/include/asm/uaccess.h index caa51ff85a3c..0ab82324c817 100644 --- a/arch/nios2/include/asm/uaccess.h +++ b/arch/nios2/include/asm/uaccess.h @@ -102,9 +102,12 @@ extern long __copy_to_user(void __user *to, const void *from, unsigned long n); static inline long copy_from_user(void *to, const void __user *from, unsigned long n) { - if (!access_ok(VERIFY_READ, from, n)) - return n; - return __copy_from_user(to, from, n); + unsigned long res = n; + if (access_ok(VERIFY_READ, from, n)) + res = __copy_from_user(to, from, n); + if (unlikely(res)) + memset(to + (n - res), 0, res); + return res; } static inline long copy_to_user(void __user *to, const void *from, @@ -139,7 +142,7 @@ extern long strnlen_user(const char __user *s, long n); #define __get_user_unknown(val, size, ptr, err) do { \ err = 0; \ - if (copy_from_user(&(val), ptr, size)) { \ + if (__copy_from_user(&(val), ptr, size)) { \ err = -EFAULT; \ } \ } while (0) @@ -166,7 +169,7 @@ do { \ ({ \ long __gu_err = -EFAULT; \ const __typeof__(*(ptr)) __user *__gu_ptr = (ptr); \ - unsigned long __gu_val; \ + unsigned long __gu_val = 0; \ __get_user_common(__gu_val, sizeof(*(ptr)), __gu_ptr, __gu_err);\ (x) = (__force __typeof__(x))__gu_val; \ __gu_err; \ diff --git a/arch/openrisc/include/asm/uaccess.h b/arch/openrisc/include/asm/uaccess.h index a6bd07ca3d6c..5cc6b4f1b795 100644 --- a/arch/openrisc/include/asm/uaccess.h +++ b/arch/openrisc/include/asm/uaccess.h @@ -273,28 +273,20 @@ __copy_tofrom_user(void *to, const void *from, unsigned long size); static inline unsigned long copy_from_user(void *to, const void *from, unsigned long n) { - unsigned long over; - - if (access_ok(VERIFY_READ, from, n)) - return __copy_tofrom_user(to, from, n); - if ((unsigned long)from < TASK_SIZE) { - over = (unsigned long)from + n - TASK_SIZE; - return __copy_tofrom_user(to, from, n - over) + over; - } - return n; + unsigned long res = n; + + if (likely(access_ok(VERIFY_READ, from, n))) + res = __copy_tofrom_user(to, from, n); + if (unlikely(res)) + memset(to + (n - res), 0, res); + return res; } static inline unsigned long copy_to_user(void *to, const void *from, unsigned long n) { - unsigned long over; - - if (access_ok(VERIFY_WRITE, to, n)) - return __copy_tofrom_user(to, from, n); - if ((unsigned long)to < TASK_SIZE) { - over = (unsigned long)to + n - TASK_SIZE; - return __copy_tofrom_user(to, from, n - over) + over; - } + if (likely(access_ok(VERIFY_WRITE, to, n))) + n = __copy_tofrom_user(to, from, n); return n; } @@ -303,13 +295,8 @@ extern unsigned long __clear_user(void *addr, unsigned long size); static inline __must_check unsigned long clear_user(void *addr, unsigned long size) { - - if (access_ok(VERIFY_WRITE, addr, size)) - return __clear_user(addr, size); - if ((unsigned long)addr < TASK_SIZE) { - unsigned long over = (unsigned long)addr + size - TASK_SIZE; - return __clear_user(addr, size - over) + over; - } + if (likely(access_ok(VERIFY_WRITE, addr, size))) + size = __clear_user(addr, size); return size; } diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h index e9150487e20d..482847865dac 100644 --- a/arch/parisc/include/asm/uaccess.h +++ b/arch/parisc/include/asm/uaccess.h @@ -10,6 +10,7 @@ #include <asm-generic/uaccess-unaligned.h> #include <linux/bug.h> +#include <linux/string.h> #define VERIFY_READ 0 #define VERIFY_WRITE 1 @@ -221,7 +222,7 @@ static inline unsigned long __must_check copy_from_user(void *to, unsigned long n) { int sz = __compiletime_object_size(to); - int ret = -EFAULT; + unsigned long ret = n; if (likely(sz == -1 || sz >= n)) ret = __copy_from_user(to, from, n); @@ -230,6 +231,8 @@ static inline unsigned long __must_check copy_from_user(void *to, else __bad_copy_user(); + if (unlikely(ret)) + memset(to + (n - ret), 0, ret); return ret; } diff --git a/arch/powerpc/include/asm/cpu_has_feature.h b/arch/powerpc/include/asm/cpu_has_feature.h index 2ef55f8968a2..b312b152461b 100644 --- a/arch/powerpc/include/asm/cpu_has_feature.h +++ b/arch/powerpc/include/asm/cpu_has_feature.h @@ -15,7 +15,7 @@ static inline bool early_cpu_has_feature(unsigned long feature) #ifdef CONFIG_JUMP_LABEL_FEATURE_CHECKS #include <linux/jump_label.h> -#define NUM_CPU_FTR_KEYS 64 +#define NUM_CPU_FTR_KEYS BITS_PER_LONG extern struct static_key_true cpu_feature_keys[NUM_CPU_FTR_KEYS]; diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h index f1e382498bbb..c266227fdd5b 100644 --- a/arch/powerpc/include/asm/uaccess.h +++ b/arch/powerpc/include/asm/uaccess.h @@ -308,36 +308,21 @@ extern unsigned long __copy_tofrom_user(void __user *to, static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n) { - unsigned long over; - - if (access_ok(VERIFY_READ, from, n)) { + if (likely(access_ok(VERIFY_READ, from, n))) { check_object_size(to, n, false); return __copy_tofrom_user((__force void __user *)to, from, n); } - if ((unsigned long)from < TASK_SIZE) { - over = (unsigned long)from + n - TASK_SIZE; - check_object_size(to, n - over, false); - return __copy_tofrom_user((__force void __user *)to, from, - n - over) + over; - } + memset(to, 0, n); return n; } static inline unsigned long copy_to_user(void __user *to, const void *from, unsigned long n) { - unsigned long over; - if (access_ok(VERIFY_WRITE, to, n)) { check_object_size(from, n, true); return __copy_tofrom_user(to, (__force void __user *)from, n); } - if ((unsigned long)to < TASK_SIZE) { - over = (unsigned long)to + n - TASK_SIZE; - check_object_size(from, n - over, true); - return __copy_tofrom_user(to, (__force void __user *)from, - n - over) + over; - } return n; } @@ -434,10 +419,6 @@ static inline unsigned long clear_user(void __user *addr, unsigned long size) might_fault(); if (likely(access_ok(VERIFY_WRITE, addr, size))) return __clear_user(addr, size); - if ((unsigned long)addr < TASK_SIZE) { - unsigned long over = (unsigned long)addr + size - TASK_SIZE; - return __clear_user(addr, size - over) + over; - } return size; } diff --git a/arch/powerpc/kernel/idle_book3s.S b/arch/powerpc/kernel/idle_book3s.S index 2265c6398a17..bd739fed26e3 100644 --- a/arch/powerpc/kernel/idle_book3s.S +++ b/arch/powerpc/kernel/idle_book3s.S @@ -411,7 +411,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300) * * r13 - PACA * cr3 - gt if waking up with partial/complete hypervisor state loss - * cr4 - eq if waking up from complete hypervisor state loss. + * cr4 - gt or eq if waking up from complete hypervisor state loss. */ _GLOBAL(pnv_wakeup_tb_loss) ld r1,PACAR1(r13) @@ -453,7 +453,7 @@ lwarx_loop2: * At this stage * cr2 - eq if first thread to wakeup in core * cr3- gt if waking up with partial/complete hypervisor state loss - * cr4 - eq if waking up from complete hypervisor state loss. + * cr4 - gt or eq if waking up from complete hypervisor state loss. */ ori r15,r15,PNV_CORE_IDLE_LOCK_BIT @@ -481,7 +481,7 @@ first_thread_in_subcore: * If waking up from sleep, subcore state is not lost. Hence * skip subcore state restore */ - bne cr4,subcore_state_restored + blt cr4,subcore_state_restored /* Restore per-subcore state */ ld r4,_SDR1(r1) @@ -526,7 +526,7 @@ timebase_resync: * If waking up from sleep, per core state is not lost, skip to * clear_lock. */ - bne cr4,clear_lock + blt cr4,clear_lock /* * First thread in the core to wake up and its waking up with @@ -557,7 +557,7 @@ common_exit: * If waking up from sleep, hypervisor state is not lost. Hence * skip hypervisor state restore. */ - bne cr4,hypervisor_state_restored + blt cr4,hypervisor_state_restored /* Waking up from winkle */ diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index c16d790808f1..38a5c657ffd3 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -124,6 +124,13 @@ static inline bool pnv_pci_is_m64(struct pnv_phb *phb, struct resource *r) r->start < (phb->ioda.m64_base + phb->ioda.m64_size)); } +static inline bool pnv_pci_is_m64_flags(unsigned long resource_flags) +{ + unsigned long flags = (IORESOURCE_MEM_64 | IORESOURCE_PREFETCH); + + return (resource_flags & flags) == flags; +} + static struct pnv_ioda_pe *pnv_ioda_init_pe(struct pnv_phb *phb, int pe_no) { phb->ioda.pe_array[pe_no].phb = phb; @@ -2217,7 +2224,7 @@ static long pnv_pci_ioda2_set_window(struct iommu_table_group *table_group, pnv_pci_link_table_and_group(phb->hose->node, num, tbl, &pe->table_group); - pnv_pci_phb3_tce_invalidate_pe(pe); + pnv_pci_ioda2_tce_invalidate_pe(pe); return 0; } @@ -2355,7 +2362,7 @@ static long pnv_pci_ioda2_unset_window(struct iommu_table_group *table_group, if (ret) pe_warn(pe, "Unmapping failed, ret = %ld\n", ret); else - pnv_pci_phb3_tce_invalidate_pe(pe); + pnv_pci_ioda2_tce_invalidate_pe(pe); pnv_pci_unlink_table_and_group(table_group->tables[num], table_group); @@ -2871,7 +2878,7 @@ static void pnv_pci_ioda_fixup_iov_resources(struct pci_dev *pdev) res = &pdev->resource[i + PCI_IOV_RESOURCES]; if (!res->flags || res->parent) continue; - if (!pnv_pci_is_m64(phb, res)) { + if (!pnv_pci_is_m64_flags(res->flags)) { dev_warn(&pdev->dev, "Don't support SR-IOV with" " non M64 VF BAR%d: %pR. \n", i, res); @@ -3096,7 +3103,7 @@ static resource_size_t pnv_pci_window_alignment(struct pci_bus *bus, * alignment for any 64-bit resource, PCIe doesn't care and * bridges only do 64-bit prefetchable anyway. */ - if (phb->ioda.m64_segsize && (type & IORESOURCE_MEM_64)) + if (phb->ioda.m64_segsize && pnv_pci_is_m64_flags(type)) return phb->ioda.m64_segsize; if (type & IORESOURCE_MEM) return phb->ioda.m32_segsize; @@ -3426,7 +3433,17 @@ static void pnv_ioda_release_pe(struct pnv_ioda_pe *pe) } } - pnv_ioda_free_pe(pe); + /* + * The PE for root bus can be removed because of hotplug in EEH + * recovery for fenced PHB error. We need to mark the PE dead so + * that it can be populated again in PCI hot add path. The PE + * shouldn't be destroyed as it's the global reserved resource. + */ + if (phb->ioda.root_pe_populated && + phb->ioda.root_pe_idx == pe->pe_number) + phb->ioda.root_pe_populated = false; + else + pnv_ioda_free_pe(pe); } static void pnv_pci_release_device(struct pci_dev *pdev) @@ -3442,7 +3459,17 @@ static void pnv_pci_release_device(struct pci_dev *pdev) if (!pdn || pdn->pe_number == IODA_INVALID_PE) return; + /* + * PCI hotplug can happen as part of EEH error recovery. The @pdn + * isn't removed and added afterwards in this scenario. We should + * set the PE number in @pdn to an invalid one. Otherwise, the PE's + * device count is decreased on removing devices while failing to + * be increased on adding devices. It leads to unbalanced PE's device + * count and eventually make normal PCI hotplug path broken. + */ pe = &phb->ioda.pe_array[pdn->pe_number]; + pdn->pe_number = IODA_INVALID_PE; + WARN_ON(--pe->device_count < 0); if (pe->device_count == 0) pnv_ioda_release_pe(pe); diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h index 95aefdba4be2..52d7c8709279 100644 --- a/arch/s390/include/asm/uaccess.h +++ b/arch/s390/include/asm/uaccess.h @@ -266,28 +266,28 @@ int __put_user_bad(void) __attribute__((noreturn)); __chk_user_ptr(ptr); \ switch (sizeof(*(ptr))) { \ case 1: { \ - unsigned char __x; \ + unsigned char __x = 0; \ __gu_err = __get_user_fn(&__x, ptr, \ sizeof(*(ptr))); \ (x) = *(__force __typeof__(*(ptr)) *) &__x; \ break; \ }; \ case 2: { \ - unsigned short __x; \ + unsigned short __x = 0; \ __gu_err = __get_user_fn(&__x, ptr, \ sizeof(*(ptr))); \ (x) = *(__force __typeof__(*(ptr)) *) &__x; \ break; \ }; \ case 4: { \ - unsigned int __x; \ + unsigned int __x = 0; \ __gu_err = __get_user_fn(&__x, ptr, \ sizeof(*(ptr))); \ (x) = *(__force __typeof__(*(ptr)) *) &__x; \ break; \ }; \ case 8: { \ - unsigned long long __x; \ + unsigned long long __x = 0; \ __gu_err = __get_user_fn(&__x, ptr, \ sizeof(*(ptr))); \ (x) = *(__force __typeof__(*(ptr)) *) &__x; \ diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index f142215ed30d..607ec91966c7 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -2231,9 +2231,10 @@ int kvm_arch_vcpu_ioctl_set_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) return -EINVAL; current->thread.fpu.fpc = fpu->fpc; if (MACHINE_HAS_VX) - convert_fp_to_vx(current->thread.fpu.vxrs, (freg_t *)fpu->fprs); + convert_fp_to_vx((__vector128 *) vcpu->run->s.regs.vrs, + (freg_t *) fpu->fprs); else - memcpy(current->thread.fpu.fprs, &fpu->fprs, sizeof(fpu->fprs)); + memcpy(vcpu->run->s.regs.fprs, &fpu->fprs, sizeof(fpu->fprs)); return 0; } @@ -2242,9 +2243,10 @@ int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu *fpu) /* make sure we have the latest values */ save_fpu_regs(); if (MACHINE_HAS_VX) - convert_vx_to_fp((freg_t *)fpu->fprs, current->thread.fpu.vxrs); + convert_vx_to_fp((freg_t *) fpu->fprs, + (__vector128 *) vcpu->run->s.regs.vrs); else - memcpy(fpu->fprs, current->thread.fpu.fprs, sizeof(fpu->fprs)); + memcpy(fpu->fprs, vcpu->run->s.regs.fprs, sizeof(fpu->fprs)); fpu->fpc = current->thread.fpu.fpc; return 0; } diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c index c106488b4137..d8673e243f13 100644 --- a/arch/s390/kvm/vsie.c +++ b/arch/s390/kvm/vsie.c @@ -584,7 +584,7 @@ static int pin_blocks(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page) /* Validity 0x0044 will be checked by SIE */ if (rc) goto unpin; - scb_s->gvrd = hpa; + scb_s->riccbd = hpa; } return 0; unpin: diff --git a/arch/score/include/asm/uaccess.h b/arch/score/include/asm/uaccess.h index 20a3591225cc..01aec8ccde83 100644 --- a/arch/score/include/asm/uaccess.h +++ b/arch/score/include/asm/uaccess.h @@ -163,7 +163,7 @@ do { \ __get_user_asm(val, "lw", ptr); \ break; \ case 8: \ - if ((copy_from_user((void *)&val, ptr, 8)) == 0) \ + if (__copy_from_user((void *)&val, ptr, 8) == 0) \ __gu_err = 0; \ else \ __gu_err = -EFAULT; \ @@ -188,6 +188,8 @@ do { \ \ if (likely(access_ok(VERIFY_READ, __gu_ptr, size))) \ __get_user_common((x), size, __gu_ptr); \ + else \ + (x) = 0; \ \ __gu_err; \ }) @@ -201,6 +203,7 @@ do { \ "2:\n" \ ".section .fixup,\"ax\"\n" \ "3:li %0, %4\n" \ + "li %1, 0\n" \ "j 2b\n" \ ".previous\n" \ ".section __ex_table,\"a\"\n" \ @@ -298,35 +301,34 @@ extern int __copy_tofrom_user(void *to, const void *from, unsigned long len); static inline unsigned long copy_from_user(void *to, const void *from, unsigned long len) { - unsigned long over; + unsigned long res = len; - if (access_ok(VERIFY_READ, from, len)) - return __copy_tofrom_user(to, from, len); + if (likely(access_ok(VERIFY_READ, from, len))) + res = __copy_tofrom_user(to, from, len); - if ((unsigned long)from < TASK_SIZE) { - over = (unsigned long)from + len - TASK_SIZE; - return __copy_tofrom_user(to, from, len - over) + over; - } - return len; + if (unlikely(res)) + memset(to + (len - res), 0, res); + + return res; } static inline unsigned long copy_to_user(void *to, const void *from, unsigned long len) { - unsigned long over; - - if (access_ok(VERIFY_WRITE, to, len)) - return __copy_tofrom_user(to, from, len); + if (likely(access_ok(VERIFY_WRITE, to, len))) + len = __copy_tofrom_user(to, from, len); - if ((unsigned long)to < TASK_SIZE) { - over = (unsigned long)to + len - TASK_SIZE; - return __copy_tofrom_user(to, from, len - over) + over; - } return len; } -#define __copy_from_user(to, from, len) \ - __copy_tofrom_user((to), (from), (len)) +static inline unsigned long +__copy_from_user(void *to, const void *from, unsigned long len) +{ + unsigned long left = __copy_tofrom_user(to, from, len); + if (unlikely(left)) + memset(to + (len - left), 0, left); + return left; +} #define __copy_to_user(to, from, len) \ __copy_tofrom_user((to), (from), (len)) @@ -340,17 +342,17 @@ __copy_to_user_inatomic(void *to, const void *from, unsigned long len) static inline unsigned long __copy_from_user_inatomic(void *to, const void *from, unsigned long len) { - return __copy_from_user(to, from, len); + return __copy_tofrom_user(to, from, len); } -#define __copy_in_user(to, from, len) __copy_from_user(to, from, len) +#define __copy_in_user(to, from, len) __copy_tofrom_user(to, from, len) static inline unsigned long copy_in_user(void *to, const void *from, unsigned long len) { if (access_ok(VERIFY_READ, from, len) && access_ok(VERFITY_WRITE, to, len)) - return copy_from_user(to, from, len); + return __copy_tofrom_user(to, from, len); } /* diff --git a/arch/sh/include/asm/atomic-llsc.h b/arch/sh/include/asm/atomic-llsc.h index caea2c45f6c2..1d159ce50f5a 100644 --- a/arch/sh/include/asm/atomic-llsc.h +++ b/arch/sh/include/asm/atomic-llsc.h @@ -60,7 +60,7 @@ static inline int atomic_fetch_##op(int i, atomic_t *v) \ " movco.l %0, @%3 \n" \ " bf 1b \n" \ " synco \n" \ - : "=&z" (temp), "=&z" (res) \ + : "=&z" (temp), "=&r" (res) \ : "r" (i), "r" (&v->counter) \ : "t"); \ \ diff --git a/arch/sh/include/asm/uaccess.h b/arch/sh/include/asm/uaccess.h index a49635c51266..92ade79ac427 100644 --- a/arch/sh/include/asm/uaccess.h +++ b/arch/sh/include/asm/uaccess.h @@ -151,7 +151,10 @@ copy_from_user(void *to, const void __user *from, unsigned long n) __kernel_size_t __copy_size = (__kernel_size_t) n; if (__copy_size && __access_ok(__copy_from, __copy_size)) - return __copy_user(to, from, __copy_size); + __copy_size = __copy_user(to, from, __copy_size); + + if (unlikely(__copy_size)) + memset(to + (n - __copy_size), 0, __copy_size); return __copy_size; } diff --git a/arch/sh/include/asm/uaccess_64.h b/arch/sh/include/asm/uaccess_64.h index c01376c76b86..ca5073dd4596 100644 --- a/arch/sh/include/asm/uaccess_64.h +++ b/arch/sh/include/asm/uaccess_64.h @@ -24,6 +24,7 @@ #define __get_user_size(x,ptr,size,retval) \ do { \ retval = 0; \ + x = 0; \ switch (size) { \ case 1: \ retval = __get_user_asm_b((void *)&x, \ diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h index e722c510bb1b..ea55f86d7ccd 100644 --- a/arch/sparc/include/asm/uaccess_32.h +++ b/arch/sparc/include/asm/uaccess_32.h @@ -266,8 +266,10 @@ static inline unsigned long copy_from_user(void *to, const void __user *from, un if (n && __access_ok((unsigned long) from, n)) { check_object_size(to, n, false); return __copy_user((__force void __user *) to, from, n); - } else + } else { + memset(to, 0, n); return n; + } } static inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n) diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c index ff574dad95cc..94dd4a31f5b3 100644 --- a/arch/x86/boot/compressed/eboot.c +++ b/arch/x86/boot/compressed/eboot.c @@ -1004,79 +1004,87 @@ static efi_status_t alloc_e820ext(u32 nr_desc, struct setup_data **e820ext, return status; } -static efi_status_t exit_boot(struct boot_params *boot_params, - void *handle, bool is64) -{ - struct efi_info *efi = &boot_params->efi_info; - unsigned long map_sz, key, desc_size; - efi_memory_desc_t *mem_map; +struct exit_boot_struct { + struct boot_params *boot_params; + struct efi_info *efi; struct setup_data *e820ext; - const char *signature; __u32 e820ext_size; - __u32 nr_desc, prev_nr_desc; - efi_status_t status; - __u32 desc_version; - bool called_exit = false; - u8 nr_entries; - int i; - - nr_desc = 0; - e820ext = NULL; - e820ext_size = 0; - -get_map: - status = efi_get_memory_map(sys_table, &mem_map, &map_sz, &desc_size, - &desc_version, &key); - - if (status != EFI_SUCCESS) - return status; - - prev_nr_desc = nr_desc; - nr_desc = map_sz / desc_size; - if (nr_desc > prev_nr_desc && - nr_desc > ARRAY_SIZE(boot_params->e820_map)) { - u32 nr_e820ext = nr_desc - ARRAY_SIZE(boot_params->e820_map); - - status = alloc_e820ext(nr_e820ext, &e820ext, &e820ext_size); - if (status != EFI_SUCCESS) - goto free_mem_map; + bool is64; +}; - efi_call_early(free_pool, mem_map); - goto get_map; /* Allocated memory, get map again */ +static efi_status_t exit_boot_func(efi_system_table_t *sys_table_arg, + struct efi_boot_memmap *map, + void *priv) +{ + static bool first = true; + const char *signature; + __u32 nr_desc; + efi_status_t status; + struct exit_boot_struct *p = priv; + + if (first) { + nr_desc = *map->buff_size / *map->desc_size; + if (nr_desc > ARRAY_SIZE(p->boot_params->e820_map)) { + u32 nr_e820ext = nr_desc - + ARRAY_SIZE(p->boot_params->e820_map); + + status = alloc_e820ext(nr_e820ext, &p->e820ext, + &p->e820ext_size); + if (status != EFI_SUCCESS) + return status; + } + first = false; } - signature = is64 ? EFI64_LOADER_SIGNATURE : EFI32_LOADER_SIGNATURE; - memcpy(&efi->efi_loader_signature, signature, sizeof(__u32)); + signature = p->is64 ? EFI64_LOADER_SIGNATURE : EFI32_LOADER_SIGNATURE; + memcpy(&p->efi->efi_loader_signature, signature, sizeof(__u32)); - efi->efi_systab = (unsigned long)sys_table; - efi->efi_memdesc_size = desc_size; - efi->efi_memdesc_version = desc_version; - efi->efi_memmap = (unsigned long)mem_map; - efi->efi_memmap_size = map_sz; + p->efi->efi_systab = (unsigned long)sys_table_arg; + p->efi->efi_memdesc_size = *map->desc_size; + p->efi->efi_memdesc_version = *map->desc_ver; + p->efi->efi_memmap = (unsigned long)*map->map; + p->efi->efi_memmap_size = *map->map_size; #ifdef CONFIG_X86_64 - efi->efi_systab_hi = (unsigned long)sys_table >> 32; - efi->efi_memmap_hi = (unsigned long)mem_map >> 32; + p->efi->efi_systab_hi = (unsigned long)sys_table_arg >> 32; + p->efi->efi_memmap_hi = (unsigned long)*map->map >> 32; #endif + return EFI_SUCCESS; +} + +static efi_status_t exit_boot(struct boot_params *boot_params, + void *handle, bool is64) +{ + unsigned long map_sz, key, desc_size, buff_size; + efi_memory_desc_t *mem_map; + struct setup_data *e820ext; + __u32 e820ext_size; + efi_status_t status; + __u32 desc_version; + struct efi_boot_memmap map; + struct exit_boot_struct priv; + + map.map = &mem_map; + map.map_size = &map_sz; + map.desc_size = &desc_size; + map.desc_ver = &desc_version; + map.key_ptr = &key; + map.buff_size = &buff_size; + priv.boot_params = boot_params; + priv.efi = &boot_params->efi_info; + priv.e820ext = NULL; + priv.e820ext_size = 0; + priv.is64 = is64; + /* Might as well exit boot services now */ - status = efi_call_early(exit_boot_services, handle, key); - if (status != EFI_SUCCESS) { - /* - * ExitBootServices() will fail if any of the event - * handlers change the memory map. In which case, we - * must be prepared to retry, but only once so that - * we're guaranteed to exit on repeated failures instead - * of spinning forever. - */ - if (called_exit) - goto free_mem_map; - - called_exit = true; - efi_call_early(free_pool, mem_map); - goto get_map; - } + status = efi_exit_boot_services(sys_table, handle, &map, &priv, + exit_boot_func); + if (status != EFI_SUCCESS) + return status; + e820ext = priv.e820ext; + e820ext_size = priv.e820ext_size; /* Historic? */ boot_params->alt_mem_k = 32 * 1024; @@ -1085,10 +1093,6 @@ get_map: return status; return EFI_SUCCESS; - -free_mem_map: - efi_call_early(free_pool, mem_map); - return status; } /* diff --git a/arch/x86/events/amd/core.c b/arch/x86/events/amd/core.c index e07a22bb9308..f5f4b3fbbbc2 100644 --- a/arch/x86/events/amd/core.c +++ b/arch/x86/events/amd/core.c @@ -119,8 +119,8 @@ static const u64 amd_perfmon_event_map[PERF_COUNT_HW_MAX] = { [PERF_COUNT_HW_CPU_CYCLES] = 0x0076, [PERF_COUNT_HW_INSTRUCTIONS] = 0x00c0, - [PERF_COUNT_HW_CACHE_REFERENCES] = 0x0080, - [PERF_COUNT_HW_CACHE_MISSES] = 0x0081, + [PERF_COUNT_HW_CACHE_REFERENCES] = 0x077d, + [PERF_COUNT_HW_CACHE_MISSES] = 0x077e, [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 0x00c2, [PERF_COUNT_HW_BRANCH_MISSES] = 0x00c3, [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] = 0x00d0, /* "Decoder empty" event */ diff --git a/arch/x86/events/amd/uncore.c b/arch/x86/events/amd/uncore.c index e6131d4454e6..65577f081d07 100644 --- a/arch/x86/events/amd/uncore.c +++ b/arch/x86/events/amd/uncore.c @@ -29,6 +29,8 @@ #define COUNTER_SHIFT 16 +static HLIST_HEAD(uncore_unused_list); + struct amd_uncore { int id; int refcnt; @@ -39,7 +41,7 @@ struct amd_uncore { cpumask_t *active_mask; struct pmu *pmu; struct perf_event *events[MAX_COUNTERS]; - struct amd_uncore *free_when_cpu_online; + struct hlist_node node; }; static struct amd_uncore * __percpu *amd_uncore_nb; @@ -306,6 +308,7 @@ static int amd_uncore_cpu_up_prepare(unsigned int cpu) uncore_nb->msr_base = MSR_F15H_NB_PERF_CTL; uncore_nb->active_mask = &amd_nb_active_mask; uncore_nb->pmu = &amd_nb_pmu; + uncore_nb->id = -1; *per_cpu_ptr(amd_uncore_nb, cpu) = uncore_nb; } @@ -319,6 +322,7 @@ static int amd_uncore_cpu_up_prepare(unsigned int cpu) uncore_l2->msr_base = MSR_F16H_L2I_PERF_CTL; uncore_l2->active_mask = &amd_l2_active_mask; uncore_l2->pmu = &amd_l2_pmu; + uncore_l2->id = -1; *per_cpu_ptr(amd_uncore_l2, cpu) = uncore_l2; } @@ -348,7 +352,7 @@ amd_uncore_find_online_sibling(struct amd_uncore *this, continue; if (this->id == that->id) { - that->free_when_cpu_online = this; + hlist_add_head(&this->node, &uncore_unused_list); this = that; break; } @@ -388,13 +392,23 @@ static int amd_uncore_cpu_starting(unsigned int cpu) return 0; } +static void uncore_clean_online(void) +{ + struct amd_uncore *uncore; + struct hlist_node *n; + + hlist_for_each_entry_safe(uncore, n, &uncore_unused_list, node) { + hlist_del(&uncore->node); + kfree(uncore); + } +} + static void uncore_online(unsigned int cpu, struct amd_uncore * __percpu *uncores) { struct amd_uncore *uncore = *per_cpu_ptr(uncores, cpu); - kfree(uncore->free_when_cpu_online); - uncore->free_when_cpu_online = NULL; + uncore_clean_online(); if (cpu == uncore->cpu) cpumask_set_cpu(cpu, uncore->active_mask); diff --git a/arch/x86/events/intel/bts.c b/arch/x86/events/intel/bts.c index 0a6e393a2e62..982c9e31daca 100644 --- a/arch/x86/events/intel/bts.c +++ b/arch/x86/events/intel/bts.c @@ -31,7 +31,17 @@ struct bts_ctx { struct perf_output_handle handle; struct debug_store ds_back; - int started; + int state; +}; + +/* BTS context states: */ +enum { + /* no ongoing AUX transactions */ + BTS_STATE_STOPPED = 0, + /* AUX transaction is on, BTS tracing is disabled */ + BTS_STATE_INACTIVE, + /* AUX transaction is on, BTS tracing is running */ + BTS_STATE_ACTIVE, }; static DEFINE_PER_CPU(struct bts_ctx, bts_ctx); @@ -204,6 +214,15 @@ static void bts_update(struct bts_ctx *bts) static int bts_buffer_reset(struct bts_buffer *buf, struct perf_output_handle *handle); +/* + * Ordering PMU callbacks wrt themselves and the PMI is done by means + * of bts::state, which: + * - is set when bts::handle::event is valid, that is, between + * perf_aux_output_begin() and perf_aux_output_end(); + * - is zero otherwise; + * - is ordered against bts::handle::event with a compiler barrier. + */ + static void __bts_event_start(struct perf_event *event) { struct bts_ctx *bts = this_cpu_ptr(&bts_ctx); @@ -221,10 +240,13 @@ static void __bts_event_start(struct perf_event *event) /* * local barrier to make sure that ds configuration made it - * before we enable BTS + * before we enable BTS and bts::state goes ACTIVE */ wmb(); + /* INACTIVE/STOPPED -> ACTIVE */ + WRITE_ONCE(bts->state, BTS_STATE_ACTIVE); + intel_pmu_enable_bts(config); } @@ -251,9 +273,6 @@ static void bts_event_start(struct perf_event *event, int flags) __bts_event_start(event); - /* PMI handler: this counter is running and likely generating PMIs */ - ACCESS_ONCE(bts->started) = 1; - return; fail_end_stop: @@ -263,30 +282,34 @@ fail_stop: event->hw.state = PERF_HES_STOPPED; } -static void __bts_event_stop(struct perf_event *event) +static void __bts_event_stop(struct perf_event *event, int state) { + struct bts_ctx *bts = this_cpu_ptr(&bts_ctx); + + /* ACTIVE -> INACTIVE(PMI)/STOPPED(->stop()) */ + WRITE_ONCE(bts->state, state); + /* * No extra synchronization is mandated by the documentation to have * BTS data stores globally visible. */ intel_pmu_disable_bts(); - - if (event->hw.state & PERF_HES_STOPPED) - return; - - ACCESS_ONCE(event->hw.state) |= PERF_HES_STOPPED; } static void bts_event_stop(struct perf_event *event, int flags) { struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); struct bts_ctx *bts = this_cpu_ptr(&bts_ctx); - struct bts_buffer *buf = perf_get_aux(&bts->handle); + struct bts_buffer *buf = NULL; + int state = READ_ONCE(bts->state); - /* PMI handler: don't restart this counter */ - ACCESS_ONCE(bts->started) = 0; + if (state == BTS_STATE_ACTIVE) + __bts_event_stop(event, BTS_STATE_STOPPED); - __bts_event_stop(event); + if (state != BTS_STATE_STOPPED) + buf = perf_get_aux(&bts->handle); + + event->hw.state |= PERF_HES_STOPPED; if (flags & PERF_EF_UPDATE) { bts_update(bts); @@ -296,6 +319,7 @@ static void bts_event_stop(struct perf_event *event, int flags) bts->handle.head = local_xchg(&buf->data_size, buf->nr_pages << PAGE_SHIFT); + perf_aux_output_end(&bts->handle, local_xchg(&buf->data_size, 0), !!local_xchg(&buf->lost, 0)); } @@ -310,8 +334,20 @@ static void bts_event_stop(struct perf_event *event, int flags) void intel_bts_enable_local(void) { struct bts_ctx *bts = this_cpu_ptr(&bts_ctx); + int state = READ_ONCE(bts->state); + + /* + * Here we transition from INACTIVE to ACTIVE; + * if we instead are STOPPED from the interrupt handler, + * stay that way. Can't be ACTIVE here though. + */ + if (WARN_ON_ONCE(state == BTS_STATE_ACTIVE)) + return; + + if (state == BTS_STATE_STOPPED) + return; - if (bts->handle.event && bts->started) + if (bts->handle.event) __bts_event_start(bts->handle.event); } @@ -319,8 +355,15 @@ void intel_bts_disable_local(void) { struct bts_ctx *bts = this_cpu_ptr(&bts_ctx); + /* + * Here we transition from ACTIVE to INACTIVE; + * do nothing for STOPPED or INACTIVE. + */ + if (READ_ONCE(bts->state) != BTS_STATE_ACTIVE) + return; + if (bts->handle.event) - __bts_event_stop(bts->handle.event); + __bts_event_stop(bts->handle.event, BTS_STATE_INACTIVE); } static int @@ -335,8 +378,6 @@ bts_buffer_reset(struct bts_buffer *buf, struct perf_output_handle *handle) return 0; head = handle->head & ((buf->nr_pages << PAGE_SHIFT) - 1); - if (WARN_ON_ONCE(head != local_read(&buf->head))) - return -EINVAL; phys = &buf->buf[buf->cur_buf]; space = phys->offset + phys->displacement + phys->size - head; @@ -403,22 +444,37 @@ bts_buffer_reset(struct bts_buffer *buf, struct perf_output_handle *handle) int intel_bts_interrupt(void) { + struct debug_store *ds = this_cpu_ptr(&cpu_hw_events)->ds; struct bts_ctx *bts = this_cpu_ptr(&bts_ctx); struct perf_event *event = bts->handle.event; struct bts_buffer *buf; s64 old_head; - int err; + int err = -ENOSPC, handled = 0; - if (!event || !bts->started) - return 0; + /* + * The only surefire way of knowing if this NMI is ours is by checking + * the write ptr against the PMI threshold. + */ + if (ds && (ds->bts_index >= ds->bts_interrupt_threshold)) + handled = 1; + + /* + * this is wrapped in intel_bts_enable_local/intel_bts_disable_local, + * so we can only be INACTIVE or STOPPED + */ + if (READ_ONCE(bts->state) == BTS_STATE_STOPPED) + return handled; buf = perf_get_aux(&bts->handle); + if (!buf) + return handled; + /* * Skip snapshot counters: they don't use the interrupt, but * there's no other way of telling, because the pointer will * keep moving */ - if (!buf || buf->snapshot) + if (buf->snapshot) return 0; old_head = local_read(&buf->head); @@ -426,18 +482,27 @@ int intel_bts_interrupt(void) /* no new data */ if (old_head == local_read(&buf->head)) - return 0; + return handled; perf_aux_output_end(&bts->handle, local_xchg(&buf->data_size, 0), !!local_xchg(&buf->lost, 0)); buf = perf_aux_output_begin(&bts->handle, event); - if (!buf) - return 1; + if (buf) + err = bts_buffer_reset(buf, &bts->handle); + + if (err) { + WRITE_ONCE(bts->state, BTS_STATE_STOPPED); - err = bts_buffer_reset(buf, &bts->handle); - if (err) - perf_aux_output_end(&bts->handle, 0, false); + if (buf) { + /* + * BTS_STATE_STOPPED should be visible before + * cleared handle::event + */ + barrier(); + perf_aux_output_end(&bts->handle, 0, false); + } + } return 1; } @@ -519,7 +584,8 @@ static __init int bts_init(void) if (!boot_cpu_has(X86_FEATURE_DTES64) || !x86_pmu.bts) return -ENODEV; - bts_pmu.capabilities = PERF_PMU_CAP_AUX_NO_SG | PERF_PMU_CAP_ITRACE; + bts_pmu.capabilities = PERF_PMU_CAP_AUX_NO_SG | PERF_PMU_CAP_ITRACE | + PERF_PMU_CAP_EXCLUSIVE; bts_pmu.task_ctx_nr = perf_sw_context; bts_pmu.event_init = bts_event_init; bts_pmu.add = bts_event_add; diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index 2cbde2f449aa..4c9a79b9cd69 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -1730,9 +1730,11 @@ static __initconst const u64 knl_hw_cache_extra_regs * disabled state if called consecutively. * * During consecutive calls, the same disable value will be written to related - * registers, so the PMU state remains unchanged. hw.state in - * intel_bts_disable_local will remain PERF_HES_STOPPED too in consecutive - * calls. + * registers, so the PMU state remains unchanged. + * + * intel_bts events don't coexist with intel PMU's BTS events because of + * x86_add_exclusive(x86_lbr_exclusive_lbr); there's no need to keep them + * disabled around intel PMU's event batching etc, only inside the PMI handler. */ static void __intel_pmu_disable_all(void) { @@ -1742,8 +1744,6 @@ static void __intel_pmu_disable_all(void) if (test_bit(INTEL_PMC_IDX_FIXED_BTS, cpuc->active_mask)) intel_pmu_disable_bts(); - else - intel_bts_disable_local(); intel_pmu_pebs_disable_all(); } @@ -1771,8 +1771,7 @@ static void __intel_pmu_enable_all(int added, bool pmi) return; intel_pmu_enable_bts(event->hw.config); - } else - intel_bts_enable_local(); + } } static void intel_pmu_enable_all(int added) @@ -2073,6 +2072,7 @@ static int intel_pmu_handle_irq(struct pt_regs *regs) */ if (!x86_pmu.late_ack) apic_write(APIC_LVTPC, APIC_DM_NMI); + intel_bts_disable_local(); __intel_pmu_disable_all(); handled = intel_pmu_drain_bts_buffer(); handled += intel_bts_interrupt(); @@ -2172,6 +2172,7 @@ done: /* Only restore PMU state when it's active. See x86_pmu_disable(). */ if (cpuc->enabled) __intel_pmu_enable_all(0, true); + intel_bts_enable_local(); /* * Only unmask the NMI after the overflow counters diff --git a/arch/x86/events/intel/cqm.c b/arch/x86/events/intel/cqm.c index 783c49ddef29..8f82b02934fa 100644 --- a/arch/x86/events/intel/cqm.c +++ b/arch/x86/events/intel/cqm.c @@ -458,6 +458,11 @@ static void __intel_cqm_event_count(void *info); static void init_mbm_sample(u32 rmid, u32 evt_type); static void __intel_mbm_event_count(void *info); +static bool is_cqm_event(int e) +{ + return (e == QOS_L3_OCCUP_EVENT_ID); +} + static bool is_mbm_event(int e) { return (e >= QOS_MBM_TOTAL_EVENT_ID && e <= QOS_MBM_LOCAL_EVENT_ID); @@ -1366,6 +1371,10 @@ static int intel_cqm_event_init(struct perf_event *event) (event->attr.config > QOS_MBM_LOCAL_EVENT_ID)) return -EINVAL; + if ((is_cqm_event(event->attr.config) && !cqm_enabled) || + (is_mbm_event(event->attr.config) && !mbm_enabled)) + return -EINVAL; + /* unsupported modes and filters */ if (event->attr.exclude_user || event->attr.exclude_kernel || diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c index 7ce9f3f669e6..9b983a474253 100644 --- a/arch/x86/events/intel/ds.c +++ b/arch/x86/events/intel/ds.c @@ -1274,18 +1274,18 @@ static void intel_pmu_drain_pebs_nhm(struct pt_regs *iregs) struct pebs_record_nhm *p = at; u64 pebs_status; - /* PEBS v3 has accurate status bits */ + pebs_status = p->status & cpuc->pebs_enabled; + pebs_status &= (1ULL << x86_pmu.max_pebs_events) - 1; + + /* PEBS v3 has more accurate status bits */ if (x86_pmu.intel_cap.pebs_format >= 3) { - for_each_set_bit(bit, (unsigned long *)&p->status, - MAX_PEBS_EVENTS) + for_each_set_bit(bit, (unsigned long *)&pebs_status, + x86_pmu.max_pebs_events) counts[bit]++; continue; } - pebs_status = p->status & cpuc->pebs_enabled; - pebs_status &= (1ULL << x86_pmu.max_pebs_events) - 1; - /* * On some CPUs the PEBS status can be zero when PEBS is * racing with clearing of GLOBAL_STATUS. @@ -1333,8 +1333,11 @@ static void intel_pmu_drain_pebs_nhm(struct pt_regs *iregs) continue; event = cpuc->events[bit]; - WARN_ON_ONCE(!event); - WARN_ON_ONCE(!event->attr.precise_ip); + if (WARN_ON_ONCE(!event)) + continue; + + if (WARN_ON_ONCE(!event->attr.precise_ip)) + continue; /* log dropped samples number */ if (error[bit]) diff --git a/arch/x86/events/intel/pt.c b/arch/x86/events/intel/pt.c index 04bb5fb5a8d7..861a7d9cb60f 100644 --- a/arch/x86/events/intel/pt.c +++ b/arch/x86/events/intel/pt.c @@ -1074,6 +1074,11 @@ static void pt_addr_filters_fini(struct perf_event *event) event->hw.addr_filters = NULL; } +static inline bool valid_kernel_ip(unsigned long ip) +{ + return virt_addr_valid(ip) && kernel_ip(ip); +} + static int pt_event_addr_filters_validate(struct list_head *filters) { struct perf_addr_filter *filter; @@ -1081,11 +1086,16 @@ static int pt_event_addr_filters_validate(struct list_head *filters) list_for_each_entry(filter, filters, entry) { /* PT doesn't support single address triggers */ - if (!filter->range) + if (!filter->range || !filter->size) return -EOPNOTSUPP; - if (!filter->inode && !kernel_ip(filter->offset)) - return -EINVAL; + if (!filter->inode) { + if (!valid_kernel_ip(filter->offset)) + return -EINVAL; + + if (!valid_kernel_ip(filter->offset + filter->size)) + return -EINVAL; + } if (++range > pt_cap_get(PT_CAP_num_address_ranges)) return -EOPNOTSUPP; @@ -1111,7 +1121,7 @@ static void pt_event_addr_filters_sync(struct perf_event *event) } else { /* apply the offset */ msr_a = filter->offset + offs[range]; - msr_b = filter->size + msr_a; + msr_b = filter->size + msr_a - 1; } filters->filter[range].msr_a = msr_a; diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h index e3af86f58eaf..2131c4ce7d8a 100644 --- a/arch/x86/include/asm/uaccess.h +++ b/arch/x86/include/asm/uaccess.h @@ -433,7 +433,11 @@ do { \ #define __get_user_asm_ex(x, addr, itype, rtype, ltype) \ asm volatile("1: mov"itype" %1,%"rtype"0\n" \ "2:\n" \ - _ASM_EXTABLE_EX(1b, 2b) \ + ".section .fixup,\"ax\"\n" \ + "3:xor"itype" %"rtype"0,%"rtype"0\n" \ + " jmp 2b\n" \ + ".previous\n" \ + _ASM_EXTABLE_EX(1b, 3b) \ : ltype(x) : "m" (__m(addr))) #define __put_user_nocheck(x, ptr, size) \ diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 50c95af0f017..f3e9b2df4b16 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -2093,7 +2093,6 @@ int generic_processor_info(int apicid, int version) return -EINVAL; } - num_processors++; if (apicid == boot_cpu_physical_apicid) { /* * x86_bios_cpu_apicid is required to have processors listed @@ -2116,10 +2115,13 @@ int generic_processor_info(int apicid, int version) pr_warning("APIC: Package limit reached. Processor %d/0x%x ignored.\n", thiscpu, apicid); + disabled_cpus++; return -ENOSPC; } + num_processors++; + /* * Validate version */ diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c index b816971f5da4..620ab06bcf45 100644 --- a/arch/x86/kernel/cpu/microcode/amd.c +++ b/arch/x86/kernel/cpu/microcode/amd.c @@ -54,6 +54,7 @@ static LIST_HEAD(pcache); */ static u8 *container; static size_t container_size; +static bool ucode_builtin; static u32 ucode_new_rev; static u8 amd_ucode_patch[PATCH_MAX_SIZE]; @@ -281,18 +282,22 @@ static bool __init load_builtin_amd_microcode(struct cpio_data *cp, void __init load_ucode_amd_bsp(unsigned int family) { struct cpio_data cp; + bool *builtin; void **data; size_t *size; #ifdef CONFIG_X86_32 data = (void **)__pa_nodebug(&ucode_cpio.data); size = (size_t *)__pa_nodebug(&ucode_cpio.size); + builtin = (bool *)__pa_nodebug(&ucode_builtin); #else data = &ucode_cpio.data; size = &ucode_cpio.size; + builtin = &ucode_builtin; #endif - if (!load_builtin_amd_microcode(&cp, family)) + *builtin = load_builtin_amd_microcode(&cp, family); + if (!*builtin) cp = find_ucode_in_initrd(); if (!(cp.data && cp.size)) @@ -373,7 +378,8 @@ void load_ucode_amd_ap(void) return; /* Add CONFIG_RANDOMIZE_MEMORY offset. */ - cont += PAGE_OFFSET - __PAGE_OFFSET_BASE; + if (!ucode_builtin) + cont += PAGE_OFFSET - __PAGE_OFFSET_BASE; eax = cpuid_eax(0x00000001); eq = (struct equiv_cpu_entry *)(cont + CONTAINER_HDR_SZ); @@ -439,7 +445,8 @@ int __init save_microcode_in_initrd_amd(void) container = cont_va; /* Add CONFIG_RANDOMIZE_MEMORY offset. */ - container += PAGE_OFFSET - __PAGE_OFFSET_BASE; + if (!ucode_builtin) + container += PAGE_OFFSET - __PAGE_OFFSET_BASE; eax = cpuid_eax(0x00000001); eax = ((eax >> 8) & 0xf) + ((eax >> 20) & 0xff); diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c index 1d39bfbd26bb..3692249a70f1 100644 --- a/arch/x86/kernel/kvmclock.c +++ b/arch/x86/kernel/kvmclock.c @@ -289,6 +289,7 @@ void __init kvmclock_init(void) put_cpu(); x86_platform.calibrate_tsc = kvm_get_tsc_khz; + x86_platform.calibrate_cpu = kvm_get_tsc_khz; x86_platform.get_wallclock = kvm_get_wallclock; x86_platform.set_wallclock = kvm_set_wallclock; #ifdef CONFIG_X86_LOCAL_APIC diff --git a/arch/x86/kvm/ioapic.c b/arch/x86/kvm/ioapic.c index 5f42d038fcb4..c7220ba94aa7 100644 --- a/arch/x86/kvm/ioapic.c +++ b/arch/x86/kvm/ioapic.c @@ -109,6 +109,7 @@ static void __rtc_irq_eoi_tracking_restore_one(struct kvm_vcpu *vcpu) { bool new_val, old_val; struct kvm_ioapic *ioapic = vcpu->kvm->arch.vioapic; + struct dest_map *dest_map = &ioapic->rtc_status.dest_map; union kvm_ioapic_redirect_entry *e; e = &ioapic->redirtbl[RTC_GSI]; @@ -117,16 +118,17 @@ static void __rtc_irq_eoi_tracking_restore_one(struct kvm_vcpu *vcpu) return; new_val = kvm_apic_pending_eoi(vcpu, e->fields.vector); - old_val = test_bit(vcpu->vcpu_id, ioapic->rtc_status.dest_map.map); + old_val = test_bit(vcpu->vcpu_id, dest_map->map); if (new_val == old_val) return; if (new_val) { - __set_bit(vcpu->vcpu_id, ioapic->rtc_status.dest_map.map); + __set_bit(vcpu->vcpu_id, dest_map->map); + dest_map->vectors[vcpu->vcpu_id] = e->fields.vector; ioapic->rtc_status.pending_eoi++; } else { - __clear_bit(vcpu->vcpu_id, ioapic->rtc_status.dest_map.map); + __clear_bit(vcpu->vcpu_id, dest_map->map); ioapic->rtc_status.pending_eoi--; rtc_status_pending_eoi_check_valid(ioapic); } diff --git a/arch/x86/kvm/pmu_amd.c b/arch/x86/kvm/pmu_amd.c index 39b91127ef07..cd944435dfbd 100644 --- a/arch/x86/kvm/pmu_amd.c +++ b/arch/x86/kvm/pmu_amd.c @@ -23,8 +23,8 @@ static struct kvm_event_hw_type_mapping amd_event_mapping[] = { [0] = { 0x76, 0x00, PERF_COUNT_HW_CPU_CYCLES }, [1] = { 0xc0, 0x00, PERF_COUNT_HW_INSTRUCTIONS }, - [2] = { 0x80, 0x00, PERF_COUNT_HW_CACHE_REFERENCES }, - [3] = { 0x81, 0x00, PERF_COUNT_HW_CACHE_MISSES }, + [2] = { 0x7d, 0x07, PERF_COUNT_HW_CACHE_REFERENCES }, + [3] = { 0x7e, 0x07, PERF_COUNT_HW_CACHE_MISSES }, [4] = { 0xc2, 0x00, PERF_COUNT_HW_BRANCH_INSTRUCTIONS }, [5] = { 0xc3, 0x00, PERF_COUNT_HW_BRANCH_MISSES }, [6] = { 0xd0, 0x00, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND }, diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 19f9f9e05c2a..699f8726539a 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -2743,16 +2743,16 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) if (tsc_delta < 0) mark_tsc_unstable("KVM discovered backwards TSC"); - if (kvm_lapic_hv_timer_in_use(vcpu) && - kvm_x86_ops->set_hv_timer(vcpu, - kvm_get_lapic_tscdeadline_msr(vcpu))) - kvm_lapic_switch_to_sw_timer(vcpu); if (check_tsc_unstable()) { u64 offset = kvm_compute_tsc_offset(vcpu, vcpu->arch.last_guest_tsc); kvm_x86_ops->write_tsc_offset(vcpu, offset); vcpu->arch.tsc_catchup = 1; } + if (kvm_lapic_hv_timer_in_use(vcpu) && + kvm_x86_ops->set_hv_timer(vcpu, + kvm_get_lapic_tscdeadline_msr(vcpu))) + kvm_lapic_switch_to_sw_timer(vcpu); /* * On a host with synchronized TSC, there is no need to update * kvmclock on vcpu->cpu migration diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c index 849dc09fa4f0..e3353c97d086 100644 --- a/arch/x86/mm/pageattr.c +++ b/arch/x86/mm/pageattr.c @@ -917,11 +917,11 @@ static void populate_pte(struct cpa_data *cpa, } } -static int populate_pmd(struct cpa_data *cpa, - unsigned long start, unsigned long end, - unsigned num_pages, pud_t *pud, pgprot_t pgprot) +static long populate_pmd(struct cpa_data *cpa, + unsigned long start, unsigned long end, + unsigned num_pages, pud_t *pud, pgprot_t pgprot) { - unsigned int cur_pages = 0; + long cur_pages = 0; pmd_t *pmd; pgprot_t pmd_pgprot; @@ -991,12 +991,12 @@ static int populate_pmd(struct cpa_data *cpa, return num_pages; } -static int populate_pud(struct cpa_data *cpa, unsigned long start, pgd_t *pgd, - pgprot_t pgprot) +static long populate_pud(struct cpa_data *cpa, unsigned long start, pgd_t *pgd, + pgprot_t pgprot) { pud_t *pud; unsigned long end; - int cur_pages = 0; + long cur_pages = 0; pgprot_t pud_pgprot; end = start + (cpa->numpages << PAGE_SHIFT); @@ -1052,7 +1052,7 @@ static int populate_pud(struct cpa_data *cpa, unsigned long start, pgd_t *pgd, /* Map trailing leftover */ if (start < end) { - int tmp; + long tmp; pud = pud_offset(pgd, start); if (pud_none(*pud)) @@ -1078,7 +1078,7 @@ static int populate_pgd(struct cpa_data *cpa, unsigned long addr) pgprot_t pgprot = __pgprot(_KERNPG_TABLE); pud_t *pud = NULL; /* shut up gcc */ pgd_t *pgd_entry; - int ret; + long ret; pgd_entry = cpa->pgd + pgd_index(addr); @@ -1327,7 +1327,8 @@ static int cpa_process_alias(struct cpa_data *cpa) static int __change_page_attr_set_clr(struct cpa_data *cpa, int checkalias) { - int ret, numpages = cpa->numpages; + unsigned long numpages = cpa->numpages; + int ret; while (numpages) { /* diff --git a/arch/x86/pci/fixup.c b/arch/x86/pci/fixup.c index 837ea36a837d..6d52b94f4bb9 100644 --- a/arch/x86/pci/fixup.c +++ b/arch/x86/pci/fixup.c @@ -553,15 +553,21 @@ static void twinhead_reserve_killing_zone(struct pci_dev *dev) DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x27B9, twinhead_reserve_killing_zone); /* - * Broadwell EP Home Agent BARs erroneously return non-zero values when read. + * Device [8086:2fc0] + * Erratum HSE43 + * CONFIG_TDP_NOMINAL CSR Implemented at Incorrect Offset + * http://www.intel.com/content/www/us/en/processors/xeon/xeon-e5-v3-spec-update.html * - * See http://www.intel.com/content/www/us/en/processors/xeon/xeon-e5-v4-spec-update.html - * entry BDF2. + * Devices [8086:6f60,6fa0,6fc0] + * Erratum BDF2 + * PCI BARs in the Home Agent Will Return Non-Zero Values During Enumeration + * http://www.intel.com/content/www/us/en/processors/xeon/xeon-e5-v4-spec-update.html */ -static void pci_bdwep_bar(struct pci_dev *dev) +static void pci_invalid_bar(struct pci_dev *dev) { dev->non_compliant_bars = 1; } -DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6f60, pci_bdwep_bar); -DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6fa0, pci_bdwep_bar); -DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6fc0, pci_bdwep_bar); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x2fc0, pci_invalid_bar); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6f60, pci_invalid_bar); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6fa0, pci_invalid_bar); +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_INTEL, 0x6fc0, pci_invalid_bar); diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c index 677e29e29473..8dd3784eb075 100644 --- a/arch/x86/platform/efi/efi_64.c +++ b/arch/x86/platform/efi/efi_64.c @@ -245,7 +245,7 @@ int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages) * text and allocate a new stack because we can't rely on the * stack pointer being < 4GB. */ - if (!IS_ENABLED(CONFIG_EFI_MIXED)) + if (!IS_ENABLED(CONFIG_EFI_MIXED) || efi_is_native()) return 0; /* diff --git a/block/blk-mq.c b/block/blk-mq.c index 13f5a6c1de76..c207fa9870eb 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -296,17 +296,29 @@ struct request *blk_mq_alloc_request_hctx(struct request_queue *q, int rw, if (ret) return ERR_PTR(ret); + /* + * Check if the hardware context is actually mapped to anything. + * If not tell the caller that it should skip this queue. + */ hctx = q->queue_hw_ctx[hctx_idx]; + if (!blk_mq_hw_queue_mapped(hctx)) { + ret = -EXDEV; + goto out_queue_exit; + } ctx = __blk_mq_get_ctx(q, cpumask_first(hctx->cpumask)); blk_mq_set_alloc_data(&alloc_data, q, flags, ctx, hctx); rq = __blk_mq_alloc_request(&alloc_data, rw, 0); if (!rq) { - blk_queue_exit(q); - return ERR_PTR(-EWOULDBLOCK); + ret = -EWOULDBLOCK; + goto out_queue_exit; } return rq; + +out_queue_exit: + blk_queue_exit(q); + return ERR_PTR(ret); } EXPORT_SYMBOL_GPL(blk_mq_alloc_request_hctx); diff --git a/block/blk-throttle.c b/block/blk-throttle.c index f1aba26f4719..a3ea8260c94c 100644 --- a/block/blk-throttle.c +++ b/block/blk-throttle.c @@ -780,9 +780,11 @@ static bool tg_may_dispatch(struct throtl_grp *tg, struct bio *bio, /* * If previous slice expired, start a new one otherwise renew/extend * existing slice to make sure it is at least throtl_slice interval - * long since now. + * long since now. New slice is started only for empty throttle group. + * If there is queued bio, that means there should be an active + * slice and it should be extended instead. */ - if (throtl_slice_used(tg, rw)) + if (throtl_slice_used(tg, rw) && !(tg->service_queue.nr_queued[rw])) throtl_start_new_slice(tg, rw); else { if (time_before(tg->slice_end[rw], jiffies + throtl_slice)) diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c index 369999530108..a832426820e8 100644 --- a/crypto/blkcipher.c +++ b/crypto/blkcipher.c @@ -233,6 +233,8 @@ static int blkcipher_walk_next(struct blkcipher_desc *desc, return blkcipher_walk_done(desc, walk, -EINVAL); } + bsize = min(walk->walk_blocksize, n); + walk->flags &= ~(BLKCIPHER_WALK_SLOW | BLKCIPHER_WALK_COPY | BLKCIPHER_WALK_DIFF); if (!scatterwalk_aligned(&walk->in, walk->alignmask) || @@ -245,7 +247,6 @@ static int blkcipher_walk_next(struct blkcipher_desc *desc, } } - bsize = min(walk->walk_blocksize, n); n = scatterwalk_clamp(&walk->in, n); n = scatterwalk_clamp(&walk->out, n); diff --git a/crypto/cryptd.c b/crypto/cryptd.c index 77207b41940c..0c654e59f215 100644 --- a/crypto/cryptd.c +++ b/crypto/cryptd.c @@ -631,9 +631,14 @@ static int cryptd_hash_export(struct ahash_request *req, void *out) static int cryptd_hash_import(struct ahash_request *req, const void *in) { - struct cryptd_hash_request_ctx *rctx = ahash_request_ctx(req); + struct crypto_ahash *tfm = crypto_ahash_reqtfm(req); + struct cryptd_hash_ctx *ctx = crypto_ahash_ctx(tfm); + struct shash_desc *desc = cryptd_shash_desc(req); + + desc->tfm = ctx->child; + desc->flags = req->base.flags; - return crypto_shash_import(&rctx->desc, in); + return crypto_shash_import(desc, in); } static int cryptd_create_hash(struct crypto_template *tmpl, struct rtattr **tb, diff --git a/crypto/echainiv.c b/crypto/echainiv.c index 1b01fe98e91f..e3d889b122e0 100644 --- a/crypto/echainiv.c +++ b/crypto/echainiv.c @@ -1,8 +1,8 @@ /* * echainiv: Encrypted Chain IV Generator * - * This generator generates an IV based on a sequence number by xoring it - * with a salt and then encrypting it with the same key as used to encrypt + * This generator generates an IV based on a sequence number by multiplying + * it with a salt and then encrypting it with the same key as used to encrypt * the plain text. This algorithm requires that the block size be equal * to the IV size. It is mainly useful for CBC. * @@ -24,81 +24,17 @@ #include <linux/err.h> #include <linux/init.h> #include <linux/kernel.h> -#include <linux/mm.h> #include <linux/module.h> -#include <linux/percpu.h> -#include <linux/spinlock.h> +#include <linux/slab.h> #include <linux/string.h> -#define MAX_IV_SIZE 16 - -static DEFINE_PER_CPU(u32 [MAX_IV_SIZE / sizeof(u32)], echainiv_iv); - -/* We don't care if we get preempted and read/write IVs from the next CPU. */ -static void echainiv_read_iv(u8 *dst, unsigned size) -{ - u32 *a = (u32 *)dst; - u32 __percpu *b = echainiv_iv; - - for (; size >= 4; size -= 4) { - *a++ = this_cpu_read(*b); - b++; - } -} - -static void echainiv_write_iv(const u8 *src, unsigned size) -{ - const u32 *a = (const u32 *)src; - u32 __percpu *b = echainiv_iv; - - for (; size >= 4; size -= 4) { - this_cpu_write(*b, *a); - a++; - b++; - } -} - -static void echainiv_encrypt_complete2(struct aead_request *req, int err) -{ - struct aead_request *subreq = aead_request_ctx(req); - struct crypto_aead *geniv; - unsigned int ivsize; - - if (err == -EINPROGRESS) - return; - - if (err) - goto out; - - geniv = crypto_aead_reqtfm(req); - ivsize = crypto_aead_ivsize(geniv); - - echainiv_write_iv(subreq->iv, ivsize); - - if (req->iv != subreq->iv) - memcpy(req->iv, subreq->iv, ivsize); - -out: - if (req->iv != subreq->iv) - kzfree(subreq->iv); -} - -static void echainiv_encrypt_complete(struct crypto_async_request *base, - int err) -{ - struct aead_request *req = base->data; - - echainiv_encrypt_complete2(req, err); - aead_request_complete(req, err); -} - static int echainiv_encrypt(struct aead_request *req) { struct crypto_aead *geniv = crypto_aead_reqtfm(req); struct aead_geniv_ctx *ctx = crypto_aead_ctx(geniv); struct aead_request *subreq = aead_request_ctx(req); - crypto_completion_t compl; - void *data; + __be64 nseqno; + u64 seqno; u8 *info; unsigned int ivsize = crypto_aead_ivsize(geniv); int err; @@ -108,8 +44,6 @@ static int echainiv_encrypt(struct aead_request *req) aead_request_set_tfm(subreq, ctx->child); - compl = echainiv_encrypt_complete; - data = req; info = req->iv; if (req->src != req->dst) { @@ -127,29 +61,30 @@ static int echainiv_encrypt(struct aead_request *req) return err; } - if (unlikely(!IS_ALIGNED((unsigned long)info, - crypto_aead_alignmask(geniv) + 1))) { - info = kmalloc(ivsize, req->base.flags & - CRYPTO_TFM_REQ_MAY_SLEEP ? GFP_KERNEL: - GFP_ATOMIC); - if (!info) - return -ENOMEM; - - memcpy(info, req->iv, ivsize); - } - - aead_request_set_callback(subreq, req->base.flags, compl, data); + aead_request_set_callback(subreq, req->base.flags, + req->base.complete, req->base.data); aead_request_set_crypt(subreq, req->dst, req->dst, req->cryptlen, info); aead_request_set_ad(subreq, req->assoclen); - crypto_xor(info, ctx->salt, ivsize); + memcpy(&nseqno, info + ivsize - 8, 8); + seqno = be64_to_cpu(nseqno); + memset(info, 0, ivsize); + scatterwalk_map_and_copy(info, req->dst, req->assoclen, ivsize, 1); - echainiv_read_iv(info, ivsize); - err = crypto_aead_encrypt(subreq); - echainiv_encrypt_complete2(req, err); - return err; + do { + u64 a; + + memcpy(&a, ctx->salt + ivsize - 8, 8); + + a |= 1; + a *= seqno; + + memcpy(info + ivsize - 8, &a, 8); + } while ((ivsize -= 8)); + + return crypto_aead_encrypt(subreq); } static int echainiv_decrypt(struct aead_request *req) @@ -196,8 +131,7 @@ static int echainiv_aead_create(struct crypto_template *tmpl, alg = crypto_spawn_aead_alg(spawn); err = -EINVAL; - if (inst->alg.ivsize & (sizeof(u32) - 1) || - inst->alg.ivsize > MAX_IV_SIZE) + if (inst->alg.ivsize & (sizeof(u64) - 1) || !inst->alg.ivsize) goto free_inst; inst->alg.encrypt = echainiv_encrypt; @@ -206,7 +140,6 @@ static int echainiv_aead_create(struct crypto_template *tmpl, inst->alg.init = aead_init_geniv; inst->alg.exit = aead_exit_geniv; - inst->alg.base.cra_alignmask |= __alignof__(u32) - 1; inst->alg.base.cra_ctxsize = sizeof(struct aead_geniv_ctx); inst->alg.base.cra_ctxsize += inst->alg.ivsize; diff --git a/crypto/rsa-pkcs1pad.c b/crypto/rsa-pkcs1pad.c index 877019a6d3ea..8baab4307f7b 100644 --- a/crypto/rsa-pkcs1pad.c +++ b/crypto/rsa-pkcs1pad.c @@ -298,41 +298,48 @@ static int pkcs1pad_decrypt_complete(struct akcipher_request *req, int err) struct crypto_akcipher *tfm = crypto_akcipher_reqtfm(req); struct pkcs1pad_ctx *ctx = akcipher_tfm_ctx(tfm); struct pkcs1pad_request *req_ctx = akcipher_request_ctx(req); + unsigned int dst_len; unsigned int pos; - - if (err == -EOVERFLOW) - /* Decrypted value had no leading 0 byte */ - err = -EINVAL; + u8 *out_buf; if (err) goto done; - if (req_ctx->child_req.dst_len != ctx->key_size - 1) { - err = -EINVAL; + err = -EINVAL; + dst_len = req_ctx->child_req.dst_len; + if (dst_len < ctx->key_size - 1) goto done; + + out_buf = req_ctx->out_buf; + if (dst_len == ctx->key_size) { + if (out_buf[0] != 0x00) + /* Decrypted value had no leading 0 byte */ + goto done; + + dst_len--; + out_buf++; } - if (req_ctx->out_buf[0] != 0x02) { - err = -EINVAL; + if (out_buf[0] != 0x02) goto done; - } - for (pos = 1; pos < req_ctx->child_req.dst_len; pos++) - if (req_ctx->out_buf[pos] == 0x00) + + for (pos = 1; pos < dst_len; pos++) + if (out_buf[pos] == 0x00) break; - if (pos < 9 || pos == req_ctx->child_req.dst_len) { - err = -EINVAL; + if (pos < 9 || pos == dst_len) goto done; - } pos++; - if (req->dst_len < req_ctx->child_req.dst_len - pos) + err = 0; + + if (req->dst_len < dst_len - pos) err = -EOVERFLOW; - req->dst_len = req_ctx->child_req.dst_len - pos; + req->dst_len = dst_len - pos; if (!err) sg_copy_from_buffer(req->dst, sg_nents_for_len(req->dst, req->dst_len), - req_ctx->out_buf + pos, req->dst_len); + out_buf + pos, req->dst_len); done: kzfree(req_ctx->out_buf); diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index 17995fadebd7..82a081ea4317 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -419,7 +419,7 @@ static int rpm_suspend(struct device *dev, int rpmflags) struct device *parent = NULL; int retval; - trace_rpm_suspend(dev, rpmflags); + trace_rpm_suspend_rcuidle(dev, rpmflags); repeat: retval = rpm_check_suspend_allowed(dev); @@ -549,7 +549,7 @@ static int rpm_suspend(struct device *dev, int rpmflags) } out: - trace_rpm_return_int(dev, _THIS_IP_, retval); + trace_rpm_return_int_rcuidle(dev, _THIS_IP_, retval); return retval; diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 25d26bb18970..e964d068874d 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -1475,7 +1475,11 @@ int _regmap_raw_write(struct regmap *map, unsigned int reg, kfree(buf); } else if (ret != 0 && !map->cache_bypass && map->format.parse_val) { - regcache_drop_region(map, reg, reg + 1); + /* regcache_drop_region() takes lock that we already have, + * thus call map->cache_ops->drop() directly + */ + if (map->cache_ops && map->cache_ops->drop) + map->cache_ops->drop(map, reg, reg + 1); } trace_regmap_hw_write_done(map, reg, val_len / map->format.val_bytes); diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-h3.c b/drivers/clk/sunxi-ng/ccu-sun8i-h3.c index 9af359544110..267f99523fbe 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-h3.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-h3.c @@ -783,14 +783,14 @@ static struct ccu_reset_map sun8i_h3_ccu_resets[] = { [RST_BUS_I2S1] = { 0x2d0, BIT(13) }, [RST_BUS_I2S2] = { 0x2d0, BIT(14) }, - [RST_BUS_I2C0] = { 0x2d4, BIT(0) }, - [RST_BUS_I2C1] = { 0x2d4, BIT(1) }, - [RST_BUS_I2C2] = { 0x2d4, BIT(2) }, - [RST_BUS_UART0] = { 0x2d4, BIT(16) }, - [RST_BUS_UART1] = { 0x2d4, BIT(17) }, - [RST_BUS_UART2] = { 0x2d4, BIT(18) }, - [RST_BUS_UART3] = { 0x2d4, BIT(19) }, - [RST_BUS_SCR] = { 0x2d4, BIT(20) }, + [RST_BUS_I2C0] = { 0x2d8, BIT(0) }, + [RST_BUS_I2C1] = { 0x2d8, BIT(1) }, + [RST_BUS_I2C2] = { 0x2d8, BIT(2) }, + [RST_BUS_UART0] = { 0x2d8, BIT(16) }, + [RST_BUS_UART1] = { 0x2d8, BIT(17) }, + [RST_BUS_UART2] = { 0x2d8, BIT(18) }, + [RST_BUS_UART3] = { 0x2d8, BIT(19) }, + [RST_BUS_SCR] = { 0x2d8, BIT(20) }, }; static const struct sunxi_ccu_desc sun8i_h3_ccu_desc = { diff --git a/drivers/clk/sunxi-ng/ccu_nk.c b/drivers/clk/sunxi-ng/ccu_nk.c index 4470ffc8cf0d..d6fafb397489 100644 --- a/drivers/clk/sunxi-ng/ccu_nk.c +++ b/drivers/clk/sunxi-ng/ccu_nk.c @@ -14,9 +14,9 @@ #include "ccu_gate.h" #include "ccu_nk.h" -void ccu_nk_find_best(unsigned long parent, unsigned long rate, - unsigned int max_n, unsigned int max_k, - unsigned int *n, unsigned int *k) +static void ccu_nk_find_best(unsigned long parent, unsigned long rate, + unsigned int max_n, unsigned int max_k, + unsigned int *n, unsigned int *k) { unsigned long best_rate = 0; unsigned int best_k = 0, best_n = 0; diff --git a/drivers/clk/sunxi/clk-a10-pll2.c b/drivers/clk/sunxi/clk-a10-pll2.c index 0ee1f363e4be..d8eab90ae661 100644 --- a/drivers/clk/sunxi/clk-a10-pll2.c +++ b/drivers/clk/sunxi/clk-a10-pll2.c @@ -73,7 +73,7 @@ static void __init sun4i_pll2_setup(struct device_node *node, SUN4I_PLL2_PRE_DIV_WIDTH, CLK_DIVIDER_ONE_BASED | CLK_DIVIDER_ALLOW_ZERO, &sun4i_a10_pll2_lock); - if (!prediv_clk) { + if (IS_ERR(prediv_clk)) { pr_err("Couldn't register the prediv clock\n"); goto err_free_array; } @@ -106,7 +106,7 @@ static void __init sun4i_pll2_setup(struct device_node *node, &mult->hw, &clk_multiplier_ops, &gate->hw, &clk_gate_ops, CLK_SET_RATE_PARENT); - if (!base_clk) { + if (IS_ERR(base_clk)) { pr_err("Couldn't register the base multiplier clock\n"); goto err_free_multiplier; } diff --git a/drivers/clk/sunxi/clk-sun8i-mbus.c b/drivers/clk/sunxi/clk-sun8i-mbus.c index 411d3033a96e..b200ebf159ee 100644 --- a/drivers/clk/sunxi/clk-sun8i-mbus.c +++ b/drivers/clk/sunxi/clk-sun8i-mbus.c @@ -48,7 +48,7 @@ static void __init sun8i_a23_mbus_setup(struct device_node *node) return; reg = of_io_request_and_map(node, 0, of_node_full_name(node)); - if (!reg) { + if (IS_ERR(reg)) { pr_err("Could not get registers for sun8i-mbus-clk\n"); goto err_free_parents; } diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c index 5a2631af7410..7dd2e2d37231 100644 --- a/drivers/firmware/efi/efi.c +++ b/drivers/firmware/efi/efi.c @@ -657,9 +657,12 @@ static int __init fdt_find_uefi_params(unsigned long node, const char *uname, } if (subnode) { - node = of_get_flat_dt_subnode_by_name(node, subnode); - if (node < 0) + int err = of_get_flat_dt_subnode_by_name(node, subnode); + + if (err < 0) return 0; + + node = err; } return __find_uefi_params(node, info, dt_params[i].params); diff --git a/drivers/firmware/efi/libstub/efi-stub-helper.c b/drivers/firmware/efi/libstub/efi-stub-helper.c index 3bd127f95315..aded10662020 100644 --- a/drivers/firmware/efi/libstub/efi-stub-helper.c +++ b/drivers/firmware/efi/libstub/efi-stub-helper.c @@ -41,6 +41,8 @@ static unsigned long __chunk_size = EFI_READ_CHUNK_SIZE; #define EFI_ALLOC_ALIGN EFI_PAGE_SIZE #endif +#define EFI_MMAP_NR_SLACK_SLOTS 8 + struct file_info { efi_file_handle_t *handle; u64 size; @@ -63,49 +65,62 @@ void efi_printk(efi_system_table_t *sys_table_arg, char *str) } } +static inline bool mmap_has_headroom(unsigned long buff_size, + unsigned long map_size, + unsigned long desc_size) +{ + unsigned long slack = buff_size - map_size; + + return slack / desc_size >= EFI_MMAP_NR_SLACK_SLOTS; +} + efi_status_t efi_get_memory_map(efi_system_table_t *sys_table_arg, - efi_memory_desc_t **map, - unsigned long *map_size, - unsigned long *desc_size, - u32 *desc_ver, - unsigned long *key_ptr) + struct efi_boot_memmap *map) { efi_memory_desc_t *m = NULL; efi_status_t status; unsigned long key; u32 desc_version; - *map_size = sizeof(*m) * 32; + *map->desc_size = sizeof(*m); + *map->map_size = *map->desc_size * 32; + *map->buff_size = *map->map_size; again: - /* - * Add an additional efi_memory_desc_t because we're doing an - * allocation which may be in a new descriptor region. - */ - *map_size += sizeof(*m); status = efi_call_early(allocate_pool, EFI_LOADER_DATA, - *map_size, (void **)&m); + *map->map_size, (void **)&m); if (status != EFI_SUCCESS) goto fail; - *desc_size = 0; + *map->desc_size = 0; key = 0; - status = efi_call_early(get_memory_map, map_size, m, - &key, desc_size, &desc_version); - if (status == EFI_BUFFER_TOO_SMALL) { + status = efi_call_early(get_memory_map, map->map_size, m, + &key, map->desc_size, &desc_version); + if (status == EFI_BUFFER_TOO_SMALL || + !mmap_has_headroom(*map->buff_size, *map->map_size, + *map->desc_size)) { efi_call_early(free_pool, m); + /* + * Make sure there is some entries of headroom so that the + * buffer can be reused for a new map after allocations are + * no longer permitted. Its unlikely that the map will grow to + * exceed this headroom once we are ready to trigger + * ExitBootServices() + */ + *map->map_size += *map->desc_size * EFI_MMAP_NR_SLACK_SLOTS; + *map->buff_size = *map->map_size; goto again; } if (status != EFI_SUCCESS) efi_call_early(free_pool, m); - if (key_ptr && status == EFI_SUCCESS) - *key_ptr = key; - if (desc_ver && status == EFI_SUCCESS) - *desc_ver = desc_version; + if (map->key_ptr && status == EFI_SUCCESS) + *map->key_ptr = key; + if (map->desc_ver && status == EFI_SUCCESS) + *map->desc_ver = desc_version; fail: - *map = m; + *map->map = m; return status; } @@ -113,13 +128,20 @@ fail: unsigned long get_dram_base(efi_system_table_t *sys_table_arg) { efi_status_t status; - unsigned long map_size; + unsigned long map_size, buff_size; unsigned long membase = EFI_ERROR; struct efi_memory_map map; efi_memory_desc_t *md; + struct efi_boot_memmap boot_map; - status = efi_get_memory_map(sys_table_arg, (efi_memory_desc_t **)&map.map, - &map_size, &map.desc_size, NULL, NULL); + boot_map.map = (efi_memory_desc_t **)&map.map; + boot_map.map_size = &map_size; + boot_map.desc_size = &map.desc_size; + boot_map.desc_ver = NULL; + boot_map.key_ptr = NULL; + boot_map.buff_size = &buff_size; + + status = efi_get_memory_map(sys_table_arg, &boot_map); if (status != EFI_SUCCESS) return membase; @@ -144,15 +166,22 @@ efi_status_t efi_high_alloc(efi_system_table_t *sys_table_arg, unsigned long size, unsigned long align, unsigned long *addr, unsigned long max) { - unsigned long map_size, desc_size; + unsigned long map_size, desc_size, buff_size; efi_memory_desc_t *map; efi_status_t status; unsigned long nr_pages; u64 max_addr = 0; int i; + struct efi_boot_memmap boot_map; + + boot_map.map = ↦ + boot_map.map_size = &map_size; + boot_map.desc_size = &desc_size; + boot_map.desc_ver = NULL; + boot_map.key_ptr = NULL; + boot_map.buff_size = &buff_size; - status = efi_get_memory_map(sys_table_arg, &map, &map_size, &desc_size, - NULL, NULL); + status = efi_get_memory_map(sys_table_arg, &boot_map); if (status != EFI_SUCCESS) goto fail; @@ -230,14 +259,21 @@ efi_status_t efi_low_alloc(efi_system_table_t *sys_table_arg, unsigned long size, unsigned long align, unsigned long *addr) { - unsigned long map_size, desc_size; + unsigned long map_size, desc_size, buff_size; efi_memory_desc_t *map; efi_status_t status; unsigned long nr_pages; int i; + struct efi_boot_memmap boot_map; - status = efi_get_memory_map(sys_table_arg, &map, &map_size, &desc_size, - NULL, NULL); + boot_map.map = ↦ + boot_map.map_size = &map_size; + boot_map.desc_size = &desc_size; + boot_map.desc_ver = NULL; + boot_map.key_ptr = NULL; + boot_map.buff_size = &buff_size; + + status = efi_get_memory_map(sys_table_arg, &boot_map); if (status != EFI_SUCCESS) goto fail; @@ -704,3 +740,76 @@ char *efi_convert_cmdline(efi_system_table_t *sys_table_arg, *cmd_line_len = options_bytes; return (char *)cmdline_addr; } + +/* + * Handle calling ExitBootServices according to the requirements set out by the + * spec. Obtains the current memory map, and returns that info after calling + * ExitBootServices. The client must specify a function to perform any + * processing of the memory map data prior to ExitBootServices. A client + * specific structure may be passed to the function via priv. The client + * function may be called multiple times. + */ +efi_status_t efi_exit_boot_services(efi_system_table_t *sys_table_arg, + void *handle, + struct efi_boot_memmap *map, + void *priv, + efi_exit_boot_map_processing priv_func) +{ + efi_status_t status; + + status = efi_get_memory_map(sys_table_arg, map); + + if (status != EFI_SUCCESS) + goto fail; + + status = priv_func(sys_table_arg, map, priv); + if (status != EFI_SUCCESS) + goto free_map; + + status = efi_call_early(exit_boot_services, handle, *map->key_ptr); + + if (status == EFI_INVALID_PARAMETER) { + /* + * The memory map changed between efi_get_memory_map() and + * exit_boot_services(). Per the UEFI Spec v2.6, Section 6.4: + * EFI_BOOT_SERVICES.ExitBootServices we need to get the + * updated map, and try again. The spec implies one retry + * should be sufficent, which is confirmed against the EDK2 + * implementation. Per the spec, we can only invoke + * get_memory_map() and exit_boot_services() - we cannot alloc + * so efi_get_memory_map() cannot be used, and we must reuse + * the buffer. For all practical purposes, the headroom in the + * buffer should account for any changes in the map so the call + * to get_memory_map() is expected to succeed here. + */ + *map->map_size = *map->buff_size; + status = efi_call_early(get_memory_map, + map->map_size, + *map->map, + map->key_ptr, + map->desc_size, + map->desc_ver); + + /* exit_boot_services() was called, thus cannot free */ + if (status != EFI_SUCCESS) + goto fail; + + status = priv_func(sys_table_arg, map, priv); + /* exit_boot_services() was called, thus cannot free */ + if (status != EFI_SUCCESS) + goto fail; + + status = efi_call_early(exit_boot_services, handle, *map->key_ptr); + } + + /* exit_boot_services() was called, thus cannot free */ + if (status != EFI_SUCCESS) + goto fail; + + return EFI_SUCCESS; + +free_map: + efi_call_early(free_pool, *map->map); +fail: + return status; +} diff --git a/drivers/firmware/efi/libstub/fdt.c b/drivers/firmware/efi/libstub/fdt.c index e58abfa953cc..a6a93116a8f0 100644 --- a/drivers/firmware/efi/libstub/fdt.c +++ b/drivers/firmware/efi/libstub/fdt.c @@ -152,6 +152,27 @@ fdt_set_fail: #define EFI_FDT_ALIGN EFI_PAGE_SIZE #endif +struct exit_boot_struct { + efi_memory_desc_t *runtime_map; + int *runtime_entry_count; +}; + +static efi_status_t exit_boot_func(efi_system_table_t *sys_table_arg, + struct efi_boot_memmap *map, + void *priv) +{ + struct exit_boot_struct *p = priv; + /* + * Update the memory map with virtual addresses. The function will also + * populate @runtime_map with copies of just the EFI_MEMORY_RUNTIME + * entries so that we can pass it straight to SetVirtualAddressMap() + */ + efi_get_virtmap(*map->map, *map->map_size, *map->desc_size, + p->runtime_map, p->runtime_entry_count); + + return EFI_SUCCESS; +} + /* * Allocate memory for a new FDT, then add EFI, commandline, and * initrd related fields to the FDT. This routine increases the @@ -175,13 +196,22 @@ efi_status_t allocate_new_fdt_and_exit_boot(efi_system_table_t *sys_table, unsigned long fdt_addr, unsigned long fdt_size) { - unsigned long map_size, desc_size; + unsigned long map_size, desc_size, buff_size; u32 desc_ver; unsigned long mmap_key; efi_memory_desc_t *memory_map, *runtime_map; unsigned long new_fdt_size; efi_status_t status; int runtime_entry_count = 0; + struct efi_boot_memmap map; + struct exit_boot_struct priv; + + map.map = &runtime_map; + map.map_size = &map_size; + map.desc_size = &desc_size; + map.desc_ver = &desc_ver; + map.key_ptr = &mmap_key; + map.buff_size = &buff_size; /* * Get a copy of the current memory map that we will use to prepare @@ -189,8 +219,7 @@ efi_status_t allocate_new_fdt_and_exit_boot(efi_system_table_t *sys_table, * subsequent allocations adding entries, since they could not affect * the number of EFI_MEMORY_RUNTIME regions. */ - status = efi_get_memory_map(sys_table, &runtime_map, &map_size, - &desc_size, &desc_ver, &mmap_key); + status = efi_get_memory_map(sys_table, &map); if (status != EFI_SUCCESS) { pr_efi_err(sys_table, "Unable to retrieve UEFI memory map.\n"); return status; @@ -199,6 +228,7 @@ efi_status_t allocate_new_fdt_and_exit_boot(efi_system_table_t *sys_table, pr_efi(sys_table, "Exiting boot services and installing virtual address map...\n"); + map.map = &memory_map; /* * Estimate size of new FDT, and allocate memory for it. We * will allocate a bigger buffer if this ends up being too @@ -218,8 +248,7 @@ efi_status_t allocate_new_fdt_and_exit_boot(efi_system_table_t *sys_table, * we can get the memory map key needed for * exit_boot_services(). */ - status = efi_get_memory_map(sys_table, &memory_map, &map_size, - &desc_size, &desc_ver, &mmap_key); + status = efi_get_memory_map(sys_table, &map); if (status != EFI_SUCCESS) goto fail_free_new_fdt; @@ -250,16 +279,11 @@ efi_status_t allocate_new_fdt_and_exit_boot(efi_system_table_t *sys_table, } } - /* - * Update the memory map with virtual addresses. The function will also - * populate @runtime_map with copies of just the EFI_MEMORY_RUNTIME - * entries so that we can pass it straight into SetVirtualAddressMap() - */ - efi_get_virtmap(memory_map, map_size, desc_size, runtime_map, - &runtime_entry_count); - - /* Now we are ready to exit_boot_services.*/ - status = sys_table->boottime->exit_boot_services(handle, mmap_key); + sys_table->boottime->free_pool(memory_map); + priv.runtime_map = runtime_map; + priv.runtime_entry_count = &runtime_entry_count; + status = efi_exit_boot_services(sys_table, handle, &map, &priv, + exit_boot_func); if (status == EFI_SUCCESS) { efi_set_virtual_address_map_t *svam; diff --git a/drivers/firmware/efi/libstub/random.c b/drivers/firmware/efi/libstub/random.c index 53f6d3fe6d86..0c9f58c5ba50 100644 --- a/drivers/firmware/efi/libstub/random.c +++ b/drivers/firmware/efi/libstub/random.c @@ -73,12 +73,20 @@ efi_status_t efi_random_alloc(efi_system_table_t *sys_table_arg, unsigned long random_seed) { unsigned long map_size, desc_size, total_slots = 0, target_slot; + unsigned long buff_size; efi_status_t status; efi_memory_desc_t *memory_map; int map_offset; + struct efi_boot_memmap map; - status = efi_get_memory_map(sys_table_arg, &memory_map, &map_size, - &desc_size, NULL, NULL); + map.map = &memory_map; + map.map_size = &map_size; + map.desc_size = &desc_size; + map.desc_ver = NULL; + map.key_ptr = NULL; + map.buff_size = &buff_size; + + status = efi_get_memory_map(sys_table_arg, &map); if (status != EFI_SUCCESS) return status; diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c index a978381ef95b..9b17a66cf0e1 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c @@ -387,7 +387,7 @@ void atmel_hlcdc_crtc_irq(struct drm_crtc *c) atmel_hlcdc_crtc_finish_page_flip(drm_crtc_to_atmel_hlcdc_crtc(c)); } -void atmel_hlcdc_crtc_reset(struct drm_crtc *crtc) +static void atmel_hlcdc_crtc_reset(struct drm_crtc *crtc) { struct atmel_hlcdc_crtc_state *state; diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c index 016c191221f3..52c527f6642a 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c @@ -320,19 +320,19 @@ atmel_hlcdc_plane_update_pos_and_size(struct atmel_hlcdc_plane *plane, u32 *coeff_tab = heo_upscaling_ycoef; u32 max_memsize; - if (state->crtc_w < state->src_w) + if (state->crtc_h < state->src_h) coeff_tab = heo_downscaling_ycoef; for (i = 0; i < ARRAY_SIZE(heo_upscaling_ycoef); i++) atmel_hlcdc_layer_update_cfg(&plane->layer, 33 + i, 0xffffffff, coeff_tab[i]); - factor = ((8 * 256 * state->src_w) - (256 * 4)) / - state->crtc_w; + factor = ((8 * 256 * state->src_h) - (256 * 4)) / + state->crtc_h; factor++; - max_memsize = ((factor * state->crtc_w) + (256 * 4)) / + max_memsize = ((factor * state->crtc_h) + (256 * 4)) / 2048; - if (max_memsize > state->src_w) + if (max_memsize > state->src_h) factor--; factor_reg |= (factor << 16) | 0x80000000; } diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c index 57676f8d7ecf..a6289752be16 100644 --- a/drivers/gpu/drm/drm_ioc32.c +++ b/drivers/gpu/drm/drm_ioc32.c @@ -1015,6 +1015,7 @@ static int compat_drm_wait_vblank(struct file *file, unsigned int cmd, return 0; } +#if defined(CONFIG_X86) || defined(CONFIG_IA64) typedef struct drm_mode_fb_cmd232 { u32 fb_id; u32 width; @@ -1071,6 +1072,7 @@ static int compat_drm_mode_addfb2(struct file *file, unsigned int cmd, return 0; } +#endif static drm_ioctl_compat_t *drm_compat_ioctls[] = { [DRM_IOCTL_NR(DRM_IOCTL_VERSION32)] = compat_drm_version, @@ -1104,7 +1106,9 @@ static drm_ioctl_compat_t *drm_compat_ioctls[] = { [DRM_IOCTL_NR(DRM_IOCTL_UPDATE_DRAW32)] = compat_drm_update_draw, #endif [DRM_IOCTL_NR(DRM_IOCTL_WAIT_VBLANK32)] = compat_drm_wait_vblank, +#if defined(CONFIG_X86) || defined(CONFIG_IA64) [DRM_IOCTL_NR(DRM_IOCTL_MODE_ADDFB232)] = compat_drm_mode_addfb2, +#endif }; /** diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c index e0166403b4bd..40ce841eb952 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fb.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c @@ -55,11 +55,11 @@ static int check_fb_gem_memory_type(struct drm_device *drm_dev, flags = exynos_gem->flags; /* - * without iommu support, not support physically non-continuous memory - * for framebuffer. + * Physically non-contiguous memory type for framebuffer is not + * supported without IOMMU. */ if (IS_NONCONTIG_BUFFER(flags)) { - DRM_ERROR("cannot use this gem memory type for fb.\n"); + DRM_ERROR("Non-contiguous GEM memory is not supported.\n"); return -EINVAL; } diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c index 0525c56145db..147ef0d298cb 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c @@ -1753,32 +1753,6 @@ static int fimc_clk_ctrl(struct fimc_context *ctx, bool enable) return 0; } -#ifdef CONFIG_PM_SLEEP -static int fimc_suspend(struct device *dev) -{ - struct fimc_context *ctx = get_fimc_context(dev); - - DRM_DEBUG_KMS("id[%d]\n", ctx->id); - - if (pm_runtime_suspended(dev)) - return 0; - - return fimc_clk_ctrl(ctx, false); -} - -static int fimc_resume(struct device *dev) -{ - struct fimc_context *ctx = get_fimc_context(dev); - - DRM_DEBUG_KMS("id[%d]\n", ctx->id); - - if (!pm_runtime_suspended(dev)) - return fimc_clk_ctrl(ctx, true); - - return 0; -} -#endif - static int fimc_runtime_suspend(struct device *dev) { struct fimc_context *ctx = get_fimc_context(dev); @@ -1799,7 +1773,8 @@ static int fimc_runtime_resume(struct device *dev) #endif static const struct dev_pm_ops fimc_pm_ops = { - SET_SYSTEM_SLEEP_PM_OPS(fimc_suspend, fimc_resume) + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) SET_RUNTIME_PM_OPS(fimc_runtime_suspend, fimc_runtime_resume, NULL) }; diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c index 4bf00f57ffe8..6eca8bb88648 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c @@ -1475,8 +1475,8 @@ static int g2d_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM_SLEEP -static int g2d_suspend(struct device *dev) +#ifdef CONFIG_PM +static int g2d_runtime_suspend(struct device *dev) { struct g2d_data *g2d = dev_get_drvdata(dev); @@ -1490,25 +1490,6 @@ static int g2d_suspend(struct device *dev) flush_work(&g2d->runqueue_work); - return 0; -} - -static int g2d_resume(struct device *dev) -{ - struct g2d_data *g2d = dev_get_drvdata(dev); - - g2d->suspended = false; - g2d_exec_runqueue(g2d); - - return 0; -} -#endif - -#ifdef CONFIG_PM -static int g2d_runtime_suspend(struct device *dev) -{ - struct g2d_data *g2d = dev_get_drvdata(dev); - clk_disable_unprepare(g2d->gate_clk); return 0; @@ -1523,12 +1504,16 @@ static int g2d_runtime_resume(struct device *dev) if (ret < 0) dev_warn(dev, "failed to enable clock.\n"); + g2d->suspended = false; + g2d_exec_runqueue(g2d); + return ret; } #endif static const struct dev_pm_ops g2d_pm_ops = { - SET_SYSTEM_SLEEP_PM_OPS(g2d_suspend, g2d_resume) + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) SET_RUNTIME_PM_OPS(g2d_runtime_suspend, g2d_runtime_resume, NULL) }; diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c index 5d20da8f957e..52a9d269484e 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c @@ -1760,34 +1760,7 @@ static int gsc_remove(struct platform_device *pdev) return 0; } -#ifdef CONFIG_PM_SLEEP -static int gsc_suspend(struct device *dev) -{ - struct gsc_context *ctx = get_gsc_context(dev); - - DRM_DEBUG_KMS("id[%d]\n", ctx->id); - - if (pm_runtime_suspended(dev)) - return 0; - - return gsc_clk_ctrl(ctx, false); -} - -static int gsc_resume(struct device *dev) -{ - struct gsc_context *ctx = get_gsc_context(dev); - - DRM_DEBUG_KMS("id[%d]\n", ctx->id); - - if (!pm_runtime_suspended(dev)) - return gsc_clk_ctrl(ctx, true); - - return 0; -} -#endif - -#ifdef CONFIG_PM -static int gsc_runtime_suspend(struct device *dev) +static int __maybe_unused gsc_runtime_suspend(struct device *dev) { struct gsc_context *ctx = get_gsc_context(dev); @@ -1796,7 +1769,7 @@ static int gsc_runtime_suspend(struct device *dev) return gsc_clk_ctrl(ctx, false); } -static int gsc_runtime_resume(struct device *dev) +static int __maybe_unused gsc_runtime_resume(struct device *dev) { struct gsc_context *ctx = get_gsc_context(dev); @@ -1804,10 +1777,10 @@ static int gsc_runtime_resume(struct device *dev) return gsc_clk_ctrl(ctx, true); } -#endif static const struct dev_pm_ops gsc_pm_ops = { - SET_SYSTEM_SLEEP_PM_OPS(gsc_suspend, gsc_resume) + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) SET_RUNTIME_PM_OPS(gsc_runtime_suspend, gsc_runtime_resume, NULL) }; diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c index 404367a430b5..6591e406084c 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c +++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c @@ -794,29 +794,6 @@ static int rotator_clk_crtl(struct rot_context *rot, bool enable) return 0; } - -#ifdef CONFIG_PM_SLEEP -static int rotator_suspend(struct device *dev) -{ - struct rot_context *rot = dev_get_drvdata(dev); - - if (pm_runtime_suspended(dev)) - return 0; - - return rotator_clk_crtl(rot, false); -} - -static int rotator_resume(struct device *dev) -{ - struct rot_context *rot = dev_get_drvdata(dev); - - if (!pm_runtime_suspended(dev)) - return rotator_clk_crtl(rot, true); - - return 0; -} -#endif - static int rotator_runtime_suspend(struct device *dev) { struct rot_context *rot = dev_get_drvdata(dev); @@ -833,7 +810,8 @@ static int rotator_runtime_resume(struct device *dev) #endif static const struct dev_pm_ops rotator_pm_ops = { - SET_SYSTEM_SLEEP_PM_OPS(rotator_suspend, rotator_resume) + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) SET_RUNTIME_PM_OPS(rotator_runtime_suspend, rotator_runtime_resume, NULL) }; diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index 95ddd56b89f0..5de36d8dcc68 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -1281,6 +1281,11 @@ int i915_driver_load(struct pci_dev *pdev, const struct pci_device_id *ent) intel_runtime_pm_enable(dev_priv); + /* Everything is in place, we can now relax! */ + DRM_INFO("Initialized %s %d.%d.%d %s for %s on minor %d\n", + driver.name, driver.major, driver.minor, driver.patchlevel, + driver.date, pci_name(pdev), dev_priv->drm.primary->index); + intel_runtime_pm_put(dev_priv); return 0; diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 7a30af79d799..f38ceffd82c3 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -122,8 +122,11 @@ int intel_sanitize_enable_ppgtt(struct drm_i915_private *dev_priv, has_full_48bit_ppgtt = IS_BROADWELL(dev_priv) || INTEL_GEN(dev_priv) >= 9; - if (intel_vgpu_active(dev_priv)) - has_full_ppgtt = false; /* emulation is too hard */ + if (intel_vgpu_active(dev_priv)) { + /* emulation is too hard */ + has_full_ppgtt = false; + has_full_48bit_ppgtt = false; + } if (!has_aliasing_ppgtt) return 0; @@ -158,7 +161,7 @@ int intel_sanitize_enable_ppgtt(struct drm_i915_private *dev_priv, return 0; } - if (INTEL_GEN(dev_priv) >= 8 && i915.enable_execlists) + if (INTEL_GEN(dev_priv) >= 8 && i915.enable_execlists && has_full_ppgtt) return has_full_48bit_ppgtt ? 3 : 2; else return has_aliasing_ppgtt ? 1 : 0; diff --git a/drivers/gpu/drm/i915/i915_vgpu.c b/drivers/gpu/drm/i915/i915_vgpu.c index f6acb5a0e701..b81cfb3b22ec 100644 --- a/drivers/gpu/drm/i915/i915_vgpu.c +++ b/drivers/gpu/drm/i915/i915_vgpu.c @@ -65,9 +65,6 @@ void i915_check_vgpu(struct drm_i915_private *dev_priv) BUILD_BUG_ON(sizeof(struct vgt_if) != VGT_PVINFO_SIZE); - if (!IS_HASWELL(dev_priv)) - return; - magic = __raw_i915_read64(dev_priv, vgtif_reg(magic)); if (magic != VGT_MAGIC) return; diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c index 47bdf9dad0d3..b9e5a63a7c9e 100644 --- a/drivers/gpu/drm/i915/intel_dvo.c +++ b/drivers/gpu/drm/i915/intel_dvo.c @@ -554,7 +554,6 @@ void intel_dvo_init(struct drm_device *dev) return; } - drm_encoder_cleanup(&intel_encoder->base); kfree(intel_dvo); kfree(intel_connector); } diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index adca262d591a..7acbbbf97833 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -1047,6 +1047,23 @@ err_out: return err; } +static int intel_use_opregion_panel_type_callback(const struct dmi_system_id *id) +{ + DRM_INFO("Using panel type from OpRegion on %s\n", id->ident); + return 1; +} + +static const struct dmi_system_id intel_use_opregion_panel_type[] = { + { + .callback = intel_use_opregion_panel_type_callback, + .ident = "Conrac GmbH IX45GM2", + .matches = {DMI_MATCH(DMI_SYS_VENDOR, "Conrac GmbH"), + DMI_MATCH(DMI_PRODUCT_NAME, "IX45GM2"), + }, + }, + { } +}; + int intel_opregion_get_panel_type(struct drm_i915_private *dev_priv) { @@ -1073,6 +1090,16 @@ intel_opregion_get_panel_type(struct drm_i915_private *dev_priv) } /* + * So far we know that some machined must use it, others must not use it. + * There doesn't seem to be any way to determine which way to go, except + * via a quirk list :( + */ + if (!dmi_check_system(intel_use_opregion_panel_type)) { + DRM_DEBUG_KMS("Ignoring OpRegion panel type (%d)\n", ret - 1); + return -ENODEV; + } + + /* * FIXME On Dell XPS 13 9350 the OpRegion panel type (0) gives us * low vswing for eDP, whereas the VBT panel type (2) gives us normal * vswing instead. Low vswing results in some display flickers, so diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 53e13c10e4ea..2d2481392824 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -7859,6 +7859,7 @@ static inline int gen6_check_mailbox_status(struct drm_i915_private *dev_priv) case GEN6_PCODE_ILLEGAL_CMD: return -ENXIO; case GEN6_PCODE_MIN_FREQ_TABLE_GT_RATIO_OUT_OF_RANGE: + case GEN7_PCODE_MIN_FREQ_TABLE_GT_RATIO_OUT_OF_RANGE: return -EOVERFLOW; case GEN6_PCODE_TIMEOUT: return -ETIMEDOUT; diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c index 2b0d1baf15b3..cf171b4b8c67 100644 --- a/drivers/gpu/drm/i915/intel_psr.c +++ b/drivers/gpu/drm/i915/intel_psr.c @@ -255,14 +255,14 @@ static void hsw_psr_enable_source(struct intel_dp *intel_dp) struct drm_i915_private *dev_priv = to_i915(dev); uint32_t max_sleep_time = 0x1f; - /* Lately it was identified that depending on panel idle frame count - * calculated at HW can be off by 1. So let's use what came - * from VBT + 1. - * There are also other cases where panel demands at least 4 - * but VBT is not being set. To cover these 2 cases lets use - * at least 5 when VBT isn't set to be on the safest side. + /* + * Let's respect VBT in case VBT asks a higher idle_frame value. + * Let's use 6 as the minimum to cover all known cases including + * the off-by-one issue that HW has in some cases. Also there are + * cases where sink should be able to train + * with the 5 or 6 idle patterns. */ - uint32_t idle_frames = dev_priv->vbt.psr.idle_frames + 1; + uint32_t idle_frames = max(6, dev_priv->vbt.psr.idle_frames); uint32_t val = EDP_PSR_ENABLE; val |= max_sleep_time << EDP_PSR_MAX_SLEEP_TIME_SHIFT; diff --git a/drivers/gpu/drm/vc4/vc4_bo.c b/drivers/gpu/drm/vc4/vc4_bo.c index 59adcf8532dd..3f6704cf6608 100644 --- a/drivers/gpu/drm/vc4/vc4_bo.c +++ b/drivers/gpu/drm/vc4/vc4_bo.c @@ -144,7 +144,7 @@ static struct list_head *vc4_get_cache_list_for_size(struct drm_device *dev, return &vc4->bo_cache.size_list[page_index]; } -void vc4_bo_cache_purge(struct drm_device *dev) +static void vc4_bo_cache_purge(struct drm_device *dev) { struct vc4_dev *vc4 = to_vc4_dev(dev); diff --git a/drivers/gpu/drm/vc4/vc4_validate_shaders.c b/drivers/gpu/drm/vc4/vc4_validate_shaders.c index 46527e989ce3..2543cf5b8b51 100644 --- a/drivers/gpu/drm/vc4/vc4_validate_shaders.c +++ b/drivers/gpu/drm/vc4/vc4_validate_shaders.c @@ -309,8 +309,14 @@ validate_uniform_address_write(struct vc4_validated_shader_info *validated_shade * of uniforms on each side. However, this scheme is easy to * validate so it's all we allow for now. */ - - if (QPU_GET_FIELD(inst, QPU_SIG) != QPU_SIG_NONE) { + switch (QPU_GET_FIELD(inst, QPU_SIG)) { + case QPU_SIG_NONE: + case QPU_SIG_SCOREBOARD_UNLOCK: + case QPU_SIG_COLOR_LOAD: + case QPU_SIG_LOAD_TMU0: + case QPU_SIG_LOAD_TMU1: + break; + default: DRM_ERROR("uniforms address change must be " "normal math\n"); return false; diff --git a/drivers/i2c/busses/i2c-eg20t.c b/drivers/i2c/busses/i2c-eg20t.c index 137125b5eae7..5ce71ce7b6c4 100644 --- a/drivers/i2c/busses/i2c-eg20t.c +++ b/drivers/i2c/busses/i2c-eg20t.c @@ -773,13 +773,6 @@ static int pch_i2c_probe(struct pci_dev *pdev, /* Set the number of I2C channel instance */ adap_info->ch_num = id->driver_data; - ret = request_irq(pdev->irq, pch_i2c_handler, IRQF_SHARED, - KBUILD_MODNAME, adap_info); - if (ret) { - pch_pci_err(pdev, "request_irq FAILED\n"); - goto err_request_irq; - } - for (i = 0; i < adap_info->ch_num; i++) { pch_adap = &adap_info->pch_data[i].pch_adapter; adap_info->pch_i2c_suspended = false; @@ -797,6 +790,17 @@ static int pch_i2c_probe(struct pci_dev *pdev, pch_adap->dev.of_node = pdev->dev.of_node; pch_adap->dev.parent = &pdev->dev; + } + + ret = request_irq(pdev->irq, pch_i2c_handler, IRQF_SHARED, + KBUILD_MODNAME, adap_info); + if (ret) { + pch_pci_err(pdev, "request_irq FAILED\n"); + goto err_request_irq; + } + + for (i = 0; i < adap_info->ch_num; i++) { + pch_adap = &adap_info->pch_data[i].pch_adapter; pch_i2c_init(&adap_info->pch_data[i]); diff --git a/drivers/i2c/busses/i2c-qup.c b/drivers/i2c/busses/i2c-qup.c index 501bd15cb78e..a8497cfdae6f 100644 --- a/drivers/i2c/busses/i2c-qup.c +++ b/drivers/i2c/busses/i2c-qup.c @@ -1599,7 +1599,8 @@ static int qup_i2c_pm_resume_runtime(struct device *device) #ifdef CONFIG_PM_SLEEP static int qup_i2c_suspend(struct device *device) { - qup_i2c_pm_suspend_runtime(device); + if (!pm_runtime_suspended(device)) + return qup_i2c_pm_suspend_runtime(device); return 0; } diff --git a/drivers/i2c/muxes/i2c-mux-pca954x.c b/drivers/i2c/muxes/i2c-mux-pca954x.c index 528e755c468f..3278ebf1cc5c 100644 --- a/drivers/i2c/muxes/i2c-mux-pca954x.c +++ b/drivers/i2c/muxes/i2c-mux-pca954x.c @@ -164,7 +164,7 @@ static int pca954x_select_chan(struct i2c_mux_core *muxc, u32 chan) /* Only select the channel if its different from the last channel */ if (data->last_chan != regval) { ret = pca954x_reg_write(muxc->parent, client, regval); - data->last_chan = regval; + data->last_chan = ret ? 0 : regval; } return ret; diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index b6a953aed7e8..80f988984f44 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -333,6 +333,8 @@ static void remove_ep_tid(struct c4iw_ep *ep) spin_lock_irqsave(&ep->com.dev->lock, flags); _remove_handle(ep->com.dev, &ep->com.dev->hwtid_idr, ep->hwtid, 0); + if (idr_is_empty(&ep->com.dev->hwtid_idr)) + wake_up(&ep->com.dev->wait); spin_unlock_irqrestore(&ep->com.dev->lock, flags); } @@ -2117,8 +2119,10 @@ static int import_ep(struct c4iw_ep *ep, int iptype, __u8 *peer_ip, } ep->l2t = cxgb4_l2t_get(cdev->rdev.lldi.l2t, n, pdev, rt_tos2priority(tos)); - if (!ep->l2t) + if (!ep->l2t) { + dev_put(pdev); goto out; + } ep->mtu = pdev->mtu; ep->tx_chan = cxgb4_port_chan(pdev); ep->smac_idx = cxgb4_tp_smt_idx(adapter_type, diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c index 071d7332ec06..3c4b2126e0d1 100644 --- a/drivers/infiniband/hw/cxgb4/device.c +++ b/drivers/infiniband/hw/cxgb4/device.c @@ -872,9 +872,13 @@ static void c4iw_rdev_close(struct c4iw_rdev *rdev) static void c4iw_dealloc(struct uld_ctx *ctx) { c4iw_rdev_close(&ctx->dev->rdev); + WARN_ON_ONCE(!idr_is_empty(&ctx->dev->cqidr)); idr_destroy(&ctx->dev->cqidr); + WARN_ON_ONCE(!idr_is_empty(&ctx->dev->qpidr)); idr_destroy(&ctx->dev->qpidr); + WARN_ON_ONCE(!idr_is_empty(&ctx->dev->mmidr)); idr_destroy(&ctx->dev->mmidr); + wait_event(ctx->dev->wait, idr_is_empty(&ctx->dev->hwtid_idr)); idr_destroy(&ctx->dev->hwtid_idr); idr_destroy(&ctx->dev->stid_idr); idr_destroy(&ctx->dev->atid_idr); @@ -992,6 +996,7 @@ static struct c4iw_dev *c4iw_alloc(const struct cxgb4_lld_info *infop) mutex_init(&devp->rdev.stats.lock); mutex_init(&devp->db_mutex); INIT_LIST_HEAD(&devp->db_fc_list); + init_waitqueue_head(&devp->wait); devp->avail_ird = devp->rdev.lldi.max_ird_adapter; if (c4iw_debugfs_root) { diff --git a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h index aa47e0ae80bc..4b83b84f7ddf 100644 --- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h +++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h @@ -263,6 +263,7 @@ struct c4iw_dev { struct idr stid_idr; struct list_head db_fc_list; u32 avail_ird; + wait_queue_head_t wait; }; static inline struct c4iw_dev *to_c4iw_dev(struct ib_device *ibdev) diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c index 9c2e53d28f98..0f21c3a25552 100644 --- a/drivers/infiniband/hw/mlx4/mad.c +++ b/drivers/infiniband/hw/mlx4/mad.c @@ -1128,6 +1128,27 @@ void handle_port_mgmt_change_event(struct work_struct *work) /* Generate GUID changed event */ if (changed_attr & MLX4_EQ_PORT_INFO_GID_PFX_CHANGE_MASK) { + if (mlx4_is_master(dev->dev)) { + union ib_gid gid; + int err = 0; + + if (!eqe->event.port_mgmt_change.params.port_info.gid_prefix) + err = __mlx4_ib_query_gid(&dev->ib_dev, port, 0, &gid, 1); + else + gid.global.subnet_prefix = + eqe->event.port_mgmt_change.params.port_info.gid_prefix; + if (err) { + pr_warn("Could not change QP1 subnet prefix for port %d: query_gid error (%d)\n", + port, err); + } else { + pr_debug("Changing QP1 subnet prefix for port %d. old=0x%llx. new=0x%llx\n", + port, + (u64)atomic64_read(&dev->sriov.demux[port - 1].subnet_prefix), + be64_to_cpu(gid.global.subnet_prefix)); + atomic64_set(&dev->sriov.demux[port - 1].subnet_prefix, + be64_to_cpu(gid.global.subnet_prefix)); + } + } mlx4_ib_dispatch_event(dev, port, IB_EVENT_GID_CHANGE); /*if master, notify all slaves*/ if (mlx4_is_master(dev->dev)) @@ -2202,6 +2223,8 @@ int mlx4_ib_init_sriov(struct mlx4_ib_dev *dev) if (err) goto demux_err; dev->sriov.demux[i].guid_cache[0] = gid.global.interface_id; + atomic64_set(&dev->sriov.demux[i].subnet_prefix, + be64_to_cpu(gid.global.subnet_prefix)); err = alloc_pv_object(dev, mlx4_master_func_num(dev->dev), i + 1, &dev->sriov.sqps[i]); if (err) diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index 2af44c2de262..87ba9bca4181 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -2202,6 +2202,9 @@ static int mlx4_ib_alloc_diag_counters(struct mlx4_ib_dev *ibdev) bool per_port = !!(ibdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_DIAG_PER_PORT); + if (mlx4_is_slave(ibdev->dev)) + return 0; + for (i = 0; i < MLX4_DIAG_COUNTERS_TYPES; i++) { /* i == 1 means we are building port counters */ if (i && !per_port) diff --git a/drivers/infiniband/hw/mlx4/mcg.c b/drivers/infiniband/hw/mlx4/mcg.c index 8f7ad07915b0..097bfcc4ee99 100644 --- a/drivers/infiniband/hw/mlx4/mcg.c +++ b/drivers/infiniband/hw/mlx4/mcg.c @@ -489,7 +489,7 @@ static u8 get_leave_state(struct mcast_group *group) if (!group->members[i]) leave_state |= (1 << i); - return leave_state & (group->rec.scope_join_state & 7); + return leave_state & (group->rec.scope_join_state & 0xf); } static int join_group(struct mcast_group *group, int slave, u8 join_mask) @@ -564,8 +564,8 @@ static void mlx4_ib_mcg_timeout_handler(struct work_struct *work) } else mcg_warn_group(group, "DRIVER BUG\n"); } else if (group->state == MCAST_LEAVE_SENT) { - if (group->rec.scope_join_state & 7) - group->rec.scope_join_state &= 0xf8; + if (group->rec.scope_join_state & 0xf) + group->rec.scope_join_state &= 0xf0; group->state = MCAST_IDLE; mutex_unlock(&group->lock); if (release_group(group, 1)) @@ -605,7 +605,7 @@ static int handle_leave_req(struct mcast_group *group, u8 leave_mask, static int handle_join_req(struct mcast_group *group, u8 join_mask, struct mcast_req *req) { - u8 group_join_state = group->rec.scope_join_state & 7; + u8 group_join_state = group->rec.scope_join_state & 0xf; int ref = 0; u16 status; struct ib_sa_mcmember_data *sa_data = (struct ib_sa_mcmember_data *)req->sa_mad.data; @@ -690,8 +690,8 @@ static void mlx4_ib_mcg_work_handler(struct work_struct *work) u8 cur_join_state; resp_join_state = ((struct ib_sa_mcmember_data *) - group->response_sa_mad.data)->scope_join_state & 7; - cur_join_state = group->rec.scope_join_state & 7; + group->response_sa_mad.data)->scope_join_state & 0xf; + cur_join_state = group->rec.scope_join_state & 0xf; if (method == IB_MGMT_METHOD_GET_RESP) { /* successfull join */ @@ -710,7 +710,7 @@ process_requests: req = list_first_entry(&group->pending_list, struct mcast_req, group_list); sa_data = (struct ib_sa_mcmember_data *)req->sa_mad.data; - req_join_state = sa_data->scope_join_state & 0x7; + req_join_state = sa_data->scope_join_state & 0xf; /* For a leave request, we will immediately answer the VF, and * update our internal counters. The actual leave will be sent diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h index 7c5832ede4bd..686ab48ff644 100644 --- a/drivers/infiniband/hw/mlx4/mlx4_ib.h +++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h @@ -448,7 +448,7 @@ struct mlx4_ib_demux_ctx { struct workqueue_struct *wq; struct workqueue_struct *ud_wq; spinlock_t ud_lock; - __be64 subnet_prefix; + atomic64_t subnet_prefix; __be64 guid_cache[128]; struct mlx4_ib_dev *dev; /* the following lock protects both mcg_table and mcg_mgid0_list */ diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index 768085f59566..7fb9629bd12b 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -2493,24 +2493,27 @@ static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_ud_wr *wr, sqp->ud_header.grh.flow_label = ah->av.ib.sl_tclass_flowlabel & cpu_to_be32(0xfffff); sqp->ud_header.grh.hop_limit = ah->av.ib.hop_limit; - if (is_eth) + if (is_eth) { memcpy(sqp->ud_header.grh.source_gid.raw, sgid.raw, 16); - else { - if (mlx4_is_mfunc(to_mdev(ib_dev)->dev)) { - /* When multi-function is enabled, the ib_core gid - * indexes don't necessarily match the hw ones, so - * we must use our own cache */ - sqp->ud_header.grh.source_gid.global.subnet_prefix = - to_mdev(ib_dev)->sriov.demux[sqp->qp.port - 1]. - subnet_prefix; - sqp->ud_header.grh.source_gid.global.interface_id = - to_mdev(ib_dev)->sriov.demux[sqp->qp.port - 1]. - guid_cache[ah->av.ib.gid_index]; - } else - ib_get_cached_gid(ib_dev, - be32_to_cpu(ah->av.ib.port_pd) >> 24, - ah->av.ib.gid_index, - &sqp->ud_header.grh.source_gid, NULL); + } else { + if (mlx4_is_mfunc(to_mdev(ib_dev)->dev)) { + /* When multi-function is enabled, the ib_core gid + * indexes don't necessarily match the hw ones, so + * we must use our own cache + */ + sqp->ud_header.grh.source_gid.global.subnet_prefix = + cpu_to_be64(atomic64_read(&(to_mdev(ib_dev)->sriov. + demux[sqp->qp.port - 1]. + subnet_prefix))); + sqp->ud_header.grh.source_gid.global.interface_id = + to_mdev(ib_dev)->sriov.demux[sqp->qp.port - 1]. + guid_cache[ah->av.ib.gid_index]; + } else { + ib_get_cached_gid(ib_dev, + be32_to_cpu(ah->av.ib.port_pd) >> 24, + ah->av.ib.gid_index, + &sqp->ud_header.grh.source_gid, NULL); + } } memcpy(sqp->ud_header.grh.destination_gid.raw, ah->av.ib.dgid, 16); diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index 8150ea372c53..e19537cf44ab 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -288,7 +288,9 @@ __be16 mlx5_get_roce_udp_sport(struct mlx5_ib_dev *dev, u8 port_num, static int mlx5_use_mad_ifc(struct mlx5_ib_dev *dev) { - return !MLX5_CAP_GEN(dev->mdev, ib_virt); + if (MLX5_CAP_GEN(dev->mdev, port_type) == MLX5_CAP_PORT_TYPE_IB) + return !MLX5_CAP_GEN(dev->mdev, ib_virt); + return 0; } enum { @@ -1428,6 +1430,13 @@ static int parse_flow_attr(u32 *match_c, u32 *match_v, dmac_47_16), ib_spec->eth.val.dst_mac); + ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_c, + smac_47_16), + ib_spec->eth.mask.src_mac); + ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, outer_headers_v, + smac_47_16), + ib_spec->eth.val.src_mac); + if (ib_spec->eth.mask.vlan_tag) { MLX5_SET(fte_match_set_lyr_2_4, outer_headers_c, vlan_tag, 1); diff --git a/drivers/infiniband/sw/rdmavt/mr.c b/drivers/infiniband/sw/rdmavt/mr.c index 80c4b6b401b8..46b64970058e 100644 --- a/drivers/infiniband/sw/rdmavt/mr.c +++ b/drivers/infiniband/sw/rdmavt/mr.c @@ -294,7 +294,7 @@ static void __rvt_free_mr(struct rvt_mr *mr) { rvt_deinit_mregion(&mr->mr); rvt_free_lkey(&mr->mr); - vfree(mr); + kfree(mr); } /** diff --git a/drivers/infiniband/sw/rxe/rxe.c b/drivers/infiniband/sw/rxe/rxe.c index 55f0e8f0ca79..ddd59270ff6d 100644 --- a/drivers/infiniband/sw/rxe/rxe.c +++ b/drivers/infiniband/sw/rxe/rxe.c @@ -362,15 +362,34 @@ static int __init rxe_module_init(void) return err; } - err = rxe_net_init(); + err = rxe_net_ipv4_init(); if (err) { - pr_err("rxe: unable to init\n"); + pr_err("rxe: unable to init ipv4 tunnel\n"); rxe_cache_exit(); - return err; + goto exit; + } + + err = rxe_net_ipv6_init(); + if (err) { + pr_err("rxe: unable to init ipv6 tunnel\n"); + rxe_cache_exit(); + goto exit; } + + err = register_netdevice_notifier(&rxe_net_notifier); + if (err) { + pr_err("rxe: Failed to rigister netdev notifier\n"); + goto exit; + } + pr_info("rxe: loaded\n"); return 0; + +exit: + rxe_release_udp_tunnel(recv_sockets.sk4); + rxe_release_udp_tunnel(recv_sockets.sk6); + return err; } static void __exit rxe_module_exit(void) diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c index 36f67de44095..1c59ef2c67aa 100644 --- a/drivers/infiniband/sw/rxe/rxe_comp.c +++ b/drivers/infiniband/sw/rxe/rxe_comp.c @@ -689,7 +689,14 @@ int rxe_completer(void *arg) qp->req.need_retry = 1; rxe_run_task(&qp->req.task, 1); } + + if (pkt) { + rxe_drop_ref(pkt->qp); + kfree_skb(skb); + } + goto exit; + } else { wqe->status = IB_WC_RETRY_EXC_ERR; state = COMPST_ERROR; @@ -716,6 +723,12 @@ int rxe_completer(void *arg) case COMPST_ERROR: do_complete(qp, wqe); rxe_qp_error(qp); + + if (pkt) { + rxe_drop_ref(pkt->qp); + kfree_skb(skb); + } + goto exit; } } diff --git a/drivers/infiniband/sw/rxe/rxe_net.c b/drivers/infiniband/sw/rxe/rxe_net.c index 0b8d2ea8b41d..eedf2f1cafdf 100644 --- a/drivers/infiniband/sw/rxe/rxe_net.c +++ b/drivers/infiniband/sw/rxe/rxe_net.c @@ -275,9 +275,10 @@ static struct socket *rxe_setup_udp_tunnel(struct net *net, __be16 port, return sock; } -static void rxe_release_udp_tunnel(struct socket *sk) +void rxe_release_udp_tunnel(struct socket *sk) { - udp_tunnel_sock_release(sk); + if (sk) + udp_tunnel_sock_release(sk); } static void prepare_udp_hdr(struct sk_buff *skb, __be16 src_port, @@ -658,51 +659,45 @@ out: return NOTIFY_OK; } -static struct notifier_block rxe_net_notifier = { +struct notifier_block rxe_net_notifier = { .notifier_call = rxe_notify, }; -int rxe_net_init(void) +int rxe_net_ipv4_init(void) { - int err; - spin_lock_init(&dev_list_lock); - recv_sockets.sk6 = rxe_setup_udp_tunnel(&init_net, - htons(ROCE_V2_UDP_DPORT), true); - if (IS_ERR(recv_sockets.sk6)) { - recv_sockets.sk6 = NULL; - pr_err("rxe: Failed to create IPv6 UDP tunnel\n"); - return -1; - } - recv_sockets.sk4 = rxe_setup_udp_tunnel(&init_net, - htons(ROCE_V2_UDP_DPORT), false); + htons(ROCE_V2_UDP_DPORT), false); if (IS_ERR(recv_sockets.sk4)) { - rxe_release_udp_tunnel(recv_sockets.sk6); recv_sockets.sk4 = NULL; - recv_sockets.sk6 = NULL; pr_err("rxe: Failed to create IPv4 UDP tunnel\n"); return -1; } - err = register_netdevice_notifier(&rxe_net_notifier); - if (err) { - rxe_release_udp_tunnel(recv_sockets.sk6); - rxe_release_udp_tunnel(recv_sockets.sk4); - pr_err("rxe: Failed to rigister netdev notifier\n"); - } - - return err; + return 0; } -void rxe_net_exit(void) +int rxe_net_ipv6_init(void) { - if (recv_sockets.sk6) - rxe_release_udp_tunnel(recv_sockets.sk6); +#if IS_ENABLED(CONFIG_IPV6) - if (recv_sockets.sk4) - rxe_release_udp_tunnel(recv_sockets.sk4); + spin_lock_init(&dev_list_lock); + recv_sockets.sk6 = rxe_setup_udp_tunnel(&init_net, + htons(ROCE_V2_UDP_DPORT), true); + if (IS_ERR(recv_sockets.sk6)) { + recv_sockets.sk6 = NULL; + pr_err("rxe: Failed to create IPv6 UDP tunnel\n"); + return -1; + } +#endif + return 0; +} + +void rxe_net_exit(void) +{ + rxe_release_udp_tunnel(recv_sockets.sk6); + rxe_release_udp_tunnel(recv_sockets.sk4); unregister_netdevice_notifier(&rxe_net_notifier); } diff --git a/drivers/infiniband/sw/rxe/rxe_net.h b/drivers/infiniband/sw/rxe/rxe_net.h index 7b06f76d16cc..0daf7f09e5b5 100644 --- a/drivers/infiniband/sw/rxe/rxe_net.h +++ b/drivers/infiniband/sw/rxe/rxe_net.h @@ -44,10 +44,13 @@ struct rxe_recv_sockets { }; extern struct rxe_recv_sockets recv_sockets; +extern struct notifier_block rxe_net_notifier; +void rxe_release_udp_tunnel(struct socket *sk); struct rxe_dev *rxe_net_add(struct net_device *ndev); -int rxe_net_init(void); +int rxe_net_ipv4_init(void); +int rxe_net_ipv6_init(void); void rxe_net_exit(void); #endif /* RXE_NET_H */ diff --git a/drivers/infiniband/sw/rxe/rxe_recv.c b/drivers/infiniband/sw/rxe/rxe_recv.c index 3d464c23e08b..144d2f129fcd 100644 --- a/drivers/infiniband/sw/rxe/rxe_recv.c +++ b/drivers/infiniband/sw/rxe/rxe_recv.c @@ -312,7 +312,7 @@ static void rxe_rcv_mcast_pkt(struct rxe_dev *rxe, struct sk_buff *skb) * make a copy of the skb to post to the next qp */ skb_copy = (mce->qp_list.next != &mcg->qp_list) ? - skb_clone(skb, GFP_KERNEL) : NULL; + skb_clone(skb, GFP_ATOMIC) : NULL; pkt->qp = qp; rxe_add_ref(qp); diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c index 33b2d9d77021..13a848a518e8 100644 --- a/drivers/infiniband/sw/rxe/rxe_req.c +++ b/drivers/infiniband/sw/rxe/rxe_req.c @@ -511,24 +511,21 @@ static int fill_packet(struct rxe_qp *qp, struct rxe_send_wqe *wqe, } static void update_wqe_state(struct rxe_qp *qp, - struct rxe_send_wqe *wqe, - struct rxe_pkt_info *pkt, - enum wqe_state *prev_state) + struct rxe_send_wqe *wqe, + struct rxe_pkt_info *pkt) { - enum wqe_state prev_state_ = wqe->state; - if (pkt->mask & RXE_END_MASK) { if (qp_type(qp) == IB_QPT_RC) wqe->state = wqe_state_pending; } else { wqe->state = wqe_state_processing; } - - *prev_state = prev_state_; } -static void update_state(struct rxe_qp *qp, struct rxe_send_wqe *wqe, - struct rxe_pkt_info *pkt, int payload) +static void update_wqe_psn(struct rxe_qp *qp, + struct rxe_send_wqe *wqe, + struct rxe_pkt_info *pkt, + int payload) { /* number of packets left to send including current one */ int num_pkt = (wqe->dma.resid + payload + qp->mtu - 1) / qp->mtu; @@ -546,9 +543,34 @@ static void update_state(struct rxe_qp *qp, struct rxe_send_wqe *wqe, qp->req.psn = (wqe->first_psn + num_pkt) & BTH_PSN_MASK; else qp->req.psn = (qp->req.psn + 1) & BTH_PSN_MASK; +} - qp->req.opcode = pkt->opcode; +static void save_state(struct rxe_send_wqe *wqe, + struct rxe_qp *qp, + struct rxe_send_wqe *rollback_wqe, + struct rxe_qp *rollback_qp) +{ + rollback_wqe->state = wqe->state; + rollback_wqe->first_psn = wqe->first_psn; + rollback_wqe->last_psn = wqe->last_psn; + rollback_qp->req.psn = qp->req.psn; +} +static void rollback_state(struct rxe_send_wqe *wqe, + struct rxe_qp *qp, + struct rxe_send_wqe *rollback_wqe, + struct rxe_qp *rollback_qp) +{ + wqe->state = rollback_wqe->state; + wqe->first_psn = rollback_wqe->first_psn; + wqe->last_psn = rollback_wqe->last_psn; + qp->req.psn = rollback_qp->req.psn; +} + +static void update_state(struct rxe_qp *qp, struct rxe_send_wqe *wqe, + struct rxe_pkt_info *pkt, int payload) +{ + qp->req.opcode = pkt->opcode; if (pkt->mask & RXE_END_MASK) qp->req.wqe_index = next_index(qp->sq.queue, qp->req.wqe_index); @@ -571,7 +593,8 @@ int rxe_requester(void *arg) int mtu; int opcode; int ret; - enum wqe_state prev_state; + struct rxe_qp rollback_qp; + struct rxe_send_wqe rollback_wqe; next_wqe: if (unlikely(!qp->valid || qp->req.state == QP_STATE_ERROR)) @@ -688,13 +711,21 @@ next_wqe: goto err; } - update_wqe_state(qp, wqe, &pkt, &prev_state); + /* + * To prevent a race on wqe access between requester and completer, + * wqe members state and psn need to be set before calling + * rxe_xmit_packet(). + * Otherwise, completer might initiate an unjustified retry flow. + */ + save_state(wqe, qp, &rollback_wqe, &rollback_qp); + update_wqe_state(qp, wqe, &pkt); + update_wqe_psn(qp, wqe, &pkt, payload); ret = rxe_xmit_packet(to_rdev(qp->ibqp.device), qp, &pkt, skb); if (ret) { qp->need_req_skb = 1; kfree_skb(skb); - wqe->state = prev_state; + rollback_state(wqe, qp, &rollback_wqe, &rollback_qp); if (ret == -EAGAIN) { rxe_run_task(&qp->req.task, 1); diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c index ebb03b46e2ad..3e0f0f2baace 100644 --- a/drivers/infiniband/sw/rxe/rxe_resp.c +++ b/drivers/infiniband/sw/rxe/rxe_resp.c @@ -972,11 +972,13 @@ static int send_atomic_ack(struct rxe_qp *qp, struct rxe_pkt_info *pkt, free_rd_atomic_resource(qp, res); rxe_advance_resp_resource(qp); + memcpy(SKB_TO_PKT(skb), &ack_pkt, sizeof(skb->cb)); + res->type = RXE_ATOMIC_MASK; res->atomic.skb = skb; - res->first_psn = qp->resp.psn; - res->last_psn = qp->resp.psn; - res->cur_psn = qp->resp.psn; + res->first_psn = ack_pkt.psn; + res->last_psn = ack_pkt.psn; + res->cur_psn = ack_pkt.psn; rc = rxe_xmit_packet(rxe, qp, &ack_pkt, skb_copy); if (rc) { @@ -1116,8 +1118,7 @@ static enum resp_states duplicate_request(struct rxe_qp *qp, rc = RESPST_CLEANUP; goto out; } - bth_set_psn(SKB_TO_PKT(skb_copy), - qp->resp.psn - 1); + /* Resend the result. */ rc = rxe_xmit_packet(to_rdev(qp->ibqp.device), qp, pkt, skb_copy); diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c index dc6d241b9406..be11d5d5b8c1 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c @@ -1161,8 +1161,17 @@ static void __ipoib_ib_dev_flush(struct ipoib_dev_priv *priv, } if (level == IPOIB_FLUSH_LIGHT) { + int oper_up; ipoib_mark_paths_invalid(dev); + /* Set IPoIB operation as down to prevent races between: + * the flush flow which leaves MCG and on the fly joins + * which can happen during that time. mcast restart task + * should deal with join requests we missed. + */ + oper_up = test_and_clear_bit(IPOIB_FLAG_OPER_UP, &priv->flags); ipoib_mcast_dev_flush(dev); + if (oper_up) + set_bit(IPOIB_FLAG_OPER_UP, &priv->flags); ipoib_flush_ah(dev); } diff --git a/drivers/input/touchscreen/silead.c b/drivers/input/touchscreen/silead.c index b2744a64e933..f502c8488be8 100644 --- a/drivers/input/touchscreen/silead.c +++ b/drivers/input/touchscreen/silead.c @@ -390,9 +390,10 @@ static void silead_ts_read_props(struct i2c_client *client) data->max_fingers = 5; /* Most devices handle up-to 5 fingers */ } - error = device_property_read_string(dev, "touchscreen-fw-name", &str); + error = device_property_read_string(dev, "firmware-name", &str); if (!error) - snprintf(data->fw_name, sizeof(data->fw_name), "%s", str); + snprintf(data->fw_name, sizeof(data->fw_name), + "silead/%s", str); else dev_dbg(dev, "Firmware file name read error. Using default."); } @@ -410,14 +411,14 @@ static int silead_ts_set_default_fw_name(struct silead_ts_data *data, if (!acpi_id) return -ENODEV; - snprintf(data->fw_name, sizeof(data->fw_name), "%s.fw", - acpi_id->id); + snprintf(data->fw_name, sizeof(data->fw_name), + "silead/%s.fw", acpi_id->id); for (i = 0; i < strlen(data->fw_name); i++) data->fw_name[i] = tolower(data->fw_name[i]); } else { - snprintf(data->fw_name, sizeof(data->fw_name), "%s.fw", - id->name); + snprintf(data->fw_name, sizeof(data->fw_name), + "silead/%s.fw", id->name); } return 0; @@ -426,7 +427,8 @@ static int silead_ts_set_default_fw_name(struct silead_ts_data *data, static int silead_ts_set_default_fw_name(struct silead_ts_data *data, const struct i2c_device_id *id) { - snprintf(data->fw_name, sizeof(data->fw_name), "%s.fw", id->name); + snprintf(data->fw_name, sizeof(data->fw_name), + "silead/%s.fw", id->name); return 0; } #endif diff --git a/drivers/irqchip/irq-atmel-aic.c b/drivers/irqchip/irq-atmel-aic.c index 112e17c2768b..37f952dd9fc9 100644 --- a/drivers/irqchip/irq-atmel-aic.c +++ b/drivers/irqchip/irq-atmel-aic.c @@ -176,6 +176,7 @@ static int aic_irq_domain_xlate(struct irq_domain *d, { struct irq_domain_chip_generic *dgc = d->gc; struct irq_chip_generic *gc; + unsigned long flags; unsigned smr; int idx; int ret; @@ -194,11 +195,11 @@ static int aic_irq_domain_xlate(struct irq_domain *d, gc = dgc->gc[idx]; - irq_gc_lock(gc); + irq_gc_lock_irqsave(gc, flags); smr = irq_reg_readl(gc, AT91_AIC_SMR(*out_hwirq)); aic_common_set_priority(intspec[2], &smr); irq_reg_writel(gc, smr, AT91_AIC_SMR(*out_hwirq)); - irq_gc_unlock(gc); + irq_gc_unlock_irqrestore(gc, flags); return ret; } diff --git a/drivers/irqchip/irq-atmel-aic5.c b/drivers/irqchip/irq-atmel-aic5.c index 4f0d068e1abe..2a624d87a035 100644 --- a/drivers/irqchip/irq-atmel-aic5.c +++ b/drivers/irqchip/irq-atmel-aic5.c @@ -258,6 +258,7 @@ static int aic5_irq_domain_xlate(struct irq_domain *d, unsigned int *out_type) { struct irq_chip_generic *bgc = irq_get_domain_generic_chip(d, 0); + unsigned long flags; unsigned smr; int ret; @@ -269,12 +270,12 @@ static int aic5_irq_domain_xlate(struct irq_domain *d, if (ret) return ret; - irq_gc_lock(bgc); + irq_gc_lock_irqsave(bgc, flags); irq_reg_writel(bgc, *out_hwirq, AT91_AIC5_SSR); smr = irq_reg_readl(bgc, AT91_AIC5_SMR); aic_common_set_priority(intspec[2], &smr); irq_reg_writel(bgc, smr, AT91_AIC5_SMR); - irq_gc_unlock(bgc); + irq_gc_unlock_irqrestore(bgc, flags); return ret; } diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c index ede5672ab34d..da6c0ba61d4f 100644 --- a/drivers/irqchip/irq-gic-v3.c +++ b/drivers/irqchip/irq-gic-v3.c @@ -548,7 +548,7 @@ static int gic_starting_cpu(unsigned int cpu) static u16 gic_compute_target_list(int *base_cpu, const struct cpumask *mask, unsigned long cluster_id) { - int cpu = *base_cpu; + int next_cpu, cpu = *base_cpu; unsigned long mpidr = cpu_logical_map(cpu); u16 tlist = 0; @@ -562,9 +562,10 @@ static u16 gic_compute_target_list(int *base_cpu, const struct cpumask *mask, tlist |= 1 << (mpidr & 0xf); - cpu = cpumask_next(cpu, mask); - if (cpu >= nr_cpu_ids) + next_cpu = cpumask_next(cpu, mask); + if (next_cpu >= nr_cpu_ids) goto out; + cpu = next_cpu; mpidr = cpu_logical_map(cpu); diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index 83f498393a7f..6185696405d5 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -638,27 +638,6 @@ static int gic_local_irq_domain_map(struct irq_domain *d, unsigned int virq, if (!gic_local_irq_is_routable(intr)) return -EPERM; - /* - * HACK: These are all really percpu interrupts, but the rest - * of the MIPS kernel code does not use the percpu IRQ API for - * the CP0 timer and performance counter interrupts. - */ - switch (intr) { - case GIC_LOCAL_INT_TIMER: - case GIC_LOCAL_INT_PERFCTR: - case GIC_LOCAL_INT_FDC: - irq_set_chip_and_handler(virq, - &gic_all_vpes_local_irq_controller, - handle_percpu_irq); - break; - default: - irq_set_chip_and_handler(virq, - &gic_local_irq_controller, - handle_percpu_devid_irq); - irq_set_percpu_devid(virq); - break; - } - spin_lock_irqsave(&gic_lock, flags); for (i = 0; i < gic_vpes; i++) { u32 val = GIC_MAP_TO_PIN_MSK | gic_cpu_pin; @@ -724,16 +703,42 @@ static int gic_shared_irq_domain_map(struct irq_domain *d, unsigned int virq, return 0; } -static int gic_irq_domain_map(struct irq_domain *d, unsigned int virq, - irq_hw_number_t hw) +static int gic_setup_dev_chip(struct irq_domain *d, unsigned int virq, + unsigned int hwirq) { - if (GIC_HWIRQ_TO_LOCAL(hw) < GIC_NUM_LOCAL_INTRS) - return gic_local_irq_domain_map(d, virq, hw); + struct irq_chip *chip; + int err; + + if (hwirq >= GIC_SHARED_HWIRQ_BASE) { + err = irq_domain_set_hwirq_and_chip(d, virq, hwirq, + &gic_level_irq_controller, + NULL); + } else { + switch (GIC_HWIRQ_TO_LOCAL(hwirq)) { + case GIC_LOCAL_INT_TIMER: + case GIC_LOCAL_INT_PERFCTR: + case GIC_LOCAL_INT_FDC: + /* + * HACK: These are all really percpu interrupts, but + * the rest of the MIPS kernel code does not use the + * percpu IRQ API for them. + */ + chip = &gic_all_vpes_local_irq_controller; + irq_set_handler(virq, handle_percpu_irq); + break; + + default: + chip = &gic_local_irq_controller; + irq_set_handler(virq, handle_percpu_devid_irq); + irq_set_percpu_devid(virq); + break; + } - irq_set_chip_and_handler(virq, &gic_level_irq_controller, - handle_level_irq); + err = irq_domain_set_hwirq_and_chip(d, virq, hwirq, + chip, NULL); + } - return gic_shared_irq_domain_map(d, virq, hw, 0); + return err; } static int gic_irq_domain_alloc(struct irq_domain *d, unsigned int virq, @@ -744,15 +749,12 @@ static int gic_irq_domain_alloc(struct irq_domain *d, unsigned int virq, int cpu, ret, i; if (spec->type == GIC_DEVICE) { - /* verify that it doesn't conflict with an IPI irq */ - if (test_bit(spec->hwirq, ipi_resrv)) + /* verify that shared irqs don't conflict with an IPI irq */ + if ((spec->hwirq >= GIC_SHARED_HWIRQ_BASE) && + test_bit(GIC_HWIRQ_TO_SHARED(spec->hwirq), ipi_resrv)) return -EBUSY; - hwirq = GIC_SHARED_TO_HWIRQ(spec->hwirq); - - return irq_domain_set_hwirq_and_chip(d, virq, hwirq, - &gic_level_irq_controller, - NULL); + return gic_setup_dev_chip(d, virq, spec->hwirq); } else { base_hwirq = find_first_bit(ipi_resrv, gic_shared_intrs); if (base_hwirq == gic_shared_intrs) { @@ -821,7 +823,6 @@ int gic_irq_domain_match(struct irq_domain *d, struct device_node *node, } static const struct irq_domain_ops gic_irq_domain_ops = { - .map = gic_irq_domain_map, .alloc = gic_irq_domain_alloc, .free = gic_irq_domain_free, .match = gic_irq_domain_match, @@ -852,29 +853,20 @@ static int gic_dev_domain_alloc(struct irq_domain *d, unsigned int virq, struct irq_fwspec *fwspec = arg; struct gic_irq_spec spec = { .type = GIC_DEVICE, - .hwirq = fwspec->param[1], }; int i, ret; - bool is_shared = fwspec->param[0] == GIC_SHARED; - if (is_shared) { - ret = irq_domain_alloc_irqs_parent(d, virq, nr_irqs, &spec); - if (ret) - return ret; - } - - for (i = 0; i < nr_irqs; i++) { - irq_hw_number_t hwirq; + if (fwspec->param[0] == GIC_SHARED) + spec.hwirq = GIC_SHARED_TO_HWIRQ(fwspec->param[1]); + else + spec.hwirq = GIC_LOCAL_TO_HWIRQ(fwspec->param[1]); - if (is_shared) - hwirq = GIC_SHARED_TO_HWIRQ(spec.hwirq + i); - else - hwirq = GIC_LOCAL_TO_HWIRQ(spec.hwirq + i); + ret = irq_domain_alloc_irqs_parent(d, virq, nr_irqs, &spec); + if (ret) + return ret; - ret = irq_domain_set_hwirq_and_chip(d, virq + i, - hwirq, - &gic_level_irq_controller, - NULL); + for (i = 0; i < nr_irqs; i++) { + ret = gic_setup_dev_chip(d, virq + i, spec.hwirq + i); if (ret) goto error; } @@ -896,7 +888,10 @@ void gic_dev_domain_free(struct irq_domain *d, unsigned int virq, static void gic_dev_domain_activate(struct irq_domain *domain, struct irq_data *d) { - gic_shared_irq_domain_map(domain, d->irq, d->hwirq, 0); + if (GIC_HWIRQ_TO_LOCAL(d->hwirq) < GIC_NUM_LOCAL_INTRS) + gic_local_irq_domain_map(domain, d->irq, d->hwirq); + else + gic_shared_irq_domain_map(domain, d->irq, d->hwirq, 0); } static struct irq_domain_ops gic_dev_domain_ops = { diff --git a/drivers/md/md.c b/drivers/md/md.c index 67642bacd597..915e84d631a2 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -7610,16 +7610,12 @@ EXPORT_SYMBOL(unregister_md_cluster_operations); int md_setup_cluster(struct mddev *mddev, int nodes) { - int err; - - err = request_module("md-cluster"); - if (err) { - pr_err("md-cluster module not found.\n"); - return -ENOENT; - } - + if (!md_cluster_ops) + request_module("md-cluster"); spin_lock(&pers_lock); + /* ensure module won't be unloaded */ if (!md_cluster_ops || !try_module_get(md_cluster_mod)) { + pr_err("can't find md-cluster module or get it's reference.\n"); spin_unlock(&pers_lock); return -ENOENT; } diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c index 51f76ddbe265..1b1ab4a1d132 100644 --- a/drivers/md/raid5-cache.c +++ b/drivers/md/raid5-cache.c @@ -96,7 +96,6 @@ struct r5l_log { spinlock_t no_space_stripes_lock; bool need_cache_flush; - bool in_teardown; }; /* @@ -704,31 +703,22 @@ static void r5l_write_super_and_discard_space(struct r5l_log *log, mddev = log->rdev->mddev; /* - * This is to avoid a deadlock. r5l_quiesce holds reconfig_mutex and - * wait for this thread to finish. This thread waits for - * MD_CHANGE_PENDING clear, which is supposed to be done in - * md_check_recovery(). md_check_recovery() tries to get - * reconfig_mutex. Since r5l_quiesce already holds the mutex, - * md_check_recovery() fails, so the PENDING never get cleared. The - * in_teardown check workaround this issue. + * Discard could zero data, so before discard we must make sure + * superblock is updated to new log tail. Updating superblock (either + * directly call md_update_sb() or depend on md thread) must hold + * reconfig mutex. On the other hand, raid5_quiesce is called with + * reconfig_mutex hold. The first step of raid5_quiesce() is waitting + * for all IO finish, hence waitting for reclaim thread, while reclaim + * thread is calling this function and waitting for reconfig mutex. So + * there is a deadlock. We workaround this issue with a trylock. + * FIXME: we could miss discard if we can't take reconfig mutex */ - if (!log->in_teardown) { - set_mask_bits(&mddev->flags, 0, - BIT(MD_CHANGE_DEVS) | BIT(MD_CHANGE_PENDING)); - md_wakeup_thread(mddev->thread); - wait_event(mddev->sb_wait, - !test_bit(MD_CHANGE_PENDING, &mddev->flags) || - log->in_teardown); - /* - * r5l_quiesce could run after in_teardown check and hold - * mutex first. Superblock might get updated twice. - */ - if (log->in_teardown) - md_update_sb(mddev, 1); - } else { - WARN_ON(!mddev_is_locked(mddev)); - md_update_sb(mddev, 1); - } + set_mask_bits(&mddev->flags, 0, + BIT(MD_CHANGE_DEVS) | BIT(MD_CHANGE_PENDING)); + if (!mddev_trylock(mddev)) + return; + md_update_sb(mddev, 1); + mddev_unlock(mddev); /* discard IO error really doesn't matter, ignore it */ if (log->last_checkpoint < end) { @@ -827,7 +817,6 @@ void r5l_quiesce(struct r5l_log *log, int state) if (!log || state == 2) return; if (state == 0) { - log->in_teardown = 0; /* * This is a special case for hotadd. In suspend, the array has * no journal. In resume, journal is initialized as well as the @@ -838,11 +827,6 @@ void r5l_quiesce(struct r5l_log *log, int state) log->reclaim_thread = md_register_thread(r5l_reclaim_thread, log->rdev->mddev, "reclaim"); } else if (state == 1) { - /* - * at this point all stripes are finished, so io_unit is at - * least in STRIPE_END state - */ - log->in_teardown = 1; /* make sure r5l_write_super_and_discard_space exits */ mddev = log->rdev->mddev; wake_up(&mddev->sb_wait); diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index da583bb43c84..ee7fc3701700 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -2423,10 +2423,10 @@ static void raid5_end_read_request(struct bio * bi) } } rdev_dec_pending(rdev, conf->mddev); + bio_reset(bi); clear_bit(R5_LOCKED, &sh->dev[i].flags); set_bit(STRIPE_HANDLE, &sh->state); raid5_release_stripe(sh); - bio_reset(bi); } static void raid5_end_write_request(struct bio *bi) @@ -2498,6 +2498,7 @@ static void raid5_end_write_request(struct bio *bi) if (sh->batch_head && bi->bi_error && !replacement) set_bit(STRIPE_BATCH_ERR, &sh->batch_head->state); + bio_reset(bi); if (!test_and_clear_bit(R5_DOUBLE_LOCKED, &sh->dev[i].flags)) clear_bit(R5_LOCKED, &sh->dev[i].flags); set_bit(STRIPE_HANDLE, &sh->state); @@ -2505,7 +2506,6 @@ static void raid5_end_write_request(struct bio *bi) if (sh->batch_head && sh != sh->batch_head) raid5_release_stripe(sh->batch_head); - bio_reset(bi); } static void raid5_build_block(struct stripe_head *sh, int i, int previous) @@ -6639,6 +6639,16 @@ static struct r5conf *setup_conf(struct mddev *mddev) } conf->min_nr_stripes = NR_STRIPES; + if (mddev->reshape_position != MaxSector) { + int stripes = max_t(int, + ((mddev->chunk_sectors << 9) / STRIPE_SIZE) * 4, + ((mddev->new_chunk_sectors << 9) / STRIPE_SIZE) * 4); + conf->min_nr_stripes = max(NR_STRIPES, stripes); + if (conf->min_nr_stripes != NR_STRIPES) + printk(KERN_INFO + "md/raid:%s: force stripe size %d for reshape\n", + mdname(mddev), conf->min_nr_stripes); + } memory = conf->min_nr_stripes * (sizeof(struct stripe_head) + max_disks * ((sizeof(struct bio) + PAGE_SIZE))) / 1024; atomic_set(&conf->empty_inactive_list_nr, NR_STRIPE_HASH_LOCKS); diff --git a/drivers/media/cec-edid.c b/drivers/media/cec-edid.c index 70018247bdda..5719b991e340 100644 --- a/drivers/media/cec-edid.c +++ b/drivers/media/cec-edid.c @@ -70,7 +70,10 @@ static unsigned int cec_get_edid_spa_location(const u8 *edid, unsigned int size) u8 tag = edid[i] >> 5; u8 len = edid[i] & 0x1f; - if (tag == 3 && len >= 5 && i + len <= end) + if (tag == 3 && len >= 5 && i + len <= end && + edid[i + 1] == 0x03 && + edid[i + 2] == 0x0c && + edid[i + 3] == 0x00) return i + 4; i += len + 1; } while (i < end); diff --git a/drivers/media/pci/cx23885/cx23885-417.c b/drivers/media/pci/cx23885/cx23885-417.c index efec2d1a7afd..4d080da7afaf 100644 --- a/drivers/media/pci/cx23885/cx23885-417.c +++ b/drivers/media/pci/cx23885/cx23885-417.c @@ -1552,6 +1552,7 @@ int cx23885_417_register(struct cx23885_dev *dev) q->mem_ops = &vb2_dma_sg_memops; q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; q->lock = &dev->lock; + q->dev = &dev->pci->dev; err = vb2_queue_init(q); if (err < 0) diff --git a/drivers/media/pci/saa7134/saa7134-dvb.c b/drivers/media/pci/saa7134/saa7134-dvb.c index db987e5b93eb..59a4b5f7724e 100644 --- a/drivers/media/pci/saa7134/saa7134-dvb.c +++ b/drivers/media/pci/saa7134/saa7134-dvb.c @@ -1238,6 +1238,7 @@ static int dvb_init(struct saa7134_dev *dev) q->buf_struct_size = sizeof(struct saa7134_buf); q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; q->lock = &dev->lock; + q->dev = &dev->pci->dev; ret = vb2_queue_init(q); if (ret) { vb2_dvb_dealloc_frontends(&dev->frontends); diff --git a/drivers/media/pci/saa7134/saa7134-empress.c b/drivers/media/pci/saa7134/saa7134-empress.c index ca417a454d67..791a5161809b 100644 --- a/drivers/media/pci/saa7134/saa7134-empress.c +++ b/drivers/media/pci/saa7134/saa7134-empress.c @@ -295,6 +295,7 @@ static int empress_init(struct saa7134_dev *dev) q->buf_struct_size = sizeof(struct saa7134_buf); q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; q->lock = &dev->lock; + q->dev = &dev->pci->dev; err = vb2_queue_init(q); if (err) return err; diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig index f25344bc7912..552b635cfce7 100644 --- a/drivers/media/platform/Kconfig +++ b/drivers/media/platform/Kconfig @@ -169,7 +169,7 @@ config VIDEO_MEDIATEK_VPU config VIDEO_MEDIATEK_VCODEC tristate "Mediatek Video Codec driver" depends on MTK_IOMMU || COMPILE_TEST - depends on VIDEO_DEV && VIDEO_V4L2 + depends on VIDEO_DEV && VIDEO_V4L2 && HAS_DMA depends on ARCH_MEDIATEK || COMPILE_TEST select VIDEOBUF2_DMA_CONTIG select V4L2_MEM2MEM_DEV diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h index 94f0a425be42..3a8e6958adae 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h @@ -23,7 +23,6 @@ #include <media/v4l2-ioctl.h> #include <media/videobuf2-core.h> -#include "mtk_vcodec_util.h" #define MTK_VCODEC_DRV_NAME "mtk_vcodec_drv" #define MTK_VCODEC_ENC_NAME "mtk-vcodec-enc" diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c index 3ed3f2d31df5..2c5719ac23b2 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c @@ -487,7 +487,6 @@ static int vidioc_venc_s_fmt_out(struct file *file, void *priv, struct mtk_q_data *q_data; int ret, i; struct mtk_video_fmt *fmt; - unsigned int pitch_w_div16; struct v4l2_pix_format_mplane *pix_fmt_mp = &f->fmt.pix_mp; vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type); @@ -530,15 +529,6 @@ static int vidioc_venc_s_fmt_out(struct file *file, void *priv, q_data->coded_width = f->fmt.pix_mp.width; q_data->coded_height = f->fmt.pix_mp.height; - pitch_w_div16 = DIV_ROUND_UP(q_data->visible_width, 16); - if (pitch_w_div16 % 8 != 0) { - /* Adjust returned width/height, so application could correctly - * allocate hw required memory - */ - q_data->visible_height += 32; - vidioc_try_fmt(f, q_data->fmt); - } - q_data->field = f->fmt.pix_mp.field; ctx->colorspace = f->fmt.pix_mp.colorspace; ctx->ycbcr_enc = f->fmt.pix_mp.ycbcr_enc; @@ -878,7 +868,8 @@ static int mtk_venc_encode_header(void *priv) { struct mtk_vcodec_ctx *ctx = priv; int ret; - struct vb2_buffer *dst_buf; + struct vb2_buffer *src_buf, *dst_buf; + struct vb2_v4l2_buffer *dst_vb2_v4l2, *src_vb2_v4l2; struct mtk_vcodec_mem bs_buf; struct venc_done_result enc_result; @@ -911,6 +902,15 @@ static int mtk_venc_encode_header(void *priv) mtk_v4l2_err("venc_if_encode failed=%d", ret); return -EINVAL; } + src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx); + if (src_buf) { + src_vb2_v4l2 = to_vb2_v4l2_buffer(src_buf); + dst_vb2_v4l2 = to_vb2_v4l2_buffer(dst_buf); + dst_buf->timestamp = src_buf->timestamp; + dst_vb2_v4l2->timecode = src_vb2_v4l2->timecode; + } else { + mtk_v4l2_err("No timestamp for the header buffer."); + } ctx->state = MTK_STATE_HEADER; dst_buf->planes[0].bytesused = enc_result.bs_size; @@ -1003,7 +1003,7 @@ static void mtk_venc_worker(struct work_struct *work) struct mtk_vcodec_mem bs_buf; struct venc_done_result enc_result; int ret, i; - struct vb2_v4l2_buffer *vb2_v4l2; + struct vb2_v4l2_buffer *dst_vb2_v4l2, *src_vb2_v4l2; /* check dst_buf, dst_buf may be removed in device_run * to stored encdoe header so we need check dst_buf and @@ -1043,9 +1043,14 @@ static void mtk_venc_worker(struct work_struct *work) ret = venc_if_encode(ctx, VENC_START_OPT_ENCODE_FRAME, &frm_buf, &bs_buf, &enc_result); - vb2_v4l2 = container_of(dst_buf, struct vb2_v4l2_buffer, vb2_buf); + src_vb2_v4l2 = to_vb2_v4l2_buffer(src_buf); + dst_vb2_v4l2 = to_vb2_v4l2_buffer(dst_buf); + + dst_buf->timestamp = src_buf->timestamp; + dst_vb2_v4l2->timecode = src_vb2_v4l2->timecode; + if (enc_result.is_key_frm) - vb2_v4l2->flags |= V4L2_BUF_FLAG_KEYFRAME; + dst_vb2_v4l2->flags |= V4L2_BUF_FLAG_KEYFRAME; if (ret) { v4l2_m2m_buf_done(to_vb2_v4l2_buffer(src_buf), @@ -1217,7 +1222,7 @@ int mtk_vcodec_enc_ctrls_setup(struct mtk_vcodec_ctx *ctx) 0, V4L2_MPEG_VIDEO_HEADER_MODE_SEPARATE); v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_MPEG_VIDEO_H264_PROFILE, V4L2_MPEG_VIDEO_H264_PROFILE_HIGH, - 0, V4L2_MPEG_VIDEO_H264_PROFILE_MAIN); + 0, V4L2_MPEG_VIDEO_H264_PROFILE_HIGH); v4l2_ctrl_new_std_menu(handler, ops, V4L2_CID_MPEG_VIDEO_H264_LEVEL, V4L2_MPEG_VIDEO_H264_LEVEL_4_2, 0, V4L2_MPEG_VIDEO_H264_LEVEL_4_0); @@ -1288,5 +1293,10 @@ int mtk_venc_lock(struct mtk_vcodec_ctx *ctx) void mtk_vcodec_enc_release(struct mtk_vcodec_ctx *ctx) { - venc_if_deinit(ctx); + int ret = venc_if_deinit(ctx); + + if (ret) + mtk_v4l2_err("venc_if_deinit failed=%d", ret); + + ctx->state = MTK_STATE_FREE; } diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c index c7806ecda2dd..5cd2151431bf 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c @@ -218,11 +218,15 @@ static int fops_vcodec_release(struct file *file) mtk_v4l2_debug(1, "[%d] encoder", ctx->id); mutex_lock(&dev->dev_mutex); + /* + * Call v4l2_m2m_ctx_release to make sure the worker thread is not + * running after venc_if_deinit. + */ + v4l2_m2m_ctx_release(ctx->m2m_ctx); mtk_vcodec_enc_release(ctx); v4l2_fh_del(&ctx->fh); v4l2_fh_exit(&ctx->fh); v4l2_ctrl_handler_free(&ctx->ctrl_hdl); - v4l2_m2m_ctx_release(ctx->m2m_ctx); list_del_init(&ctx->list); dev->num_instances--; diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.h index 33e890f5aa9c..12131855b46a 100644 --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.h +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_intr.h @@ -16,7 +16,6 @@ #define _MTK_VCODEC_INTR_H_ #define MTK_INST_IRQ_RECEIVED 0x1 -#define MTK_INST_WORK_THREAD_ABORT_DONE 0x2 struct mtk_vcodec_ctx; diff --git a/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c b/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c index 9a600525b3c1..63d4be4ff327 100644 --- a/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c +++ b/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c @@ -61,6 +61,8 @@ enum venc_h264_bs_mode { /* * struct venc_h264_vpu_config - Structure for h264 encoder configuration + * AP-W/R : AP is writer/reader on this item + * VPU-W/R: VPU is write/reader on this item * @input_fourcc: input fourcc * @bitrate: target bitrate (in bps) * @pic_w: picture width. Picture size is visible stream resolution, in pixels, @@ -94,13 +96,13 @@ struct venc_h264_vpu_config { /* * struct venc_h264_vpu_buf - Structure for buffer information - * @align: buffer alignment (in bytes) + * AP-W/R : AP is writer/reader on this item + * VPU-W/R: VPU is write/reader on this item * @iova: IO virtual address * @vpua: VPU side memory addr which is used by RC_CODE * @size: buffer size (in bytes) */ struct venc_h264_vpu_buf { - u32 align; u32 iova; u32 vpua; u32 size; @@ -108,6 +110,8 @@ struct venc_h264_vpu_buf { /* * struct venc_h264_vsi - Structure for VPU driver control and info share + * AP-W/R : AP is writer/reader on this item + * VPU-W/R: VPU is write/reader on this item * This structure is allocated in VPU side and shared to AP side. * @config: h264 encoder configuration * @work_bufs: working buffer information in VPU side @@ -150,12 +154,6 @@ struct venc_h264_inst { struct mtk_vcodec_ctx *ctx; }; -static inline void h264_write_reg(struct venc_h264_inst *inst, u32 addr, - u32 val) -{ - writel(val, inst->hw_base + addr); -} - static inline u32 h264_read_reg(struct venc_h264_inst *inst, u32 addr) { return readl(inst->hw_base + addr); @@ -214,6 +212,8 @@ static unsigned int h264_get_level(struct venc_h264_inst *inst, return 40; case V4L2_MPEG_VIDEO_H264_LEVEL_4_1: return 41; + case V4L2_MPEG_VIDEO_H264_LEVEL_4_2: + return 42; default: mtk_vcodec_debug(inst, "unsupported level %d", level); return 31; diff --git a/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c b/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c index 60bbcd2a0510..6d9758479f9a 100644 --- a/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c +++ b/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c @@ -56,6 +56,8 @@ enum venc_vp8_vpu_work_buf { /* * struct venc_vp8_vpu_config - Structure for vp8 encoder configuration + * AP-W/R : AP is writer/reader on this item + * VPU-W/R: VPU is write/reader on this item * @input_fourcc: input fourcc * @bitrate: target bitrate (in bps) * @pic_w: picture width. Picture size is visible stream resolution, in pixels, @@ -83,14 +85,14 @@ struct venc_vp8_vpu_config { }; /* - * struct venc_vp8_vpu_buf -Structure for buffer information - * @align: buffer alignment (in bytes) + * struct venc_vp8_vpu_buf - Structure for buffer information + * AP-W/R : AP is writer/reader on this item + * VPU-W/R: VPU is write/reader on this item * @iova: IO virtual address * @vpua: VPU side memory addr which is used by RC_CODE * @size: buffer size (in bytes) */ struct venc_vp8_vpu_buf { - u32 align; u32 iova; u32 vpua; u32 size; @@ -98,6 +100,8 @@ struct venc_vp8_vpu_buf { /* * struct venc_vp8_vsi - Structure for VPU driver control and info share + * AP-W/R : AP is writer/reader on this item + * VPU-W/R: VPU is write/reader on this item * This structure is allocated in VPU side and shared to AP side. * @config: vp8 encoder configuration * @work_bufs: working buffer information in VPU side @@ -138,12 +142,6 @@ struct venc_vp8_inst { struct mtk_vcodec_ctx *ctx; }; -static inline void vp8_enc_write_reg(struct venc_vp8_inst *inst, u32 addr, - u32 val) -{ - writel(val, inst->hw_base + addr); -} - static inline u32 vp8_enc_read_reg(struct venc_vp8_inst *inst, u32 addr) { return readl(inst->hw_base + addr); diff --git a/drivers/media/platform/rcar-fcp.c b/drivers/media/platform/rcar-fcp.c index 6a7bcc3028b1..bc50c69ee0c5 100644 --- a/drivers/media/platform/rcar-fcp.c +++ b/drivers/media/platform/rcar-fcp.c @@ -99,10 +99,16 @@ EXPORT_SYMBOL_GPL(rcar_fcp_put); */ int rcar_fcp_enable(struct rcar_fcp_device *fcp) { + int error; + if (!fcp) return 0; - return pm_runtime_get_sync(fcp->dev); + error = pm_runtime_get_sync(fcp->dev); + if (error < 0) + return error; + + return 0; } EXPORT_SYMBOL_GPL(rcar_fcp_enable); diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 32380d5d4f6b..767af2026f8b 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -1112,11 +1112,12 @@ static void dw_mci_setup_bus(struct dw_mci_slot *slot, bool force_clkinit) div = (host->bus_hz != clock) ? DIV_ROUND_UP(div, 2) : 0; - dev_info(&slot->mmc->class_dev, - "Bus speed (slot %d) = %dHz (slot req %dHz, actual %dHZ div = %d)\n", - slot->id, host->bus_hz, clock, - div ? ((host->bus_hz / div) >> 1) : - host->bus_hz, div); + if (clock != slot->__clk_old || force_clkinit) + dev_info(&slot->mmc->class_dev, + "Bus speed (slot %d) = %dHz (slot req %dHz, actual %dHZ div = %d)\n", + slot->id, host->bus_hz, clock, + div ? ((host->bus_hz / div) >> 1) : + host->bus_hz, div); /* disable clock */ mci_writel(host, CLKENA, 0); @@ -1139,6 +1140,9 @@ static void dw_mci_setup_bus(struct dw_mci_slot *slot, bool force_clkinit) /* inform CIU */ mci_send_cmd(slot, sdmmc_cmd_bits, 0); + + /* keep the last clock value that was requested from core */ + slot->__clk_old = clock; } host->current_speed = clock; diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h index 9e740bc232a8..e8cd2dec3263 100644 --- a/drivers/mmc/host/dw_mmc.h +++ b/drivers/mmc/host/dw_mmc.h @@ -249,6 +249,8 @@ extern int dw_mci_resume(struct dw_mci *host); * @queue_node: List node for placing this node in the @queue list of * &struct dw_mci. * @clock: Clock rate configured by set_ios(). Protected by host->lock. + * @__clk_old: The last clock value that was requested from core. + * Keeping track of this helps us to avoid spamming the console. * @flags: Random state bits associated with the slot. * @id: Number of this slot. * @sdio_id: Number of this slot in the SDIO interrupt registers. @@ -263,6 +265,7 @@ struct dw_mci_slot { struct list_head queue_node; unsigned int clock; + unsigned int __clk_old; unsigned long flags; #define DW_MMC_CARD_PRESENT 0 diff --git a/drivers/mmc/host/omap.c b/drivers/mmc/host/omap.c index f23d65eb070d..be3c49fa7382 100644 --- a/drivers/mmc/host/omap.c +++ b/drivers/mmc/host/omap.c @@ -1016,14 +1016,16 @@ mmc_omap_prepare_data(struct mmc_omap_host *host, struct mmc_request *req) /* Only reconfigure if we have a different burst size */ if (*bp != burst) { - struct dma_slave_config cfg; - - cfg.src_addr = host->phys_base + OMAP_MMC_REG(host, DATA); - cfg.dst_addr = host->phys_base + OMAP_MMC_REG(host, DATA); - cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES; - cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES; - cfg.src_maxburst = burst; - cfg.dst_maxburst = burst; + struct dma_slave_config cfg = { + .src_addr = host->phys_base + + OMAP_MMC_REG(host, DATA), + .dst_addr = host->phys_base + + OMAP_MMC_REG(host, DATA), + .src_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES, + .dst_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES, + .src_maxburst = burst, + .dst_maxburst = burst, + }; if (dmaengine_slave_config(c, &cfg)) goto use_pio; diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index 24ebc9a8de89..5f2f24a7360d 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -1409,11 +1409,18 @@ static int omap_hsmmc_pre_dma_transfer(struct omap_hsmmc_host *host, static int omap_hsmmc_setup_dma_transfer(struct omap_hsmmc_host *host, struct mmc_request *req) { - struct dma_slave_config cfg; struct dma_async_tx_descriptor *tx; int ret = 0, i; struct mmc_data *data = req->data; struct dma_chan *chan; + struct dma_slave_config cfg = { + .src_addr = host->mapbase + OMAP_HSMMC_DATA, + .dst_addr = host->mapbase + OMAP_HSMMC_DATA, + .src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES, + .dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES, + .src_maxburst = data->blksz / 4, + .dst_maxburst = data->blksz / 4, + }; /* Sanity check: all the SG entries must be aligned by block size. */ for (i = 0; i < data->sg_len; i++) { @@ -1433,13 +1440,6 @@ static int omap_hsmmc_setup_dma_transfer(struct omap_hsmmc_host *host, chan = omap_hsmmc_get_dma_chan(host, data); - cfg.src_addr = host->mapbase + OMAP_HSMMC_DATA; - cfg.dst_addr = host->mapbase + OMAP_HSMMC_DATA; - cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; - cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES; - cfg.src_maxburst = data->blksz / 4; - cfg.dst_maxburst = data->blksz / 4; - ret = dmaengine_slave_config(chan, &cfg); if (ret) return ret; diff --git a/drivers/mmc/host/sdhci-st.c b/drivers/mmc/host/sdhci-st.c index c95ba83366a0..ed92ce729dde 100644 --- a/drivers/mmc/host/sdhci-st.c +++ b/drivers/mmc/host/sdhci-st.c @@ -28,6 +28,7 @@ struct st_mmc_platform_data { struct reset_control *rstc; + struct clk *icnclk; void __iomem *top_ioaddr; }; @@ -353,7 +354,7 @@ static int sdhci_st_probe(struct platform_device *pdev) struct sdhci_host *host; struct st_mmc_platform_data *pdata; struct sdhci_pltfm_host *pltfm_host; - struct clk *clk; + struct clk *clk, *icnclk; int ret = 0; u16 host_version; struct resource *res; @@ -365,6 +366,11 @@ static int sdhci_st_probe(struct platform_device *pdev) return PTR_ERR(clk); } + /* ICN clock isn't compulsory, but use it if it's provided. */ + icnclk = devm_clk_get(&pdev->dev, "icn"); + if (IS_ERR(icnclk)) + icnclk = NULL; + rstc = devm_reset_control_get(&pdev->dev, NULL); if (IS_ERR(rstc)) rstc = NULL; @@ -389,6 +395,7 @@ static int sdhci_st_probe(struct platform_device *pdev) } clk_prepare_enable(clk); + clk_prepare_enable(icnclk); /* Configure the FlashSS Top registers for setting eMMC TX/RX delay */ res = platform_get_resource_byname(pdev, IORESOURCE_MEM, @@ -400,6 +407,7 @@ static int sdhci_st_probe(struct platform_device *pdev) } pltfm_host->clk = clk; + pdata->icnclk = icnclk; /* Configure the Arasan HC inside the flashSS */ st_mmcss_cconfig(np, host); @@ -422,6 +430,7 @@ static int sdhci_st_probe(struct platform_device *pdev) return 0; err_out: + clk_disable_unprepare(icnclk); clk_disable_unprepare(clk); err_of: sdhci_pltfm_free(pdev); @@ -442,6 +451,8 @@ static int sdhci_st_remove(struct platform_device *pdev) ret = sdhci_pltfm_unregister(pdev); + clk_disable_unprepare(pdata->icnclk); + if (rstc) reset_control_assert(rstc); @@ -462,6 +473,7 @@ static int sdhci_st_suspend(struct device *dev) if (pdata->rstc) reset_control_assert(pdata->rstc); + clk_disable_unprepare(pdata->icnclk); clk_disable_unprepare(pltfm_host->clk); out: return ret; @@ -475,6 +487,7 @@ static int sdhci_st_resume(struct device *dev) struct device_node *np = dev->of_node; clk_prepare_enable(pltfm_host->clk); + clk_prepare_enable(pdata->icnclk); if (pdata->rstc) reset_control_deassert(pdata->rstc); diff --git a/drivers/mtd/nand/mtk_ecc.c b/drivers/mtd/nand/mtk_ecc.c index 25a4fbd4d24a..d54f666417e1 100644 --- a/drivers/mtd/nand/mtk_ecc.c +++ b/drivers/mtd/nand/mtk_ecc.c @@ -366,7 +366,8 @@ int mtk_ecc_encode(struct mtk_ecc *ecc, struct mtk_ecc_config *config, u8 *data, u32 bytes) { dma_addr_t addr; - u32 *p, len, i; + u8 *p; + u32 len, i, val; int ret = 0; addr = dma_map_single(ecc->dev, data, bytes, DMA_TO_DEVICE); @@ -392,11 +393,14 @@ int mtk_ecc_encode(struct mtk_ecc *ecc, struct mtk_ecc_config *config, /* Program ECC bytes to OOB: per sector oob = FDM + ECC + SPARE */ len = (config->strength * ECC_PARITY_BITS + 7) >> 3; - p = (u32 *)(data + bytes); + p = data + bytes; /* write the parity bytes generated by the ECC back to the OOB region */ - for (i = 0; i < len; i++) - p[i] = readl(ecc->regs + ECC_ENCPAR(i)); + for (i = 0; i < len; i++) { + if ((i % 4) == 0) + val = readl(ecc->regs + ECC_ENCPAR(i / 4)); + p[i] = (val >> ((i % 4) * 8)) & 0xff; + } timeout: dma_unmap_single(ecc->dev, addr, bytes, DMA_TO_DEVICE); diff --git a/drivers/mtd/nand/mtk_nand.c b/drivers/mtd/nand/mtk_nand.c index ddaa2acb9dd7..5223a2182ee4 100644 --- a/drivers/mtd/nand/mtk_nand.c +++ b/drivers/mtd/nand/mtk_nand.c @@ -93,6 +93,9 @@ #define NFI_FSM_MASK (0xf << 16) #define NFI_ADDRCNTR (0x70) #define CNTR_MASK GENMASK(16, 12) +#define ADDRCNTR_SEC_SHIFT (12) +#define ADDRCNTR_SEC(val) \ + (((val) & CNTR_MASK) >> ADDRCNTR_SEC_SHIFT) #define NFI_STRADDR (0x80) #define NFI_BYTELEN (0x84) #define NFI_CSEL (0x90) @@ -699,7 +702,7 @@ static int mtk_nfc_do_write_page(struct mtd_info *mtd, struct nand_chip *chip, } ret = readl_poll_timeout_atomic(nfc->regs + NFI_ADDRCNTR, reg, - (reg & CNTR_MASK) >= chip->ecc.steps, + ADDRCNTR_SEC(reg) >= chip->ecc.steps, 10, MTK_TIMEOUT); if (ret) dev_err(dev, "hwecc write timeout\n"); @@ -902,7 +905,7 @@ static int mtk_nfc_read_subpage(struct mtd_info *mtd, struct nand_chip *chip, dev_warn(nfc->dev, "read ahb/dma done timeout\n"); rc = readl_poll_timeout_atomic(nfc->regs + NFI_BYTELEN, reg, - (reg & CNTR_MASK) >= sectors, 10, + ADDRCNTR_SEC(reg) >= sectors, 10, MTK_TIMEOUT); if (rc < 0) { dev_err(nfc->dev, "subpage done timeout\n"); diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c index 5173fadc9a4e..57cbe2b83849 100644 --- a/drivers/mtd/nand/mxc_nand.c +++ b/drivers/mtd/nand/mxc_nand.c @@ -943,7 +943,7 @@ static int mxc_v2_ooblayout_free(struct mtd_info *mtd, int section, struct nand_chip *nand_chip = mtd_to_nand(mtd); int stepsize = nand_chip->ecc.bytes == 9 ? 16 : 26; - if (section > nand_chip->ecc.steps) + if (section >= nand_chip->ecc.steps) return -ERANGE; if (!section) { diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 217e8da0628c..9599ed6f1213 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1341,9 +1341,10 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) slave_dev->name); } - /* already enslaved */ - if (slave_dev->flags & IFF_SLAVE) { - netdev_dbg(bond_dev, "Error: Device was already enslaved\n"); + /* already in-use? */ + if (netdev_is_rx_handler_busy(slave_dev)) { + netdev_err(bond_dev, + "Error: Device is in use and cannot be enslaved\n"); return -EBUSY; } diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c index 41c0fc9f3b14..16f7cadda5c3 100644 --- a/drivers/net/can/flexcan.c +++ b/drivers/net/can/flexcan.c @@ -1268,11 +1268,10 @@ static int __maybe_unused flexcan_suspend(struct device *device) struct flexcan_priv *priv = netdev_priv(dev); int err; - err = flexcan_chip_disable(priv); - if (err) - return err; - if (netif_running(dev)) { + err = flexcan_chip_disable(priv); + if (err) + return err; netif_stop_queue(dev); netif_device_detach(dev); } @@ -1285,13 +1284,17 @@ static int __maybe_unused flexcan_resume(struct device *device) { struct net_device *dev = dev_get_drvdata(device); struct flexcan_priv *priv = netdev_priv(dev); + int err; priv->can.state = CAN_STATE_ERROR_ACTIVE; if (netif_running(dev)) { netif_device_attach(dev); netif_start_queue(dev); + err = flexcan_chip_enable(priv); + if (err) + return err; } - return flexcan_chip_enable(priv); + return 0; } static SIMPLE_DEV_PM_OPS(flexcan_pm_ops, flexcan_suspend, flexcan_resume); diff --git a/drivers/net/can/ifi_canfd/ifi_canfd.c b/drivers/net/can/ifi_canfd/ifi_canfd.c index 2d1d22eec750..368bb0710d8f 100644 --- a/drivers/net/can/ifi_canfd/ifi_canfd.c +++ b/drivers/net/can/ifi_canfd/ifi_canfd.c @@ -81,6 +81,10 @@ #define IFI_CANFD_TIME_SET_TIMEA_4_12_6_6 BIT(15) #define IFI_CANFD_TDELAY 0x1c +#define IFI_CANFD_TDELAY_DEFAULT 0xb +#define IFI_CANFD_TDELAY_MASK 0x3fff +#define IFI_CANFD_TDELAY_ABS BIT(14) +#define IFI_CANFD_TDELAY_EN BIT(15) #define IFI_CANFD_ERROR 0x20 #define IFI_CANFD_ERROR_TX_OFFSET 0 @@ -641,7 +645,7 @@ static void ifi_canfd_set_bittiming(struct net_device *ndev) struct ifi_canfd_priv *priv = netdev_priv(ndev); const struct can_bittiming *bt = &priv->can.bittiming; const struct can_bittiming *dbt = &priv->can.data_bittiming; - u16 brp, sjw, tseg1, tseg2; + u16 brp, sjw, tseg1, tseg2, tdc; /* Configure bit timing */ brp = bt->brp - 2; @@ -664,6 +668,11 @@ static void ifi_canfd_set_bittiming(struct net_device *ndev) (brp << IFI_CANFD_TIME_PRESCALE_OFF) | (sjw << IFI_CANFD_TIME_SJW_OFF_7_9_8_8), priv->base + IFI_CANFD_FTIME); + + /* Configure transmitter delay */ + tdc = (dbt->brp * (dbt->phase_seg1 + 1)) & IFI_CANFD_TDELAY_MASK; + writel(IFI_CANFD_TDELAY_EN | IFI_CANFD_TDELAY_ABS | tdc, + priv->base + IFI_CANFD_TDELAY); } static void ifi_canfd_set_filter(struct net_device *ndev, const u32 id, diff --git a/drivers/net/ethernet/broadcom/bnx2.c b/drivers/net/ethernet/broadcom/bnx2.c index 8fc3f3c137f8..505ceaf451e2 100644 --- a/drivers/net/ethernet/broadcom/bnx2.c +++ b/drivers/net/ethernet/broadcom/bnx2.c @@ -6356,10 +6356,6 @@ bnx2_open(struct net_device *dev) struct bnx2 *bp = netdev_priv(dev); int rc; - rc = bnx2_request_firmware(bp); - if (rc < 0) - goto out; - netif_carrier_off(dev); bnx2_disable_int(bp); @@ -6428,7 +6424,6 @@ open_err: bnx2_free_irq(bp); bnx2_free_mem(bp); bnx2_del_napi(bp); - bnx2_release_firmware(bp); goto out; } @@ -8575,6 +8570,12 @@ bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_drvdata(pdev, dev); + rc = bnx2_request_firmware(bp); + if (rc < 0) + goto error; + + + bnx2_reset_chip(bp, BNX2_DRV_MSG_CODE_RESET); memcpy(dev->dev_addr, bp->mac_addr, ETH_ALEN); dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_SG | @@ -8607,6 +8608,7 @@ bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) return 0; error: + bnx2_release_firmware(bp); pci_iounmap(pdev, bp->regview); pci_release_regions(pdev); pci_disable_device(pdev); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 97e892511666..fa3386bb14f7 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -772,6 +772,11 @@ void bnx2x_fw_dump_lvl(struct bnx2x *bp, const char *lvl) (bp->common.bc_ver & 0xff00) >> 8, (bp->common.bc_ver & 0xff)); + if (pci_channel_offline(bp->pdev)) { + BNX2X_ERR("Cannot dump MCP info while in PCI error\n"); + return; + } + val = REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER); if (val == REG_RD(bp, MCP_REG_MCPR_CPU_PROGRAM_COUNTER)) BNX2X_ERR("%s" "MCP PC at 0x%x\n", lvl, val); @@ -9415,10 +9420,16 @@ unload_error: /* Release IRQs */ bnx2x_free_irq(bp); - /* Reset the chip */ - rc = bnx2x_reset_hw(bp, reset_code); - if (rc) - BNX2X_ERR("HW_RESET failed\n"); + /* Reset the chip, unless PCI function is offline. If we reach this + * point following a PCI error handling, it means device is really + * in a bad state and we're about to remove it, so reset the chip + * is not a good idea. + */ + if (!pci_channel_offline(bp->pdev)) { + rc = bnx2x_reset_hw(bp, reset_code); + if (rc) + BNX2X_ERR("HW_RESET failed\n"); + } /* Report UNLOAD_DONE to MCP */ bnx2x_send_unload_done(bp, keep_link); diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 2cf79100c9cb..228c964e709a 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -353,8 +353,8 @@ static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev) push_len = (length + sizeof(*tx_push) + 7) / 8; if (push_len > 16) { __iowrite64_copy(txr->tx_doorbell, tx_push_buf, 16); - __iowrite64_copy(txr->tx_doorbell + 4, tx_push_buf + 1, - push_len - 16); + __iowrite32_copy(txr->tx_doorbell + 4, tx_push_buf + 1, + (push_len - 16) << 1); } else { __iowrite64_copy(txr->tx_doorbell, tx_push_buf, push_len); diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 659261218d9f..a2551bcd1027 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -14012,6 +14012,7 @@ static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec) if ((ec->rx_coalesce_usecs > MAX_RXCOL_TICKS) || (!ec->rx_coalesce_usecs) || (ec->tx_coalesce_usecs > MAX_TXCOL_TICKS) || + (!ec->tx_coalesce_usecs) || (ec->rx_max_coalesced_frames > MAX_RXMAX_FRAMES) || (ec->tx_max_coalesced_frames > MAX_TXMAX_FRAMES) || (ec->rx_coalesce_usecs_irq > max_rxcoal_tick_int) || @@ -14022,16 +14023,6 @@ static int tg3_set_coalesce(struct net_device *dev, struct ethtool_coalesce *ec) (ec->stats_block_coalesce_usecs < min_stat_coal_ticks)) return -EINVAL; - /* No rx interrupts will be generated if both are zero */ - if ((ec->rx_coalesce_usecs == 0) && - (ec->rx_max_coalesced_frames == 0)) - return -EINVAL; - - /* No tx interrupts will be generated if both are zero */ - if ((ec->tx_coalesce_usecs == 0) && - (ec->tx_max_coalesced_frames == 0)) - return -EINVAL; - /* Only copy relevant parameters, ignore all others. */ tp->coal.rx_coalesce_usecs = ec->rx_coalesce_usecs; tp->coal.tx_coalesce_usecs = ec->tx_coalesce_usecs; diff --git a/drivers/net/ethernet/brocade/bna/bnad_ethtool.c b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c index 0e4fdc3dd729..31f61a744d66 100644 --- a/drivers/net/ethernet/brocade/bna/bnad_ethtool.c +++ b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c @@ -31,15 +31,10 @@ #define BNAD_NUM_TXF_COUNTERS 12 #define BNAD_NUM_RXF_COUNTERS 10 #define BNAD_NUM_CQ_COUNTERS (3 + 5) -#define BNAD_NUM_RXQ_COUNTERS 6 +#define BNAD_NUM_RXQ_COUNTERS 7 #define BNAD_NUM_TXQ_COUNTERS 5 -#define BNAD_ETHTOOL_STATS_NUM \ - (sizeof(struct rtnl_link_stats64) / sizeof(u64) + \ - sizeof(struct bnad_drv_stats) / sizeof(u64) + \ - offsetof(struct bfi_enet_stats, rxf_stats[0]) / sizeof(u64)) - -static const char *bnad_net_stats_strings[BNAD_ETHTOOL_STATS_NUM] = { +static const char *bnad_net_stats_strings[] = { "rx_packets", "tx_packets", "rx_bytes", @@ -50,22 +45,10 @@ static const char *bnad_net_stats_strings[BNAD_ETHTOOL_STATS_NUM] = { "tx_dropped", "multicast", "collisions", - "rx_length_errors", - "rx_over_errors", "rx_crc_errors", "rx_frame_errors", - "rx_fifo_errors", - "rx_missed_errors", - - "tx_aborted_errors", - "tx_carrier_errors", "tx_fifo_errors", - "tx_heartbeat_errors", - "tx_window_errors", - - "rx_compressed", - "tx_compressed", "netif_queue_stop", "netif_queue_wakeup", @@ -254,6 +237,8 @@ static const char *bnad_net_stats_strings[BNAD_ETHTOOL_STATS_NUM] = { "fc_tx_fid_parity_errors", }; +#define BNAD_ETHTOOL_STATS_NUM ARRAY_SIZE(bnad_net_stats_strings) + static int bnad_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd) { @@ -658,6 +643,8 @@ bnad_get_strings(struct net_device *netdev, u32 stringset, u8 *string) string += ETH_GSTRING_LEN; sprintf(string, "rxq%d_allocbuf_failed", q_num); string += ETH_GSTRING_LEN; + sprintf(string, "rxq%d_mapbuf_failed", q_num); + string += ETH_GSTRING_LEN; sprintf(string, "rxq%d_producer_index", q_num); string += ETH_GSTRING_LEN; sprintf(string, "rxq%d_consumer_index", q_num); @@ -678,6 +665,9 @@ bnad_get_strings(struct net_device *netdev, u32 stringset, u8 *string) sprintf(string, "rxq%d_allocbuf_failed", q_num); string += ETH_GSTRING_LEN; + sprintf(string, "rxq%d_mapbuf_failed", + q_num); + string += ETH_GSTRING_LEN; sprintf(string, "rxq%d_producer_index", q_num); string += ETH_GSTRING_LEN; @@ -854,9 +844,9 @@ bnad_get_ethtool_stats(struct net_device *netdev, struct ethtool_stats *stats, u64 *buf) { struct bnad *bnad = netdev_priv(netdev); - int i, j, bi; + int i, j, bi = 0; unsigned long flags; - struct rtnl_link_stats64 *net_stats64; + struct rtnl_link_stats64 net_stats64; u64 *stats64; u32 bmap; @@ -871,14 +861,25 @@ bnad_get_ethtool_stats(struct net_device *netdev, struct ethtool_stats *stats, * under the same lock */ spin_lock_irqsave(&bnad->bna_lock, flags); - bi = 0; - memset(buf, 0, stats->n_stats * sizeof(u64)); - - net_stats64 = (struct rtnl_link_stats64 *)buf; - bnad_netdev_qstats_fill(bnad, net_stats64); - bnad_netdev_hwstats_fill(bnad, net_stats64); - bi = sizeof(*net_stats64) / sizeof(u64); + memset(&net_stats64, 0, sizeof(net_stats64)); + bnad_netdev_qstats_fill(bnad, &net_stats64); + bnad_netdev_hwstats_fill(bnad, &net_stats64); + + buf[bi++] = net_stats64.rx_packets; + buf[bi++] = net_stats64.tx_packets; + buf[bi++] = net_stats64.rx_bytes; + buf[bi++] = net_stats64.tx_bytes; + buf[bi++] = net_stats64.rx_errors; + buf[bi++] = net_stats64.tx_errors; + buf[bi++] = net_stats64.rx_dropped; + buf[bi++] = net_stats64.tx_dropped; + buf[bi++] = net_stats64.multicast; + buf[bi++] = net_stats64.collisions; + buf[bi++] = net_stats64.rx_length_errors; + buf[bi++] = net_stats64.rx_crc_errors; + buf[bi++] = net_stats64.rx_frame_errors; + buf[bi++] = net_stats64.tx_fifo_errors; /* Get netif_queue_stopped from stack */ bnad->stats.drv_stats.netif_queue_stopped = netif_queue_stopped(netdev); diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c index 89c0cfa9719f..d954a97b0b0b 100644 --- a/drivers/net/ethernet/cadence/macb.c +++ b/drivers/net/ethernet/cadence/macb.c @@ -1323,6 +1323,24 @@ dma_error: return 0; } +static inline int macb_clear_csum(struct sk_buff *skb) +{ + /* no change for packets without checksum offloading */ + if (skb->ip_summed != CHECKSUM_PARTIAL) + return 0; + + /* make sure we can modify the header */ + if (unlikely(skb_cow_head(skb, 0))) + return -1; + + /* initialize checksum field + * This is required - at least for Zynq, which otherwise calculates + * wrong UDP header checksums for UDP packets with UDP data len <=2 + */ + *(__sum16 *)(skb_checksum_start(skb) + skb->csum_offset) = 0; + return 0; +} + static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev) { u16 queue_index = skb_get_queue_mapping(skb); @@ -1362,6 +1380,11 @@ static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_BUSY; } + if (macb_clear_csum(skb)) { + dev_kfree_skb_any(skb); + return NETDEV_TX_OK; + } + /* Map socket buffer for DMA transfer */ if (!macb_tx_map(bp, queue, skb)) { dev_kfree_skb_any(skb); diff --git a/drivers/net/ethernet/cavium/thunder/nic.h b/drivers/net/ethernet/cavium/thunder/nic.h index 83025bb4737c..e29815d9e6f4 100644 --- a/drivers/net/ethernet/cavium/thunder/nic.h +++ b/drivers/net/ethernet/cavium/thunder/nic.h @@ -279,6 +279,7 @@ struct nicvf { u8 sqs_id; bool sqs_mode; bool hw_tso; + bool t88; /* Receive buffer alloc */ u32 rb_page_offset; diff --git a/drivers/net/ethernet/cavium/thunder/nic_main.c b/drivers/net/ethernet/cavium/thunder/nic_main.c index 16ed20357c5c..85cc782b9060 100644 --- a/drivers/net/ethernet/cavium/thunder/nic_main.c +++ b/drivers/net/ethernet/cavium/thunder/nic_main.c @@ -251,9 +251,14 @@ static void nic_set_tx_pkt_pad(struct nicpf *nic, int size) int lmac; u64 lmac_cfg; - /* Max value that can be set is 60 */ - if (size > 60) - size = 60; + /* There is a issue in HW where-in while sending GSO sized + * pkts as part of TSO, if pkt len falls below this size + * NIC will zero PAD packet and also updates IP total length. + * Hence set this value to lessthan min pkt size of MAC+IP+TCP + * headers, BGX will do the padding to transmit 64 byte pkt. + */ + if (size > 52) + size = 52; for (lmac = 0; lmac < (MAX_BGX_PER_CN88XX * MAX_LMAC_PER_BGX); lmac++) { lmac_cfg = nic_reg_read(nic, NIC_PF_LMAC_0_7_CFG | (lmac << 3)); diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c index a19e73f11d73..3240349615bd 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c @@ -513,6 +513,7 @@ static void nicvf_snd_pkt_handler(struct net_device *netdev, struct nicvf *nic = netdev_priv(netdev); struct snd_queue *sq; struct sq_hdr_subdesc *hdr; + struct sq_hdr_subdesc *tso_sqe; sq = &nic->qs->sq[cqe_tx->sq_idx]; @@ -527,17 +528,21 @@ static void nicvf_snd_pkt_handler(struct net_device *netdev, nicvf_check_cqe_tx_errs(nic, cq, cqe_tx); skb = (struct sk_buff *)sq->skbuff[cqe_tx->sqe_ptr]; - /* For TSO offloaded packets only one SQE will have a valid SKB */ if (skb) { + /* Check for dummy descriptor used for HW TSO offload on 88xx */ + if (hdr->dont_send) { + /* Get actual TSO descriptors and free them */ + tso_sqe = + (struct sq_hdr_subdesc *)GET_SQ_DESC(sq, hdr->rsvd2); + nicvf_put_sq_desc(sq, tso_sqe->subdesc_cnt + 1); + } nicvf_put_sq_desc(sq, hdr->subdesc_cnt + 1); prefetch(skb); dev_consume_skb_any(skb); sq->skbuff[cqe_tx->sqe_ptr] = (u64)NULL; } else { - /* In case of HW TSO, HW sends a CQE for each segment of a TSO - * packet instead of a single CQE for the whole TSO packet - * transmitted. Each of this CQE points to the same SQE, so - * avoid freeing same SQE multiple times. + /* In case of SW TSO on 88xx, only last segment will have + * a SKB attached, so just free SQEs here. */ if (!nic->hw_tso) nicvf_put_sq_desc(sq, hdr->subdesc_cnt + 1); @@ -1502,6 +1507,7 @@ static int nicvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) struct net_device *netdev; struct nicvf *nic; int err, qcount; + u16 sdevid; err = pci_enable_device(pdev); if (err) { @@ -1575,6 +1581,10 @@ static int nicvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (!pass1_silicon(nic->pdev)) nic->hw_tso = true; + pci_read_config_word(nic->pdev, PCI_SUBSYSTEM_ID, &sdevid); + if (sdevid == 0xA134) + nic->t88 = true; + /* Check if this VF is in QS only mode */ if (nic->sqs_mode) return 0; diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c index 0ff8e60deccb..dda3ea3f3bb6 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c @@ -938,6 +938,8 @@ static int nicvf_tso_count_subdescs(struct sk_buff *skb) return num_edescs + sh->gso_segs; } +#define POST_CQE_DESC_COUNT 2 + /* Get the number of SQ descriptors needed to xmit this skb */ static int nicvf_sq_subdesc_required(struct nicvf *nic, struct sk_buff *skb) { @@ -948,6 +950,10 @@ static int nicvf_sq_subdesc_required(struct nicvf *nic, struct sk_buff *skb) return subdesc_cnt; } + /* Dummy descriptors to get TSO pkt completion notification */ + if (nic->t88 && nic->hw_tso && skb_shinfo(skb)->gso_size) + subdesc_cnt += POST_CQE_DESC_COUNT; + if (skb_shinfo(skb)->nr_frags) subdesc_cnt += skb_shinfo(skb)->nr_frags; @@ -965,14 +971,21 @@ nicvf_sq_add_hdr_subdesc(struct nicvf *nic, struct snd_queue *sq, int qentry, struct sq_hdr_subdesc *hdr; hdr = (struct sq_hdr_subdesc *)GET_SQ_DESC(sq, qentry); - sq->skbuff[qentry] = (u64)skb; - memset(hdr, 0, SND_QUEUE_DESC_SIZE); hdr->subdesc_type = SQ_DESC_TYPE_HEADER; - /* Enable notification via CQE after processing SQE */ - hdr->post_cqe = 1; - /* No of subdescriptors following this */ - hdr->subdesc_cnt = subdesc_cnt; + + if (nic->t88 && nic->hw_tso && skb_shinfo(skb)->gso_size) { + /* post_cqe = 0, to avoid HW posting a CQE for every TSO + * segment transmitted on 88xx. + */ + hdr->subdesc_cnt = subdesc_cnt - POST_CQE_DESC_COUNT; + } else { + sq->skbuff[qentry] = (u64)skb; + /* Enable notification via CQE after processing SQE */ + hdr->post_cqe = 1; + /* No of subdescriptors following this */ + hdr->subdesc_cnt = subdesc_cnt; + } hdr->tot_len = len; /* Offload checksum calculation to HW */ @@ -1023,6 +1036,37 @@ static inline void nicvf_sq_add_gather_subdesc(struct snd_queue *sq, int qentry, gather->addr = data; } +/* Add HDR + IMMEDIATE subdescriptors right after descriptors of a TSO + * packet so that a CQE is posted as a notifation for transmission of + * TSO packet. + */ +static inline void nicvf_sq_add_cqe_subdesc(struct snd_queue *sq, int qentry, + int tso_sqe, struct sk_buff *skb) +{ + struct sq_imm_subdesc *imm; + struct sq_hdr_subdesc *hdr; + + sq->skbuff[qentry] = (u64)skb; + + hdr = (struct sq_hdr_subdesc *)GET_SQ_DESC(sq, qentry); + memset(hdr, 0, SND_QUEUE_DESC_SIZE); + hdr->subdesc_type = SQ_DESC_TYPE_HEADER; + /* Enable notification via CQE after processing SQE */ + hdr->post_cqe = 1; + /* There is no packet to transmit here */ + hdr->dont_send = 1; + hdr->subdesc_cnt = POST_CQE_DESC_COUNT - 1; + hdr->tot_len = 1; + /* Actual TSO header SQE index, needed for cleanup */ + hdr->rsvd2 = tso_sqe; + + qentry = nicvf_get_nxt_sqentry(sq, qentry); + imm = (struct sq_imm_subdesc *)GET_SQ_DESC(sq, qentry); + memset(imm, 0, SND_QUEUE_DESC_SIZE); + imm->subdesc_type = SQ_DESC_TYPE_IMMEDIATE; + imm->len = 1; +} + /* Segment a TSO packet into 'gso_size' segments and append * them to SQ for transfer */ @@ -1096,7 +1140,7 @@ static int nicvf_sq_append_tso(struct nicvf *nic, struct snd_queue *sq, int nicvf_sq_append_skb(struct nicvf *nic, struct sk_buff *skb) { int i, size; - int subdesc_cnt; + int subdesc_cnt, tso_sqe = 0; int sq_num, qentry; struct queue_set *qs; struct snd_queue *sq; @@ -1131,6 +1175,7 @@ int nicvf_sq_append_skb(struct nicvf *nic, struct sk_buff *skb) /* Add SQ header subdesc */ nicvf_sq_add_hdr_subdesc(nic, sq, qentry, subdesc_cnt - 1, skb, skb->len); + tso_sqe = qentry; /* Add SQ gather subdescs */ qentry = nicvf_get_nxt_sqentry(sq, qentry); @@ -1154,6 +1199,11 @@ int nicvf_sq_append_skb(struct nicvf *nic, struct sk_buff *skb) } doorbell: + if (nic->t88 && skb_shinfo(skb)->gso_size) { + qentry = nicvf_get_nxt_sqentry(sq, qentry); + nicvf_sq_add_cqe_subdesc(sq, qentry, tso_sqe, skb); + } + /* make sure all memory stores are done before ringing doorbell */ smp_wmb(); diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h index 2e2aa9fec9bb..edd23386b47d 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h @@ -419,8 +419,8 @@ struct link_config { unsigned short supported; /* link capabilities */ unsigned short advertising; /* advertised capabilities */ unsigned short lp_advertising; /* peer advertised capabilities */ - unsigned short requested_speed; /* speed user has requested */ - unsigned short speed; /* actual link speed */ + unsigned int requested_speed; /* speed user has requested */ + unsigned int speed; /* actual link speed */ unsigned char requested_fc; /* flow control user has requested */ unsigned char fc; /* actual link flow control */ unsigned char autoneg; /* autonegotiating? */ diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index c762a8c8c954..3ceafb55d6da 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -4305,10 +4305,17 @@ static const struct pci_error_handlers cxgb4_eeh = { .resume = eeh_resume, }; +/* Return true if the Link Configuration supports "High Speeds" (those greater + * than 1Gb/s). + */ static inline bool is_x_10g_port(const struct link_config *lc) { - return (lc->supported & FW_PORT_CAP_SPEED_10G) != 0 || - (lc->supported & FW_PORT_CAP_SPEED_40G) != 0; + unsigned int speeds, high_speeds; + + speeds = FW_PORT_CAP_SPEED_V(FW_PORT_CAP_SPEED_G(lc->supported)); + high_speeds = speeds & ~(FW_PORT_CAP_SPEED_100M | FW_PORT_CAP_SPEED_1G); + + return high_speeds != 0; } static inline void init_rspq(struct adapter *adap, struct sge_rspq *q, @@ -4756,8 +4763,12 @@ static void print_port_info(const struct net_device *dev) bufp += sprintf(bufp, "1000/"); if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_10G) bufp += sprintf(bufp, "10G/"); + if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_25G) + bufp += sprintf(bufp, "25G/"); if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_40G) bufp += sprintf(bufp, "40G/"); + if (pi->link_cfg.supported & FW_PORT_CAP_SPEED_100G) + bufp += sprintf(bufp, "100G/"); if (bufp != buf) --bufp; sprintf(bufp, "BASE-%s", t4_get_port_type_description(pi->port_type)); diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index dc92c80a75f4..660204bff726 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -3627,7 +3627,8 @@ void t4_ulprx_read_la(struct adapter *adap, u32 *la_buf) } #define ADVERT_MASK (FW_PORT_CAP_SPEED_100M | FW_PORT_CAP_SPEED_1G |\ - FW_PORT_CAP_SPEED_10G | FW_PORT_CAP_SPEED_40G | \ + FW_PORT_CAP_SPEED_10G | FW_PORT_CAP_SPEED_25G | \ + FW_PORT_CAP_SPEED_40G | FW_PORT_CAP_SPEED_100G | \ FW_PORT_CAP_ANEG) /** @@ -7196,8 +7197,12 @@ void t4_handle_get_port_info(struct port_info *pi, const __be64 *rpl) speed = 1000; else if (stat & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_10G)) speed = 10000; + else if (stat & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_25G)) + speed = 25000; else if (stat & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_40G)) speed = 40000; + else if (stat & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_100G)) + speed = 100000; lc = &pi->link_cfg; diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h index a89b30720e38..30507d44422c 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h @@ -2265,6 +2265,12 @@ enum fw_port_cap { FW_PORT_CAP_802_3_ASM_DIR = 0x8000, }; +#define FW_PORT_CAP_SPEED_S 0 +#define FW_PORT_CAP_SPEED_M 0x3f +#define FW_PORT_CAP_SPEED_V(x) ((x) << FW_PORT_CAP_SPEED_S) +#define FW_PORT_CAP_SPEED_G(x) \ + (((x) >> FW_PORT_CAP_SPEED_S) & FW_PORT_CAP_SPEED_M) + enum fw_port_mdi { FW_PORT_CAP_MDI_UNCHANGED, FW_PORT_CAP_MDI_AUTO, diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h index 8ee541431e8b..17a2bbcf93f0 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h +++ b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h @@ -108,8 +108,8 @@ struct link_config { unsigned int supported; /* link capabilities */ unsigned int advertising; /* advertised capabilities */ unsigned short lp_advertising; /* peer advertised capabilities */ - unsigned short requested_speed; /* speed user has requested */ - unsigned short speed; /* actual link speed */ + unsigned int requested_speed; /* speed user has requested */ + unsigned int speed; /* actual link speed */ unsigned char requested_fc; /* flow control user has requested */ unsigned char fc; /* actual link flow control */ unsigned char autoneg; /* autonegotiating? */ @@ -271,10 +271,17 @@ static inline bool is_10g_port(const struct link_config *lc) return (lc->supported & FW_PORT_CAP_SPEED_10G) != 0; } +/* Return true if the Link Configuration supports "High Speeds" (those greater + * than 1Gb/s). + */ static inline bool is_x_10g_port(const struct link_config *lc) { - return (lc->supported & FW_PORT_CAP_SPEED_10G) != 0 || - (lc->supported & FW_PORT_CAP_SPEED_40G) != 0; + unsigned int speeds, high_speeds; + + speeds = FW_PORT_CAP_SPEED_V(FW_PORT_CAP_SPEED_G(lc->supported)); + high_speeds = speeds & ~(FW_PORT_CAP_SPEED_100M | FW_PORT_CAP_SPEED_1G); + + return high_speeds != 0; } static inline unsigned int core_ticks_per_usec(const struct adapter *adapter) diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c index 427bfa71388b..b5622b1689e9 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/t4vf_hw.c @@ -314,8 +314,9 @@ int t4vf_wr_mbox_core(struct adapter *adapter, const void *cmd, int size, } #define ADVERT_MASK (FW_PORT_CAP_SPEED_100M | FW_PORT_CAP_SPEED_1G |\ - FW_PORT_CAP_SPEED_10G | FW_PORT_CAP_SPEED_40G | \ - FW_PORT_CAP_SPEED_100G | FW_PORT_CAP_ANEG) + FW_PORT_CAP_SPEED_10G | FW_PORT_CAP_SPEED_25G | \ + FW_PORT_CAP_SPEED_40G | FW_PORT_CAP_SPEED_100G | \ + FW_PORT_CAP_ANEG) /** * init_link_config - initialize a link's SW state @@ -1712,8 +1713,12 @@ int t4vf_handle_fw_rpl(struct adapter *adapter, const __be64 *rpl) speed = 1000; else if (stat & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_10G)) speed = 10000; + else if (stat & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_25G)) + speed = 25000; else if (stat & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_40G)) speed = 40000; + else if (stat & FW_PORT_CMD_LSPEED_V(FW_PORT_CAP_SPEED_100G)) + speed = 100000; /* * Scan all of our "ports" (Virtual Interfaces) looking for diff --git a/drivers/net/ethernet/ibm/emac/core.c b/drivers/net/ethernet/ibm/emac/core.c index 4c9771d57d6e..7af09cbc53f0 100644 --- a/drivers/net/ethernet/ibm/emac/core.c +++ b/drivers/net/ethernet/ibm/emac/core.c @@ -977,7 +977,37 @@ static void emac_set_multicast_list(struct net_device *ndev) dev->mcast_pending = 1; return; } + + mutex_lock(&dev->link_lock); __emac_set_multicast_list(dev); + mutex_unlock(&dev->link_lock); +} + +static int emac_set_mac_address(struct net_device *ndev, void *sa) +{ + struct emac_instance *dev = netdev_priv(ndev); + struct sockaddr *addr = sa; + struct emac_regs __iomem *p = dev->emacp; + + if (!is_valid_ether_addr(addr->sa_data)) + return -EADDRNOTAVAIL; + + mutex_lock(&dev->link_lock); + + memcpy(ndev->dev_addr, addr->sa_data, ndev->addr_len); + + emac_rx_disable(dev); + emac_tx_disable(dev); + out_be32(&p->iahr, (ndev->dev_addr[0] << 8) | ndev->dev_addr[1]); + out_be32(&p->ialr, (ndev->dev_addr[2] << 24) | + (ndev->dev_addr[3] << 16) | (ndev->dev_addr[4] << 8) | + ndev->dev_addr[5]); + emac_tx_enable(dev); + emac_rx_enable(dev); + + mutex_unlock(&dev->link_lock); + + return 0; } static int emac_resize_rx_ring(struct emac_instance *dev, int new_mtu) @@ -2686,7 +2716,7 @@ static const struct net_device_ops emac_netdev_ops = { .ndo_do_ioctl = emac_ioctl, .ndo_tx_timeout = emac_tx_timeout, .ndo_validate_addr = eth_validate_addr, - .ndo_set_mac_address = eth_mac_addr, + .ndo_set_mac_address = emac_set_mac_address, .ndo_start_xmit = emac_start_xmit, .ndo_change_mtu = eth_change_mtu, }; @@ -2699,7 +2729,7 @@ static const struct net_device_ops emac_gige_netdev_ops = { .ndo_do_ioctl = emac_ioctl, .ndo_tx_timeout = emac_tx_timeout, .ndo_validate_addr = eth_validate_addr, - .ndo_set_mac_address = eth_mac_addr, + .ndo_set_mac_address = emac_set_mac_address, .ndo_start_xmit = emac_start_xmit_sg, .ndo_change_mtu = emac_change_mtu, }; diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 828ed28c3c14..d0b3a1bb82ca 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -5113,9 +5113,13 @@ static int i40e_init_pf_dcb(struct i40e_pf *pf) DCB_CAP_DCBX_VER_IEEE; pf->flags |= I40E_FLAG_DCB_CAPABLE; - /* Enable DCB tagging only when more than one TC */ + /* Enable DCB tagging only when more than one TC + * or explicitly disable if only one TC + */ if (i40e_dcb_get_num_tc(&hw->local_dcbx_config) > 1) pf->flags |= I40E_FLAG_DCB_ENABLED; + else + pf->flags &= ~I40E_FLAG_DCB_ENABLED; dev_dbg(&pf->pdev->dev, "DCBX offload is supported for this PF.\n"); } @@ -5716,7 +5720,7 @@ static int i40e_handle_lldp_event(struct i40e_pf *pf, u8 type; /* Not DCB capable or capability disabled */ - if (!(pf->flags & I40E_FLAG_DCB_CAPABLE)) + if (!(pf->flags & I40E_FLAG_DCB_ENABLED)) return ret; /* Ignore if event is not for Nearest Bridge */ @@ -7896,6 +7900,7 @@ static int i40e_init_interrupt_scheme(struct i40e_pf *pf) #endif I40E_FLAG_RSS_ENABLED | I40E_FLAG_DCB_CAPABLE | + I40E_FLAG_DCB_ENABLED | I40E_FLAG_SRIOV_ENABLED | I40E_FLAG_FD_SB_ENABLED | I40E_FLAG_FD_ATR_ENABLED | @@ -10502,6 +10507,7 @@ static void i40e_determine_queue_usage(struct i40e_pf *pf) I40E_FLAG_FD_SB_ENABLED | I40E_FLAG_FD_ATR_ENABLED | I40E_FLAG_DCB_CAPABLE | + I40E_FLAG_DCB_ENABLED | I40E_FLAG_SRIOV_ENABLED | I40E_FLAG_VMDQ_ENABLED); } else if (!(pf->flags & (I40E_FLAG_RSS_ENABLED | @@ -10525,7 +10531,8 @@ static void i40e_determine_queue_usage(struct i40e_pf *pf) /* Not enough queues for all TCs */ if ((pf->flags & I40E_FLAG_DCB_CAPABLE) && (queues_left < I40E_MAX_TRAFFIC_CLASS)) { - pf->flags &= ~I40E_FLAG_DCB_CAPABLE; + pf->flags &= ~(I40E_FLAG_DCB_CAPABLE | + I40E_FLAG_DCB_ENABLED); dev_info(&pf->pdev->dev, "not enough queues for DCB. DCB is disabled.\n"); } pf->num_lan_qps = max_t(int, pf->rss_size_max, @@ -10922,7 +10929,7 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) err = i40e_init_pf_dcb(pf); if (err) { dev_info(&pdev->dev, "DCB init failed %d, disabled\n", err); - pf->flags &= ~I40E_FLAG_DCB_CAPABLE; + pf->flags &= ~(I40E_FLAG_DCB_CAPABLE & I40E_FLAG_DCB_ENABLED); /* Continue without DCB enabled */ } #endif /* CONFIG_I40E_DCB */ diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index f1609542adf1..3743af8f1ded 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -50,6 +50,10 @@ static const struct mtk_ethtool_stats { MTK_ETHTOOL_STAT(rx_flow_control_packets), }; +static const char * const mtk_clks_source_name[] = { + "ethif", "esw", "gp1", "gp2" +}; + void mtk_w32(struct mtk_eth *eth, u32 val, unsigned reg) { __raw_writel(val, eth->base + reg); @@ -291,7 +295,7 @@ err_phy: static int mtk_mdio_init(struct mtk_eth *eth) { struct device_node *mii_np; - int err; + int ret; mii_np = of_get_child_by_name(eth->dev->of_node, "mdio-bus"); if (!mii_np) { @@ -300,13 +304,13 @@ static int mtk_mdio_init(struct mtk_eth *eth) } if (!of_device_is_available(mii_np)) { - err = 0; + ret = -ENODEV; goto err_put_node; } - eth->mii_bus = mdiobus_alloc(); + eth->mii_bus = devm_mdiobus_alloc(eth->dev); if (!eth->mii_bus) { - err = -ENOMEM; + ret = -ENOMEM; goto err_put_node; } @@ -317,19 +321,11 @@ static int mtk_mdio_init(struct mtk_eth *eth) eth->mii_bus->parent = eth->dev; snprintf(eth->mii_bus->id, MII_BUS_ID_SIZE, "%s", mii_np->name); - err = of_mdiobus_register(eth->mii_bus, mii_np); - if (err) - goto err_free_bus; - - return 0; - -err_free_bus: - mdiobus_free(eth->mii_bus); + ret = of_mdiobus_register(eth->mii_bus, mii_np); err_put_node: of_node_put(mii_np); - eth->mii_bus = NULL; - return err; + return ret; } static void mtk_mdio_cleanup(struct mtk_eth *eth) @@ -338,8 +334,6 @@ static void mtk_mdio_cleanup(struct mtk_eth *eth) return; mdiobus_unregister(eth->mii_bus); - of_node_put(eth->mii_bus->dev.of_node); - mdiobus_free(eth->mii_bus); } static inline void mtk_irq_disable(struct mtk_eth *eth, u32 mask) @@ -588,14 +582,15 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev, dma_addr_t mapped_addr; unsigned int nr_frags; int i, n_desc = 1; - u32 txd4 = 0; + u32 txd4 = 0, fport; itxd = ring->next_free; if (itxd == ring->last_free) return -ENOMEM; /* set the forward port */ - txd4 |= (mac->id + 1) << TX_DMA_FPORT_SHIFT; + fport = (mac->id + 1) << TX_DMA_FPORT_SHIFT; + txd4 |= fport; tx_buf = mtk_desc_to_tx_buf(ring, itxd); memset(tx_buf, 0, sizeof(*tx_buf)); @@ -653,7 +648,7 @@ static int mtk_tx_map(struct sk_buff *skb, struct net_device *dev, WRITE_ONCE(txd->txd3, (TX_DMA_SWC | TX_DMA_PLEN0(frag_map_size) | last_frag * TX_DMA_LS0)); - WRITE_ONCE(txd->txd4, 0); + WRITE_ONCE(txd->txd4, fport); tx_buf->skb = (struct sk_buff *)MTK_DMA_DUMMY_DESC; tx_buf = mtk_desc_to_tx_buf(ring, txd); @@ -865,7 +860,7 @@ static int mtk_poll_rx(struct napi_struct *napi, int budget, /* receive data */ skb = build_skb(data, ring->frag_size); if (unlikely(!skb)) { - put_page(virt_to_head_page(new_data)); + skb_free_frag(new_data); netdev->stats.rx_dropped++; goto release_desc; } @@ -1506,10 +1501,7 @@ static void mtk_uninit(struct net_device *dev) struct mtk_eth *eth = mac->hw; phy_disconnect(mac->phy_dev); - mtk_mdio_cleanup(eth); mtk_irq_disable(eth, ~0); - free_irq(eth->irq[1], dev); - free_irq(eth->irq[2], dev); } static int mtk_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) @@ -1813,6 +1805,7 @@ static int mtk_probe(struct platform_device *pdev) if (!eth) return -ENOMEM; + eth->dev = &pdev->dev; eth->base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(eth->base)) return PTR_ERR(eth->base); @@ -1847,21 +1840,21 @@ static int mtk_probe(struct platform_device *pdev) return -ENXIO; } } + for (i = 0; i < ARRAY_SIZE(eth->clks); i++) { + eth->clks[i] = devm_clk_get(eth->dev, + mtk_clks_source_name[i]); + if (IS_ERR(eth->clks[i])) { + if (PTR_ERR(eth->clks[i]) == -EPROBE_DEFER) + return -EPROBE_DEFER; + return -ENODEV; + } + } - eth->clk_ethif = devm_clk_get(&pdev->dev, "ethif"); - eth->clk_esw = devm_clk_get(&pdev->dev, "esw"); - eth->clk_gp1 = devm_clk_get(&pdev->dev, "gp1"); - eth->clk_gp2 = devm_clk_get(&pdev->dev, "gp2"); - if (IS_ERR(eth->clk_esw) || IS_ERR(eth->clk_gp1) || - IS_ERR(eth->clk_gp2) || IS_ERR(eth->clk_ethif)) - return -ENODEV; - - clk_prepare_enable(eth->clk_ethif); - clk_prepare_enable(eth->clk_esw); - clk_prepare_enable(eth->clk_gp1); - clk_prepare_enable(eth->clk_gp2); + clk_prepare_enable(eth->clks[MTK_CLK_ETHIF]); + clk_prepare_enable(eth->clks[MTK_CLK_ESW]); + clk_prepare_enable(eth->clks[MTK_CLK_GP1]); + clk_prepare_enable(eth->clks[MTK_CLK_GP2]); - eth->dev = &pdev->dev; eth->msg_enable = netif_msg_init(mtk_msg_level, MTK_DEFAULT_MSG_ENABLE); INIT_WORK(ð->pending_work, mtk_pending_work); @@ -1903,15 +1896,24 @@ err_free_dev: static int mtk_remove(struct platform_device *pdev) { struct mtk_eth *eth = platform_get_drvdata(pdev); + int i; - clk_disable_unprepare(eth->clk_ethif); - clk_disable_unprepare(eth->clk_esw); - clk_disable_unprepare(eth->clk_gp1); - clk_disable_unprepare(eth->clk_gp2); + /* stop all devices to make sure that dma is properly shut down */ + for (i = 0; i < MTK_MAC_COUNT; i++) { + if (!eth->netdev[i]) + continue; + mtk_stop(eth->netdev[i]); + } + + clk_disable_unprepare(eth->clks[MTK_CLK_ETHIF]); + clk_disable_unprepare(eth->clks[MTK_CLK_ESW]); + clk_disable_unprepare(eth->clks[MTK_CLK_GP1]); + clk_disable_unprepare(eth->clks[MTK_CLK_GP2]); netif_napi_del(ð->tx_napi); netif_napi_del(ð->rx_napi); mtk_cleanup(eth); + mtk_mdio_cleanup(eth); platform_set_drvdata(pdev, NULL); return 0; @@ -1921,6 +1923,7 @@ const struct of_device_id of_mtk_match[] = { { .compatible = "mediatek,mt7623-eth" }, {}, }; +MODULE_DEVICE_TABLE(of, of_mtk_match); static struct platform_driver mtk_driver = { .probe = mtk_probe, diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h index f82e3acb947b..6e1ade7a25c5 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h @@ -290,6 +290,17 @@ enum mtk_tx_flags { MTK_TX_FLAGS_PAGE0 = 0x02, }; +/* This enum allows us to identify how the clock is defined on the array of the + * clock in the order + */ +enum mtk_clks_map { + MTK_CLK_ETHIF, + MTK_CLK_ESW, + MTK_CLK_GP1, + MTK_CLK_GP2, + MTK_CLK_MAX +}; + /* struct mtk_tx_buf - This struct holds the pointers to the memory pointed at * by the TX descriptor s * @skb: The SKB pointer of the packet being sent @@ -370,10 +381,7 @@ struct mtk_rx_ring { * @scratch_ring: Newer SoCs need memory for a second HW managed TX ring * @phy_scratch_ring: physical address of scratch_ring * @scratch_head: The scratch memory that scratch_ring points to. - * @clk_ethif: The ethif clock - * @clk_esw: The switch clock - * @clk_gp1: The gmac1 clock - * @clk_gp2: The gmac2 clock + * @clks: clock array for all clocks required * @mii_bus: If there is a bus we need to create an instance for it * @pending_work: The workqueue used to reset the dma ring */ @@ -400,10 +408,8 @@ struct mtk_eth { struct mtk_tx_dma *scratch_ring; dma_addr_t phy_scratch_ring; void *scratch_head; - struct clk *clk_ethif; - struct clk *clk_esw; - struct clk *clk_gp1; - struct clk *clk_gp2; + struct clk *clks[MTK_CLK_MAX]; + struct mii_bus *mii_bus; struct work_struct pending_work; }; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c b/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c index 99c6bbdff501..b04760a5034b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_dcb_nl.c @@ -94,7 +94,7 @@ static u8 mlx4_en_dcbnl_getcap(struct net_device *dev, int capid, u8 *cap) *cap = true; break; case DCB_CAP_ATTR_DCBX: - *cap = priv->cee_params.dcbx_cap; + *cap = priv->dcbx_cap; break; case DCB_CAP_ATTR_PFC_TCS: *cap = 1 << mlx4_max_tc(priv->mdev->dev); @@ -111,14 +111,14 @@ static u8 mlx4_en_dcbnl_getpfcstate(struct net_device *netdev) { struct mlx4_en_priv *priv = netdev_priv(netdev); - return priv->cee_params.dcb_cfg.pfc_state; + return priv->cee_config.pfc_state; } static void mlx4_en_dcbnl_setpfcstate(struct net_device *netdev, u8 state) { struct mlx4_en_priv *priv = netdev_priv(netdev); - priv->cee_params.dcb_cfg.pfc_state = state; + priv->cee_config.pfc_state = state; } static void mlx4_en_dcbnl_get_pfc_cfg(struct net_device *netdev, int priority, @@ -126,7 +126,7 @@ static void mlx4_en_dcbnl_get_pfc_cfg(struct net_device *netdev, int priority, { struct mlx4_en_priv *priv = netdev_priv(netdev); - *setting = priv->cee_params.dcb_cfg.tc_config[priority].dcb_pfc; + *setting = priv->cee_config.dcb_pfc[priority]; } static void mlx4_en_dcbnl_set_pfc_cfg(struct net_device *netdev, int priority, @@ -134,8 +134,8 @@ static void mlx4_en_dcbnl_set_pfc_cfg(struct net_device *netdev, int priority, { struct mlx4_en_priv *priv = netdev_priv(netdev); - priv->cee_params.dcb_cfg.tc_config[priority].dcb_pfc = setting; - priv->cee_params.dcb_cfg.pfc_state = true; + priv->cee_config.dcb_pfc[priority] = setting; + priv->cee_config.pfc_state = true; } static int mlx4_en_dcbnl_getnumtcs(struct net_device *netdev, int tcid, u8 *num) @@ -157,13 +157,11 @@ static u8 mlx4_en_dcbnl_set_all(struct net_device *netdev) { struct mlx4_en_priv *priv = netdev_priv(netdev); struct mlx4_en_dev *mdev = priv->mdev; - struct mlx4_en_cee_config *dcb_cfg = &priv->cee_params.dcb_cfg; - int err = 0; - if (!(priv->cee_params.dcbx_cap & DCB_CAP_DCBX_VER_CEE)) - return -EINVAL; + if (!(priv->dcbx_cap & DCB_CAP_DCBX_VER_CEE)) + return 1; - if (dcb_cfg->pfc_state) { + if (priv->cee_config.pfc_state) { int tc; priv->prof->rx_pause = 0; @@ -171,7 +169,7 @@ static u8 mlx4_en_dcbnl_set_all(struct net_device *netdev) for (tc = 0; tc < CEE_DCBX_MAX_PRIO; tc++) { u8 tc_mask = 1 << tc; - switch (dcb_cfg->tc_config[tc].dcb_pfc) { + switch (priv->cee_config.dcb_pfc[tc]) { case pfc_disabled: priv->prof->tx_ppp &= ~tc_mask; priv->prof->rx_ppp &= ~tc_mask; @@ -199,15 +197,17 @@ static u8 mlx4_en_dcbnl_set_all(struct net_device *netdev) en_dbg(DRV, priv, "Set pfc off\n"); } - err = mlx4_SET_PORT_general(mdev->dev, priv->port, - priv->rx_skb_size + ETH_FCS_LEN, - priv->prof->tx_pause, - priv->prof->tx_ppp, - priv->prof->rx_pause, - priv->prof->rx_ppp); - if (err) + if (mlx4_SET_PORT_general(mdev->dev, priv->port, + priv->rx_skb_size + ETH_FCS_LEN, + priv->prof->tx_pause, + priv->prof->tx_ppp, + priv->prof->rx_pause, + priv->prof->rx_ppp)) { en_err(priv, "Failed setting pause params\n"); - return err; + return 1; + } + + return 0; } static u8 mlx4_en_dcbnl_get_state(struct net_device *dev) @@ -225,7 +225,7 @@ static u8 mlx4_en_dcbnl_set_state(struct net_device *dev, u8 state) struct mlx4_en_priv *priv = netdev_priv(dev); int num_tcs = 0; - if (!(priv->cee_params.dcbx_cap & DCB_CAP_DCBX_VER_CEE)) + if (!(priv->dcbx_cap & DCB_CAP_DCBX_VER_CEE)) return 1; if (!!(state) == !!(priv->flags & MLX4_EN_FLAG_DCB_ENABLED)) @@ -238,7 +238,10 @@ static u8 mlx4_en_dcbnl_set_state(struct net_device *dev, u8 state) priv->flags &= ~MLX4_EN_FLAG_DCB_ENABLED; } - return mlx4_en_setup_tc(dev, num_tcs); + if (mlx4_en_setup_tc(dev, num_tcs)) + return 1; + + return 0; } /* On success returns a non-zero 802.1p user priority bitmap @@ -252,7 +255,7 @@ static int mlx4_en_dcbnl_getapp(struct net_device *netdev, u8 idtype, u16 id) .selector = idtype, .protocol = id, }; - if (!(priv->cee_params.dcbx_cap & DCB_CAP_DCBX_VER_CEE)) + if (!(priv->dcbx_cap & DCB_CAP_DCBX_VER_CEE)) return 0; return dcb_getapp(netdev, &app); @@ -264,7 +267,7 @@ static int mlx4_en_dcbnl_setapp(struct net_device *netdev, u8 idtype, struct mlx4_en_priv *priv = netdev_priv(netdev); struct dcb_app app; - if (!(priv->cee_params.dcbx_cap & DCB_CAP_DCBX_VER_CEE)) + if (!(priv->dcbx_cap & DCB_CAP_DCBX_VER_CEE)) return -EINVAL; memset(&app, 0, sizeof(struct dcb_app)); @@ -433,7 +436,7 @@ static u8 mlx4_en_dcbnl_getdcbx(struct net_device *dev) { struct mlx4_en_priv *priv = netdev_priv(dev); - return priv->cee_params.dcbx_cap; + return priv->dcbx_cap; } static u8 mlx4_en_dcbnl_setdcbx(struct net_device *dev, u8 mode) @@ -442,7 +445,7 @@ static u8 mlx4_en_dcbnl_setdcbx(struct net_device *dev, u8 mode) struct ieee_ets ets = {0}; struct ieee_pfc pfc = {0}; - if (mode == priv->cee_params.dcbx_cap) + if (mode == priv->dcbx_cap) return 0; if ((mode & DCB_CAP_DCBX_LLD_MANAGED) || @@ -451,7 +454,7 @@ static u8 mlx4_en_dcbnl_setdcbx(struct net_device *dev, u8 mode) !(mode & DCB_CAP_DCBX_HOST)) goto err; - priv->cee_params.dcbx_cap = mode; + priv->dcbx_cap = mode; ets.ets_cap = IEEE_8021QAZ_MAX_TCS; pfc.pfc_cap = IEEE_8021QAZ_MAX_TCS; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 4198e9bf89d0..fedb829276f4 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -71,10 +71,11 @@ int mlx4_en_setup_tc(struct net_device *dev, u8 up) #ifdef CONFIG_MLX4_EN_DCB if (!mlx4_is_slave(priv->mdev->dev)) { if (up) { - priv->flags |= MLX4_EN_FLAG_DCB_ENABLED; + if (priv->dcbx_cap) + priv->flags |= MLX4_EN_FLAG_DCB_ENABLED; } else { priv->flags &= ~MLX4_EN_FLAG_DCB_ENABLED; - priv->cee_params.dcb_cfg.pfc_state = false; + priv->cee_config.pfc_state = false; } } #endif /* CONFIG_MLX4_EN_DCB */ @@ -3048,9 +3049,6 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, struct mlx4_en_priv *priv; int i; int err; -#ifdef CONFIG_MLX4_EN_DCB - struct tc_configuration *tc; -#endif dev = alloc_etherdev_mqs(sizeof(struct mlx4_en_priv), MAX_TX_RINGS, MAX_RX_RINGS); @@ -3117,16 +3115,13 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, priv->msg_enable = MLX4_EN_MSG_LEVEL; #ifdef CONFIG_MLX4_EN_DCB if (!mlx4_is_slave(priv->mdev->dev)) { - priv->cee_params.dcbx_cap = DCB_CAP_DCBX_VER_CEE | - DCB_CAP_DCBX_HOST | - DCB_CAP_DCBX_VER_IEEE; + priv->dcbx_cap = DCB_CAP_DCBX_VER_CEE | DCB_CAP_DCBX_HOST | + DCB_CAP_DCBX_VER_IEEE; priv->flags |= MLX4_EN_DCB_ENABLED; - priv->cee_params.dcb_cfg.pfc_state = false; + priv->cee_config.pfc_state = false; - for (i = 0; i < MLX4_EN_NUM_UP; i++) { - tc = &priv->cee_params.dcb_cfg.tc_config[i]; - tc->dcb_pfc = pfc_disabled; - } + for (i = 0; i < MLX4_EN_NUM_UP; i++) + priv->cee_config.dcb_pfc[i] = pfc_disabled; if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_ETS_CFG) { dev->dcbnl_ops = &mlx4_en_dcbnl_ops; diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index 9df87ca0515a..e2509bba3e7c 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -818,7 +818,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) real_size = get_real_size(skb, shinfo, dev, &lso_header_size, &inline_ok, &fragptr); if (unlikely(!real_size)) - goto tx_drop; + goto tx_drop_count; /* Align descriptor to TXBB size */ desc_size = ALIGN(real_size, TXBB_SIZE); @@ -826,7 +826,7 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) if (unlikely(nr_txbb > MAX_DESC_TXBBS)) { if (netif_msg_tx_err(priv)) en_warn(priv, "Oversized header or SG list\n"); - goto tx_drop; + goto tx_drop_count; } bf_ok = ring->bf_enabled; @@ -1071,9 +1071,10 @@ tx_drop_unmap: PCI_DMA_TODEVICE); } +tx_drop_count: + ring->tx_dropped++; tx_drop: dev_kfree_skb_any(skb); - ring->tx_dropped++; return NETDEV_TX_OK; } @@ -1106,7 +1107,7 @@ netdev_tx_t mlx4_en_xmit_frame(struct mlx4_en_rx_alloc *frame, goto tx_drop; if (mlx4_en_is_tx_ring_full(ring)) - goto tx_drop; + goto tx_drop_count; /* fetch ring->cons far ahead before needing it to avoid stall */ ring_cons = READ_ONCE(ring->cons); @@ -1176,7 +1177,8 @@ netdev_tx_t mlx4_en_xmit_frame(struct mlx4_en_rx_alloc *frame, return NETDEV_TX_OK; -tx_drop: +tx_drop_count: ring->tx_dropped++; +tx_drop: return NETDEV_TX_BUSY; } diff --git a/drivers/net/ethernet/mellanox/mlx4/eq.c b/drivers/net/ethernet/mellanox/mlx4/eq.c index f613977455e0..cf8f8a72a801 100644 --- a/drivers/net/ethernet/mellanox/mlx4/eq.c +++ b/drivers/net/ethernet/mellanox/mlx4/eq.c @@ -1305,8 +1305,8 @@ int mlx4_init_eq_table(struct mlx4_dev *dev) return 0; err_out_unmap: - while (i >= 0) - mlx4_free_eq(dev, &priv->eq_table.eq[i--]); + while (i > 0) + mlx4_free_eq(dev, &priv->eq_table.eq[--i]); #ifdef CONFIG_RFS_ACCEL for (i = 1; i <= dev->caps.num_ports; i++) { if (mlx4_priv(dev)->port[i].rmap) { diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 75dd2e3d3059..7183ac4135d2 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -2970,6 +2970,7 @@ static int mlx4_init_port_info(struct mlx4_dev *dev, int port) mlx4_err(dev, "Failed to create mtu file for port %d\n", port); device_remove_file(&info->dev->persist->pdev->dev, &info->port_attr); + devlink_port_unregister(&info->devlink_port); info->port = -1; } @@ -2984,6 +2985,8 @@ static void mlx4_cleanup_port_info(struct mlx4_port_info *info) device_remove_file(&info->dev->persist->pdev->dev, &info->port_attr); device_remove_file(&info->dev->persist->pdev->dev, &info->port_mtu_attr); + devlink_port_unregister(&info->devlink_port); + #ifdef CONFIG_RFS_ACCEL free_irq_cpu_rmap(info->rmap); info->rmap = NULL; diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h index 2c2913dcae98..9099dbd04951 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h @@ -482,20 +482,10 @@ enum dcb_pfc_type { pfc_enabled_rx }; -struct tc_configuration { - enum dcb_pfc_type dcb_pfc; -}; - struct mlx4_en_cee_config { bool pfc_state; - struct tc_configuration tc_config[MLX4_EN_NUM_UP]; + enum dcb_pfc_type dcb_pfc[MLX4_EN_NUM_UP]; }; - -struct mlx4_en_cee_params { - u8 dcbx_cap; - struct mlx4_en_cee_config dcb_cfg; -}; - #endif struct ethtool_flow_id { @@ -624,7 +614,8 @@ struct mlx4_en_priv { struct ieee_ets ets; u16 maxrate[IEEE_8021QAZ_MAX_TCS]; enum dcbnl_cndd_states cndd_state[IEEE_8021QAZ_MAX_TCS]; - struct mlx4_en_cee_params cee_params; + struct mlx4_en_cee_config cee_config; + u8 dcbx_cap; #endif #ifdef CONFIG_RFS_ACCEL spinlock_t filters_lock; diff --git a/drivers/net/ethernet/mellanox/mlx4/port.c b/drivers/net/ethernet/mellanox/mlx4/port.c index 3d2095e5c61c..c5b2064297a1 100644 --- a/drivers/net/ethernet/mellanox/mlx4/port.c +++ b/drivers/net/ethernet/mellanox/mlx4/port.c @@ -52,7 +52,7 @@ #define MLX4_FLAG_V_IGNORE_FCS_MASK 0x2 #define MLX4_IGNORE_FCS_MASK 0x1 -#define MLNX4_TX_MAX_NUMBER 8 +#define MLX4_TC_MAX_NUMBER 8 void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table) { @@ -2022,7 +2022,7 @@ int mlx4_max_tc(struct mlx4_dev *dev) u8 num_tc = dev->caps.max_tc_eth; if (!num_tc) - num_tc = MLNX4_TX_MAX_NUMBER; + num_tc = MLX4_TC_MAX_NUMBER; return num_tc; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index d0cf8fa22659..7a346bb2ed00 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -331,7 +331,7 @@ static void mlx5e_get_ethtool_stats(struct net_device *dev, if (mlx5e_query_global_pause_combined(priv)) { for (i = 0; i < NUM_PPORT_PER_PRIO_PFC_COUNTERS; i++) { data[idx++] = MLX5E_READ_CTR64_BE(&priv->stats.pport.per_prio_counters[0], - pport_per_prio_pfc_stats_desc, 0); + pport_per_prio_pfc_stats_desc, i); } } @@ -659,9 +659,10 @@ out: static void ptys2ethtool_supported_link(unsigned long *supported_modes, u32 eth_proto_cap) { + unsigned long proto_cap = eth_proto_cap; int proto; - for_each_set_bit(proto, (unsigned long *)ð_proto_cap, MLX5E_LINK_MODES_NUMBER) + for_each_set_bit(proto, &proto_cap, MLX5E_LINK_MODES_NUMBER) bitmap_or(supported_modes, supported_modes, ptys2ethtool_table[proto].supported, __ETHTOOL_LINK_MODE_MASK_NBITS); @@ -670,9 +671,10 @@ static void ptys2ethtool_supported_link(unsigned long *supported_modes, static void ptys2ethtool_adver_link(unsigned long *advertising_modes, u32 eth_proto_cap) { + unsigned long proto_cap = eth_proto_cap; int proto; - for_each_set_bit(proto, (unsigned long *)ð_proto_cap, MLX5E_LINK_MODES_NUMBER) + for_each_set_bit(proto, &proto_cap, MLX5E_LINK_MODES_NUMBER) bitmap_or(advertising_modes, advertising_modes, ptys2ethtool_table[proto].advertised, __ETHTOOL_LINK_MODE_MASK_NBITS); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index b6f8ebbdb487..e7c969df3dad 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -637,24 +637,32 @@ bool mlx5e_post_rx_wqes(struct mlx5e_rq *rq) static void mlx5e_lro_update_hdr(struct sk_buff *skb, struct mlx5_cqe64 *cqe, u32 cqe_bcnt) { - struct ethhdr *eth = (struct ethhdr *)(skb->data); - struct iphdr *ipv4 = (struct iphdr *)(skb->data + ETH_HLEN); - struct ipv6hdr *ipv6 = (struct ipv6hdr *)(skb->data + ETH_HLEN); + struct ethhdr *eth = (struct ethhdr *)(skb->data); + struct iphdr *ipv4; + struct ipv6hdr *ipv6; struct tcphdr *tcp; + int network_depth = 0; + __be16 proto; + u16 tot_len; u8 l4_hdr_type = get_cqe_l4_hdr_type(cqe); int tcp_ack = ((CQE_L4_HDR_TYPE_TCP_ACK_NO_DATA == l4_hdr_type) || (CQE_L4_HDR_TYPE_TCP_ACK_AND_DATA == l4_hdr_type)); - u16 tot_len = cqe_bcnt - ETH_HLEN; + skb->mac_len = ETH_HLEN; + proto = __vlan_get_protocol(skb, eth->h_proto, &network_depth); - if (eth->h_proto == htons(ETH_P_IP)) { - tcp = (struct tcphdr *)(skb->data + ETH_HLEN + + ipv4 = (struct iphdr *)(skb->data + network_depth); + ipv6 = (struct ipv6hdr *)(skb->data + network_depth); + tot_len = cqe_bcnt - network_depth; + + if (proto == htons(ETH_P_IP)) { + tcp = (struct tcphdr *)(skb->data + network_depth + sizeof(struct iphdr)); ipv6 = NULL; skb_shinfo(skb)->gso_type = SKB_GSO_TCPV4; } else { - tcp = (struct tcphdr *)(skb->data + ETH_HLEN + + tcp = (struct tcphdr *)(skb->data + network_depth + sizeof(struct ipv6hdr)); ipv4 = NULL; skb_shinfo(skb)->gso_type = SKB_GSO_TCPV6; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c index 988eca99ee0f..eb0e72537f10 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c @@ -356,6 +356,7 @@ static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_sq *sq, struct sk_buff *skb) sq->stats.stopped++; } + sq->stats.xmit_more += skb->xmit_more; if (!skb->xmit_more || netif_xmit_stopped(sq->txq)) { int bf_sz = 0; @@ -375,7 +376,6 @@ static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_sq *sq, struct sk_buff *skb) sq->stats.packets++; sq->stats.bytes += num_bytes; - sq->stats.xmit_more += skb->xmit_more; return NETDEV_TX_OK; dma_unmap_wqe_err: diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index 8b78f156214e..b247949df135 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -1554,6 +1554,7 @@ int mlx5_eswitch_enable_sriov(struct mlx5_eswitch *esw, int nvfs, int mode) abort: esw_enable_vport(esw, 0, UC_ADDR_CHANGE); + esw->mode = SRIOV_NONE; return err; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 3dc83a9459a4..7de40e6b0c25 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -446,7 +446,7 @@ out: static int esw_offloads_start(struct mlx5_eswitch *esw) { - int err, num_vfs = esw->dev->priv.sriov.num_vfs; + int err, err1, num_vfs = esw->dev->priv.sriov.num_vfs; if (esw->mode != SRIOV_LEGACY) { esw_warn(esw->dev, "Can't set offloads mode, SRIOV legacy not enabled\n"); @@ -455,8 +455,12 @@ static int esw_offloads_start(struct mlx5_eswitch *esw) mlx5_eswitch_disable_sriov(esw); err = mlx5_eswitch_enable_sriov(esw, num_vfs, SRIOV_OFFLOADS); - if (err) - esw_warn(esw->dev, "Failed set eswitch to offloads, err %d\n", err); + if (err) { + esw_warn(esw->dev, "Failed setting eswitch to offloads, err %d\n", err); + err1 = mlx5_eswitch_enable_sriov(esw, num_vfs, SRIOV_LEGACY); + if (err1) + esw_warn(esw->dev, "Failed setting eswitch back to legacy, err %d\n", err); + } return err; } @@ -508,12 +512,16 @@ create_ft_err: static int esw_offloads_stop(struct mlx5_eswitch *esw) { - int err, num_vfs = esw->dev->priv.sriov.num_vfs; + int err, err1, num_vfs = esw->dev->priv.sriov.num_vfs; mlx5_eswitch_disable_sriov(esw); err = mlx5_eswitch_enable_sriov(esw, num_vfs, SRIOV_LEGACY); - if (err) - esw_warn(esw->dev, "Failed set eswitch legacy mode. err %d\n", err); + if (err) { + esw_warn(esw->dev, "Failed setting eswitch to legacy, err %d\n", err); + err1 = mlx5_eswitch_enable_sriov(esw, num_vfs, SRIOV_OFFLOADS); + if (err1) + esw_warn(esw->dev, "Failed setting eswitch back to offloads, err %d\n", err); + } return err; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c index 9134010e2921..287ade151ec8 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c @@ -425,11 +425,11 @@ struct mlx5_cmd_fc_bulk * mlx5_cmd_fc_bulk_alloc(struct mlx5_core_dev *dev, u16 id, int num) { struct mlx5_cmd_fc_bulk *b; - int outlen = sizeof(*b) + + int outlen = MLX5_ST_SZ_BYTES(query_flow_counter_out) + MLX5_ST_SZ_BYTES(traffic_counter) * num; - b = kzalloc(outlen, GFP_KERNEL); + b = kzalloc(sizeof(*b) + outlen, GFP_KERNEL); if (!b) return NULL; diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index 7291f2c4b0c7..d48873bcbddf 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -56,6 +56,7 @@ #include <generated/utsrelease.h> #include <net/pkt_cls.h> #include <net/tc_act/tc_mirred.h> +#include <net/netevent.h> #include "spectrum.h" #include "core.h" @@ -2105,6 +2106,13 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port, dev->netdev_ops = &mlxsw_sp_port_netdev_ops; dev->ethtool_ops = &mlxsw_sp_port_ethtool_ops; + err = mlxsw_sp_port_swid_set(mlxsw_sp_port, 0); + if (err) { + dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set SWID\n", + mlxsw_sp_port->local_port); + goto err_port_swid_set; + } + err = mlxsw_sp_port_dev_addr_init(mlxsw_sp_port); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Unable to init port mac address\n", @@ -2130,13 +2138,6 @@ static int mlxsw_sp_port_create(struct mlxsw_sp *mlxsw_sp, u8 local_port, goto err_port_system_port_mapping_set; } - err = mlxsw_sp_port_swid_set(mlxsw_sp_port, 0); - if (err) { - dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to set SWID\n", - mlxsw_sp_port->local_port); - goto err_port_swid_set; - } - err = mlxsw_sp_port_speed_by_width_set(mlxsw_sp_port, width); if (err) { dev_err(mlxsw_sp->bus_info->dev, "Port %d: Failed to enable speeds\n", @@ -2218,10 +2219,10 @@ err_port_buffers_init: err_port_admin_status_set: err_port_mtu_set: err_port_speed_by_width_set: - mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT); -err_port_swid_set: err_port_system_port_mapping_set: err_dev_addr_init: + mlxsw_sp_port_swid_set(mlxsw_sp_port, MLXSW_PORT_SWID_DISABLED_PORT); +err_port_swid_set: free_percpu(mlxsw_sp_port->pcpu_stats); err_alloc_stats: kfree(mlxsw_sp_port->untagged_vlans); @@ -4541,18 +4542,26 @@ static struct notifier_block mlxsw_sp_inetaddr_nb __read_mostly = { .priority = 10, /* Must be called before FIB notifier block */ }; +static struct notifier_block mlxsw_sp_router_netevent_nb __read_mostly = { + .notifier_call = mlxsw_sp_router_netevent_event, +}; + static int __init mlxsw_sp_module_init(void) { int err; register_netdevice_notifier(&mlxsw_sp_netdevice_nb); register_inetaddr_notifier(&mlxsw_sp_inetaddr_nb); + register_netevent_notifier(&mlxsw_sp_router_netevent_nb); + err = mlxsw_core_driver_register(&mlxsw_sp_driver); if (err) goto err_core_driver_register; return 0; err_core_driver_register: + unregister_netevent_notifier(&mlxsw_sp_router_netevent_nb); + unregister_inetaddr_notifier(&mlxsw_sp_inetaddr_nb); unregister_netdevice_notifier(&mlxsw_sp_netdevice_nb); return err; } @@ -4560,6 +4569,7 @@ err_core_driver_register: static void __exit mlxsw_sp_module_exit(void) { mlxsw_core_driver_unregister(&mlxsw_sp_driver); + unregister_netevent_notifier(&mlxsw_sp_router_netevent_nb); unregister_inetaddr_notifier(&mlxsw_sp_inetaddr_nb); unregister_netdevice_notifier(&mlxsw_sp_netdevice_nb); } diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h index ab3feb81bd43..ac48abebe904 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.h +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.h @@ -587,6 +587,8 @@ int mlxsw_sp_router_neigh_construct(struct net_device *dev, struct neighbour *n); void mlxsw_sp_router_neigh_destroy(struct net_device *dev, struct neighbour *n); +int mlxsw_sp_router_netevent_event(struct notifier_block *unused, + unsigned long event, void *ptr); int mlxsw_sp_kvdl_alloc(struct mlxsw_sp *mlxsw_sp, unsigned int entry_count); void mlxsw_sp_kvdl_free(struct mlxsw_sp *mlxsw_sp, int entry_index); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c index 917ddd1e422f..3f5c51da6d3e 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c @@ -107,6 +107,7 @@ mlxsw_sp_prefix_usage_clear(struct mlxsw_sp_prefix_usage *prefix_usage, } struct mlxsw_sp_fib_key { + struct net_device *dev; unsigned char addr[sizeof(struct in6_addr)]; unsigned char prefix_len; }; @@ -123,7 +124,7 @@ struct mlxsw_sp_fib_entry { struct rhash_head ht_node; struct mlxsw_sp_fib_key key; enum mlxsw_sp_fib_entry_type type; - u8 added:1; + unsigned int ref_count; u16 rif; /* used for action local */ struct mlxsw_sp_vr *vr; struct list_head nexthop_group_node; @@ -171,13 +172,15 @@ static void mlxsw_sp_fib_entry_remove(struct mlxsw_sp_fib *fib, static struct mlxsw_sp_fib_entry * mlxsw_sp_fib_entry_create(struct mlxsw_sp_fib *fib, const void *addr, - size_t addr_len, unsigned char prefix_len) + size_t addr_len, unsigned char prefix_len, + struct net_device *dev) { struct mlxsw_sp_fib_entry *fib_entry; fib_entry = kzalloc(sizeof(*fib_entry), GFP_KERNEL); if (!fib_entry) return NULL; + fib_entry->key.dev = dev; memcpy(fib_entry->key.addr, addr, addr_len); fib_entry->key.prefix_len = prefix_len; return fib_entry; @@ -190,10 +193,13 @@ static void mlxsw_sp_fib_entry_destroy(struct mlxsw_sp_fib_entry *fib_entry) static struct mlxsw_sp_fib_entry * mlxsw_sp_fib_entry_lookup(struct mlxsw_sp_fib *fib, const void *addr, - size_t addr_len, unsigned char prefix_len) + size_t addr_len, unsigned char prefix_len, + struct net_device *dev) { - struct mlxsw_sp_fib_key key = {{ 0 } }; + struct mlxsw_sp_fib_key key; + memset(&key, 0, sizeof(key)); + key.dev = dev; memcpy(key.addr, addr, addr_len); key.prefix_len = prefix_len; return rhashtable_lookup_fast(&fib->ht, &key, mlxsw_sp_fib_ht_params); @@ -938,8 +944,8 @@ static void mlxsw_sp_router_neigh_update_hw(struct work_struct *work) mlxsw_sp_port_dev_put(mlxsw_sp_port); } -static int mlxsw_sp_router_netevent_event(struct notifier_block *unused, - unsigned long event, void *ptr) +int mlxsw_sp_router_netevent_event(struct notifier_block *unused, + unsigned long event, void *ptr) { struct mlxsw_sp_neigh_entry *neigh_entry; struct mlxsw_sp_port *mlxsw_sp_port; @@ -1009,10 +1015,6 @@ static int mlxsw_sp_router_netevent_event(struct notifier_block *unused, return NOTIFY_DONE; } -static struct notifier_block mlxsw_sp_router_netevent_nb __read_mostly = { - .notifier_call = mlxsw_sp_router_netevent_event, -}; - static int mlxsw_sp_neigh_init(struct mlxsw_sp *mlxsw_sp) { int err; @@ -1027,10 +1029,6 @@ static int mlxsw_sp_neigh_init(struct mlxsw_sp *mlxsw_sp) */ mlxsw_sp_router_neighs_update_interval_init(mlxsw_sp); - err = register_netevent_notifier(&mlxsw_sp_router_netevent_nb); - if (err) - goto err_register_netevent_notifier; - /* Create the delayed works for the activity_update */ INIT_DELAYED_WORK(&mlxsw_sp->router.neighs_update.dw, mlxsw_sp_router_neighs_update_work); @@ -1039,17 +1037,12 @@ static int mlxsw_sp_neigh_init(struct mlxsw_sp *mlxsw_sp) mlxsw_core_schedule_dw(&mlxsw_sp->router.neighs_update.dw, 0); mlxsw_core_schedule_dw(&mlxsw_sp->router.nexthop_probe_dw, 0); return 0; - -err_register_netevent_notifier: - rhashtable_destroy(&mlxsw_sp->router.neigh_ht); - return err; } static void mlxsw_sp_neigh_fini(struct mlxsw_sp *mlxsw_sp) { cancel_delayed_work_sync(&mlxsw_sp->router.neighs_update.dw); cancel_delayed_work_sync(&mlxsw_sp->router.nexthop_probe_dw); - unregister_netevent_notifier(&mlxsw_sp_router_netevent_nb); rhashtable_destroy(&mlxsw_sp->router.neigh_ht); } @@ -1524,7 +1517,14 @@ int mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp) return err; mlxsw_sp_lpm_init(mlxsw_sp); mlxsw_sp_vrs_init(mlxsw_sp); - return mlxsw_sp_neigh_init(mlxsw_sp); + err = mlxsw_sp_neigh_init(mlxsw_sp); + if (err) + goto err_neigh_init; + return 0; + +err_neigh_init: + __mlxsw_sp_router_fini(mlxsw_sp); + return err; } void mlxsw_sp_router_fini(struct mlxsw_sp *mlxsw_sp) @@ -1626,11 +1626,8 @@ static int mlxsw_sp_fib_entry_op(struct mlxsw_sp *mlxsw_sp, static int mlxsw_sp_fib_entry_update(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_fib_entry *fib_entry) { - enum mlxsw_reg_ralue_op op; - - op = !fib_entry->added ? MLXSW_REG_RALUE_OP_WRITE_WRITE : - MLXSW_REG_RALUE_OP_WRITE_UPDATE; - return mlxsw_sp_fib_entry_op(mlxsw_sp, fib_entry, op); + return mlxsw_sp_fib_entry_op(mlxsw_sp, fib_entry, + MLXSW_REG_RALUE_OP_WRITE_WRITE); } static int mlxsw_sp_fib_entry_del(struct mlxsw_sp *mlxsw_sp, @@ -1695,34 +1692,93 @@ mlxsw_sp_router_fib4_entry_fini(struct mlxsw_sp *mlxsw_sp, mlxsw_sp_nexthop_group_put(mlxsw_sp, fib_entry); } -static int -mlxsw_sp_router_fib4_add_prepare(struct mlxsw_sp_port *mlxsw_sp_port, - const struct switchdev_obj_ipv4_fib *fib4, - struct switchdev_trans *trans) +static struct mlxsw_sp_fib_entry * +mlxsw_sp_fib_entry_get(struct mlxsw_sp *mlxsw_sp, + const struct switchdev_obj_ipv4_fib *fib4) { - struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; - struct mlxsw_sp_router_fib4_add_info *info; struct mlxsw_sp_fib_entry *fib_entry; + struct fib_info *fi = fib4->fi; struct mlxsw_sp_vr *vr; int err; vr = mlxsw_sp_vr_get(mlxsw_sp, fib4->dst_len, fib4->tb_id, MLXSW_SP_L3_PROTO_IPV4); if (IS_ERR(vr)) - return PTR_ERR(vr); + return ERR_CAST(vr); + fib_entry = mlxsw_sp_fib_entry_lookup(vr->fib, &fib4->dst, + sizeof(fib4->dst), + fib4->dst_len, fi->fib_dev); + if (fib_entry) { + /* Already exists, just take a reference */ + fib_entry->ref_count++; + return fib_entry; + } fib_entry = mlxsw_sp_fib_entry_create(vr->fib, &fib4->dst, - sizeof(fib4->dst), fib4->dst_len); + sizeof(fib4->dst), + fib4->dst_len, fi->fib_dev); if (!fib_entry) { err = -ENOMEM; goto err_fib_entry_create; } fib_entry->vr = vr; + fib_entry->ref_count = 1; err = mlxsw_sp_router_fib4_entry_init(mlxsw_sp, fib4, fib_entry); if (err) goto err_fib4_entry_init; + return fib_entry; + +err_fib4_entry_init: + mlxsw_sp_fib_entry_destroy(fib_entry); +err_fib_entry_create: + mlxsw_sp_vr_put(mlxsw_sp, vr); + + return ERR_PTR(err); +} + +static struct mlxsw_sp_fib_entry * +mlxsw_sp_fib_entry_find(struct mlxsw_sp *mlxsw_sp, + const struct switchdev_obj_ipv4_fib *fib4) +{ + struct mlxsw_sp_vr *vr; + + vr = mlxsw_sp_vr_find(mlxsw_sp, fib4->tb_id, MLXSW_SP_L3_PROTO_IPV4); + if (!vr) + return NULL; + + return mlxsw_sp_fib_entry_lookup(vr->fib, &fib4->dst, + sizeof(fib4->dst), fib4->dst_len, + fib4->fi->fib_dev); +} + +void mlxsw_sp_fib_entry_put(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_fib_entry *fib_entry) +{ + struct mlxsw_sp_vr *vr = fib_entry->vr; + + if (--fib_entry->ref_count == 0) { + mlxsw_sp_router_fib4_entry_fini(mlxsw_sp, fib_entry); + mlxsw_sp_fib_entry_destroy(fib_entry); + } + mlxsw_sp_vr_put(mlxsw_sp, vr); +} + +static int +mlxsw_sp_router_fib4_add_prepare(struct mlxsw_sp_port *mlxsw_sp_port, + const struct switchdev_obj_ipv4_fib *fib4, + struct switchdev_trans *trans) +{ + struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; + struct mlxsw_sp_router_fib4_add_info *info; + struct mlxsw_sp_fib_entry *fib_entry; + int err; + + fib_entry = mlxsw_sp_fib_entry_get(mlxsw_sp, fib4); + if (IS_ERR(fib_entry)) + return PTR_ERR(fib_entry); + info = kmalloc(sizeof(*info), GFP_KERNEL); if (!info) { err = -ENOMEM; @@ -1736,11 +1792,7 @@ mlxsw_sp_router_fib4_add_prepare(struct mlxsw_sp_port *mlxsw_sp_port, return 0; err_alloc_info: - mlxsw_sp_router_fib4_entry_fini(mlxsw_sp, fib_entry); -err_fib4_entry_init: - mlxsw_sp_fib_entry_destroy(fib_entry); -err_fib_entry_create: - mlxsw_sp_vr_put(mlxsw_sp, vr); + mlxsw_sp_fib_entry_put(mlxsw_sp, fib_entry); return err; } @@ -1759,11 +1811,14 @@ mlxsw_sp_router_fib4_add_commit(struct mlxsw_sp_port *mlxsw_sp_port, fib_entry = info->fib_entry; kfree(info); + if (fib_entry->ref_count != 1) + return 0; + vr = fib_entry->vr; - err = mlxsw_sp_fib_entry_insert(fib_entry->vr->fib, fib_entry); + err = mlxsw_sp_fib_entry_insert(vr->fib, fib_entry); if (err) goto err_fib_entry_insert; - err = mlxsw_sp_fib_entry_update(mlxsw_sp, fib_entry); + err = mlxsw_sp_fib_entry_update(mlxsw_sp_port->mlxsw_sp, fib_entry); if (err) goto err_fib_entry_add; return 0; @@ -1771,9 +1826,7 @@ mlxsw_sp_router_fib4_add_commit(struct mlxsw_sp_port *mlxsw_sp_port, err_fib_entry_add: mlxsw_sp_fib_entry_remove(vr->fib, fib_entry); err_fib_entry_insert: - mlxsw_sp_router_fib4_entry_fini(mlxsw_sp, fib_entry); - mlxsw_sp_fib_entry_destroy(fib_entry); - mlxsw_sp_vr_put(mlxsw_sp, vr); + mlxsw_sp_fib_entry_put(mlxsw_sp, fib_entry); return err; } @@ -1793,23 +1846,18 @@ int mlxsw_sp_router_fib4_del(struct mlxsw_sp_port *mlxsw_sp_port, { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; struct mlxsw_sp_fib_entry *fib_entry; - struct mlxsw_sp_vr *vr; - vr = mlxsw_sp_vr_find(mlxsw_sp, fib4->tb_id, MLXSW_SP_L3_PROTO_IPV4); - if (!vr) { - dev_warn(mlxsw_sp->bus_info->dev, "Failed to find virtual router for FIB4 entry being removed.\n"); - return -ENOENT; - } - fib_entry = mlxsw_sp_fib_entry_lookup(vr->fib, &fib4->dst, - sizeof(fib4->dst), fib4->dst_len); + fib_entry = mlxsw_sp_fib_entry_find(mlxsw_sp, fib4); if (!fib_entry) { dev_warn(mlxsw_sp->bus_info->dev, "Failed to find FIB4 entry being removed.\n"); return -ENOENT; } - mlxsw_sp_fib_entry_del(mlxsw_sp_port->mlxsw_sp, fib_entry); - mlxsw_sp_fib_entry_remove(vr->fib, fib_entry); - mlxsw_sp_router_fib4_entry_fini(mlxsw_sp, fib_entry); - mlxsw_sp_fib_entry_destroy(fib_entry); - mlxsw_sp_vr_put(mlxsw_sp, vr); + + if (fib_entry->ref_count == 1) { + mlxsw_sp_fib_entry_del(mlxsw_sp, fib_entry); + mlxsw_sp_fib_entry_remove(fib_entry->vr->fib, fib_entry); + } + + mlxsw_sp_fib_entry_put(mlxsw_sp, fib_entry); return 0; } diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c index d1b59cdfacc1..7b654c517b91 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c @@ -167,8 +167,8 @@ static int mlxsw_sp_port_attr_stp_state_set(struct mlxsw_sp_port *mlxsw_sp_port, } static int __mlxsw_sp_port_flood_set(struct mlxsw_sp_port *mlxsw_sp_port, - u16 idx_begin, u16 idx_end, bool set, - bool only_uc) + u16 idx_begin, u16 idx_end, bool uc_set, + bool bm_set) { struct mlxsw_sp *mlxsw_sp = mlxsw_sp_port->mlxsw_sp; u16 local_port = mlxsw_sp_port->local_port; @@ -187,28 +187,22 @@ static int __mlxsw_sp_port_flood_set(struct mlxsw_sp_port *mlxsw_sp_port, return -ENOMEM; mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_UC, idx_begin, - table_type, range, local_port, set); + table_type, range, local_port, uc_set); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl); if (err) goto buffer_out; - /* Flooding control allows one to decide whether a given port will - * flood unicast traffic for which there is no FDB entry. - */ - if (only_uc) - goto buffer_out; - mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_BM, idx_begin, - table_type, range, local_port, set); + table_type, range, local_port, bm_set); err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl); if (err) goto err_flood_bm_set; - else - goto buffer_out; + + goto buffer_out; err_flood_bm_set: mlxsw_reg_sftr_pack(sftr_pl, MLXSW_SP_FLOOD_TABLE_UC, idx_begin, - table_type, range, local_port, !set); + table_type, range, local_port, !uc_set); mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(sftr), sftr_pl); buffer_out: kfree(sftr_pl); @@ -257,8 +251,7 @@ int mlxsw_sp_vport_flood_set(struct mlxsw_sp_port *mlxsw_sp_vport, u16 fid, * the start of the vFIDs range. */ vfid = mlxsw_sp_fid_to_vfid(fid); - return __mlxsw_sp_port_flood_set(mlxsw_sp_vport, vfid, vfid, set, - false); + return __mlxsw_sp_port_flood_set(mlxsw_sp_vport, vfid, vfid, set, set); } static int mlxsw_sp_port_attr_br_flags_set(struct mlxsw_sp_port *mlxsw_sp_port, @@ -460,6 +453,9 @@ static int __mlxsw_sp_port_fid_join(struct mlxsw_sp_port *mlxsw_sp_port, { struct mlxsw_sp_fid *f; + if (test_bit(fid, mlxsw_sp_port->active_vlans)) + return 0; + f = mlxsw_sp_fid_find(mlxsw_sp_port->mlxsw_sp, fid); if (!f) { f = mlxsw_sp_fid_create(mlxsw_sp_port->mlxsw_sp, fid); @@ -517,7 +513,7 @@ static int mlxsw_sp_port_fid_join(struct mlxsw_sp_port *mlxsw_sp_port, } err = __mlxsw_sp_port_flood_set(mlxsw_sp_port, fid_begin, fid_end, - true, false); + mlxsw_sp_port->uc_flood, true); if (err) goto err_port_flood_set; diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index 88678c172b19..39dadfca84ef 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -41,7 +41,6 @@ * Chris Telfer <chris.telfer@netronome.com> */ -#include <linux/version.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> @@ -1441,10 +1440,6 @@ static int nfp_net_rx(struct nfp_net_rx_ring *rx_ring, int budget) nfp_net_set_hash(nn->netdev, skb, rxd); - /* Pad small frames to minimum */ - if (skb_put_padto(skb, 60)) - break; - /* Stats update */ u64_stats_update_begin(&r_vec->rx_sync); r_vec->rx_pkts++; @@ -2049,12 +2044,16 @@ static int nfp_net_netdev_open(struct net_device *netdev) nn->rx_rings = kcalloc(nn->num_rx_rings, sizeof(*nn->rx_rings), GFP_KERNEL); - if (!nn->rx_rings) + if (!nn->rx_rings) { + err = -ENOMEM; goto err_free_lsc; + } nn->tx_rings = kcalloc(nn->num_tx_rings, sizeof(*nn->tx_rings), GFP_KERNEL); - if (!nn->tx_rings) + if (!nn->tx_rings) { + err = -ENOMEM; goto err_free_rx_rings; + } for (r = 0; r < nn->num_r_vecs; r++) { err = nfp_net_prepare_vector(nn, &nn->r_vecs[r], r); diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c index 7d7933d00b8f..4c9897220969 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_ethtool.c @@ -40,7 +40,6 @@ * Brad Petrus <brad.petrus@netronome.com> */ -#include <linux/version.h> #include <linux/kernel.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> diff --git a/drivers/net/ethernet/netronome/nfp/nfp_netvf_main.c b/drivers/net/ethernet/netronome/nfp/nfp_netvf_main.c index 37abef016a0a..f7062cb648e1 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_netvf_main.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_netvf_main.c @@ -38,7 +38,6 @@ * Rolf Neugebauer <rolf.neugebauer@netronome.com> */ -#include <linux/version.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> @@ -134,7 +133,7 @@ static int nfp_netvf_pci_probe(struct pci_dev *pdev, } nfp_net_get_fw_version(&fw_ver, ctrl_bar); - if (fw_ver.class != NFP_NET_CFG_VERSION_CLASS_GENERIC) { + if (fw_ver.resv || fw_ver.class != NFP_NET_CFG_VERSION_CLASS_GENERIC) { dev_err(&pdev->dev, "Unknown Firmware ABI %d.%d.%d.%d\n", fw_ver.resv, fw_ver.class, fw_ver.major, fw_ver.minor); err = -EINVAL; @@ -142,9 +141,7 @@ static int nfp_netvf_pci_probe(struct pci_dev *pdev, } /* Determine stride */ - if (nfp_net_fw_ver_eq(&fw_ver, 0, 0, 0, 0) || - nfp_net_fw_ver_eq(&fw_ver, 0, 0, 0, 1) || - nfp_net_fw_ver_eq(&fw_ver, 0, 0, 0x12, 0x48)) { + if (nfp_net_fw_ver_eq(&fw_ver, 0, 0, 0, 1)) { stride = 2; tx_bar_no = NFP_NET_Q0_BAR; rx_bar_no = NFP_NET_Q1_BAR; diff --git a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c index 226cb08cc055..3656d2fd673d 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_dcbx.c +++ b/drivers/net/ethernet/qlogic/qed/qed_dcbx.c @@ -19,6 +19,7 @@ #include "qed_dcbx.h" #include "qed_hsi.h" #include "qed_sp.h" +#include "qed_sriov.h" #ifdef CONFIG_DCB #include <linux/qed/qed_eth_if.h> #endif @@ -945,6 +946,9 @@ static int qed_dcbx_query_params(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt; int rc; + if (IS_VF(p_hwfn->cdev)) + return -EINVAL; + p_ptt = qed_ptt_acquire(p_hwfn); if (!p_ptt) return -EBUSY; @@ -984,6 +988,7 @@ qed_dcbx_set_pfc_data(struct qed_hwfn *p_hwfn, if (p_params->pfc.prio[i]) pfc_map |= BIT(i); + *pfc &= ~DCBX_PFC_PRI_EN_BITMAP_MASK; *pfc |= (pfc_map << DCBX_PFC_PRI_EN_BITMAP_SHIFT); DP_VERBOSE(p_hwfn, QED_MSG_DCB, "pfc = 0x%x\n", *pfc); @@ -1058,24 +1063,33 @@ qed_dcbx_set_app_data(struct qed_hwfn *p_hwfn, for (i = 0; i < DCBX_MAX_APP_PROTOCOL; i++) { entry = &p_app->app_pri_tbl[i].entry; + *entry = 0; if (ieee) { - *entry &= ~DCBX_APP_SF_IEEE_MASK; + *entry &= ~(DCBX_APP_SF_IEEE_MASK | DCBX_APP_SF_MASK); switch (p_params->app_entry[i].sf_ieee) { case QED_DCBX_SF_IEEE_ETHTYPE: *entry |= ((u32)DCBX_APP_SF_IEEE_ETHTYPE << DCBX_APP_SF_IEEE_SHIFT); + *entry |= ((u32)DCBX_APP_SF_ETHTYPE << + DCBX_APP_SF_SHIFT); break; case QED_DCBX_SF_IEEE_TCP_PORT: *entry |= ((u32)DCBX_APP_SF_IEEE_TCP_PORT << DCBX_APP_SF_IEEE_SHIFT); + *entry |= ((u32)DCBX_APP_SF_PORT << + DCBX_APP_SF_SHIFT); break; case QED_DCBX_SF_IEEE_UDP_PORT: *entry |= ((u32)DCBX_APP_SF_IEEE_UDP_PORT << DCBX_APP_SF_IEEE_SHIFT); + *entry |= ((u32)DCBX_APP_SF_PORT << + DCBX_APP_SF_SHIFT); break; case QED_DCBX_SF_IEEE_TCP_UDP_PORT: *entry |= ((u32)DCBX_APP_SF_IEEE_TCP_UDP_PORT << DCBX_APP_SF_IEEE_SHIFT); + *entry |= ((u32)DCBX_APP_SF_PORT << + DCBX_APP_SF_SHIFT); break; } } else { @@ -1175,7 +1189,7 @@ int qed_dcbx_get_config_params(struct qed_hwfn *p_hwfn, return 0; } - dcbx_info = kmalloc(sizeof(*dcbx_info), GFP_KERNEL); + dcbx_info = kzalloc(sizeof(*dcbx_info), GFP_KERNEL); if (!dcbx_info) { DP_ERR(p_hwfn, "Failed to allocate struct qed_dcbx_info\n"); return -ENOMEM; @@ -1212,7 +1226,7 @@ static struct qed_dcbx_get *qed_dcbnl_get_dcbx(struct qed_hwfn *hwfn, { struct qed_dcbx_get *dcbx_info; - dcbx_info = kmalloc(sizeof(*dcbx_info), GFP_KERNEL); + dcbx_info = kzalloc(sizeof(*dcbx_info), GFP_KERNEL); if (!dcbx_info) { DP_ERR(hwfn->cdev, "Failed to allocate memory for dcbx_info\n"); return NULL; diff --git a/drivers/net/ethernet/qlogic/qed/qed_mcp.c b/drivers/net/ethernet/qlogic/qed/qed_mcp.c index a240f26344a4..f776a77794c5 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_mcp.c +++ b/drivers/net/ethernet/qlogic/qed/qed_mcp.c @@ -1153,8 +1153,8 @@ qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn, p_drv_version = &union_data.drv_version; p_drv_version->version = p_ver->version; - for (i = 0; i < MCP_DRV_VER_STR_SIZE - 1; i += 4) { - val = cpu_to_be32(p_ver->name[i]); + for (i = 0; i < (MCP_DRV_VER_STR_SIZE - 4) / sizeof(u32); i++) { + val = cpu_to_be32(*((u32 *)&p_ver->name[i * sizeof(u32)])); *(__be32 *)&p_drv_version->name[i * sizeof(u32)] = val; } diff --git a/drivers/net/ethernet/qlogic/qede/qede_main.c b/drivers/net/ethernet/qlogic/qede/qede_main.c index a6eb6af8cbe8..9544e4c41359 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_main.c +++ b/drivers/net/ethernet/qlogic/qede/qede_main.c @@ -2520,7 +2520,8 @@ static int __qede_probe(struct pci_dev *pdev, u32 dp_module, u8 dp_level, edev->ops->register_ops(cdev, &qede_ll_ops, edev); #ifdef CONFIG_DCB - qede_set_dcbnl_ops(edev->ndev); + if (!IS_VF(edev)) + qede_set_dcbnl_ops(edev->ndev); #endif INIT_DELAYED_WORK(&edev->sp_task, qede_sp_task); diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index 799d58d86e6d..054e795df90f 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -201,9 +201,14 @@ static const u16 sh_eth_offset_fast_rz[SH_ETH_MAX_REGISTER_OFFSET] = { [ARSTR] = 0x0000, [TSU_CTRST] = 0x0004, + [TSU_FWSLC] = 0x0038, [TSU_VTAG0] = 0x0058, [TSU_ADSBSY] = 0x0060, [TSU_TEN] = 0x0064, + [TSU_POST1] = 0x0070, + [TSU_POST2] = 0x0074, + [TSU_POST3] = 0x0078, + [TSU_POST4] = 0x007c, [TSU_ADRH0] = 0x0100, [TXNLCR0] = 0x0080, @@ -2786,6 +2791,8 @@ static void sh_eth_tsu_init(struct sh_eth_private *mdp) { if (sh_eth_is_rz_fast_ether(mdp)) { sh_eth_tsu_write(mdp, 0, TSU_TEN); /* Disable all CAM entry */ + sh_eth_tsu_write(mdp, TSU_FWSLC_POSTENU | TSU_FWSLC_POSTENL, + TSU_FWSLC); /* Enable POST registers */ return; } diff --git a/drivers/net/ethernet/smsc/smc91x.h b/drivers/net/ethernet/smsc/smc91x.h index e17671c9d1b0..ea8465467469 100644 --- a/drivers/net/ethernet/smsc/smc91x.h +++ b/drivers/net/ethernet/smsc/smc91x.h @@ -470,7 +470,9 @@ smc_pxa_dma_insw(void __iomem *ioaddr, struct smc_local *lp, int reg, int dma, #endif #if ! SMC_CAN_USE_8BIT +#undef SMC_inb #define SMC_inb(ioaddr, reg) ({ BUG(); 0; }) +#undef SMC_outb #define SMC_outb(x, ioaddr, reg) BUG() #define SMC_insb(a, r, p, l) BUG() #define SMC_outsb(a, r, p, l) BUG() diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c index ca3134540d2d..4f8910b7db2e 100644 --- a/drivers/net/ethernet/smsc/smsc911x.c +++ b/drivers/net/ethernet/smsc/smsc911x.c @@ -1099,15 +1099,8 @@ static int smsc911x_mii_init(struct platform_device *pdev, goto err_out_free_bus_2; } - if (smsc911x_mii_probe(dev) < 0) { - SMSC_WARN(pdata, probe, "Error registering mii bus"); - goto err_out_unregister_bus_3; - } - return 0; -err_out_unregister_bus_3: - mdiobus_unregister(pdata->mii_bus); err_out_free_bus_2: mdiobus_free(pdata->mii_bus); err_out_1: @@ -1514,23 +1507,90 @@ static void smsc911x_disable_irq_chip(struct net_device *dev) smsc911x_reg_write(pdata, INT_STS, 0xFFFFFFFF); } +static irqreturn_t smsc911x_irqhandler(int irq, void *dev_id) +{ + struct net_device *dev = dev_id; + struct smsc911x_data *pdata = netdev_priv(dev); + u32 intsts = smsc911x_reg_read(pdata, INT_STS); + u32 inten = smsc911x_reg_read(pdata, INT_EN); + int serviced = IRQ_NONE; + u32 temp; + + if (unlikely(intsts & inten & INT_STS_SW_INT_)) { + temp = smsc911x_reg_read(pdata, INT_EN); + temp &= (~INT_EN_SW_INT_EN_); + smsc911x_reg_write(pdata, INT_EN, temp); + smsc911x_reg_write(pdata, INT_STS, INT_STS_SW_INT_); + pdata->software_irq_signal = 1; + smp_wmb(); + serviced = IRQ_HANDLED; + } + + if (unlikely(intsts & inten & INT_STS_RXSTOP_INT_)) { + /* Called when there is a multicast update scheduled and + * it is now safe to complete the update */ + SMSC_TRACE(pdata, intr, "RX Stop interrupt"); + smsc911x_reg_write(pdata, INT_STS, INT_STS_RXSTOP_INT_); + if (pdata->multicast_update_pending) + smsc911x_rx_multicast_update_workaround(pdata); + serviced = IRQ_HANDLED; + } + + if (intsts & inten & INT_STS_TDFA_) { + temp = smsc911x_reg_read(pdata, FIFO_INT); + temp |= FIFO_INT_TX_AVAIL_LEVEL_; + smsc911x_reg_write(pdata, FIFO_INT, temp); + smsc911x_reg_write(pdata, INT_STS, INT_STS_TDFA_); + netif_wake_queue(dev); + serviced = IRQ_HANDLED; + } + + if (unlikely(intsts & inten & INT_STS_RXE_)) { + SMSC_TRACE(pdata, intr, "RX Error interrupt"); + smsc911x_reg_write(pdata, INT_STS, INT_STS_RXE_); + serviced = IRQ_HANDLED; + } + + if (likely(intsts & inten & INT_STS_RSFL_)) { + if (likely(napi_schedule_prep(&pdata->napi))) { + /* Disable Rx interrupts */ + temp = smsc911x_reg_read(pdata, INT_EN); + temp &= (~INT_EN_RSFL_EN_); + smsc911x_reg_write(pdata, INT_EN, temp); + /* Schedule a NAPI poll */ + __napi_schedule(&pdata->napi); + } else { + SMSC_WARN(pdata, rx_err, "napi_schedule_prep failed"); + } + serviced = IRQ_HANDLED; + } + + return serviced; +} + static int smsc911x_open(struct net_device *dev) { struct smsc911x_data *pdata = netdev_priv(dev); unsigned int timeout; unsigned int temp; unsigned int intcfg; + int retval; + int irq_flags; - /* if the phy is not yet registered, retry later*/ + /* find and start the given phy */ if (!dev->phydev) { - SMSC_WARN(pdata, hw, "phy_dev is NULL"); - return -EAGAIN; + retval = smsc911x_mii_probe(dev); + if (retval < 0) { + SMSC_WARN(pdata, probe, "Error starting phy"); + goto out; + } } /* Reset the LAN911x */ - if (smsc911x_soft_reset(pdata)) { + retval = smsc911x_soft_reset(pdata); + if (retval) { SMSC_WARN(pdata, hw, "soft reset failed"); - return -EIO; + goto mii_free_out; } smsc911x_reg_write(pdata, HW_CFG, 0x00050000); @@ -1586,6 +1646,15 @@ static int smsc911x_open(struct net_device *dev) pdata->software_irq_signal = 0; smp_wmb(); + irq_flags = irq_get_trigger_type(dev->irq); + retval = request_irq(dev->irq, smsc911x_irqhandler, + irq_flags | IRQF_SHARED, dev->name, dev); + if (retval) { + SMSC_WARN(pdata, probe, + "Unable to claim requested irq: %d", dev->irq); + goto mii_free_out; + } + temp = smsc911x_reg_read(pdata, INT_EN); temp |= INT_EN_SW_INT_EN_; smsc911x_reg_write(pdata, INT_EN, temp); @@ -1600,7 +1669,8 @@ static int smsc911x_open(struct net_device *dev) if (!pdata->software_irq_signal) { netdev_warn(dev, "ISR failed signaling test (IRQ %d)\n", dev->irq); - return -ENODEV; + retval = -ENODEV; + goto irq_stop_out; } SMSC_TRACE(pdata, ifup, "IRQ handler passed test using IRQ %d", dev->irq); @@ -1646,6 +1716,14 @@ static int smsc911x_open(struct net_device *dev) netif_start_queue(dev); return 0; + +irq_stop_out: + free_irq(dev->irq, dev); +mii_free_out: + phy_disconnect(dev->phydev); + dev->phydev = NULL; +out: + return retval; } /* Entry point for stopping the interface */ @@ -1667,9 +1745,15 @@ static int smsc911x_stop(struct net_device *dev) dev->stats.rx_dropped += smsc911x_reg_read(pdata, RX_DROP); smsc911x_tx_update_txcounters(dev); + free_irq(dev->irq, dev); + /* Bring the PHY down */ - if (dev->phydev) + if (dev->phydev) { phy_stop(dev->phydev); + phy_disconnect(dev->phydev); + dev->phydev = NULL; + } + netif_carrier_off(dev); SMSC_TRACE(pdata, ifdown, "Interface stopped"); return 0; @@ -1811,67 +1895,6 @@ static void smsc911x_set_multicast_list(struct net_device *dev) spin_unlock_irqrestore(&pdata->mac_lock, flags); } -static irqreturn_t smsc911x_irqhandler(int irq, void *dev_id) -{ - struct net_device *dev = dev_id; - struct smsc911x_data *pdata = netdev_priv(dev); - u32 intsts = smsc911x_reg_read(pdata, INT_STS); - u32 inten = smsc911x_reg_read(pdata, INT_EN); - int serviced = IRQ_NONE; - u32 temp; - - if (unlikely(intsts & inten & INT_STS_SW_INT_)) { - temp = smsc911x_reg_read(pdata, INT_EN); - temp &= (~INT_EN_SW_INT_EN_); - smsc911x_reg_write(pdata, INT_EN, temp); - smsc911x_reg_write(pdata, INT_STS, INT_STS_SW_INT_); - pdata->software_irq_signal = 1; - smp_wmb(); - serviced = IRQ_HANDLED; - } - - if (unlikely(intsts & inten & INT_STS_RXSTOP_INT_)) { - /* Called when there is a multicast update scheduled and - * it is now safe to complete the update */ - SMSC_TRACE(pdata, intr, "RX Stop interrupt"); - smsc911x_reg_write(pdata, INT_STS, INT_STS_RXSTOP_INT_); - if (pdata->multicast_update_pending) - smsc911x_rx_multicast_update_workaround(pdata); - serviced = IRQ_HANDLED; - } - - if (intsts & inten & INT_STS_TDFA_) { - temp = smsc911x_reg_read(pdata, FIFO_INT); - temp |= FIFO_INT_TX_AVAIL_LEVEL_; - smsc911x_reg_write(pdata, FIFO_INT, temp); - smsc911x_reg_write(pdata, INT_STS, INT_STS_TDFA_); - netif_wake_queue(dev); - serviced = IRQ_HANDLED; - } - - if (unlikely(intsts & inten & INT_STS_RXE_)) { - SMSC_TRACE(pdata, intr, "RX Error interrupt"); - smsc911x_reg_write(pdata, INT_STS, INT_STS_RXE_); - serviced = IRQ_HANDLED; - } - - if (likely(intsts & inten & INT_STS_RSFL_)) { - if (likely(napi_schedule_prep(&pdata->napi))) { - /* Disable Rx interrupts */ - temp = smsc911x_reg_read(pdata, INT_EN); - temp &= (~INT_EN_RSFL_EN_); - smsc911x_reg_write(pdata, INT_EN, temp); - /* Schedule a NAPI poll */ - __napi_schedule(&pdata->napi); - } else { - SMSC_WARN(pdata, rx_err, "napi_schedule_prep failed"); - } - serviced = IRQ_HANDLED; - } - - return serviced; -} - #ifdef CONFIG_NET_POLL_CONTROLLER static void smsc911x_poll_controller(struct net_device *dev) { @@ -2291,16 +2314,14 @@ static int smsc911x_drv_remove(struct platform_device *pdev) pdata = netdev_priv(dev); BUG_ON(!pdata); BUG_ON(!pdata->ioaddr); - BUG_ON(!dev->phydev); + WARN_ON(dev->phydev); SMSC_TRACE(pdata, ifdown, "Stopping driver"); - phy_disconnect(dev->phydev); mdiobus_unregister(pdata->mii_bus); mdiobus_free(pdata->mii_bus); unregister_netdev(dev); - free_irq(dev->irq, dev); res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "smsc911x-memory"); if (!res) @@ -2385,8 +2406,7 @@ static int smsc911x_drv_probe(struct platform_device *pdev) struct smsc911x_data *pdata; struct smsc911x_platform_config *config = dev_get_platdata(&pdev->dev); struct resource *res; - unsigned int intcfg = 0; - int res_size, irq, irq_flags; + int res_size, irq; int retval; res = platform_get_resource_byname(pdev, IORESOURCE_MEM, @@ -2425,7 +2445,6 @@ static int smsc911x_drv_probe(struct platform_device *pdev) pdata = netdev_priv(dev); dev->irq = irq; - irq_flags = irq_get_trigger_type(irq); pdata->ioaddr = ioremap_nocache(res->start, res_size); pdata->dev = dev; @@ -2472,43 +2491,23 @@ static int smsc911x_drv_probe(struct platform_device *pdev) if (retval < 0) goto out_disable_resources; - /* configure irq polarity and type before connecting isr */ - if (pdata->config.irq_polarity == SMSC911X_IRQ_POLARITY_ACTIVE_HIGH) - intcfg |= INT_CFG_IRQ_POL_; - - if (pdata->config.irq_type == SMSC911X_IRQ_TYPE_PUSH_PULL) - intcfg |= INT_CFG_IRQ_TYPE_; - - smsc911x_reg_write(pdata, INT_CFG, intcfg); - - /* Ensure interrupts are globally disabled before connecting ISR */ - smsc911x_disable_irq_chip(dev); + netif_carrier_off(dev); - retval = request_irq(dev->irq, smsc911x_irqhandler, - irq_flags | IRQF_SHARED, dev->name, dev); + retval = smsc911x_mii_init(pdev, dev); if (retval) { - SMSC_WARN(pdata, probe, - "Unable to claim requested irq: %d", dev->irq); + SMSC_WARN(pdata, probe, "Error %i initialising mii", retval); goto out_disable_resources; } - netif_carrier_off(dev); - retval = register_netdev(dev); if (retval) { SMSC_WARN(pdata, probe, "Error %i registering device", retval); - goto out_free_irq; + goto out_disable_resources; } else { SMSC_TRACE(pdata, probe, "Network interface: \"%s\"", dev->name); } - retval = smsc911x_mii_init(pdev, dev); - if (retval) { - SMSC_WARN(pdata, probe, "Error %i initialising mii", retval); - goto out_unregister_netdev_5; - } - spin_lock_irq(&pdata->mac_lock); /* Check if mac address has been specified when bringing interface up */ @@ -2544,10 +2543,6 @@ static int smsc911x_drv_probe(struct platform_device *pdev) return 0; -out_unregister_netdev_5: - unregister_netdev(dev); -out_free_irq: - free_irq(dev->irq, dev); out_disable_resources: pm_runtime_put(&pdev->dev); pm_runtime_disable(&pdev->dev); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c index cbefe9e2207c..885a5e64519d 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c @@ -261,7 +261,7 @@ static void dwmac1000_pmt(struct mac_device_info *hw, unsigned long mode) } if (mode & WAKE_UCAST) { pr_debug("GMAC: WOL on global unicast\n"); - pmt |= global_unicast; + pmt |= power_down | global_unicast | wake_up_frame_en; } writel(pmt, ioaddr + GMAC_PMT); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index df5580dcdfed..51019b794be5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -102,7 +102,7 @@ static void dwmac4_pmt(struct mac_device_info *hw, unsigned long mode) } if (mode & WAKE_UCAST) { pr_debug("GMAC: WOL on global unicast\n"); - pmt |= global_unicast; + pmt |= power_down | global_unicast | wake_up_frame_en; } writel(pmt, ioaddr + GMAC_PMT); diff --git a/drivers/net/ethernet/synopsys/dwc_eth_qos.c b/drivers/net/ethernet/synopsys/dwc_eth_qos.c index 5a3941bf250f..4490ebaed127 100644 --- a/drivers/net/ethernet/synopsys/dwc_eth_qos.c +++ b/drivers/net/ethernet/synopsys/dwc_eth_qos.c @@ -1246,7 +1246,7 @@ static int dwceqos_mii_init(struct net_local *lp) lp->mii_bus->read = &dwceqos_mdio_read; lp->mii_bus->write = &dwceqos_mdio_write; lp->mii_bus->priv = lp; - lp->mii_bus->parent = &lp->ndev->dev; + lp->mii_bus->parent = &lp->pdev->dev; of_address_to_resource(lp->pdev->dev.of_node, 0, &res); snprintf(lp->mii_bus->id, MII_BUS_ID_SIZE, "%.8llx", @@ -2853,25 +2853,17 @@ static int dwceqos_probe(struct platform_device *pdev) ndev->features = ndev->hw_features; - netif_napi_add(ndev, &lp->napi, dwceqos_rx_poll, NAPI_POLL_WEIGHT); - - ret = register_netdev(ndev); - if (ret) { - dev_err(&pdev->dev, "Cannot register net device, aborting.\n"); - goto err_out_clk_dis_aper; - } - lp->phy_ref_clk = devm_clk_get(&pdev->dev, "phy_ref_clk"); if (IS_ERR(lp->phy_ref_clk)) { dev_err(&pdev->dev, "phy_ref_clk clock not found.\n"); ret = PTR_ERR(lp->phy_ref_clk); - goto err_out_unregister_netdev; + goto err_out_clk_dis_aper; } ret = clk_prepare_enable(lp->phy_ref_clk); if (ret) { dev_err(&pdev->dev, "Unable to enable device clock.\n"); - goto err_out_unregister_netdev; + goto err_out_clk_dis_aper; } lp->phy_node = of_parse_phandle(lp->pdev->dev.of_node, @@ -2880,7 +2872,7 @@ static int dwceqos_probe(struct platform_device *pdev) ret = of_phy_register_fixed_link(lp->pdev->dev.of_node); if (ret < 0) { dev_err(&pdev->dev, "invalid fixed-link"); - goto err_out_unregister_clk_notifier; + goto err_out_clk_dis_phy; } lp->phy_node = of_node_get(lp->pdev->dev.of_node); @@ -2889,7 +2881,7 @@ static int dwceqos_probe(struct platform_device *pdev) ret = of_get_phy_mode(lp->pdev->dev.of_node); if (ret < 0) { dev_err(&lp->pdev->dev, "error in getting phy i/f\n"); - goto err_out_unregister_clk_notifier; + goto err_out_clk_dis_phy; } lp->phy_interface = ret; @@ -2897,14 +2889,14 @@ static int dwceqos_probe(struct platform_device *pdev) ret = dwceqos_mii_init(lp); if (ret) { dev_err(&lp->pdev->dev, "error in dwceqos_mii_init\n"); - goto err_out_unregister_clk_notifier; + goto err_out_clk_dis_phy; } ret = dwceqos_mii_probe(ndev); if (ret != 0) { netdev_err(ndev, "mii_probe fail.\n"); ret = -ENXIO; - goto err_out_unregister_clk_notifier; + goto err_out_clk_dis_phy; } dwceqos_set_umac_addr(lp, lp->ndev->dev_addr, 0); @@ -2922,7 +2914,7 @@ static int dwceqos_probe(struct platform_device *pdev) if (ret) { dev_err(&lp->pdev->dev, "Unable to retrieve DT, error %d\n", ret); - goto err_out_unregister_clk_notifier; + goto err_out_clk_dis_phy; } dev_info(&lp->pdev->dev, "pdev->id %d, baseaddr 0x%08lx, irq %d\n", pdev->id, ndev->base_addr, ndev->irq); @@ -2932,18 +2924,24 @@ static int dwceqos_probe(struct platform_device *pdev) if (ret) { dev_err(&lp->pdev->dev, "Unable to request IRQ %d, error %d\n", ndev->irq, ret); - goto err_out_unregister_clk_notifier; + goto err_out_clk_dis_phy; } if (netif_msg_probe(lp)) netdev_dbg(ndev, "net_local@%p\n", lp); + netif_napi_add(ndev, &lp->napi, dwceqos_rx_poll, NAPI_POLL_WEIGHT); + + ret = register_netdev(ndev); + if (ret) { + dev_err(&pdev->dev, "Cannot register net device, aborting.\n"); + goto err_out_clk_dis_phy; + } + return 0; -err_out_unregister_clk_notifier: +err_out_clk_dis_phy: clk_disable_unprepare(lp->phy_ref_clk); -err_out_unregister_netdev: - unregister_netdev(ndev); err_out_clk_dis_aper: clk_disable_unprepare(lp->apb_pclk); err_out_free_netdev: diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index 47a64342cc16..b4863e4e522b 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -303,6 +303,7 @@ config MDIO_HISI_FEMAC config MDIO_XGENE tristate "APM X-Gene SoC MDIO bus controller" + depends on ARCH_XGENE || COMPILE_TEST help This module provides a driver for the MDIO busses found in the APM X-Gene SoC's. diff --git a/drivers/net/phy/mdio-xgene.c b/drivers/net/phy/mdio-xgene.c index 775674808249..92af182951be 100644 --- a/drivers/net/phy/mdio-xgene.c +++ b/drivers/net/phy/mdio-xgene.c @@ -424,10 +424,8 @@ static int xgene_mdio_remove(struct platform_device *pdev) mdiobus_unregister(mdio_bus); mdiobus_free(mdio_bus); - if (dev->of_node) { - if (IS_ERR(pdata->clk)) - clk_disable_unprepare(pdata->clk); - } + if (dev->of_node) + clk_disable_unprepare(pdata->clk); return 0; } diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index f41a8ad4740e..c254248863d4 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -32,7 +32,7 @@ #define NETNEXT_VERSION "08" /* Information for net */ -#define NET_VERSION "5" +#define NET_VERSION "6" #define DRIVER_VERSION "v1." NETNEXT_VERSION "." NET_VERSION #define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>" @@ -2552,6 +2552,77 @@ static void r8152_aldps_en(struct r8152 *tp, bool enable) } } +static inline void r8152_mmd_indirect(struct r8152 *tp, u16 dev, u16 reg) +{ + ocp_reg_write(tp, OCP_EEE_AR, FUN_ADDR | dev); + ocp_reg_write(tp, OCP_EEE_DATA, reg); + ocp_reg_write(tp, OCP_EEE_AR, FUN_DATA | dev); +} + +static u16 r8152_mmd_read(struct r8152 *tp, u16 dev, u16 reg) +{ + u16 data; + + r8152_mmd_indirect(tp, dev, reg); + data = ocp_reg_read(tp, OCP_EEE_DATA); + ocp_reg_write(tp, OCP_EEE_AR, 0x0000); + + return data; +} + +static void r8152_mmd_write(struct r8152 *tp, u16 dev, u16 reg, u16 data) +{ + r8152_mmd_indirect(tp, dev, reg); + ocp_reg_write(tp, OCP_EEE_DATA, data); + ocp_reg_write(tp, OCP_EEE_AR, 0x0000); +} + +static void r8152_eee_en(struct r8152 *tp, bool enable) +{ + u16 config1, config2, config3; + u32 ocp_data; + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR); + config1 = ocp_reg_read(tp, OCP_EEE_CONFIG1) & ~sd_rise_time_mask; + config2 = ocp_reg_read(tp, OCP_EEE_CONFIG2); + config3 = ocp_reg_read(tp, OCP_EEE_CONFIG3) & ~fast_snr_mask; + + if (enable) { + ocp_data |= EEE_RX_EN | EEE_TX_EN; + config1 |= EEE_10_CAP | EEE_NWAY_EN | TX_QUIET_EN | RX_QUIET_EN; + config1 |= sd_rise_time(1); + config2 |= RG_DACQUIET_EN | RG_LDVQUIET_EN; + config3 |= fast_snr(42); + } else { + ocp_data &= ~(EEE_RX_EN | EEE_TX_EN); + config1 &= ~(EEE_10_CAP | EEE_NWAY_EN | TX_QUIET_EN | + RX_QUIET_EN); + config1 |= sd_rise_time(7); + config2 &= ~(RG_DACQUIET_EN | RG_LDVQUIET_EN); + config3 |= fast_snr(511); + } + + ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data); + ocp_reg_write(tp, OCP_EEE_CONFIG1, config1); + ocp_reg_write(tp, OCP_EEE_CONFIG2, config2); + ocp_reg_write(tp, OCP_EEE_CONFIG3, config3); +} + +static void r8152b_enable_eee(struct r8152 *tp) +{ + r8152_eee_en(tp, true); + r8152_mmd_write(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, MDIO_EEE_100TX); +} + +static void r8152b_enable_fc(struct r8152 *tp) +{ + u16 anar; + + anar = r8152_mdio_read(tp, MII_ADVERTISE); + anar |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; + r8152_mdio_write(tp, MII_ADVERTISE, anar); +} + static void rtl8152_disable(struct r8152 *tp) { r8152_aldps_en(tp, false); @@ -2561,13 +2632,9 @@ static void rtl8152_disable(struct r8152 *tp) static void r8152b_hw_phy_cfg(struct r8152 *tp) { - u16 data; - - data = r8152_mdio_read(tp, MII_BMCR); - if (data & BMCR_PDOWN) { - data &= ~BMCR_PDOWN; - r8152_mdio_write(tp, MII_BMCR, data); - } + r8152b_enable_eee(tp); + r8152_aldps_en(tp, true); + r8152b_enable_fc(tp); set_bit(PHY_RESET, &tp->flags); } @@ -2701,20 +2768,52 @@ static void r8152b_enter_oob(struct r8152 *tp) ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); } +static void r8153_aldps_en(struct r8152 *tp, bool enable) +{ + u16 data; + + data = ocp_reg_read(tp, OCP_POWER_CFG); + if (enable) { + data |= EN_ALDPS; + ocp_reg_write(tp, OCP_POWER_CFG, data); + } else { + data &= ~EN_ALDPS; + ocp_reg_write(tp, OCP_POWER_CFG, data); + msleep(20); + } +} + +static void r8153_eee_en(struct r8152 *tp, bool enable) +{ + u32 ocp_data; + u16 config; + + ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR); + config = ocp_reg_read(tp, OCP_EEE_CFG); + + if (enable) { + ocp_data |= EEE_RX_EN | EEE_TX_EN; + config |= EEE10_EN; + } else { + ocp_data &= ~(EEE_RX_EN | EEE_TX_EN); + config &= ~EEE10_EN; + } + + ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data); + ocp_reg_write(tp, OCP_EEE_CFG, config); +} + static void r8153_hw_phy_cfg(struct r8152 *tp) { u32 ocp_data; u16 data; - if (tp->version == RTL_VER_03 || tp->version == RTL_VER_04 || - tp->version == RTL_VER_05) - ocp_reg_write(tp, OCP_ADC_CFG, CKADSEL_L | ADC_EN | EN_EMI_L); + /* disable ALDPS before updating the PHY parameters */ + r8153_aldps_en(tp, false); - data = r8152_mdio_read(tp, MII_BMCR); - if (data & BMCR_PDOWN) { - data &= ~BMCR_PDOWN; - r8152_mdio_write(tp, MII_BMCR, data); - } + /* disable EEE before updating the PHY parameters */ + r8153_eee_en(tp, false); + ocp_reg_write(tp, OCP_EEE_ADV, 0); if (tp->version == RTL_VER_03) { data = ocp_reg_read(tp, OCP_EEE_CFG); @@ -2745,6 +2844,12 @@ static void r8153_hw_phy_cfg(struct r8152 *tp) sram_write(tp, SRAM_10M_AMP1, 0x00af); sram_write(tp, SRAM_10M_AMP2, 0x0208); + r8153_eee_en(tp, true); + ocp_reg_write(tp, OCP_EEE_ADV, MDIO_EEE_1000T | MDIO_EEE_100TX); + + r8153_aldps_en(tp, true); + r8152b_enable_fc(tp); + set_bit(PHY_RESET, &tp->flags); } @@ -2866,21 +2971,6 @@ static void r8153_enter_oob(struct r8152 *tp) ocp_write_dword(tp, MCU_TYPE_PLA, PLA_RCR, ocp_data); } -static void r8153_aldps_en(struct r8152 *tp, bool enable) -{ - u16 data; - - data = ocp_reg_read(tp, OCP_POWER_CFG); - if (enable) { - data |= EN_ALDPS; - ocp_reg_write(tp, OCP_POWER_CFG, data); - } else { - data &= ~EN_ALDPS; - ocp_reg_write(tp, OCP_POWER_CFG, data); - msleep(20); - } -} - static void rtl8153_disable(struct r8152 *tp) { r8153_aldps_en(tp, false); @@ -3246,103 +3336,6 @@ static int rtl8152_close(struct net_device *netdev) return res; } -static inline void r8152_mmd_indirect(struct r8152 *tp, u16 dev, u16 reg) -{ - ocp_reg_write(tp, OCP_EEE_AR, FUN_ADDR | dev); - ocp_reg_write(tp, OCP_EEE_DATA, reg); - ocp_reg_write(tp, OCP_EEE_AR, FUN_DATA | dev); -} - -static u16 r8152_mmd_read(struct r8152 *tp, u16 dev, u16 reg) -{ - u16 data; - - r8152_mmd_indirect(tp, dev, reg); - data = ocp_reg_read(tp, OCP_EEE_DATA); - ocp_reg_write(tp, OCP_EEE_AR, 0x0000); - - return data; -} - -static void r8152_mmd_write(struct r8152 *tp, u16 dev, u16 reg, u16 data) -{ - r8152_mmd_indirect(tp, dev, reg); - ocp_reg_write(tp, OCP_EEE_DATA, data); - ocp_reg_write(tp, OCP_EEE_AR, 0x0000); -} - -static void r8152_eee_en(struct r8152 *tp, bool enable) -{ - u16 config1, config2, config3; - u32 ocp_data; - - ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR); - config1 = ocp_reg_read(tp, OCP_EEE_CONFIG1) & ~sd_rise_time_mask; - config2 = ocp_reg_read(tp, OCP_EEE_CONFIG2); - config3 = ocp_reg_read(tp, OCP_EEE_CONFIG3) & ~fast_snr_mask; - - if (enable) { - ocp_data |= EEE_RX_EN | EEE_TX_EN; - config1 |= EEE_10_CAP | EEE_NWAY_EN | TX_QUIET_EN | RX_QUIET_EN; - config1 |= sd_rise_time(1); - config2 |= RG_DACQUIET_EN | RG_LDVQUIET_EN; - config3 |= fast_snr(42); - } else { - ocp_data &= ~(EEE_RX_EN | EEE_TX_EN); - config1 &= ~(EEE_10_CAP | EEE_NWAY_EN | TX_QUIET_EN | - RX_QUIET_EN); - config1 |= sd_rise_time(7); - config2 &= ~(RG_DACQUIET_EN | RG_LDVQUIET_EN); - config3 |= fast_snr(511); - } - - ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data); - ocp_reg_write(tp, OCP_EEE_CONFIG1, config1); - ocp_reg_write(tp, OCP_EEE_CONFIG2, config2); - ocp_reg_write(tp, OCP_EEE_CONFIG3, config3); -} - -static void r8152b_enable_eee(struct r8152 *tp) -{ - r8152_eee_en(tp, true); - r8152_mmd_write(tp, MDIO_MMD_AN, MDIO_AN_EEE_ADV, MDIO_EEE_100TX); -} - -static void r8153_eee_en(struct r8152 *tp, bool enable) -{ - u32 ocp_data; - u16 config; - - ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_EEE_CR); - config = ocp_reg_read(tp, OCP_EEE_CFG); - - if (enable) { - ocp_data |= EEE_RX_EN | EEE_TX_EN; - config |= EEE10_EN; - } else { - ocp_data &= ~(EEE_RX_EN | EEE_TX_EN); - config &= ~EEE10_EN; - } - - ocp_write_word(tp, MCU_TYPE_PLA, PLA_EEE_CR, ocp_data); - ocp_reg_write(tp, OCP_EEE_CFG, config); -} - -static void r8153_enable_eee(struct r8152 *tp) -{ - r8153_eee_en(tp, true); - ocp_reg_write(tp, OCP_EEE_ADV, MDIO_EEE_1000T | MDIO_EEE_100TX); -} - -static void r8152b_enable_fc(struct r8152 *tp) -{ - u16 anar; - - anar = r8152_mdio_read(tp, MII_ADVERTISE); - anar |= ADVERTISE_PAUSE_CAP | ADVERTISE_PAUSE_ASYM; - r8152_mdio_write(tp, MII_ADVERTISE, anar); -} - static void rtl_tally_reset(struct r8152 *tp) { u32 ocp_data; @@ -3355,10 +3348,17 @@ static void rtl_tally_reset(struct r8152 *tp) static void r8152b_init(struct r8152 *tp) { u32 ocp_data; + u16 data; if (test_bit(RTL8152_UNPLUG, &tp->flags)) return; + data = r8152_mdio_read(tp, MII_BMCR); + if (data & BMCR_PDOWN) { + data &= ~BMCR_PDOWN; + r8152_mdio_write(tp, MII_BMCR, data); + } + r8152_aldps_en(tp, false); if (tp->version == RTL_VER_01) { @@ -3380,9 +3380,6 @@ static void r8152b_init(struct r8152 *tp) SPDWN_RXDV_MSK | SPDWN_LINKCHG_MSK; ocp_write_word(tp, MCU_TYPE_PLA, PLA_GPHY_INTR_IMR, ocp_data); - r8152b_enable_eee(tp); - r8152_aldps_en(tp, true); - r8152b_enable_fc(tp); rtl_tally_reset(tp); /* enable rx aggregation */ @@ -3394,12 +3391,12 @@ static void r8152b_init(struct r8152 *tp) static void r8153_init(struct r8152 *tp) { u32 ocp_data; + u16 data; int i; if (test_bit(RTL8152_UNPLUG, &tp->flags)) return; - r8153_aldps_en(tp, false); r8153_u1u2en(tp, false); for (i = 0; i < 500; i++) { @@ -3416,6 +3413,23 @@ static void r8153_init(struct r8152 *tp) msleep(20); } + if (tp->version == RTL_VER_03 || tp->version == RTL_VER_04 || + tp->version == RTL_VER_05) + ocp_reg_write(tp, OCP_ADC_CFG, CKADSEL_L | ADC_EN | EN_EMI_L); + + data = r8152_mdio_read(tp, MII_BMCR); + if (data & BMCR_PDOWN) { + data &= ~BMCR_PDOWN; + r8152_mdio_write(tp, MII_BMCR, data); + } + + for (i = 0; i < 500; i++) { + ocp_data = ocp_reg_read(tp, OCP_PHY_STATUS) & PHY_STAT_MASK; + if (ocp_data == PHY_STAT_LAN_ON) + break; + msleep(20); + } + usb_disable_lpm(tp->udev); r8153_u2p3en(tp, false); @@ -3483,9 +3497,6 @@ static void r8153_init(struct r8152 *tp) ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL3, 0); ocp_write_word(tp, MCU_TYPE_PLA, PLA_MAC_PWR_CTRL4, 0); - r8153_enable_eee(tp); - r8153_aldps_en(tp, true); - r8152b_enable_fc(tp); rtl_tally_reset(tp); r8153_u2p3en(tp, true); } diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index c0dda6fc0921..6e65832051d6 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -2782,14 +2782,15 @@ static int vxlan_dev_configure(struct net *src_net, struct net_device *dev, struct net_device *lowerdev = NULL; if (conf->flags & VXLAN_F_GPE) { - if (conf->flags & ~VXLAN_F_ALLOWED_GPE) - return -EINVAL; /* For now, allow GPE only together with COLLECT_METADATA. * This can be relaxed later; in such case, the other side * of the PtP link will have to be provided. */ - if (!(conf->flags & VXLAN_F_COLLECT_METADATA)) + if ((conf->flags & ~VXLAN_F_ALLOWED_GPE) || + !(conf->flags & VXLAN_F_COLLECT_METADATA)) { + pr_info("unsupported combination of extensions\n"); return -EINVAL; + } vxlan_raw_setup(dev); } else { @@ -2842,6 +2843,9 @@ static int vxlan_dev_configure(struct net *src_net, struct net_device *dev, dev->mtu = lowerdev->mtu - (use_ipv6 ? VXLAN6_HEADROOM : VXLAN_HEADROOM); needed_headroom = lowerdev->hard_header_len; + } else if (vxlan_addr_multicast(&dst->remote_ip)) { + pr_info("multicast destination requires interface to be specified\n"); + return -EINVAL; } if (conf->mtu) { @@ -2874,8 +2878,10 @@ static int vxlan_dev_configure(struct net *src_net, struct net_device *dev, tmp->cfg.saddr.sa.sa_family == AF_INET6) == use_ipv6 && tmp->cfg.dst_port == vxlan->cfg.dst_port && (tmp->flags & VXLAN_F_RCV_FLAGS) == - (vxlan->flags & VXLAN_F_RCV_FLAGS)) - return -EEXIST; + (vxlan->flags & VXLAN_F_RCV_FLAGS)) { + pr_info("duplicate VNI %u\n", be32_to_cpu(conf->vni)); + return -EEXIST; + } } dev->ethtool_ops = &vxlan_ethtool_ops; @@ -2909,7 +2915,6 @@ static int vxlan_newlink(struct net *src_net, struct net_device *dev, struct nlattr *tb[], struct nlattr *data[]) { struct vxlan_config conf; - int err; memset(&conf, 0, sizeof(conf)); @@ -3018,26 +3023,7 @@ static int vxlan_newlink(struct net *src_net, struct net_device *dev, if (tb[IFLA_MTU]) conf.mtu = nla_get_u32(tb[IFLA_MTU]); - err = vxlan_dev_configure(src_net, dev, &conf); - switch (err) { - case -ENODEV: - pr_info("ifindex %d does not exist\n", conf.remote_ifindex); - break; - - case -EPERM: - pr_info("IPv6 is disabled via sysctl\n"); - break; - - case -EEXIST: - pr_info("duplicate VNI %u\n", be32_to_cpu(conf.vni)); - break; - - case -EINVAL: - pr_info("unsupported combination of extensions\n"); - break; - } - - return err; + return vxlan_dev_configure(src_net, dev, &conf); } static void vxlan_dellink(struct net_device *dev, struct list_head *head) diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c index 78db5d679f19..24c8d65bcf34 100644 --- a/drivers/net/wireless/ath/ath10k/htt_rx.c +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c @@ -1525,7 +1525,7 @@ static void ath10k_htt_rx_h_filter(struct ath10k *ar, static int ath10k_htt_rx_handle_amsdu(struct ath10k_htt *htt) { struct ath10k *ar = htt->ar; - static struct ieee80211_rx_status rx_status; + struct ieee80211_rx_status *rx_status = &htt->rx_status; struct sk_buff_head amsdu; int ret; @@ -1549,11 +1549,11 @@ static int ath10k_htt_rx_handle_amsdu(struct ath10k_htt *htt) return ret; } - ath10k_htt_rx_h_ppdu(ar, &amsdu, &rx_status, 0xffff); + ath10k_htt_rx_h_ppdu(ar, &amsdu, rx_status, 0xffff); ath10k_htt_rx_h_unchain(ar, &amsdu, ret > 0); - ath10k_htt_rx_h_filter(ar, &amsdu, &rx_status); - ath10k_htt_rx_h_mpdu(ar, &amsdu, &rx_status); - ath10k_htt_rx_h_deliver(ar, &amsdu, &rx_status); + ath10k_htt_rx_h_filter(ar, &amsdu, rx_status); + ath10k_htt_rx_h_mpdu(ar, &amsdu, rx_status); + ath10k_htt_rx_h_deliver(ar, &amsdu, rx_status); return 0; } diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index 9a22c478dd1b..07933c51a850 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -3162,7 +3162,6 @@ static int ath10k_pci_probe(struct pci_dev *pdev, pci_hard_reset = ath10k_pci_qca988x_chip_reset; break; case QCA9887_1_0_DEVICE_ID: - dev_warn(&pdev->dev, "QCA9887 support is still experimental, there are likely bugs. You have been warned.\n"); hw_rev = ATH10K_HW_QCA9887; pci_ps = false; pci_soft_reset = ath10k_pci_warm_reset; diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index d1d0c06d627c..14b13f07cd1f 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -2482,6 +2482,8 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah) return -EINVAL; } + ath9k_gpio_cap_init(ah); + if (AR_SREV_9485(ah) || AR_SREV_9285(ah) || AR_SREV_9330(ah) || @@ -2531,8 +2533,6 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah) else pCap->hw_caps &= ~ATH9K_HW_CAP_HT; - ath9k_gpio_cap_init(ah); - if (AR_SREV_9160_10_OR_LATER(ah) || AR_SREV_9100(ah)) pCap->rts_aggr_limit = ATH_AMPDU_LIMIT_MAX; else diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index a394622c9022..7cb65c303f8d 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -718,9 +718,12 @@ static int ath9k_start(struct ieee80211_hw *hw) if (!ath_complete_reset(sc, false)) ah->reset_power_on = false; - if (ah->led_pin >= 0) + if (ah->led_pin >= 0) { ath9k_hw_set_gpio(ah, ah->led_pin, (ah->config.led_active_high) ? 1 : 0); + ath9k_hw_gpio_request_out(ah, ah->led_pin, NULL, + AR_GPIO_OUTPUT_MUX_AS_OUTPUT); + } /* * Reset key cache to sane defaults (all entries cleared) instead of @@ -864,9 +867,11 @@ static void ath9k_stop(struct ieee80211_hw *hw) spin_lock_bh(&sc->sc_pcu_lock); - if (ah->led_pin >= 0) + if (ah->led_pin >= 0) { ath9k_hw_set_gpio(ah, ah->led_pin, (ah->config.led_active_high) ? 0 : 1); + ath9k_hw_gpio_request_in(ah, ah->led_pin, NULL); + } ath_prepare_reset(sc); @@ -1154,6 +1159,7 @@ void ath9k_calculate_summary_state(struct ath_softc *sc, bool changed = (iter_data.primary_sta != ctx->primary_sta); if (iter_data.primary_sta) { + iter_data.primary_beacon_vif = iter_data.primary_sta; iter_data.beacons = true; ath9k_set_assoc_state(sc, iter_data.primary_sta, changed); @@ -1563,13 +1569,13 @@ static int ath9k_sta_state(struct ieee80211_hw *hw, struct ath_common *common = ath9k_hw_common(sc->sc_ah); int ret = 0; - if (old_state == IEEE80211_STA_AUTH && - new_state == IEEE80211_STA_ASSOC) { + if (old_state == IEEE80211_STA_NOTEXIST && + new_state == IEEE80211_STA_NONE) { ret = ath9k_sta_add(hw, vif, sta); ath_dbg(common, CONFIG, "Add station: %pM\n", sta->addr); - } else if (old_state == IEEE80211_STA_ASSOC && - new_state == IEEE80211_STA_AUTH) { + } else if (old_state == IEEE80211_STA_NONE && + new_state == IEEE80211_STA_NOTEXIST) { ret = ath9k_sta_remove(hw, vif, sta); ath_dbg(common, CONFIG, "Remove station: %pM\n", sta->addr); diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c index 2628d5e12c64..b8aec5e5ef93 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c @@ -4527,7 +4527,7 @@ brcmf_cfg80211_start_ap(struct wiphy *wiphy, struct net_device *ndev, (u8 *)&settings->beacon.head[ie_offset], settings->beacon.head_len - ie_offset, WLAN_EID_SSID); - if (!ssid_ie) + if (!ssid_ie || ssid_ie->len > IEEE80211_MAX_SSID_LEN) return -EINVAL; memcpy(ssid_le.SSID, ssid_ie->data, ssid_ie->len); @@ -5635,7 +5635,7 @@ static s32 brcmf_notify_vif_event(struct brcmf_if *ifp, ifevent->action, ifevent->flags, ifevent->ifidx, ifevent->bsscfgidx); - mutex_lock(&event->vif_event_lock); + spin_lock(&event->vif_event_lock); event->action = ifevent->action; vif = event->vif; @@ -5643,7 +5643,7 @@ static s32 brcmf_notify_vif_event(struct brcmf_if *ifp, case BRCMF_E_IF_ADD: /* waiting process may have timed out */ if (!cfg->vif_event.vif) { - mutex_unlock(&event->vif_event_lock); + spin_unlock(&event->vif_event_lock); return -EBADF; } @@ -5654,24 +5654,24 @@ static s32 brcmf_notify_vif_event(struct brcmf_if *ifp, ifp->ndev->ieee80211_ptr = &vif->wdev; SET_NETDEV_DEV(ifp->ndev, wiphy_dev(cfg->wiphy)); } - mutex_unlock(&event->vif_event_lock); + spin_unlock(&event->vif_event_lock); wake_up(&event->vif_wq); return 0; case BRCMF_E_IF_DEL: - mutex_unlock(&event->vif_event_lock); + spin_unlock(&event->vif_event_lock); /* event may not be upon user request */ if (brcmf_cfg80211_vif_event_armed(cfg)) wake_up(&event->vif_wq); return 0; case BRCMF_E_IF_CHANGE: - mutex_unlock(&event->vif_event_lock); + spin_unlock(&event->vif_event_lock); wake_up(&event->vif_wq); return 0; default: - mutex_unlock(&event->vif_event_lock); + spin_unlock(&event->vif_event_lock); break; } return -EINVAL; @@ -5792,7 +5792,7 @@ static void wl_deinit_priv(struct brcmf_cfg80211_info *cfg) static void init_vif_event(struct brcmf_cfg80211_vif_event *event) { init_waitqueue_head(&event->vif_wq); - mutex_init(&event->vif_event_lock); + spin_lock_init(&event->vif_event_lock); } static s32 brcmf_dongle_roam(struct brcmf_if *ifp) @@ -6691,9 +6691,9 @@ static inline bool vif_event_equals(struct brcmf_cfg80211_vif_event *event, { u8 evt_action; - mutex_lock(&event->vif_event_lock); + spin_lock(&event->vif_event_lock); evt_action = event->action; - mutex_unlock(&event->vif_event_lock); + spin_unlock(&event->vif_event_lock); return evt_action == action; } @@ -6702,10 +6702,10 @@ void brcmf_cfg80211_arm_vif_event(struct brcmf_cfg80211_info *cfg, { struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; - mutex_lock(&event->vif_event_lock); + spin_lock(&event->vif_event_lock); event->vif = vif; event->action = 0; - mutex_unlock(&event->vif_event_lock); + spin_unlock(&event->vif_event_lock); } bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg) @@ -6713,9 +6713,9 @@ bool brcmf_cfg80211_vif_event_armed(struct brcmf_cfg80211_info *cfg) struct brcmf_cfg80211_vif_event *event = &cfg->vif_event; bool armed; - mutex_lock(&event->vif_event_lock); + spin_lock(&event->vif_event_lock); armed = event->vif != NULL; - mutex_unlock(&event->vif_event_lock); + spin_unlock(&event->vif_event_lock); return armed; } diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h index 7d77f869b7f1..8889832c17e0 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h @@ -227,7 +227,7 @@ struct escan_info { */ struct brcmf_cfg80211_vif_event { wait_queue_head_t vif_wq; - struct mutex vif_event_lock; + spinlock_t vif_event_lock; u8 action; struct brcmf_cfg80211_vif *vif; }; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c index 8d16f0204985..65e8c8766441 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c @@ -743,7 +743,7 @@ static void brcmf_del_if(struct brcmf_pub *drvr, s32 bsscfgidx, * serious troublesome side effects. The p2p module will clean * up the ifp if needed. */ - brcmf_p2p_ifp_removed(ifp); + brcmf_p2p_ifp_removed(ifp, rtnl_locked); kfree(ifp); } } diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c index 66f942f7448e..de19c7c92bc6 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c @@ -2297,7 +2297,7 @@ int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev) return err; } -void brcmf_p2p_ifp_removed(struct brcmf_if *ifp) +void brcmf_p2p_ifp_removed(struct brcmf_if *ifp, bool rtnl_locked) { struct brcmf_cfg80211_info *cfg; struct brcmf_cfg80211_vif *vif; @@ -2306,9 +2306,11 @@ void brcmf_p2p_ifp_removed(struct brcmf_if *ifp) vif = ifp->vif; cfg = wdev_to_cfg(&vif->wdev); cfg->p2p.bss_idx[P2PAPI_BSSCFG_DEVICE].vif = NULL; - rtnl_lock(); + if (!rtnl_locked) + rtnl_lock(); cfg80211_unregister_wdev(&vif->wdev); - rtnl_unlock(); + if (!rtnl_locked) + rtnl_unlock(); brcmf_free_vif(vif); } diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h index a3bd18c2360b..8ce9447533ef 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h @@ -155,7 +155,7 @@ struct wireless_dev *brcmf_p2p_add_vif(struct wiphy *wiphy, const char *name, int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev); int brcmf_p2p_ifchange(struct brcmf_cfg80211_info *cfg, enum brcmf_fil_p2p_if_types if_type); -void brcmf_p2p_ifp_removed(struct brcmf_if *ifp); +void brcmf_p2p_ifp_removed(struct brcmf_if *ifp, bool rtnl_locked); int brcmf_p2p_start_device(struct wiphy *wiphy, struct wireless_dev *wdev); void brcmf_p2p_stop_device(struct wiphy *wiphy, struct wireless_dev *wdev); int brcmf_p2p_scan_prep(struct wiphy *wiphy, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c index 1abcabb9b6cd..46b52bf705fb 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.c @@ -960,5 +960,6 @@ int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, u8 conf_id) } mvm->fw_dbg_conf = conf_id; - return ret; + + return 0; } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.h index f7dff7612c9c..e9f1be9da7d4 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-dbg.h @@ -105,7 +105,8 @@ iwl_fw_dbg_trigger_vif_match(struct iwl_fw_dbg_trigger_tlv *trig, { u32 trig_vif = le32_to_cpu(trig->vif_type); - return trig_vif == IWL_FW_DBG_CONF_VIF_ANY || vif->type == trig_vif; + return trig_vif == IWL_FW_DBG_CONF_VIF_ANY || + ieee80211_vif_type_p2p(vif) == trig_vif; } static inline bool diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index 6d6064534d59..5dd77e336617 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -624,6 +624,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm) hw->wiphy->features |= NL80211_FEATURE_P2P_GO_CTWIN | NL80211_FEATURE_LOW_PRIORITY_SCAN | NL80211_FEATURE_P2P_GO_OPPPS | + NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE | NL80211_FEATURE_DYNAMIC_SMPS | NL80211_FEATURE_STATIC_SMPS | NL80211_FEATURE_SUPPORTS_WMM_ADMISSION; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index b4fc86d5d7ef..6a615bb73042 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -467,6 +467,8 @@ struct iwl_mvm_vif { static inline struct iwl_mvm_vif * iwl_mvm_vif_from_mac80211(struct ieee80211_vif *vif) { + if (!vif) + return NULL; return (void *)vif->drv_priv; } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index c6585ab48df3..b3a87a31de30 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -513,6 +513,15 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb) int hdrlen = ieee80211_hdrlen(hdr->frame_control); int queue; + /* IWL_MVM_OFFCHANNEL_QUEUE is used for ROC packets that can be used + * in 2 different types of vifs, P2P & STATION. P2P uses the offchannel + * queue. STATION (HS2.0) uses the auxiliary context of the FW, + * and hence needs to be sent on the aux queue + */ + if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE && + skb_info->control.vif->type == NL80211_IFTYPE_STATION) + IEEE80211_SKB_CB(skb)->hw_queue = mvm->aux_queue; + memcpy(&info, skb->cb, sizeof(info)); if (WARN_ON_ONCE(info.flags & IEEE80211_TX_CTL_AMPDU)) @@ -526,16 +535,6 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb) /* This holds the amsdu headers length */ skb_info->driver_data[0] = (void *)(uintptr_t)0; - /* - * IWL_MVM_OFFCHANNEL_QUEUE is used for ROC packets that can be used - * in 2 different types of vifs, P2P & STATION. P2P uses the offchannel - * queue. STATION (HS2.0) uses the auxiliary context of the FW, - * and hence needs to be sent on the aux queue - */ - if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE && - info.control.vif->type == NL80211_IFTYPE_STATION) - IEEE80211_SKB_CB(skb)->hw_queue = mvm->aux_queue; - queue = info.hw_queue; /* diff --git a/drivers/net/wireless/marvell/mwifiex/11n_aggr.c b/drivers/net/wireless/marvell/mwifiex/11n_aggr.c index dc49c3de1f25..c47d6366875d 100644 --- a/drivers/net/wireless/marvell/mwifiex/11n_aggr.c +++ b/drivers/net/wireless/marvell/mwifiex/11n_aggr.c @@ -205,7 +205,8 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv, do { /* Check if AMSDU can accommodate this MSDU */ - if (skb_tailroom(skb_aggr) < (skb_src->len + LLC_SNAP_LEN)) + if ((skb_aggr->len + skb_src->len + LLC_SNAP_LEN) > + adapter->tx_buf_size) break; skb_src = skb_dequeue(&pra_list->skb_head); diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c index 6a31f2610c23..daf4c7867102 100644 --- a/drivers/net/xen-netback/xenbus.c +++ b/drivers/net/xen-netback/xenbus.c @@ -271,6 +271,11 @@ static int netback_probe(struct xenbus_device *dev, be->dev = dev; dev_set_drvdata(&dev->dev, be); + be->state = XenbusStateInitialising; + err = xenbus_switch_state(dev, XenbusStateInitialising); + if (err) + goto fail; + sg = 1; do { @@ -383,11 +388,6 @@ static int netback_probe(struct xenbus_device *dev, be->hotplug_script = script; - err = xenbus_switch_state(dev, XenbusStateInitWait); - if (err) - goto fail; - - be->state = XenbusStateInitWait; /* This kicks hotplug scripts, so do it immediately. */ err = backend_create_xenvif(be); @@ -492,20 +492,20 @@ static inline void backend_switch_state(struct backend_info *be, /* Handle backend state transitions: * - * The backend state starts in InitWait and the following transitions are + * The backend state starts in Initialising and the following transitions are * allowed. * - * InitWait -> Connected - * - * ^ \ | - * | \ | - * | \ | - * | \ | - * | \ | - * | \ | - * | V V + * Initialising -> InitWait -> Connected + * \ + * \ ^ \ | + * \ | \ | + * \ | \ | + * \ | \ | + * \ | \ | + * \ | \ | + * V | V V * - * Closed <-> Closing + * Closed <-> Closing * * The state argument specifies the eventual state of the backend and the * function transitions to that state via the shortest path. @@ -515,6 +515,20 @@ static void set_backend_state(struct backend_info *be, { while (be->state != state) { switch (be->state) { + case XenbusStateInitialising: + switch (state) { + case XenbusStateInitWait: + case XenbusStateConnected: + case XenbusStateClosing: + backend_switch_state(be, XenbusStateInitWait); + break; + case XenbusStateClosed: + backend_switch_state(be, XenbusStateClosed); + break; + default: + BUG(); + } + break; case XenbusStateClosed: switch (state) { case XenbusStateInitWait: diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 8dcf5a960951..60f7eab11865 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1693,7 +1693,12 @@ static void nvme_dev_disable(struct nvme_dev *dev, bool shutdown) nvme_suspend_queue(dev->queues[i]); if (csts & NVME_CSTS_CFS || !(csts & NVME_CSTS_RDY)) { - nvme_suspend_queue(dev->queues[0]); + /* A device might become IO incapable very soon during + * probe, before the admin queue is configured. Thus, + * queue_count can be 0 here. + */ + if (dev->queue_count) + nvme_suspend_queue(dev->queues[0]); } else { nvme_disable_io_queues(dev); nvme_disable_admin_queue(dev, shutdown); @@ -2112,6 +2117,8 @@ static const struct pci_device_id nvme_id_table[] = { .driver_data = NVME_QUIRK_IDENTIFY_CNS, }, { PCI_DEVICE(0x1c58, 0x0003), /* HGST adapter */ .driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY, }, + { PCI_DEVICE(0x1c5f, 0x0540), /* Memblaze Pblaze4 adapter */ + .driver_data = NVME_QUIRK_DELAY_BEFORE_CHK_RDY, }, { PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_EXPRESS, 0xffffff) }, { PCI_DEVICE(PCI_VENDOR_ID_APPLE, 0x2001) }, { 0, } diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index ab545fb347a0..fbdb2267e460 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -82,6 +82,8 @@ struct nvme_rdma_request { enum nvme_rdma_queue_flags { NVME_RDMA_Q_CONNECTED = (1 << 0), + NVME_RDMA_IB_QUEUE_ALLOCATED = (1 << 1), + NVME_RDMA_Q_DELETING = (1 << 2), }; struct nvme_rdma_queue { @@ -291,6 +293,7 @@ static int nvme_rdma_reinit_request(void *data, struct request *rq) if (IS_ERR(req->mr)) { ret = PTR_ERR(req->mr); req->mr = NULL; + goto out; } req->mr->need_inval = false; @@ -480,9 +483,14 @@ out_err: static void nvme_rdma_destroy_queue_ib(struct nvme_rdma_queue *queue) { - struct nvme_rdma_device *dev = queue->device; - struct ib_device *ibdev = dev->dev; + struct nvme_rdma_device *dev; + struct ib_device *ibdev; + + if (!test_and_clear_bit(NVME_RDMA_IB_QUEUE_ALLOCATED, &queue->flags)) + return; + dev = queue->device; + ibdev = dev->dev; rdma_destroy_qp(queue->cm_id); ib_free_cq(queue->ib_cq); @@ -533,6 +541,7 @@ static int nvme_rdma_create_queue_ib(struct nvme_rdma_queue *queue, ret = -ENOMEM; goto out_destroy_qp; } + set_bit(NVME_RDMA_IB_QUEUE_ALLOCATED, &queue->flags); return 0; @@ -585,11 +594,13 @@ static int nvme_rdma_init_queue(struct nvme_rdma_ctrl *ctrl, goto out_destroy_cm_id; } + clear_bit(NVME_RDMA_Q_DELETING, &queue->flags); set_bit(NVME_RDMA_Q_CONNECTED, &queue->flags); return 0; out_destroy_cm_id: + nvme_rdma_destroy_queue_ib(queue); rdma_destroy_id(queue->cm_id); return ret; } @@ -608,7 +619,7 @@ static void nvme_rdma_free_queue(struct nvme_rdma_queue *queue) static void nvme_rdma_stop_and_free_queue(struct nvme_rdma_queue *queue) { - if (!test_and_clear_bit(NVME_RDMA_Q_CONNECTED, &queue->flags)) + if (test_and_set_bit(NVME_RDMA_Q_DELETING, &queue->flags)) return; nvme_rdma_stop_queue(queue); nvme_rdma_free_queue(queue); @@ -652,7 +663,7 @@ static int nvme_rdma_init_io_queues(struct nvme_rdma_ctrl *ctrl) return 0; out_free_queues: - for (; i >= 1; i--) + for (i--; i >= 1; i--) nvme_rdma_stop_and_free_queue(&ctrl->queues[i]); return ret; @@ -761,8 +772,13 @@ static void nvme_rdma_error_recovery_work(struct work_struct *work) { struct nvme_rdma_ctrl *ctrl = container_of(work, struct nvme_rdma_ctrl, err_work); + int i; nvme_stop_keep_alive(&ctrl->ctrl); + + for (i = 0; i < ctrl->queue_count; i++) + clear_bit(NVME_RDMA_Q_CONNECTED, &ctrl->queues[i].flags); + if (ctrl->queue_count > 1) nvme_stop_queues(&ctrl->ctrl); blk_mq_stop_hw_queues(ctrl->ctrl.admin_q); @@ -1305,58 +1321,6 @@ out_destroy_queue_ib: return ret; } -/** - * nvme_rdma_device_unplug() - Handle RDMA device unplug - * @queue: Queue that owns the cm_id that caught the event - * - * DEVICE_REMOVAL event notifies us that the RDMA device is about - * to unplug so we should take care of destroying our RDMA resources. - * This event will be generated for each allocated cm_id. - * - * In our case, the RDMA resources are managed per controller and not - * only per queue. So the way we handle this is we trigger an implicit - * controller deletion upon the first DEVICE_REMOVAL event we see, and - * hold the event inflight until the controller deletion is completed. - * - * One exception that we need to handle is the destruction of the cm_id - * that caught the event. Since we hold the callout until the controller - * deletion is completed, we'll deadlock if the controller deletion will - * call rdma_destroy_id on this queue's cm_id. Thus, we claim ownership - * of destroying this queue before-hand, destroy the queue resources, - * then queue the controller deletion which won't destroy this queue and - * we destroy the cm_id implicitely by returning a non-zero rc to the callout. - */ -static int nvme_rdma_device_unplug(struct nvme_rdma_queue *queue) -{ - struct nvme_rdma_ctrl *ctrl = queue->ctrl; - int ret = 0; - - /* Own the controller deletion */ - if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_DELETING)) - return 0; - - dev_warn(ctrl->ctrl.device, - "Got rdma device removal event, deleting ctrl\n"); - - /* Get rid of reconnect work if its running */ - cancel_delayed_work_sync(&ctrl->reconnect_work); - - /* Disable the queue so ctrl delete won't free it */ - if (test_and_clear_bit(NVME_RDMA_Q_CONNECTED, &queue->flags)) { - /* Free this queue ourselves */ - nvme_rdma_stop_queue(queue); - nvme_rdma_destroy_queue_ib(queue); - - /* Return non-zero so the cm_id will destroy implicitly */ - ret = 1; - } - - /* Queue controller deletion */ - queue_work(nvme_rdma_wq, &ctrl->delete_work); - flush_work(&ctrl->delete_work); - return ret; -} - static int nvme_rdma_cm_handler(struct rdma_cm_id *cm_id, struct rdma_cm_event *ev) { @@ -1398,8 +1362,8 @@ static int nvme_rdma_cm_handler(struct rdma_cm_id *cm_id, nvme_rdma_error_recovery(queue->ctrl); break; case RDMA_CM_EVENT_DEVICE_REMOVAL: - /* return 1 means impliciy CM ID destroy */ - return nvme_rdma_device_unplug(queue); + /* device removal is handled via the ib_client API */ + break; default: dev_err(queue->ctrl->ctrl.device, "Unexpected RDMA CM event (%d)\n", ev->event); @@ -1700,15 +1664,19 @@ static int __nvme_rdma_del_ctrl(struct nvme_rdma_ctrl *ctrl) static int nvme_rdma_del_ctrl(struct nvme_ctrl *nctrl) { struct nvme_rdma_ctrl *ctrl = to_rdma_ctrl(nctrl); - int ret; + int ret = 0; + /* + * Keep a reference until all work is flushed since + * __nvme_rdma_del_ctrl can free the ctrl mem + */ + if (!kref_get_unless_zero(&ctrl->ctrl.kref)) + return -EBUSY; ret = __nvme_rdma_del_ctrl(ctrl); - if (ret) - return ret; - - flush_work(&ctrl->delete_work); - - return 0; + if (!ret) + flush_work(&ctrl->delete_work); + nvme_put_ctrl(&ctrl->ctrl); + return ret; } static void nvme_rdma_remove_ctrl_work(struct work_struct *work) @@ -2005,27 +1973,57 @@ static struct nvmf_transport_ops nvme_rdma_transport = { .create_ctrl = nvme_rdma_create_ctrl, }; +static void nvme_rdma_add_one(struct ib_device *ib_device) +{ +} + +static void nvme_rdma_remove_one(struct ib_device *ib_device, void *client_data) +{ + struct nvme_rdma_ctrl *ctrl; + + /* Delete all controllers using this device */ + mutex_lock(&nvme_rdma_ctrl_mutex); + list_for_each_entry(ctrl, &nvme_rdma_ctrl_list, list) { + if (ctrl->device->dev != ib_device) + continue; + dev_info(ctrl->ctrl.device, + "Removing ctrl: NQN \"%s\", addr %pISp\n", + ctrl->ctrl.opts->subsysnqn, &ctrl->addr); + __nvme_rdma_del_ctrl(ctrl); + } + mutex_unlock(&nvme_rdma_ctrl_mutex); + + flush_workqueue(nvme_rdma_wq); +} + +static struct ib_client nvme_rdma_ib_client = { + .name = "nvme_rdma", + .add = nvme_rdma_add_one, + .remove = nvme_rdma_remove_one +}; + static int __init nvme_rdma_init_module(void) { + int ret; + nvme_rdma_wq = create_workqueue("nvme_rdma_wq"); if (!nvme_rdma_wq) return -ENOMEM; + ret = ib_register_client(&nvme_rdma_ib_client); + if (ret) { + destroy_workqueue(nvme_rdma_wq); + return ret; + } + nvmf_register_transport(&nvme_rdma_transport); return 0; } static void __exit nvme_rdma_cleanup_module(void) { - struct nvme_rdma_ctrl *ctrl; - nvmf_unregister_transport(&nvme_rdma_transport); - - mutex_lock(&nvme_rdma_ctrl_mutex); - list_for_each_entry(ctrl, &nvme_rdma_ctrl_list, list) - __nvme_rdma_del_ctrl(ctrl); - mutex_unlock(&nvme_rdma_ctrl_mutex); - + ib_unregister_client(&nvme_rdma_ib_client); destroy_workqueue(nvme_rdma_wq); } diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c index d1ef7acf6930..f9357e09e9b3 100644 --- a/drivers/pci/remove.c +++ b/drivers/pci/remove.c @@ -40,6 +40,7 @@ static void pci_destroy_dev(struct pci_dev *dev) list_del(&dev->bus_list); up_write(&pci_bus_sem); + pci_bridge_d3_device_removed(dev); pci_free_resources(dev); put_device(&dev->dev); } @@ -96,8 +97,6 @@ static void pci_remove_bus_device(struct pci_dev *dev) dev->subordinate = NULL; } - pci_bridge_d3_device_removed(dev); - pci_destroy_dev(dev); } diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c index 489ea1098c96..69b5e811ea2b 100644 --- a/drivers/pcmcia/ds.c +++ b/drivers/pcmcia/ds.c @@ -977,7 +977,7 @@ static int pcmcia_bus_uevent(struct device *dev, struct kobj_uevent_env *env) /************************ runtime PM support ***************************/ -static int pcmcia_dev_suspend(struct device *dev, pm_message_t state); +static int pcmcia_dev_suspend(struct device *dev); static int pcmcia_dev_resume(struct device *dev); static int runtime_suspend(struct device *dev) @@ -985,7 +985,7 @@ static int runtime_suspend(struct device *dev) int rc; device_lock(dev); - rc = pcmcia_dev_suspend(dev, PMSG_SUSPEND); + rc = pcmcia_dev_suspend(dev); device_unlock(dev); return rc; } @@ -1135,7 +1135,7 @@ ATTRIBUTE_GROUPS(pcmcia_dev); /* PM support, also needed for reset */ -static int pcmcia_dev_suspend(struct device *dev, pm_message_t state) +static int pcmcia_dev_suspend(struct device *dev) { struct pcmcia_device *p_dev = to_pcmcia_dev(dev); struct pcmcia_driver *p_drv = NULL; @@ -1410,6 +1410,9 @@ static struct class_interface pcmcia_bus_interface __refdata = { .remove_dev = &pcmcia_bus_remove_socket, }; +static const struct dev_pm_ops pcmcia_bus_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(pcmcia_dev_suspend, pcmcia_dev_resume) +}; struct bus_type pcmcia_bus_type = { .name = "pcmcia", @@ -1418,8 +1421,7 @@ struct bus_type pcmcia_bus_type = { .dev_groups = pcmcia_dev_groups, .probe = pcmcia_device_probe, .remove = pcmcia_device_remove, - .suspend = pcmcia_dev_suspend, - .resume = pcmcia_dev_resume, + .pm = &pcmcia_bus_pm_ops, }; diff --git a/drivers/pcmcia/pxa2xx_base.c b/drivers/pcmcia/pxa2xx_base.c index 483f919e0d2e..91b5f5724cba 100644 --- a/drivers/pcmcia/pxa2xx_base.c +++ b/drivers/pcmcia/pxa2xx_base.c @@ -214,9 +214,8 @@ pxa2xx_pcmcia_frequency_change(struct soc_pcmcia_socket *skt, } #endif -void pxa2xx_configure_sockets(struct device *dev) +void pxa2xx_configure_sockets(struct device *dev, struct pcmcia_low_level *ops) { - struct pcmcia_low_level *ops = dev->platform_data; /* * We have at least one socket, so set MECR:CIT * (Card Is There) @@ -322,7 +321,7 @@ static int pxa2xx_drv_pcmcia_probe(struct platform_device *dev) goto err1; } - pxa2xx_configure_sockets(&dev->dev); + pxa2xx_configure_sockets(&dev->dev, ops); dev_set_drvdata(&dev->dev, sinfo); return 0; @@ -348,7 +347,9 @@ static int pxa2xx_drv_pcmcia_remove(struct platform_device *dev) static int pxa2xx_drv_pcmcia_resume(struct device *dev) { - pxa2xx_configure_sockets(dev); + struct pcmcia_low_level *ops = (struct pcmcia_low_level *)dev->platform_data; + + pxa2xx_configure_sockets(dev, ops); return 0; } diff --git a/drivers/pcmcia/pxa2xx_base.h b/drivers/pcmcia/pxa2xx_base.h index b609b45469ed..e58c7a415418 100644 --- a/drivers/pcmcia/pxa2xx_base.h +++ b/drivers/pcmcia/pxa2xx_base.h @@ -1,4 +1,4 @@ int pxa2xx_drv_pcmcia_add_one(struct soc_pcmcia_socket *skt); void pxa2xx_drv_pcmcia_ops(struct pcmcia_low_level *ops); -void pxa2xx_configure_sockets(struct device *dev); +void pxa2xx_configure_sockets(struct device *dev, struct pcmcia_low_level *ops); diff --git a/drivers/pcmcia/sa1111_badge4.c b/drivers/pcmcia/sa1111_badge4.c index 12f0dd091477..2f490930430d 100644 --- a/drivers/pcmcia/sa1111_badge4.c +++ b/drivers/pcmcia/sa1111_badge4.c @@ -134,20 +134,14 @@ static struct pcmcia_low_level badge4_pcmcia_ops = { int pcmcia_badge4_init(struct sa1111_dev *dev) { - int ret = -ENODEV; - - if (machine_is_badge4()) { - printk(KERN_INFO - "%s: badge4_pcmvcc=%d, badge4_pcmvpp=%d, badge4_cfvcc=%d\n", - __func__, - badge4_pcmvcc, badge4_pcmvpp, badge4_cfvcc); - - sa11xx_drv_pcmcia_ops(&badge4_pcmcia_ops); - ret = sa1111_pcmcia_add(dev, &badge4_pcmcia_ops, - sa11xx_drv_pcmcia_add_one); - } - - return ret; + printk(KERN_INFO + "%s: badge4_pcmvcc=%d, badge4_pcmvpp=%d, badge4_cfvcc=%d\n", + __func__, + badge4_pcmvcc, badge4_pcmvpp, badge4_cfvcc); + + sa11xx_drv_pcmcia_ops(&badge4_pcmcia_ops); + return sa1111_pcmcia_add(dev, &badge4_pcmcia_ops, + sa11xx_drv_pcmcia_add_one); } static int __init pcmv_setup(char *s) diff --git a/drivers/pcmcia/sa1111_generic.c b/drivers/pcmcia/sa1111_generic.c index a1531feb8460..3d95dffcff7a 100644 --- a/drivers/pcmcia/sa1111_generic.c +++ b/drivers/pcmcia/sa1111_generic.c @@ -18,6 +18,7 @@ #include <mach/hardware.h> #include <asm/hardware/sa1111.h> +#include <asm/mach-types.h> #include <asm/irq.h> #include "sa1111_generic.h" @@ -203,19 +204,30 @@ static int pcmcia_probe(struct sa1111_dev *dev) sa1111_writel(PCSSR_S0_SLEEP | PCSSR_S1_SLEEP, base + PCSSR); sa1111_writel(PCCR_S0_FLT | PCCR_S1_FLT, base + PCCR); + ret = -ENODEV; #ifdef CONFIG_SA1100_BADGE4 - pcmcia_badge4_init(dev); + if (machine_is_badge4()) + ret = pcmcia_badge4_init(dev); #endif #ifdef CONFIG_SA1100_JORNADA720 - pcmcia_jornada720_init(dev); + if (machine_is_jornada720()) + ret = pcmcia_jornada720_init(dev); #endif #ifdef CONFIG_ARCH_LUBBOCK - pcmcia_lubbock_init(dev); + if (machine_is_lubbock()) + ret = pcmcia_lubbock_init(dev); #endif #ifdef CONFIG_ASSABET_NEPONSET - pcmcia_neponset_init(dev); + if (machine_is_assabet()) + ret = pcmcia_neponset_init(dev); #endif - return 0; + + if (ret) { + release_mem_region(dev->res.start, 512); + sa1111_disable_device(dev); + } + + return ret; } static int pcmcia_remove(struct sa1111_dev *dev) diff --git a/drivers/pcmcia/sa1111_jornada720.c b/drivers/pcmcia/sa1111_jornada720.c index c2c30580c83f..480a3ede27c8 100644 --- a/drivers/pcmcia/sa1111_jornada720.c +++ b/drivers/pcmcia/sa1111_jornada720.c @@ -94,22 +94,17 @@ static struct pcmcia_low_level jornada720_pcmcia_ops = { int pcmcia_jornada720_init(struct sa1111_dev *sadev) { - int ret = -ENODEV; + unsigned int pin = GPIO_A0 | GPIO_A1 | GPIO_A2 | GPIO_A3; - if (machine_is_jornada720()) { - unsigned int pin = GPIO_A0 | GPIO_A1 | GPIO_A2 | GPIO_A3; + /* Fixme: why messing around with SA11x0's GPIO1? */ + GRER |= 0x00000002; - GRER |= 0x00000002; + /* Set GPIO_A<3:1> to be outputs for PCMCIA/CF power controller: */ + sa1111_set_io_dir(sadev, pin, 0, 0); + sa1111_set_io(sadev, pin, 0); + sa1111_set_sleep_io(sadev, pin, 0); - /* Set GPIO_A<3:1> to be outputs for PCMCIA/CF power controller: */ - sa1111_set_io_dir(sadev, pin, 0, 0); - sa1111_set_io(sadev, pin, 0); - sa1111_set_sleep_io(sadev, pin, 0); - - sa11xx_drv_pcmcia_ops(&jornada720_pcmcia_ops); - ret = sa1111_pcmcia_add(sadev, &jornada720_pcmcia_ops, - sa11xx_drv_pcmcia_add_one); - } - - return ret; + sa11xx_drv_pcmcia_ops(&jornada720_pcmcia_ops); + return sa1111_pcmcia_add(sadev, &jornada720_pcmcia_ops, + sa11xx_drv_pcmcia_add_one); } diff --git a/drivers/pcmcia/sa1111_lubbock.c b/drivers/pcmcia/sa1111_lubbock.c index c5caf5790451..e741f499c875 100644 --- a/drivers/pcmcia/sa1111_lubbock.c +++ b/drivers/pcmcia/sa1111_lubbock.c @@ -210,27 +210,21 @@ static struct pcmcia_low_level lubbock_pcmcia_ops = { int pcmcia_lubbock_init(struct sa1111_dev *sadev) { - int ret = -ENODEV; - - if (machine_is_lubbock()) { - /* - * Set GPIO_A<3:0> to be outputs for the MAX1600, - * and switch to standby mode. - */ - sa1111_set_io_dir(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0, 0); - sa1111_set_io(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0); - sa1111_set_sleep_io(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0); - - /* Set CF Socket 1 power to standby mode. */ - lubbock_set_misc_wr((1 << 15) | (1 << 14), 0); + /* + * Set GPIO_A<3:0> to be outputs for the MAX1600, + * and switch to standby mode. + */ + sa1111_set_io_dir(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0, 0); + sa1111_set_io(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0); + sa1111_set_sleep_io(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0); - pxa2xx_drv_pcmcia_ops(&lubbock_pcmcia_ops); - pxa2xx_configure_sockets(&sadev->dev); - ret = sa1111_pcmcia_add(sadev, &lubbock_pcmcia_ops, - pxa2xx_drv_pcmcia_add_one); - } + /* Set CF Socket 1 power to standby mode. */ + lubbock_set_misc_wr((1 << 15) | (1 << 14), 0); - return ret; + pxa2xx_drv_pcmcia_ops(&lubbock_pcmcia_ops); + pxa2xx_configure_sockets(&sadev->dev, &lubbock_pcmcia_ops); + return sa1111_pcmcia_add(sadev, &lubbock_pcmcia_ops, + pxa2xx_drv_pcmcia_add_one); } MODULE_LICENSE("GPL"); diff --git a/drivers/pcmcia/sa1111_neponset.c b/drivers/pcmcia/sa1111_neponset.c index 1d78739c4c07..019c395eb4bf 100644 --- a/drivers/pcmcia/sa1111_neponset.c +++ b/drivers/pcmcia/sa1111_neponset.c @@ -110,20 +110,14 @@ static struct pcmcia_low_level neponset_pcmcia_ops = { int pcmcia_neponset_init(struct sa1111_dev *sadev) { - int ret = -ENODEV; - - if (machine_is_assabet()) { - /* - * Set GPIO_A<3:0> to be outputs for the MAX1600, - * and switch to standby mode. - */ - sa1111_set_io_dir(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0, 0); - sa1111_set_io(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0); - sa1111_set_sleep_io(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0); - sa11xx_drv_pcmcia_ops(&neponset_pcmcia_ops); - ret = sa1111_pcmcia_add(sadev, &neponset_pcmcia_ops, - sa11xx_drv_pcmcia_add_one); - } - - return ret; + /* + * Set GPIO_A<3:0> to be outputs for the MAX1600, + * and switch to standby mode. + */ + sa1111_set_io_dir(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0, 0); + sa1111_set_io(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0); + sa1111_set_sleep_io(sadev, GPIO_A0|GPIO_A1|GPIO_A2|GPIO_A3, 0); + sa11xx_drv_pcmcia_ops(&neponset_pcmcia_ops); + return sa1111_pcmcia_add(sadev, &neponset_pcmcia_ops, + sa11xx_drv_pcmcia_add_one); } diff --git a/drivers/pcmcia/sa11xx_base.c b/drivers/pcmcia/sa11xx_base.c index 9f6ec87b9f9e..48140ac73ed6 100644 --- a/drivers/pcmcia/sa11xx_base.c +++ b/drivers/pcmcia/sa11xx_base.c @@ -144,19 +144,19 @@ static int sa1100_pcmcia_show_timing(struct soc_pcmcia_socket *skt, char *buf) { struct soc_pcmcia_timing timing; - unsigned int clock = clk_get_rate(skt->clk); + unsigned int clock = clk_get_rate(skt->clk) / 1000; unsigned long mecr = MECR; char *p = buf; soc_common_pcmcia_get_timing(skt, &timing); - p+=sprintf(p, "I/O : %u (%u)\n", timing.io, + p+=sprintf(p, "I/O : %uns (%uns)\n", timing.io, sa1100_pcmcia_cmd_time(clock, MECR_BSIO_GET(mecr, skt->nr))); - p+=sprintf(p, "attribute: %u (%u)\n", timing.attr, + p+=sprintf(p, "attribute: %uns (%uns)\n", timing.attr, sa1100_pcmcia_cmd_time(clock, MECR_BSA_GET(mecr, skt->nr))); - p+=sprintf(p, "common : %u (%u)\n", timing.mem, + p+=sprintf(p, "common : %uns (%uns)\n", timing.mem, sa1100_pcmcia_cmd_time(clock, MECR_BSM_GET(mecr, skt->nr))); return p - buf; diff --git a/drivers/pcmcia/soc_common.c b/drivers/pcmcia/soc_common.c index eed5e9c05353..d5ca760c4eb2 100644 --- a/drivers/pcmcia/soc_common.c +++ b/drivers/pcmcia/soc_common.c @@ -235,7 +235,7 @@ static unsigned int soc_common_pcmcia_skt_state(struct soc_pcmcia_socket *skt) stat |= skt->cs_state.Vcc ? SS_POWERON : 0; if (skt->cs_state.flags & SS_IOCARD) - stat |= state.bvd1 ? SS_STSCHG : 0; + stat |= state.bvd1 ? 0 : SS_STSCHG; else { if (state.bvd1 == 0) stat |= SS_BATDEAD; diff --git a/drivers/rapidio/rio_cm.c b/drivers/rapidio/rio_cm.c index 3fa17ac8df54..cebc296463ad 100644 --- a/drivers/rapidio/rio_cm.c +++ b/drivers/rapidio/rio_cm.c @@ -2247,17 +2247,30 @@ static int rio_cm_shutdown(struct notifier_block *nb, unsigned long code, { struct rio_channel *ch; unsigned int i; + LIST_HEAD(list); riocm_debug(EXIT, "."); + /* + * If there are any channels left in connected state send + * close notification to the connection partner. + * First build a list of channels that require a closing + * notification because function riocm_send_close() should + * be called outside of spinlock protected code. + */ spin_lock_bh(&idr_lock); idr_for_each_entry(&ch_idr, ch, i) { - riocm_debug(EXIT, "close ch %d", ch->id); - if (ch->state == RIO_CM_CONNECTED) - riocm_send_close(ch); + if (ch->state == RIO_CM_CONNECTED) { + riocm_debug(EXIT, "close ch %d", ch->id); + idr_remove(&ch_idr, ch->id); + list_add(&ch->ch_node, &list); + } } spin_unlock_bh(&idr_lock); + list_for_each_entry(ch, &list, ch_node) + riocm_send_close(ch); + return NOTIFY_DONE; } diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index bf40063de202..6d4b68c483f3 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -999,6 +999,7 @@ struct qeth_cmd_buffer *qeth_get_setassparms_cmd(struct qeth_card *, __u16, __u16, enum qeth_prot_versions); int qeth_set_features(struct net_device *, netdev_features_t); +int qeth_recover_features(struct net_device *); netdev_features_t qeth_fix_features(struct net_device *, netdev_features_t); /* exports for OSN */ diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 7dba6c8537a1..20cf29613043 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -3619,7 +3619,8 @@ static void qeth_qdio_cq_handler(struct qeth_card *card, int e; e = 0; - while (buffer->element[e].addr) { + while ((e < QDIO_MAX_ELEMENTS_PER_BUFFER) && + buffer->element[e].addr) { unsigned long phys_aob_addr; phys_aob_addr = (unsigned long) buffer->element[e].addr; @@ -6131,6 +6132,35 @@ static int qeth_set_ipa_tso(struct qeth_card *card, int on) return rc; } +/* try to restore device features on a device after recovery */ +int qeth_recover_features(struct net_device *dev) +{ + struct qeth_card *card = dev->ml_priv; + netdev_features_t recover = dev->features; + + if (recover & NETIF_F_IP_CSUM) { + if (qeth_set_ipa_csum(card, 1, IPA_OUTBOUND_CHECKSUM)) + recover ^= NETIF_F_IP_CSUM; + } + if (recover & NETIF_F_RXCSUM) { + if (qeth_set_ipa_csum(card, 1, IPA_INBOUND_CHECKSUM)) + recover ^= NETIF_F_RXCSUM; + } + if (recover & NETIF_F_TSO) { + if (qeth_set_ipa_tso(card, 1)) + recover ^= NETIF_F_TSO; + } + + if (recover == dev->features) + return 0; + + dev_warn(&card->gdev->dev, + "Device recovery failed to restore all offload features\n"); + dev->features = recover; + return -EIO; +} +EXPORT_SYMBOL_GPL(qeth_recover_features); + int qeth_set_features(struct net_device *dev, netdev_features_t features) { struct qeth_card *card = dev->ml_priv; diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index 7bc20c5188bc..bb27058fa9f0 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -1124,14 +1124,11 @@ static int qeth_l2_setup_netdev(struct qeth_card *card) card->dev->hw_features |= NETIF_F_RXCSUM; card->dev->vlan_features |= NETIF_F_RXCSUM; } - /* Turn on SG per default */ - card->dev->features |= NETIF_F_SG; } card->info.broadcast_capable = 1; qeth_l2_request_initial_mac(card); card->dev->gso_max_size = (QETH_MAX_BUFFER_ELEMENTS(card) - 1) * PAGE_SIZE; - card->dev->gso_max_segs = (QETH_MAX_BUFFER_ELEMENTS(card) - 1); SET_NETDEV_DEV(card->dev, &card->gdev->dev); netif_napi_add(card->dev, &card->napi, qeth_l2_poll, QETH_NAPI_WEIGHT); netif_carrier_off(card->dev); @@ -1246,6 +1243,9 @@ contin: } /* this also sets saved unicast addresses */ qeth_l2_set_rx_mode(card->dev); + rtnl_lock(); + qeth_recover_features(card->dev); + rtnl_unlock(); } /* let user_space know that device is online */ kobject_uevent(&gdev->dev.kobj, KOBJ_CHANGE); diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 72934666fedf..272d9e7419be 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -257,6 +257,11 @@ int qeth_l3_delete_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr) if (addr->in_progress) return -EINPROGRESS; + if (!qeth_card_hw_is_reachable(card)) { + addr->disp_flag = QETH_DISP_ADDR_DELETE; + return 0; + } + rc = qeth_l3_deregister_addr_entry(card, addr); hash_del(&addr->hnode); @@ -296,6 +301,11 @@ int qeth_l3_add_ip(struct qeth_card *card, struct qeth_ipaddr *tmp_addr) hash_add(card->ip_htable, &addr->hnode, qeth_l3_ipaddr_hash(addr)); + if (!qeth_card_hw_is_reachable(card)) { + addr->disp_flag = QETH_DISP_ADDR_ADD; + return 0; + } + /* qeth_l3_register_addr_entry can go to sleep * if we add a IPV4 addr. It is caused by the reason * that SETIP ipa cmd starts ARP staff for IPV4 addr. @@ -390,12 +400,16 @@ static void qeth_l3_recover_ip(struct qeth_card *card) int i; int rc; - QETH_CARD_TEXT(card, 4, "recoverip"); + QETH_CARD_TEXT(card, 4, "recovrip"); spin_lock_bh(&card->ip_lock); hash_for_each_safe(card->ip_htable, i, tmp, addr, hnode) { - if (addr->disp_flag == QETH_DISP_ADDR_ADD) { + if (addr->disp_flag == QETH_DISP_ADDR_DELETE) { + qeth_l3_deregister_addr_entry(card, addr); + hash_del(&addr->hnode); + kfree(addr); + } else if (addr->disp_flag == QETH_DISP_ADDR_ADD) { if (addr->proto == QETH_PROT_IPV4) { addr->in_progress = 1; spin_unlock_bh(&card->ip_lock); @@ -407,10 +421,8 @@ static void qeth_l3_recover_ip(struct qeth_card *card) if (!rc) { addr->disp_flag = QETH_DISP_ADDR_DO_NOTHING; - if (addr->ref_counter < 1) { + if (addr->ref_counter < 1) qeth_l3_delete_ip(card, addr); - kfree(addr); - } } else { hash_del(&addr->hnode); kfree(addr); @@ -689,7 +701,7 @@ int qeth_l3_add_vipa(struct qeth_card *card, enum qeth_prot_versions proto, spin_lock_bh(&card->ip_lock); - if (!qeth_l3_ip_from_hash(card, ipaddr)) + if (qeth_l3_ip_from_hash(card, ipaddr)) rc = -EEXIST; else qeth_l3_add_ip(card, ipaddr); @@ -757,7 +769,7 @@ int qeth_l3_add_rxip(struct qeth_card *card, enum qeth_prot_versions proto, spin_lock_bh(&card->ip_lock); - if (!qeth_l3_ip_from_hash(card, ipaddr)) + if (qeth_l3_ip_from_hash(card, ipaddr)) rc = -EEXIST; else qeth_l3_add_ip(card, ipaddr); @@ -3108,7 +3120,6 @@ static int qeth_l3_setup_netdev(struct qeth_card *card) card->dev->vlan_features = NETIF_F_SG | NETIF_F_RXCSUM | NETIF_F_IP_CSUM | NETIF_F_TSO; - card->dev->features = NETIF_F_SG; } } } else if (card->info.type == QETH_CARD_TYPE_IQD) { @@ -3136,7 +3147,6 @@ static int qeth_l3_setup_netdev(struct qeth_card *card) netif_keep_dst(card->dev); card->dev->gso_max_size = (QETH_MAX_BUFFER_ELEMENTS(card) - 1) * PAGE_SIZE; - card->dev->gso_max_segs = (QETH_MAX_BUFFER_ELEMENTS(card) - 1); SET_NETDEV_DEV(card->dev, &card->gdev->dev); netif_napi_add(card->dev, &card->napi, qeth_l3_poll, QETH_NAPI_WEIGHT); @@ -3269,6 +3279,7 @@ contin: else dev_open(card->dev); qeth_l3_set_multicast_list(card->dev); + qeth_recover_features(card->dev); rtnl_unlock(); } qeth_trace_features(card); diff --git a/drivers/s390/net/qeth_l3_sys.c b/drivers/s390/net/qeth_l3_sys.c index 65645b11fc19..0e00a5ce0f00 100644 --- a/drivers/s390/net/qeth_l3_sys.c +++ b/drivers/s390/net/qeth_l3_sys.c @@ -297,7 +297,9 @@ static ssize_t qeth_l3_dev_hsuid_store(struct device *dev, addr->u.a6.pfxlen = 0; addr->type = QETH_IP_TYPE_NORMAL; + spin_lock_bh(&card->ip_lock); qeth_l3_delete_ip(card, addr); + spin_unlock_bh(&card->ip_lock); kfree(addr); } @@ -329,7 +331,10 @@ static ssize_t qeth_l3_dev_hsuid_store(struct device *dev, addr->type = QETH_IP_TYPE_NORMAL; } else return -ENOMEM; + + spin_lock_bh(&card->ip_lock); qeth_l3_add_ip(card, addr); + spin_unlock_bh(&card->ip_lock); kfree(addr); return count; diff --git a/drivers/staging/lustre/lustre/llite/namei.c b/drivers/staging/lustre/lustre/llite/namei.c index 2c4dc69731e8..a603f29349f9 100644 --- a/drivers/staging/lustre/lustre/llite/namei.c +++ b/drivers/staging/lustre/lustre/llite/namei.c @@ -1050,13 +1050,17 @@ out: } static int ll_rename(struct inode *src, struct dentry *src_dchild, - struct inode *tgt, struct dentry *tgt_dchild) + struct inode *tgt, struct dentry *tgt_dchild, + unsigned int flags) { struct ptlrpc_request *request = NULL; struct ll_sb_info *sbi = ll_i2sbi(src); struct md_op_data *op_data; int err; + if (flags) + return -EINVAL; + CDEBUG(D_VFSTRACE, "VFS Op:oldname=%pd, src_dir="DFID"(%p), newname=%pd, tgt_dir="DFID"(%p)\n", src_dchild, PFID(ll_inode2fid(src)), src, @@ -1102,7 +1106,7 @@ const struct inode_operations ll_dir_inode_operations = { .rmdir = ll_rmdir, .symlink = ll_symlink, .link = ll_link, - .rename = ll_rename, + .rename = ll_rename, .setattr = ll_setattr, .getattr = ll_getattr, .permission = ll_inode_permission, diff --git a/drivers/staging/media/cec/TODO b/drivers/staging/media/cec/TODO index a10d4f82b954..13224694a8ae 100644 --- a/drivers/staging/media/cec/TODO +++ b/drivers/staging/media/cec/TODO @@ -12,6 +12,7 @@ Hopefully this will happen later in 2016. Other TODOs: +- There are two possible replies to CEC_MSG_INITIATE_ARC. How to handle that? - Add a flag to inhibit passing CEC RC messages to the rc subsystem. Applications should be able to choose this when calling S_LOG_ADDRS. - If the reply field of cec_msg is set then when the reply arrives it diff --git a/drivers/staging/media/cec/cec-adap.c b/drivers/staging/media/cec/cec-adap.c index b2393bbacb26..946986f3ac0d 100644 --- a/drivers/staging/media/cec/cec-adap.c +++ b/drivers/staging/media/cec/cec-adap.c @@ -124,10 +124,10 @@ static void cec_queue_event(struct cec_adapter *adap, u64 ts = ktime_get_ns(); struct cec_fh *fh; - mutex_lock(&adap->devnode.fhs_lock); + mutex_lock(&adap->devnode.lock); list_for_each_entry(fh, &adap->devnode.fhs, list) cec_queue_event_fh(fh, ev, ts); - mutex_unlock(&adap->devnode.fhs_lock); + mutex_unlock(&adap->devnode.lock); } /* @@ -191,12 +191,12 @@ static void cec_queue_msg_monitor(struct cec_adapter *adap, u32 monitor_mode = valid_la ? CEC_MODE_MONITOR : CEC_MODE_MONITOR_ALL; - mutex_lock(&adap->devnode.fhs_lock); + mutex_lock(&adap->devnode.lock); list_for_each_entry(fh, &adap->devnode.fhs, list) { if (fh->mode_follower >= monitor_mode) cec_queue_msg_fh(fh, msg); } - mutex_unlock(&adap->devnode.fhs_lock); + mutex_unlock(&adap->devnode.lock); } /* @@ -207,12 +207,12 @@ static void cec_queue_msg_followers(struct cec_adapter *adap, { struct cec_fh *fh; - mutex_lock(&adap->devnode.fhs_lock); + mutex_lock(&adap->devnode.lock); list_for_each_entry(fh, &adap->devnode.fhs, list) { if (fh->mode_follower == CEC_MODE_FOLLOWER) cec_queue_msg_fh(fh, msg); } - mutex_unlock(&adap->devnode.fhs_lock); + mutex_unlock(&adap->devnode.lock); } /* Notify userspace of an adapter state change. */ @@ -851,6 +851,9 @@ void cec_received_msg(struct cec_adapter *adap, struct cec_msg *msg) if (!valid_la || msg->len <= 1) return; + if (adap->log_addrs.log_addr_mask == 0) + return; + /* * Process the message on the protocol level. If is_reply is true, * then cec_receive_notify() won't pass on the reply to the listener(s) @@ -1047,11 +1050,17 @@ static int cec_config_thread_func(void *arg) dprintk(1, "could not claim LA %d\n", i); } + if (adap->log_addrs.log_addr_mask == 0 && + !(las->flags & CEC_LOG_ADDRS_FL_ALLOW_UNREG_FALLBACK)) + goto unconfigure; + configured: if (adap->log_addrs.log_addr_mask == 0) { /* Fall back to unregistered */ las->log_addr[0] = CEC_LOG_ADDR_UNREGISTERED; las->log_addr_mask = 1 << las->log_addr[0]; + for (i = 1; i < las->num_log_addrs; i++) + las->log_addr[i] = CEC_LOG_ADDR_INVALID; } adap->is_configured = true; adap->is_configuring = false; @@ -1070,6 +1079,8 @@ configured: cec_report_features(adap, i); cec_report_phys_addr(adap, i); } + for (i = las->num_log_addrs; i < CEC_MAX_LOG_ADDRS; i++) + las->log_addr[i] = CEC_LOG_ADDR_INVALID; mutex_lock(&adap->lock); adap->kthread_config = NULL; mutex_unlock(&adap->lock); @@ -1398,7 +1409,6 @@ static int cec_receive_notify(struct cec_adapter *adap, struct cec_msg *msg, u8 init_laddr = cec_msg_initiator(msg); u8 devtype = cec_log_addr2dev(adap, dest_laddr); int la_idx = cec_log_addr2idx(adap, dest_laddr); - bool is_directed = la_idx >= 0; bool from_unregistered = init_laddr == 0xf; struct cec_msg tx_cec_msg = { }; @@ -1560,7 +1570,7 @@ static int cec_receive_notify(struct cec_adapter *adap, struct cec_msg *msg, * Unprocessed messages are aborted if userspace isn't doing * any processing either. */ - if (is_directed && !is_reply && !adap->follower_cnt && + if (!is_broadcast && !is_reply && !adap->follower_cnt && !adap->cec_follower && msg->msg[1] != CEC_MSG_FEATURE_ABORT) return cec_feature_abort(adap, msg); break; diff --git a/drivers/staging/media/cec/cec-api.c b/drivers/staging/media/cec/cec-api.c index 7be7615a0fdf..e274e2f22398 100644 --- a/drivers/staging/media/cec/cec-api.c +++ b/drivers/staging/media/cec/cec-api.c @@ -162,7 +162,7 @@ static long cec_adap_s_log_addrs(struct cec_adapter *adap, struct cec_fh *fh, return -ENOTTY; if (copy_from_user(&log_addrs, parg, sizeof(log_addrs))) return -EFAULT; - log_addrs.flags = 0; + log_addrs.flags &= CEC_LOG_ADDRS_FL_ALLOW_UNREG_FALLBACK; mutex_lock(&adap->lock); if (!adap->is_configuring && (!log_addrs.num_log_addrs || !adap->is_configured) && @@ -435,7 +435,7 @@ static long cec_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) void __user *parg = (void __user *)arg; if (!devnode->registered) - return -EIO; + return -ENODEV; switch (cmd) { case CEC_ADAP_G_CAPS: @@ -508,14 +508,14 @@ static int cec_open(struct inode *inode, struct file *filp) filp->private_data = fh; - mutex_lock(&devnode->fhs_lock); + mutex_lock(&devnode->lock); /* Queue up initial state events */ ev_state.state_change.phys_addr = adap->phys_addr; ev_state.state_change.log_addr_mask = adap->log_addrs.log_addr_mask; cec_queue_event_fh(fh, &ev_state, 0); list_add(&fh->list, &devnode->fhs); - mutex_unlock(&devnode->fhs_lock); + mutex_unlock(&devnode->lock); return 0; } @@ -540,9 +540,9 @@ static int cec_release(struct inode *inode, struct file *filp) cec_monitor_all_cnt_dec(adap); mutex_unlock(&adap->lock); - mutex_lock(&devnode->fhs_lock); + mutex_lock(&devnode->lock); list_del(&fh->list); - mutex_unlock(&devnode->fhs_lock); + mutex_unlock(&devnode->lock); /* Unhook pending transmits from this filehandle. */ mutex_lock(&adap->lock); diff --git a/drivers/staging/media/cec/cec-core.c b/drivers/staging/media/cec/cec-core.c index 112a5fae12f5..3b1e4d2b190d 100644 --- a/drivers/staging/media/cec/cec-core.c +++ b/drivers/staging/media/cec/cec-core.c @@ -51,31 +51,29 @@ int cec_get_device(struct cec_devnode *devnode) { /* * Check if the cec device is available. This needs to be done with - * the cec_devnode_lock held to prevent an open/unregister race: + * the devnode->lock held to prevent an open/unregister race: * without the lock, the device could be unregistered and freed between * the devnode->registered check and get_device() calls, leading to * a crash. */ - mutex_lock(&cec_devnode_lock); + mutex_lock(&devnode->lock); /* * return ENXIO if the cec device has been removed * already or if it is not registered anymore. */ if (!devnode->registered) { - mutex_unlock(&cec_devnode_lock); + mutex_unlock(&devnode->lock); return -ENXIO; } /* and increase the device refcount */ get_device(&devnode->dev); - mutex_unlock(&cec_devnode_lock); + mutex_unlock(&devnode->lock); return 0; } void cec_put_device(struct cec_devnode *devnode) { - mutex_lock(&cec_devnode_lock); put_device(&devnode->dev); - mutex_unlock(&cec_devnode_lock); } /* Called when the last user of the cec device exits. */ @@ -84,11 +82,10 @@ static void cec_devnode_release(struct device *cd) struct cec_devnode *devnode = to_cec_devnode(cd); mutex_lock(&cec_devnode_lock); - /* Mark device node number as free */ clear_bit(devnode->minor, cec_devnode_nums); - mutex_unlock(&cec_devnode_lock); + cec_delete_adapter(to_cec_adapter(devnode)); } @@ -117,7 +114,7 @@ static int __must_check cec_devnode_register(struct cec_devnode *devnode, /* Initialization */ INIT_LIST_HEAD(&devnode->fhs); - mutex_init(&devnode->fhs_lock); + mutex_init(&devnode->lock); /* Part 1: Find a free minor number */ mutex_lock(&cec_devnode_lock); @@ -160,7 +157,9 @@ static int __must_check cec_devnode_register(struct cec_devnode *devnode, cdev_del: cdev_del(&devnode->cdev); clr_bit: + mutex_lock(&cec_devnode_lock); clear_bit(devnode->minor, cec_devnode_nums); + mutex_unlock(&cec_devnode_lock); return ret; } @@ -177,17 +176,21 @@ static void cec_devnode_unregister(struct cec_devnode *devnode) { struct cec_fh *fh; + mutex_lock(&devnode->lock); + /* Check if devnode was never registered or already unregistered */ - if (!devnode->registered || devnode->unregistered) + if (!devnode->registered || devnode->unregistered) { + mutex_unlock(&devnode->lock); return; + } - mutex_lock(&devnode->fhs_lock); list_for_each_entry(fh, &devnode->fhs, list) wake_up_interruptible(&fh->wait); - mutex_unlock(&devnode->fhs_lock); devnode->registered = false; devnode->unregistered = true; + mutex_unlock(&devnode->lock); + device_del(&devnode->dev); cdev_del(&devnode->cdev); put_device(&devnode->dev); diff --git a/drivers/staging/media/pulse8-cec/pulse8-cec.c b/drivers/staging/media/pulse8-cec/pulse8-cec.c index 94f8590492dc..ed8bd95ad6d0 100644 --- a/drivers/staging/media/pulse8-cec/pulse8-cec.c +++ b/drivers/staging/media/pulse8-cec/pulse8-cec.c @@ -114,14 +114,11 @@ static void pulse8_irq_work_handler(struct work_struct *work) cec_transmit_done(pulse8->adap, CEC_TX_STATUS_OK, 0, 0, 0, 0); break; - case MSGCODE_TRANSMIT_FAILED_LINE: - cec_transmit_done(pulse8->adap, CEC_TX_STATUS_ARB_LOST, - 1, 0, 0, 0); - break; case MSGCODE_TRANSMIT_FAILED_ACK: cec_transmit_done(pulse8->adap, CEC_TX_STATUS_NACK, 0, 1, 0, 0); break; + case MSGCODE_TRANSMIT_FAILED_LINE: case MSGCODE_TRANSMIT_FAILED_TIMEOUT_DATA: case MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE: cec_transmit_done(pulse8->adap, CEC_TX_STATUS_ERROR, @@ -170,6 +167,9 @@ static irqreturn_t pulse8_interrupt(struct serio *serio, unsigned char data, case MSGCODE_TRANSMIT_FAILED_TIMEOUT_LINE: schedule_work(&pulse8->work); break; + case MSGCODE_HIGH_ERROR: + case MSGCODE_LOW_ERROR: + case MSGCODE_RECEIVE_FAILED: case MSGCODE_TIMEOUT_ERROR: break; case MSGCODE_COMMAND_ACCEPTED: @@ -388,7 +388,7 @@ static int pulse8_cec_adap_transmit(struct cec_adapter *adap, u8 attempts, int err; cmd[0] = MSGCODE_TRANSMIT_IDLETIME; - cmd[1] = 3; + cmd[1] = signal_free_time; err = pulse8_send_and_wait(pulse8, cmd, 2, MSGCODE_COMMAND_ACCEPTED, 1); cmd[0] = MSGCODE_TRANSMIT_ACK_POLARITY; diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 15ce4ab11688..a2d90aca779f 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -240,8 +240,10 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum, memcpy(&endpoint->desc, d, n); INIT_LIST_HEAD(&endpoint->urb_list); - /* Fix up bInterval values outside the legal range. Use 32 ms if no - * proper value can be guessed. */ + /* + * Fix up bInterval values outside the legal range. + * Use 10 or 8 ms if no proper value can be guessed. + */ i = 0; /* i = min, j = max, n = default */ j = 255; if (usb_endpoint_xfer_int(d)) { @@ -250,13 +252,15 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum, case USB_SPEED_SUPER_PLUS: case USB_SPEED_SUPER: case USB_SPEED_HIGH: - /* Many device manufacturers are using full-speed + /* + * Many device manufacturers are using full-speed * bInterval values in high-speed interrupt endpoint - * descriptors. Try to fix those and fall back to a - * 32 ms default value otherwise. */ + * descriptors. Try to fix those and fall back to an + * 8-ms default value otherwise. + */ n = fls(d->bInterval*8); if (n == 0) - n = 9; /* 32 ms = 2^(9-1) uframes */ + n = 7; /* 8 ms = 2^(7-1) uframes */ j = 16; /* @@ -271,10 +275,12 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum, } break; default: /* USB_SPEED_FULL or _LOW */ - /* For low-speed, 10 ms is the official minimum. + /* + * For low-speed, 10 ms is the official minimum. * But some "overclocked" devices might want faster - * polling so we'll allow it. */ - n = 32; + * polling so we'll allow it. + */ + n = 10; break; } } else if (usb_endpoint_xfer_isoc(d)) { @@ -282,10 +288,10 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum, j = 16; switch (to_usb_device(ddev)->speed) { case USB_SPEED_HIGH: - n = 9; /* 32 ms = 2^(9-1) uframes */ + n = 7; /* 8 ms = 2^(7-1) uframes */ break; default: /* USB_SPEED_FULL */ - n = 6; /* 32 ms = 2^(6-1) frames */ + n = 4; /* 8 ms = 2^(4-1) frames */ break; } } diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig index 886526b5fcdd..73cfa13fc0dc 100644 --- a/drivers/usb/musb/Kconfig +++ b/drivers/usb/musb/Kconfig @@ -87,7 +87,7 @@ config USB_MUSB_DA8XX config USB_MUSB_TUSB6010 tristate "TUSB6010" depends on HAS_IOMEM - depends on ARCH_OMAP2PLUS || COMPILE_TEST + depends on (ARCH_OMAP2PLUS || COMPILE_TEST) && !BLACKFIN depends on NOP_USB_XCEIV = USB_MUSB_HDRC # both built-in or both modules config USB_MUSB_OMAP2PLUS diff --git a/drivers/usb/serial/usb-serial-simple.c b/drivers/usb/serial/usb-serial-simple.c index a204782ae530..e98b6e57b703 100644 --- a/drivers/usb/serial/usb-serial-simple.c +++ b/drivers/usb/serial/usb-serial-simple.c @@ -54,7 +54,8 @@ DEVICE(funsoft, FUNSOFT_IDS); /* Infineon Flashloader driver */ #define FLASHLOADER_IDS() \ { USB_DEVICE_INTERFACE_CLASS(0x058b, 0x0041, USB_CLASS_CDC_DATA) }, \ - { USB_DEVICE(0x8087, 0x0716) } + { USB_DEVICE(0x8087, 0x0716) }, \ + { USB_DEVICE(0x8087, 0x0801) } DEVICE(flashloader, FLASHLOADER_IDS); /* Google Serial USB SubClass */ diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h index 6877050384a1..443d12e02043 100644 --- a/fs/9p/v9fs.h +++ b/fs/9p/v9fs.h @@ -148,7 +148,8 @@ extern struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry, extern int v9fs_vfs_unlink(struct inode *i, struct dentry *d); extern int v9fs_vfs_rmdir(struct inode *i, struct dentry *d); extern int v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry); + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags); extern struct inode *v9fs_inode_from_fid(struct v9fs_session_info *v9ses, struct p9_fid *fid, struct super_block *sb, int new); diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 44fa598e6349..8bea369a2936 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -955,7 +955,8 @@ int v9fs_vfs_rmdir(struct inode *i, struct dentry *d) int v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { int retval; struct inode *old_inode; @@ -966,6 +967,9 @@ v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry, struct p9_fid *newdirfid; struct p9_wstat wstat; + if (flags) + return -EINVAL; + p9_debug(P9_DEBUG_VFS, "\n"); retval = 0; old_inode = d_inode(old_dentry); diff --git a/fs/affs/affs.h b/fs/affs/affs.h index cc2b2efc9211..2f088773f1c0 100644 --- a/fs/affs/affs.h +++ b/fs/affs/affs.h @@ -173,7 +173,8 @@ extern int affs_link(struct dentry *olddentry, struct inode *dir, extern int affs_symlink(struct inode *dir, struct dentry *dentry, const char *symname); extern int affs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry); + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags); /* inode.c */ diff --git a/fs/affs/namei.c b/fs/affs/namei.c index a2d68f828d53..29186d29a3b6 100644 --- a/fs/affs/namei.c +++ b/fs/affs/namei.c @@ -414,12 +414,16 @@ affs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry) int affs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct super_block *sb = old_dir->i_sb; struct buffer_head *bh = NULL; int retval; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + pr_debug("%s(old=%lu,\"%pd\" to new=%lu,\"%pd\")\n", __func__, old_dir->i_ino, old_dentry, new_dir->i_ino, new_dentry); diff --git a/fs/afs/dir.c b/fs/afs/dir.c index eba541004d90..51a241e09fbb 100644 --- a/fs/afs/dir.c +++ b/fs/afs/dir.c @@ -38,7 +38,8 @@ static int afs_link(struct dentry *from, struct inode *dir, static int afs_symlink(struct inode *dir, struct dentry *dentry, const char *content); static int afs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry); + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags); const struct file_operations afs_dir_file_operations = { .open = afs_dir_open, @@ -1083,12 +1084,16 @@ error: * rename a file in an AFS filesystem and/or move it between directories */ static int afs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct afs_vnode *orig_dvnode, *new_dvnode, *vnode; struct key *key; int ret; + if (flags) + return -EINVAL; + vnode = AFS_FS_I(d_inode(old_dentry)); orig_dvnode = AFS_FS_I(old_dir); new_dvnode = AFS_FS_I(new_dir); @@ -239,7 +239,12 @@ static struct dentry *aio_mount(struct file_system_type *fs_type, static const struct dentry_operations ops = { .d_dname = simple_dname, }; - return mount_pseudo(fs_type, "aio:", NULL, &ops, AIO_RING_MAGIC); + struct dentry *root = mount_pseudo(fs_type, "aio:", NULL, &ops, + AIO_RING_MAGIC); + + if (!IS_ERR(root)) + root->d_sb->s_iflags |= SB_I_NOEXEC; + return root; } /* aio_setup diff --git a/fs/autofs4/expire.c b/fs/autofs4/expire.c index b493909e7492..d8e6d421c27f 100644 --- a/fs/autofs4/expire.c +++ b/fs/autofs4/expire.c @@ -417,6 +417,7 @@ static struct dentry *should_expire(struct dentry *dentry, } return NULL; } + /* * Find an eligible tree to time-out * A tree is eligible if :- @@ -432,6 +433,7 @@ struct dentry *autofs4_expire_indirect(struct super_block *sb, struct dentry *root = sb->s_root; struct dentry *dentry; struct dentry *expired; + struct dentry *found; struct autofs_info *ino; if (!root) @@ -442,31 +444,46 @@ struct dentry *autofs4_expire_indirect(struct super_block *sb, dentry = NULL; while ((dentry = get_next_positive_subdir(dentry, root))) { + int flags = how; + spin_lock(&sbi->fs_lock); ino = autofs4_dentry_ino(dentry); - if (ino->flags & AUTOFS_INF_WANT_EXPIRE) - expired = NULL; - else - expired = should_expire(dentry, mnt, timeout, how); - if (!expired) { + if (ino->flags & AUTOFS_INF_WANT_EXPIRE) { spin_unlock(&sbi->fs_lock); continue; } + spin_unlock(&sbi->fs_lock); + + expired = should_expire(dentry, mnt, timeout, flags); + if (!expired) + continue; + + spin_lock(&sbi->fs_lock); ino = autofs4_dentry_ino(expired); ino->flags |= AUTOFS_INF_WANT_EXPIRE; spin_unlock(&sbi->fs_lock); synchronize_rcu(); - spin_lock(&sbi->fs_lock); - if (should_expire(expired, mnt, timeout, how)) { - if (expired != dentry) - dput(dentry); - goto found; - } + /* Make sure a reference is not taken on found if + * things have changed. + */ + flags &= ~AUTOFS_EXP_LEAVES; + found = should_expire(expired, mnt, timeout, how); + if (!found || found != expired) + /* Something has changed, continue */ + goto next; + + if (expired != dentry) + dput(dentry); + + spin_lock(&sbi->fs_lock); + goto found; +next: + spin_lock(&sbi->fs_lock); ino->flags &= ~AUTOFS_INF_WANT_EXPIRE; + spin_unlock(&sbi->fs_lock); if (expired != dentry) dput(expired); - spin_unlock(&sbi->fs_lock); } return NULL; @@ -483,6 +500,7 @@ int autofs4_expire_wait(struct dentry *dentry, int rcu_walk) struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb); struct autofs_info *ino = autofs4_dentry_ino(dentry); int status; + int state; /* Block on any pending expire */ if (!(ino->flags & AUTOFS_INF_WANT_EXPIRE)) @@ -490,8 +508,19 @@ int autofs4_expire_wait(struct dentry *dentry, int rcu_walk) if (rcu_walk) return -ECHILD; +retry: spin_lock(&sbi->fs_lock); - if (ino->flags & AUTOFS_INF_EXPIRING) { + state = ino->flags & (AUTOFS_INF_WANT_EXPIRE | AUTOFS_INF_EXPIRING); + if (state == AUTOFS_INF_WANT_EXPIRE) { + spin_unlock(&sbi->fs_lock); + /* + * Possibly being selected for expire, wait until + * it's selected or not. + */ + schedule_timeout_uninterruptible(HZ/10); + goto retry; + } + if (state & AUTOFS_INF_EXPIRING) { spin_unlock(&sbi->fs_lock); pr_debug("waiting for expire %p name=%pd\n", dentry, dentry); diff --git a/fs/bad_inode.c b/fs/bad_inode.c index 3c8ec390b446..9fc451e9f987 100644 --- a/fs/bad_inode.c +++ b/fs/bad_inode.c @@ -133,7 +133,7 @@ static const struct inode_operations bad_inode_ops = .mkdir = bad_inode_mkdir, .rmdir = bad_inode_rmdir, .mknod = bad_inode_mknod, - .rename2 = bad_inode_rename2, + .rename = bad_inode_rename2, .readlink = bad_inode_readlink, /* follow_link must be no-op, otherwise unmounting this inode won't work */ diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c index 4206419a4bdf..3e5ac30e8b6f 100644 --- a/fs/bfs/dir.c +++ b/fs/bfs/dir.c @@ -207,7 +207,8 @@ out_brelse: } static int bfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct inode *old_inode, *new_inode; struct buffer_head *old_bh, *new_bh; @@ -215,6 +216,9 @@ static int bfs_rename(struct inode *old_dir, struct dentry *old_dentry, struct bfs_sb_info *info; int error = -ENOENT; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + old_bh = new_bh = NULL; old_inode = d_inode(old_dentry); if (S_ISDIR(old_inode->i_mode)) diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 38c2df84cabd..665da8f66ff1 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -4271,13 +4271,10 @@ int btrfs_check_data_free_space(struct inode *inode, u64 start, u64 len) if (ret < 0) return ret; - /* - * Use new btrfs_qgroup_reserve_data to reserve precious data space - * - * TODO: Find a good method to avoid reserve data space for NOCOW - * range, but don't impact performance on quota disable case. - */ + /* Use new btrfs_qgroup_reserve_data to reserve precious data space. */ ret = btrfs_qgroup_reserve_data(inode, start, len); + if (ret) + btrfs_free_reserved_data_space_noquota(inode, start, len); return ret; } diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 2924774343e3..a240270dc045 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -10566,7 +10566,7 @@ static const struct inode_operations btrfs_dir_inode_operations = { .link = btrfs_link, .mkdir = btrfs_mkdir, .rmdir = btrfs_rmdir, - .rename2 = btrfs_rename2, + .rename = btrfs_rename2, .symlink = btrfs_symlink, .setattr = btrfs_setattr, .mknod = btrfs_mknod, diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index c48e37444717..b182197f7091 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1634,6 +1634,9 @@ static noinline int btrfs_ioctl_snap_create_transid(struct file *file, int namelen; int ret = 0; + if (!S_ISDIR(file_inode(file)->i_mode)) + return -ENOTDIR; + ret = mnt_want_write_file(file); if (ret) goto out; @@ -1691,6 +1694,9 @@ static noinline int btrfs_ioctl_snap_create(struct file *file, struct btrfs_ioctl_vol_args *vol_args; int ret; + if (!S_ISDIR(file_inode(file)->i_mode)) + return -ENOTDIR; + vol_args = memdup_user(arg, sizeof(*vol_args)); if (IS_ERR(vol_args)) return PTR_ERR(vol_args); @@ -1714,6 +1720,9 @@ static noinline int btrfs_ioctl_snap_create_v2(struct file *file, bool readonly = false; struct btrfs_qgroup_inherit *inherit = NULL; + if (!S_ISDIR(file_inode(file)->i_mode)) + return -ENOTDIR; + vol_args = memdup_user(arg, sizeof(*vol_args)); if (IS_ERR(vol_args)) return PTR_ERR(vol_args); @@ -2357,6 +2366,9 @@ static noinline int btrfs_ioctl_snap_destroy(struct file *file, int ret; int err = 0; + if (!S_ISDIR(dir->i_mode)) + return -ENOTDIR; + vol_args = memdup_user(arg, sizeof(*vol_args)); if (IS_ERR(vol_args)) return PTR_ERR(vol_args); diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c index 3f7c2cd41f8f..9828850d88de 100644 --- a/fs/cachefiles/namei.c +++ b/fs/cachefiles/namei.c @@ -804,8 +804,7 @@ struct dentry *cachefiles_get_directory(struct cachefiles_cache *cache, !d_backing_inode(subdir)->i_op->lookup || !d_backing_inode(subdir)->i_op->mkdir || !d_backing_inode(subdir)->i_op->create || - (!d_backing_inode(subdir)->i_op->rename && - !d_backing_inode(subdir)->i_op->rename2) || + !d_backing_inode(subdir)->i_op->rename || !d_backing_inode(subdir)->i_op->rmdir || !d_backing_inode(subdir)->i_op->unlink) goto check_error; diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index df4b3e6fa563..291a4d59c5f7 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -1061,7 +1061,8 @@ out: } static int ceph_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct ceph_fs_client *fsc = ceph_sb_to_client(old_dir->i_sb); struct ceph_mds_client *mdsc = fsc->mdsc; @@ -1069,6 +1070,9 @@ static int ceph_rename(struct inode *old_dir, struct dentry *old_dentry, int op = CEPH_MDS_OP_RENAME; int err; + if (flags) + return -EINVAL; + if (ceph_snap(old_dir) != ceph_snap(new_dir)) return -EXDEV; if (ceph_snap(old_dir) != CEPH_NOSNAP) { diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 6bbec5e784cd..7d0e0f78da51 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -609,6 +609,9 @@ cifs_get_root(struct smb_vol *vol, struct super_block *sb) char *s, *p; char sep; + if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH) + return dget(sb->s_root); + full_path = cifs_build_path_to_root(vol, cifs_sb, cifs_sb_master_tcon(cifs_sb)); if (full_path == NULL) @@ -686,26 +689,22 @@ cifs_do_mount(struct file_system_type *fs_type, cifs_sb->mountdata = kstrndup(data, PAGE_SIZE, GFP_KERNEL); if (cifs_sb->mountdata == NULL) { root = ERR_PTR(-ENOMEM); - goto out_cifs_sb; + goto out_free; } - if (volume_info->prepath) { - cifs_sb->prepath = kstrdup(volume_info->prepath, GFP_KERNEL); - if (cifs_sb->prepath == NULL) { - root = ERR_PTR(-ENOMEM); - goto out_cifs_sb; - } + rc = cifs_setup_cifs_sb(volume_info, cifs_sb); + if (rc) { + root = ERR_PTR(rc); + goto out_free; } - cifs_setup_cifs_sb(volume_info, cifs_sb); - rc = cifs_mount(cifs_sb, volume_info); if (rc) { if (!(flags & MS_SILENT)) cifs_dbg(VFS, "cifs_mount failed w/return code = %d\n", rc); root = ERR_PTR(rc); - goto out_mountdata; + goto out_free; } mnt_data.vol = volume_info; @@ -735,11 +734,7 @@ cifs_do_mount(struct file_system_type *fs_type, sb->s_flags |= MS_ACTIVE; } - if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH) - root = dget(sb->s_root); - else - root = cifs_get_root(volume_info, sb); - + root = cifs_get_root(volume_info, sb); if (IS_ERR(root)) goto out_super; @@ -752,9 +747,9 @@ out: cifs_cleanup_volume_info(volume_info); return root; -out_mountdata: +out_free: + kfree(cifs_sb->prepath); kfree(cifs_sb->mountdata); -out_cifs_sb: kfree(cifs_sb); out_nls: unload_nls(volume_info->local_nls); @@ -901,7 +896,7 @@ const struct inode_operations cifs_dir_inode_ops = { .link = cifs_hardlink, .mkdir = cifs_mkdir, .rmdir = cifs_rmdir, - .rename2 = cifs_rename2, + .rename = cifs_rename2, .permission = cifs_permission, .setattr = cifs_setattr, .symlink = cifs_symlink, diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index 1243bd326591..95dab43646f0 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -184,7 +184,7 @@ extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf, unsigned int to_read); extern int cifs_read_page_from_socket(struct TCP_Server_Info *server, struct page *page, unsigned int to_read); -extern void cifs_setup_cifs_sb(struct smb_vol *pvolume_info, +extern int cifs_setup_cifs_sb(struct smb_vol *pvolume_info, struct cifs_sb_info *cifs_sb); extern int cifs_match_super(struct super_block *, void *); extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info); diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 7ae03283bd61..2e4f4bad8b1e 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -2781,6 +2781,24 @@ compare_mount_options(struct super_block *sb, struct cifs_mnt_data *mnt_data) return 1; } +static int +match_prepath(struct super_block *sb, struct cifs_mnt_data *mnt_data) +{ + struct cifs_sb_info *old = CIFS_SB(sb); + struct cifs_sb_info *new = mnt_data->cifs_sb; + + if (old->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH) { + if (!(new->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH)) + return 0; + /* The prepath should be null terminated strings */ + if (strcmp(new->prepath, old->prepath)) + return 0; + + return 1; + } + return 0; +} + int cifs_match_super(struct super_block *sb, void *data) { @@ -2808,7 +2826,8 @@ cifs_match_super(struct super_block *sb, void *data) if (!match_server(tcp_srv, volume_info) || !match_session(ses, volume_info) || - !match_tcon(tcon, volume_info->UNC)) { + !match_tcon(tcon, volume_info->UNC) || + !match_prepath(sb, mnt_data)) { rc = 0; goto out; } @@ -3222,7 +3241,7 @@ void reset_cifs_unix_caps(unsigned int xid, struct cifs_tcon *tcon, } } -void cifs_setup_cifs_sb(struct smb_vol *pvolume_info, +int cifs_setup_cifs_sb(struct smb_vol *pvolume_info, struct cifs_sb_info *cifs_sb) { INIT_DELAYED_WORK(&cifs_sb->prune_tlinks, cifs_prune_tlinks); @@ -3316,6 +3335,14 @@ void cifs_setup_cifs_sb(struct smb_vol *pvolume_info, if ((pvolume_info->cifs_acl) && (pvolume_info->dynperm)) cifs_dbg(VFS, "mount option dynperm ignored if cifsacl mount option supported\n"); + + if (pvolume_info->prepath) { + cifs_sb->prepath = kstrdup(pvolume_info->prepath, GFP_KERNEL); + if (cifs_sb->prepath == NULL) + return -ENOMEM; + } + + return 0; } static void diff --git a/fs/coda/dir.c b/fs/coda/dir.c index b10a74bac58b..c0474ac6cbf2 100644 --- a/fs/coda/dir.c +++ b/fs/coda/dir.c @@ -291,7 +291,8 @@ static int coda_rmdir(struct inode *dir, struct dentry *de) /* rename */ static int coda_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { const char *old_name = old_dentry->d_name.name; const char *new_name = new_dentry->d_name.name; @@ -299,6 +300,9 @@ static int coda_rename(struct inode *old_dir, struct dentry *old_dentry, int new_length = new_dentry->d_name.len; int error; + if (flags) + return -EINVAL; + error = venus_rename(old_dir->i_sb, coda_i2f(old_dir), coda_i2f(new_dir), old_length, new_length, (const char *) old_name, (const char *)new_name); diff --git a/fs/configfs/file.c b/fs/configfs/file.c index c30cf49b69d2..2c6312db8516 100644 --- a/fs/configfs/file.c +++ b/fs/configfs/file.c @@ -333,6 +333,7 @@ configfs_write_bin_file(struct file *file, const char __user *buf, if (bin_attr->cb_max_size && *ppos + count > bin_attr->cb_max_size) { len = -EFBIG; + goto out; } tbuf = vmalloc(*ppos + count); diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c index 56a3c82a5785..f17fcf89e18e 100644 --- a/fs/debugfs/inode.c +++ b/fs/debugfs/inode.c @@ -748,7 +748,7 @@ struct dentry *debugfs_rename(struct dentry *old_dir, struct dentry *old_dentry, old_name = fsnotify_oldname_init(old_dentry->d_name.name); error = simple_rename(d_inode(old_dir), old_dentry, d_inode(new_dir), - dentry); + dentry, 0); if (error) { fsnotify_oldname_free(old_name); goto exit; diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index 9d153b6a1d72..fe83c1050048 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -577,7 +577,8 @@ out: static int ecryptfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { int rc; struct dentry *lower_old_dentry; @@ -587,6 +588,9 @@ ecryptfs_rename(struct inode *old_dir, struct dentry *old_dentry, struct dentry *trap = NULL; struct inode *target_inode; + if (flags) + return -EINVAL; + lower_old_dentry = ecryptfs_dentry_to_lower(old_dentry); lower_new_dentry = ecryptfs_dentry_to_lower(new_dentry); dget(lower_old_dentry); diff --git a/fs/exofs/namei.c b/fs/exofs/namei.c index 80c8114d76a6..7295cd722770 100644 --- a/fs/exofs/namei.c +++ b/fs/exofs/namei.c @@ -227,7 +227,8 @@ static int exofs_rmdir(struct inode *dir, struct dentry *dentry) } static int exofs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct inode *old_inode = d_inode(old_dentry); struct inode *new_inode = d_inode(new_dentry); @@ -237,6 +238,9 @@ static int exofs_rename(struct inode *old_dir, struct dentry *old_dentry, struct exofs_dir_entry *old_de; int err = -ENOENT; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + old_de = exofs_find_entry(old_dir, old_dentry, &old_page); if (!old_de) goto out; @@ -310,7 +314,7 @@ const struct inode_operations exofs_dir_inode_operations = { .mkdir = exofs_mkdir, .rmdir = exofs_rmdir, .mknod = exofs_mknod, - .rename = exofs_rename, + .rename = exofs_rename, .setattr = exofs_setattr, }; diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c index edb7b8c116eb..7d66b2012e93 100644 --- a/fs/ext2/namei.c +++ b/fs/ext2/namei.c @@ -328,7 +328,8 @@ static int ext2_rmdir (struct inode * dir, struct dentry *dentry) } static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry, - struct inode * new_dir, struct dentry * new_dentry ) + struct inode * new_dir, struct dentry * new_dentry, + unsigned int flags) { struct inode * old_inode = d_inode(old_dentry); struct inode * new_inode = d_inode(new_dentry); @@ -338,6 +339,9 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry, struct ext2_dir_entry_2 * old_de; int err; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + err = dquot_initialize(old_dir); if (err) goto out; diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 34c0142caf6a..0464e2c0d3fd 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -3880,7 +3880,7 @@ const struct inode_operations ext4_dir_inode_operations = { .rmdir = ext4_rmdir, .mknod = ext4_mknod, .tmpfile = ext4_tmpfile, - .rename2 = ext4_rename2, + .rename = ext4_rename2, .setattr = ext4_setattr, .setxattr = generic_setxattr, .getxattr = generic_getxattr, diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index dfb622ad86dc..71e36a780c90 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -1093,7 +1093,7 @@ const struct inode_operations f2fs_dir_inode_operations = { .mkdir = f2fs_mkdir, .rmdir = f2fs_rmdir, .mknod = f2fs_mknod, - .rename2 = f2fs_rename2, + .rename = f2fs_rename2, .tmpfile = f2fs_tmpfile, .getattr = f2fs_getattr, .setattr = f2fs_setattr, diff --git a/fs/fat/namei_msdos.c b/fs/fat/namei_msdos.c index ccd9f83f9bb6..7d6a105d601b 100644 --- a/fs/fat/namei_msdos.c +++ b/fs/fat/namei_msdos.c @@ -596,12 +596,16 @@ error_inode: /***** Rename, a wrapper for rename_same_dir & rename_diff_dir */ static int msdos_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct super_block *sb = old_dir->i_sb; unsigned char old_msdos_name[MSDOS_NAME], new_msdos_name[MSDOS_NAME]; int err, is_hid; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + mutex_lock(&MSDOS_SB(sb)->s_lock); err = msdos_format_name(old_dentry->d_name.name, diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c index d4a1b2bfda64..bf46a2d7dc50 100644 --- a/fs/fat/namei_vfat.c +++ b/fs/fat/namei_vfat.c @@ -903,7 +903,8 @@ out: } static int vfat_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct buffer_head *dotdot_bh; struct msdos_dir_entry *dotdot_de; @@ -914,6 +915,9 @@ static int vfat_rename(struct inode *old_dir, struct dentry *old_dentry, int err, is_dir, update_dotdot, corrupt = 0; struct super_block *sb = old_dir->i_sb; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + old_sinfo.bh = sinfo.bh = dotdot_bh = NULL; old_inode = d_inode(old_dentry); new_inode = d_inode(new_dentry); diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index 8de80dc563c5..215b4beea2ef 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -1876,7 +1876,7 @@ static const struct inode_operations fuse_dir_inode_operations = { .symlink = fuse_symlink, .unlink = fuse_unlink, .rmdir = fuse_rmdir, - .rename2 = fuse_rename2, + .rename = fuse_rename2, .link = fuse_link, .setattr = fuse_setattr, .create = fuse_create, diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index a197a219eed9..abc74e13502d 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -2054,7 +2054,7 @@ const struct inode_operations gfs2_dir_iops = { .mkdir = gfs2_mkdir, .rmdir = gfs2_unlink, .mknod = gfs2_mknod, - .rename2 = gfs2_rename2, + .rename = gfs2_rename2, .permission = gfs2_permission, .setattr = gfs2_setattr, .getattr = gfs2_getattr, diff --git a/fs/hfs/dir.c b/fs/hfs/dir.c index 4f379fb91691..5de5c48b418d 100644 --- a/fs/hfs/dir.c +++ b/fs/hfs/dir.c @@ -286,10 +286,14 @@ static int hfs_remove(struct inode *dir, struct dentry *dentry) * XXX: how do you handle must_be dir? */ static int hfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { int res; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + /* Unlink destination if it already exists */ if (d_really_is_positive(new_dentry)) { res = hfs_remove(new_dir, new_dentry); diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c index 69c66c21113b..3cf088779589 100644 --- a/fs/hfsplus/dir.c +++ b/fs/hfsplus/dir.c @@ -530,10 +530,14 @@ static int hfsplus_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) } static int hfsplus_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { int res; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + /* Unlink destination if it already exists */ if (d_really_is_positive(new_dentry)) { if (d_is_dir(new_dentry)) diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c index 90e46cd752fe..530606169e49 100644 --- a/fs/hostfs/hostfs_kern.c +++ b/fs/hostfs/hostfs_kern.c @@ -885,7 +885,7 @@ static const struct inode_operations hostfs_dir_iops = { .mkdir = hostfs_mkdir, .rmdir = hostfs_rmdir, .mknod = hostfs_mknod, - .rename2 = hostfs_rename2, + .rename = hostfs_rename2, .permission = hostfs_permission, .setattr = hostfs_setattr, }; diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c index bb8d67e2740a..f30c14414518 100644 --- a/fs/hpfs/namei.c +++ b/fs/hpfs/namei.c @@ -507,7 +507,8 @@ const struct address_space_operations hpfs_symlink_aops = { }; static int hpfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { const unsigned char *old_name = old_dentry->d_name.name; unsigned old_len = old_dentry->d_name.len; @@ -524,6 +525,9 @@ static int hpfs_rename(struct inode *old_dir, struct dentry *old_dentry, struct fnode *fnode; int err; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + if ((err = hpfs_chk_name(new_name, &new_len))) return err; err = 0; hpfs_adjust_length(old_name, &old_len); diff --git a/fs/ioctl.c b/fs/ioctl.c index 0f56deb24ce6..c415668c86d4 100644 --- a/fs/ioctl.c +++ b/fs/ioctl.c @@ -568,7 +568,7 @@ static int ioctl_fsthaw(struct file *filp) return thaw_super(sb); } -static long ioctl_file_dedupe_range(struct file *file, void __user *arg) +static int ioctl_file_dedupe_range(struct file *file, void __user *arg) { struct file_dedupe_range __user *argp = arg; struct file_dedupe_range *same = NULL; @@ -582,6 +582,10 @@ static long ioctl_file_dedupe_range(struct file *file, void __user *arg) } size = offsetof(struct file_dedupe_range __user, info[count]); + if (size > PAGE_SIZE) { + ret = -ENOMEM; + goto out; + } same = memdup_user(argp, size); if (IS_ERR(same)) { diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c index 30eb33ff8189..d957734a2adb 100644 --- a/fs/jffs2/dir.c +++ b/fs/jffs2/dir.c @@ -35,7 +35,8 @@ static int jffs2_mkdir (struct inode *,struct dentry *,umode_t); static int jffs2_rmdir (struct inode *,struct dentry *); static int jffs2_mknod (struct inode *,struct dentry *,umode_t,dev_t); static int jffs2_rename (struct inode *, struct dentry *, - struct inode *, struct dentry *); + struct inode *, struct dentry *, + unsigned int); const struct file_operations jffs2_dir_operations = { @@ -759,7 +760,8 @@ static int jffs2_mknod (struct inode *dir_i, struct dentry *dentry, umode_t mode } static int jffs2_rename (struct inode *old_dir_i, struct dentry *old_dentry, - struct inode *new_dir_i, struct dentry *new_dentry) + struct inode *new_dir_i, struct dentry *new_dentry, + unsigned int flags) { int ret; struct jffs2_sb_info *c = JFFS2_SB_INFO(old_dir_i->i_sb); @@ -767,6 +769,9 @@ static int jffs2_rename (struct inode *old_dir_i, struct dentry *old_dentry, uint8_t type; uint32_t now; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + /* The VFS will check for us and prevent trying to rename a * file over a directory and vice versa, but if it's a directory, * the VFS can't check whether the victim is empty. The filesystem diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c index 10449c1deac0..d1d7c43abb63 100644 --- a/fs/jfs/namei.c +++ b/fs/jfs/namei.c @@ -1078,7 +1078,8 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry, * FUNCTION: rename a file or directory */ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct btstack btstack; ino_t ino; @@ -1097,6 +1098,8 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, s64 new_size = 0; int commit_flag; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; jfs_info("jfs_rename: %pd %pd", old_dentry, new_dentry); diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c index e57174d43683..390390212b43 100644 --- a/fs/kernfs/dir.c +++ b/fs/kernfs/dir.c @@ -1096,13 +1096,17 @@ static int kernfs_iop_rmdir(struct inode *dir, struct dentry *dentry) } static int kernfs_iop_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct kernfs_node *kn = old_dentry->d_fsdata; struct kernfs_node *new_parent = new_dir->i_private; struct kernfs_syscall_ops *scops = kernfs_root(kn)->syscall_ops; int ret; + if (flags) + return -EINVAL; + if (!scops || !scops->rename) return -EPERM; diff --git a/fs/libfs.c b/fs/libfs.c index cc9f7ef2a1ce..d8ee308de325 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -349,11 +349,15 @@ int simple_rmdir(struct inode *dir, struct dentry *dentry) EXPORT_SYMBOL(simple_rmdir); int simple_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct inode *inode = d_inode(old_dentry); int they_are_dirs = d_is_dir(old_dentry); + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + if (!simple_empty(new_dentry)) return -ENOTEMPTY; diff --git a/fs/logfs/dir.c b/fs/logfs/dir.c index a284dd8689a8..c87ea52de3d9 100644 --- a/fs/logfs/dir.c +++ b/fs/logfs/dir.c @@ -718,8 +718,12 @@ out: } static int logfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + if (d_really_is_positive(new_dentry)) return logfs_rename_target(old_dir, old_dentry, new_dir, new_dentry); diff --git a/fs/minix/namei.c b/fs/minix/namei.c index 66ca51530278..1e0f11f5dac9 100644 --- a/fs/minix/namei.c +++ b/fs/minix/namei.c @@ -185,7 +185,8 @@ static int minix_rmdir(struct inode * dir, struct dentry *dentry) } static int minix_rename(struct inode * old_dir, struct dentry *old_dentry, - struct inode * new_dir, struct dentry *new_dentry) + struct inode * new_dir, struct dentry *new_dentry, + unsigned int flags) { struct inode * old_inode = d_inode(old_dentry); struct inode * new_inode = d_inode(new_dentry); @@ -195,6 +196,9 @@ static int minix_rename(struct inode * old_dir, struct dentry *old_dentry, struct minix_dir_entry * old_de; int err = -ENOENT; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + old_de = minix_find_entry(old_dentry, &old_page); if (!old_de) goto out; diff --git a/fs/namei.c b/fs/namei.c index adb04146df09..cf3fc8db909c 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -4369,12 +4369,9 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (error) return error; - if (!old_dir->i_op->rename && !old_dir->i_op->rename2) + if (!old_dir->i_op->rename) return -EPERM; - if (flags && !old_dir->i_op->rename2) - return -EINVAL; - /* * If we are going to change the parent - check write permissions, * we'll need to flip '..'. @@ -4428,14 +4425,8 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (error) goto out; } - if (!old_dir->i_op->rename2) { - error = old_dir->i_op->rename(old_dir, old_dentry, - new_dir, new_dentry); - } else { - WARN_ON(old_dir->i_op->rename != NULL); - error = old_dir->i_op->rename2(old_dir, old_dentry, - new_dir, new_dentry, flags); - } + error = old_dir->i_op->rename(old_dir, old_dentry, + new_dir, new_dentry, flags); if (error) goto out; diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c index 17de5c13dfae..6df2a3827574 100644 --- a/fs/ncpfs/dir.c +++ b/fs/ncpfs/dir.c @@ -36,7 +36,7 @@ static int ncp_unlink(struct inode *, struct dentry *); static int ncp_mkdir(struct inode *, struct dentry *, umode_t); static int ncp_rmdir(struct inode *, struct dentry *); static int ncp_rename(struct inode *, struct dentry *, - struct inode *, struct dentry *); + struct inode *, struct dentry *, unsigned int); static int ncp_mknod(struct inode * dir, struct dentry *dentry, umode_t mode, dev_t rdev); #if defined(CONFIG_NCPFS_EXTRAS) || defined(CONFIG_NCPFS_NFS_NS) @@ -133,12 +133,11 @@ ncp_hash_dentry(const struct dentry *dentry, struct qstr *this) return 0; if (!ncp_case_sensitive(inode)) { - struct super_block *sb = dentry->d_sb; struct nls_table *t; unsigned long hash; int i; - t = NCP_IO_TABLE(sb); + t = NCP_IO_TABLE(dentry->d_sb); hash = init_name_hash(dentry); for (i=0; i<this->len ; i++) hash = partial_name_hash(ncp_tolower(t, this->name[i]), @@ -1106,13 +1105,17 @@ static int ncp_unlink(struct inode *dir, struct dentry *dentry) } static int ncp_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct ncp_server *server = NCP_SERVER(old_dir); int error; int old_len, new_len; __u8 __old_name[NCP_MAXPATHLEN + 1], __new_name[NCP_MAXPATHLEN + 1]; + if (flags) + return -EINVAL; + ncp_dbg(1, "%pd2 to %pd2\n", old_dentry, new_dentry); ncp_age_dentry(server, old_dentry); diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 177fefb26c18..06e0bf092ba9 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -2013,7 +2013,8 @@ EXPORT_SYMBOL_GPL(nfs_link); * the rename. */ int nfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct inode *old_inode = d_inode(old_dentry); struct inode *new_inode = d_inode(new_dentry); @@ -2021,6 +2022,9 @@ int nfs_rename(struct inode *old_dir, struct dentry *old_dentry, struct rpc_task *task; int error = -EBUSY; + if (flags) + return -EINVAL; + dfprintk(VFS, "NFS: rename(%pd2 -> %pd2, ct=%d)\n", old_dentry, new_dentry, d_count(new_dentry)); diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 7d620970f2e1..ca699ddc11c1 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -657,7 +657,10 @@ ssize_t nfs_file_write(struct kiocb *iocb, struct iov_iter *from) if (result <= 0) goto out; - written = generic_write_sync(iocb, result); + result = generic_write_sync(iocb, result); + if (result < 0) + goto out; + written = result; iocb->ki_pos += written; /* Return error values */ diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 74935a19e4bf..48d1adfe25d6 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -359,7 +359,8 @@ int nfs_unlink(struct inode *, struct dentry *); int nfs_symlink(struct inode *, struct dentry *, const char *); int nfs_link(struct dentry *, struct inode *, struct dentry *); int nfs_mknod(struct inode *, struct dentry *, umode_t, dev_t); -int nfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *); +int nfs_rename(struct inode *, struct dentry *, + struct inode *, struct dentry *, unsigned int); /* file.c */ int nfs_file_fsync(struct file *file, loff_t start, loff_t end, int datasync); diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index f5aecaabcb7c..a9dec32ba9ba 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -7570,12 +7570,20 @@ static int _nfs4_proc_create_session(struct nfs_client *clp, status = rpc_call_sync(session->clp->cl_rpcclient, &msg, RPC_TASK_TIMEOUT); trace_nfs4_create_session(clp, status); + switch (status) { + case -NFS4ERR_STALE_CLIENTID: + case -NFS4ERR_DELAY: + case -ETIMEDOUT: + case -EACCES: + case -EAGAIN: + goto out; + }; + + clp->cl_seqid++; if (!status) { /* Verify the session's negotiated channel_attrs values */ status = nfs4_verify_channel_attrs(&args, &res); /* Increment the clientid slot sequence id */ - if (clp->cl_seqid == res.seqid) - clp->cl_seqid++; if (status) goto out; nfs4_update_session(session, &res); @@ -8190,10 +8198,13 @@ static void nfs4_layoutreturn_release(void *calldata) dprintk("--> %s\n", __func__); spin_lock(&lo->plh_inode->i_lock); - pnfs_mark_matching_lsegs_invalid(lo, &freeme, &lrp->args.range, - be32_to_cpu(lrp->args.stateid.seqid)); - if (lrp->res.lrs_present && pnfs_layout_is_valid(lo)) + if (lrp->res.lrs_present) { + pnfs_mark_matching_lsegs_invalid(lo, &freeme, + &lrp->args.range, + be32_to_cpu(lrp->args.stateid.seqid)); pnfs_set_layout_stateid(lo, &lrp->res.stateid, true); + } else + pnfs_mark_layout_stateid_invalid(lo, &freeme); pnfs_clear_layoutreturn_waitbit(lo); spin_unlock(&lo->plh_inode->i_lock); nfs4_sequence_free_slot(&lrp->res.seq_res); diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index 6daf034645c8..2c93a85eda51 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -365,7 +365,8 @@ pnfs_layout_remove_lseg(struct pnfs_layout_hdr *lo, /* Matched by pnfs_get_layout_hdr in pnfs_layout_insert_lseg */ atomic_dec(&lo->plh_refcount); if (list_empty(&lo->plh_segs)) { - set_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags); + if (atomic_read(&lo->plh_outstanding) == 0) + set_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags); clear_bit(NFS_LAYOUT_BULK_RECALL, &lo->plh_flags); } rpc_wake_up(&NFS_SERVER(inode)->roc_rpcwaitq); @@ -768,17 +769,32 @@ pnfs_destroy_all_layouts(struct nfs_client *clp) pnfs_destroy_layouts_byclid(clp, false); } +static void +pnfs_clear_layoutreturn_info(struct pnfs_layout_hdr *lo) +{ + lo->plh_return_iomode = 0; + lo->plh_return_seq = 0; + clear_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags); +} + /* update lo->plh_stateid with new if is more recent */ void pnfs_set_layout_stateid(struct pnfs_layout_hdr *lo, const nfs4_stateid *new, bool update_barrier) { u32 oldseq, newseq, new_barrier = 0; - bool invalid = !pnfs_layout_is_valid(lo); oldseq = be32_to_cpu(lo->plh_stateid.seqid); newseq = be32_to_cpu(new->seqid); - if (invalid || pnfs_seqid_is_newer(newseq, oldseq)) { + + if (!pnfs_layout_is_valid(lo)) { + nfs4_stateid_copy(&lo->plh_stateid, new); + lo->plh_barrier = newseq; + pnfs_clear_layoutreturn_info(lo); + clear_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags); + return; + } + if (pnfs_seqid_is_newer(newseq, oldseq)) { nfs4_stateid_copy(&lo->plh_stateid, new); /* * Because of wraparound, we want to keep the barrier @@ -790,7 +806,7 @@ pnfs_set_layout_stateid(struct pnfs_layout_hdr *lo, const nfs4_stateid *new, new_barrier = be32_to_cpu(new->seqid); else if (new_barrier == 0) return; - if (invalid || pnfs_seqid_is_newer(new_barrier, lo->plh_barrier)) + if (pnfs_seqid_is_newer(new_barrier, lo->plh_barrier)) lo->plh_barrier = new_barrier; } @@ -886,19 +902,14 @@ void pnfs_clear_layoutreturn_waitbit(struct pnfs_layout_hdr *lo) rpc_wake_up(&NFS_SERVER(lo->plh_inode)->roc_rpcwaitq); } -static void -pnfs_clear_layoutreturn_info(struct pnfs_layout_hdr *lo) -{ - lo->plh_return_iomode = 0; - lo->plh_return_seq = 0; - clear_bit(NFS_LAYOUT_RETURN_REQUESTED, &lo->plh_flags); -} - static bool pnfs_prepare_layoutreturn(struct pnfs_layout_hdr *lo, nfs4_stateid *stateid, enum pnfs_iomode *iomode) { + /* Serialise LAYOUTGET/LAYOUTRETURN */ + if (atomic_read(&lo->plh_outstanding) != 0) + return false; if (test_and_set_bit(NFS_LAYOUT_RETURN, &lo->plh_flags)) return false; pnfs_get_layout_hdr(lo); @@ -1798,16 +1809,11 @@ pnfs_layout_process(struct nfs4_layoutget *lgp) */ pnfs_mark_layout_stateid_invalid(lo, &free_me); - nfs4_stateid_copy(&lo->plh_stateid, &res->stateid); - lo->plh_barrier = be32_to_cpu(res->stateid.seqid); + pnfs_set_layout_stateid(lo, &res->stateid, true); } pnfs_get_lseg(lseg); pnfs_layout_insert_lseg(lo, lseg, &free_me); - if (!pnfs_layout_is_valid(lo)) { - pnfs_clear_layoutreturn_info(lo); - clear_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags); - } if (res->return_on_close) diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c index ace5ebf3b2a8..2b71c60fe982 100644 --- a/fs/nilfs2/namei.c +++ b/fs/nilfs2/namei.c @@ -350,7 +350,8 @@ static int nilfs_rmdir(struct inode *dir, struct dentry *dentry) } static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct inode *old_inode = d_inode(old_dentry); struct inode *new_inode = d_inode(new_dentry); @@ -361,6 +362,9 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry, struct nilfs_transaction_info ti; int err; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + err = nilfs_transaction_begin(old_dir->i_sb, &ti, 1); if (unlikely(err)) return err; diff --git a/fs/notify/fanotify/fanotify.c b/fs/notify/fanotify/fanotify.c index d2f97ecca6a5..e0e5f7c3c99f 100644 --- a/fs/notify/fanotify/fanotify.c +++ b/fs/notify/fanotify/fanotify.c @@ -67,18 +67,7 @@ static int fanotify_get_response(struct fsnotify_group *group, pr_debug("%s: group=%p event=%p\n", __func__, group, event); - wait_event(group->fanotify_data.access_waitq, event->response || - atomic_read(&group->fanotify_data.bypass_perm)); - - if (!event->response) { /* bypass_perm set */ - /* - * Event was canceled because group is being destroyed. Remove - * it from group's event list because we are responsible for - * freeing the permission event. - */ - fsnotify_remove_event(group, &event->fae.fse); - return 0; - } + wait_event(group->fanotify_data.access_waitq, event->response); /* userspace responded, convert to something usable */ switch (event->response) { diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c index 8e8e6bcd1d43..a64313868d3a 100644 --- a/fs/notify/fanotify/fanotify_user.c +++ b/fs/notify/fanotify/fanotify_user.c @@ -358,16 +358,20 @@ static int fanotify_release(struct inode *ignored, struct file *file) #ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS struct fanotify_perm_event_info *event, *next; + struct fsnotify_event *fsn_event; /* - * There may be still new events arriving in the notification queue - * but since userspace cannot use fanotify fd anymore, no event can - * enter or leave access_list by now. + * Stop new events from arriving in the notification queue. since + * userspace cannot use fanotify fd anymore, no event can enter or + * leave access_list by now either. */ - spin_lock(&group->fanotify_data.access_lock); - - atomic_inc(&group->fanotify_data.bypass_perm); + fsnotify_group_stop_queueing(group); + /* + * Process all permission events on access_list and notification queue + * and simulate reply from userspace. + */ + spin_lock(&group->fanotify_data.access_lock); list_for_each_entry_safe(event, next, &group->fanotify_data.access_list, fae.fse.list) { pr_debug("%s: found group=%p event=%p\n", __func__, group, @@ -379,12 +383,21 @@ static int fanotify_release(struct inode *ignored, struct file *file) spin_unlock(&group->fanotify_data.access_lock); /* - * Since bypass_perm is set, newly queued events will not wait for - * access response. Wake up the already sleeping ones now. - * synchronize_srcu() in fsnotify_destroy_group() will wait for all - * processes sleeping in fanotify_handle_event() waiting for access - * response and thus also for all permission events to be freed. + * Destroy all non-permission events. For permission events just + * dequeue them and set the response. They will be freed once the + * response is consumed and fanotify_get_response() returns. */ + mutex_lock(&group->notification_mutex); + while (!fsnotify_notify_queue_is_empty(group)) { + fsn_event = fsnotify_remove_first_event(group); + if (!(fsn_event->mask & FAN_ALL_PERM_EVENTS)) + fsnotify_destroy_event(group, fsn_event); + else + FANOTIFY_PE(fsn_event)->response = FAN_ALLOW; + } + mutex_unlock(&group->notification_mutex); + + /* Response for all permission events it set, wakeup waiters */ wake_up(&group->fanotify_data.access_waitq); #endif @@ -755,7 +768,6 @@ SYSCALL_DEFINE2(fanotify_init, unsigned int, flags, unsigned int, event_f_flags) spin_lock_init(&group->fanotify_data.access_lock); init_waitqueue_head(&group->fanotify_data.access_waitq); INIT_LIST_HEAD(&group->fanotify_data.access_list); - atomic_set(&group->fanotify_data.bypass_perm, 0); #endif switch (flags & FAN_ALL_CLASS_BITS) { case FAN_CLASS_NOTIF: diff --git a/fs/notify/group.c b/fs/notify/group.c index 3e2dd85be5dd..b47f7cfdcaa4 100644 --- a/fs/notify/group.c +++ b/fs/notify/group.c @@ -40,6 +40,17 @@ static void fsnotify_final_destroy_group(struct fsnotify_group *group) } /* + * Stop queueing new events for this group. Once this function returns + * fsnotify_add_event() will not add any new events to the group's queue. + */ +void fsnotify_group_stop_queueing(struct fsnotify_group *group) +{ + mutex_lock(&group->notification_mutex); + group->shutdown = true; + mutex_unlock(&group->notification_mutex); +} + +/* * Trying to get rid of a group. Remove all marks, flush all events and release * the group reference. * Note that another thread calling fsnotify_clear_marks_by_group() may still @@ -47,6 +58,14 @@ static void fsnotify_final_destroy_group(struct fsnotify_group *group) */ void fsnotify_destroy_group(struct fsnotify_group *group) { + /* + * Stop queueing new events. The code below is careful enough to not + * require this but fanotify needs to stop queuing events even before + * fsnotify_destroy_group() is called and this makes the other callers + * of fsnotify_destroy_group() to see the same behavior. + */ + fsnotify_group_stop_queueing(group); + /* clear all inode marks for this group, attach them to destroy_list */ fsnotify_detach_group_marks(group); diff --git a/fs/notify/notification.c b/fs/notify/notification.c index a95d8e037aeb..e455e83ceeeb 100644 --- a/fs/notify/notification.c +++ b/fs/notify/notification.c @@ -82,7 +82,8 @@ void fsnotify_destroy_event(struct fsnotify_group *group, * Add an event to the group notification queue. The group can later pull this * event off the queue to deal with. The function returns 0 if the event was * added to the queue, 1 if the event was merged with some other queued event, - * 2 if the queue of events has overflown. + * 2 if the event was not queued - either the queue of events has overflown + * or the group is shutting down. */ int fsnotify_add_event(struct fsnotify_group *group, struct fsnotify_event *event, @@ -96,6 +97,11 @@ int fsnotify_add_event(struct fsnotify_group *group, mutex_lock(&group->notification_mutex); + if (group->shutdown) { + mutex_unlock(&group->notification_mutex); + return 2; + } + if (group->q_len >= group->max_events) { ret = 2; /* Queue overflow event only if it isn't already queued */ @@ -126,21 +132,6 @@ queue: } /* - * Remove @event from group's notification queue. It is the responsibility of - * the caller to destroy the event. - */ -void fsnotify_remove_event(struct fsnotify_group *group, - struct fsnotify_event *event) -{ - mutex_lock(&group->notification_mutex); - if (!list_empty(&event->list)) { - list_del_init(&event->list); - group->q_len--; - } - mutex_unlock(&group->notification_mutex); -} - -/* * Remove and return the first event from the notification list. It is the * responsibility of the caller to destroy the obtained event */ diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 498e71141b53..f72712f6c28d 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -5922,7 +5922,6 @@ bail: } static int ocfs2_replay_truncate_records(struct ocfs2_super *osb, - handle_t *handle, struct inode *data_alloc_inode, struct buffer_head *data_alloc_bh) { @@ -5935,11 +5934,19 @@ static int ocfs2_replay_truncate_records(struct ocfs2_super *osb, struct ocfs2_truncate_log *tl; struct inode *tl_inode = osb->osb_tl_inode; struct buffer_head *tl_bh = osb->osb_tl_bh; + handle_t *handle; di = (struct ocfs2_dinode *) tl_bh->b_data; tl = &di->id2.i_dealloc; i = le16_to_cpu(tl->tl_used) - 1; while (i >= 0) { + handle = ocfs2_start_trans(osb, OCFS2_TRUNCATE_LOG_FLUSH_ONE_REC); + if (IS_ERR(handle)) { + status = PTR_ERR(handle); + mlog_errno(status); + goto bail; + } + /* Caller has given us at least enough credits to * update the truncate log dinode */ status = ocfs2_journal_access_di(handle, INODE_CACHE(tl_inode), tl_bh, @@ -5974,12 +5981,7 @@ static int ocfs2_replay_truncate_records(struct ocfs2_super *osb, } } - status = ocfs2_extend_trans(handle, - OCFS2_TRUNCATE_LOG_FLUSH_ONE_REC); - if (status < 0) { - mlog_errno(status); - goto bail; - } + ocfs2_commit_trans(osb, handle); i--; } @@ -5994,7 +5996,6 @@ int __ocfs2_flush_truncate_log(struct ocfs2_super *osb) { int status; unsigned int num_to_flush; - handle_t *handle; struct inode *tl_inode = osb->osb_tl_inode; struct inode *data_alloc_inode = NULL; struct buffer_head *tl_bh = osb->osb_tl_bh; @@ -6038,21 +6039,11 @@ int __ocfs2_flush_truncate_log(struct ocfs2_super *osb) goto out_mutex; } - handle = ocfs2_start_trans(osb, OCFS2_TRUNCATE_LOG_FLUSH_ONE_REC); - if (IS_ERR(handle)) { - status = PTR_ERR(handle); - mlog_errno(status); - goto out_unlock; - } - - status = ocfs2_replay_truncate_records(osb, handle, data_alloc_inode, + status = ocfs2_replay_truncate_records(osb, data_alloc_inode, data_alloc_bh); if (status < 0) mlog_errno(status); - ocfs2_commit_trans(osb, handle); - -out_unlock: brelse(data_alloc_bh); ocfs2_inode_unlock(data_alloc_inode, 1); @@ -6413,43 +6404,34 @@ static int ocfs2_free_cached_blocks(struct ocfs2_super *osb, goto out_mutex; } - handle = ocfs2_start_trans(osb, OCFS2_SUBALLOC_FREE); - if (IS_ERR(handle)) { - ret = PTR_ERR(handle); - mlog_errno(ret); - goto out_unlock; - } - while (head) { if (head->free_bg) bg_blkno = head->free_bg; else bg_blkno = ocfs2_which_suballoc_group(head->free_blk, head->free_bit); + handle = ocfs2_start_trans(osb, OCFS2_SUBALLOC_FREE); + if (IS_ERR(handle)) { + ret = PTR_ERR(handle); + mlog_errno(ret); + goto out_unlock; + } + trace_ocfs2_free_cached_blocks( (unsigned long long)head->free_blk, head->free_bit); ret = ocfs2_free_suballoc_bits(handle, inode, di_bh, head->free_bit, bg_blkno, 1); - if (ret) { + if (ret) mlog_errno(ret); - goto out_journal; - } - ret = ocfs2_extend_trans(handle, OCFS2_SUBALLOC_FREE); - if (ret) { - mlog_errno(ret); - goto out_journal; - } + ocfs2_commit_trans(osb, handle); tmp = head; head = head->free_next; kfree(tmp); } -out_journal: - ocfs2_commit_trans(osb, handle); - out_unlock: ocfs2_inode_unlock(inode, 1); brelse(di_bh); diff --git a/fs/ocfs2/cluster/tcp_internal.h b/fs/ocfs2/cluster/tcp_internal.h index 94b18369b1cc..b95e7df5b76a 100644 --- a/fs/ocfs2/cluster/tcp_internal.h +++ b/fs/ocfs2/cluster/tcp_internal.h @@ -44,9 +44,6 @@ * version here in tcp_internal.h should not need to be bumped for * filesystem locking changes. * - * New in version 12 - * - Negotiate hb timeout when storage is down. - * * New in version 11 * - Negotiation of filesystem locking in the dlm join. * @@ -78,7 +75,7 @@ * - full 64 bit i_size in the metadata lock lvbs * - introduction of "rw" lock and pushing meta/data locking down */ -#define O2NET_PROTOCOL_VERSION 12ULL +#define O2NET_PROTOCOL_VERSION 11ULL struct o2net_handshake { __be64 protocol_version; __be64 connector_id; diff --git a/fs/ocfs2/dlm/dlmconvert.c b/fs/ocfs2/dlm/dlmconvert.c index cdeafb4e7ed6..0bb128659d4b 100644 --- a/fs/ocfs2/dlm/dlmconvert.c +++ b/fs/ocfs2/dlm/dlmconvert.c @@ -268,7 +268,6 @@ enum dlm_status dlmconvert_remote(struct dlm_ctxt *dlm, struct dlm_lock *lock, int flags, int type) { enum dlm_status status; - u8 old_owner = res->owner; mlog(0, "type=%d, convert_type=%d, busy=%d\n", lock->ml.type, lock->ml.convert_type, res->state & DLM_LOCK_RES_IN_PROGRESS); @@ -335,7 +334,6 @@ enum dlm_status dlmconvert_remote(struct dlm_ctxt *dlm, spin_lock(&res->spinlock); res->state &= ~DLM_LOCK_RES_IN_PROGRESS; - lock->convert_pending = 0; /* if it failed, move it back to granted queue. * if master returns DLM_NORMAL and then down before sending ast, * it may have already been moved to granted queue, reset to @@ -344,12 +342,14 @@ enum dlm_status dlmconvert_remote(struct dlm_ctxt *dlm, if (status != DLM_NOTQUEUED) dlm_error(status); dlm_revert_pending_convert(res, lock); - } else if ((res->state & DLM_LOCK_RES_RECOVERING) || - (old_owner != res->owner)) { - mlog(0, "res %.*s is in recovering or has been recovered.\n", - res->lockname.len, res->lockname.name); + } else if (!lock->convert_pending) { + mlog(0, "%s: res %.*s, owner died and lock has been moved back " + "to granted list, retry convert.\n", + dlm->name, res->lockname.len, res->lockname.name); status = DLM_RECOVERING; } + + lock->convert_pending = 0; bail: spin_unlock(&res->spinlock); diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 9adcac9dfda1..63bfc3b5260d 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -1506,7 +1506,8 @@ static int ocfs2_zero_partial_clusters(struct inode *inode, u64 start, u64 len) { int ret = 0; - u64 tmpend, end = start + len; + u64 tmpend = 0; + u64 end = start + len; struct ocfs2_super *osb = OCFS2_SB(inode->i_sb); unsigned int csize = osb->s_clustersize; handle_t *handle; @@ -1538,18 +1539,31 @@ static int ocfs2_zero_partial_clusters(struct inode *inode, } /* - * We want to get the byte offset of the end of the 1st cluster. + * If start is on a cluster boundary and end is somewhere in another + * cluster, we have not COWed the cluster starting at start, unless + * end is also within the same cluster. So, in this case, we skip this + * first call to ocfs2_zero_range_for_truncate() truncate and move on + * to the next one. */ - tmpend = (u64)osb->s_clustersize + (start & ~(osb->s_clustersize - 1)); - if (tmpend > end) - tmpend = end; + if ((start & (csize - 1)) != 0) { + /* + * We want to get the byte offset of the end of the 1st + * cluster. + */ + tmpend = (u64)osb->s_clustersize + + (start & ~(osb->s_clustersize - 1)); + if (tmpend > end) + tmpend = end; - trace_ocfs2_zero_partial_clusters_range1((unsigned long long)start, - (unsigned long long)tmpend); + trace_ocfs2_zero_partial_clusters_range1( + (unsigned long long)start, + (unsigned long long)tmpend); - ret = ocfs2_zero_range_for_truncate(inode, handle, start, tmpend); - if (ret) - mlog_errno(ret); + ret = ocfs2_zero_range_for_truncate(inode, handle, start, + tmpend); + if (ret) + mlog_errno(ret); + } if (tmpend < end) { /* diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index e2747d8d0552..0e0e387f2da3 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -1203,7 +1203,8 @@ static void ocfs2_double_unlock(struct inode *inode1, struct inode *inode2) static int ocfs2_rename(struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, - struct dentry *new_dentry) + struct dentry *new_dentry, + unsigned int flags) { int status = 0, rename_lock = 0, parents_locked = 0, target_exists = 0; int old_child_locked = 0, new_child_locked = 0, update_dot_dot = 0; @@ -1228,6 +1229,9 @@ static int ocfs2_rename(struct inode *old_dir, struct ocfs2_dir_lookup_result target_insert = { NULL, }; bool should_add_orphan = false; + if (flags) + return -EINVAL; + /* At some point it might be nice to break this function up a * bit. */ diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c index ea47120a85ff..6ad3533940ba 100644 --- a/fs/ocfs2/suballoc.c +++ b/fs/ocfs2/suballoc.c @@ -1199,14 +1199,24 @@ retry: inode_unlock((*ac)->ac_inode); ret = ocfs2_try_to_free_truncate_log(osb, bits_wanted); - if (ret == 1) + if (ret == 1) { + iput((*ac)->ac_inode); + (*ac)->ac_inode = NULL; goto retry; + } if (ret < 0) mlog_errno(ret); inode_lock((*ac)->ac_inode); - ocfs2_inode_lock((*ac)->ac_inode, NULL, 1); + ret = ocfs2_inode_lock((*ac)->ac_inode, NULL, 1); + if (ret < 0) { + mlog_errno(ret); + inode_unlock((*ac)->ac_inode); + iput((*ac)->ac_inode); + (*ac)->ac_inode = NULL; + goto bail; + } } if (status < 0) { if (status != -ENOSPC) diff --git a/fs/omfs/dir.c b/fs/omfs/dir.c index 9a89164de1cc..b7146526afff 100644 --- a/fs/omfs/dir.c +++ b/fs/omfs/dir.c @@ -371,12 +371,16 @@ static bool omfs_fill_chain(struct inode *dir, struct dir_context *ctx, } static int omfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct inode *new_inode = d_inode(new_dentry); struct inode *old_inode = d_inode(old_dentry); int err; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + if (new_inode) { /* overwriting existing file/dir */ err = omfs_remove(new_dir, new_dentry); diff --git a/fs/orangefs/namei.c b/fs/orangefs/namei.c index e1ab95529231..0dfa868a6d03 100644 --- a/fs/orangefs/namei.c +++ b/fs/orangefs/namei.c @@ -409,11 +409,15 @@ out: static int orangefs_rename(struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, - struct dentry *new_dentry) + struct dentry *new_dentry, + unsigned int flags) { struct orangefs_kernel_op_s *new_op; int ret; + if (flags) + return -EINVAL; + gossip_debug(GOSSIP_NAME_DEBUG, "orangefs_rename: called (%pd2 => %pd2) ct=%d\n", old_dentry, new_dentry, d_count(new_dentry)); diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c index 1560fdc09a5f..480fc7868a2f 100644 --- a/fs/overlayfs/dir.c +++ b/fs/overlayfs/dir.c @@ -996,7 +996,7 @@ const struct inode_operations ovl_dir_inode_operations = { .symlink = ovl_symlink, .unlink = ovl_unlink, .rmdir = ovl_rmdir, - .rename2 = ovl_rename2, + .rename = ovl_rename2, .link = ovl_link, .setattr = ovl_setattr, .create = ovl_create, diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index 5813ccff8cd9..e218e741cb99 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -114,13 +114,13 @@ static inline int ovl_do_rename(struct inode *olddir, struct dentry *olddentry, { int err; - pr_debug("rename2(%pd2, %pd2, 0x%x)\n", + pr_debug("rename(%pd2, %pd2, 0x%x)\n", olddentry, newdentry, flags); err = vfs_rename(olddir, olddentry, newdir, newdentry, NULL, flags); if (err) { - pr_debug("...rename2(%pd2, %pd2, ...) = %i\n", + pr_debug("...rename(%pd2, %pd2, ...) = %i\n", olddentry, newdentry, err); } return err; diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c index a939f5ed7f89..5c89a07e3d7f 100644 --- a/fs/proc/kcore.c +++ b/fs/proc/kcore.c @@ -430,6 +430,7 @@ static void elf_kcore_store_hdr(char *bufp, int nphdr, int dataoff) static ssize_t read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos) { + char *buf = file->private_data; ssize_t acc = 0; size_t size, tsz; size_t elf_buflen; @@ -500,23 +501,20 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos) if (clear_user(buffer, tsz)) return -EFAULT; } else if (is_vmalloc_or_module_addr((void *)start)) { - char * elf_buf; - - elf_buf = kzalloc(tsz, GFP_KERNEL); - if (!elf_buf) - return -ENOMEM; - vread(elf_buf, (char *)start, tsz); + vread(buf, (char *)start, tsz); /* we have to zero-fill user buffer even if no read */ - if (copy_to_user(buffer, elf_buf, tsz)) { - kfree(elf_buf); + if (copy_to_user(buffer, buf, tsz)) return -EFAULT; - } - kfree(elf_buf); } else { if (kern_addr_valid(start)) { unsigned long n; - n = copy_to_user(buffer, (char *)start, tsz); + /* + * Using bounce buffer to bypass the + * hardened user copy kernel text checks. + */ + memcpy(buf, (char *) start, tsz); + n = copy_to_user(buffer, buf, tsz); /* * We cannot distinguish between fault on source * and fault on destination. When this happens @@ -549,6 +547,11 @@ static int open_kcore(struct inode *inode, struct file *filp) { if (!capable(CAP_SYS_RAWIO)) return -EPERM; + + filp->private_data = kmalloc(PAGE_SIZE, GFP_KERNEL); + if (!filp->private_data) + return -ENOMEM; + if (kcore_need_update) kcore_update_ram(); if (i_size_read(inode) != proc_root_kcore->size) { @@ -559,10 +562,16 @@ static int open_kcore(struct inode *inode, struct file *filp) return 0; } +static int release_kcore(struct inode *inode, struct file *file) +{ + kfree(file->private_data); + return 0; +} static const struct file_operations proc_kcore_operations = { .read = read_kcore, .open = open_kcore, + .release = release_kcore, .llseek = default_llseek, }; diff --git a/fs/ramfs/file-mmu.c b/fs/ramfs/file-mmu.c index 183a212694bf..12af0490322f 100644 --- a/fs/ramfs/file-mmu.c +++ b/fs/ramfs/file-mmu.c @@ -27,9 +27,17 @@ #include <linux/fs.h> #include <linux/mm.h> #include <linux/ramfs.h> +#include <linux/sched.h> #include "internal.h" +static unsigned long ramfs_mmu_get_unmapped_area(struct file *file, + unsigned long addr, unsigned long len, unsigned long pgoff, + unsigned long flags) +{ + return current->mm->get_unmapped_area(file, addr, len, pgoff, flags); +} + const struct file_operations ramfs_file_operations = { .read_iter = generic_file_read_iter, .write_iter = generic_file_write_iter, @@ -38,6 +46,7 @@ const struct file_operations ramfs_file_operations = { .splice_read = generic_file_splice_read, .splice_write = iter_file_splice_write, .llseek = generic_file_llseek, + .get_unmapped_area = ramfs_mmu_get_unmapped_area, }; const struct inode_operations ramfs_file_inode_operations = { diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c index 968411930bd5..f9a0a2ba3783 100644 --- a/fs/reiserfs/namei.c +++ b/fs/reiserfs/namei.c @@ -1306,7 +1306,8 @@ static void set_ino_in_dir_entry(struct reiserfs_dir_entry *de, * get_empty_nodes or its clones */ static int reiserfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { int retval; INITIALIZE_PATH(old_entry_path); @@ -1321,6 +1322,9 @@ static int reiserfs_rename(struct inode *old_dir, struct dentry *old_dentry, unsigned long savelink = 1; struct timespec ctime; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + /* * three balancings: (1) old name removal, (2) new name insertion * and (3) maybe "save" link insertion diff --git a/fs/sysv/namei.c b/fs/sysv/namei.c index ce66618721b2..d8817f139763 100644 --- a/fs/sysv/namei.c +++ b/fs/sysv/namei.c @@ -206,7 +206,8 @@ static int sysv_rmdir(struct inode * dir, struct dentry * dentry) * higher-level routines. */ static int sysv_rename(struct inode * old_dir, struct dentry * old_dentry, - struct inode * new_dir, struct dentry * new_dentry) + struct inode * new_dir, struct dentry * new_dentry, + unsigned int flags) { struct inode * old_inode = d_inode(old_dentry); struct inode * new_inode = d_inode(new_dentry); @@ -216,6 +217,9 @@ static int sysv_rename(struct inode * old_dir, struct dentry * old_dentry, struct sysv_dir_entry * old_de; int err = -ENOENT; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + old_de = sysv_find_entry(old_dentry, &old_page); if (!old_de) goto out; diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c index 4b86d3a738e1..e10e9a00cfc3 100644 --- a/fs/ubifs/dir.c +++ b/fs/ubifs/dir.c @@ -966,7 +966,8 @@ static void unlock_3_inodes(struct inode *inode1, struct inode *inode2, } static int ubifs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct ubifs_info *c = old_dir->i_sb->s_fs_info; struct inode *old_inode = d_inode(old_dentry); @@ -984,6 +985,9 @@ static int ubifs_rename(struct inode *old_dir, struct dentry *old_dentry, struct timespec time; unsigned int uninitialized_var(saved_nlink); + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + /* * Budget request settings: deletion direntry, new direntry, removing * the old inode, and changing old and new parent directory inodes. @@ -1179,7 +1183,7 @@ const struct inode_operations ubifs_dir_inode_operations = { .mkdir = ubifs_mkdir, .rmdir = ubifs_rmdir, .mknod = ubifs_mknod, - .rename = ubifs_rename, + .rename = ubifs_rename, .setattr = ubifs_setattr, .getattr = ubifs_getattr, .setxattr = generic_setxattr, diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 61af3f1e1973..2d65e280748b 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -1093,7 +1093,8 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir, * higher-level routines. */ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct inode *old_inode = d_inode(old_dentry); struct inode *new_inode = d_inode(new_dentry); @@ -1105,6 +1106,9 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry, struct kernel_lb_addr tloc; struct udf_inode_info *old_iinfo = UDF_I(old_inode); + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + ofi = udf_find_entry(old_dir, &old_dentry->d_name, &ofibh, &ocfi); if (IS_ERR(ofi)) { retval = PTR_ERR(ofi); diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c index e3b263998130..8eca4eda8450 100644 --- a/fs/ufs/namei.c +++ b/fs/ufs/namei.c @@ -245,7 +245,8 @@ static int ufs_rmdir (struct inode * dir, struct dentry *dentry) } static int ufs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct inode *old_inode = d_inode(old_dentry); struct inode *new_inode = d_inode(new_dentry); @@ -255,6 +256,9 @@ static int ufs_rename(struct inode *old_dir, struct dentry *old_dentry, struct ufs_dir_entry *old_de; int err = -ENOENT; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + old_de = ufs_find_entry(old_dir, &old_dentry->d_name, &old_page); if (!old_de) goto out; diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 08c33f7fbe49..d8ac28656ac2 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -1059,7 +1059,7 @@ static const struct inode_operations xfs_dir_inode_operations = { */ .rmdir = xfs_vn_unlink, .mknod = xfs_vn_mknod, - .rename2 = xfs_vn_rename, + .rename = xfs_vn_rename, .get_acl = xfs_get_acl, .set_acl = xfs_set_acl, .getattr = xfs_vn_getattr, @@ -1087,7 +1087,7 @@ static const struct inode_operations xfs_dir_ci_inode_operations = { */ .rmdir = xfs_vn_unlink, .mknod = xfs_vn_mknod, - .rename2 = xfs_vn_rename, + .rename = xfs_vn_rename, .get_acl = xfs_get_acl, .set_acl = xfs_set_acl, .getattr = xfs_vn_getattr, diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h index 5dea1fb6979c..6df9b0749671 100644 --- a/include/asm-generic/uaccess.h +++ b/include/asm-generic/uaccess.h @@ -231,14 +231,18 @@ extern int __put_user_bad(void) __attribute__((noreturn)); might_fault(); \ access_ok(VERIFY_READ, __p, sizeof(*ptr)) ? \ __get_user((x), (__typeof__(*(ptr)) *)__p) : \ - -EFAULT; \ + ((x) = (__typeof__(*(ptr)))0,-EFAULT); \ }) #ifndef __get_user_fn static inline int __get_user_fn(size_t size, const void __user *ptr, void *x) { - size = __copy_from_user(x, ptr, size); - return size ? -EFAULT : size; + size_t n = __copy_from_user(x, ptr, size); + if (unlikely(n)) { + memset(x + (size - n), 0, n); + return -EFAULT; + } + return 0; } #define __get_user_fn(sz, u, k) __get_user_fn(sz, u, k) @@ -258,11 +262,13 @@ extern int __get_user_bad(void) __attribute__((noreturn)); static inline long copy_from_user(void *to, const void __user * from, unsigned long n) { + unsigned long res = n; might_fault(); - if (access_ok(VERIFY_READ, from, n)) - return __copy_from_user(to, from, n); - else - return n; + if (likely(access_ok(VERIFY_READ, from, n))) + res = __copy_from_user(to, from, n); + if (unlikely(res)) + memset(to + (n - res), 0, res); + return res; } static inline long copy_to_user(void __user *to, diff --git a/include/linux/cec-funcs.h b/include/linux/cec-funcs.h index 82c3d3b7269d..138bbf721e70 100644 --- a/include/linux/cec-funcs.h +++ b/include/linux/cec-funcs.h @@ -162,10 +162,11 @@ static inline void cec_msg_standby(struct cec_msg *msg) /* One Touch Record Feature */ -static inline void cec_msg_record_off(struct cec_msg *msg) +static inline void cec_msg_record_off(struct cec_msg *msg, bool reply) { msg->len = 2; msg->msg[1] = CEC_MSG_RECORD_OFF; + msg->reply = reply ? CEC_MSG_RECORD_STATUS : 0; } struct cec_op_arib_data { @@ -227,7 +228,7 @@ static inline void cec_set_digital_service_id(__u8 *msg, if (digital->service_id_method == CEC_OP_SERVICE_ID_METHOD_BY_CHANNEL) { *msg++ = (digital->channel.channel_number_fmt << 2) | (digital->channel.major >> 8); - *msg++ = digital->channel.major && 0xff; + *msg++ = digital->channel.major & 0xff; *msg++ = digital->channel.minor >> 8; *msg++ = digital->channel.minor & 0xff; *msg++ = 0; @@ -323,6 +324,7 @@ static inline void cec_msg_record_on_phys_addr(struct cec_msg *msg, } static inline void cec_msg_record_on(struct cec_msg *msg, + bool reply, const struct cec_op_record_src *rec_src) { switch (rec_src->type) { @@ -346,6 +348,7 @@ static inline void cec_msg_record_on(struct cec_msg *msg, rec_src->ext_phys_addr.phys_addr); break; } + msg->reply = reply ? CEC_MSG_RECORD_STATUS : 0; } static inline void cec_ops_record_on(const struct cec_msg *msg, @@ -1141,6 +1144,75 @@ static inline void cec_msg_give_device_vendor_id(struct cec_msg *msg, msg->reply = reply ? CEC_MSG_DEVICE_VENDOR_ID : 0; } +static inline void cec_msg_vendor_command(struct cec_msg *msg, + __u8 size, const __u8 *vendor_cmd) +{ + if (size > 14) + size = 14; + msg->len = 2 + size; + msg->msg[1] = CEC_MSG_VENDOR_COMMAND; + memcpy(msg->msg + 2, vendor_cmd, size); +} + +static inline void cec_ops_vendor_command(const struct cec_msg *msg, + __u8 *size, + const __u8 **vendor_cmd) +{ + *size = msg->len - 2; + + if (*size > 14) + *size = 14; + *vendor_cmd = msg->msg + 2; +} + +static inline void cec_msg_vendor_command_with_id(struct cec_msg *msg, + __u32 vendor_id, __u8 size, + const __u8 *vendor_cmd) +{ + if (size > 11) + size = 11; + msg->len = 5 + size; + msg->msg[1] = CEC_MSG_VENDOR_COMMAND_WITH_ID; + msg->msg[2] = vendor_id >> 16; + msg->msg[3] = (vendor_id >> 8) & 0xff; + msg->msg[4] = vendor_id & 0xff; + memcpy(msg->msg + 5, vendor_cmd, size); +} + +static inline void cec_ops_vendor_command_with_id(const struct cec_msg *msg, + __u32 *vendor_id, __u8 *size, + const __u8 **vendor_cmd) +{ + *size = msg->len - 5; + + if (*size > 11) + *size = 11; + *vendor_id = (msg->msg[2] << 16) | (msg->msg[3] << 8) | msg->msg[4]; + *vendor_cmd = msg->msg + 5; +} + +static inline void cec_msg_vendor_remote_button_down(struct cec_msg *msg, + __u8 size, + const __u8 *rc_code) +{ + if (size > 14) + size = 14; + msg->len = 2 + size; + msg->msg[1] = CEC_MSG_VENDOR_REMOTE_BUTTON_DOWN; + memcpy(msg->msg + 2, rc_code, size); +} + +static inline void cec_ops_vendor_remote_button_down(const struct cec_msg *msg, + __u8 *size, + const __u8 **rc_code) +{ + *size = msg->len - 2; + + if (*size > 14) + *size = 14; + *rc_code = msg->msg + 2; +} + static inline void cec_msg_vendor_remote_button_up(struct cec_msg *msg) { msg->len = 2; @@ -1277,7 +1349,7 @@ static inline void cec_msg_user_control_pressed(struct cec_msg *msg, msg->len += 4; msg->msg[3] = (ui_cmd->channel_identifier.channel_number_fmt << 2) | (ui_cmd->channel_identifier.major >> 8); - msg->msg[4] = ui_cmd->channel_identifier.major && 0xff; + msg->msg[4] = ui_cmd->channel_identifier.major & 0xff; msg->msg[5] = ui_cmd->channel_identifier.minor >> 8; msg->msg[6] = ui_cmd->channel_identifier.minor & 0xff; break; diff --git a/include/linux/cec.h b/include/linux/cec.h index b3e22893a002..851968e803fa 100644 --- a/include/linux/cec.h +++ b/include/linux/cec.h @@ -364,7 +364,7 @@ struct cec_caps { * @num_log_addrs: how many logical addresses should be claimed. Set by the * caller. * @vendor_id: the vendor ID of the device. Set by the caller. - * @flags: set to 0. + * @flags: flags. * @osd_name: the OSD name of the device. Set by the caller. * @primary_device_type: the primary device type for each logical address. * Set by the caller. @@ -389,6 +389,9 @@ struct cec_log_addrs { __u8 features[CEC_MAX_LOG_ADDRS][12]; }; +/* Allow a fallback to unregistered */ +#define CEC_LOG_ADDRS_FL_ALLOW_UNREG_FALLBACK (1 << 0) + /* Events */ /* Event that occurs when the adapter state changes */ diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 436aa4e42221..668569844d37 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -527,13 +527,14 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s * object's lifetime is managed by something other than RCU. That * "something other" might be reference counting or simple immortality. * - * The seemingly unused size_t variable is to validate @p is indeed a pointer - * type by making sure it can be dereferenced. + * The seemingly unused variable ___typecheck_p validates that @p is + * indeed a pointer type by using a pointer to typeof(*p) as the type. + * Taking a pointer to typeof(*p) again is needed in case p is void *. */ #define lockless_dereference(p) \ ({ \ typeof(p) _________p1 = READ_ONCE(p); \ - size_t __maybe_unused __size_of_ptr = sizeof(*(p)); \ + typeof(*(p)) *___typecheck_p __maybe_unused; \ smp_read_barrier_depends(); /* Dependency order vs. p above. */ \ (_________p1); \ }) diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index 242bf530edfc..34bd80512a0c 100644 --- a/include/linux/cpuhotplug.h +++ b/include/linux/cpuhotplug.h @@ -1,6 +1,8 @@ #ifndef __CPUHOTPLUG_H #define __CPUHOTPLUG_H +#include <linux/types.h> + enum cpuhp_state { CPUHP_OFFLINE, CPUHP_CREATE_THREADS, diff --git a/include/linux/efi.h b/include/linux/efi.h index 7f5a58225385..0148a3046b48 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -118,6 +118,15 @@ typedef struct { u32 imagesize; } efi_capsule_header_t; +struct efi_boot_memmap { + efi_memory_desc_t **map; + unsigned long *map_size; + unsigned long *desc_size; + u32 *desc_ver; + unsigned long *key_ptr; + unsigned long *buff_size; +}; + /* * EFI capsule flags */ @@ -946,7 +955,7 @@ extern int efi_memattr_apply_permissions(struct mm_struct *mm, /* Iterate through an efi_memory_map */ #define for_each_efi_memory_desc_in_map(m, md) \ for ((md) = (m)->map; \ - ((void *)(md) + (m)->desc_size) <= (m)->map_end; \ + (md) && ((void *)(md) + (m)->desc_size) <= (m)->map_end; \ (md) = (void *)(md) + (m)->desc_size) /** @@ -1371,11 +1380,7 @@ char *efi_convert_cmdline(efi_system_table_t *sys_table_arg, efi_loaded_image_t *image, int *cmd_line_len); efi_status_t efi_get_memory_map(efi_system_table_t *sys_table_arg, - efi_memory_desc_t **map, - unsigned long *map_size, - unsigned long *desc_size, - u32 *desc_ver, - unsigned long *key_ptr); + struct efi_boot_memmap *map); efi_status_t efi_low_alloc(efi_system_table_t *sys_table_arg, unsigned long size, unsigned long align, @@ -1457,4 +1462,14 @@ extern void efi_call_virt_check_flags(unsigned long flags, const char *call); arch_efi_call_virt_teardown(); \ }) +typedef efi_status_t (*efi_exit_boot_map_processing)( + efi_system_table_t *sys_table_arg, + struct efi_boot_memmap *map, + void *priv); + +efi_status_t efi_exit_boot_services(efi_system_table_t *sys_table, + void *handle, + struct efi_boot_memmap *map, + void *priv, + efi_exit_boot_map_processing priv_func); #endif /* _LINUX_EFI_H */ diff --git a/include/linux/fs.h b/include/linux/fs.h index 32ce6b31a61b..17d5a3507d0e 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1734,8 +1734,6 @@ struct inode_operations { int (*rmdir) (struct inode *,struct dentry *); int (*mknod) (struct inode *,struct dentry *,umode_t,dev_t); int (*rename) (struct inode *, struct dentry *, - struct inode *, struct dentry *); - int (*rename2) (struct inode *, struct dentry *, struct inode *, struct dentry *, unsigned int); int (*setattr) (struct dentry *, struct iattr *); int (*getattr) (struct vfsmount *mnt, struct dentry *, struct kstat *); @@ -2951,7 +2949,8 @@ extern int simple_open(struct inode *inode, struct file *file); extern int simple_link(struct dentry *, struct inode *, struct dentry *); extern int simple_unlink(struct inode *, struct dentry *); extern int simple_rmdir(struct inode *, struct dentry *); -extern int simple_rename(struct inode *, struct dentry *, struct inode *, struct dentry *); +extern int simple_rename(struct inode *, struct dentry *, + struct inode *, struct dentry *, unsigned int); extern int noop_fsync(struct file *, loff_t, loff_t, int); extern int simple_empty(struct dentry *); extern int simple_readpage(struct file *file, struct page *page); diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h index 58205f33af02..7268ed076be8 100644 --- a/include/linux/fsnotify_backend.h +++ b/include/linux/fsnotify_backend.h @@ -148,6 +148,7 @@ struct fsnotify_group { #define FS_PRIO_1 1 /* fanotify content based access control */ #define FS_PRIO_2 2 /* fanotify pre-content access */ unsigned int priority; + bool shutdown; /* group is being shut down, don't queue more events */ /* stores all fastpath marks assoc with this group so they can be cleaned on unregister */ struct mutex mark_mutex; /* protect marks_list */ @@ -179,7 +180,6 @@ struct fsnotify_group { spinlock_t access_lock; struct list_head access_list; wait_queue_head_t access_waitq; - atomic_t bypass_perm; #endif /* CONFIG_FANOTIFY_ACCESS_PERMISSIONS */ int f_flags; unsigned int max_marks; @@ -292,6 +292,8 @@ extern struct fsnotify_group *fsnotify_alloc_group(const struct fsnotify_ops *op extern void fsnotify_get_group(struct fsnotify_group *group); /* drop reference on a group from fsnotify_alloc_group */ extern void fsnotify_put_group(struct fsnotify_group *group); +/* group destruction begins, stop queuing new events */ +extern void fsnotify_group_stop_queueing(struct fsnotify_group *group); /* destroy group */ extern void fsnotify_destroy_group(struct fsnotify_group *group); /* fasync handler function */ @@ -304,8 +306,6 @@ extern int fsnotify_add_event(struct fsnotify_group *group, struct fsnotify_event *event, int (*merge)(struct list_head *, struct fsnotify_event *)); -/* Remove passed event from groups notification queue */ -extern void fsnotify_remove_event(struct fsnotify_group *group, struct fsnotify_event *event); /* true if the group notification queue is empty */ extern bool fsnotify_notify_queue_is_empty(struct fsnotify_group *group); /* return, but do not dequeue the first event on the notification queue */ diff --git a/include/linux/irq.h b/include/linux/irq.h index b52424eaa0ed..0ac26c892fe2 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -945,6 +945,16 @@ static inline void irq_gc_lock(struct irq_chip_generic *gc) { } static inline void irq_gc_unlock(struct irq_chip_generic *gc) { } #endif +/* + * The irqsave variants are for usage in non interrupt code. Do not use + * them in irq_chip callbacks. Use irq_gc_lock() instead. + */ +#define irq_gc_lock_irqsave(gc, flags) \ + raw_spin_lock_irqsave(&(gc)->lock, flags) + +#define irq_gc_unlock_irqrestore(gc, flags) \ + raw_spin_unlock_irqrestore(&(gc)->lock, flags) + static inline void irq_reg_writel(struct irq_chip_generic *gc, u32 val, int reg_offset) { diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 21bc4557b67a..d1f9a581aca8 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -6710,9 +6710,10 @@ struct mlx5_ifc_pude_reg_bits { }; struct mlx5_ifc_ptys_reg_bits { - u8 an_disable_cap[0x1]; + u8 reserved_at_0[0x1]; u8 an_disable_admin[0x1]; - u8 reserved_at_2[0x6]; + u8 an_disable_cap[0x1]; + u8 reserved_at_3[0x5]; u8 local_port[0x8]; u8 reserved_at_10[0xd]; u8 proto_mask[0x3]; diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 3a788bf0affd..e8d79d4ebcfe 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -3267,6 +3267,7 @@ static inline void napi_free_frags(struct napi_struct *napi) napi->skb = NULL; } +bool netdev_is_rx_handler_busy(struct net_device *dev); int netdev_rx_handler_register(struct net_device *dev, rx_handler_func_t *rx_handler, void *rx_handler_data); diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 66a1260b33de..01e84436cddf 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -571,56 +571,57 @@ static inline int fault_in_pages_readable(const char __user *uaddr, int size) */ static inline int fault_in_multipages_writeable(char __user *uaddr, int size) { - int ret = 0; char __user *end = uaddr + size - 1; if (unlikely(size == 0)) - return ret; + return 0; + if (unlikely(uaddr > end)) + return -EFAULT; /* * Writing zeroes into userspace here is OK, because we know that if * the zero gets there, we'll be overwriting it. */ - while (uaddr <= end) { - ret = __put_user(0, uaddr); - if (ret != 0) - return ret; + do { + if (unlikely(__put_user(0, uaddr) != 0)) + return -EFAULT; uaddr += PAGE_SIZE; - } + } while (uaddr <= end); /* Check whether the range spilled into the next page. */ if (((unsigned long)uaddr & PAGE_MASK) == ((unsigned long)end & PAGE_MASK)) - ret = __put_user(0, end); + return __put_user(0, end); - return ret; + return 0; } static inline int fault_in_multipages_readable(const char __user *uaddr, int size) { volatile char c; - int ret = 0; const char __user *end = uaddr + size - 1; if (unlikely(size == 0)) - return ret; + return 0; - while (uaddr <= end) { - ret = __get_user(c, uaddr); - if (ret != 0) - return ret; + if (unlikely(uaddr > end)) + return -EFAULT; + + do { + if (unlikely(__get_user(c, uaddr) != 0)) + return -EFAULT; uaddr += PAGE_SIZE; - } + } while (uaddr <= end); /* Check whether the range spilled into the next page. */ if (((unsigned long)uaddr & PAGE_MASK) == ((unsigned long)end & PAGE_MASK)) { - ret = __get_user(c, end); - (void)c; + return __get_user(c, end); } - return ret; + (void)c; + return 0; } int add_to_page_cache_locked(struct page *page, struct address_space *mapping, diff --git a/include/linux/uio.h b/include/linux/uio.h index 1b5d1cd796e2..75b4aaf31a9d 100644 --- a/include/linux/uio.h +++ b/include/linux/uio.h @@ -76,7 +76,7 @@ size_t iov_iter_copy_from_user_atomic(struct page *page, struct iov_iter *i, unsigned long offset, size_t bytes); void iov_iter_advance(struct iov_iter *i, size_t bytes); int iov_iter_fault_in_readable(struct iov_iter *i, size_t bytes); -int iov_iter_fault_in_multipages_readable(struct iov_iter *i, size_t bytes); +#define iov_iter_fault_in_multipages_readable iov_iter_fault_in_readable size_t iov_iter_single_seg_count(const struct iov_iter *i); size_t copy_page_to_iter(struct page *page, size_t offset, size_t bytes, struct iov_iter *i); diff --git a/include/media/cec.h b/include/media/cec.h index dc7854b855f3..fdb5d600e4bb 100644 --- a/include/media/cec.h +++ b/include/media/cec.h @@ -57,8 +57,8 @@ struct cec_devnode { int minor; bool registered; bool unregistered; - struct mutex fhs_lock; struct list_head fhs; + struct mutex lock; }; struct cec_adapter; diff --git a/include/net/af_unix.h b/include/net/af_unix.h index 9b4c418bebd8..fd60eccb59a6 100644 --- a/include/net/af_unix.h +++ b/include/net/af_unix.h @@ -52,7 +52,7 @@ struct unix_sock { struct sock sk; struct unix_address *addr; struct path path; - struct mutex readlock; + struct mutex iolock, bindlock; struct sock *peer; struct list_head link; atomic_long_t inflight; diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 9c23f4d33e06..beb7610d64e9 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -1102,6 +1102,7 @@ struct station_info { struct cfg80211_tid_stats pertid[IEEE80211_NUM_TIDS + 1]; }; +#if IS_ENABLED(CONFIG_CFG80211) /** * cfg80211_get_station - retrieve information about a given station * @dev: the device where the station is supposed to be connected to @@ -1114,6 +1115,14 @@ struct station_info { */ int cfg80211_get_station(struct net_device *dev, const u8 *mac_addr, struct station_info *sinfo); +#else +static inline int cfg80211_get_station(struct net_device *dev, + const u8 *mac_addr, + struct station_info *sinfo) +{ + return -ENOENT; +} +#endif /** * enum monitor_flags - monitor flags diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h index 4079fc18ffe4..7d4a72e75f33 100644 --- a/include/net/ip_fib.h +++ b/include/net/ip_fib.h @@ -111,6 +111,7 @@ struct fib_info { unsigned char fib_scope; unsigned char fib_type; __be32 fib_prefsrc; + u32 fib_tb_id; u32 fib_priority; u32 *fib_metrics; #define fib_mtu fib_metrics[RTAX_MTU-1] @@ -319,7 +320,7 @@ void fib_flush_external(struct net *net); /* Exported by fib_semantics.c */ int ip_fib_check_default(__be32 gw, struct net_device *dev); int fib_sync_down_dev(struct net_device *dev, unsigned long event, bool force); -int fib_sync_down_addr(struct net *net, __be32 local); +int fib_sync_down_addr(struct net_device *dev, __be32 local); int fib_sync_up(struct net_device *dev, unsigned int nh_flags); extern u32 fib_multipath_secret __read_mostly; diff --git a/include/net/netfilter/nf_conntrack_synproxy.h b/include/net/netfilter/nf_conntrack_synproxy.h index 6793614e6502..e6937318546c 100644 --- a/include/net/netfilter/nf_conntrack_synproxy.h +++ b/include/net/netfilter/nf_conntrack_synproxy.h @@ -27,6 +27,20 @@ static inline struct nf_conn_synproxy *nfct_synproxy_ext_add(struct nf_conn *ct) #endif } +static inline bool nf_ct_add_synproxy(struct nf_conn *ct, + const struct nf_conn *tmpl) +{ + if (tmpl && nfct_synproxy(tmpl)) { + if (!nfct_seqadj_ext_add(ct)) + return false; + + if (!nfct_synproxy_ext_add(ct)) + return false; + } + + return true; +} + struct synproxy_stats { unsigned int syn_received; unsigned int cookie_invalid; diff --git a/include/net/netfilter/nft_meta.h b/include/net/netfilter/nft_meta.h index d27588c8dbd9..1139cde0fdc5 100644 --- a/include/net/netfilter/nft_meta.h +++ b/include/net/netfilter/nft_meta.h @@ -36,4 +36,8 @@ void nft_meta_set_eval(const struct nft_expr *expr, void nft_meta_set_destroy(const struct nft_ctx *ctx, const struct nft_expr *expr); +int nft_meta_set_validate(const struct nft_ctx *ctx, + const struct nft_expr *expr, + const struct nft_data **data); + #endif diff --git a/include/net/netfilter/nft_reject.h b/include/net/netfilter/nft_reject.h index 60fa1530006b..02e28c529b29 100644 --- a/include/net/netfilter/nft_reject.h +++ b/include/net/netfilter/nft_reject.h @@ -8,6 +8,10 @@ struct nft_reject { extern const struct nla_policy nft_reject_policy[]; +int nft_reject_validate(const struct nft_ctx *ctx, + const struct nft_expr *expr, + const struct nft_data **data); + int nft_reject_init(const struct nft_ctx *ctx, const struct nft_expr *expr, const struct nlattr * const tb[]); diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h index efc01743b9d6..bafe2a0ab908 100644 --- a/include/net/sctp/sm.h +++ b/include/net/sctp/sm.h @@ -382,7 +382,7 @@ enum { ADDIP_SERIAL_SIGN_BIT = (1<<31) }; -static inline int ADDIP_SERIAL_gte(__u16 s, __u16 t) +static inline int ADDIP_SERIAL_gte(__u32 s, __u32 t) { return ((s) == (t)) || (((t) - (s)) & ADDIP_SERIAL_SIGN_BIT); } diff --git a/include/net/sock.h b/include/net/sock.h index ff5be7e8ddea..8741988e6880 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -1332,6 +1332,16 @@ static inline void sk_mem_uncharge(struct sock *sk, int size) if (!sk_has_account(sk)) return; sk->sk_forward_alloc += size; + + /* Avoid a possible overflow. + * TCP send queues can make this happen, if sk_mem_reclaim() + * is not called and more than 2 GBytes are released at once. + * + * If we reach 2 MBytes, reclaim 1 MBytes right now, there is + * no need to hold that much forward allocation anyway. + */ + if (unlikely(sk->sk_forward_alloc >= 1 << 21)) + __sk_mem_reclaim(sk, 1 << 20); } static inline void sk_wmem_free_skb(struct sock *sk, struct sk_buff *skb) diff --git a/include/net/xfrm.h b/include/net/xfrm.h index adfebd6f243c..17934312eecb 100644 --- a/include/net/xfrm.h +++ b/include/net/xfrm.h @@ -1540,8 +1540,10 @@ int xfrm4_tunnel_deregister(struct xfrm_tunnel *handler, unsigned short family); void xfrm4_local_error(struct sk_buff *skb, u32 mtu); int xfrm6_extract_header(struct sk_buff *skb); int xfrm6_extract_input(struct xfrm_state *x, struct sk_buff *skb); -int xfrm6_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi); +int xfrm6_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi, + struct ip6_tnl *t); int xfrm6_transport_finish(struct sk_buff *skb, int async); +int xfrm6_rcv_tnl(struct sk_buff *skb, struct ip6_tnl *t); int xfrm6_rcv(struct sk_buff *skb); int xfrm6_input_addr(struct sk_buff *skb, xfrm_address_t *daddr, xfrm_address_t *saddr, u8 proto); diff --git a/kernel/cgroup.c b/kernel/cgroup.c index d1c51b7f5221..5e8dab5bf9ad 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -6270,6 +6270,12 @@ void cgroup_sk_alloc(struct sock_cgroup_data *skcd) if (cgroup_sk_alloc_disabled) return; + /* Socket clone path */ + if (skcd->val) { + cgroup_get(sock_cgroup_ptr(skcd)); + return; + } + rcu_read_lock(); while (true) { diff --git a/kernel/events/core.c b/kernel/events/core.c index 3cfabdf7b942..fc9bb2225291 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -2496,11 +2496,11 @@ static int __perf_event_stop(void *info) return 0; } -static int perf_event_restart(struct perf_event *event) +static int perf_event_stop(struct perf_event *event, int restart) { struct stop_event_data sd = { .event = event, - .restart = 1, + .restart = restart, }; int ret = 0; @@ -3549,10 +3549,18 @@ static int perf_event_read(struct perf_event *event, bool group) .group = group, .ret = 0, }; - ret = smp_call_function_single(event->oncpu, __perf_event_read, &data, 1); - /* The event must have been read from an online CPU: */ - WARN_ON_ONCE(ret); - ret = ret ? : data.ret; + /* + * Purposely ignore the smp_call_function_single() return + * value. + * + * If event->oncpu isn't a valid CPU it means the event got + * scheduled out and that will have updated the event count. + * + * Therefore, either way, we'll have an up-to-date event count + * after this. + */ + (void)smp_call_function_single(event->oncpu, __perf_event_read, &data, 1); + ret = data.ret; } else if (event->state == PERF_EVENT_STATE_INACTIVE) { struct perf_event_context *ctx = event->ctx; unsigned long flags; @@ -3921,7 +3929,7 @@ static void exclusive_event_destroy(struct perf_event *event) static bool exclusive_event_match(struct perf_event *e1, struct perf_event *e2) { - if ((e1->pmu->capabilities & PERF_PMU_CAP_EXCLUSIVE) && + if ((e1->pmu == e2->pmu) && (e1->cpu == e2->cpu || e1->cpu == -1 || e2->cpu == -1)) @@ -4837,6 +4845,19 @@ static void ring_buffer_attach(struct perf_event *event, spin_unlock_irqrestore(&rb->event_lock, flags); } + /* + * Avoid racing with perf_mmap_close(AUX): stop the event + * before swizzling the event::rb pointer; if it's getting + * unmapped, its aux_mmap_count will be 0 and it won't + * restart. See the comment in __perf_pmu_output_stop(). + * + * Data will inevitably be lost when set_output is done in + * mid-air, but then again, whoever does it like this is + * not in for the data anyway. + */ + if (has_aux(event)) + perf_event_stop(event, 0); + rcu_assign_pointer(event->rb, rb); if (old_rb) { @@ -6112,7 +6133,7 @@ static void perf_event_addr_filters_exec(struct perf_event *event, void *data) raw_spin_unlock_irqrestore(&ifh->lock, flags); if (restart) - perf_event_restart(event); + perf_event_stop(event, 1); } void perf_event_exec(void) @@ -6156,7 +6177,13 @@ static void __perf_event_output_stop(struct perf_event *event, void *data) /* * In case of inheritance, it will be the parent that links to the - * ring-buffer, but it will be the child that's actually using it: + * ring-buffer, but it will be the child that's actually using it. + * + * We are using event::rb to determine if the event should be stopped, + * however this may race with ring_buffer_attach() (through set_output), + * which will make us skip the event that actually needs to be stopped. + * So ring_buffer_attach() has to stop an aux event before re-assigning + * its rb pointer. */ if (rcu_dereference(parent->rb) == rb) ro->err = __perf_event_stop(&sd); @@ -6670,7 +6697,7 @@ static void __perf_addr_filters_adjust(struct perf_event *event, void *data) raw_spin_unlock_irqrestore(&ifh->lock, flags); if (restart) - perf_event_restart(event); + perf_event_stop(event, 1); } /* @@ -7859,7 +7886,7 @@ static void perf_event_addr_filters_apply(struct perf_event *event) mmput(mm); restart: - perf_event_restart(event); + perf_event_stop(event, 1); } /* diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c index ae9b90dc9a5a..257fa460b846 100644 --- a/kernel/events/ring_buffer.c +++ b/kernel/events/ring_buffer.c @@ -330,15 +330,22 @@ void *perf_aux_output_begin(struct perf_output_handle *handle, if (!rb) return NULL; - if (!rb_has_aux(rb) || !atomic_inc_not_zero(&rb->aux_refcount)) + if (!rb_has_aux(rb)) goto err; /* - * If rb::aux_mmap_count is zero (and rb_has_aux() above went through), - * the aux buffer is in perf_mmap_close(), about to get freed. + * If aux_mmap_count is zero, the aux buffer is in perf_mmap_close(), + * about to get freed, so we leave immediately. + * + * Checking rb::aux_mmap_count and rb::refcount has to be done in + * the same order, see perf_mmap_close. Otherwise we end up freeing + * aux pages in this path, which is a bug, because in_atomic(). */ if (!atomic_read(&rb->aux_mmap_count)) - goto err_put; + goto err; + + if (!atomic_inc_not_zero(&rb->aux_refcount)) + goto err; /* * Nesting is not supported for AUX area, make sure nested diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 637389088b3f..26ba5654d9d5 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -820,6 +820,8 @@ __irq_do_set_handler(struct irq_desc *desc, irq_flow_handler_t handle, desc->name = name; if (handle != handle_bad_irq && is_chained) { + unsigned int type = irqd_get_trigger_type(&desc->irq_data); + /* * We're about to start this interrupt immediately, * hence the need to set the trigger configuration. @@ -828,8 +830,10 @@ __irq_do_set_handler(struct irq_desc *desc, irq_flow_handler_t handle, * chained interrupt. Reset it immediately because we * do know better. */ - __irq_set_trigger(desc, irqd_get_trigger_type(&desc->irq_data)); - desc->handle_irq = handle; + if (type != IRQ_TYPE_NONE) { + __irq_set_trigger(desc, type); + desc->handle_irq = handle; + } irq_settings_set_noprobe(desc); irq_settings_set_norequest(desc); diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 2a906f20fba7..44817c640e99 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -2016,6 +2016,28 @@ try_to_wake_up(struct task_struct *p, unsigned int state, int wake_flags) success = 1; /* we're going to change ->state */ cpu = task_cpu(p); + /* + * Ensure we load p->on_rq _after_ p->state, otherwise it would + * be possible to, falsely, observe p->on_rq == 0 and get stuck + * in smp_cond_load_acquire() below. + * + * sched_ttwu_pending() try_to_wake_up() + * [S] p->on_rq = 1; [L] P->state + * UNLOCK rq->lock -----. + * \ + * +--- RMB + * schedule() / + * LOCK rq->lock -----' + * UNLOCK rq->lock + * + * [task p] + * [S] p->state = UNINTERRUPTIBLE [L] p->on_rq + * + * Pairs with the UNLOCK+LOCK on rq->lock from the + * last wakeup of our task and the schedule that got our task + * current. + */ + smp_rmb(); if (p->on_rq && ttwu_remote(p, wake_flags)) goto stat; diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index dade4c9559cc..7bc56762ca35 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -5124,19 +5124,20 @@ tracing_read_pipe(struct file *filp, char __user *ubuf, struct trace_iterator *iter = filp->private_data; ssize_t sret; - /* return any leftover data */ - sret = trace_seq_to_user(&iter->seq, ubuf, cnt); - if (sret != -EBUSY) - return sret; - - trace_seq_init(&iter->seq); - /* * Avoid more than one consumer on a single file descriptor * This is just a matter of traces coherency, the ring buffer itself * is protected. */ mutex_lock(&iter->mutex); + + /* return any leftover data */ + sret = trace_seq_to_user(&iter->seq, ubuf, cnt); + if (sret != -EBUSY) + goto out; + + trace_seq_init(&iter->seq); + if (iter->trace->read) { sret = iter->trace->read(iter, filp, ubuf, cnt, ppos); if (sret) @@ -6163,9 +6164,6 @@ tracing_buffers_splice_read(struct file *file, loff_t *ppos, return -EBUSY; #endif - if (splice_grow_spd(pipe, &spd)) - return -ENOMEM; - if (*ppos & (PAGE_SIZE - 1)) return -EINVAL; @@ -6175,6 +6173,9 @@ tracing_buffers_splice_read(struct file *file, loff_t *ppos, len &= PAGE_MASK; } + if (splice_grow_spd(pipe, &spd)) + return -ENOMEM; + again: trace_access_lock(iter->cpu_file); entries = ring_buffer_entries_cpu(iter->trace_buffer->buffer, iter->cpu_file); @@ -6232,19 +6233,21 @@ tracing_buffers_splice_read(struct file *file, loff_t *ppos, /* did we read anything? */ if (!spd.nr_pages) { if (ret) - return ret; + goto out; + ret = -EAGAIN; if ((file->f_flags & O_NONBLOCK) || (flags & SPLICE_F_NONBLOCK)) - return -EAGAIN; + goto out; ret = wait_on_pipe(iter, true); if (ret) - return ret; + goto out; goto again; } ret = splice_to_pipe(pipe, &spd); +out: splice_shrink_spd(&spd); return ret; diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 2e2cca509231..cab7405f48d2 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -821,7 +821,7 @@ config DETECT_HUNG_TASK help Say Y here to enable the kernel to detect "hung tasks", which are bugs that cause the task to be stuck in - uninterruptible "D" state indefinitiley. + uninterruptible "D" state indefinitely. When a hung task is detected, the kernel will print the current stack trace (which you should report), but the diff --git a/lib/iov_iter.c b/lib/iov_iter.c index 9e8c7386b3a0..7e3138cfc8c9 100644 --- a/lib/iov_iter.c +++ b/lib/iov_iter.c @@ -291,33 +291,13 @@ done: } /* - * Fault in the first iovec of the given iov_iter, to a maximum length - * of bytes. Returns 0 on success, or non-zero if the memory could not be - * accessed (ie. because it is an invalid address). - * - * writev-intensive code may want this to prefault several iovecs -- that - * would be possible (callers must not rely on the fact that _only_ the - * first iovec will be faulted with the current implementation). - */ -int iov_iter_fault_in_readable(struct iov_iter *i, size_t bytes) -{ - if (!(i->type & (ITER_BVEC|ITER_KVEC))) { - char __user *buf = i->iov->iov_base + i->iov_offset; - bytes = min(bytes, i->iov->iov_len - i->iov_offset); - return fault_in_pages_readable(buf, bytes); - } - return 0; -} -EXPORT_SYMBOL(iov_iter_fault_in_readable); - -/* * Fault in one or more iovecs of the given iov_iter, to a maximum length of * bytes. For each iovec, fault in each page that constitutes the iovec. * * Return 0 on success, or non-zero if the memory could not be accessed (i.e. * because it is an invalid address). */ -int iov_iter_fault_in_multipages_readable(struct iov_iter *i, size_t bytes) +int iov_iter_fault_in_readable(struct iov_iter *i, size_t bytes) { size_t skip = i->iov_offset; const struct iovec *iov; @@ -334,7 +314,7 @@ int iov_iter_fault_in_multipages_readable(struct iov_iter *i, size_t bytes) } return 0; } -EXPORT_SYMBOL(iov_iter_fault_in_multipages_readable); +EXPORT_SYMBOL(iov_iter_fault_in_readable); void iov_iter_init(struct iov_iter *i, int direction, const struct iovec *iov, unsigned long nr_segs, diff --git a/lib/radix-tree.c b/lib/radix-tree.c index 1b7bf7314141..91f0727e3cad 100644 --- a/lib/radix-tree.c +++ b/lib/radix-tree.c @@ -105,10 +105,10 @@ static unsigned int radix_tree_descend(struct radix_tree_node *parent, #ifdef CONFIG_RADIX_TREE_MULTIORDER if (radix_tree_is_internal_node(entry)) { - unsigned long siboff = get_slot_offset(parent, entry); - if (siboff < RADIX_TREE_MAP_SIZE) { - offset = siboff; - entry = rcu_dereference_raw(parent->slots[offset]); + if (is_sibling_entry(parent, entry)) { + void **sibentry = (void **) entry_to_node(entry); + offset = get_slot_offset(parent, sibentry); + entry = rcu_dereference_raw(*sibentry); } } #endif diff --git a/mm/debug.c b/mm/debug.c index 8865bfb41b0b..74c7cae4f683 100644 --- a/mm/debug.c +++ b/mm/debug.c @@ -42,9 +42,11 @@ const struct trace_print_flags vmaflag_names[] = { void __dump_page(struct page *page, const char *reason) { + int mapcount = PageSlab(page) ? 0 : page_mapcount(page); + pr_emerg("page:%p count:%d mapcount:%d mapping:%p index:%#lx", - page, page_ref_count(page), page_mapcount(page), - page->mapping, page->index); + page, page_ref_count(page), mapcount, + page->mapping, page_to_pgoff(page)); if (PageCompound(page)) pr_cont(" compound_mapcount: %d", compound_mapcount(page)); pr_cont("\n"); diff --git a/mm/huge_memory.c b/mm/huge_memory.c index a6abd76baa72..53ae6d00656a 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1138,9 +1138,6 @@ int do_huge_pmd_numa_page(struct fault_env *fe, pmd_t pmd) bool was_writable; int flags = 0; - /* A PROT_NONE fault should not end up here */ - BUG_ON(!(vma->vm_flags & (VM_READ | VM_EXEC | VM_WRITE))); - fe->ptl = pmd_lock(vma->vm_mm, fe->pmd); if (unlikely(!pmd_same(pmd, *fe->pmd))) goto out_unlock; diff --git a/mm/khugepaged.c b/mm/khugepaged.c index 79c52d0061af..728d7790dc2d 100644 --- a/mm/khugepaged.c +++ b/mm/khugepaged.c @@ -838,7 +838,8 @@ static bool hugepage_vma_check(struct vm_area_struct *vma) * value (scan code). */ -static int hugepage_vma_revalidate(struct mm_struct *mm, unsigned long address) +static int hugepage_vma_revalidate(struct mm_struct *mm, unsigned long address, + struct vm_area_struct **vmap) { struct vm_area_struct *vma; unsigned long hstart, hend; @@ -846,7 +847,7 @@ static int hugepage_vma_revalidate(struct mm_struct *mm, unsigned long address) if (unlikely(khugepaged_test_exit(mm))) return SCAN_ANY_PROCESS; - vma = find_vma(mm, address); + *vmap = vma = find_vma(mm, address); if (!vma) return SCAN_VMA_NULL; @@ -881,6 +882,11 @@ static bool __collapse_huge_page_swapin(struct mm_struct *mm, .pmd = pmd, }; + /* we only decide to swapin, if there is enough young ptes */ + if (referenced < HPAGE_PMD_NR/2) { + trace_mm_collapse_huge_page_swapin(mm, swapped_in, referenced, 0); + return false; + } fe.pte = pte_offset_map(pmd, address); for (; fe.address < address + HPAGE_PMD_NR*PAGE_SIZE; fe.pte++, fe.address += PAGE_SIZE) { @@ -888,17 +894,12 @@ static bool __collapse_huge_page_swapin(struct mm_struct *mm, if (!is_swap_pte(pteval)) continue; swapped_in++; - /* we only decide to swapin, if there is enough young ptes */ - if (referenced < HPAGE_PMD_NR/2) { - trace_mm_collapse_huge_page_swapin(mm, swapped_in, referenced, 0); - return false; - } ret = do_swap_page(&fe, pteval); /* do_swap_page returns VM_FAULT_RETRY with released mmap_sem */ if (ret & VM_FAULT_RETRY) { down_read(&mm->mmap_sem); - if (hugepage_vma_revalidate(mm, address)) { + if (hugepage_vma_revalidate(mm, address, &fe.vma)) { /* vma is no longer available, don't continue to swapin */ trace_mm_collapse_huge_page_swapin(mm, swapped_in, referenced, 0); return false; @@ -923,7 +924,6 @@ static bool __collapse_huge_page_swapin(struct mm_struct *mm, static void collapse_huge_page(struct mm_struct *mm, unsigned long address, struct page **hpage, - struct vm_area_struct *vma, int node, int referenced) { pmd_t *pmd, _pmd; @@ -933,6 +933,7 @@ static void collapse_huge_page(struct mm_struct *mm, spinlock_t *pmd_ptl, *pte_ptl; int isolated = 0, result = 0; struct mem_cgroup *memcg; + struct vm_area_struct *vma; unsigned long mmun_start; /* For mmu_notifiers */ unsigned long mmun_end; /* For mmu_notifiers */ gfp_t gfp; @@ -961,7 +962,7 @@ static void collapse_huge_page(struct mm_struct *mm, } down_read(&mm->mmap_sem); - result = hugepage_vma_revalidate(mm, address); + result = hugepage_vma_revalidate(mm, address, &vma); if (result) { mem_cgroup_cancel_charge(new_page, memcg, true); up_read(&mm->mmap_sem); @@ -994,7 +995,7 @@ static void collapse_huge_page(struct mm_struct *mm, * handled by the anon_vma lock + PG_lock. */ down_write(&mm->mmap_sem); - result = hugepage_vma_revalidate(mm, address); + result = hugepage_vma_revalidate(mm, address, &vma); if (result) goto out; /* check if the pmd is still valid */ @@ -1202,7 +1203,7 @@ out_unmap: if (ret) { node = khugepaged_find_target_node(); /* collapse_huge_page will return with the mmap_sem released */ - collapse_huge_page(mm, address, hpage, vma, node, referenced); + collapse_huge_page(mm, address, hpage, node, referenced); } out: trace_mm_khugepaged_scan_pmd(mm, page, writable, referenced, diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 9a6a51a7c416..4be518d4e68a 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1740,17 +1740,22 @@ static DEFINE_MUTEX(percpu_charge_mutex); static bool consume_stock(struct mem_cgroup *memcg, unsigned int nr_pages) { struct memcg_stock_pcp *stock; + unsigned long flags; bool ret = false; if (nr_pages > CHARGE_BATCH) return ret; - stock = &get_cpu_var(memcg_stock); + local_irq_save(flags); + + stock = this_cpu_ptr(&memcg_stock); if (memcg == stock->cached && stock->nr_pages >= nr_pages) { stock->nr_pages -= nr_pages; ret = true; } - put_cpu_var(memcg_stock); + + local_irq_restore(flags); + return ret; } @@ -1771,15 +1776,18 @@ static void drain_stock(struct memcg_stock_pcp *stock) stock->cached = NULL; } -/* - * This must be called under preempt disabled or must be called by - * a thread which is pinned to local cpu. - */ static void drain_local_stock(struct work_struct *dummy) { - struct memcg_stock_pcp *stock = this_cpu_ptr(&memcg_stock); + struct memcg_stock_pcp *stock; + unsigned long flags; + + local_irq_save(flags); + + stock = this_cpu_ptr(&memcg_stock); drain_stock(stock); clear_bit(FLUSHING_CACHED_CHARGE, &stock->flags); + + local_irq_restore(flags); } /* @@ -1788,14 +1796,19 @@ static void drain_local_stock(struct work_struct *dummy) */ static void refill_stock(struct mem_cgroup *memcg, unsigned int nr_pages) { - struct memcg_stock_pcp *stock = &get_cpu_var(memcg_stock); + struct memcg_stock_pcp *stock; + unsigned long flags; + + local_irq_save(flags); + stock = this_cpu_ptr(&memcg_stock); if (stock->cached != memcg) { /* reset if necessary */ drain_stock(stock); stock->cached = memcg; } stock->nr_pages += nr_pages; - put_cpu_var(memcg_stock); + + local_irq_restore(flags); } /* diff --git a/mm/memory.c b/mm/memory.c index 83be99d9d8a1..793fe0f9841c 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -3351,9 +3351,6 @@ static int do_numa_page(struct fault_env *fe, pte_t pte) bool was_writable = pte_write(pte); int flags = 0; - /* A PROT_NONE fault should not end up here */ - BUG_ON(!(vma->vm_flags & (VM_READ | VM_EXEC | VM_WRITE))); - /* * The "pte" at this point cannot be used safely without * validation through pte_unmap_same(). It's of NUMA type but @@ -3458,6 +3455,11 @@ static int wp_huge_pmd(struct fault_env *fe, pmd_t orig_pmd) return VM_FAULT_FALLBACK; } +static inline bool vma_is_accessible(struct vm_area_struct *vma) +{ + return vma->vm_flags & (VM_READ | VM_EXEC | VM_WRITE); +} + /* * These routines also need to handle stuff like marking pages dirty * and/or accessed for architectures that don't do it in hardware (most @@ -3524,7 +3526,7 @@ static int handle_pte_fault(struct fault_env *fe) if (!pte_present(entry)) return do_swap_page(fe, entry); - if (pte_protnone(entry)) + if (pte_protnone(entry) && vma_is_accessible(fe->vma)) return do_numa_page(fe, entry); fe->ptl = pte_lockptr(fe->vma->vm_mm, fe->pmd); @@ -3590,7 +3592,7 @@ static int __handle_mm_fault(struct vm_area_struct *vma, unsigned long address, barrier(); if (pmd_trans_huge(orig_pmd) || pmd_devmap(orig_pmd)) { - if (pmd_protnone(orig_pmd)) + if (pmd_protnone(orig_pmd) && vma_is_accessible(vma)) return do_huge_pmd_numa_page(&fe, orig_pmd); if ((fe.flags & FAULT_FLAG_WRITE) && diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 41266dc29f33..b58906b6215c 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1567,7 +1567,9 @@ static struct page *new_node_page(struct page *page, unsigned long private, return alloc_huge_page_node(page_hstate(compound_head(page)), next_node_in(nid, nmask)); - node_clear(nid, nmask); + if (nid != next_node_in(nid, nmask)) + node_clear(nid, nmask); + if (PageHighMem(page) || (zone_idx(page_zone(page)) == ZONE_MOVABLE)) gfp_mask |= __GFP_HIGHMEM; diff --git a/mm/page_io.c b/mm/page_io.c index 16bd82fad38c..eafe5ddc2b54 100644 --- a/mm/page_io.c +++ b/mm/page_io.c @@ -264,6 +264,7 @@ int __swap_writepage(struct page *page, struct writeback_control *wbc, int ret; struct swap_info_struct *sis = page_swap_info(page); + BUG_ON(!PageSwapCache(page)); if (sis->flags & SWP_FILE) { struct kiocb kiocb; struct file *swap_file = sis->swap_file; @@ -337,6 +338,7 @@ int swap_readpage(struct page *page) int ret = 0; struct swap_info_struct *sis = page_swap_info(page); + BUG_ON(!PageSwapCache(page)); VM_BUG_ON_PAGE(!PageLocked(page), page); VM_BUG_ON_PAGE(PageUptodate(page), page); if (frontswap_load(page) == 0) { @@ -386,6 +388,7 @@ int swap_set_page_dirty(struct page *page) if (sis->flags & SWP_FILE) { struct address_space *mapping = sis->swap_file->f_mapping; + BUG_ON(!PageSwapCache(page)); return mapping->a_ops->set_page_dirty(page); } else { return __set_page_dirty_no_writeback(page); diff --git a/mm/shmem.c b/mm/shmem.c index 28ae88bbeffa..e7e8f8c210c1 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -270,7 +270,7 @@ bool shmem_charge(struct inode *inode, long pages) info->alloced -= pages; shmem_recalc_inode(inode); spin_unlock_irqrestore(&info->lock, flags); - + shmem_unacct_blocks(info->flags, pages); return false; } percpu_counter_add(&sbinfo->used_blocks, pages); @@ -291,6 +291,7 @@ void shmem_uncharge(struct inode *inode, long pages) if (sbinfo->max_blocks) percpu_counter_sub(&sbinfo->used_blocks, pages); + shmem_unacct_blocks(info->flags, pages); } /* @@ -1980,7 +1981,7 @@ unsigned long shmem_get_unmapped_area(struct file *file, return addr; sb = shm_mnt->mnt_sb; } - if (SHMEM_SB(sb)->huge != SHMEM_HUGE_NEVER) + if (SHMEM_SB(sb)->huge == SHMEM_HUGE_NEVER) return addr; } @@ -3813,7 +3814,7 @@ static const struct inode_operations shmem_dir_inode_operations = { .mkdir = shmem_mkdir, .rmdir = shmem_rmdir, .mknod = shmem_mknod, - .rename2 = shmem_rename2, + .rename = shmem_rename2, .tmpfile = shmem_tmpfile, #endif #ifdef CONFIG_TMPFS_XATTR diff --git a/mm/swapfile.c b/mm/swapfile.c index 78cfa292a29a..2657accc6e2b 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -2724,7 +2724,6 @@ int swapcache_prepare(swp_entry_t entry) struct swap_info_struct *page_swap_info(struct page *page) { swp_entry_t swap = { .val = page_private(page) }; - BUG_ON(!PageSwapCache(page)); return swap_info[swp_type(swap)]; } diff --git a/mm/usercopy.c b/mm/usercopy.c index 089328f2b920..3c8da0af9695 100644 --- a/mm/usercopy.c +++ b/mm/usercopy.c @@ -207,8 +207,11 @@ static inline const char *check_heap_object(const void *ptr, unsigned long n, * Some architectures (arm64) return true for virt_addr_valid() on * vmalloced addresses. Work around this by checking for vmalloc * first. + * + * We also need to check for module addresses explicitly since we + * may copy static data from modules to userspace */ - if (is_vmalloc_addr(ptr)) + if (is_vmalloc_or_module_addr(ptr)) return NULL; if (!virt_addr_valid(ptr)) diff --git a/mm/vmscan.c b/mm/vmscan.c index b1e12a1ea9cf..0fe8b7113868 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -2303,23 +2303,6 @@ out: } } -#ifdef CONFIG_ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH -static void init_tlb_ubc(void) -{ - /* - * This deliberately does not clear the cpumask as it's expensive - * and unnecessary. If there happens to be data in there then the - * first SWAP_CLUSTER_MAX pages will send an unnecessary IPI and - * then will be cleared. - */ - current->tlb_ubc.flush_required = false; -} -#else -static inline void init_tlb_ubc(void) -{ -} -#endif /* CONFIG_ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH */ - /* * This is a basic per-node page freer. Used by both kswapd and direct reclaim. */ @@ -2355,8 +2338,6 @@ static void shrink_node_memcg(struct pglist_data *pgdat, struct mem_cgroup *memc scan_adjusted = (global_reclaim(sc) && !current_is_kswapd() && sc->priority == DEF_PRIORITY); - init_tlb_ubc(); - blk_start_plug(&plug); while (nr[LRU_INACTIVE_ANON] || nr[LRU_ACTIVE_FILE] || nr[LRU_INACTIVE_FILE]) { diff --git a/net/batman-adv/bat_v_elp.c b/net/batman-adv/bat_v_elp.c index 7d170010beb9..ee08540ce503 100644 --- a/net/batman-adv/bat_v_elp.c +++ b/net/batman-adv/bat_v_elp.c @@ -335,7 +335,7 @@ int batadv_v_elp_iface_enable(struct batadv_hard_iface *hard_iface) goto out; skb_reserve(hard_iface->bat_v.elp_skb, ETH_HLEN + NET_IP_ALIGN); - elp_buff = skb_push(hard_iface->bat_v.elp_skb, BATADV_ELP_HLEN); + elp_buff = skb_put(hard_iface->bat_v.elp_skb, BATADV_ELP_HLEN); elp_packet = (struct batadv_elp_packet *)elp_buff; memset(elp_packet, 0, BATADV_ELP_HLEN); diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c index 7602c001e92b..3d199478c405 100644 --- a/net/batman-adv/routing.c +++ b/net/batman-adv/routing.c @@ -470,6 +470,29 @@ static int batadv_check_unicast_packet(struct batadv_priv *bat_priv, } /** + * batadv_last_bonding_get - Get last_bonding_candidate of orig_node + * @orig_node: originator node whose last bonding candidate should be retrieved + * + * Return: last bonding candidate of router or NULL if not found + * + * The object is returned with refcounter increased by 1. + */ +static struct batadv_orig_ifinfo * +batadv_last_bonding_get(struct batadv_orig_node *orig_node) +{ + struct batadv_orig_ifinfo *last_bonding_candidate; + + spin_lock_bh(&orig_node->neigh_list_lock); + last_bonding_candidate = orig_node->last_bonding_candidate; + + if (last_bonding_candidate) + kref_get(&last_bonding_candidate->refcount); + spin_unlock_bh(&orig_node->neigh_list_lock); + + return last_bonding_candidate; +} + +/** * batadv_last_bonding_replace - Replace last_bonding_candidate of orig_node * @orig_node: originator node whose bonding candidates should be replaced * @new_candidate: new bonding candidate or NULL @@ -539,7 +562,7 @@ batadv_find_router(struct batadv_priv *bat_priv, * router - obviously there are no other candidates. */ rcu_read_lock(); - last_candidate = orig_node->last_bonding_candidate; + last_candidate = batadv_last_bonding_get(orig_node); if (last_candidate) last_cand_router = rcu_dereference(last_candidate->router); @@ -631,6 +654,9 @@ next: batadv_orig_ifinfo_put(next_candidate); } + if (last_candidate) + batadv_orig_ifinfo_put(last_candidate); + return router; } diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c index 8e486203d133..abe11f085479 100644 --- a/net/bridge/br_input.c +++ b/net/bridge/br_input.c @@ -80,13 +80,10 @@ static void br_do_proxy_arp(struct sk_buff *skb, struct net_bridge *br, BR_INPUT_SKB_CB(skb)->proxyarp_replied = false; - if (dev->flags & IFF_NOARP) + if ((dev->flags & IFF_NOARP) || + !pskb_may_pull(skb, arp_hdr_len(dev))) return; - if (!pskb_may_pull(skb, arp_hdr_len(dev))) { - dev->stats.tx_dropped++; - return; - } parp = arp_hdr(skb); if (parp->ar_pro != htons(ETH_P_IP) || diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index a5423a1eec05..c5fea9393946 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -1138,7 +1138,7 @@ static int br_ip6_multicast_mld2_report(struct net_bridge *br, } else { err = br_ip6_multicast_add_group(br, port, &grec->grec_mca, vid); - if (!err) + if (err) break; } } diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c index cceac5bb658f..0833c251aef7 100644 --- a/net/bridge/netfilter/ebtables.c +++ b/net/bridge/netfilter/ebtables.c @@ -368,6 +368,8 @@ ebt_check_match(struct ebt_entry_match *m, struct xt_mtchk_param *par, match = xt_find_match(NFPROTO_BRIDGE, m->u.name, 0); if (IS_ERR(match) || match->family != NFPROTO_BRIDGE) { + if (!IS_ERR(match)) + module_put(match->me); request_module("ebt_%s", m->u.name); match = xt_find_match(NFPROTO_BRIDGE, m->u.name, 0); } diff --git a/net/bridge/netfilter/nft_meta_bridge.c b/net/bridge/netfilter/nft_meta_bridge.c index 4b901d9f2e7c..ad47a921b701 100644 --- a/net/bridge/netfilter/nft_meta_bridge.c +++ b/net/bridge/netfilter/nft_meta_bridge.c @@ -86,6 +86,7 @@ static const struct nft_expr_ops nft_meta_bridge_set_ops = { .init = nft_meta_set_init, .destroy = nft_meta_set_destroy, .dump = nft_meta_set_dump, + .validate = nft_meta_set_validate, }; static const struct nft_expr_ops * diff --git a/net/core/dev.c b/net/core/dev.c index dd6ce598de89..ea6312057a71 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -3975,6 +3975,22 @@ sch_handle_ingress(struct sk_buff *skb, struct packet_type **pt_prev, int *ret, } /** + * netdev_is_rx_handler_busy - check if receive handler is registered + * @dev: device to check + * + * Check if a receive handler is already registered for a given device. + * Return true if there one. + * + * The caller must hold the rtnl_mutex. + */ +bool netdev_is_rx_handler_busy(struct net_device *dev) +{ + ASSERT_RTNL(); + return dev && rtnl_dereference(dev->rx_handler); +} +EXPORT_SYMBOL_GPL(netdev_is_rx_handler_busy); + +/** * netdev_rx_handler_register - register receive handler * @dev: device to register a handler for * @rx_handler: receive handler to register diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index 61ad43f61c5e..52742a02814f 100644 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c @@ -680,11 +680,13 @@ EXPORT_SYMBOL_GPL(__skb_get_hash_symmetric); void __skb_get_hash(struct sk_buff *skb) { struct flow_keys keys; + u32 hash; __flow_hash_secret_init(); - __skb_set_sw_hash(skb, ___skb_get_hash(skb, &keys, hashrnd), - flow_keys_have_l4(&keys)); + hash = ___skb_get_hash(skb, &keys, hashrnd); + + __skb_set_sw_hash(skb, hash, flow_keys_have_l4(&keys)); } EXPORT_SYMBOL(__skb_get_hash); diff --git a/net/core/sock.c b/net/core/sock.c index 25dab8b60223..fd7b41edf1ce 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -1362,7 +1362,6 @@ static struct sock *sk_prot_alloc(struct proto *prot, gfp_t priority, if (!try_module_get(prot->owner)) goto out_free_sec; sk_tx_queue_clear(sk); - cgroup_sk_alloc(&sk->sk_cgrp_data); } return sk; @@ -1422,6 +1421,7 @@ struct sock *sk_alloc(struct net *net, int family, gfp_t priority, sock_net_set(sk, net); atomic_set(&sk->sk_wmem_alloc, 1); + cgroup_sk_alloc(&sk->sk_cgrp_data); sock_update_classid(&sk->sk_cgrp_data); sock_update_netprioidx(&sk->sk_cgrp_data); } @@ -1566,6 +1566,9 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority) newsk->sk_priority = 0; newsk->sk_incoming_cpu = raw_smp_processor_id(); atomic64_set(&newsk->sk_cookie, 0); + + cgroup_sk_alloc(&newsk->sk_cgrp_data); + /* * Before updating sk_refcnt, we must commit prior changes to memory * (Documentation/RCU/rculist_nulls.txt for details) diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c index 415e117967c7..062a67ca9a21 100644 --- a/net/ipv4/devinet.c +++ b/net/ipv4/devinet.c @@ -2232,7 +2232,7 @@ static struct devinet_sysctl_table { }; static int __devinet_sysctl_register(struct net *net, char *dev_name, - struct ipv4_devconf *p) + int ifindex, struct ipv4_devconf *p) { int i; struct devinet_sysctl_table *t; @@ -2255,6 +2255,8 @@ static int __devinet_sysctl_register(struct net *net, char *dev_name, goto free; p->sysctl = t; + + inet_netconf_notify_devconf(net, NETCONFA_ALL, ifindex, p); return 0; free: @@ -2286,7 +2288,7 @@ static int devinet_sysctl_register(struct in_device *idev) if (err) return err; err = __devinet_sysctl_register(dev_net(idev->dev), idev->dev->name, - &idev->cnf); + idev->dev->ifindex, &idev->cnf); if (err) neigh_sysctl_unregister(idev->arp_parms); return err; @@ -2347,11 +2349,12 @@ static __net_init int devinet_init_net(struct net *net) } #ifdef CONFIG_SYSCTL - err = __devinet_sysctl_register(net, "all", all); + err = __devinet_sysctl_register(net, "all", NETCONFA_IFINDEX_ALL, all); if (err < 0) goto err_reg_all; - err = __devinet_sysctl_register(net, "default", dflt); + err = __devinet_sysctl_register(net, "default", + NETCONFA_IFINDEX_DEFAULT, dflt); if (err < 0) goto err_reg_dflt; diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index ef2ebeb89d0f..1b25daf8c7f1 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -509,6 +509,7 @@ static int rtentry_to_fib_config(struct net *net, int cmd, struct rtentry *rt, if (!dev) return -ENODEV; cfg->fc_oif = dev->ifindex; + cfg->fc_table = l3mdev_fib_table(dev); if (colon) { struct in_ifaddr *ifa; struct in_device *in_dev = __in_dev_get_rtnl(dev); @@ -1027,7 +1028,7 @@ no_promotions: * First of all, we scan fib_info list searching * for stray nexthop entries, then ignite fib_flush. */ - if (fib_sync_down_addr(dev_net(dev), ifa->ifa_local)) + if (fib_sync_down_addr(dev, ifa->ifa_local)) fib_flush(dev_net(dev)); } } diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index 539fa264e67d..e9f56225e53f 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -1057,6 +1057,7 @@ struct fib_info *fib_create_info(struct fib_config *cfg) fi->fib_priority = cfg->fc_priority; fi->fib_prefsrc = cfg->fc_prefsrc; fi->fib_type = cfg->fc_type; + fi->fib_tb_id = cfg->fc_table; fi->fib_nhs = nhs; change_nexthops(fi) { @@ -1337,18 +1338,21 @@ nla_put_failure: * referring to it. * - device went down -> we must shutdown all nexthops going via it. */ -int fib_sync_down_addr(struct net *net, __be32 local) +int fib_sync_down_addr(struct net_device *dev, __be32 local) { int ret = 0; unsigned int hash = fib_laddr_hashfn(local); struct hlist_head *head = &fib_info_laddrhash[hash]; + struct net *net = dev_net(dev); + int tb_id = l3mdev_fib_table(dev); struct fib_info *fi; if (!fib_info_laddrhash || local == 0) return 0; hlist_for_each_entry(fi, head, fib_lhash) { - if (!net_eq(fi->fib_net, net)) + if (!net_eq(fi->fib_net, net) || + fi->fib_tb_id != tb_id) continue; if (fi->fib_prefsrc == local) { fi->fib_flags |= RTNH_F_DEAD; diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c index 4b351af3e67b..d6feabb03516 100644 --- a/net/ipv4/ip_input.c +++ b/net/ipv4/ip_input.c @@ -312,6 +312,7 @@ static int ip_rcv_finish(struct net *net, struct sock *sk, struct sk_buff *skb) { const struct iphdr *iph = ip_hdr(skb); struct rtable *rt; + struct net_device *dev = skb->dev; /* if ingress device is enslaved to an L3 master device pass the * skb to its handler for processing @@ -341,7 +342,7 @@ static int ip_rcv_finish(struct net *net, struct sock *sk, struct sk_buff *skb) */ if (!skb_valid_dst(skb)) { int err = ip_route_input_noref(skb, iph->daddr, iph->saddr, - iph->tos, skb->dev); + iph->tos, dev); if (unlikely(err)) { if (err == -EXDEV) __NET_INC_STATS(net, LINUX_MIB_IPRPFILTER); @@ -370,7 +371,7 @@ static int ip_rcv_finish(struct net *net, struct sock *sk, struct sk_buff *skb) __IP_UPD_PO_STATS(net, IPSTATS_MIB_INBCAST, skb->len); } else if (skb->pkt_type == PACKET_BROADCAST || skb->pkt_type == PACKET_MULTICAST) { - struct in_device *in_dev = __in_dev_get_rcu(skb->dev); + struct in_device *in_dev = __in_dev_get_rcu(dev); /* RFC 1122 3.3.6: * diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c index cc701fa70b12..5d7944f394d9 100644 --- a/net/ipv4/ip_vti.c +++ b/net/ipv4/ip_vti.c @@ -88,6 +88,7 @@ static int vti_rcv_cb(struct sk_buff *skb, int err) struct net_device *dev; struct pcpu_sw_netstats *tstats; struct xfrm_state *x; + struct xfrm_mode *inner_mode; struct ip_tunnel *tunnel = XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip4; u32 orig_mark = skb->mark; int ret; @@ -105,7 +106,19 @@ static int vti_rcv_cb(struct sk_buff *skb, int err) } x = xfrm_input_state(skb); - family = x->inner_mode->afinfo->family; + + inner_mode = x->inner_mode; + + if (x->sel.family == AF_UNSPEC) { + inner_mode = xfrm_ip2inner_mode(x, XFRM_MODE_SKB_CB(skb)->protocol); + if (inner_mode == NULL) { + XFRM_INC_STATS(dev_net(skb->dev), + LINUX_MIB_XFRMINSTATEMODEERROR); + return -EINVAL; + } + } + + family = inner_mode->afinfo->family; skb->mark = be32_to_cpu(tunnel->parms.i_key); ret = xfrm_policy_check(NULL, XFRM_POLICY_IN, skb, family); diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c index 26253328d227..a87bcd2d4a94 100644 --- a/net/ipv4/ipmr.c +++ b/net/ipv4/ipmr.c @@ -2076,6 +2076,7 @@ static int __ipmr_fill_mroute(struct mr_table *mrt, struct sk_buff *skb, struct rta_mfc_stats mfcs; struct nlattr *mp_attr; struct rtnexthop *nhp; + unsigned long lastuse; int ct; /* If cache is unresolved, don't try to parse IIF and OIF */ @@ -2105,12 +2106,14 @@ static int __ipmr_fill_mroute(struct mr_table *mrt, struct sk_buff *skb, nla_nest_end(skb, mp_attr); + lastuse = READ_ONCE(c->mfc_un.res.lastuse); + lastuse = time_after_eq(jiffies, lastuse) ? jiffies - lastuse : 0; + mfcs.mfcs_packets = c->mfc_un.res.pkt; mfcs.mfcs_bytes = c->mfc_un.res.bytes; mfcs.mfcs_wrong_if = c->mfc_un.res.wrong_if; if (nla_put_64bit(skb, RTA_MFC_STATS, sizeof(mfcs), &mfcs, RTA_PAD) || - nla_put_u64_64bit(skb, RTA_EXPIRES, - jiffies_to_clock_t(c->mfc_un.res.lastuse), + nla_put_u64_64bit(skb, RTA_EXPIRES, jiffies_to_clock_t(lastuse), RTA_PAD)) return -EMSGSIZE; diff --git a/net/ipv4/netfilter/nft_chain_route_ipv4.c b/net/ipv4/netfilter/nft_chain_route_ipv4.c index 2375b0a8be46..30493beb611a 100644 --- a/net/ipv4/netfilter/nft_chain_route_ipv4.c +++ b/net/ipv4/netfilter/nft_chain_route_ipv4.c @@ -31,6 +31,7 @@ static unsigned int nf_route_table_hook(void *priv, __be32 saddr, daddr; u_int8_t tos; const struct iphdr *iph; + int err; /* root is playing with raw sockets. */ if (skb->len < sizeof(struct iphdr) || @@ -46,15 +47,17 @@ static unsigned int nf_route_table_hook(void *priv, tos = iph->tos; ret = nft_do_chain(&pkt, priv); - if (ret != NF_DROP && ret != NF_QUEUE) { + if (ret != NF_DROP && ret != NF_STOLEN) { iph = ip_hdr(skb); if (iph->saddr != saddr || iph->daddr != daddr || skb->mark != mark || - iph->tos != tos) - if (ip_route_me_harder(state->net, skb, RTN_UNSPEC)) - ret = NF_DROP; + iph->tos != tos) { + err = ip_route_me_harder(state->net, skb, RTN_UNSPEC); + if (err < 0) + ret = NF_DROP_ERR(err); + } } return ret; } diff --git a/net/ipv4/netfilter/nft_reject_ipv4.c b/net/ipv4/netfilter/nft_reject_ipv4.c index c24f41c816b3..2c2553b9026c 100644 --- a/net/ipv4/netfilter/nft_reject_ipv4.c +++ b/net/ipv4/netfilter/nft_reject_ipv4.c @@ -46,6 +46,7 @@ static const struct nft_expr_ops nft_reject_ipv4_ops = { .eval = nft_reject_ipv4_eval, .init = nft_reject_init, .dump = nft_reject_dump, + .validate = nft_reject_validate, }; static struct nft_expr_type nft_reject_ipv4_type __read_mostly = { diff --git a/net/ipv4/route.c b/net/ipv4/route.c index a1f2830d8110..b5b47a26d4ec 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -476,12 +476,18 @@ u32 ip_idents_reserve(u32 hash, int segs) atomic_t *p_id = ip_idents + hash % IP_IDENTS_SZ; u32 old = ACCESS_ONCE(*p_tstamp); u32 now = (u32)jiffies; - u32 delta = 0; + u32 new, delta = 0; if (old != now && cmpxchg(p_tstamp, old, now) == old) delta = prandom_u32_max(now - old); - return atomic_add_return(segs + delta, p_id) - segs; + /* Do not use atomic_add_return() as it makes UBSAN unhappy */ + do { + old = (u32)atomic_read(p_id); + new = old + delta + segs; + } while (atomic_cmpxchg(p_id, old, new) != old); + + return new - segs; } EXPORT_SYMBOL(ip_idents_reserve); diff --git a/net/ipv4/tcp_fastopen.c b/net/ipv4/tcp_fastopen.c index 54d9f9b0120f..4e777a3243f9 100644 --- a/net/ipv4/tcp_fastopen.c +++ b/net/ipv4/tcp_fastopen.c @@ -150,6 +150,7 @@ void tcp_fastopen_add_skb(struct sock *sk, struct sk_buff *skb) tp->segs_in = 0; tcp_segs_in(tp, skb); __skb_pull(skb, tcp_hdrlen(skb)); + sk_forced_mem_schedule(sk, skb->truesize); skb_set_owner_r(skb, sk); TCP_SKB_CB(skb)->seq++; @@ -226,6 +227,7 @@ static struct sock *tcp_fastopen_create_child(struct sock *sk, tcp_fastopen_add_skb(child, skb); tcp_rsk(req)->rcv_nxt = tp->rcv_nxt; + tp->rcv_wup = tp->rcv_nxt; /* tcp_conn_request() is sending the SYNACK, * and queues the child into listener accept queue. */ diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 3ebf45b38bc3..08323bd95f2a 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -5885,7 +5885,7 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb) * so release it. */ if (req) { - tp->total_retrans = req->num_retrans; + inet_csk(sk)->icsk_retransmits = 0; reqsk_fastopen_remove(sk, req, false); } else { /* Make sure socket is routed, for correct metrics. */ diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index bdaef7fd6e47..5288cec4a2b2 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2605,7 +2605,8 @@ int __tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb, int segs) * copying overhead: fragmentation, tunneling, mangling etc. */ if (atomic_read(&sk->sk_wmem_alloc) > - min(sk->sk_wmem_queued + (sk->sk_wmem_queued >> 2), sk->sk_sndbuf)) + min_t(u32, sk->sk_wmem_queued + (sk->sk_wmem_queued >> 2), + sk->sk_sndbuf)) return -EAGAIN; if (skb_still_in_host_queue(sk, skb)) @@ -2830,7 +2831,7 @@ begin_fwd: if (tcp_retransmit_skb(sk, skb, segs)) return; - NET_INC_STATS(sock_net(sk), mib_idx); + NET_ADD_STATS(sock_net(sk), mib_idx, tcp_skb_pcount(skb)); if (tcp_in_cwnd_reduction(sk)) tp->prr_out += tcp_skb_pcount(skb); @@ -3567,6 +3568,8 @@ int tcp_rtx_synack(const struct sock *sk, struct request_sock *req) if (!res) { __TCP_INC_STATS(sock_net(sk), TCP_MIB_RETRANSSEGS); __NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPSYNRETRANS); + if (unlikely(tcp_passive_fastopen(sk))) + tcp_sk(sk)->total_retrans++; } return res; } diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c index d84930b2dd95..f712b411f6ed 100644 --- a/net/ipv4/tcp_timer.c +++ b/net/ipv4/tcp_timer.c @@ -384,6 +384,7 @@ static void tcp_fastopen_synack_timer(struct sock *sk) */ inet_rtx_syn_ack(sk, req); req->num_timeout++; + icsk->icsk_retransmits++; inet_csk_reset_xmit_timer(sk, ICSK_TIME_RETRANS, TCP_TIMEOUT_INIT << req->num_timeout, TCP_RTO_MAX); } diff --git a/net/ipv4/tcp_yeah.c b/net/ipv4/tcp_yeah.c index 028eb046ea40..9c5fc973267f 100644 --- a/net/ipv4/tcp_yeah.c +++ b/net/ipv4/tcp_yeah.c @@ -76,7 +76,7 @@ static void tcp_yeah_cong_avoid(struct sock *sk, u32 ack, u32 acked) if (!tcp_is_cwnd_limited(sk)) return; - if (tp->snd_cwnd <= tp->snd_ssthresh) + if (tcp_in_slow_start(tp)) tcp_slow_start(tp, acked); else if (!yeah->doing_reno_now) { diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c index b644a23c3db0..41f5b504a782 100644 --- a/net/ipv4/xfrm4_policy.c +++ b/net/ipv4/xfrm4_policy.c @@ -29,7 +29,7 @@ static struct dst_entry *__xfrm4_dst_lookup(struct net *net, struct flowi4 *fl4, memset(fl4, 0, sizeof(*fl4)); fl4->daddr = daddr->a4; fl4->flowi4_tos = tos; - fl4->flowi4_oif = oif; + fl4->flowi4_oif = l3mdev_master_ifindex_by_index(net, oif); if (saddr) fl4->saddr = saddr->a4; diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index f418d2eaeddd..2f1f5d439788 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -778,7 +778,14 @@ static int addrconf_fixup_forwarding(struct ctl_table *table, int *p, int newf) } if (p == &net->ipv6.devconf_all->forwarding) { + int old_dflt = net->ipv6.devconf_dflt->forwarding; + net->ipv6.devconf_dflt->forwarding = newf; + if ((!newf) ^ (!old_dflt)) + inet6_netconf_notify_devconf(net, NETCONFA_FORWARDING, + NETCONFA_IFINDEX_DEFAULT, + net->ipv6.devconf_dflt); + addrconf_forward_change(net, newf); if ((!newf) ^ (!old)) inet6_netconf_notify_devconf(net, NETCONFA_FORWARDING, @@ -1941,6 +1948,7 @@ errdad: spin_unlock_bh(&ifp->lock); addrconf_mod_dad_work(ifp, 0); + in6_ifa_put(ifp); } /* Join to solicited addr multicast group. @@ -3850,6 +3858,7 @@ static void addrconf_dad_work(struct work_struct *w) addrconf_dad_begin(ifp); goto out; } else if (action == DAD_ABORT) { + in6_ifa_hold(ifp); addrconf_dad_stop(ifp, 1); if (disable_ipv6) addrconf_ifdown(idev->dev, 0); @@ -6025,7 +6034,7 @@ static const struct ctl_table addrconf_sysctl[] = { static int __addrconf_sysctl_register(struct net *net, char *dev_name, struct inet6_dev *idev, struct ipv6_devconf *p) { - int i; + int i, ifindex; struct ctl_table *table; char path[sizeof("net/ipv6/conf/") + IFNAMSIZ]; @@ -6045,6 +6054,13 @@ static int __addrconf_sysctl_register(struct net *net, char *dev_name, if (!p->sysctl_header) goto free; + if (!strcmp(dev_name, "all")) + ifindex = NETCONFA_IFINDEX_ALL; + else if (!strcmp(dev_name, "default")) + ifindex = NETCONFA_IFINDEX_DEFAULT; + else + ifindex = idev->dev->ifindex; + inet6_netconf_notify_devconf(net, NETCONFA_ALL, ifindex, p); return 0; free: diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 7b0481e3738f..888543debe4e 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -1174,6 +1174,7 @@ ip4ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev) encap_limit = t->parms.encap_limit; memcpy(&fl6, &t->fl.u.ip6, sizeof(fl6)); + fl6.flowi6_proto = IPPROTO_IPIP; dsfield = ipv4_get_dsfield(iph); @@ -1233,6 +1234,7 @@ ip6ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev) encap_limit = t->parms.encap_limit; memcpy(&fl6, &t->fl.u.ip6, sizeof(fl6)); + fl6.flowi6_proto = IPPROTO_IPV6; dsfield = ipv6_get_dsfield(ipv6h); if (t->parms.flags & IP6_TNL_F_USE_ORIG_TCLASS) diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c index d90a11f14040..5bd3afdcc771 100644 --- a/net/ipv6/ip6_vti.c +++ b/net/ipv6/ip6_vti.c @@ -321,11 +321,9 @@ static int vti6_rcv(struct sk_buff *skb) goto discard; } - XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6 = t; - rcu_read_unlock(); - return xfrm6_rcv(skb); + return xfrm6_rcv_tnl(skb, t); } rcu_read_unlock(); return -EINVAL; @@ -340,6 +338,7 @@ static int vti6_rcv_cb(struct sk_buff *skb, int err) struct net_device *dev; struct pcpu_sw_netstats *tstats; struct xfrm_state *x; + struct xfrm_mode *inner_mode; struct ip6_tnl *t = XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6; u32 orig_mark = skb->mark; int ret; @@ -357,7 +356,19 @@ static int vti6_rcv_cb(struct sk_buff *skb, int err) } x = xfrm_input_state(skb); - family = x->inner_mode->afinfo->family; + + inner_mode = x->inner_mode; + + if (x->sel.family == AF_UNSPEC) { + inner_mode = xfrm_ip2inner_mode(x, XFRM_MODE_SKB_CB(skb)->protocol); + if (inner_mode == NULL) { + XFRM_INC_STATS(dev_net(skb->dev), + LINUX_MIB_XFRMINSTATEMODEERROR); + return -EINVAL; + } + } + + family = inner_mode->afinfo->family; skb->mark = be32_to_cpu(t->parms.i_key); ret = xfrm_policy_check(NULL, XFRM_POLICY_IN, skb, family); diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index 6122f9c5cc49..fccb5dd91902 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -2239,6 +2239,7 @@ static int __ip6mr_fill_mroute(struct mr6_table *mrt, struct sk_buff *skb, struct rta_mfc_stats mfcs; struct nlattr *mp_attr; struct rtnexthop *nhp; + unsigned long lastuse; int ct; /* If cache is unresolved, don't try to parse IIF and OIF */ @@ -2269,12 +2270,14 @@ static int __ip6mr_fill_mroute(struct mr6_table *mrt, struct sk_buff *skb, nla_nest_end(skb, mp_attr); + lastuse = READ_ONCE(c->mfc_un.res.lastuse); + lastuse = time_after_eq(jiffies, lastuse) ? jiffies - lastuse : 0; + mfcs.mfcs_packets = c->mfc_un.res.pkt; mfcs.mfcs_bytes = c->mfc_un.res.bytes; mfcs.mfcs_wrong_if = c->mfc_un.res.wrong_if; if (nla_put_64bit(skb, RTA_MFC_STATS, sizeof(mfcs), &mfcs, RTA_PAD) || - nla_put_u64_64bit(skb, RTA_EXPIRES, - jiffies_to_clock_t(c->mfc_un.res.lastuse), + nla_put_u64_64bit(skb, RTA_EXPIRES, jiffies_to_clock_t(lastuse), RTA_PAD)) return -EMSGSIZE; diff --git a/net/ipv6/netfilter/nft_chain_route_ipv6.c b/net/ipv6/netfilter/nft_chain_route_ipv6.c index 71d995ff3108..2535223ba956 100644 --- a/net/ipv6/netfilter/nft_chain_route_ipv6.c +++ b/net/ipv6/netfilter/nft_chain_route_ipv6.c @@ -31,6 +31,7 @@ static unsigned int nf_route_table_hook(void *priv, struct in6_addr saddr, daddr; u_int8_t hop_limit; u32 mark, flowlabel; + int err; /* malformed packet, drop it */ if (nft_set_pktinfo_ipv6(&pkt, skb, state) < 0) @@ -46,13 +47,16 @@ static unsigned int nf_route_table_hook(void *priv, flowlabel = *((u32 *)ipv6_hdr(skb)); ret = nft_do_chain(&pkt, priv); - if (ret != NF_DROP && ret != NF_QUEUE && + if (ret != NF_DROP && ret != NF_STOLEN && (memcmp(&ipv6_hdr(skb)->saddr, &saddr, sizeof(saddr)) || memcmp(&ipv6_hdr(skb)->daddr, &daddr, sizeof(daddr)) || skb->mark != mark || ipv6_hdr(skb)->hop_limit != hop_limit || - flowlabel != *((u_int32_t *)ipv6_hdr(skb)))) - return ip6_route_me_harder(state->net, skb) == 0 ? ret : NF_DROP; + flowlabel != *((u_int32_t *)ipv6_hdr(skb)))) { + err = ip6_route_me_harder(state->net, skb); + if (err < 0) + ret = NF_DROP_ERR(err); + } return ret; } diff --git a/net/ipv6/netfilter/nft_reject_ipv6.c b/net/ipv6/netfilter/nft_reject_ipv6.c index 533cd5719c59..92bda9908bb9 100644 --- a/net/ipv6/netfilter/nft_reject_ipv6.c +++ b/net/ipv6/netfilter/nft_reject_ipv6.c @@ -47,6 +47,7 @@ static const struct nft_expr_ops nft_reject_ipv6_ops = { .eval = nft_reject_ipv6_eval, .init = nft_reject_init, .dump = nft_reject_dump, + .validate = nft_reject_validate, }; static struct nft_expr_type nft_reject_ipv6_type __read_mostly = { diff --git a/net/ipv6/ping.c b/net/ipv6/ping.c index 0900352c924c..0e983b694ee8 100644 --- a/net/ipv6/ping.c +++ b/net/ipv6/ping.c @@ -126,8 +126,10 @@ static int ping_v6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) rt = (struct rt6_info *) dst; np = inet6_sk(sk); - if (!np) - return -EBADF; + if (!np) { + err = -EBADF; + goto dst_err_out; + } if (!fl6.flowi6_oif && ipv6_addr_is_multicast(&fl6.daddr)) fl6.flowi6_oif = np->mcast_oif; @@ -163,6 +165,9 @@ static int ping_v6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) } release_sock(sk); +dst_err_out: + dst_release(dst); + if (err) return err; diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 49817555449e..e3a224b97905 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -1986,9 +1986,18 @@ static struct rt6_info *ip6_route_info_create(struct fib6_config *cfg) if (!(gwa_type & IPV6_ADDR_UNICAST)) goto out; - if (cfg->fc_table) + if (cfg->fc_table) { grt = ip6_nh_lookup_table(net, cfg, gw_addr); + if (grt) { + if (grt->rt6i_flags & RTF_GATEWAY || + (dev && dev != grt->dst.dev)) { + ip6_rt_put(grt); + grt = NULL; + } + } + } + if (!grt) grt = rt6_lookup(net, gw_addr, NULL, cfg->fc_ifindex, 1); diff --git a/net/ipv6/xfrm6_input.c b/net/ipv6/xfrm6_input.c index 0eaab1fa6be5..b5789562aded 100644 --- a/net/ipv6/xfrm6_input.c +++ b/net/ipv6/xfrm6_input.c @@ -21,8 +21,10 @@ int xfrm6_extract_input(struct xfrm_state *x, struct sk_buff *skb) return xfrm6_extract_header(skb); } -int xfrm6_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi) +int xfrm6_rcv_spi(struct sk_buff *skb, int nexthdr, __be32 spi, + struct ip6_tnl *t) { + XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6 = t; XFRM_SPI_SKB_CB(skb)->family = AF_INET6; XFRM_SPI_SKB_CB(skb)->daddroff = offsetof(struct ipv6hdr, daddr); return xfrm_input(skb, nexthdr, spi, 0); @@ -48,13 +50,18 @@ int xfrm6_transport_finish(struct sk_buff *skb, int async) return -1; } -int xfrm6_rcv(struct sk_buff *skb) +int xfrm6_rcv_tnl(struct sk_buff *skb, struct ip6_tnl *t) { return xfrm6_rcv_spi(skb, skb_network_header(skb)[IP6CB(skb)->nhoff], - 0); + 0, t); } -EXPORT_SYMBOL(xfrm6_rcv); +EXPORT_SYMBOL(xfrm6_rcv_tnl); +int xfrm6_rcv(struct sk_buff *skb) +{ + return xfrm6_rcv_tnl(skb, NULL); +} +EXPORT_SYMBOL(xfrm6_rcv); int xfrm6_input_addr(struct sk_buff *skb, xfrm_address_t *daddr, xfrm_address_t *saddr, u8 proto) { diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c index 6cc97003e4a9..70a86adad875 100644 --- a/net/ipv6/xfrm6_policy.c +++ b/net/ipv6/xfrm6_policy.c @@ -36,7 +36,7 @@ static struct dst_entry *xfrm6_dst_lookup(struct net *net, int tos, int oif, int err; memset(&fl6, 0, sizeof(fl6)); - fl6.flowi6_oif = oif; + fl6.flowi6_oif = l3mdev_master_ifindex_by_index(net, oif); fl6.flowi6_flags = FLOWI_FLAG_SKIP_NH_OIF; memcpy(&fl6.daddr, daddr, sizeof(fl6.daddr)); if (saddr) diff --git a/net/ipv6/xfrm6_tunnel.c b/net/ipv6/xfrm6_tunnel.c index 5743044cd660..e1c0bbe7996c 100644 --- a/net/ipv6/xfrm6_tunnel.c +++ b/net/ipv6/xfrm6_tunnel.c @@ -236,7 +236,7 @@ static int xfrm6_tunnel_rcv(struct sk_buff *skb) __be32 spi; spi = xfrm6_tunnel_spi_lookup(net, (const xfrm_address_t *)&iph->saddr); - return xfrm6_rcv_spi(skb, IPPROTO_IPV6, spi); + return xfrm6_rcv_spi(skb, IPPROTO_IPV6, spi, NULL); } static int xfrm6_tunnel_err(struct sk_buff *skb, struct inet6_skb_parm *opt, diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c index 8d2f7c9b491d..ccc244406fb9 100644 --- a/net/irda/af_irda.c +++ b/net/irda/af_irda.c @@ -832,7 +832,7 @@ static int irda_accept(struct socket *sock, struct socket *newsock, int flags) struct sock *sk = sock->sk; struct irda_sock *new, *self = irda_sk(sk); struct sock *newsk; - struct sk_buff *skb; + struct sk_buff *skb = NULL; int err; err = irda_create(sock_net(sk), newsock, sk->sk_protocol, 0); @@ -900,7 +900,6 @@ static int irda_accept(struct socket *sock, struct socket *newsock, int flags) err = -EPERM; /* value does not seem to make sense. -arnd */ if (!new->tsap) { pr_debug("%s(), dup failed!\n", __func__); - kfree_skb(skb); goto out; } @@ -919,7 +918,6 @@ static int irda_accept(struct socket *sock, struct socket *newsock, int flags) /* Clean up the original one to keep it in listen state */ irttp_listen(self->tsap); - kfree_skb(skb); sk->sk_ack_backlog--; newsock->state = SS_CONNECTED; @@ -927,6 +925,7 @@ static int irda_accept(struct socket *sock, struct socket *newsock, int flags) irda_connect_response(new); err = 0; out: + kfree_skb(skb); release_sock(sk); return err; } diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c index cb39e05b166c..411693288648 100644 --- a/net/kcm/kcmsock.c +++ b/net/kcm/kcmsock.c @@ -13,6 +13,7 @@ #include <linux/socket.h> #include <linux/uaccess.h> #include <linux/workqueue.h> +#include <linux/syscalls.h> #include <net/kcm.h> #include <net/netns/generic.h> #include <net/sock.h> @@ -2029,7 +2030,7 @@ static int kcm_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) if (copy_to_user((void __user *)arg, &info, sizeof(info))) { err = -EFAULT; - sock_release(newsock); + sys_close(info.fd); } } diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index 1e40dacaa137..a2ed3bda4ddc 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -1855,6 +1855,9 @@ static __net_exit void l2tp_exit_net(struct net *net) (void)l2tp_tunnel_delete(tunnel); } rcu_read_unlock_bh(); + + flush_workqueue(l2tp_wq); + rcu_barrier(); } static struct pernet_operations l2tp_net_ops = { diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c index a9aff6079c42..afa94687d5e1 100644 --- a/net/mac80211/agg-rx.c +++ b/net/mac80211/agg-rx.c @@ -261,10 +261,16 @@ void __ieee80211_start_rx_ba_session(struct sta_info *sta, .timeout = timeout, .ssn = start_seq_num, }; - int i, ret = -EOPNOTSUPP; u16 status = WLAN_STATUS_REQUEST_DECLINED; + if (tid >= IEEE80211_FIRST_TSPEC_TSID) { + ht_dbg(sta->sdata, + "STA %pM requests BA session on unsupported tid %d\n", + sta->sta.addr, tid); + goto end_no_lock; + } + if (!sta->sta.ht_cap.ht_supported) { ht_dbg(sta->sdata, "STA %pM erroneously requests BA session on tid %d w/o QoS\n", diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index 5650c46bf91a..45319cc01121 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -584,6 +584,9 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid, ieee80211_hw_check(&local->hw, TX_AMPDU_SETUP_IN_HW)) return -EINVAL; + if (WARN_ON(tid >= IEEE80211_FIRST_TSPEC_TSID)) + return -EINVAL; + ht_dbg(sdata, "Open BA session requested for %pM tid %u\n", pubsta->addr, tid); diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c index 8f9c3bde835f..faccef977670 100644 --- a/net/mac80211/mesh_hwmp.c +++ b/net/mac80211/mesh_hwmp.c @@ -746,6 +746,7 @@ static void hwmp_perr_frame_process(struct ieee80211_sub_if_data *sdata, sta = next_hop_deref_protected(mpath); if (mpath->flags & MESH_PATH_ACTIVE && ether_addr_equal(ta, sta->sta.addr) && + !(mpath->flags & MESH_PATH_FIXED) && (!(mpath->flags & MESH_PATH_SN_VALID) || SN_GT(target_sn, mpath->sn) || target_sn == 0)) { mpath->flags &= ~MESH_PATH_ACTIVE; @@ -1012,7 +1013,7 @@ void mesh_path_start_discovery(struct ieee80211_sub_if_data *sdata) goto enddiscovery; spin_lock_bh(&mpath->state_lock); - if (mpath->flags & MESH_PATH_DELETED) { + if (mpath->flags & (MESH_PATH_DELETED | MESH_PATH_FIXED)) { spin_unlock_bh(&mpath->state_lock); goto enddiscovery; } diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index 6db2ddfa0695..f0e6175a9821 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -826,7 +826,7 @@ void mesh_path_fix_nexthop(struct mesh_path *mpath, struct sta_info *next_hop) mpath->metric = 0; mpath->hop_count = 0; mpath->exp_time = 0; - mpath->flags |= MESH_PATH_FIXED; + mpath->flags = MESH_PATH_FIXED | MESH_PATH_SN_VALID; mesh_path_activate(mpath); spin_unlock_bh(&mpath->state_lock); mesh_path_tx_pending(mpath); diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 76b737dcc36f..aa58df80ede0 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -1616,7 +1616,6 @@ ieee80211_sta_ps_deliver_response(struct sta_info *sta, sta_info_recalc_tim(sta); } else { - unsigned long tids = sta->txq_buffered_tids & driver_release_tids; int tid; /* @@ -1648,7 +1647,8 @@ ieee80211_sta_ps_deliver_response(struct sta_info *sta, for (tid = 0; tid < ARRAY_SIZE(sta->sta.txq); tid++) { struct txq_info *txqi = to_txq_info(sta->sta.txq[tid]); - if (!(tids & BIT(tid)) || txqi->tin.backlog_packets) + if (!(driver_release_tids & BIT(tid)) || + txqi->tin.backlog_packets) continue; sta_info_recalc_tim(sta); diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c index b5d28f14b9cf..afca7d103684 100644 --- a/net/mac80211/tdls.c +++ b/net/mac80211/tdls.c @@ -333,10 +333,11 @@ ieee80211_tdls_chandef_vht_upgrade(struct ieee80211_sub_if_data *sdata, if (!uc.center_freq1) return; - /* proceed to downgrade the chandef until usable or the same */ + /* proceed to downgrade the chandef until usable or the same as AP BW */ while (uc.width > max_width || - !cfg80211_reg_can_beacon_relax(sdata->local->hw.wiphy, &uc, - sdata->wdev.iftype)) + (uc.width > sta->tdls_chandef.width && + !cfg80211_reg_can_beacon_relax(sdata->local->hw.wiphy, &uc, + sdata->wdev.iftype))) ieee80211_chandef_downgrade(&uc); if (!cfg80211_chandef_identical(&uc, &sta->tdls_chandef)) { diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 502396694f47..18b285e06bc8 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -796,6 +796,36 @@ static __le16 ieee80211_tx_next_seq(struct sta_info *sta, int tid) return ret; } +static struct txq_info *ieee80211_get_txq(struct ieee80211_local *local, + struct ieee80211_vif *vif, + struct ieee80211_sta *pubsta, + struct sk_buff *skb) +{ + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_txq *txq = NULL; + + if ((info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) || + (info->control.flags & IEEE80211_TX_CTRL_PS_RESPONSE)) + return NULL; + + if (!ieee80211_is_data(hdr->frame_control)) + return NULL; + + if (pubsta) { + u8 tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK; + + txq = pubsta->txq[tid]; + } else if (vif) { + txq = vif->txq; + } + + if (!txq) + return NULL; + + return to_txq_info(txq); +} + static ieee80211_tx_result debug_noinline ieee80211_tx_h_sequence(struct ieee80211_tx_data *tx) { @@ -853,7 +883,8 @@ ieee80211_tx_h_sequence(struct ieee80211_tx_data *tx) tid = *qc & IEEE80211_QOS_CTL_TID_MASK; tx->sta->tx_stats.msdu[tid]++; - if (!tx->sta->sta.txq[0]) + if (!ieee80211_get_txq(tx->local, info->control.vif, &tx->sta->sta, + tx->skb)) hdr->seq_ctrl = ieee80211_tx_next_seq(tx->sta, tid); return TX_CONTINUE; @@ -1243,36 +1274,6 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata, return TX_CONTINUE; } -static struct txq_info *ieee80211_get_txq(struct ieee80211_local *local, - struct ieee80211_vif *vif, - struct ieee80211_sta *pubsta, - struct sk_buff *skb) -{ - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - struct ieee80211_txq *txq = NULL; - - if ((info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) || - (info->control.flags & IEEE80211_TX_CTRL_PS_RESPONSE)) - return NULL; - - if (!ieee80211_is_data(hdr->frame_control)) - return NULL; - - if (pubsta) { - u8 tid = skb->priority & IEEE80211_QOS_CTL_TID_MASK; - - txq = pubsta->txq[tid]; - } else if (vif) { - txq = vif->txq; - } - - if (!txq) - return NULL; - - return to_txq_info(txq); -} - static void ieee80211_set_skb_enqueue_time(struct sk_buff *skb) { IEEE80211_SKB_CB(skb)->control.enqueue_time = codel_get_time(); @@ -1514,8 +1515,12 @@ out: spin_unlock_bh(&fq->lock); if (skb && skb_has_frag_list(skb) && - !ieee80211_hw_check(&local->hw, TX_FRAG_LIST)) - skb_linearize(skb); + !ieee80211_hw_check(&local->hw, TX_FRAG_LIST)) { + if (skb_linearize(skb)) { + ieee80211_free_txskb(&local->hw, skb); + return NULL; + } + } return skb; } @@ -3264,7 +3269,7 @@ static bool ieee80211_xmit_fast(struct ieee80211_sub_if_data *sdata, if (hdr->frame_control & cpu_to_le16(IEEE80211_STYPE_QOS_DATA)) { *ieee80211_get_qos_ctl(hdr) = tid; - if (!sta->sta.txq[0]) + if (!ieee80211_get_txq(local, &sdata->vif, &sta->sta, skb)) hdr->seq_ctrl = ieee80211_tx_next_seq(sta, tid); } else { info->flags |= IEEE80211_TX_CTL_ASSIGN_SEQ; diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index dd2c43abf9e2..9934b0c93c1e 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -1035,9 +1035,9 @@ init_conntrack(struct net *net, struct nf_conn *tmpl, if (IS_ERR(ct)) return (struct nf_conntrack_tuple_hash *)ct; - if (tmpl && nfct_synproxy(tmpl)) { - nfct_seqadj_ext_add(ct); - nfct_synproxy_ext_add(ct); + if (!nf_ct_add_synproxy(ct, tmpl)) { + nf_conntrack_free(ct); + return ERR_PTR(-ENOMEM); } timeout_ext = tmpl ? nf_ct_timeout_find(tmpl) : NULL; diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c index de31818417b8..ecee105bbada 100644 --- a/net/netfilter/nf_nat_core.c +++ b/net/netfilter/nf_nat_core.c @@ -441,7 +441,8 @@ nf_nat_setup_info(struct nf_conn *ct, ct->status |= IPS_DST_NAT; if (nfct_help(ct)) - nfct_seqadj_ext_add(ct); + if (!nfct_seqadj_ext_add(ct)) + return NF_DROP; } if (maniptype == NF_NAT_MANIP_SRC) { @@ -807,7 +808,7 @@ nfnetlink_parse_nat_setup(struct nf_conn *ct, if (err < 0) return err; - return nf_nat_setup_info(ct, &range, manip); + return nf_nat_setup_info(ct, &range, manip) == NF_DROP ? -ENOMEM : 0; } #else static int diff --git a/net/netfilter/nf_tables_netdev.c b/net/netfilter/nf_tables_netdev.c index 5eefe4a355c6..75d696f11045 100644 --- a/net/netfilter/nf_tables_netdev.c +++ b/net/netfilter/nf_tables_netdev.c @@ -30,7 +30,6 @@ nft_netdev_set_pktinfo_ipv4(struct nft_pktinfo *pkt, if (!iph) return; - iph = ip_hdr(skb); if (iph->ihl < 5 || iph->version != 4) return; diff --git a/net/netfilter/nf_tables_trace.c b/net/netfilter/nf_tables_trace.c index 39eb1cc62e91..fa24a5b398b1 100644 --- a/net/netfilter/nf_tables_trace.c +++ b/net/netfilter/nf_tables_trace.c @@ -237,7 +237,7 @@ void nft_trace_notify(struct nft_traceinfo *info) break; case NFT_TRACETYPE_POLICY: if (nla_put_be32(skb, NFTA_TRACE_POLICY, - info->basechain->policy)) + htonl(info->basechain->policy))) goto nla_put_failure; break; } diff --git a/net/netfilter/nfnetlink_acct.c b/net/netfilter/nfnetlink_acct.c index 70eb2f6a3b01..d44d89b56127 100644 --- a/net/netfilter/nfnetlink_acct.c +++ b/net/netfilter/nfnetlink_acct.c @@ -343,12 +343,12 @@ static int nfnl_acct_del(struct net *net, struct sock *nfnl, struct sk_buff *skb, const struct nlmsghdr *nlh, const struct nlattr * const tb[]) { - char *acct_name; - struct nf_acct *cur; + struct nf_acct *cur, *tmp; int ret = -ENOENT; + char *acct_name; if (!tb[NFACCT_NAME]) { - list_for_each_entry(cur, &net->nfnl_acct_list, head) + list_for_each_entry_safe(cur, tmp, &net->nfnl_acct_list, head) nfnl_acct_try_del(cur); return 0; diff --git a/net/netfilter/nfnetlink_cttimeout.c b/net/netfilter/nfnetlink_cttimeout.c index 68216cdc7083..139e0867e56e 100644 --- a/net/netfilter/nfnetlink_cttimeout.c +++ b/net/netfilter/nfnetlink_cttimeout.c @@ -98,31 +98,28 @@ static int cttimeout_new_timeout(struct net *net, struct sock *ctnl, break; } - l4proto = nf_ct_l4proto_find_get(l3num, l4num); - - /* This protocol is not supportted, skip. */ - if (l4proto->l4proto != l4num) { - ret = -EOPNOTSUPP; - goto err_proto_put; - } - if (matching) { if (nlh->nlmsg_flags & NLM_F_REPLACE) { /* You cannot replace one timeout policy by another of * different kind, sorry. */ if (matching->l3num != l3num || - matching->l4proto->l4proto != l4num) { - ret = -EINVAL; - goto err_proto_put; - } - - ret = ctnl_timeout_parse_policy(&matching->data, - l4proto, net, - cda[CTA_TIMEOUT_DATA]); - return ret; + matching->l4proto->l4proto != l4num) + return -EINVAL; + + return ctnl_timeout_parse_policy(&matching->data, + matching->l4proto, net, + cda[CTA_TIMEOUT_DATA]); } - ret = -EBUSY; + + return -EBUSY; + } + + l4proto = nf_ct_l4proto_find_get(l3num, l4num); + + /* This protocol is not supportted, skip. */ + if (l4proto->l4proto != l4num) { + ret = -EOPNOTSUPP; goto err_proto_put; } @@ -305,7 +302,16 @@ static void ctnl_untimeout(struct net *net, struct ctnl_timeout *timeout) const struct hlist_nulls_node *nn; unsigned int last_hsize; spinlock_t *lock; - int i; + int i, cpu; + + for_each_possible_cpu(cpu) { + struct ct_pcpu *pcpu = per_cpu_ptr(net->ct.pcpu_lists, cpu); + + spin_lock_bh(&pcpu->lock); + hlist_nulls_for_each_entry(h, nn, &pcpu->unconfirmed, hnnode) + untimeout(h, timeout); + spin_unlock_bh(&pcpu->lock); + } local_bh_disable(); restart: @@ -350,12 +356,13 @@ static int cttimeout_del_timeout(struct net *net, struct sock *ctnl, const struct nlmsghdr *nlh, const struct nlattr * const cda[]) { - struct ctnl_timeout *cur; + struct ctnl_timeout *cur, *tmp; int ret = -ENOENT; char *name; if (!cda[CTA_TIMEOUT_NAME]) { - list_for_each_entry(cur, &net->nfct_timeout_list, head) + list_for_each_entry_safe(cur, tmp, &net->nfct_timeout_list, + head) ctnl_timeout_try_del(net, cur); return 0; diff --git a/net/netfilter/nft_meta.c b/net/netfilter/nft_meta.c index 2863f3493038..8a6bc7630912 100644 --- a/net/netfilter/nft_meta.c +++ b/net/netfilter/nft_meta.c @@ -291,10 +291,16 @@ int nft_meta_get_init(const struct nft_ctx *ctx, } EXPORT_SYMBOL_GPL(nft_meta_get_init); -static int nft_meta_set_init_pkttype(const struct nft_ctx *ctx) +int nft_meta_set_validate(const struct nft_ctx *ctx, + const struct nft_expr *expr, + const struct nft_data **data) { + struct nft_meta *priv = nft_expr_priv(expr); unsigned int hooks; + if (priv->key != NFT_META_PKTTYPE) + return 0; + switch (ctx->afi->family) { case NFPROTO_BRIDGE: hooks = 1 << NF_BR_PRE_ROUTING; @@ -308,6 +314,7 @@ static int nft_meta_set_init_pkttype(const struct nft_ctx *ctx) return nft_chain_validate_hooks(ctx->chain, hooks); } +EXPORT_SYMBOL_GPL(nft_meta_set_validate); int nft_meta_set_init(const struct nft_ctx *ctx, const struct nft_expr *expr, @@ -327,15 +334,16 @@ int nft_meta_set_init(const struct nft_ctx *ctx, len = sizeof(u8); break; case NFT_META_PKTTYPE: - err = nft_meta_set_init_pkttype(ctx); - if (err) - return err; len = sizeof(u8); break; default: return -EOPNOTSUPP; } + err = nft_meta_set_validate(ctx, expr, NULL); + if (err < 0) + return err; + priv->sreg = nft_parse_register(tb[NFTA_META_SREG]); err = nft_validate_register_load(priv->sreg, len); if (err < 0) @@ -407,6 +415,7 @@ static const struct nft_expr_ops nft_meta_set_ops = { .init = nft_meta_set_init, .destroy = nft_meta_set_destroy, .dump = nft_meta_set_dump, + .validate = nft_meta_set_validate, }; static const struct nft_expr_ops * diff --git a/net/netfilter/nft_reject.c b/net/netfilter/nft_reject.c index 0522fc9bfb0a..c64de3f7379d 100644 --- a/net/netfilter/nft_reject.c +++ b/net/netfilter/nft_reject.c @@ -26,11 +26,27 @@ const struct nla_policy nft_reject_policy[NFTA_REJECT_MAX + 1] = { }; EXPORT_SYMBOL_GPL(nft_reject_policy); +int nft_reject_validate(const struct nft_ctx *ctx, + const struct nft_expr *expr, + const struct nft_data **data) +{ + return nft_chain_validate_hooks(ctx->chain, + (1 << NF_INET_LOCAL_IN) | + (1 << NF_INET_FORWARD) | + (1 << NF_INET_LOCAL_OUT)); +} +EXPORT_SYMBOL_GPL(nft_reject_validate); + int nft_reject_init(const struct nft_ctx *ctx, const struct nft_expr *expr, const struct nlattr * const tb[]) { struct nft_reject *priv = nft_expr_priv(expr); + int err; + + err = nft_reject_validate(ctx, expr, NULL); + if (err < 0) + return err; if (tb[NFTA_REJECT_TYPE] == NULL) return -EINVAL; diff --git a/net/netfilter/nft_reject_inet.c b/net/netfilter/nft_reject_inet.c index 759ca5248a3d..e79d9ca2ffee 100644 --- a/net/netfilter/nft_reject_inet.c +++ b/net/netfilter/nft_reject_inet.c @@ -66,7 +66,11 @@ static int nft_reject_inet_init(const struct nft_ctx *ctx, const struct nlattr * const tb[]) { struct nft_reject *priv = nft_expr_priv(expr); - int icmp_code; + int icmp_code, err; + + err = nft_reject_validate(ctx, expr, NULL); + if (err < 0) + return err; if (tb[NFTA_REJECT_TYPE] == NULL) return -EINVAL; @@ -124,6 +128,7 @@ static const struct nft_expr_ops nft_reject_inet_ops = { .eval = nft_reject_inet_eval, .init = nft_reject_inet_init, .dump = nft_reject_inet_dump, + .validate = nft_reject_validate, }; static struct nft_expr_type nft_reject_inet_type __read_mostly = { diff --git a/net/sctp/input.c b/net/sctp/input.c index 69444d32ecda..1555fb8c68e0 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -796,27 +796,34 @@ struct sctp_hash_cmp_arg { static inline int sctp_hash_cmp(struct rhashtable_compare_arg *arg, const void *ptr) { + struct sctp_transport *t = (struct sctp_transport *)ptr; const struct sctp_hash_cmp_arg *x = arg->key; - const struct sctp_transport *t = ptr; - struct sctp_association *asoc = t->asoc; - const struct net *net = x->net; + struct sctp_association *asoc; + int err = 1; if (!sctp_cmp_addr_exact(&t->ipaddr, x->paddr)) - return 1; - if (!net_eq(sock_net(asoc->base.sk), net)) - return 1; + return err; + if (!sctp_transport_hold(t)) + return err; + + asoc = t->asoc; + if (!net_eq(sock_net(asoc->base.sk), x->net)) + goto out; if (x->ep) { if (x->ep != asoc->ep) - return 1; + goto out; } else { if (x->laddr->v4.sin_port != htons(asoc->base.bind_addr.port)) - return 1; + goto out; if (!sctp_bind_addr_match(&asoc->base.bind_addr, x->laddr, sctp_sk(asoc->base.sk))) - return 1; + goto out; } - return 0; + err = 0; +out: + sctp_transport_put(t); + return err; } static inline u32 sctp_hash_obj(const void *data, u32 len, u32 seed) diff --git a/net/sctp/output.c b/net/sctp/output.c index 1f1682b9a6a8..31b7bc35895d 100644 --- a/net/sctp/output.c +++ b/net/sctp/output.c @@ -878,7 +878,7 @@ static sctp_xmit_t sctp_packet_will_fit(struct sctp_packet *packet, struct sctp_chunk *chunk, u16 chunk_len) { - size_t psize, pmtu; + size_t psize, pmtu, maxsize; sctp_xmit_t retval = SCTP_XMIT_OK; psize = packet->size; @@ -906,6 +906,17 @@ static sctp_xmit_t sctp_packet_will_fit(struct sctp_packet *packet, goto out; } + /* Similarly, if this chunk was built before a PMTU + * reduction, we have to fragment it at IP level now. So + * if the packet already contains something, we need to + * flush. + */ + maxsize = pmtu - packet->overhead; + if (packet->auth) + maxsize -= WORD_ROUND(packet->auth->skb->len); + if (chunk_len > maxsize) + retval = SCTP_XMIT_PMTU_FULL; + /* It is also okay to fragment if the chunk we are * adding is a control chunk, but only if current packet * is not a GSO one otherwise it causes fragmentation of diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c index 1d281816f2bf..d8582028b346 100644 --- a/net/sunrpc/auth_gss/svcauth_gss.c +++ b/net/sunrpc/auth_gss/svcauth_gss.c @@ -569,9 +569,10 @@ gss_svc_searchbyctx(struct cache_detail *cd, struct xdr_netobj *handle) struct rsc *found; memset(&rsci, 0, sizeof(rsci)); - rsci.handle.data = handle->data; - rsci.handle.len = handle->len; + if (dup_to_netobj(&rsci.handle, handle->data, handle->len)) + return NULL; found = rsc_lookup(cd, &rsci); + rsc_free(&rsci); if (!found) return NULL; if (cache_check(cd, &found->h, NULL)) diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 536d0be3f61b..799cce6cbe45 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -51,6 +51,7 @@ #include <linux/slab.h> #include <linux/prefetch.h> #include <linux/sunrpc/addr.h> +#include <linux/sunrpc/svc_rdma.h> #include <asm/bitops.h> #include <linux/module.h> /* try_module_get()/module_put() */ @@ -923,7 +924,7 @@ rpcrdma_buffer_create(struct rpcrdma_xprt *r_xprt) } INIT_LIST_HEAD(&buf->rb_recv_bufs); - for (i = 0; i < buf->rb_max_requests; i++) { + for (i = 0; i < buf->rb_max_requests + RPCRDMA_MAX_BC_REQUESTS; i++) { struct rpcrdma_rep *rep; rep = rpcrdma_create_rep(r_xprt); @@ -1018,6 +1019,7 @@ rpcrdma_buffer_destroy(struct rpcrdma_buffer *buf) rep = rpcrdma_buffer_get_rep_locked(buf); rpcrdma_destroy_rep(ia, rep); } + buf->rb_send_count = 0; spin_lock(&buf->rb_reqslock); while (!list_empty(&buf->rb_allreqs)) { @@ -1032,6 +1034,7 @@ rpcrdma_buffer_destroy(struct rpcrdma_buffer *buf) spin_lock(&buf->rb_reqslock); } spin_unlock(&buf->rb_reqslock); + buf->rb_recv_count = 0; rpcrdma_destroy_mrs(buf); } @@ -1074,8 +1077,27 @@ rpcrdma_put_mw(struct rpcrdma_xprt *r_xprt, struct rpcrdma_mw *mw) spin_unlock(&buf->rb_mwlock); } +static struct rpcrdma_rep * +rpcrdma_buffer_get_rep(struct rpcrdma_buffer *buffers) +{ + /* If an RPC previously completed without a reply (say, a + * credential problem or a soft timeout occurs) then hold off + * on supplying more Receive buffers until the number of new + * pending RPCs catches up to the number of posted Receives. + */ + if (unlikely(buffers->rb_send_count < buffers->rb_recv_count)) + return NULL; + + if (unlikely(list_empty(&buffers->rb_recv_bufs))) + return NULL; + buffers->rb_recv_count++; + return rpcrdma_buffer_get_rep_locked(buffers); +} + /* * Get a set of request/reply buffers. + * + * Reply buffer (if available) is attached to send buffer upon return. */ struct rpcrdma_req * rpcrdma_buffer_get(struct rpcrdma_buffer *buffers) @@ -1085,21 +1107,15 @@ rpcrdma_buffer_get(struct rpcrdma_buffer *buffers) spin_lock(&buffers->rb_lock); if (list_empty(&buffers->rb_send_bufs)) goto out_reqbuf; + buffers->rb_send_count++; req = rpcrdma_buffer_get_req_locked(buffers); - if (list_empty(&buffers->rb_recv_bufs)) - goto out_repbuf; - req->rl_reply = rpcrdma_buffer_get_rep_locked(buffers); + req->rl_reply = rpcrdma_buffer_get_rep(buffers); spin_unlock(&buffers->rb_lock); return req; out_reqbuf: spin_unlock(&buffers->rb_lock); - pr_warn("rpcrdma: out of request buffers (%p)\n", buffers); - return NULL; -out_repbuf: - list_add(&req->rl_free, &buffers->rb_send_bufs); - spin_unlock(&buffers->rb_lock); - pr_warn("rpcrdma: out of reply buffers (%p)\n", buffers); + pr_warn("RPC: %s: out of request buffers\n", __func__); return NULL; } @@ -1117,9 +1133,12 @@ rpcrdma_buffer_put(struct rpcrdma_req *req) req->rl_reply = NULL; spin_lock(&buffers->rb_lock); + buffers->rb_send_count--; list_add_tail(&req->rl_free, &buffers->rb_send_bufs); - if (rep) + if (rep) { + buffers->rb_recv_count--; list_add_tail(&rep->rr_list, &buffers->rb_recv_bufs); + } spin_unlock(&buffers->rb_lock); } @@ -1133,8 +1152,7 @@ rpcrdma_recv_buffer_get(struct rpcrdma_req *req) struct rpcrdma_buffer *buffers = req->rl_buffer; spin_lock(&buffers->rb_lock); - if (!list_empty(&buffers->rb_recv_bufs)) - req->rl_reply = rpcrdma_buffer_get_rep_locked(buffers); + req->rl_reply = rpcrdma_buffer_get_rep(buffers); spin_unlock(&buffers->rb_lock); } @@ -1148,6 +1166,7 @@ rpcrdma_recv_buffer_put(struct rpcrdma_rep *rep) struct rpcrdma_buffer *buffers = &rep->rr_rxprt->rx_buf; spin_lock(&buffers->rb_lock); + buffers->rb_recv_count--; list_add_tail(&rep->rr_list, &buffers->rb_recv_bufs); spin_unlock(&buffers->rb_lock); } diff --git a/net/sunrpc/xprtrdma/xprt_rdma.h b/net/sunrpc/xprtrdma/xprt_rdma.h index 670fad57153a..a71b0f5897d8 100644 --- a/net/sunrpc/xprtrdma/xprt_rdma.h +++ b/net/sunrpc/xprtrdma/xprt_rdma.h @@ -321,6 +321,7 @@ struct rpcrdma_buffer { char *rb_pool; spinlock_t rb_lock; /* protect buf lists */ + int rb_send_count, rb_recv_count; struct list_head rb_send_bufs; struct list_head rb_recv_bufs; u32 rb_max_requests; diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 8ede3bc52481..bf168838a029 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -1074,7 +1074,7 @@ static void xs_udp_data_receive(struct sock_xprt *transport) skb = skb_recv_datagram(sk, 0, 1, &err); if (skb != NULL) { xs_udp_data_read_skb(&transport->xprt, sk, skb); - skb_free_datagram(sk, skb); + skb_free_datagram_locked(sk, skb); continue; } if (!test_and_clear_bit(XPRT_SOCK_DATA_READY, &transport->sock_state)) diff --git a/net/tipc/name_distr.c b/net/tipc/name_distr.c index 6b626a64b517..a04fe9be1c60 100644 --- a/net/tipc/name_distr.c +++ b/net/tipc/name_distr.c @@ -62,6 +62,8 @@ static void publ_to_item(struct distr_item *i, struct publication *p) /** * named_prepare_buf - allocate & initialize a publication message + * + * The buffer returned is of size INT_H_SIZE + payload size */ static struct sk_buff *named_prepare_buf(struct net *net, u32 type, u32 size, u32 dest) @@ -141,9 +143,9 @@ static void named_distribute(struct net *net, struct sk_buff_head *list, struct publication *publ; struct sk_buff *skb = NULL; struct distr_item *item = NULL; - uint msg_dsz = (tipc_node_get_mtu(net, dnode, 0) / ITEM_SIZE) * - ITEM_SIZE; - uint msg_rem = msg_dsz; + u32 msg_dsz = ((tipc_node_get_mtu(net, dnode, 0) - INT_H_SIZE) / + ITEM_SIZE) * ITEM_SIZE; + u32 msg_rem = msg_dsz; list_for_each_entry(publ, pls, local_list) { /* Prepare next buffer: */ diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index f1dffe84f0d5..8309687a56b0 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -661,11 +661,11 @@ static int unix_set_peek_off(struct sock *sk, int val) { struct unix_sock *u = unix_sk(sk); - if (mutex_lock_interruptible(&u->readlock)) + if (mutex_lock_interruptible(&u->iolock)) return -EINTR; sk->sk_peek_off = val; - mutex_unlock(&u->readlock); + mutex_unlock(&u->iolock); return 0; } @@ -779,7 +779,8 @@ static struct sock *unix_create1(struct net *net, struct socket *sock, int kern) spin_lock_init(&u->lock); atomic_long_set(&u->inflight, 0); INIT_LIST_HEAD(&u->link); - mutex_init(&u->readlock); /* single task reading lock */ + mutex_init(&u->iolock); /* single task reading lock */ + mutex_init(&u->bindlock); /* single task binding lock */ init_waitqueue_head(&u->peer_wait); init_waitqueue_func_entry(&u->peer_wake, unix_dgram_peer_wake_relay); unix_insert_socket(unix_sockets_unbound(sk), sk); @@ -848,7 +849,7 @@ static int unix_autobind(struct socket *sock) int err; unsigned int retries = 0; - err = mutex_lock_interruptible(&u->readlock); + err = mutex_lock_interruptible(&u->bindlock); if (err) return err; @@ -895,7 +896,7 @@ retry: spin_unlock(&unix_table_lock); err = 0; -out: mutex_unlock(&u->readlock); +out: mutex_unlock(&u->bindlock); return err; } @@ -954,20 +955,32 @@ fail: return NULL; } -static int unix_mknod(struct dentry *dentry, const struct path *path, umode_t mode, - struct path *res) +static int unix_mknod(const char *sun_path, umode_t mode, struct path *res) { - int err; + struct dentry *dentry; + struct path path; + int err = 0; + /* + * Get the parent directory, calculate the hash for last + * component. + */ + dentry = kern_path_create(AT_FDCWD, sun_path, &path, 0); + err = PTR_ERR(dentry); + if (IS_ERR(dentry)) + return err; - err = security_path_mknod(path, dentry, mode, 0); + /* + * All right, let's create it. + */ + err = security_path_mknod(&path, dentry, mode, 0); if (!err) { - err = vfs_mknod(d_inode(path->dentry), dentry, mode, 0); + err = vfs_mknod(d_inode(path.dentry), dentry, mode, 0); if (!err) { - res->mnt = mntget(path->mnt); + res->mnt = mntget(path.mnt); res->dentry = dget(dentry); } } - + done_path_create(&path, dentry); return err; } @@ -978,12 +991,10 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) struct unix_sock *u = unix_sk(sk); struct sockaddr_un *sunaddr = (struct sockaddr_un *)uaddr; char *sun_path = sunaddr->sun_path; - int err, name_err; + int err; unsigned int hash; struct unix_address *addr; struct hlist_head *list; - struct path path; - struct dentry *dentry; err = -EINVAL; if (sunaddr->sun_family != AF_UNIX) @@ -999,34 +1010,14 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) goto out; addr_len = err; - name_err = 0; - dentry = NULL; - if (sun_path[0]) { - /* Get the parent directory, calculate the hash for last - * component. - */ - dentry = kern_path_create(AT_FDCWD, sun_path, &path, 0); - - if (IS_ERR(dentry)) { - /* delay report until after 'already bound' check */ - name_err = PTR_ERR(dentry); - dentry = NULL; - } - } - - err = mutex_lock_interruptible(&u->readlock); + err = mutex_lock_interruptible(&u->bindlock); if (err) - goto out_path; + goto out; err = -EINVAL; if (u->addr) goto out_up; - if (name_err) { - err = name_err == -EEXIST ? -EADDRINUSE : name_err; - goto out_up; - } - err = -ENOMEM; addr = kmalloc(sizeof(*addr)+addr_len, GFP_KERNEL); if (!addr) @@ -1037,11 +1028,11 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) addr->hash = hash ^ sk->sk_type; atomic_set(&addr->refcnt, 1); - if (dentry) { - struct path u_path; + if (sun_path[0]) { + struct path path; umode_t mode = S_IFSOCK | (SOCK_INODE(sock)->i_mode & ~current_umask()); - err = unix_mknod(dentry, &path, mode, &u_path); + err = unix_mknod(sun_path, mode, &path); if (err) { if (err == -EEXIST) err = -EADDRINUSE; @@ -1049,9 +1040,9 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) goto out_up; } addr->hash = UNIX_HASH_SIZE; - hash = d_real_inode(dentry)->i_ino & (UNIX_HASH_SIZE - 1); + hash = d_real_inode(path.dentry)->i_ino & (UNIX_HASH_SIZE - 1); spin_lock(&unix_table_lock); - u->path = u_path; + u->path = path; list = &unix_socket_table[hash]; } else { spin_lock(&unix_table_lock); @@ -1073,11 +1064,7 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) out_unlock: spin_unlock(&unix_table_lock); out_up: - mutex_unlock(&u->readlock); -out_path: - if (dentry) - done_path_create(&path, dentry); - + mutex_unlock(&u->bindlock); out: return err; } @@ -1969,17 +1956,17 @@ static ssize_t unix_stream_sendpage(struct socket *socket, struct page *page, if (false) { alloc_skb: unix_state_unlock(other); - mutex_unlock(&unix_sk(other)->readlock); + mutex_unlock(&unix_sk(other)->iolock); newskb = sock_alloc_send_pskb(sk, 0, 0, flags & MSG_DONTWAIT, &err, 0); if (!newskb) goto err; } - /* we must acquire readlock as we modify already present + /* we must acquire iolock as we modify already present * skbs in the sk_receive_queue and mess with skb->len */ - err = mutex_lock_interruptible(&unix_sk(other)->readlock); + err = mutex_lock_interruptible(&unix_sk(other)->iolock); if (err) { err = flags & MSG_DONTWAIT ? -EAGAIN : -ERESTARTSYS; goto err; @@ -2046,7 +2033,7 @@ alloc_skb: } unix_state_unlock(other); - mutex_unlock(&unix_sk(other)->readlock); + mutex_unlock(&unix_sk(other)->iolock); other->sk_data_ready(other); scm_destroy(&scm); @@ -2055,7 +2042,7 @@ alloc_skb: err_state_unlock: unix_state_unlock(other); err_unlock: - mutex_unlock(&unix_sk(other)->readlock); + mutex_unlock(&unix_sk(other)->iolock); err: kfree_skb(newskb); if (send_sigpipe && !(flags & MSG_NOSIGNAL)) @@ -2123,7 +2110,7 @@ static int unix_dgram_recvmsg(struct socket *sock, struct msghdr *msg, timeo = sock_rcvtimeo(sk, flags & MSG_DONTWAIT); do { - mutex_lock(&u->readlock); + mutex_lock(&u->iolock); skip = sk_peek_offset(sk, flags); skb = __skb_try_recv_datagram(sk, flags, &peeked, &skip, &err, @@ -2131,14 +2118,14 @@ static int unix_dgram_recvmsg(struct socket *sock, struct msghdr *msg, if (skb) break; - mutex_unlock(&u->readlock); + mutex_unlock(&u->iolock); if (err != -EAGAIN) break; } while (timeo && !__skb_wait_for_more_packets(sk, &err, &timeo, last)); - if (!skb) { /* implies readlock unlocked */ + if (!skb) { /* implies iolock unlocked */ unix_state_lock(sk); /* Signal EOF on disconnected non-blocking SEQPACKET socket. */ if (sk->sk_type == SOCK_SEQPACKET && err == -EAGAIN && @@ -2203,7 +2190,7 @@ static int unix_dgram_recvmsg(struct socket *sock, struct msghdr *msg, out_free: skb_free_datagram(sk, skb); - mutex_unlock(&u->readlock); + mutex_unlock(&u->iolock); out: return err; } @@ -2298,7 +2285,7 @@ static int unix_stream_read_generic(struct unix_stream_read_state *state) /* Lock the socket to prevent queue disordering * while sleeps in memcpy_tomsg */ - mutex_lock(&u->readlock); + mutex_lock(&u->iolock); if (flags & MSG_PEEK) skip = sk_peek_offset(sk, flags); @@ -2340,7 +2327,7 @@ again: break; } - mutex_unlock(&u->readlock); + mutex_unlock(&u->iolock); timeo = unix_stream_data_wait(sk, timeo, last, last_len); @@ -2351,7 +2338,7 @@ again: goto out; } - mutex_lock(&u->readlock); + mutex_lock(&u->iolock); goto redo; unlock: unix_state_unlock(sk); @@ -2454,7 +2441,7 @@ unlock: } } while (size); - mutex_unlock(&u->readlock); + mutex_unlock(&u->iolock); if (state->msg) scm_recv(sock, state->msg, &scm, flags); else @@ -2495,9 +2482,9 @@ static ssize_t skb_unix_socket_splice(struct sock *sk, int ret; struct unix_sock *u = unix_sk(sk); - mutex_unlock(&u->readlock); + mutex_unlock(&u->iolock); ret = splice_to_pipe(pipe, spd); - mutex_lock(&u->readlock); + mutex_lock(&u->iolock); return ret; } diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index f02653a08993..4809f4d2cdcc 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -6978,7 +6978,7 @@ static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) params.n_counter_offsets_presp = len / sizeof(u16); if (rdev->wiphy.max_num_csa_counters && - (params.n_counter_offsets_beacon > + (params.n_counter_offsets_presp > rdev->wiphy.max_num_csa_counters)) return -EINVAL; diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c index dbb2738e356a..6250b1cfcde5 100644 --- a/net/wireless/wext-core.c +++ b/net/wireless/wext-core.c @@ -958,29 +958,8 @@ static int wireless_process_ioctl(struct net *net, struct ifreq *ifr, return private(dev, iwr, cmd, info, handler); } /* Old driver API : call driver ioctl handler */ - if (dev->netdev_ops->ndo_do_ioctl) { -#ifdef CONFIG_COMPAT - if (info->flags & IW_REQUEST_FLAG_COMPAT) { - int ret = 0; - struct iwreq iwr_lcl; - struct compat_iw_point *iwp_compat = (void *) &iwr->u.data; - - memcpy(&iwr_lcl, iwr, sizeof(struct iwreq)); - iwr_lcl.u.data.pointer = compat_ptr(iwp_compat->pointer); - iwr_lcl.u.data.length = iwp_compat->length; - iwr_lcl.u.data.flags = iwp_compat->flags; - - ret = dev->netdev_ops->ndo_do_ioctl(dev, (void *) &iwr_lcl, cmd); - - iwp_compat->pointer = ptr_to_compat(iwr_lcl.u.data.pointer); - iwp_compat->length = iwr_lcl.u.data.length; - iwp_compat->flags = iwr_lcl.u.data.flags; - - return ret; - } else -#endif - return dev->netdev_ops->ndo_do_ioctl(dev, ifr, cmd); - } + if (dev->netdev_ops->ndo_do_ioctl) + return dev->netdev_ops->ndo_do_ioctl(dev, ifr, cmd); return -EOPNOTSUPP; } diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c index 1c4ad477ce93..6e3f0254d8a1 100644 --- a/net/xfrm/xfrm_input.c +++ b/net/xfrm/xfrm_input.c @@ -207,15 +207,15 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type) family = XFRM_SPI_SKB_CB(skb)->family; /* if tunnel is present override skb->mark value with tunnel i_key */ - if (XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip4) { - switch (family) { - case AF_INET: + switch (family) { + case AF_INET: + if (XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip4) mark = be32_to_cpu(XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip4->parms.i_key); - break; - case AF_INET6: + break; + case AF_INET6: + if (XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6) mark = be32_to_cpu(XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6->parms.i_key); - break; - } + break; } /* Allocate new secpath or COW existing one. */ diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index b5e665b3cfb0..45f9cf97ea25 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -626,6 +626,10 @@ static void xfrm_hash_rebuild(struct work_struct *work) /* re-insert all policies by order of creation */ list_for_each_entry_reverse(policy, &net->xfrm.policy_all, walk.all) { + if (xfrm_policy_id2dir(policy->index) >= XFRM_POLICY_MAX) { + /* skip socket policies */ + continue; + } newpos = NULL; chain = policy_hash_bysel(net, &policy->selector, policy->family, diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c index 9895a8c56d8c..a30f898dc1c5 100644 --- a/net/xfrm/xfrm_state.c +++ b/net/xfrm/xfrm_state.c @@ -332,6 +332,7 @@ static void xfrm_state_gc_destroy(struct xfrm_state *x) { tasklet_hrtimer_cancel(&x->mtimer); del_timer_sync(&x->rtimer); + kfree(x->aead); kfree(x->aalg); kfree(x->ealg); kfree(x->calg); diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index d516845e16e3..08892091cfe3 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -581,9 +581,12 @@ static struct xfrm_state *xfrm_state_construct(struct net *net, if (err) goto error; - if (attrs[XFRMA_SEC_CTX] && - security_xfrm_state_alloc(x, nla_data(attrs[XFRMA_SEC_CTX]))) - goto error; + if (attrs[XFRMA_SEC_CTX]) { + err = security_xfrm_state_alloc(x, + nla_data(attrs[XFRMA_SEC_CTX])); + if (err) + goto error; + } if ((err = xfrm_alloc_replay_state_esn(&x->replay_esn, &x->preplay_esn, attrs[XFRMA_REPLAY_ESN_VAL]))) @@ -896,7 +899,8 @@ static int xfrm_dump_sa_done(struct netlink_callback *cb) struct sock *sk = cb->skb->sk; struct net *net = sock_net(sk); - xfrm_state_walk_done(walk, net); + if (cb->args[0]) + xfrm_state_walk_done(walk, net); return 0; } @@ -921,8 +925,6 @@ static int xfrm_dump_sa(struct sk_buff *skb, struct netlink_callback *cb) u8 proto = 0; int err; - cb->args[0] = 1; - err = nlmsg_parse(cb->nlh, 0, attrs, XFRMA_MAX, xfrma_policy); if (err < 0) @@ -939,6 +941,7 @@ static int xfrm_dump_sa(struct sk_buff *skb, struct netlink_callback *cb) proto = nla_get_u8(attrs[XFRMA_PROTO]); xfrm_state_walk_init(walk, proto, filter); + cb->args[0] = 1; } (void) xfrm_state_walk(net, walk, dump_one_state, &info); @@ -2051,9 +2054,6 @@ static int xfrm_add_pol_expire(struct sk_buff *skb, struct nlmsghdr *nlh, if (up->hard) { xfrm_policy_delete(xp, p->dir); xfrm_audit_policy_delete(xp, 1, true); - } else { - // reset the timers here? - WARN(1, "Don't know what to do with soft policy expire\n"); } km_policy_expired(xp, p->dir, up->hard, nlh->nlmsg_pid); @@ -2117,7 +2117,7 @@ static int xfrm_add_acquire(struct sk_buff *skb, struct nlmsghdr *nlh, err = verify_newpolicy_info(&ua->policy); if (err) - goto bad_policy; + goto free_state; /* build an XP */ xp = xfrm_policy_construct(net, &ua->policy, attrs, &err); @@ -2149,8 +2149,6 @@ static int xfrm_add_acquire(struct sk_buff *skb, struct nlmsghdr *nlh, return 0; -bad_policy: - WARN(1, "BAD policy passed\n"); free_state: kfree(x); nomem: diff --git a/scripts/faddr2line b/scripts/faddr2line new file mode 100755 index 000000000000..450b33257339 --- /dev/null +++ b/scripts/faddr2line @@ -0,0 +1,177 @@ +#!/bin/bash +# +# Translate stack dump function offsets. +# +# addr2line doesn't work with KASLR addresses. This works similarly to +# addr2line, but instead takes the 'func+0x123' format as input: +# +# $ ./scripts/faddr2line ~/k/vmlinux meminfo_proc_show+0x5/0x568 +# meminfo_proc_show+0x5/0x568: +# meminfo_proc_show at fs/proc/meminfo.c:27 +# +# If the address is part of an inlined function, the full inline call chain is +# printed: +# +# $ ./scripts/faddr2line ~/k/vmlinux native_write_msr+0x6/0x27 +# native_write_msr+0x6/0x27: +# arch_static_branch at arch/x86/include/asm/msr.h:121 +# (inlined by) static_key_false at include/linux/jump_label.h:125 +# (inlined by) native_write_msr at arch/x86/include/asm/msr.h:125 +# +# The function size after the '/' in the input is optional, but recommended. +# It's used to help disambiguate any duplicate symbol names, which can occur +# rarely. If the size is omitted for a duplicate symbol then it's possible for +# multiple code sites to be printed: +# +# $ ./scripts/faddr2line ~/k/vmlinux raw_ioctl+0x5 +# raw_ioctl+0x5/0x20: +# raw_ioctl at drivers/char/raw.c:122 +# +# raw_ioctl+0x5/0xb1: +# raw_ioctl at net/ipv4/raw.c:876 +# +# Multiple addresses can be specified on a single command line: +# +# $ ./scripts/faddr2line ~/k/vmlinux type_show+0x10/45 free_reserved_area+0x90 +# type_show+0x10/0x2d: +# type_show at drivers/video/backlight/backlight.c:213 +# +# free_reserved_area+0x90/0x123: +# free_reserved_area at mm/page_alloc.c:6429 (discriminator 2) + + +set -o errexit +set -o nounset + +command -v awk >/dev/null 2>&1 || die "awk isn't installed" +command -v readelf >/dev/null 2>&1 || die "readelf isn't installed" +command -v addr2line >/dev/null 2>&1 || die "addr2line isn't installed" + +usage() { + echo "usage: faddr2line <object file> <func+offset> <func+offset>..." >&2 + exit 1 +} + +warn() { + echo "$1" >&2 +} + +die() { + echo "ERROR: $1" >&2 + exit 1 +} + +# Try to figure out the source directory prefix so we can remove it from the +# addr2line output. HACK ALERT: This assumes that start_kernel() is in +# kernel/init.c! This only works for vmlinux. Otherwise it falls back to +# printing the absolute path. +find_dir_prefix() { + local objfile=$1 + + local start_kernel_addr=$(readelf -sW $objfile | awk '$8 == "start_kernel" {printf "0x%s", $2}') + [[ -z $start_kernel_addr ]] && return + + local file_line=$(addr2line -e $objfile $start_kernel_addr) + [[ -z $file_line ]] && return + + local prefix=${file_line%init/main.c:*} + if [[ -z $prefix ]] || [[ $prefix = $file_line ]]; then + return + fi + + DIR_PREFIX=$prefix + return 0 +} + +__faddr2line() { + local objfile=$1 + local func_addr=$2 + local dir_prefix=$3 + local print_warnings=$4 + + local func=${func_addr%+*} + local offset=${func_addr#*+} + offset=${offset%/*} + local size= + [[ $func_addr =~ "/" ]] && size=${func_addr#*/} + + if [[ -z $func ]] || [[ -z $offset ]] || [[ $func = $func_addr ]]; then + warn "bad func+offset $func_addr" + DONE=1 + return + fi + + # Go through each of the object's symbols which match the func name. + # In rare cases there might be duplicates. + while read symbol; do + local fields=($symbol) + local sym_base=0x${fields[1]} + local sym_size=${fields[2]} + local sym_type=${fields[3]} + + # calculate the address + local addr=$(($sym_base + $offset)) + if [[ -z $addr ]] || [[ $addr = 0 ]]; then + warn "bad address: $sym_base + $offset" + DONE=1 + return + fi + local hexaddr=0x$(printf %x $addr) + + # weed out non-function symbols + if [[ $sym_type != "FUNC" ]]; then + [[ $print_warnings = 1 ]] && + echo "skipping $func address at $hexaddr due to non-function symbol" + continue + fi + + # if the user provided a size, make sure it matches the symbol's size + if [[ -n $size ]] && [[ $size -ne $sym_size ]]; then + [[ $print_warnings = 1 ]] && + echo "skipping $func address at $hexaddr due to size mismatch ($size != $sym_size)" + continue; + fi + + # make sure the provided offset is within the symbol's range + if [[ $offset -gt $sym_size ]]; then + [[ $print_warnings = 1 ]] && + echo "skipping $func address at $hexaddr due to size mismatch ($offset > $sym_size)" + continue + fi + + # separate multiple entries with a blank line + [[ $FIRST = 0 ]] && echo + FIRST=0 + + local hexsize=0x$(printf %x $sym_size) + echo "$func+$offset/$hexsize:" + addr2line -fpie $objfile $hexaddr | sed "s; $dir_prefix\(\./\)*; ;" + DONE=1 + + done < <(readelf -sW $objfile | awk -v f=$func '$8 == f {print}') +} + +[[ $# -lt 2 ]] && usage + +objfile=$1 +[[ ! -f $objfile ]] && die "can't find objfile $objfile" +shift + +DIR_PREFIX=supercalifragilisticexpialidocious +find_dir_prefix $objfile + +FIRST=1 +while [[ $# -gt 0 ]]; do + func_addr=$1 + shift + + # print any matches found + DONE=0 + __faddr2line $objfile $func_addr $DIR_PREFIX 0 + + # if no match was found, print warnings + if [[ $DONE = 0 ]]; then + __faddr2line $objfile $func_addr $DIR_PREFIX 1 + warn "no match for $func_addr" + fi +done diff --git a/security/keys/encrypted-keys/encrypted.c b/security/keys/encrypted-keys/encrypted.c index 5adbfc32242f..17a06105ccb6 100644 --- a/security/keys/encrypted-keys/encrypted.c +++ b/security/keys/encrypted-keys/encrypted.c @@ -29,6 +29,7 @@ #include <linux/rcupdate.h> #include <linux/scatterlist.h> #include <linux/ctype.h> +#include <crypto/aes.h> #include <crypto/hash.h> #include <crypto/sha.h> #include <crypto/skcipher.h> @@ -478,6 +479,7 @@ static int derived_key_encrypt(struct encrypted_key_payload *epayload, struct crypto_skcipher *tfm; struct skcipher_request *req; unsigned int encrypted_datalen; + u8 iv[AES_BLOCK_SIZE]; unsigned int padlen; char pad[16]; int ret; @@ -500,8 +502,8 @@ static int derived_key_encrypt(struct encrypted_key_payload *epayload, sg_init_table(sg_out, 1); sg_set_buf(sg_out, epayload->encrypted_data, encrypted_datalen); - skcipher_request_set_crypt(req, sg_in, sg_out, encrypted_datalen, - epayload->iv); + memcpy(iv, epayload->iv, sizeof(iv)); + skcipher_request_set_crypt(req, sg_in, sg_out, encrypted_datalen, iv); ret = crypto_skcipher_encrypt(req); tfm = crypto_skcipher_reqtfm(req); skcipher_request_free(req); @@ -581,6 +583,7 @@ static int derived_key_decrypt(struct encrypted_key_payload *epayload, struct crypto_skcipher *tfm; struct skcipher_request *req; unsigned int encrypted_datalen; + u8 iv[AES_BLOCK_SIZE]; char pad[16]; int ret; @@ -599,8 +602,8 @@ static int derived_key_decrypt(struct encrypted_key_payload *epayload, epayload->decrypted_datalen); sg_set_buf(&sg_out[1], pad, sizeof pad); - skcipher_request_set_crypt(req, sg_in, sg_out, encrypted_datalen, - epayload->iv); + memcpy(iv, epayload->iv, sizeof(iv)); + skcipher_request_set_crypt(req, sg_in, sg_out, encrypted_datalen, iv); ret = crypto_skcipher_decrypt(req); tfm = crypto_skcipher_reqtfm(req); skcipher_request_free(req); diff --git a/security/tomoyo/realpath.c b/security/tomoyo/realpath.c index 5077f1968841..a97b275ca3af 100644 --- a/security/tomoyo/realpath.c +++ b/security/tomoyo/realpath.c @@ -173,7 +173,7 @@ static char *tomoyo_get_local_path(struct dentry *dentry, char * const buffer, * Use filesystem name if filesystem does not support rename() * operation. */ - if (!inode->i_op->rename && !inode->i_op->rename2) + if (!inode->i_op->rename) goto prepend_filesystem_name; } /* Prepend device name. */ @@ -283,7 +283,7 @@ char *tomoyo_realpath_from_path(const struct path *path) * or dentry without vfsmount. */ if (!path->mnt || - (!inode->i_op->rename && !inode->i_op->rename2)) + (!inode->i_op->rename)) pos = tomoyo_get_local_path(path->dentry, buf, buf_len - 1); /* Get absolute name for the rest. */ diff --git a/tools/lguest/lguest.c b/tools/lguest/lguest.c index d9836c5eb694..11c8d9bc762e 100644 --- a/tools/lguest/lguest.c +++ b/tools/lguest/lguest.c @@ -3266,6 +3266,9 @@ int main(int argc, char *argv[]) } } + /* If we exit via err(), this kills all the threads, restores tty. */ + atexit(cleanup_devices); + /* We always have a console device, and it's always device 1. */ setup_console(); @@ -3369,9 +3372,6 @@ int main(int argc, char *argv[]) /* Ensure that we terminate if a device-servicing child dies. */ signal(SIGCHLD, kill_launcher); - /* If we exit via err(), this kills all the threads, restores tty. */ - atexit(cleanup_devices); - /* If requested, chroot to a directory */ if (chroot_path) { if (chroot(chroot_path) != 0) diff --git a/tools/testing/radix-tree/Makefile b/tools/testing/radix-tree/Makefile index 3b530467148e..9d0919ed52a4 100644 --- a/tools/testing/radix-tree/Makefile +++ b/tools/testing/radix-tree/Makefile @@ -1,5 +1,5 @@ -CFLAGS += -I. -g -Wall -D_LGPL_SOURCE +CFLAGS += -I. -g -O2 -Wall -D_LGPL_SOURCE LDFLAGS += -lpthread -lurcu TARGETS = main OFILES = main.o radix-tree.o linux.o test.o tag_check.o find_next_bit.o \ diff --git a/tools/testing/radix-tree/multiorder.c b/tools/testing/radix-tree/multiorder.c index 39d9b9568fe2..05d7bc488971 100644 --- a/tools/testing/radix-tree/multiorder.c +++ b/tools/testing/radix-tree/multiorder.c @@ -124,6 +124,8 @@ static void multiorder_check(unsigned long index, int order) unsigned long i; unsigned long min = index & ~((1UL << order) - 1); unsigned long max = min + (1UL << order); + void **slot; + struct item *item2 = item_create(min); RADIX_TREE(tree, GFP_KERNEL); printf("Multiorder index %ld, order %d\n", index, order); @@ -139,13 +141,19 @@ static void multiorder_check(unsigned long index, int order) item_check_absent(&tree, i); for (i = max; i < 2*max; i++) item_check_absent(&tree, i); + for (i = min; i < max; i++) + assert(radix_tree_insert(&tree, i, item2) == -EEXIST); + + slot = radix_tree_lookup_slot(&tree, index); + free(*slot); + radix_tree_replace_slot(slot, item2); for (i = min; i < max; i++) { - static void *entry = (void *) - (0xA0 | RADIX_TREE_EXCEPTIONAL_ENTRY); - assert(radix_tree_insert(&tree, i, entry) == -EEXIST); + struct item *item = item_lookup(&tree, i); + assert(item != 0); + assert(item->index == min); } - assert(item_delete(&tree, index) != 0); + assert(item_delete(&tree, min) != 0); for (i = 0; i < 2*max; i++) item_check_absent(&tree, i); |
