diff options
| author | David S. Miller <davem@davemloft.net> | 2013-01-29 15:32:13 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-01-29 15:32:13 -0500 |
| commit | f1e7b73acc26e8908af783bcd3a9900fd80688f5 (patch) | |
| tree | 9a9382fb7f12f1889020efb4bffa3f4a88589fc5 | |
| parent | 218774dc341f219bfcf940304a081b121a0e8099 (diff) | |
| parent | fc16e884a2320198b8cb7bc2fdcf6b4485e79709 (diff) | |
| download | talos-obmc-linux-f1e7b73acc26e8908af783bcd3a9900fd80688f5.tar.gz talos-obmc-linux-f1e7b73acc26e8908af783bcd3a9900fd80688f5.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Bring in the 'net' tree so that we can get some ipv4/ipv6 bug
fixes that some net-next work will build upon.
Signed-off-by: David S. Miller <davem@davemloft.net>
393 files changed, 3572 insertions, 1814 deletions
diff --git a/Documentation/device-mapper/dm-raid.txt b/Documentation/device-mapper/dm-raid.txt index 728c38c242d6..56fb62b09fc5 100644 --- a/Documentation/device-mapper/dm-raid.txt +++ b/Documentation/device-mapper/dm-raid.txt @@ -141,3 +141,4 @@ Version History 1.2.0 Handle creation of arrays that contain failed devices. 1.3.0 Added support for RAID 10 1.3.1 Allow device replacement/rebuild for RAID 10 +1.3.2 Fix/improve redundancy checking for RAID10 diff --git a/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt index 3a268127b054..bc50899e0c81 100644 --- a/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt @@ -81,7 +81,8 @@ PA31 TXD4 Required properties for pin configuration node: - atmel,pins: 4 integers array, represents a group of pins mux and config setting. The format is atmel,pins = <PIN_BANK PIN_BANK_NUM PERIPH CONFIG>. - The PERIPH 0 means gpio. + The PERIPH 0 means gpio, PERIPH 1 is periph A, PERIPH 2 is periph B... + PIN_BANK 0 is pioA, PIN_BANK 1 is pioB... Bits used for CONFIG: PULL_UP (1 << 0): indicate this pin need a pull up. @@ -126,7 +127,7 @@ pinctrl@fffff400 { pinctrl_dbgu: dbgu-0 { atmel,pins = <1 14 0x1 0x0 /* PB14 periph A */ - 1 15 0x1 0x1>; /* PB15 periph with pullup */ + 1 15 0x1 0x1>; /* PB15 periph A with pullup */ }; }; }; diff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt index 8fbd8b46ee34..dcf338e62b71 100644 --- a/Documentation/filesystems/f2fs.txt +++ b/Documentation/filesystems/f2fs.txt @@ -175,9 +175,9 @@ consists of multiple segments as described below. align with the zone size <-| |-> align with the segment size _________________________________________________________________________ - | | | Node | Segment | Segment | | - | Superblock | Checkpoint | Address | Info. | Summary | Main | - | (SB) | (CP) | Table (NAT) | Table (SIT) | Area (SSA) | | + | | | Segment | Node | Segment | | + | Superblock | Checkpoint | Info. | Address | Summary | Main | + | (SB) | (CP) | Table (SIT) | Table (NAT) | Area (SSA) | | |____________|_____2______|______N______|______N______|______N_____|__N___| . . . . @@ -200,14 +200,14 @@ consists of multiple segments as described below. : It contains file system information, bitmaps for valid NAT/SIT sets, orphan inode lists, and summary entries of current active segments. -- Node Address Table (NAT) - : It is composed of a block address table for all the node blocks stored in - Main area. - - Segment Information Table (SIT) : It contains segment information such as valid block count and bitmap for the validity of all the blocks. +- Node Address Table (NAT) + : It is composed of a block address table for all the node blocks stored in + Main area. + - Segment Summary Area (SSA) : It contains summary entries which contains the owner information of all the data and node blocks stored in Main area. @@ -236,13 +236,13 @@ For file system consistency, each CP points to which NAT and SIT copies are valid, as shown as below. +--------+----------+---------+ - | CP | NAT | SIT | + | CP | SIT | NAT | +--------+----------+---------+ . . . . . . . . . . . . +-------+-------+--------+--------+--------+--------+ - | CP #0 | CP #1 | NAT #0 | NAT #1 | SIT #0 | SIT #1 | + | CP #0 | CP #1 | SIT #0 | SIT #1 | NAT #0 | NAT #1 | +-------+-------+--------+--------+--------+--------+ | ^ ^ | | | diff --git a/MAINTAINERS b/MAINTAINERS index a7aadea909df..b5ab4d9a48a7 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1972,9 +1972,9 @@ S: Maintained F: drivers/usb/host/ohci-ep93xx.c CIRRUS LOGIC CS4270 SOUND DRIVER -M: Timur Tabi <timur@freescale.com> +M: Timur Tabi <timur@tabi.org> L: alsa-devel@alsa-project.org (moderated for non-subscribers) -S: Supported +S: Odd Fixes F: sound/soc/codecs/cs4270* CLEANCACHE API @@ -2966,7 +2966,7 @@ S: Maintained F: drivers/net/ethernet/i825xx/eexpress.* ETHERNET BRIDGE -M: Stephen Hemminger <shemminger@vyatta.com> +M: Stephen Hemminger <stephen@networkplumber.org> L: bridge@lists.linux-foundation.org L: netdev@vger.kernel.org W: http://www.linuxfoundation.org/en/Net:Bridge @@ -3186,9 +3186,9 @@ F: include/uapi/video/ F: include/uapi/linux/fb.h FREESCALE DIU FRAMEBUFFER DRIVER -M: Timur Tabi <timur@freescale.com> +M: Timur Tabi <timur@tabi.org> L: linux-fbdev@vger.kernel.org -S: Supported +S: Maintained F: drivers/video/fsl-diu-fb.* FREESCALE DMA DRIVER @@ -3223,9 +3223,8 @@ F: drivers/net/ethernet/freescale/fs_enet/ F: include/linux/fs_enet_pd.h FREESCALE QUICC ENGINE LIBRARY -M: Timur Tabi <timur@freescale.com> L: linuxppc-dev@lists.ozlabs.org -S: Supported +S: Orphan F: arch/powerpc/sysdev/qe_lib/ F: arch/powerpc/include/asm/*qe.h @@ -3244,16 +3243,16 @@ S: Maintained F: drivers/net/ethernet/freescale/ucc_geth* FREESCALE QUICC ENGINE UCC UART DRIVER -M: Timur Tabi <timur@freescale.com> +M: Timur Tabi <timur@tabi.org> L: linuxppc-dev@lists.ozlabs.org -S: Supported +S: Maintained F: drivers/tty/serial/ucc_uart.c FREESCALE SOC SOUND DRIVERS -M: Timur Tabi <timur@freescale.com> +M: Timur Tabi <timur@tabi.org> L: alsa-devel@alsa-project.org (moderated for non-subscribers) L: linuxppc-dev@lists.ozlabs.org -S: Supported +S: Maintained F: sound/soc/fsl/fsl* F: sound/soc/fsl/mpc8610_hpcd.c @@ -4901,7 +4900,7 @@ S: Maintained MARVELL GIGABIT ETHERNET DRIVERS (skge/sky2) M: Mirko Lindner <mlindner@marvell.com> -M: Stephen Hemminger <shemminger@vyatta.com> +M: Stephen Hemminger <stephen@networkplumber.org> L: netdev@vger.kernel.org S: Maintained F: drivers/net/ethernet/marvell/sk* @@ -5176,7 +5175,7 @@ S: Supported F: drivers/infiniband/hw/nes/ NETEM NETWORK EMULATOR -M: Stephen Hemminger <shemminger@vyatta.com> +M: Stephen Hemminger <stephen@networkplumber.org> L: netem@lists.linux-foundation.org S: Maintained F: net/sched/sch_netem.c @@ -6574,7 +6573,7 @@ F: drivers/media/platform/s3c-camif/ F: include/media/s3c_camif.h SERIAL DRIVERS -M: Alan Cox <alan@linux.intel.com> +M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> L: linux-serial@vger.kernel.org S: Maintained F: drivers/tty/serial @@ -1,7 +1,7 @@ VERSION = 3 PATCHLEVEL = 8 SUBLEVEL = 0 -EXTRAVERSION = -rc3 +EXTRAVERSION = -rc5 NAME = Terrified Chipmunk # *DOCUMENTATION* @@ -169,7 +169,7 @@ SUBARCH := $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \ -e s/arm.*/arm/ -e s/sa110/arm/ \ -e s/s390x/s390/ -e s/parisc64/parisc/ \ -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \ - -e s/sh[234].*/sh/ ) + -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ ) # Cross compiling and selecting different set of gcc/bin-utils # --------------------------------------------------------------------------- diff --git a/arch/arm/boot/dts/armada-370-db.dts b/arch/arm/boot/dts/armada-370-db.dts index 00044026ef1f..9b82facb2561 100644 --- a/arch/arm/boot/dts/armada-370-db.dts +++ b/arch/arm/boot/dts/armada-370-db.dts @@ -26,7 +26,7 @@ memory { device_type = "memory"; - reg = <0x00000000 0x20000000>; /* 512 MB */ + reg = <0x00000000 0x40000000>; /* 1 GB */ }; soc { diff --git a/arch/arm/boot/dts/armada-xp-mv78230.dtsi b/arch/arm/boot/dts/armada-xp-mv78230.dtsi index 271855a6e224..e041f42ed711 100644 --- a/arch/arm/boot/dts/armada-xp-mv78230.dtsi +++ b/arch/arm/boot/dts/armada-xp-mv78230.dtsi @@ -50,27 +50,25 @@ }; gpio0: gpio@d0018100 { - compatible = "marvell,armadaxp-gpio"; - reg = <0xd0018100 0x40>, - <0xd0018800 0x30>; + compatible = "marvell,orion-gpio"; + reg = <0xd0018100 0x40>; ngpios = <32>; gpio-controller; #gpio-cells = <2>; interrupt-controller; #interrupts-cells = <2>; - interrupts = <16>, <17>, <18>, <19>; + interrupts = <82>, <83>, <84>, <85>; }; gpio1: gpio@d0018140 { - compatible = "marvell,armadaxp-gpio"; - reg = <0xd0018140 0x40>, - <0xd0018840 0x30>; + compatible = "marvell,orion-gpio"; + reg = <0xd0018140 0x40>; ngpios = <17>; gpio-controller; #gpio-cells = <2>; interrupt-controller; #interrupts-cells = <2>; - interrupts = <20>, <21>, <22>; + interrupts = <87>, <88>, <89>; }; }; }; diff --git a/arch/arm/boot/dts/armada-xp-mv78260.dtsi b/arch/arm/boot/dts/armada-xp-mv78260.dtsi index 1c1937dbce73..9e23bd8c9536 100644 --- a/arch/arm/boot/dts/armada-xp-mv78260.dtsi +++ b/arch/arm/boot/dts/armada-xp-mv78260.dtsi @@ -51,39 +51,36 @@ }; gpio0: gpio@d0018100 { - compatible = "marvell,armadaxp-gpio"; - reg = <0xd0018100 0x40>, - <0xd0018800 0x30>; + compatible = "marvell,orion-gpio"; + reg = <0xd0018100 0x40>; ngpios = <32>; gpio-controller; #gpio-cells = <2>; interrupt-controller; #interrupts-cells = <2>; - interrupts = <16>, <17>, <18>, <19>; + interrupts = <82>, <83>, <84>, <85>; }; gpio1: gpio@d0018140 { - compatible = "marvell,armadaxp-gpio"; - reg = <0xd0018140 0x40>, - <0xd0018840 0x30>; + compatible = "marvell,orion-gpio"; + reg = <0xd0018140 0x40>; ngpios = <32>; gpio-controller; #gpio-cells = <2>; interrupt-controller; #interrupts-cells = <2>; - interrupts = <20>, <21>, <22>, <23>; + interrupts = <87>, <88>, <89>, <90>; }; gpio2: gpio@d0018180 { - compatible = "marvell,armadaxp-gpio"; - reg = <0xd0018180 0x40>, - <0xd0018870 0x30>; + compatible = "marvell,orion-gpio"; + reg = <0xd0018180 0x40>; ngpios = <3>; gpio-controller; #gpio-cells = <2>; interrupt-controller; #interrupts-cells = <2>; - interrupts = <24>; + interrupts = <91>; }; ethernet@d0034000 { diff --git a/arch/arm/boot/dts/armada-xp-mv78460.dtsi b/arch/arm/boot/dts/armada-xp-mv78460.dtsi index 4905cf3a5ef8..965966110e38 100644 --- a/arch/arm/boot/dts/armada-xp-mv78460.dtsi +++ b/arch/arm/boot/dts/armada-xp-mv78460.dtsi @@ -66,39 +66,36 @@ }; gpio0: gpio@d0018100 { - compatible = "marvell,armadaxp-gpio"; - reg = <0xd0018100 0x40>, - <0xd0018800 0x30>; + compatible = "marvell,orion-gpio"; + reg = <0xd0018100 0x40>; ngpios = <32>; gpio-controller; #gpio-cells = <2>; interrupt-controller; #interrupts-cells = <2>; - interrupts = <16>, <17>, <18>, <19>; + interrupts = <82>, <83>, <84>, <85>; }; gpio1: gpio@d0018140 { - compatible = "marvell,armadaxp-gpio"; - reg = <0xd0018140 0x40>, - <0xd0018840 0x30>; + compatible = "marvell,orion-gpio"; + reg = <0xd0018140 0x40>; ngpios = <32>; gpio-controller; #gpio-cells = <2>; interrupt-controller; #interrupts-cells = <2>; - interrupts = <20>, <21>, <22>, <23>; + interrupts = <87>, <88>, <89>, <90>; }; gpio2: gpio@d0018180 { - compatible = "marvell,armadaxp-gpio"; - reg = <0xd0018180 0x40>, - <0xd0018870 0x30>; + compatible = "marvell,orion-gpio"; + reg = <0xd0018180 0x40>; ngpios = <3>; gpio-controller; #gpio-cells = <2>; interrupt-controller; #interrupts-cells = <2>; - interrupts = <24>; + interrupts = <91>; }; ethernet@d0034000 { diff --git a/arch/arm/boot/dts/at91rm9200.dtsi b/arch/arm/boot/dts/at91rm9200.dtsi index e154f242c680..222047f1ece9 100644 --- a/arch/arm/boot/dts/at91rm9200.dtsi +++ b/arch/arm/boot/dts/at91rm9200.dtsi @@ -336,8 +336,8 @@ i2c@0 { compatible = "i2c-gpio"; - gpios = <&pioA 23 0 /* sda */ - &pioA 24 0 /* scl */ + gpios = <&pioA 25 0 /* sda */ + &pioA 26 0 /* scl */ >; i2c-gpio,sda-open-drain; i2c-gpio,scl-open-drain; diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi index 68bccf41a2c6..cb7bcc51608d 100644 --- a/arch/arm/boot/dts/at91sam9260.dtsi +++ b/arch/arm/boot/dts/at91sam9260.dtsi @@ -306,6 +306,22 @@ }; }; + ssc0 { + pinctrl_ssc0_tx: ssc0_tx-0 { + atmel,pins = + <1 16 0x1 0x0 /* PB16 periph A */ + 1 17 0x1 0x0 /* PB17 periph A */ + 1 18 0x1 0x0>; /* PB18 periph A */ + }; + + pinctrl_ssc0_rx: ssc0_rx-0 { + atmel,pins = + <1 19 0x1 0x0 /* PB19 periph A */ + 1 20 0x1 0x0 /* PB20 periph A */ + 1 21 0x1 0x0>; /* PB21 periph A */ + }; + }; + pioA: gpio@fffff400 { compatible = "atmel,at91rm9200-gpio"; reg = <0xfffff400 0x200>; @@ -450,6 +466,8 @@ compatible = "atmel,at91rm9200-ssc"; reg = <0xfffbc000 0x4000>; interrupts = <14 4 5>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/at91sam9263.dtsi b/arch/arm/boot/dts/at91sam9263.dtsi index 32ec62cf5385..271d4de026e9 100644 --- a/arch/arm/boot/dts/at91sam9263.dtsi +++ b/arch/arm/boot/dts/at91sam9263.dtsi @@ -271,6 +271,38 @@ }; }; + ssc0 { + pinctrl_ssc0_tx: ssc0_tx-0 { + atmel,pins = + <1 0 0x2 0x0 /* PB0 periph B */ + 1 1 0x2 0x0 /* PB1 periph B */ + 1 2 0x2 0x0>; /* PB2 periph B */ + }; + + pinctrl_ssc0_rx: ssc0_rx-0 { + atmel,pins = + <1 3 0x2 0x0 /* PB3 periph B */ + 1 4 0x2 0x0 /* PB4 periph B */ + 1 5 0x2 0x0>; /* PB5 periph B */ + }; + }; + + ssc1 { + pinctrl_ssc1_tx: ssc1_tx-0 { + atmel,pins = + <1 6 0x1 0x0 /* PB6 periph A */ + 1 7 0x1 0x0 /* PB7 periph A */ + 1 8 0x1 0x0>; /* PB8 periph A */ + }; + + pinctrl_ssc1_rx: ssc1_rx-0 { + atmel,pins = + <1 9 0x1 0x0 /* PB9 periph A */ + 1 10 0x1 0x0 /* PB10 periph A */ + 1 11 0x1 0x0>; /* PB11 periph A */ + }; + }; + pioA: gpio@fffff200 { compatible = "atmel,at91rm9200-gpio"; reg = <0xfffff200 0x200>; @@ -368,6 +400,8 @@ compatible = "atmel,at91rm9200-ssc"; reg = <0xfff98000 0x4000>; interrupts = <16 4 5>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>; status = "disabled"; }; @@ -375,6 +409,8 @@ compatible = "atmel,at91rm9200-ssc"; reg = <0xfff9c000 0x4000>; interrupts = <17 4 5>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ssc1_tx &pinctrl_ssc1_rx>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi index 231858ffd850..6b1d4cab24c2 100644 --- a/arch/arm/boot/dts/at91sam9g45.dtsi +++ b/arch/arm/boot/dts/at91sam9g45.dtsi @@ -290,6 +290,38 @@ }; }; + ssc0 { + pinctrl_ssc0_tx: ssc0_tx-0 { + atmel,pins = + <3 0 0x1 0x0 /* PD0 periph A */ + 3 1 0x1 0x0 /* PD1 periph A */ + 3 2 0x1 0x0>; /* PD2 periph A */ + }; + + pinctrl_ssc0_rx: ssc0_rx-0 { + atmel,pins = + <3 3 0x1 0x0 /* PD3 periph A */ + 3 4 0x1 0x0 /* PD4 periph A */ + 3 5 0x1 0x0>; /* PD5 periph A */ + }; + }; + + ssc1 { + pinctrl_ssc1_tx: ssc1_tx-0 { + atmel,pins = + <3 10 0x1 0x0 /* PD10 periph A */ + 3 11 0x1 0x0 /* PD11 periph A */ + 3 12 0x1 0x0>; /* PD12 periph A */ + }; + + pinctrl_ssc1_rx: ssc1_rx-0 { + atmel,pins = + <3 13 0x1 0x0 /* PD13 periph A */ + 3 14 0x1 0x0 /* PD14 periph A */ + 3 15 0x1 0x0>; /* PD15 periph A */ + }; + }; + pioA: gpio@fffff200 { compatible = "atmel,at91rm9200-gpio"; reg = <0xfffff200 0x200>; @@ -425,6 +457,8 @@ compatible = "atmel,at91sam9g45-ssc"; reg = <0xfff9c000 0x4000>; interrupts = <16 4 5>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>; status = "disabled"; }; @@ -432,6 +466,8 @@ compatible = "atmel,at91sam9g45-ssc"; reg = <0xfffa0000 0x4000>; interrupts = <17 4 5>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ssc1_tx &pinctrl_ssc1_rx>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/at91sam9n12.dtsi b/arch/arm/boot/dts/at91sam9n12.dtsi index e9efb34f4379..80e29c605d4e 100644 --- a/arch/arm/boot/dts/at91sam9n12.dtsi +++ b/arch/arm/boot/dts/at91sam9n12.dtsi @@ -28,6 +28,7 @@ tcb1 = &tcb1; i2c0 = &i2c0; i2c1 = &i2c1; + ssc0 = &ssc0; }; cpus { cpu@0 { @@ -244,6 +245,22 @@ }; }; + ssc0 { + pinctrl_ssc0_tx: ssc0_tx-0 { + atmel,pins = + <0 24 0x2 0x0 /* PA24 periph B */ + 0 25 0x2 0x0 /* PA25 periph B */ + 0 26 0x2 0x0>; /* PA26 periph B */ + }; + + pinctrl_ssc0_rx: ssc0_rx-0 { + atmel,pins = + <0 27 0x2 0x0 /* PA27 periph B */ + 0 28 0x2 0x0 /* PA28 periph B */ + 0 29 0x2 0x0>; /* PA29 periph B */ + }; + }; + pioA: gpio@fffff400 { compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio"; reg = <0xfffff400 0x200>; @@ -294,6 +311,15 @@ status = "disabled"; }; + ssc0: ssc@f0010000 { + compatible = "atmel,at91sam9g45-ssc"; + reg = <0xf0010000 0x4000>; + interrupts = <28 4 5>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>; + status = "disabled"; + }; + usart0: serial@f801c000 { compatible = "atmel,at91sam9260-usart"; reg = <0xf801c000 0x4000>; diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi index 40ac3a4eb1ab..8ecca6948d81 100644 --- a/arch/arm/boot/dts/at91sam9x5.dtsi +++ b/arch/arm/boot/dts/at91sam9x5.dtsi @@ -88,13 +88,6 @@ interrupts = <1 4 7>; }; - ssc0: ssc@f0010000 { - compatible = "atmel,at91sam9g45-ssc"; - reg = <0xf0010000 0x4000>; - interrupts = <28 4 5>; - status = "disabled"; - }; - tcb0: timer@f8008000 { compatible = "atmel,at91sam9x5-tcb"; reg = <0xf8008000 0x100>; @@ -150,6 +143,11 @@ atmel,pins = <0 3 0x1 0x0>; /* PA3 periph A */ }; + + pinctrl_usart0_sck: usart0_sck-0 { + atmel,pins = + <0 4 0x1 0x0>; /* PA4 periph A */ + }; }; usart1 { @@ -161,12 +159,17 @@ pinctrl_usart1_rts: usart1_rts-0 { atmel,pins = - <3 27 0x3 0x0>; /* PC27 periph C */ + <2 27 0x3 0x0>; /* PC27 periph C */ }; pinctrl_usart1_cts: usart1_cts-0 { atmel,pins = - <3 28 0x3 0x0>; /* PC28 periph C */ + <2 28 0x3 0x0>; /* PC28 periph C */ + }; + + pinctrl_usart1_sck: usart1_sck-0 { + atmel,pins = + <2 28 0x3 0x0>; /* PC29 periph C */ }; }; @@ -179,46 +182,56 @@ pinctrl_uart2_rts: uart2_rts-0 { atmel,pins = - <0 0 0x2 0x0>; /* PB0 periph B */ + <1 0 0x2 0x0>; /* PB0 periph B */ }; pinctrl_uart2_cts: uart2_cts-0 { atmel,pins = - <0 1 0x2 0x0>; /* PB1 periph B */ + <1 1 0x2 0x0>; /* PB1 periph B */ + }; + + pinctrl_usart2_sck: usart2_sck-0 { + atmel,pins = + <1 2 0x2 0x0>; /* PB2 periph B */ }; }; usart3 { pinctrl_uart3: usart3-0 { atmel,pins = - <3 23 0x2 0x1 /* PC22 periph B with pullup */ - 3 23 0x2 0x0>; /* PC23 periph B */ + <2 23 0x2 0x1 /* PC22 periph B with pullup */ + 2 23 0x2 0x0>; /* PC23 periph B */ }; pinctrl_usart3_rts: usart3_rts-0 { atmel,pins = - <3 24 0x2 0x0>; /* PC24 periph B */ + <2 24 0x2 0x0>; /* PC24 periph B */ }; pinctrl_usart3_cts: usart3_cts-0 { atmel,pins = - <3 25 0x2 0x0>; /* PC25 periph B */ + <2 25 0x2 0x0>; /* PC25 periph B */ + }; + + pinctrl_usart3_sck: usart3_sck-0 { + atmel,pins = + <2 26 0x2 0x0>; /* PC26 periph B */ }; }; uart0 { pinctrl_uart0: uart0-0 { atmel,pins = - <3 8 0x3 0x0 /* PC8 periph C */ - 3 9 0x3 0x1>; /* PC9 periph C with pullup */ + <2 8 0x3 0x0 /* PC8 periph C */ + 2 9 0x3 0x1>; /* PC9 periph C with pullup */ }; }; uart1 { pinctrl_uart1: uart1-0 { atmel,pins = - <3 16 0x3 0x0 /* PC16 periph C */ - 3 17 0x3 0x1>; /* PC17 periph C with pullup */ + <2 16 0x3 0x0 /* PC16 periph C */ + 2 17 0x3 0x1>; /* PC17 periph C with pullup */ }; }; @@ -247,14 +260,14 @@ pinctrl_macb0_rmii_mii: macb0_rmii_mii-0 { atmel,pins = - <1 8 0x1 0x0 /* PA8 periph A */ - 1 11 0x1 0x0 /* PA11 periph A */ - 1 12 0x1 0x0 /* PA12 periph A */ - 1 13 0x1 0x0 /* PA13 periph A */ - 1 14 0x1 0x0 /* PA14 periph A */ - 1 15 0x1 0x0 /* PA15 periph A */ - 1 16 0x1 0x0 /* PA16 periph A */ - 1 17 0x1 0x0>; /* PA17 periph A */ + <1 8 0x1 0x0 /* PB8 periph A */ + 1 11 0x1 0x0 /* PB11 periph A */ + 1 12 0x1 0x0 /* PB12 periph A */ + 1 13 0x1 0x0 /* PB13 periph A */ + 1 14 0x1 0x0 /* PB14 periph A */ + 1 15 0x1 0x0 /* PB15 periph A */ + 1 16 0x1 0x0 /* PB16 periph A */ + 1 17 0x1 0x0>; /* PB17 periph A */ }; }; @@ -290,6 +303,22 @@ }; }; + ssc0 { + pinctrl_ssc0_tx: ssc0_tx-0 { + atmel,pins = + <0 24 0x2 0x0 /* PA24 periph B */ + 0 25 0x2 0x0 /* PA25 periph B */ + 0 26 0x2 0x0>; /* PA26 periph B */ + }; + + pinctrl_ssc0_rx: ssc0_rx-0 { + atmel,pins = + <0 27 0x2 0x0 /* PA27 periph B */ + 0 28 0x2 0x0 /* PA28 periph B */ + 0 29 0x2 0x0>; /* PA29 periph B */ + }; + }; + pioA: gpio@fffff400 { compatible = "atmel,at91sam9x5-gpio", "atmel,at91rm9200-gpio"; reg = <0xfffff400 0x200>; @@ -333,6 +362,15 @@ }; }; + ssc0: ssc@f0010000 { + compatible = "atmel,at91sam9g45-ssc"; + reg = <0xf0010000 0x4000>; + interrupts = <28 4 5>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ssc0_tx &pinctrl_ssc0_rx>; + status = "disabled"; + }; + mmc0: mmc@f0008000 { compatible = "atmel,hsmci"; reg = <0xf0008000 0x600>; diff --git a/arch/arm/boot/dts/cros5250-common.dtsi b/arch/arm/boot/dts/cros5250-common.dtsi index fddd17417433..46c098017036 100644 --- a/arch/arm/boot/dts/cros5250-common.dtsi +++ b/arch/arm/boot/dts/cros5250-common.dtsi @@ -96,8 +96,8 @@ fifo-depth = <0x80>; card-detect-delay = <200>; samsung,dw-mshc-ciu-div = <3>; - samsung,dw-mshc-sdr-timing = <2 3 3>; - samsung,dw-mshc-ddr-timing = <1 2 3>; + samsung,dw-mshc-sdr-timing = <2 3>; + samsung,dw-mshc-ddr-timing = <1 2>; slot@0 { reg = <0>; @@ -120,8 +120,8 @@ fifo-depth = <0x80>; card-detect-delay = <200>; samsung,dw-mshc-ciu-div = <3>; - samsung,dw-mshc-sdr-timing = <2 3 3>; - samsung,dw-mshc-ddr-timing = <1 2 3>; + samsung,dw-mshc-sdr-timing = <2 3>; + samsung,dw-mshc-ddr-timing = <1 2>; slot@0 { reg = <0>; @@ -141,8 +141,8 @@ fifo-depth = <0x80>; card-detect-delay = <200>; samsung,dw-mshc-ciu-div = <3>; - samsung,dw-mshc-sdr-timing = <2 3 3>; - samsung,dw-mshc-ddr-timing = <1 2 3>; + samsung,dw-mshc-sdr-timing = <2 3>; + samsung,dw-mshc-ddr-timing = <1 2>; slot@0 { reg = <0>; diff --git a/arch/arm/boot/dts/dove-cubox.dts b/arch/arm/boot/dts/dove-cubox.dts index fed7d3f9f431..cdee96fca6e2 100644 --- a/arch/arm/boot/dts/dove-cubox.dts +++ b/arch/arm/boot/dts/dove-cubox.dts @@ -26,10 +26,15 @@ }; &uart0 { status = "okay"; }; -&sdio0 { status = "okay"; }; &sata0 { status = "okay"; }; &i2c0 { status = "okay"; }; +&sdio0 { + status = "okay"; + /* sdio0 card detect is connected to wrong pin on CuBox */ + cd-gpios = <&gpio0 12 1>; +}; + &spi0 { status = "okay"; @@ -42,9 +47,14 @@ }; &pinctrl { - pinctrl-0 = <&pmx_gpio_18>; + pinctrl-0 = <&pmx_gpio_12 &pmx_gpio_18>; pinctrl-names = "default"; + pmx_gpio_12: pmx-gpio-12 { + marvell,pins = "mpp12"; + marvell,function = "gpio"; + }; + pmx_gpio_18: pmx-gpio-18 { marvell,pins = "mpp18"; marvell,function = "gpio"; diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts index 942d5761ca97..e05b18f3c33d 100644 --- a/arch/arm/boot/dts/exynos5250-smdk5250.dts +++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts @@ -115,8 +115,8 @@ fifo-depth = <0x80>; card-detect-delay = <200>; samsung,dw-mshc-ciu-div = <3>; - samsung,dw-mshc-sdr-timing = <2 3 3>; - samsung,dw-mshc-ddr-timing = <1 2 3>; + samsung,dw-mshc-sdr-timing = <2 3>; + samsung,dw-mshc-ddr-timing = <1 2>; slot@0 { reg = <0>; @@ -139,8 +139,8 @@ fifo-depth = <0x80>; card-detect-delay = <200>; samsung,dw-mshc-ciu-div = <3>; - samsung,dw-mshc-sdr-timing = <2 3 3>; - samsung,dw-mshc-ddr-timing = <1 2 3>; + samsung,dw-mshc-sdr-timing = <2 3>; + samsung,dw-mshc-ddr-timing = <1 2>; slot@0 { reg = <0>; diff --git a/arch/arm/boot/dts/kirkwood-ns2-common.dtsi b/arch/arm/boot/dts/kirkwood-ns2-common.dtsi index 9bc6785ad228..77d21abfcdf7 100644 --- a/arch/arm/boot/dts/kirkwood-ns2-common.dtsi +++ b/arch/arm/boot/dts/kirkwood-ns2-common.dtsi @@ -1,4 +1,5 @@ /include/ "kirkwood.dtsi" +/include/ "kirkwood-6281.dtsi" / { chosen { @@ -6,6 +7,21 @@ }; ocp@f1000000 { + pinctrl: pinctrl@10000 { + pinctrl-0 = < &pmx_spi &pmx_twsi0 &pmx_uart0 + &pmx_ns2_sata0 &pmx_ns2_sata1>; + pinctrl-names = "default"; + + pmx_ns2_sata0: pmx-ns2-sata0 { + marvell,pins = "mpp21"; + marvell,function = "sata0"; + }; + pmx_ns2_sata1: pmx-ns2-sata1 { + marvell,pins = "mpp20"; + marvell,function = "sata1"; + }; + }; + serial@12000 { clock-frequency = <166666667>; status = "okay"; diff --git a/arch/arm/boot/dts/kirkwood.dtsi b/arch/arm/boot/dts/kirkwood.dtsi index 110d6cbb795b..d6ab442b7011 100644 --- a/arch/arm/boot/dts/kirkwood.dtsi +++ b/arch/arm/boot/dts/kirkwood.dtsi @@ -36,6 +36,7 @@ reg = <0x10100 0x40>; ngpios = <32>; interrupt-controller; + #interrupt-cells = <2>; interrupts = <35>, <36>, <37>, <38>; }; @@ -46,6 +47,7 @@ reg = <0x10140 0x40>; ngpios = <18>; interrupt-controller; + #interrupt-cells = <2>; interrupts = <39>, <40>, <41>; }; diff --git a/arch/arm/boot/dts/kizbox.dts b/arch/arm/boot/dts/kizbox.dts index e8814fe0e277..b4dc3ed9a3ec 100644 --- a/arch/arm/boot/dts/kizbox.dts +++ b/arch/arm/boot/dts/kizbox.dts @@ -48,6 +48,8 @@ macb0: ethernet@fffc4000 { phy-mode = "mii"; + pinctrl-0 = <&pinctrl_macb_rmii + &pinctrl_macb_rmii_mii_alt>; status = "okay"; }; diff --git a/arch/arm/boot/dts/sunxi.dtsi b/arch/arm/boot/dts/sunxi.dtsi index 8bbc2bfef221..8b36abea9f2e 100644 --- a/arch/arm/boot/dts/sunxi.dtsi +++ b/arch/arm/boot/dts/sunxi.dtsi @@ -60,19 +60,21 @@ }; uart0: uart@01c28000 { - compatible = "ns8250"; + compatible = "snps,dw-apb-uart"; reg = <0x01c28000 0x400>; interrupts = <1>; reg-shift = <2>; + reg-io-width = <4>; clock-frequency = <24000000>; status = "disabled"; }; uart1: uart@01c28400 { - compatible = "ns8250"; + compatible = "snps,dw-apb-uart"; reg = <0x01c28400 0x400>; interrupts = <2>; reg-shift = <2>; + reg-io-width = <4>; clock-frequency = <24000000>; status = "disabled"; }; diff --git a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts index 1fc405a9ecfb..cf8071ad22d5 100644 --- a/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts +++ b/arch/arm/boot/dts/vexpress-v2p-ca15_a7.dts @@ -45,7 +45,6 @@ reg = <1>; }; -/* A7s disabled till big.LITTLE patches are available... cpu2: cpu@2 { device_type = "cpu"; compatible = "arm,cortex-a7"; @@ -63,7 +62,6 @@ compatible = "arm,cortex-a7"; reg = <0x102>; }; -*/ }; memory@80000000 { diff --git a/arch/arm/configs/at91_dt_defconfig b/arch/arm/configs/at91_dt_defconfig index b175577d7abb..1ea959019fcd 100644 --- a/arch/arm/configs/at91_dt_defconfig +++ b/arch/arm/configs/at91_dt_defconfig @@ -19,6 +19,7 @@ CONFIG_SOC_AT91SAM9260=y CONFIG_SOC_AT91SAM9263=y CONFIG_SOC_AT91SAM9G45=y CONFIG_SOC_AT91SAM9X5=y +CONFIG_SOC_AT91SAM9N12=y CONFIG_MACH_AT91SAM_DT=y CONFIG_AT91_PROGRAMMABLE_CLOCKS=y CONFIG_AT91_TIMER_HZ=128 @@ -31,7 +32,7 @@ CONFIG_ZBOOT_ROM_TEXT=0x0 CONFIG_ZBOOT_ROM_BSS=0x0 CONFIG_ARM_APPENDED_DTB=y CONFIG_ARM_ATAG_DTB_COMPAT=y -CONFIG_CMDLINE="mem=128M console=ttyS0,115200 initrd=0x21100000,25165824 root=/dev/ram0 rw" +CONFIG_CMDLINE="console=ttyS0,115200 initrd=0x21100000,25165824 root=/dev/ram0 rw" CONFIG_KEXEC=y CONFIG_AUTO_ZRELADDR=y # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S index 6809200c31fb..14f7c3b14632 100644 --- a/arch/arm/kernel/debug.S +++ b/arch/arm/kernel/debug.S @@ -100,12 +100,14 @@ ENTRY(printch) b 1b ENDPROC(printch) +#ifdef CONFIG_MMU ENTRY(debug_ll_addr) addruart r2, r3, ip str r2, [r0] str r3, [r1] mov pc, lr ENDPROC(debug_ll_addr) +#endif #else diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S index 4eee351f4668..486a15ae9011 100644 --- a/arch/arm/kernel/head.S +++ b/arch/arm/kernel/head.S @@ -246,6 +246,7 @@ __create_page_tables: /* * Then map boot params address in r2 if specified. + * We map 2 sections in case the ATAGs/DTB crosses a section boundary. */ mov r0, r2, lsr #SECTION_SHIFT movs r0, r0, lsl #SECTION_SHIFT @@ -253,6 +254,8 @@ __create_page_tables: addne r3, r3, #PAGE_OFFSET addne r3, r4, r3, lsr #(SECTION_SHIFT - PMD_ORDER) orrne r6, r7, r0 + strne r6, [r3], #1 << PMD_ORDER + addne r6, r6, #1 << SECTION_SHIFT strne r6, [r3] #ifdef CONFIG_DEBUG_LL @@ -331,7 +334,7 @@ ENTRY(secondary_startup) * as it has already been validated by the primary processor. */ #ifdef CONFIG_ARM_VIRT_EXT - bl __hyp_stub_install + bl __hyp_stub_install_secondary #endif safe_svcmode_maskall r9 diff --git a/arch/arm/kernel/hyp-stub.S b/arch/arm/kernel/hyp-stub.S index 65b2417aebce..1315c4ccfa56 100644 --- a/arch/arm/kernel/hyp-stub.S +++ b/arch/arm/kernel/hyp-stub.S @@ -99,7 +99,7 @@ ENTRY(__hyp_stub_install_secondary) * immediately. */ compare_cpu_mode_with_primary r4, r5, r6, r7 - bxne lr + movne pc, lr /* * Once we have given up on one CPU, we do not try to install the @@ -111,7 +111,7 @@ ENTRY(__hyp_stub_install_secondary) */ cmp r4, #HYP_MODE - bxne lr @ give up if the CPU is not in HYP mode + movne pc, lr @ give up if the CPU is not in HYP mode /* * Configure HSCTLR to set correct exception endianness/instruction set @@ -120,7 +120,8 @@ ENTRY(__hyp_stub_install_secondary) * Eventually, CPU-specific code might be needed -- assume not for now * * This code relies on the "eret" instruction to synchronize the - * various coprocessor accesses. + * various coprocessor accesses. This is done when we switch to SVC + * (see safe_svcmode_maskall). */ @ Now install the hypervisor stub: adr r7, __hyp_stub_vectors @@ -155,14 +156,7 @@ THUMB( orr r7, #(1 << 30) ) @ HSCTLR.TE 1: #endif - bic r7, r4, #MODE_MASK - orr r7, r7, #SVC_MODE -THUMB( orr r7, r7, #PSR_T_BIT ) - msr spsr_cxsf, r7 @ This is SPSR_hyp. - - __MSR_ELR_HYP(14) @ msr elr_hyp, lr - __ERET @ return, switching to SVC mode - @ The boot CPU mode is left in r4. + bx lr @ The boot CPU mode is left in r4. ENDPROC(__hyp_stub_install_secondary) __hyp_stub_do_trap: @@ -200,7 +194,7 @@ ENDPROC(__hyp_get_vectors) @ fall through ENTRY(__hyp_set_vectors) __HVC(0) - bx lr + mov pc, lr ENDPROC(__hyp_set_vectors) #ifndef ZIMAGE diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c index 9ee866ce0478..4b678478cf95 100644 --- a/arch/arm/mach-at91/setup.c +++ b/arch/arm/mach-at91/setup.c @@ -105,6 +105,8 @@ static void __init soc_detect(u32 dbgu_base) switch (socid) { case ARCH_ID_AT91RM9200: at91_soc_initdata.type = AT91_SOC_RM9200; + if (at91_soc_initdata.subtype == AT91_SOC_SUBTYPE_NONE) + at91_soc_initdata.subtype = AT91_SOC_RM9200_BGA; at91_boot_soc = at91rm9200_soc; break; diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 3e628fd7a674..0a2349dc7018 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -851,6 +851,7 @@ config SOC_IMX6Q select HAVE_CAN_FLEXCAN if CAN select HAVE_IMX_GPC select HAVE_IMX_MMDC + select HAVE_IMX_SRC select HAVE_SMP select MFD_SYSCON select PINCTRL diff --git a/arch/arm/mach-imx/clk-imx25.c b/arch/arm/mach-imx/clk-imx25.c index b197aa73dc4b..2c570cdaae7b 100644 --- a/arch/arm/mach-imx/clk-imx25.c +++ b/arch/arm/mach-imx/clk-imx25.c @@ -254,9 +254,9 @@ int __init mx25_clocks_init(void) clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.2"); clk_register_clkdev(clk[usbotg_ahb], "ahb", "mxc-ehci.2"); clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.2"); - clk_register_clkdev(clk[ipg], "ipg", "fsl-usb2-udc"); - clk_register_clkdev(clk[usbotg_ahb], "ahb", "fsl-usb2-udc"); - clk_register_clkdev(clk[usb_div], "per", "fsl-usb2-udc"); + clk_register_clkdev(clk[ipg], "ipg", "imx-udc-mx27"); + clk_register_clkdev(clk[usbotg_ahb], "ahb", "imx-udc-mx27"); + clk_register_clkdev(clk[usb_div], "per", "imx-udc-mx27"); clk_register_clkdev(clk[nfc_ipg_per], NULL, "imx25-nand.0"); /* i.mx25 has the i.mx35 type cspi */ clk_register_clkdev(clk[cspi1_ipg], NULL, "imx35-cspi.0"); diff --git a/arch/arm/mach-imx/clk-imx27.c b/arch/arm/mach-imx/clk-imx27.c index 4c1d1e4efc74..1ffe3b534e51 100644 --- a/arch/arm/mach-imx/clk-imx27.c +++ b/arch/arm/mach-imx/clk-imx27.c @@ -236,9 +236,9 @@ int __init mx27_clocks_init(unsigned long fref) clk_register_clkdev(clk[lcdc_ahb_gate], "ahb", "imx21-fb.0"); clk_register_clkdev(clk[csi_ahb_gate], "ahb", "imx27-camera.0"); clk_register_clkdev(clk[per4_gate], "per", "imx27-camera.0"); - clk_register_clkdev(clk[usb_div], "per", "fsl-usb2-udc"); - clk_register_clkdev(clk[usb_ipg_gate], "ipg", "fsl-usb2-udc"); - clk_register_clkdev(clk[usb_ahb_gate], "ahb", "fsl-usb2-udc"); + clk_register_clkdev(clk[usb_div], "per", "imx-udc-mx27"); + clk_register_clkdev(clk[usb_ipg_gate], "ipg", "imx-udc-mx27"); + clk_register_clkdev(clk[usb_ahb_gate], "ahb", "imx-udc-mx27"); clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.0"); clk_register_clkdev(clk[usb_ipg_gate], "ipg", "mxc-ehci.0"); clk_register_clkdev(clk[usb_ahb_gate], "ahb", "mxc-ehci.0"); diff --git a/arch/arm/mach-imx/clk-imx31.c b/arch/arm/mach-imx/clk-imx31.c index 8be64e0a4ace..16ccbd41dea9 100644 --- a/arch/arm/mach-imx/clk-imx31.c +++ b/arch/arm/mach-imx/clk-imx31.c @@ -139,9 +139,9 @@ int __init mx31_clocks_init(unsigned long fref) clk_register_clkdev(clk[usb_div_post], "per", "mxc-ehci.2"); clk_register_clkdev(clk[usb_gate], "ahb", "mxc-ehci.2"); clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.2"); - clk_register_clkdev(clk[usb_div_post], "per", "fsl-usb2-udc"); - clk_register_clkdev(clk[usb_gate], "ahb", "fsl-usb2-udc"); - clk_register_clkdev(clk[ipg], "ipg", "fsl-usb2-udc"); + clk_register_clkdev(clk[usb_div_post], "per", "imx-udc-mx27"); + clk_register_clkdev(clk[usb_gate], "ahb", "imx-udc-mx27"); + clk_register_clkdev(clk[ipg], "ipg", "imx-udc-mx27"); clk_register_clkdev(clk[csi_gate], NULL, "mx3-camera.0"); /* i.mx31 has the i.mx21 type uart */ clk_register_clkdev(clk[uart1_gate], "per", "imx21-uart.0"); diff --git a/arch/arm/mach-imx/clk-imx35.c b/arch/arm/mach-imx/clk-imx35.c index 66f3d65ea275..f0727e80815d 100644 --- a/arch/arm/mach-imx/clk-imx35.c +++ b/arch/arm/mach-imx/clk-imx35.c @@ -251,9 +251,9 @@ int __init mx35_clocks_init() clk_register_clkdev(clk[usb_div], "per", "mxc-ehci.2"); clk_register_clkdev(clk[ipg], "ipg", "mxc-ehci.2"); clk_register_clkdev(clk[usbotg_gate], "ahb", "mxc-ehci.2"); - clk_register_clkdev(clk[usb_div], "per", "fsl-usb2-udc"); - clk_register_clkdev(clk[ipg], "ipg", "fsl-usb2-udc"); - clk_register_clkdev(clk[usbotg_gate], "ahb", "fsl-usb2-udc"); + clk_register_clkdev(clk[usb_div], "per", "imx-udc-mx27"); + clk_register_clkdev(clk[ipg], "ipg", "imx-udc-mx27"); + clk_register_clkdev(clk[usbotg_gate], "ahb", "imx-udc-mx27"); clk_register_clkdev(clk[wdog_gate], NULL, "imx2-wdt.0"); clk_register_clkdev(clk[nfc_div], NULL, "imx25-nand.0"); clk_register_clkdev(clk[csi_gate], NULL, "mx3-camera.0"); diff --git a/arch/arm/mach-imx/clk-imx51-imx53.c b/arch/arm/mach-imx/clk-imx51-imx53.c index 579023f59dc1..fb7cb841b64c 100644 --- a/arch/arm/mach-imx/clk-imx51-imx53.c +++ b/arch/arm/mach-imx/clk-imx51-imx53.c @@ -269,9 +269,9 @@ static void __init mx5_clocks_common_init(unsigned long rate_ckil, clk_register_clkdev(clk[usboh3_per_gate], "per", "mxc-ehci.2"); clk_register_clkdev(clk[usboh3_gate], "ipg", "mxc-ehci.2"); clk_register_clkdev(clk[usboh3_gate], "ahb", "mxc-ehci.2"); - clk_register_clkdev(clk[usboh3_per_gate], "per", "fsl-usb2-udc"); - clk_register_clkdev(clk[usboh3_gate], "ipg", "fsl-usb2-udc"); - clk_register_clkdev(clk[usboh3_gate], "ahb", "fsl-usb2-udc"); + clk_register_clkdev(clk[usboh3_per_gate], "per", "imx-udc-mx51"); + clk_register_clkdev(clk[usboh3_gate], "ipg", "imx-udc-mx51"); + clk_register_clkdev(clk[usboh3_gate], "ahb", "imx-udc-mx51"); clk_register_clkdev(clk[nfc_gate], NULL, "imx51-nand"); clk_register_clkdev(clk[ssi1_ipg_gate], NULL, "imx-ssi.0"); clk_register_clkdev(clk[ssi2_ipg_gate], NULL, "imx-ssi.1"); diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c index 7f2c10c7413a..c0c4e723b7f5 100644 --- a/arch/arm/mach-imx/clk-imx6q.c +++ b/arch/arm/mach-imx/clk-imx6q.c @@ -436,6 +436,9 @@ int __init mx6q_clocks_init(void) for (i = 0; i < ARRAY_SIZE(clks_init_on); i++) clk_prepare_enable(clk[clks_init_on[i]]); + /* Set initial power mode */ + imx6q_set_lpm(WAIT_CLOCKED); + np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpt"); base = of_iomap(np, 0); WARN_ON(!base); diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h index 7191ab4434e5..fa36fb84ab19 100644 --- a/arch/arm/mach-imx/common.h +++ b/arch/arm/mach-imx/common.h @@ -142,6 +142,7 @@ extern int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode); extern void imx6q_clock_map_io(void); extern void imx_cpu_die(unsigned int cpu); +extern int imx_cpu_kill(unsigned int cpu); #ifdef CONFIG_PM extern void imx6q_pm_init(void); diff --git a/arch/arm/mach-imx/devices/devices-common.h b/arch/arm/mach-imx/devices/devices-common.h index 6277baf1b7be..9bd5777ff0e7 100644 --- a/arch/arm/mach-imx/devices/devices-common.h +++ b/arch/arm/mach-imx/devices/devices-common.h @@ -63,6 +63,7 @@ struct platform_device *__init imx_add_flexcan( #include <linux/fsl_devices.h> struct imx_fsl_usb2_udc_data { + const char *devid; resource_size_t iobase; resource_size_t irq; }; diff --git a/arch/arm/mach-imx/devices/platform-fsl-usb2-udc.c b/arch/arm/mach-imx/devices/platform-fsl-usb2-udc.c index 37e44398197b..3c06bd96e9cc 100644 --- a/arch/arm/mach-imx/devices/platform-fsl-usb2-udc.c +++ b/arch/arm/mach-imx/devices/platform-fsl-usb2-udc.c @@ -11,35 +11,36 @@ #include "../hardware.h" #include "devices-common.h" -#define imx_fsl_usb2_udc_data_entry_single(soc) \ +#define imx_fsl_usb2_udc_data_entry_single(soc, _devid) \ { \ + .devid = _devid, \ .iobase = soc ## _USB_OTG_BASE_ADDR, \ .irq = soc ## _INT_USB_OTG, \ } #ifdef CONFIG_SOC_IMX25 const struct imx_fsl_usb2_udc_data imx25_fsl_usb2_udc_data __initconst = - imx_fsl_usb2_udc_data_entry_single(MX25); + imx_fsl_usb2_udc_data_entry_single(MX25, "imx-udc-mx27"); #endif /* ifdef CONFIG_SOC_IMX25 */ #ifdef CONFIG_SOC_IMX27 const struct imx_fsl_usb2_udc_data imx27_fsl_usb2_udc_data __initconst = - imx_fsl_usb2_udc_data_entry_single(MX27); + imx_fsl_usb2_udc_data_entry_single(MX27, "imx-udc-mx27"); #endif /* ifdef CONFIG_SOC_IMX27 */ #ifdef CONFIG_SOC_IMX31 const struct imx_fsl_usb2_udc_data imx31_fsl_usb2_udc_data __initconst = - imx_fsl_usb2_udc_data_entry_single(MX31); + imx_fsl_usb2_udc_data_entry_single(MX31, "imx-udc-mx27"); #endif /* ifdef CONFIG_SOC_IMX31 */ #ifdef CONFIG_SOC_IMX35 const struct imx_fsl_usb2_udc_data imx35_fsl_usb2_udc_data __initconst = - imx_fsl_usb2_udc_data_entry_single(MX35); + imx_fsl_usb2_udc_data_entry_single(MX35, "imx-udc-mx27"); #endif /* ifdef CONFIG_SOC_IMX35 */ #ifdef CONFIG_SOC_IMX51 const struct imx_fsl_usb2_udc_data imx51_fsl_usb2_udc_data __initconst = - imx_fsl_usb2_udc_data_entry_single(MX51); + imx_fsl_usb2_udc_data_entry_single(MX51, "imx-udc-mx51"); #endif struct platform_device *__init imx_add_fsl_usb2_udc( @@ -57,7 +58,7 @@ struct platform_device *__init imx_add_fsl_usb2_udc( .flags = IORESOURCE_IRQ, }, }; - return imx_add_platform_device_dmamask("fsl-usb2-udc", -1, + return imx_add_platform_device_dmamask(data->devid, -1, res, ARRAY_SIZE(res), pdata, sizeof(*pdata), DMA_BIT_MASK(32)); } diff --git a/arch/arm/mach-imx/devices/platform-imx-fb.c b/arch/arm/mach-imx/devices/platform-imx-fb.c index 10b0ed39f07f..25a47c616b2d 100644 --- a/arch/arm/mach-imx/devices/platform-imx-fb.c +++ b/arch/arm/mach-imx/devices/platform-imx-fb.c @@ -54,7 +54,7 @@ struct platform_device *__init imx_add_imx_fb( .flags = IORESOURCE_IRQ, }, }; - return imx_add_platform_device_dmamask("imx-fb", 0, + return imx_add_platform_device_dmamask(data->devid, 0, res, ARRAY_SIZE(res), pdata, sizeof(*pdata), DMA_BIT_MASK(32)); } diff --git a/arch/arm/mach-imx/hotplug.c b/arch/arm/mach-imx/hotplug.c index 3dec962b0770..7bc5fe15dda2 100644 --- a/arch/arm/mach-imx/hotplug.c +++ b/arch/arm/mach-imx/hotplug.c @@ -46,9 +46,11 @@ static inline void cpu_enter_lowpower(void) void imx_cpu_die(unsigned int cpu) { cpu_enter_lowpower(); - imx_enable_cpu(cpu, false); + cpu_do_idle(); +} - /* spin here until hardware takes it down */ - while (1) - ; +int imx_cpu_kill(unsigned int cpu) +{ + imx_enable_cpu(cpu, false); + return 1; } diff --git a/arch/arm/mach-imx/iram_alloc.c b/arch/arm/mach-imx/iram_alloc.c index 6c80424f678e..e05cf407db65 100644 --- a/arch/arm/mach-imx/iram_alloc.c +++ b/arch/arm/mach-imx/iram_alloc.c @@ -22,8 +22,7 @@ #include <linux/module.h> #include <linux/spinlock.h> #include <linux/genalloc.h> - -#include "iram.h" +#include "linux/platform_data/imx-iram.h" static unsigned long iram_phys_base; static void __iomem *iram_virt_base; diff --git a/arch/arm/mach-imx/platsmp.c b/arch/arm/mach-imx/platsmp.c index 3777b805b76b..66fae885c842 100644 --- a/arch/arm/mach-imx/platsmp.c +++ b/arch/arm/mach-imx/platsmp.c @@ -92,5 +92,6 @@ struct smp_operations imx_smp_ops __initdata = { .smp_boot_secondary = imx_boot_secondary, #ifdef CONFIG_HOTPLUG_CPU .cpu_die = imx_cpu_die, + .cpu_kill = imx_cpu_kill, #endif }; diff --git a/arch/arm/mach-imx/pm-imx6q.c b/arch/arm/mach-imx/pm-imx6q.c index a17543da602d..ee42d20cba19 100644 --- a/arch/arm/mach-imx/pm-imx6q.c +++ b/arch/arm/mach-imx/pm-imx6q.c @@ -41,6 +41,7 @@ static int imx6q_pm_enter(suspend_state_t state) cpu_suspend(0, imx6q_suspend_finish); imx_smp_prepare(); imx_gpc_post_resume(); + imx6q_set_lpm(WAIT_CLOCKED); break; default: return -EINVAL; diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c index be50e795536d..e7fcea7f3300 100644 --- a/arch/arm/mach-integrator/pci_v3.c +++ b/arch/arm/mach-integrator/pci_v3.c @@ -475,13 +475,12 @@ int __init pci_v3_setup(int nr, struct pci_sys_data *sys) { int ret = 0; + if (!ap_syscon_base) + return -EINVAL; + if (nr == 0) { sys->mem_offset = PHYS_PCI_MEM_BASE; ret = pci_v3_setup_resources(sys); - /* Remap the Integrator system controller */ - ap_syscon_base = ioremap(INTEGRATOR_SC_BASE, 0x100); - if (!ap_syscon_base) - return -EINVAL; } return ret; @@ -497,6 +496,13 @@ void __init pci_v3_preinit(void) unsigned int temp; int ret; + /* Remap the Integrator system controller */ + ap_syscon_base = ioremap(INTEGRATOR_SC_BASE, 0x100); + if (!ap_syscon_base) { + pr_err("unable to remap the AP syscon for PCIv3\n"); + return; + } + pcibios_min_mem = 0x00100000; /* diff --git a/arch/arm/mach-kirkwood/board-ns2.c b/arch/arm/mach-kirkwood/board-ns2.c index 8821720ab5a4..f4632a809f68 100644 --- a/arch/arm/mach-kirkwood/board-ns2.c +++ b/arch/arm/mach-kirkwood/board-ns2.c @@ -18,47 +18,11 @@ #include <linux/gpio.h> #include <linux/of.h> #include "common.h" -#include "mpp.h" static struct mv643xx_eth_platform_data ns2_ge00_data = { .phy_addr = MV643XX_ETH_PHY_ADDR(8), }; -static unsigned int ns2_mpp_config[] __initdata = { - MPP0_SPI_SCn, - MPP1_SPI_MOSI, - MPP2_SPI_SCK, - MPP3_SPI_MISO, - MPP4_NF_IO6, - MPP5_NF_IO7, - MPP6_SYSRST_OUTn, - MPP7_GPO, /* Fan speed (bit 1) */ - MPP8_TW0_SDA, - MPP9_TW0_SCK, - MPP10_UART0_TXD, - MPP11_UART0_RXD, - MPP12_GPO, /* Red led */ - MPP14_GPIO, /* USB fuse */ - MPP16_GPIO, /* SATA 0 power */ - MPP17_GPIO, /* SATA 1 power */ - MPP18_NF_IO0, - MPP19_NF_IO1, - MPP20_SATA1_ACTn, - MPP21_SATA0_ACTn, - MPP22_GPIO, /* Fan speed (bit 0) */ - MPP23_GPIO, /* Fan power */ - MPP24_GPIO, /* USB mode select */ - MPP25_GPIO, /* Fan rotation fail */ - MPP26_GPIO, /* USB device vbus */ - MPP28_GPIO, /* USB enable host vbus */ - MPP29_GPIO, /* Blue led (slow register) */ - MPP30_GPIO, /* Blue led (command register) */ - MPP31_GPIO, /* Board power off */ - MPP32_GPIO, /* Power button (0 = Released, 1 = Pushed) */ - MPP33_GPO, /* Fan speed (bit 2) */ - 0 -}; - #define NS2_GPIO_POWER_OFF 31 static void ns2_power_off(void) @@ -71,8 +35,6 @@ void __init ns2_init(void) /* * Basic setup. Needs to be called early. */ - kirkwood_mpp_conf(ns2_mpp_config); - if (of_machine_is_compatible("lacie,netspace_lite_v2") || of_machine_is_compatible("lacie,netspace_mini_v2")) ns2_ge00_data.phy_addr = MV643XX_ETH_PHY_ADDR(0); diff --git a/arch/arm/mach-mvebu/Makefile b/arch/arm/mach-mvebu/Makefile index 5dcb369b58aa..99df4df680fd 100644 --- a/arch/arm/mach-mvebu/Makefile +++ b/arch/arm/mach-mvebu/Makefile @@ -1,6 +1,8 @@ ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include \ -I$(srctree)/arch/arm/plat-orion/include +AFLAGS_coherency_ll.o := -Wa,-march=armv7-a + obj-y += system-controller.o obj-$(CONFIG_MACH_ARMADA_370_XP) += armada-370-xp.o irq-armada-370-xp.o addr-map.o coherency.o coherency_ll.o pmsu.o obj-$(CONFIG_SMP) += platsmp.o headsmp.o diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c index 5c8e9cee2c2e..769c1feee1c4 100644 --- a/arch/arm/mach-omap2/board-omap4panda.c +++ b/arch/arm/mach-omap2/board-omap4panda.c @@ -397,6 +397,12 @@ static struct omap_board_mux board_mux[] __initdata = { OMAP_PULL_ENA), OMAP4_MUX(ABE_MCBSP1_FSX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT), + /* UART2 - BT/FM/GPS shared transport */ + OMAP4_MUX(UART2_CTS, OMAP_PIN_INPUT | OMAP_MUX_MODE0), + OMAP4_MUX(UART2_RTS, OMAP_PIN_OUTPUT | OMAP_MUX_MODE0), + OMAP4_MUX(UART2_RX, OMAP_PIN_INPUT | OMAP_MUX_MODE0), + OMAP4_MUX(UART2_TX, OMAP_PIN_OUTPUT | OMAP_MUX_MODE0), + { .reg_offset = OMAP_MUX_TERMINATOR }, }; diff --git a/arch/arm/mach-omap2/cclock2420_data.c b/arch/arm/mach-omap2/cclock2420_data.c index 7e5febe456d9..ab7e952d2070 100644 --- a/arch/arm/mach-omap2/cclock2420_data.c +++ b/arch/arm/mach-omap2/cclock2420_data.c @@ -1935,6 +1935,8 @@ int __init omap2420_clk_init(void) omap2_init_clk_hw_omap_clocks(c->lk.clk); } + omap2xxx_clkt_vps_late_init(); + omap2_clk_disable_autoidle_all(); omap2_clk_enable_init_clocks(enable_init_clks, diff --git a/arch/arm/mach-omap2/cclock2430_data.c b/arch/arm/mach-omap2/cclock2430_data.c index eda079b96c6a..eb3dab68d536 100644 --- a/arch/arm/mach-omap2/cclock2430_data.c +++ b/arch/arm/mach-omap2/cclock2430_data.c @@ -2050,6 +2050,8 @@ int __init omap2430_clk_init(void) omap2_init_clk_hw_omap_clocks(c->lk.clk); } + omap2xxx_clkt_vps_late_init(); + omap2_clk_disable_autoidle_all(); omap2_clk_enable_init_clocks(enable_init_clks, diff --git a/arch/arm/mach-omap2/cclock44xx_data.c b/arch/arm/mach-omap2/cclock44xx_data.c index 5789a5e25563..a2cc046b47f4 100644 --- a/arch/arm/mach-omap2/cclock44xx_data.c +++ b/arch/arm/mach-omap2/cclock44xx_data.c @@ -2026,14 +2026,13 @@ int __init omap4xxx_clk_init(void) * On OMAP4460 the ABE DPLL fails to turn on if in idle low-power * state when turning the ABE clock domain. Workaround this by * locking the ABE DPLL on boot. + * Lock the ABE DPLL in any case to avoid issues with audio. */ - if (cpu_is_omap446x()) { - rc = clk_set_parent(&abe_dpll_refclk_mux_ck, &sys_32k_ck); - if (!rc) - rc = clk_set_rate(&dpll_abe_ck, OMAP4_DPLL_ABE_DEFFREQ); - if (rc) - pr_err("%s: failed to configure ABE DPLL!\n", __func__); - } + rc = clk_set_parent(&abe_dpll_refclk_mux_ck, &sys_32k_ck); + if (!rc) + rc = clk_set_rate(&dpll_abe_ck, OMAP4_DPLL_ABE_DEFFREQ); + if (rc) + pr_err("%s: failed to configure ABE DPLL!\n", __func__); return 0; } diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index 5e304d0719a2..626f3ea3142f 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -639,7 +639,7 @@ static int count_ocp2scp_devices(struct omap_ocp2scp_dev *ocp2scp_dev) return cnt; } -static void omap_init_ocp2scp(void) +static void __init omap_init_ocp2scp(void) { struct omap_hwmod *oh; struct platform_device *pdev; diff --git a/arch/arm/mach-omap2/drm.c b/arch/arm/mach-omap2/drm.c index 4c7566c7e24a..2a2cfa88ddbf 100644 --- a/arch/arm/mach-omap2/drm.c +++ b/arch/arm/mach-omap2/drm.c @@ -25,6 +25,7 @@ #include <linux/dma-mapping.h> #include <linux/platform_data/omap_drm.h> +#include "soc.h" #include "omap_device.h" #include "omap_hwmod.h" @@ -56,7 +57,7 @@ static int __init omap_init_drm(void) oh->name); } - platform_data.omaprev = GET_OMAP_REVISION(); + platform_data.omaprev = GET_OMAP_TYPE; return platform_device_register(&omap_drm_device); diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index 129d5081ed15..793f54ac7d14 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -2132,8 +2132,12 @@ static struct omap_hwmod omap44xx_mcpdm_hwmod = { * currently reset very early during boot, before I2C is * available, so it doesn't seem that we have any choice in * the kernel other than to avoid resetting it. + * + * Also, McPDM needs to be configured to NO_IDLE mode when it + * is in used otherwise vital clocks will be gated which + * results 'slow motion' audio playback. */ - .flags = HWMOD_EXT_OPT_MAIN_CLK, + .flags = HWMOD_EXT_OPT_MAIN_CLK | HWMOD_SWSUP_SIDLE, .mpu_irqs = omap44xx_mcpdm_irqs, .sdma_reqs = omap44xx_mcpdm_sdma_reqs, .main_clk = "mcpdm_fck", diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c index 691aa674665a..b8ad6e632bb8 100644 --- a/arch/arm/mach-omap2/timer.c +++ b/arch/arm/mach-omap2/timer.c @@ -165,15 +165,11 @@ static struct device_node * __init omap_get_timer_dt(struct of_device_id *match, struct device_node *np; for_each_matching_node(np, match) { - if (!of_device_is_available(np)) { - of_node_put(np); + if (!of_device_is_available(np)) continue; - } - if (property && !of_get_property(np, property, NULL)) { - of_node_put(np); + if (property && !of_get_property(np, property, NULL)) continue; - } of_add_property(np, &device_disabled); return np; diff --git a/arch/arm/mach-s3c64xx/mach-crag6410-module.c b/arch/arm/mach-s3c64xx/mach-crag6410-module.c index 553059f51841..755c0bb119f4 100644 --- a/arch/arm/mach-s3c64xx/mach-crag6410-module.c +++ b/arch/arm/mach-s3c64xx/mach-crag6410-module.c @@ -47,7 +47,7 @@ static struct spi_board_info wm1253_devs[] = { .bus_num = 0, .chip_select = 0, .mode = SPI_MODE_0, - .irq = S3C_EINT(5), + .irq = S3C_EINT(4), .controller_data = &wm0010_spi_csinfo, .platform_data = &wm0010_pdata, }, diff --git a/arch/arm/mach-s3c64xx/pm.c b/arch/arm/mach-s3c64xx/pm.c index 7feb426fc202..d2e1a16690bd 100644 --- a/arch/arm/mach-s3c64xx/pm.c +++ b/arch/arm/mach-s3c64xx/pm.c @@ -338,8 +338,10 @@ int __init s3c64xx_pm_init(void) for (i = 0; i < ARRAY_SIZE(s3c64xx_pm_domains); i++) pm_genpd_init(&s3c64xx_pm_domains[i]->pd, NULL, false); +#ifdef CONFIG_S3C_DEV_FB if (dev_get_platdata(&s3c_device_fb.dev)) pm_genpd_add_device(&s3c64xx_pm_f.pd, &s3c_device_fb.dev); +#endif return 0; } diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 6b2fb87c8698..076c26d43864 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -774,25 +774,27 @@ static void dma_cache_maint_page(struct page *page, unsigned long offset, size_t size, enum dma_data_direction dir, void (*op)(const void *, size_t, int)) { + unsigned long pfn; + size_t left = size; + + pfn = page_to_pfn(page) + offset / PAGE_SIZE; + offset %= PAGE_SIZE; + /* * A single sg entry may refer to multiple physically contiguous * pages. But we still need to process highmem pages individually. * If highmem is not configured then the bulk of this loop gets * optimized out. */ - size_t left = size; do { size_t len = left; void *vaddr; + page = pfn_to_page(pfn); + if (PageHighMem(page)) { - if (len + offset > PAGE_SIZE) { - if (offset >= PAGE_SIZE) { - page += offset / PAGE_SIZE; - offset %= PAGE_SIZE; - } + if (len + offset > PAGE_SIZE) len = PAGE_SIZE - offset; - } vaddr = kmap_high_get(page); if (vaddr) { vaddr += offset; @@ -809,7 +811,7 @@ static void dma_cache_maint_page(struct page *page, unsigned long offset, op(vaddr, len, dir); } offset = 0; - page++; + pfn++; left -= len; } while (left); } diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 9f0610243bd6..ce328c7f5c94 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -283,7 +283,7 @@ static struct mem_type mem_types[] = { }, [MT_MEMORY_SO] = { .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | - L_PTE_MT_UNCACHED, + L_PTE_MT_UNCACHED | L_PTE_XN, .prot_l1 = PMD_TYPE_TABLE, .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_SECT_S | PMD_SECT_UNCACHED | PMD_SECT_XN, diff --git a/arch/arm/plat-versatile/headsmp.S b/arch/arm/plat-versatile/headsmp.S index dd703ef09b8d..b178d44e9eaa 100644 --- a/arch/arm/plat-versatile/headsmp.S +++ b/arch/arm/plat-versatile/headsmp.S @@ -20,7 +20,7 @@ */ ENTRY(versatile_secondary_startup) mrc p15, 0, r0, c0, c0, 5 - and r0, r0, #15 + bic r0, #0xff000000 adr r4, 1f ldmia r4, {r5, r6} sub r4, r4, r5 diff --git a/arch/arm/vfp/entry.S b/arch/arm/vfp/entry.S index cc926c985981..323ce1a62bbf 100644 --- a/arch/arm/vfp/entry.S +++ b/arch/arm/vfp/entry.S @@ -22,7 +22,7 @@ @ IRQs disabled. @ ENTRY(do_vfp) -#ifdef CONFIG_PREEMPT +#ifdef CONFIG_PREEMPT_COUNT ldr r4, [r10, #TI_PREEMPT] @ get preempt count add r11, r4, #1 @ increment it str r11, [r10, #TI_PREEMPT] @@ -35,7 +35,7 @@ ENTRY(do_vfp) ENDPROC(do_vfp) ENTRY(vfp_null_entry) -#ifdef CONFIG_PREEMPT +#ifdef CONFIG_PREEMPT_COUNT get_thread_info r10 ldr r4, [r10, #TI_PREEMPT] @ get preempt count sub r11, r4, #1 @ decrement it @@ -53,7 +53,7 @@ ENDPROC(vfp_null_entry) __INIT ENTRY(vfp_testing_entry) -#ifdef CONFIG_PREEMPT +#ifdef CONFIG_PREEMPT_COUNT get_thread_info r10 ldr r4, [r10, #TI_PREEMPT] @ get preempt count sub r11, r4, #1 @ decrement it diff --git a/arch/arm/vfp/vfphw.S b/arch/arm/vfp/vfphw.S index ea0349f63586..dd5e56f95f3f 100644 --- a/arch/arm/vfp/vfphw.S +++ b/arch/arm/vfp/vfphw.S @@ -168,7 +168,7 @@ vfp_hw_state_valid: @ else it's one 32-bit instruction, so @ always subtract 4 from the following @ instruction address. -#ifdef CONFIG_PREEMPT +#ifdef CONFIG_PREEMPT_COUNT get_thread_info r10 ldr r4, [r10, #TI_PREEMPT] @ get preempt count sub r11, r4, #1 @ decrement it @@ -192,7 +192,7 @@ look_for_VFP_exceptions: @ not recognised by VFP DBGSTR "not VFP" -#ifdef CONFIG_PREEMPT +#ifdef CONFIG_PREEMPT_COUNT get_thread_info r10 ldr r4, [r10, #TI_PREEMPT] @ get preempt count sub r11, r4, #1 @ decrement it diff --git a/arch/arm64/include/asm/elf.h b/arch/arm64/include/asm/elf.h index 07fea290d7c1..fe32c0e4ac01 100644 --- a/arch/arm64/include/asm/elf.h +++ b/arch/arm64/include/asm/elf.h @@ -26,7 +26,10 @@ typedef unsigned long elf_greg_t; -#define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t)) +#define ELF_NGREG (sizeof(struct user_pt_regs) / sizeof(elf_greg_t)) +#define ELF_CORE_COPY_REGS(dest, regs) \ + *(struct user_pt_regs *)&(dest) = (regs)->user_regs; + typedef elf_greg_t elf_gregset_t[ELF_NGREG]; typedef struct user_fpsimd_state elf_fpregset_t; diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 64b133949502..e333a243bfcc 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -24,7 +24,8 @@ /* * Software defined PTE bits definition. */ -#define PTE_VALID (_AT(pteval_t, 1) << 0) /* pte_present() check */ +#define PTE_VALID (_AT(pteval_t, 1) << 0) +#define PTE_PROT_NONE (_AT(pteval_t, 1) << 1) /* only when !PTE_VALID */ #define PTE_FILE (_AT(pteval_t, 1) << 2) /* only when !pte_present() */ #define PTE_DIRTY (_AT(pteval_t, 1) << 55) #define PTE_SPECIAL (_AT(pteval_t, 1) << 56) @@ -60,9 +61,12 @@ extern void __pgd_error(const char *file, int line, unsigned long val); extern pgprot_t pgprot_default; -#define _MOD_PROT(p, b) __pgprot(pgprot_val(p) | (b)) +#define __pgprot_modify(prot,mask,bits) \ + __pgprot((pgprot_val(prot) & ~(mask)) | (bits)) + +#define _MOD_PROT(p, b) __pgprot_modify(p, 0, b) -#define PAGE_NONE _MOD_PROT(pgprot_default, PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY) +#define PAGE_NONE __pgprot_modify(pgprot_default, PTE_TYPE_MASK, PTE_PROT_NONE) #define PAGE_SHARED _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_UXN) #define PAGE_SHARED_EXEC _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN) #define PAGE_COPY _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY) @@ -72,7 +76,7 @@ extern pgprot_t pgprot_default; #define PAGE_KERNEL _MOD_PROT(pgprot_default, PTE_PXN | PTE_UXN | PTE_DIRTY) #define PAGE_KERNEL_EXEC _MOD_PROT(pgprot_default, PTE_UXN | PTE_DIRTY) -#define __PAGE_NONE __pgprot(_PAGE_DEFAULT | PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY) +#define __PAGE_NONE __pgprot(((_PAGE_DEFAULT) & ~PTE_TYPE_MASK) | PTE_PROT_NONE) #define __PAGE_SHARED __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN) #define __PAGE_SHARED_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN) #define __PAGE_COPY __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY) @@ -125,16 +129,15 @@ extern struct page *empty_zero_page; /* * The following only work if pte_present(). Undefined behaviour otherwise. */ -#define pte_present(pte) (pte_val(pte) & PTE_VALID) +#define pte_present(pte) (pte_val(pte) & (PTE_VALID | PTE_PROT_NONE)) #define pte_dirty(pte) (pte_val(pte) & PTE_DIRTY) #define pte_young(pte) (pte_val(pte) & PTE_AF) #define pte_special(pte) (pte_val(pte) & PTE_SPECIAL) #define pte_write(pte) (!(pte_val(pte) & PTE_RDONLY)) #define pte_exec(pte) (!(pte_val(pte) & PTE_UXN)) -#define pte_present_exec_user(pte) \ - ((pte_val(pte) & (PTE_VALID | PTE_USER | PTE_UXN)) == \ - (PTE_VALID | PTE_USER)) +#define pte_valid_user(pte) \ + ((pte_val(pte) & (PTE_VALID | PTE_USER)) == (PTE_VALID | PTE_USER)) #define PTE_BIT_FUNC(fn,op) \ static inline pte_t pte_##fn(pte_t pte) { pte_val(pte) op; return pte; } @@ -157,10 +160,13 @@ extern void __sync_icache_dcache(pte_t pteval, unsigned long addr); static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep, pte_t pte) { - if (pte_present_exec_user(pte)) - __sync_icache_dcache(pte, addr); - if (!pte_dirty(pte)) - pte = pte_wrprotect(pte); + if (pte_valid_user(pte)) { + if (pte_exec(pte)) + __sync_icache_dcache(pte, addr); + if (!pte_dirty(pte)) + pte = pte_wrprotect(pte); + } + set_pte(ptep, pte); } @@ -170,9 +176,6 @@ static inline void set_pte_at(struct mm_struct *mm, unsigned long addr, #define pte_huge(pte) ((pte_val(pte) & PTE_TYPE_MASK) == PTE_TYPE_HUGEPAGE) #define pte_mkhuge(pte) (__pte((pte_val(pte) & ~PTE_TYPE_MASK) | PTE_TYPE_HUGEPAGE)) -#define __pgprot_modify(prot,mask,bits) \ - __pgprot((pgprot_val(prot) & ~(mask)) | (bits)) - #define __HAVE_ARCH_PTE_SPECIAL /* @@ -264,7 +267,8 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long addr) static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) { - const pteval_t mask = PTE_USER | PTE_PXN | PTE_UXN | PTE_RDONLY; + const pteval_t mask = PTE_USER | PTE_PXN | PTE_UXN | PTE_RDONLY | + PTE_PROT_NONE | PTE_VALID; pte_val(pte) = (pte_val(pte) & ~mask) | (pgprot_val(newprot) & mask); return pte; } diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h index 58432625fdb3..5ef47ba3ed45 100644 --- a/arch/arm64/include/asm/unistd32.h +++ b/arch/arm64/include/asm/unistd32.h @@ -395,8 +395,13 @@ __SYSCALL(370, sys_name_to_handle_at) __SYSCALL(371, compat_sys_open_by_handle_at) __SYSCALL(372, compat_sys_clock_adjtime) __SYSCALL(373, sys_syncfs) +__SYSCALL(374, compat_sys_sendmmsg) +__SYSCALL(375, sys_setns) +__SYSCALL(376, compat_sys_process_vm_readv) +__SYSCALL(377, compat_sys_process_vm_writev) +__SYSCALL(378, sys_ni_syscall) /* 378 for kcmp */ -#define __NR_compat_syscalls 374 +#define __NR_compat_syscalls 379 /* * Compat syscall numbers used by the AArch64 kernel. diff --git a/arch/arm64/kernel/vdso.c b/arch/arm64/kernel/vdso.c index c958cb84d75f..6a389dc1bd49 100644 --- a/arch/arm64/kernel/vdso.c +++ b/arch/arm64/kernel/vdso.c @@ -252,10 +252,6 @@ void update_vsyscall(struct timekeeper *tk) void update_vsyscall_tz(void) { - ++vdso_data->tb_seq_count; - smp_wmb(); vdso_data->tz_minuteswest = sys_tz.tz_minuteswest; vdso_data->tz_dsttime = sys_tz.tz_dsttime; - smp_wmb(); - ++vdso_data->tb_seq_count; } diff --git a/arch/arm64/kernel/vdso/gettimeofday.S b/arch/arm64/kernel/vdso/gettimeofday.S index 8bf658d974f9..f0a6d10b5211 100644 --- a/arch/arm64/kernel/vdso/gettimeofday.S +++ b/arch/arm64/kernel/vdso/gettimeofday.S @@ -73,8 +73,6 @@ ENTRY(__kernel_gettimeofday) /* If tz is NULL, return 0. */ cbz x1, 3f ldp w4, w5, [vdso_data, #VDSO_TZ_MINWEST] - seqcnt_read w9 - seqcnt_check w9, 1b stp w4, w5, [x1, #TZ_MINWEST] 3: mov x0, xzr diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c index 4265ff64219b..b7a5fffe0924 100644 --- a/arch/ia64/kernel/ptrace.c +++ b/arch/ia64/kernel/ptrace.c @@ -672,33 +672,6 @@ ptrace_attach_sync_user_rbs (struct task_struct *child) read_unlock(&tasklist_lock); } -static inline int -thread_matches (struct task_struct *thread, unsigned long addr) -{ - unsigned long thread_rbs_end; - struct pt_regs *thread_regs; - - if (ptrace_check_attach(thread, 0) < 0) - /* - * If the thread is not in an attachable state, we'll - * ignore it. The net effect is that if ADDR happens - * to overlap with the portion of the thread's - * register backing store that is currently residing - * on the thread's kernel stack, then ptrace() may end - * up accessing a stale value. But if the thread - * isn't stopped, that's a problem anyhow, so we're - * doing as well as we can... - */ - return 0; - - thread_regs = task_pt_regs(thread); - thread_rbs_end = ia64_get_user_rbs_end(thread, thread_regs, NULL); - if (!on_kernel_rbs(addr, thread_regs->ar_bspstore, thread_rbs_end)) - return 0; - - return 1; /* looks like we've got a winner */ -} - /* * Write f32-f127 back to task->thread.fph if it has been modified. */ diff --git a/arch/m68k/include/asm/dma-mapping.h b/arch/m68k/include/asm/dma-mapping.h index 17f7a45948ea..3e6b8445af6a 100644 --- a/arch/m68k/include/asm/dma-mapping.h +++ b/arch/m68k/include/asm/dma-mapping.h @@ -21,6 +21,22 @@ extern void *dma_alloc_coherent(struct device *, size_t, extern void dma_free_coherent(struct device *, size_t, void *, dma_addr_t); +static inline void *dma_alloc_attrs(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t flag, + struct dma_attrs *attrs) +{ + /* attrs is not supported and ignored */ + return dma_alloc_coherent(dev, size, dma_handle, flag); +} + +static inline void dma_free_attrs(struct device *dev, size_t size, + void *cpu_addr, dma_addr_t dma_handle, + struct dma_attrs *attrs) +{ + /* attrs is not supported and ignored */ + dma_free_coherent(dev, size, cpu_addr, dma_handle); +} + static inline void *dma_alloc_noncoherent(struct device *dev, size_t size, dma_addr_t *handle, gfp_t flag) { diff --git a/arch/m68k/include/asm/pgtable_no.h b/arch/m68k/include/asm/pgtable_no.h index bf86b29fe64a..037028f4ab70 100644 --- a/arch/m68k/include/asm/pgtable_no.h +++ b/arch/m68k/include/asm/pgtable_no.h @@ -64,6 +64,8 @@ extern unsigned int kobjsize(const void *objp); */ #define VMALLOC_START 0 #define VMALLOC_END 0xffffffff +#define KMAP_START 0 +#define KMAP_END 0xffffffff #include <asm-generic/pgtable.h> diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h index 847994ce6804..f9337f614660 100644 --- a/arch/m68k/include/asm/unistd.h +++ b/arch/m68k/include/asm/unistd.h @@ -4,7 +4,7 @@ #include <uapi/asm/unistd.h> -#define NR_syscalls 348 +#define NR_syscalls 349 #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_OLD_STAT diff --git a/arch/m68k/include/uapi/asm/unistd.h b/arch/m68k/include/uapi/asm/unistd.h index b94bfbf90705..625f321001dc 100644 --- a/arch/m68k/include/uapi/asm/unistd.h +++ b/arch/m68k/include/uapi/asm/unistd.h @@ -353,5 +353,6 @@ #define __NR_process_vm_readv 345 #define __NR_process_vm_writev 346 #define __NR_kcmp 347 +#define __NR_finit_module 348 #endif /* _UAPI_ASM_M68K_UNISTD_H_ */ diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S index c30da5b3f2db..3f04ea0ab802 100644 --- a/arch/m68k/kernel/syscalltable.S +++ b/arch/m68k/kernel/syscalltable.S @@ -368,4 +368,5 @@ ENTRY(sys_call_table) .long sys_process_vm_readv /* 345 */ .long sys_process_vm_writev .long sys_kcmp + .long sys_finit_module diff --git a/arch/m68k/mm/init.c b/arch/m68k/mm/init.c index f0e05bce92f2..afd8106fd83b 100644 --- a/arch/m68k/mm/init.c +++ b/arch/m68k/mm/init.c @@ -39,6 +39,11 @@ void *empty_zero_page; EXPORT_SYMBOL(empty_zero_page); +#if !defined(CONFIG_SUN3) && !defined(CONFIG_COLDFIRE) +extern void init_pointer_table(unsigned long ptable); +extern pmd_t *zero_pgtable; +#endif + #ifdef CONFIG_MMU pg_data_t pg_data_map[MAX_NUMNODES]; @@ -69,9 +74,6 @@ void __init m68k_setup_node(int node) node_set_online(node); } -extern void init_pointer_table(unsigned long ptable); -extern pmd_t *zero_pgtable; - #else /* CONFIG_MMU */ /* diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S index bfb44247d7a7..eb7850b46c25 100644 --- a/arch/parisc/kernel/entry.S +++ b/arch/parisc/kernel/entry.S @@ -1865,7 +1865,7 @@ syscall_restore: /* Are we being ptraced? */ ldw TASK_FLAGS(%r1),%r19 - ldi (_TIF_SINGLESTEP|_TIF_BLOCKSTEP),%r2 + ldi _TIF_SYSCALL_TRACE_MASK,%r2 and,COND(=) %r19,%r2,%r0 b,n syscall_restore_rfi @@ -1978,15 +1978,23 @@ syscall_restore_rfi: /* sr2 should be set to zero for userspace syscalls */ STREG %r0,TASK_PT_SR2(%r1) -pt_regs_ok: LDREG TASK_PT_GR31(%r1),%r2 - depi 3,31,2,%r2 /* ensure return to user mode. */ - STREG %r2,TASK_PT_IAOQ0(%r1) + depi 3,31,2,%r2 /* ensure return to user mode. */ + STREG %r2,TASK_PT_IAOQ0(%r1) ldo 4(%r2),%r2 STREG %r2,TASK_PT_IAOQ1(%r1) + b intr_restore copy %r25,%r16 + +pt_regs_ok: + LDREG TASK_PT_IAOQ0(%r1),%r2 + depi 3,31,2,%r2 /* ensure return to user mode. */ + STREG %r2,TASK_PT_IAOQ0(%r1) + LDREG TASK_PT_IAOQ1(%r1),%r2 + depi 3,31,2,%r2 + STREG %r2,TASK_PT_IAOQ1(%r1) b intr_restore - nop + copy %r25,%r16 .import schedule,code syscall_do_resched: diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c index c0b1affc06a8..0299d63cd112 100644 --- a/arch/parisc/kernel/irq.c +++ b/arch/parisc/kernel/irq.c @@ -410,11 +410,13 @@ void __init init_IRQ(void) { local_irq_disable(); /* PARANOID - should already be disabled */ mtctl(~0UL, 23); /* EIRR : clear all pending external intr */ - claim_cpu_irqs(); #ifdef CONFIG_SMP - if (!cpu_eiem) + if (!cpu_eiem) { + claim_cpu_irqs(); cpu_eiem = EIEM_MASK(IPI_IRQ) | EIEM_MASK(TIMER_IRQ); + } #else + claim_cpu_irqs(); cpu_eiem = EIEM_MASK(TIMER_IRQ); #endif set_eiem(cpu_eiem); /* EIEM : enable all external intr */ diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c index 857c2f545470..534abd4936e1 100644 --- a/arch/parisc/kernel/ptrace.c +++ b/arch/parisc/kernel/ptrace.c @@ -26,7 +26,7 @@ #include <asm/asm-offsets.h> /* PSW bits we allow the debugger to modify */ -#define USER_PSW_BITS (PSW_N | PSW_V | PSW_CB) +#define USER_PSW_BITS (PSW_N | PSW_B | PSW_V | PSW_CB) /* * Called by kernel/ptrace.c when detaching.. diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c index 537996955998..fd051705a407 100644 --- a/arch/parisc/kernel/signal.c +++ b/arch/parisc/kernel/signal.c @@ -190,8 +190,10 @@ get_sigframe(struct k_sigaction *ka, unsigned long sp, size_t frame_size) DBG(1,"get_sigframe: ka = %#lx, sp = %#lx, frame_size = %#lx\n", (unsigned long)ka, sp, frame_size); + /* Align alternate stack and reserve 64 bytes for the signal + handler's frame marker. */ if ((ka->sa.sa_flags & SA_ONSTACK) != 0 && ! sas_ss_flags(sp)) - sp = current->sas_ss_sp; /* Stacks grow up! */ + sp = (current->sas_ss_sp + 0x7f) & ~0x3f; /* Stacks grow up! */ DBG(1,"get_sigframe: Returning sp = %#lx\n", (unsigned long)sp); return (void __user *) sp; /* Stacks grow up. Fun. */ diff --git a/arch/parisc/math-emu/cnv_float.h b/arch/parisc/math-emu/cnv_float.h index 9071e093164a..933423fa5144 100644 --- a/arch/parisc/math-emu/cnv_float.h +++ b/arch/parisc/math-emu/cnv_float.h @@ -347,16 +347,15 @@ Sgl_isinexact_to_fix(sgl_value,exponent) #define Duint_from_sgl_mantissa(sgl_value,exponent,dresultA,dresultB) \ - {Sall(sgl_value) <<= SGL_EXP_LENGTH; /* left-justify */ \ + {unsigned int val = Sall(sgl_value) << SGL_EXP_LENGTH; \ if (exponent <= 31) { \ - Dintp1(dresultA) = 0; \ - Dintp2(dresultB) = (unsigned)Sall(sgl_value) >> (31 - exponent); \ + Dintp1(dresultA) = 0; \ + Dintp2(dresultB) = val >> (31 - exponent); \ } \ else { \ - Dintp1(dresultA) = Sall(sgl_value) >> (63 - exponent); \ - Dintp2(dresultB) = Sall(sgl_value) << (exponent - 31); \ + Dintp1(dresultA) = val >> (63 - exponent); \ + Dintp2(dresultB) = exponent <= 62 ? val << (exponent - 31) : 0; \ } \ - Sall(sgl_value) >>= SGL_EXP_LENGTH; /* return to original */ \ } #define Duint_setzero(dresultA,dresultB) \ diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index d22e73e4618b..e514de57a125 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -439,6 +439,8 @@ ret_from_fork: ret_from_kernel_thread: REST_NVGPRS(r1) bl schedule_tail + li r3,0 + stw r3,0(r1) mtlr r14 mr r3,r15 PPC440EP_ERR42 diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S index b310a0573625..3d990d3bd8ba 100644 --- a/arch/powerpc/kernel/entry_64.S +++ b/arch/powerpc/kernel/entry_64.S @@ -664,6 +664,19 @@ resume_kernel: ld r4,TI_FLAGS(r9) andi. r0,r4,_TIF_NEED_RESCHED bne 1b + + /* + * arch_local_irq_restore() from preempt_schedule_irq above may + * enable hard interrupt but we really should disable interrupts + * when we return from the interrupt, and so that we don't get + * interrupted after loading SRR0/1. + */ +#ifdef CONFIG_PPC_BOOK3E + wrteei 0 +#else + ld r10,PACAKMSR(r13) /* Get kernel MSR without EE */ + mtmsrd r10,1 /* Update machine state */ +#endif /* CONFIG_PPC_BOOK3E */ #endif /* CONFIG_PREEMPT */ .globl fast_exc_return_irq diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c index c470a40b29f5..a7bc7521c064 100644 --- a/arch/powerpc/kernel/kgdb.c +++ b/arch/powerpc/kernel/kgdb.c @@ -154,12 +154,12 @@ static int kgdb_handle_breakpoint(struct pt_regs *regs) static int kgdb_singlestep(struct pt_regs *regs) { struct thread_info *thread_info, *exception_thread_info; - struct thread_info *backup_current_thread_info = \ - (struct thread_info *)kmalloc(sizeof(struct thread_info), GFP_KERNEL); + struct thread_info *backup_current_thread_info; if (user_mode(regs)) return 0; + backup_current_thread_info = (struct thread_info *)kmalloc(sizeof(struct thread_info), GFP_KERNEL); /* * On Book E and perhaps other processors, singlestep is handled on * the critical exception stack. This causes current_thread_info() @@ -185,6 +185,7 @@ static int kgdb_singlestep(struct pt_regs *regs) /* Restore current_thread_info lastly. */ memcpy(exception_thread_info, backup_current_thread_info, sizeof *thread_info); + kfree(backup_current_thread_info); return 1; } diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c index 6f6b1cccc916..127361e093f4 100644 --- a/arch/powerpc/kernel/time.c +++ b/arch/powerpc/kernel/time.c @@ -494,10 +494,15 @@ void timer_interrupt(struct pt_regs * regs) set_dec(DECREMENTER_MAX); /* Some implementations of hotplug will get timer interrupts while - * offline, just ignore these + * offline, just ignore these and we also need to set + * decrementers_next_tb as MAX to make sure __check_irq_replay + * don't replay timer interrupt when return, otherwise we'll trap + * here infinitely :( */ - if (!cpu_online(smp_processor_id())) + if (!cpu_online(smp_processor_id())) { + *next_tb = ~(u64)0; return; + } /* Conditionally hard-enable interrupts now that the DEC has been * bumped to its maximum value diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c index b0855e5d8905..9d9cddc5b346 100644 --- a/arch/powerpc/kvm/emulate.c +++ b/arch/powerpc/kvm/emulate.c @@ -39,6 +39,7 @@ #define OP_31_XOP_TRAP 4 #define OP_31_XOP_LWZX 23 #define OP_31_XOP_TRAP_64 68 +#define OP_31_XOP_DCBF 86 #define OP_31_XOP_LBZX 87 #define OP_31_XOP_STWX 151 #define OP_31_XOP_STBX 215 @@ -374,6 +375,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) emulated = kvmppc_emulate_mtspr(vcpu, sprn, rs); break; + case OP_31_XOP_DCBF: case OP_31_XOP_DCBI: /* Do nothing. The guest is performing dcbi because * hardware DMA is not snooped by the dcache, but diff --git a/arch/powerpc/oprofile/op_model_power4.c b/arch/powerpc/oprofile/op_model_power4.c index 315f9495e9b2..f444b94935f5 100644 --- a/arch/powerpc/oprofile/op_model_power4.c +++ b/arch/powerpc/oprofile/op_model_power4.c @@ -52,7 +52,7 @@ static int power7_marked_instr_event(u64 mmcr1) for (pmc = 0; pmc < 4; pmc++) { psel = mmcr1 & (OPROFILE_PM_PMCSEL_MSK << (OPROFILE_MAX_PMC_NUM - pmc) - * OPROFILE_MAX_PMC_NUM); + * OPROFILE_PMSEL_FIELD_WIDTH); psel = (psel >> ((OPROFILE_MAX_PMC_NUM - pmc) * OPROFILE_PMSEL_FIELD_WIDTH)) & ~1ULL; unit = mmcr1 & (OPROFILE_PM_UNIT_MSK diff --git a/arch/powerpc/platforms/pasemi/cpufreq.c b/arch/powerpc/platforms/pasemi/cpufreq.c index 95d00173029f..890f30e70f98 100644 --- a/arch/powerpc/platforms/pasemi/cpufreq.c +++ b/arch/powerpc/platforms/pasemi/cpufreq.c @@ -236,6 +236,13 @@ out: static int pas_cpufreq_cpu_exit(struct cpufreq_policy *policy) { + /* + * We don't support CPU hotplug. Don't unmap after the system + * has already made it to a running state. + */ + if (system_state != SYSTEM_BOOTING) + return 0; + if (sdcasr_mapbase) iounmap(sdcasr_mapbase); if (sdcpwr_mapbase) diff --git a/arch/s390/Makefile b/arch/s390/Makefile index 4b8e08b56f49..7e3ce78d4290 100644 --- a/arch/s390/Makefile +++ b/arch/s390/Makefile @@ -24,8 +24,8 @@ CHECKFLAGS += -D__s390__ -msize-long else LD_BFD := elf64-s390 LDFLAGS := -m elf64_s390 -KBUILD_AFLAGS_MODULE += -fpic -D__PIC__ -KBUILD_CFLAGS_MODULE += -fpic -D__PIC__ +KBUILD_AFLAGS_MODULE += -fPIC +KBUILD_CFLAGS_MODULE += -fPIC KBUILD_CFLAGS += -m64 KBUILD_AFLAGS += -m64 UTS_MACHINE := s390x diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index c928dc1938f2..c1d7930a82f4 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -1387,10 +1387,7 @@ static inline int has_transparent_hugepage(void) static inline unsigned long pmd_pfn(pmd_t pmd) { - if (pmd_trans_huge(pmd)) - return pmd_val(pmd) >> HPAGE_SHIFT; - else - return pmd_val(pmd) >> PAGE_SHIFT; + return pmd_val(pmd) >> PAGE_SHIFT; } #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h index fba4d66788a2..4c060bb5b8ea 100644 --- a/arch/s390/include/asm/timex.h +++ b/arch/s390/include/asm/timex.h @@ -128,4 +128,32 @@ static inline unsigned long long get_clock_monotonic(void) return get_clock_xt() - sched_clock_base_cc; } +/** + * tod_to_ns - convert a TOD format value to nanoseconds + * @todval: to be converted TOD format value + * Returns: number of nanoseconds that correspond to the TOD format value + * + * Converting a 64 Bit TOD format value to nanoseconds means that the value + * must be divided by 4.096. In order to achieve that we multiply with 125 + * and divide by 512: + * + * ns = (todval * 125) >> 9; + * + * In order to avoid an overflow with the multiplication we can rewrite this. + * With a split todval == 2^32 * th + tl (th upper 32 bits, tl lower 32 bits) + * we end up with + * + * ns = ((2^32 * th + tl) * 125 ) >> 9; + * -> ns = (2^23 * th * 125) + ((tl * 125) >> 9); + * + */ +static inline unsigned long long tod_to_ns(unsigned long long todval) +{ + unsigned long long ns; + + ns = ((todval >> 32) << 23) * 125; + ns += ((todval & 0xffffffff) * 125) >> 9; + return ns; +} + #endif diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c index aff0e350d776..a5f4f5a1d24b 100644 --- a/arch/s390/kernel/time.c +++ b/arch/s390/kernel/time.c @@ -63,7 +63,7 @@ static DEFINE_PER_CPU(struct clock_event_device, comparators); */ unsigned long long notrace __kprobes sched_clock(void) { - return (get_clock_monotonic() * 125) >> 9; + return tod_to_ns(get_clock_monotonic()); } /* diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c index c30615e605ac..82c481ddef76 100644 --- a/arch/s390/kvm/interrupt.c +++ b/arch/s390/kvm/interrupt.c @@ -408,7 +408,7 @@ int kvm_s390_handle_wait(struct kvm_vcpu *vcpu) return 0; } - sltime = ((vcpu->arch.sie_block->ckc - now)*125)>>9; + sltime = tod_to_ns(vcpu->arch.sie_block->ckc - now); hrtimer_start(&vcpu->arch.ckc_timer, ktime_set (0, sltime) , HRTIMER_MODE_REL); VCPU_EVENT(vcpu, 5, "enabled wait via clock comparator: %llx ns", sltime); diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index c9011bfaabbe..f090e819bf71 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -613,7 +613,9 @@ static int __vcpu_run(struct kvm_vcpu *vcpu) kvm_s390_deliver_pending_interrupts(vcpu); vcpu->arch.sie_block->icptcode = 0; + preempt_disable(); kvm_guest_enter(); + preempt_enable(); VCPU_EVENT(vcpu, 6, "entering sie flags %x", atomic_read(&vcpu->arch.sie_block->cpuflags)); trace_kvm_s390_sie_enter(vcpu, diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c index 3fede4556c91..a0fa5791cd44 100644 --- a/arch/sh/boards/mach-ecovec24/setup.c +++ b/arch/sh/boards/mach-ecovec24/setup.c @@ -70,6 +70,16 @@ * OFF-ON : MMC */ +/* + * FSI - DA7210 + * + * it needs amixer settings for playing + * + * amixer set 'HeadPhone' 80 + * amixer set 'Out Mixer Left DAC Left' on + * amixer set 'Out Mixer Right DAC Right' on + */ + /* Heartbeat */ static unsigned char led_pos[] = { 0, 1, 2, 3 }; diff --git a/arch/sh/include/asm/elf.h b/arch/sh/include/asm/elf.h index 37924afa8d8a..bf9f44f17c29 100644 --- a/arch/sh/include/asm/elf.h +++ b/arch/sh/include/asm/elf.h @@ -203,9 +203,9 @@ extern void __kernel_vsyscall; if (vdso_enabled) \ NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE); \ else \ - NEW_AUX_ENT(AT_IGNORE, 0); + NEW_AUX_ENT(AT_IGNORE, 0) #else -#define VSYSCALL_AUX_ENT +#define VSYSCALL_AUX_ENT NEW_AUX_ENT(AT_IGNORE, 0) #endif /* CONFIG_VSYSCALL */ #ifdef CONFIG_SH_FPU diff --git a/arch/sh/include/asm/processor_32.h b/arch/sh/include/asm/processor_32.h index b1320d55ca30..e699a12cdcca 100644 --- a/arch/sh/include/asm/processor_32.h +++ b/arch/sh/include/asm/processor_32.h @@ -39,7 +39,7 @@ /* This decides where the kernel will search for a free chunk of vm * space during mmap's. */ -#define TASK_UNMAPPED_BASE (TASK_SIZE / 3) +#define TASK_UNMAPPED_BASE PAGE_ALIGN(TASK_SIZE / 3) /* * Bit of SR register diff --git a/arch/sh/include/asm/processor_64.h b/arch/sh/include/asm/processor_64.h index 1ee8946f0952..1cc7d3197143 100644 --- a/arch/sh/include/asm/processor_64.h +++ b/arch/sh/include/asm/processor_64.h @@ -47,7 +47,7 @@ pc; }) /* This decides where the kernel will search for a free chunk of vm * space during mmap's. */ -#define TASK_UNMAPPED_BASE (TASK_SIZE / 3) +#define TASK_UNMAPPED_BASE PAGE_ALIGN(TASK_SIZE / 3) /* * Bit of SR register diff --git a/arch/sh/include/uapi/asm/unistd_32.h b/arch/sh/include/uapi/asm/unistd_32.h index 9e465f246dc1..d13a1d623736 100644 --- a/arch/sh/include/uapi/asm/unistd_32.h +++ b/arch/sh/include/uapi/asm/unistd_32.h @@ -379,7 +379,8 @@ #define __NR_process_vm_readv 365 #define __NR_process_vm_writev 366 #define __NR_kcmp 367 +#define __NR_finit_module 368 -#define NR_syscalls 368 +#define NR_syscalls 369 #endif /* __ASM_SH_UNISTD_32_H */ diff --git a/arch/sh/include/uapi/asm/unistd_64.h b/arch/sh/include/uapi/asm/unistd_64.h index 8e3a2edd284e..e6820c86e8c7 100644 --- a/arch/sh/include/uapi/asm/unistd_64.h +++ b/arch/sh/include/uapi/asm/unistd_64.h @@ -399,7 +399,8 @@ #define __NR_process_vm_readv 376 #define __NR_process_vm_writev 377 #define __NR_kcmp 378 +#define __NR_finit_module 379 -#define NR_syscalls 379 +#define NR_syscalls 380 #endif /* __ASM_SH_UNISTD_64_H */ diff --git a/arch/sh/kernel/syscalls_32.S b/arch/sh/kernel/syscalls_32.S index fe97ae5e56f1..734234be2f01 100644 --- a/arch/sh/kernel/syscalls_32.S +++ b/arch/sh/kernel/syscalls_32.S @@ -385,3 +385,4 @@ ENTRY(sys_call_table) .long sys_process_vm_readv /* 365 */ .long sys_process_vm_writev .long sys_kcmp + .long sys_finit_module diff --git a/arch/sh/kernel/syscalls_64.S b/arch/sh/kernel/syscalls_64.S index 5c7b1c67bdc1..579fcb9a896b 100644 --- a/arch/sh/kernel/syscalls_64.S +++ b/arch/sh/kernel/syscalls_64.S @@ -405,3 +405,4 @@ sys_call_table: .long sys_process_vm_readv .long sys_process_vm_writev .long sys_kcmp + .long sys_finit_module diff --git a/arch/sh/lib/mcount.S b/arch/sh/lib/mcount.S index 60164e65d665..52aa2011d753 100644 --- a/arch/sh/lib/mcount.S +++ b/arch/sh/lib/mcount.S @@ -294,6 +294,8 @@ stack_panic: .align 2 .L_init_thread_union: .long init_thread_union +.L_ebss: + .long __bss_stop .Lpanic: .long panic .Lpanic_s: diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c index b1942e222768..18e329ca108e 100644 --- a/arch/x86/boot/compressed/eboot.c +++ b/arch/x86/boot/compressed/eboot.c @@ -302,7 +302,7 @@ static efi_status_t setup_efi_pci(struct boot_params *params) if (status != EFI_SUCCESS) continue; - if (!attributes & EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM) + if (!(attributes & EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM)) continue; if (!pci->romimage || !pci->romsize) diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index 4428fd178bce..6774c17a5576 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -340,9 +340,6 @@ int x86_setup_perfctr(struct perf_event *event) /* BTS is currently only allowed for user-mode. */ if (!attr->exclude_kernel) return -EOPNOTSUPP; - - if (!attr->exclude_guest) - return -EOPNOTSUPP; } hwc->config |= config; @@ -385,9 +382,6 @@ int x86_pmu_hw_config(struct perf_event *event) if (event->attr.precise_ip) { int precise = 0; - if (!event->attr.exclude_guest) - return -EOPNOTSUPP; - /* Support for constant skid */ if (x86_pmu.pebs_active && !x86_pmu.pebs_broken) { precise++; diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S index ff84d5469d77..6ed91d9980e2 100644 --- a/arch/x86/kernel/entry_32.S +++ b/arch/x86/kernel/entry_32.S @@ -1065,7 +1065,6 @@ ENTRY(xen_failsafe_callback) lea 16(%esp),%esp CFI_ADJUST_CFA_OFFSET -16 jz 5f - addl $16,%esp jmp iret_exc 5: pushl_cfi $-1 /* orig_ax = -1 => not a system call */ SAVE_ALL diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 23ddd558fbd5..00f6c1472b85 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -610,6 +610,83 @@ static __init void reserve_ibft_region(void) static unsigned reserve_low = CONFIG_X86_RESERVE_LOW << 10; +static bool __init snb_gfx_workaround_needed(void) +{ +#ifdef CONFIG_PCI + int i; + u16 vendor, devid; + static const __initconst u16 snb_ids[] = { + 0x0102, + 0x0112, + 0x0122, + 0x0106, + 0x0116, + 0x0126, + 0x010a, + }; + + /* Assume no if something weird is going on with PCI */ + if (!early_pci_allowed()) + return false; + + vendor = read_pci_config_16(0, 2, 0, PCI_VENDOR_ID); + if (vendor != 0x8086) + return false; + + devid = read_pci_config_16(0, 2, 0, PCI_DEVICE_ID); + for (i = 0; i < ARRAY_SIZE(snb_ids); i++) + if (devid == snb_ids[i]) + return true; +#endif + + return false; +} + +/* + * Sandy Bridge graphics has trouble with certain ranges, exclude + * them from allocation. + */ +static void __init trim_snb_memory(void) +{ + static const __initconst unsigned long bad_pages[] = { + 0x20050000, + 0x20110000, + 0x20130000, + 0x20138000, + 0x40004000, + }; + int i; + + if (!snb_gfx_workaround_needed()) + return; + + printk(KERN_DEBUG "reserving inaccessible SNB gfx pages\n"); + + /* + * Reserve all memory below the 1 MB mark that has not + * already been reserved. + */ + memblock_reserve(0, 1<<20); + + for (i = 0; i < ARRAY_SIZE(bad_pages); i++) { + if (memblock_reserve(bad_pages[i], PAGE_SIZE)) + printk(KERN_WARNING "failed to reserve 0x%08lx\n", + bad_pages[i]); + } +} + +/* + * Here we put platform-specific memory range workarounds, i.e. + * memory known to be corrupt or otherwise in need to be reserved on + * specific platforms. + * + * If this gets used more widely it could use a real dispatch mechanism. + */ +static void __init trim_platform_memory_ranges(void) +{ + trim_snb_memory(); +} + static void __init trim_bios_range(void) { /* @@ -630,6 +707,7 @@ static void __init trim_bios_range(void) * take them out. */ e820_remove_range(BIOS_BEGIN, BIOS_END - BIOS_BEGIN, E820_RAM, 1); + sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map); } @@ -908,6 +986,8 @@ void __init setup_arch(char **cmdline_p) setup_real_mode(); + trim_platform_memory_ranges(); + init_gbpages(); /* max_pfn_mapped is updated here */ diff --git a/arch/x86/kernel/step.c b/arch/x86/kernel/step.c index cd3b2438a980..9b4d51d0c0d0 100644 --- a/arch/x86/kernel/step.c +++ b/arch/x86/kernel/step.c @@ -165,10 +165,11 @@ void set_task_blockstep(struct task_struct *task, bool on) * Ensure irq/preemption can't change debugctl in between. * Note also that both TIF_BLOCKSTEP and debugctl should * be changed atomically wrt preemption. - * FIXME: this means that set/clear TIF_BLOCKSTEP is simply - * wrong if task != current, SIGKILL can wakeup the stopped - * tracee and set/clear can play with the running task, this - * can confuse the next __switch_to_xtra(). + * + * NOTE: this means that set/clear TIF_BLOCKSTEP is only safe if + * task is current or it can't be running, otherwise we can race + * with __switch_to_xtra(). We rely on ptrace_freeze_traced() but + * PTRACE_KILL is not safe. */ local_irq_disable(); debugctl = get_debugctlmsr(); diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index 4f7d2599b484..34bc4cee8887 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c @@ -432,13 +432,6 @@ static void __cpuinit xen_play_dead(void) /* used only with HOTPLUG_CPU */ play_dead_common(); HYPERVISOR_vcpu_op(VCPUOP_down, smp_processor_id(), NULL); cpu_bringup(); - /* - * Balance out the preempt calls - as we are running in cpu_idle - * loop which has been called at bootup from cpu_bringup_and_idle. - * The cpucpu_bringup_and_idle called cpu_bringup which made a - * preempt_disable() So this preempt_enable will balance it out. - */ - preempt_enable(); } #else /* !CONFIG_HOTPLUG_CPU */ diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c index 00a783661d0b..46f80e2c92f7 100644 --- a/drivers/acpi/apei/apei-base.c +++ b/drivers/acpi/apei/apei-base.c @@ -590,6 +590,9 @@ static int apei_check_gar(struct acpi_generic_address *reg, u64 *paddr, if (bit_width == 32 && bit_offset == 0 && (*paddr & 0x03) == 0 && *access_bit_width < 32) *access_bit_width = 32; + else if (bit_width == 64 && bit_offset == 0 && (*paddr & 0x07) == 0 && + *access_bit_width < 64) + *access_bit_width = 64; if ((bit_width + bit_offset) > *access_bit_width) { pr_warning(FW_BUG APEI_PFX diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 95af6f674a6c..35da18113216 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -297,7 +297,7 @@ static int acpi_platform_notify(struct device *dev) if (!ret) { struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; - acpi_get_name(dev->acpi_handle, ACPI_FULL_PATHNAME, &buffer); + acpi_get_name(ACPI_HANDLE(dev), ACPI_FULL_PATHNAME, &buffer); DBG("Device %s -> %s\n", dev_name(dev), (char *)buffer.pointer); kfree(buffer.pointer); } else diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index f1a5da44591d..ed9a1cc690be 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -958,6 +958,9 @@ static int acpi_processor_setup_cpuidle_cx(struct acpi_processor *pr) return -EINVAL; } + if (!dev) + return -EINVAL; + dev->cpu = pr->id; if (max_cstate == 0) @@ -1149,6 +1152,7 @@ int acpi_processor_cst_has_changed(struct acpi_processor *pr) } /* Populate Updated C-state information */ + acpi_processor_get_power_info(pr); acpi_processor_setup_cpuidle_states(pr); /* Enable all cpuidle devices */ diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index 836bfe069042..53e7ac9403a7 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -340,6 +340,13 @@ static void amd_fixup_frequency(struct acpi_processor_px *px, int i) if ((boot_cpu_data.x86 == 0x10 && boot_cpu_data.x86_model < 10) || boot_cpu_data.x86 == 0x11) { rdmsr(MSR_AMD_PSTATE_DEF_BASE + index, lo, hi); + /* + * MSR C001_0064+: + * Bit 63: PstateEn. Read-write. If set, the P-state is valid. + */ + if (!(hi & BIT(31))) + return; + fid = lo & 0x3f; did = (lo >> 6) & 7; if (boot_cpu_data.x86 == 0x10) diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 7862d17976b7..497912732566 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -53,6 +53,7 @@ enum { AHCI_PCI_BAR_STA2X11 = 0, + AHCI_PCI_BAR_ENMOTUS = 2, AHCI_PCI_BAR_STANDARD = 5, }; @@ -410,6 +411,9 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */ { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */ + /* Enmotus */ + { PCI_DEVICE(0x1c44, 0x8000), board_ahci }, + /* Generic, PCI class code for AHCI */ { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci }, @@ -1098,9 +1102,11 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) dev_info(&pdev->dev, "PDC42819 can only drive SATA devices with this driver\n"); - /* The Connext uses non-standard BAR */ + /* Both Connext and Enmotus devices use non-standard BARs */ if (pdev->vendor == PCI_VENDOR_ID_STMICRO && pdev->device == 0xCC06) ahci_pci_bar = AHCI_PCI_BAR_STA2X11; + else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000) + ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS; /* acquire resources */ rc = pcim_enable_device(pdev); diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index 320712a7b9ea..6cd7805e47ca 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -1951,13 +1951,13 @@ static void ahci_set_aggressive_devslp(struct ata_port *ap, bool sleep) /* Use the nominal value 10 ms if the read MDAT is zero, * the nominal value of DETO is 20 ms. */ - if (dev->sata_settings[ATA_LOG_DEVSLP_VALID] & + if (dev->devslp_timing[ATA_LOG_DEVSLP_VALID] & ATA_LOG_DEVSLP_VALID_MASK) { - mdat = dev->sata_settings[ATA_LOG_DEVSLP_MDAT] & + mdat = dev->devslp_timing[ATA_LOG_DEVSLP_MDAT] & ATA_LOG_DEVSLP_MDAT_MASK; if (!mdat) mdat = 10; - deto = dev->sata_settings[ATA_LOG_DEVSLP_DETO]; + deto = dev->devslp_timing[ATA_LOG_DEVSLP_DETO]; if (!deto) deto = 20; } else { diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 9e8b99af400d..46cd3f4c6aaa 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2325,24 +2325,28 @@ int ata_dev_configure(struct ata_device *dev) } } - /* check and mark DevSlp capability */ - if (ata_id_has_devslp(dev->id)) - dev->flags |= ATA_DFLAG_DEVSLP; - - /* Obtain SATA Settings page from Identify Device Data Log, - * which contains DevSlp timing variables etc. - * Exclude old devices with ata_id_has_ncq() + /* Check and mark DevSlp capability. Get DevSlp timing variables + * from SATA Settings page of Identify Device Data Log. */ - if (ata_id_has_ncq(dev->id)) { + if (ata_id_has_devslp(dev->id)) { + u8 sata_setting[ATA_SECT_SIZE]; + int i, j; + + dev->flags |= ATA_DFLAG_DEVSLP; err_mask = ata_read_log_page(dev, ATA_LOG_SATA_ID_DEV_DATA, ATA_LOG_SATA_SETTINGS, - dev->sata_settings, + sata_setting, 1); if (err_mask) ata_dev_dbg(dev, "failed to get Identify Device Data, Emask 0x%x\n", err_mask); + else + for (i = 0; i < ATA_LOG_DEVSLP_SIZE; i++) { + j = ATA_LOG_DEVSLP_OFFSET + i; + dev->devslp_timing[i] = sata_setting[j]; + } } dev->cdb_len = 16; diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index bf039b0e97b7..bcf4437214f5 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -2094,7 +2094,7 @@ static unsigned int ata_eh_speed_down(struct ata_device *dev, */ static inline int ata_eh_worth_retry(struct ata_queued_cmd *qc) { - if (qc->flags & AC_ERR_MEDIA) + if (qc->err_mask & AC_ERR_MEDIA) return 0; /* don't retry media errors */ if (qc->flags & ATA_QCFLAG_IO) return 1; /* otherwise retry anything from fs stack */ diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index 63452943abd1..fb10728f6372 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -224,7 +224,7 @@ static void cpu_device_release(struct device *dev) * by the cpu device. * * Never copy this way of doing things, or you too will be made fun of - * on the linux-kerenl list, you have been warned. + * on the linux-kernel list, you have been warned. */ } diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c index d81460309182..b392b353be39 100644 --- a/drivers/base/firmware_class.c +++ b/drivers/base/firmware_class.c @@ -305,7 +305,7 @@ static bool fw_read_file_contents(struct file *file, struct firmware_buf *fw_buf char *buf; size = fw_file_size(file); - if (size < 0) + if (size <= 0) return false; buf = vmalloc(size); if (!buf) diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c index 07aad786f817..d9a6c94ce423 100644 --- a/drivers/base/regmap/regmap-debugfs.c +++ b/drivers/base/regmap/regmap-debugfs.c @@ -56,6 +56,19 @@ static const struct file_operations regmap_name_fops = { .llseek = default_llseek, }; +static void regmap_debugfs_free_dump_cache(struct regmap *map) +{ + struct regmap_debugfs_off_cache *c; + + while (!list_empty(&map->debugfs_off_cache)) { + c = list_first_entry(&map->debugfs_off_cache, + struct regmap_debugfs_off_cache, + list); + list_del(&c->list); + kfree(c); + } +} + /* * Work out where the start offset maps into register numbers, bearing * in mind that we suppress hidden registers. @@ -91,8 +104,10 @@ static unsigned int regmap_debugfs_get_dump_start(struct regmap *map, /* No cache entry? Start a new one */ if (!c) { c = kzalloc(sizeof(*c), GFP_KERNEL); - if (!c) - break; + if (!c) { + regmap_debugfs_free_dump_cache(map); + return base; + } c->min = p; c->base_reg = i; } @@ -101,14 +116,32 @@ static unsigned int regmap_debugfs_get_dump_start(struct regmap *map, } } + /* Close the last entry off if we didn't scan beyond it */ + if (c) { + c->max = p - 1; + list_add_tail(&c->list, + &map->debugfs_off_cache); + } + + /* + * This should never happen; we return above if we fail to + * allocate and we should never be in this code if there are + * no registers at all. + */ + if (list_empty(&map->debugfs_off_cache)) { + WARN_ON(list_empty(&map->debugfs_off_cache)); + return base; + } + /* Find the relevant block */ list_for_each_entry(c, &map->debugfs_off_cache, list) { - if (*pos >= c->min && *pos <= c->max) { + if (from >= c->min && from <= c->max) { *pos = c->min; return c->base_reg; } - ret = c->max; + *pos = c->min; + ret = c->base_reg; } return ret; @@ -387,16 +420,8 @@ void regmap_debugfs_init(struct regmap *map, const char *name) void regmap_debugfs_exit(struct regmap *map) { - struct regmap_debugfs_off_cache *c; - debugfs_remove_recursive(map->debugfs); - while (!list_empty(&map->debugfs_off_cache)) { - c = list_first_entry(&map->debugfs_off_cache, - struct regmap_debugfs_off_cache, - list); - list_del(&c->list); - kfree(c); - } + regmap_debugfs_free_dump_cache(map); kfree(map->debugfs_name); } diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index 42d5cb0f503f..f00b059c057a 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -1106,7 +1106,7 @@ EXPORT_SYMBOL_GPL(regmap_raw_write); * @val_count: Number of registers to write * * This function is intended to be used for writing a large block of - * data to be device either in single transfer or multiple transfer. + * data to the device either in single transfer or multiple transfer. * * A value of zero will be returned on success, a negative errno will * be returned in error cases. diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index 9d8409c02082..8ad21a25bc0d 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -889,6 +889,7 @@ static void virtblk_remove(struct virtio_device *vdev) { struct virtio_blk *vblk = vdev->priv; int index = vblk->index; + int refc; /* Prevent config work handler from accessing the device. */ mutex_lock(&vblk->config_lock); @@ -903,11 +904,15 @@ static void virtblk_remove(struct virtio_device *vdev) flush_work(&vblk->config_work); + refc = atomic_read(&disk_to_dev(vblk->disk)->kobj.kref.refcount); put_disk(vblk->disk); mempool_destroy(vblk->pool); vdev->config->del_vqs(vdev); kfree(vblk); - ida_simple_remove(&vd_index_ida, index); + + /* Only free device id if we don't have any users */ + if (refc == 1) + ida_simple_remove(&vd_index_ida, index); } #ifdef CONFIG_PM diff --git a/drivers/clk/mvebu/clk-cpu.c b/drivers/clk/mvebu/clk-cpu.c index ff004578a119..9dd2551a0a41 100644 --- a/drivers/clk/mvebu/clk-cpu.c +++ b/drivers/clk/mvebu/clk-cpu.c @@ -124,7 +124,7 @@ void __init of_cpu_clk_setup(struct device_node *node) clks = kzalloc(ncpus * sizeof(*clks), GFP_KERNEL); if (WARN_ON(!clks)) - return; + goto clks_out; for_each_node_by_type(dn, "cpu") { struct clk_init_data init; @@ -134,11 +134,11 @@ void __init of_cpu_clk_setup(struct device_node *node) int cpu, err; if (WARN_ON(!clk_name)) - return; + goto bail_out; err = of_property_read_u32(dn, "reg", &cpu); if (WARN_ON(err)) - return; + goto bail_out; sprintf(clk_name, "cpu%d", cpu); parent_clk = of_clk_get(node, 0); @@ -167,6 +167,9 @@ void __init of_cpu_clk_setup(struct device_node *node) return; bail_out: kfree(clks); + while(ncpus--) + kfree(cpuclk[ncpus].clk_name); +clks_out: kfree(cpuclk); } diff --git a/drivers/cpufreq/Kconfig.x86 b/drivers/cpufreq/Kconfig.x86 index 934854ae5eb4..7227cd734042 100644 --- a/drivers/cpufreq/Kconfig.x86 +++ b/drivers/cpufreq/Kconfig.x86 @@ -106,7 +106,7 @@ config X86_POWERNOW_K7_ACPI config X86_POWERNOW_K8 tristate "AMD Opteron/Athlon64 PowerNow!" select CPU_FREQ_TABLE - depends on ACPI && ACPI_PROCESSOR + depends on ACPI && ACPI_PROCESSOR && X86_ACPI_CPUFREQ help This adds the CPUFreq driver for K8/early Opteron/Athlon64 processors. Support for K10 and newer processors is now in acpi-cpufreq. diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c index 0d048f6a2b23..7b0d49d78c61 100644 --- a/drivers/cpufreq/acpi-cpufreq.c +++ b/drivers/cpufreq/acpi-cpufreq.c @@ -1030,4 +1030,11 @@ MODULE_PARM_DESC(acpi_pstate_strict, late_initcall(acpi_cpufreq_init); module_exit(acpi_cpufreq_exit); +static const struct x86_cpu_id acpi_cpufreq_ids[] = { + X86_FEATURE_MATCH(X86_FEATURE_ACPI), + X86_FEATURE_MATCH(X86_FEATURE_HW_PSTATE), + {} +}; +MODULE_DEVICE_TABLE(x86cpu, acpi_cpufreq_ids); + MODULE_ALIAS("acpi"); diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c index 52bf36d599f5..debc5a7c8db6 100644 --- a/drivers/cpufreq/cpufreq-cpu0.c +++ b/drivers/cpufreq/cpufreq-cpu0.c @@ -71,12 +71,15 @@ static int cpu0_set_target(struct cpufreq_policy *policy, } if (cpu_reg) { + rcu_read_lock(); opp = opp_find_freq_ceil(cpu_dev, &freq_Hz); if (IS_ERR(opp)) { + rcu_read_unlock(); pr_err("failed to find OPP for %ld\n", freq_Hz); return PTR_ERR(opp); } volt = opp_get_voltage(opp); + rcu_read_unlock(); tol = volt * voltage_tolerance / 100; volt_old = regulator_get_voltage(cpu_reg); } @@ -236,12 +239,14 @@ static int cpu0_cpufreq_driver_init(void) */ for (i = 0; freq_table[i].frequency != CPUFREQ_TABLE_END; i++) ; + rcu_read_lock(); opp = opp_find_freq_exact(cpu_dev, freq_table[0].frequency * 1000, true); min_uV = opp_get_voltage(opp); opp = opp_find_freq_exact(cpu_dev, freq_table[i-1].frequency * 1000, true); max_uV = opp_get_voltage(opp); + rcu_read_unlock(); ret = regulator_set_voltage_time(cpu_reg, min_uV, max_uV); if (ret > 0) transition_latency += ret * 1000; diff --git a/drivers/cpufreq/omap-cpufreq.c b/drivers/cpufreq/omap-cpufreq.c index 1f3417a8322d..97102b05843f 100644 --- a/drivers/cpufreq/omap-cpufreq.c +++ b/drivers/cpufreq/omap-cpufreq.c @@ -110,13 +110,16 @@ static int omap_target(struct cpufreq_policy *policy, freq = ret; if (mpu_reg) { + rcu_read_lock(); opp = opp_find_freq_ceil(mpu_dev, &freq); if (IS_ERR(opp)) { + rcu_read_unlock(); dev_err(mpu_dev, "%s: unable to find MPU OPP for %d\n", __func__, freqs.new); return -EINVAL; } volt = opp_get_voltage(opp); + rcu_read_unlock(); tol = volt * OPP_TOLERANCE / 100; volt_old = regulator_get_voltage(mpu_reg); } diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index fb4a7dd57f94..e1f6860e069c 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -69,24 +69,15 @@ int cpuidle_play_dead(void) { struct cpuidle_device *dev = __this_cpu_read(cpuidle_devices); struct cpuidle_driver *drv = cpuidle_get_cpu_driver(dev); - int i, dead_state = -1; - int power_usage = INT_MAX; + int i; if (!drv) return -ENODEV; /* Find lowest-power state that supports long-term idle */ - for (i = CPUIDLE_DRIVER_STATE_START; i < drv->state_count; i++) { - struct cpuidle_state *s = &drv->states[i]; - - if (s->power_usage < power_usage && s->enter_dead) { - power_usage = s->power_usage; - dead_state = i; - } - } - - if (dead_state != -1) - return drv->states[dead_state].enter_dead(dev, dead_state); + for (i = drv->state_count - 1; i >= CPUIDLE_DRIVER_STATE_START; i--) + if (drv->states[i].enter_dead) + return drv->states[i].enter_dead(dev, i); return -ENODEV; } diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c index c2b281afe0ed..422c7b69ba7c 100644 --- a/drivers/cpuidle/driver.c +++ b/drivers/cpuidle/driver.c @@ -19,34 +19,9 @@ DEFINE_SPINLOCK(cpuidle_driver_lock); static void __cpuidle_set_cpu_driver(struct cpuidle_driver *drv, int cpu); static struct cpuidle_driver * __cpuidle_get_cpu_driver(int cpu); -static void set_power_states(struct cpuidle_driver *drv) -{ - int i; - - /* - * cpuidle driver should set the drv->power_specified bit - * before registering if the driver provides - * power_usage numbers. - * - * If power_specified is not set, - * we fill in power_usage with decreasing values as the - * cpuidle code has an implicit assumption that state Cn - * uses less power than C(n-1). - * - * With CONFIG_ARCH_HAS_CPU_RELAX, C0 is already assigned - * an power value of -1. So we use -2, -3, etc, for other - * c-states. - */ - for (i = CPUIDLE_DRIVER_STATE_START; i < drv->state_count; i++) - drv->states[i].power_usage = -1 - i; -} - static void __cpuidle_driver_init(struct cpuidle_driver *drv) { drv->refcnt = 0; - - if (!drv->power_specified) - set_power_states(drv); } static int __cpuidle_register_driver(struct cpuidle_driver *drv, int cpu) diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c index 20ea33afdda1..fe343a06b7da 100644 --- a/drivers/cpuidle/governors/menu.c +++ b/drivers/cpuidle/governors/menu.c @@ -312,7 +312,6 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) { struct menu_device *data = &__get_cpu_var(menu_devices); int latency_req = pm_qos_request(PM_QOS_CPU_DMA_LATENCY); - int power_usage = INT_MAX; int i; int multiplier; struct timespec t; @@ -383,11 +382,8 @@ static int menu_select(struct cpuidle_driver *drv, struct cpuidle_device *dev) if (s->exit_latency * multiplier > data->predicted_us) continue; - if (s->power_usage < power_usage) { - power_usage = s->power_usage; - data->last_state_idx = i; - data->exit_us = s->exit_latency; - } + data->last_state_idx = i; + data->exit_us = s->exit_latency; } /* not deepest C-state chosen for low predicted residency */ diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c index 340942946106..428754af6236 100644 --- a/drivers/cpuidle/sysfs.c +++ b/drivers/cpuidle/sysfs.c @@ -374,7 +374,7 @@ static int cpuidle_add_state_sysfs(struct cpuidle_device *device) struct cpuidle_driver *drv = cpuidle_get_cpu_driver(device); /* state statistics */ - for (i = 0; i < drv->state_count; i++) { + for (i = 0; i < device->state_count; i++) { kobj = kzalloc(sizeof(struct cpuidle_state_kobj), GFP_KERNEL); if (!kobj) goto error_state; diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c index 53766f39aadd..3b367973a802 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -994,6 +994,11 @@ module_exit(devfreq_exit); * @freq: The frequency given to target function * @flags: Flags handed from devfreq framework. * + * Locking: This function must be called under rcu_read_lock(). opp is a rcu + * protected pointer. The reason for the same is that the opp pointer which is + * returned will remain valid for use with opp_get_{voltage, freq} only while + * under the locked area. The pointer returned must be used prior to unlocking + * with rcu_read_unlock() to maintain the integrity of the pointer. */ struct opp *devfreq_recommended_opp(struct device *dev, unsigned long *freq, u32 flags) diff --git a/drivers/devfreq/exynos4_bus.c b/drivers/devfreq/exynos4_bus.c index 80c745e83082..46d94e9e95b5 100644 --- a/drivers/devfreq/exynos4_bus.c +++ b/drivers/devfreq/exynos4_bus.c @@ -73,6 +73,16 @@ enum busclk_level_idx { #define EX4210_LV_NUM (LV_2 + 1) #define EX4x12_LV_NUM (LV_4 + 1) +/** + * struct busfreq_opp_info - opp information for bus + * @rate: Frequency in hertz + * @volt: Voltage in microvolts corresponding to this OPP + */ +struct busfreq_opp_info { + unsigned long rate; + unsigned long volt; +}; + struct busfreq_data { enum exynos4_busf_type type; struct device *dev; @@ -80,7 +90,7 @@ struct busfreq_data { bool disabled; struct regulator *vdd_int; struct regulator *vdd_mif; /* Exynos4412/4212 only */ - struct opp *curr_opp; + struct busfreq_opp_info curr_oppinfo; struct exynos4_ppmu dmc[2]; struct notifier_block pm_notifier; @@ -296,13 +306,14 @@ static unsigned int exynos4x12_clkdiv_sclkip[][3] = { }; -static int exynos4210_set_busclk(struct busfreq_data *data, struct opp *opp) +static int exynos4210_set_busclk(struct busfreq_data *data, + struct busfreq_opp_info *oppi) { unsigned int index; unsigned int tmp; for (index = LV_0; index < EX4210_LV_NUM; index++) - if (opp_get_freq(opp) == exynos4210_busclk_table[index].clk) + if (oppi->rate == exynos4210_busclk_table[index].clk) break; if (index == EX4210_LV_NUM) @@ -361,13 +372,14 @@ static int exynos4210_set_busclk(struct busfreq_data *data, struct opp *opp) return 0; } -static int exynos4x12_set_busclk(struct busfreq_data *data, struct opp *opp) +static int exynos4x12_set_busclk(struct busfreq_data *data, + struct busfreq_opp_info *oppi) { unsigned int index; unsigned int tmp; for (index = LV_0; index < EX4x12_LV_NUM; index++) - if (opp_get_freq(opp) == exynos4x12_mifclk_table[index].clk) + if (oppi->rate == exynos4x12_mifclk_table[index].clk) break; if (index == EX4x12_LV_NUM) @@ -576,11 +588,12 @@ static int exynos4x12_get_intspec(unsigned long mifclk) return -EINVAL; } -static int exynos4_bus_setvolt(struct busfreq_data *data, struct opp *opp, - struct opp *oldopp) +static int exynos4_bus_setvolt(struct busfreq_data *data, + struct busfreq_opp_info *oppi, + struct busfreq_opp_info *oldoppi) { int err = 0, tmp; - unsigned long volt = opp_get_voltage(opp); + unsigned long volt = oppi->volt; switch (data->type) { case TYPE_BUSF_EXYNOS4210: @@ -595,11 +608,11 @@ static int exynos4_bus_setvolt(struct busfreq_data *data, struct opp *opp, if (err) break; - tmp = exynos4x12_get_intspec(opp_get_freq(opp)); + tmp = exynos4x12_get_intspec(oppi->rate); if (tmp < 0) { err = tmp; regulator_set_voltage(data->vdd_mif, - opp_get_voltage(oldopp), + oldoppi->volt, MAX_SAFEVOLT); break; } @@ -609,7 +622,7 @@ static int exynos4_bus_setvolt(struct busfreq_data *data, struct opp *opp, /* Try to recover */ if (err) regulator_set_voltage(data->vdd_mif, - opp_get_voltage(oldopp), + oldoppi->volt, MAX_SAFEVOLT); break; default: @@ -626,17 +639,26 @@ static int exynos4_bus_target(struct device *dev, unsigned long *_freq, struct platform_device *pdev = container_of(dev, struct platform_device, dev); struct busfreq_data *data = platform_get_drvdata(pdev); - struct opp *opp = devfreq_recommended_opp(dev, _freq, flags); - unsigned long freq = opp_get_freq(opp); - unsigned long old_freq = opp_get_freq(data->curr_opp); + struct opp *opp; + unsigned long freq; + unsigned long old_freq = data->curr_oppinfo.rate; + struct busfreq_opp_info new_oppinfo; - if (IS_ERR(opp)) + rcu_read_lock(); + opp = devfreq_recommended_opp(dev, _freq, flags); + if (IS_ERR(opp)) { + rcu_read_unlock(); return PTR_ERR(opp); + } + new_oppinfo.rate = opp_get_freq(opp); + new_oppinfo.volt = opp_get_voltage(opp); + rcu_read_unlock(); + freq = new_oppinfo.rate; if (old_freq == freq) return 0; - dev_dbg(dev, "targetting %lukHz %luuV\n", freq, opp_get_voltage(opp)); + dev_dbg(dev, "targetting %lukHz %luuV\n", freq, new_oppinfo.volt); mutex_lock(&data->lock); @@ -644,17 +666,18 @@ static int exynos4_bus_target(struct device *dev, unsigned long *_freq, goto out; if (old_freq < freq) - err = exynos4_bus_setvolt(data, opp, data->curr_opp); + err = exynos4_bus_setvolt(data, &new_oppinfo, + &data->curr_oppinfo); if (err) goto out; if (old_freq != freq) { switch (data->type) { case TYPE_BUSF_EXYNOS4210: - err = exynos4210_set_busclk(data, opp); + err = exynos4210_set_busclk(data, &new_oppinfo); break; case TYPE_BUSF_EXYNOS4x12: - err = exynos4x12_set_busclk(data, opp); + err = exynos4x12_set_busclk(data, &new_oppinfo); break; default: err = -EINVAL; @@ -664,11 +687,12 @@ static int exynos4_bus_target(struct device *dev, unsigned long *_freq, goto out; if (old_freq > freq) - err = exynos4_bus_setvolt(data, opp, data->curr_opp); + err = exynos4_bus_setvolt(data, &new_oppinfo, + &data->curr_oppinfo); if (err) goto out; - data->curr_opp = opp; + data->curr_oppinfo = new_oppinfo; out: mutex_unlock(&data->lock); return err; @@ -702,7 +726,7 @@ static int exynos4_bus_get_dev_status(struct device *dev, exynos4_read_ppmu(data); busier_dmc = exynos4_get_busier_dmc(data); - stat->current_frequency = opp_get_freq(data->curr_opp); + stat->current_frequency = data->curr_oppinfo.rate; if (busier_dmc) addr = S5P_VA_DMC1; @@ -933,6 +957,7 @@ static int exynos4_busfreq_pm_notifier_event(struct notifier_block *this, struct busfreq_data *data = container_of(this, struct busfreq_data, pm_notifier); struct opp *opp; + struct busfreq_opp_info new_oppinfo; unsigned long maxfreq = ULONG_MAX; int err = 0; @@ -943,18 +968,29 @@ static int exynos4_busfreq_pm_notifier_event(struct notifier_block *this, data->disabled = true; + rcu_read_lock(); opp = opp_find_freq_floor(data->dev, &maxfreq); + if (IS_ERR(opp)) { + rcu_read_unlock(); + dev_err(data->dev, "%s: unable to find a min freq\n", + __func__); + return PTR_ERR(opp); + } + new_oppinfo.rate = opp_get_freq(opp); + new_oppinfo.volt = opp_get_voltage(opp); + rcu_read_unlock(); - err = exynos4_bus_setvolt(data, opp, data->curr_opp); + err = exynos4_bus_setvolt(data, &new_oppinfo, + &data->curr_oppinfo); if (err) goto unlock; switch (data->type) { case TYPE_BUSF_EXYNOS4210: - err = exynos4210_set_busclk(data, opp); + err = exynos4210_set_busclk(data, &new_oppinfo); break; case TYPE_BUSF_EXYNOS4x12: - err = exynos4x12_set_busclk(data, opp); + err = exynos4x12_set_busclk(data, &new_oppinfo); break; default: err = -EINVAL; @@ -962,7 +998,7 @@ static int exynos4_busfreq_pm_notifier_event(struct notifier_block *this, if (err) goto unlock; - data->curr_opp = opp; + data->curr_oppinfo = new_oppinfo; unlock: mutex_unlock(&data->lock); if (err) @@ -1027,13 +1063,17 @@ static int exynos4_busfreq_probe(struct platform_device *pdev) } } + rcu_read_lock(); opp = opp_find_freq_floor(dev, &exynos4_devfreq_profile.initial_freq); if (IS_ERR(opp)) { + rcu_read_unlock(); dev_err(dev, "Invalid initial frequency %lu kHz.\n", exynos4_devfreq_profile.initial_freq); return PTR_ERR(opp); } - data->curr_opp = opp; + data->curr_oppinfo.rate = opp_get_freq(opp); + data->curr_oppinfo.volt = opp_get_voltage(opp); + rcu_read_unlock(); platform_set_drvdata(pdev, data); diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c index dbf0e6f8de8a..a7dcf78b1ff8 100644 --- a/drivers/dma/imx-dma.c +++ b/drivers/dma/imx-dma.c @@ -684,9 +684,8 @@ static int imxdma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, break; } - imxdmac->hw_chaining = 1; - if (!imxdma_hw_chain(imxdmac)) - return -EINVAL; + imxdmac->hw_chaining = 0; + imxdmac->ccr_from_device = (mode | IMX_DMA_TYPE_FIFO) | ((IMX_DMA_MEMSIZE_32 | IMX_DMA_TYPE_LINEAR) << 2) | CCR_REN; diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c index e5fc944de1f0..3e9d66920eb3 100644 --- a/drivers/dma/ioat/dma_v3.c +++ b/drivers/dma/ioat/dma_v3.c @@ -951,7 +951,7 @@ static int ioat_xor_val_self_test(struct ioatdma_device *device) goto free_resources; } } - dma_sync_single_for_device(dev, dest_dma, PAGE_SIZE, DMA_TO_DEVICE); + dma_sync_single_for_device(dev, dest_dma, PAGE_SIZE, DMA_FROM_DEVICE); /* skip validate if the capability is not present */ if (!dma_has_cap(DMA_XOR_VAL, dma_chan->device->cap_mask)) diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c index c39e61bc8172..3cad856fe67f 100644 --- a/drivers/dma/tegra20-apb-dma.c +++ b/drivers/dma/tegra20-apb-dma.c @@ -266,6 +266,7 @@ static struct tegra_dma_desc *tegra_dma_desc_get( if (async_tx_test_ack(&dma_desc->txd)) { list_del(&dma_desc->node); spin_unlock_irqrestore(&tdc->lock, flags); + dma_desc->txd.flags = 0; return dma_desc; } } @@ -1050,7 +1051,9 @@ struct dma_async_tx_descriptor *tegra_dma_prep_dma_cyclic( TEGRA_APBDMA_AHBSEQ_WRAP_SHIFT; ahb_seq |= TEGRA_APBDMA_AHBSEQ_BUS_WIDTH_32; - csr |= TEGRA_APBDMA_CSR_FLOW | TEGRA_APBDMA_CSR_IE_EOC; + csr |= TEGRA_APBDMA_CSR_FLOW; + if (flags & DMA_PREP_INTERRUPT) + csr |= TEGRA_APBDMA_CSR_IE_EOC; csr |= tdc->dma_sconfig.slave_id << TEGRA_APBDMA_CSR_REQ_SEL_SHIFT; apb_seq |= TEGRA_APBDMA_APBSEQ_WRAP_WORD_1; @@ -1095,7 +1098,8 @@ struct dma_async_tx_descriptor *tegra_dma_prep_dma_cyclic( mem += len; } sg_req->last_sg = true; - dma_desc->txd.flags = 0; + if (flags & DMA_CTRL_ACK) + dma_desc->txd.flags = DMA_CTRL_ACK; /* * Make sure that mode should not be conflicting with currently diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index 7d9bd94be8d2..6819d63cb167 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -547,7 +547,6 @@ static int mvebu_gpio_probe(struct platform_device *pdev) mvchip->membase = devm_request_and_ioremap(&pdev->dev, res); if (! mvchip->membase) { dev_err(&pdev->dev, "Cannot ioremap\n"); - kfree(mvchip->chip.label); return -ENOMEM; } @@ -557,14 +556,12 @@ static int mvebu_gpio_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 1); if (! res) { dev_err(&pdev->dev, "Cannot get memory resource\n"); - kfree(mvchip->chip.label); return -ENODEV; } mvchip->percpu_membase = devm_request_and_ioremap(&pdev->dev, res); if (! mvchip->percpu_membase) { dev_err(&pdev->dev, "Cannot ioremap\n"); - kfree(mvchip->chip.label); return -ENOMEM; } } @@ -625,7 +622,6 @@ static int mvebu_gpio_probe(struct platform_device *pdev) mvchip->irqbase = irq_alloc_descs(-1, 0, ngpios, -1); if (mvchip->irqbase < 0) { dev_err(&pdev->dev, "no irqs\n"); - kfree(mvchip->chip.label); return -ENOMEM; } @@ -633,7 +629,6 @@ static int mvebu_gpio_probe(struct platform_device *pdev) mvchip->membase, handle_level_irq); if (! gc) { dev_err(&pdev->dev, "Cannot allocate generic irq_chip\n"); - kfree(mvchip->chip.label); return -ENOMEM; } @@ -668,7 +663,6 @@ static int mvebu_gpio_probe(struct platform_device *pdev) irq_remove_generic_chip(gc, IRQ_MSK(ngpios), IRQ_NOREQUEST, IRQ_LEVEL | IRQ_NOPROBE); kfree(gc); - kfree(mvchip->chip.label); return -ENODEV; } diff --git a/drivers/gpio/gpio-samsung.c b/drivers/gpio/gpio-samsung.c index 01f7fe955590..76be7eed79de 100644 --- a/drivers/gpio/gpio-samsung.c +++ b/drivers/gpio/gpio-samsung.c @@ -32,7 +32,6 @@ #include <mach/hardware.h> #include <mach/map.h> -#include <mach/regs-clock.h> #include <mach/regs-gpio.h> #include <plat/cpu.h> @@ -446,7 +445,7 @@ static struct samsung_gpio_cfg s3c24xx_gpiocfg_banka = { }; #endif -#if defined(CONFIG_ARCH_EXYNOS4) || defined(CONFIG_ARCH_EXYNOS5) +#if defined(CONFIG_ARCH_EXYNOS4) || defined(CONFIG_SOC_EXYNOS5250) static struct samsung_gpio_cfg exynos_gpio_cfg = { .set_pull = exynos_gpio_setpull, .get_pull = exynos_gpio_getpull, @@ -2446,7 +2445,7 @@ static struct samsung_gpio_chip exynos4_gpios_3[] = { }; #endif -#ifdef CONFIG_ARCH_EXYNOS5 +#ifdef CONFIG_SOC_EXYNOS5250 static struct samsung_gpio_chip exynos5_gpios_1[] = { { .chip = { @@ -2614,7 +2613,7 @@ static struct samsung_gpio_chip exynos5_gpios_1[] = { }; #endif -#ifdef CONFIG_ARCH_EXYNOS5 +#ifdef CONFIG_SOC_EXYNOS5250 static struct samsung_gpio_chip exynos5_gpios_2[] = { { .chip = { @@ -2675,7 +2674,7 @@ static struct samsung_gpio_chip exynos5_gpios_2[] = { }; #endif -#ifdef CONFIG_ARCH_EXYNOS5 +#ifdef CONFIG_SOC_EXYNOS5250 static struct samsung_gpio_chip exynos5_gpios_3[] = { { .chip = { @@ -2711,7 +2710,7 @@ static struct samsung_gpio_chip exynos5_gpios_3[] = { }; #endif -#ifdef CONFIG_ARCH_EXYNOS5 +#ifdef CONFIG_SOC_EXYNOS5250 static struct samsung_gpio_chip exynos5_gpios_4[] = { { .chip = { @@ -3010,7 +3009,7 @@ static __init int samsung_gpiolib_init(void) int i, nr_chips; int group = 0; -#ifdef CONFIG_PINCTRL_SAMSUNG +#if defined(CONFIG_PINCTRL_EXYNOS) || defined(CONFIG_PINCTRL_EXYNOS5440) /* * This gpio driver includes support for device tree support and there * are platforms using it. In order to maintain compatibility with those @@ -3026,6 +3025,7 @@ static __init int samsung_gpiolib_init(void) static const struct of_device_id exynos_pinctrl_ids[] = { { .compatible = "samsung,pinctrl-exynos4210", }, { .compatible = "samsung,pinctrl-exynos4x12", }, + { .compatible = "samsung,pinctrl-exynos5440", }, }; for_each_matching_node(pctrl_np, exynos_pinctrl_ids) if (pctrl_np && of_device_is_available(pctrl_np)) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index e6a11ca85eaf..7944d301518a 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -641,6 +641,7 @@ static void i915_ring_error_state(struct seq_file *m, seq_printf(m, "%s command stream:\n", ring_str(ring)); seq_printf(m, " HEAD: 0x%08x\n", error->head[ring]); seq_printf(m, " TAIL: 0x%08x\n", error->tail[ring]); + seq_printf(m, " CTL: 0x%08x\n", error->ctl[ring]); seq_printf(m, " ACTHD: 0x%08x\n", error->acthd[ring]); seq_printf(m, " IPEIR: 0x%08x\n", error->ipeir[ring]); seq_printf(m, " IPEHR: 0x%08x\n", error->ipehr[ring]); @@ -693,6 +694,8 @@ static int i915_error_state(struct seq_file *m, void *unused) seq_printf(m, "EIR: 0x%08x\n", error->eir); seq_printf(m, "IER: 0x%08x\n", error->ier); seq_printf(m, "PGTBL_ER: 0x%08x\n", error->pgtbl_er); + seq_printf(m, "FORCEWAKE: 0x%08x\n", error->forcewake); + seq_printf(m, "DERRMR: 0x%08x\n", error->derrmr); seq_printf(m, "CCID: 0x%08x\n", error->ccid); for (i = 0; i < dev_priv->num_fence_regs; i++) diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index ed3059575576..12ab3bdea54d 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -188,10 +188,13 @@ struct drm_i915_error_state { u32 pgtbl_er; u32 ier; u32 ccid; + u32 derrmr; + u32 forcewake; bool waiting[I915_NUM_RINGS]; u32 pipestat[I915_MAX_PIPES]; u32 tail[I915_NUM_RINGS]; u32 head[I915_NUM_RINGS]; + u32 ctl[I915_NUM_RINGS]; u32 ipeir[I915_NUM_RINGS]; u32 ipehr[I915_NUM_RINGS]; u32 instdone[I915_NUM_RINGS]; diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index d6a994a07393..26d08bb58218 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -539,6 +539,8 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev, total = 0; for (i = 0; i < count; i++) { struct drm_i915_gem_relocation_entry __user *user_relocs; + u64 invalid_offset = (u64)-1; + int j; user_relocs = (void __user *)(uintptr_t)exec[i].relocs_ptr; @@ -549,6 +551,25 @@ i915_gem_execbuffer_relocate_slow(struct drm_device *dev, goto err; } + /* As we do not update the known relocation offsets after + * relocating (due to the complexities in lock handling), + * we need to mark them as invalid now so that we force the + * relocation processing next time. Just in case the target + * object is evicted and then rebound into its old + * presumed_offset before the next execbuffer - if that + * happened we would make the mistake of assuming that the + * relocations were valid. + */ + for (j = 0; j < exec[i].relocation_count; j++) { + if (copy_to_user(&user_relocs[j].presumed_offset, + &invalid_offset, + sizeof(invalid_offset))) { + ret = -EFAULT; + mutex_lock(&dev->struct_mutex); + goto err; + } + } + reloc_offset[i] = total; total += exec[i].relocation_count; } diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 2220dec3e5d9..fe843389c7b4 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1157,6 +1157,7 @@ static void i915_record_ring_state(struct drm_device *dev, error->acthd[ring->id] = intel_ring_get_active_head(ring); error->head[ring->id] = I915_READ_HEAD(ring); error->tail[ring->id] = I915_READ_TAIL(ring); + error->ctl[ring->id] = I915_READ_CTL(ring); error->cpu_ring_head[ring->id] = ring->head; error->cpu_ring_tail[ring->id] = ring->tail; @@ -1251,6 +1252,16 @@ static void i915_capture_error_state(struct drm_device *dev) else error->ier = I915_READ(IER); + if (INTEL_INFO(dev)->gen >= 6) + error->derrmr = I915_READ(DERRMR); + + if (IS_VALLEYVIEW(dev)) + error->forcewake = I915_READ(FORCEWAKE_VLV); + else if (INTEL_INFO(dev)->gen >= 7) + error->forcewake = I915_READ(FORCEWAKE_MT); + else if (INTEL_INFO(dev)->gen == 6) + error->forcewake = I915_READ(FORCEWAKE); + for_each_pipe(pipe) error->pipestat[pipe] = I915_READ(PIPESTAT(pipe)); diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 186ee5c85b51..b401788e1791 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -512,6 +512,8 @@ #define GEN7_ERR_INT 0x44040 #define ERR_INT_MMIO_UNCLAIMED (1<<13) +#define DERRMR 0x44050 + /* GM45+ chicken bits -- debug workaround bits that may be required * for various sorts of correct behavior. The top 16 bits of each are * the enables for writing to the corresponding low bit. diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 1b63d55318a0..fb3715b4b09d 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -2579,7 +2579,8 @@ intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connect static void intel_dp_init_panel_power_sequencer(struct drm_device *dev, - struct intel_dp *intel_dp) + struct intel_dp *intel_dp, + struct edp_power_seq *out) { struct drm_i915_private *dev_priv = dev->dev_private; struct edp_power_seq cur, vbt, spec, final; @@ -2650,16 +2651,35 @@ intel_dp_init_panel_power_sequencer(struct drm_device *dev, intel_dp->panel_power_cycle_delay = get_delay(t11_t12); #undef get_delay + DRM_DEBUG_KMS("panel power up delay %d, power down delay %d, power cycle delay %d\n", + intel_dp->panel_power_up_delay, intel_dp->panel_power_down_delay, + intel_dp->panel_power_cycle_delay); + + DRM_DEBUG_KMS("backlight on delay %d, off delay %d\n", + intel_dp->backlight_on_delay, intel_dp->backlight_off_delay); + + if (out) + *out = final; +} + +static void +intel_dp_init_panel_power_sequencer_registers(struct drm_device *dev, + struct intel_dp *intel_dp, + struct edp_power_seq *seq) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + u32 pp_on, pp_off, pp_div; + /* And finally store the new values in the power sequencer. */ - pp_on = (final.t1_t3 << PANEL_POWER_UP_DELAY_SHIFT) | - (final.t8 << PANEL_LIGHT_ON_DELAY_SHIFT); - pp_off = (final.t9 << PANEL_LIGHT_OFF_DELAY_SHIFT) | - (final.t10 << PANEL_POWER_DOWN_DELAY_SHIFT); + pp_on = (seq->t1_t3 << PANEL_POWER_UP_DELAY_SHIFT) | + (seq->t8 << PANEL_LIGHT_ON_DELAY_SHIFT); + pp_off = (seq->t9 << PANEL_LIGHT_OFF_DELAY_SHIFT) | + (seq->t10 << PANEL_POWER_DOWN_DELAY_SHIFT); /* Compute the divisor for the pp clock, simply match the Bspec * formula. */ pp_div = ((100 * intel_pch_rawclk(dev))/2 - 1) << PP_REFERENCE_DIVIDER_SHIFT; - pp_div |= (DIV_ROUND_UP(final.t11_t12, 1000) + pp_div |= (DIV_ROUND_UP(seq->t11_t12, 1000) << PANEL_POWER_CYCLE_DELAY_SHIFT); /* Haswell doesn't have any port selection bits for the panel @@ -2675,14 +2695,6 @@ intel_dp_init_panel_power_sequencer(struct drm_device *dev, I915_WRITE(PCH_PP_OFF_DELAYS, pp_off); I915_WRITE(PCH_PP_DIVISOR, pp_div); - - DRM_DEBUG_KMS("panel power up delay %d, power down delay %d, power cycle delay %d\n", - intel_dp->panel_power_up_delay, intel_dp->panel_power_down_delay, - intel_dp->panel_power_cycle_delay); - - DRM_DEBUG_KMS("backlight on delay %d, off delay %d\n", - intel_dp->backlight_on_delay, intel_dp->backlight_off_delay); - DRM_DEBUG_KMS("panel power sequencer register settings: PP_ON %#x, PP_OFF %#x, PP_DIV %#x\n", I915_READ(PCH_PP_ON_DELAYS), I915_READ(PCH_PP_OFF_DELAYS), @@ -2699,6 +2711,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, struct drm_device *dev = intel_encoder->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; struct drm_display_mode *fixed_mode = NULL; + struct edp_power_seq power_seq = { 0 }; enum port port = intel_dig_port->port; const char *name = NULL; int type; @@ -2771,7 +2784,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, } if (is_edp(intel_dp)) - intel_dp_init_panel_power_sequencer(dev, intel_dp); + intel_dp_init_panel_power_sequencer(dev, intel_dp, &power_seq); intel_dp_i2c_init(intel_dp, intel_connector, name); @@ -2798,6 +2811,10 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, return; } + /* We now know it's not a ghost, init power sequence regs. */ + intel_dp_init_panel_power_sequencer_registers(dev, intel_dp, + &power_seq); + ironlake_edp_panel_vdd_on(intel_dp); edid = drm_get_edid(connector, &intel_dp->adapter); if (edid) { diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index e83a11794172..3280cffe50f4 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4250,7 +4250,8 @@ static void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv) static void __gen6_gt_force_wake_mt_reset(struct drm_i915_private *dev_priv) { I915_WRITE_NOTRACE(FORCEWAKE_MT, _MASKED_BIT_DISABLE(0xffff)); - POSTING_READ(ECOBUS); /* something from same cacheline, but !FORCEWAKE */ + /* something from same cacheline, but !FORCEWAKE_MT */ + POSTING_READ(ECOBUS); } static void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv) @@ -4267,7 +4268,8 @@ static void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv) DRM_ERROR("Timed out waiting for forcewake old ack to clear.\n"); I915_WRITE_NOTRACE(FORCEWAKE_MT, _MASKED_BIT_ENABLE(FORCEWAKE_KERNEL)); - POSTING_READ(ECOBUS); /* something from same cacheline, but !FORCEWAKE */ + /* something from same cacheline, but !FORCEWAKE_MT */ + POSTING_READ(ECOBUS); if (wait_for_atomic((I915_READ_NOTRACE(forcewake_ack) & 1), FORCEWAKE_ACK_TIMEOUT_MS)) @@ -4304,14 +4306,16 @@ void gen6_gt_check_fifodbg(struct drm_i915_private *dev_priv) static void __gen6_gt_force_wake_put(struct drm_i915_private *dev_priv) { I915_WRITE_NOTRACE(FORCEWAKE, 0); - /* gen6_gt_check_fifodbg doubles as the POSTING_READ */ + /* something from same cacheline, but !FORCEWAKE */ + POSTING_READ(ECOBUS); gen6_gt_check_fifodbg(dev_priv); } static void __gen6_gt_force_wake_mt_put(struct drm_i915_private *dev_priv) { I915_WRITE_NOTRACE(FORCEWAKE_MT, _MASKED_BIT_DISABLE(FORCEWAKE_KERNEL)); - /* gen6_gt_check_fifodbg doubles as the POSTING_READ */ + /* something from same cacheline, but !FORCEWAKE_MT */ + POSTING_READ(ECOBUS); gen6_gt_check_fifodbg(dev_priv); } @@ -4351,6 +4355,8 @@ int __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv) static void vlv_force_wake_reset(struct drm_i915_private *dev_priv) { I915_WRITE_NOTRACE(FORCEWAKE_VLV, _MASKED_BIT_DISABLE(0xffff)); + /* something from same cacheline, but !FORCEWAKE_VLV */ + POSTING_READ(FORCEWAKE_ACK_VLV); } static void vlv_force_wake_get(struct drm_i915_private *dev_priv) @@ -4371,7 +4377,8 @@ static void vlv_force_wake_get(struct drm_i915_private *dev_priv) static void vlv_force_wake_put(struct drm_i915_private *dev_priv) { I915_WRITE_NOTRACE(FORCEWAKE_VLV, _MASKED_BIT_DISABLE(FORCEWAKE_KERNEL)); - /* The below doubles as a POSTING_READ */ + /* something from same cacheline, but !FORCEWAKE_VLV */ + POSTING_READ(FORCEWAKE_ACK_VLV); gen6_gt_check_fifodbg(dev_priv); } diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 061fa0a28900..4d0e60adbc6d 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2401,6 +2401,12 @@ static int evergreen_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) { struct evergreen_mc_save save; + if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) + reset_mask &= ~(RADEON_RESET_GFX | RADEON_RESET_COMPUTE); + + if (RREG32(DMA_STATUS_REG) & DMA_IDLE) + reset_mask &= ~RADEON_RESET_DMA; + if (reset_mask == 0) return 0; diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 896f1cbc58a5..59acabb45c9b 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1409,6 +1409,12 @@ static int cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) { struct evergreen_mc_save save; + if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) + reset_mask &= ~(RADEON_RESET_GFX | RADEON_RESET_COMPUTE); + + if (RREG32(DMA_STATUS_REG) & DMA_IDLE) + reset_mask &= ~RADEON_RESET_DMA; + if (reset_mask == 0) return 0; diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 537e259b3837..3cb9d6089373 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -1378,6 +1378,12 @@ static int r600_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) { struct rv515_mc_save save; + if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) + reset_mask &= ~(RADEON_RESET_GFX | RADEON_RESET_COMPUTE); + + if (RREG32(DMA_STATUS_REG) & DMA_IDLE) + reset_mask &= ~RADEON_RESET_DMA; + if (reset_mask == 0) return 0; diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 34e52304a525..a08f657329a0 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -324,7 +324,6 @@ struct radeon_bo { struct list_head list; /* Protected by tbo.reserved */ u32 placements[3]; - u32 busy_placements[3]; struct ttm_placement placement; struct ttm_buffer_object tbo; struct ttm_bo_kmap_obj kmap; @@ -654,6 +653,8 @@ struct radeon_ring { u32 ptr_reg_mask; u32 nop; u32 idx; + u64 last_semaphore_signal_addr; + u64 last_semaphore_wait_addr; }; /* diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c index dff6cf77f953..d9bf96ee299a 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.c +++ b/drivers/gpu/drm/radeon/radeon_drv.c @@ -69,9 +69,10 @@ * 2.26.0 - r600-eg: fix htile size computation * 2.27.0 - r600-SI: Add CS ioctl support for async DMA * 2.28.0 - r600-eg: Add MEM_WRITE packet support + * 2.29.0 - R500 FP16 color clear registers */ #define KMS_DRIVER_MAJOR 2 -#define KMS_DRIVER_MINOR 28 +#define KMS_DRIVER_MINOR 29 #define KMS_DRIVER_PATCHLEVEL 0 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags); int radeon_driver_unload_kms(struct drm_device *dev); diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index 883c95d8d90f..d3aface2d12d 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -84,6 +84,7 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain) rbo->placement.fpfn = 0; rbo->placement.lpfn = 0; rbo->placement.placement = rbo->placements; + rbo->placement.busy_placement = rbo->placements; if (domain & RADEON_GEM_DOMAIN_VRAM) rbo->placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_VRAM; @@ -104,14 +105,6 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain) if (!c) rbo->placements[c++] = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM; rbo->placement.num_placement = c; - - c = 0; - rbo->placement.busy_placement = rbo->busy_placements; - if (rbo->rdev->flags & RADEON_IS_AGP) { - rbo->busy_placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_TT; - } else { - rbo->busy_placements[c++] = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_TT; - } rbo->placement.num_busy_placement = c; } @@ -357,6 +350,7 @@ int radeon_bo_list_validate(struct list_head *head) { struct radeon_bo_list *lobj; struct radeon_bo *bo; + u32 domain; int r; r = ttm_eu_reserve_buffers(head); @@ -366,9 +360,17 @@ int radeon_bo_list_validate(struct list_head *head) list_for_each_entry(lobj, head, tv.head) { bo = lobj->bo; if (!bo->pin_count) { + domain = lobj->wdomain ? lobj->wdomain : lobj->rdomain; + + retry: + radeon_ttm_placement_from_domain(bo, domain); r = ttm_bo_validate(&bo->tbo, &bo->placement, true, false); if (unlikely(r)) { + if (r != -ERESTARTSYS && domain == RADEON_GEM_DOMAIN_VRAM) { + domain |= RADEON_GEM_DOMAIN_GTT; + goto retry; + } return r; } } diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index 141f2b6a9cf2..2430d80b1871 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -784,6 +784,8 @@ static int radeon_debugfs_ring_info(struct seq_file *m, void *data) } seq_printf(m, "driver's copy of the wptr: 0x%08x [%5d]\n", ring->wptr, ring->wptr); seq_printf(m, "driver's copy of the rptr: 0x%08x [%5d]\n", ring->rptr, ring->rptr); + seq_printf(m, "last semaphore signal addr : 0x%016llx\n", ring->last_semaphore_signal_addr); + seq_printf(m, "last semaphore wait addr : 0x%016llx\n", ring->last_semaphore_wait_addr); seq_printf(m, "%u free dwords in ring\n", ring->ring_free_dw); seq_printf(m, "%u dwords in ring\n", count); /* print 8 dw before current rptr as often it's the last executed diff --git a/drivers/gpu/drm/radeon/radeon_semaphore.c b/drivers/gpu/drm/radeon/radeon_semaphore.c index 97f3ece81cd2..8dcc20f53d73 100644 --- a/drivers/gpu/drm/radeon/radeon_semaphore.c +++ b/drivers/gpu/drm/radeon/radeon_semaphore.c @@ -95,6 +95,10 @@ int radeon_semaphore_sync_rings(struct radeon_device *rdev, /* we assume caller has already allocated space on waiters ring */ radeon_semaphore_emit_wait(rdev, waiter, semaphore); + /* for debugging lockup only, used by sysfs debug files */ + rdev->ring[signaler].last_semaphore_signal_addr = semaphore->gpu_addr; + rdev->ring[waiter].last_semaphore_wait_addr = semaphore->gpu_addr; + return 0; } diff --git a/drivers/gpu/drm/radeon/reg_srcs/rv515 b/drivers/gpu/drm/radeon/reg_srcs/rv515 index 911a8fbd32bb..78d5e99d759d 100644 --- a/drivers/gpu/drm/radeon/reg_srcs/rv515 +++ b/drivers/gpu/drm/radeon/reg_srcs/rv515 @@ -324,6 +324,8 @@ rv515 0x6d40 0x46AC US_OUT_FMT_2 0x46B0 US_OUT_FMT_3 0x46B4 US_W_FMT +0x46C0 RB3D_COLOR_CLEAR_VALUE_AR +0x46C4 RB3D_COLOR_CLEAR_VALUE_GB 0x4BC0 FG_FOG_BLEND 0x4BC4 FG_FOG_FACTOR 0x4BC8 FG_FOG_COLOR_R diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 3240a3d64f30..ae8b48205a6c 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -2215,6 +2215,12 @@ static int si_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask) { struct evergreen_mc_save save; + if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) + reset_mask &= ~(RADEON_RESET_GFX | RADEON_RESET_COMPUTE); + + if (RREG32(DMA_STATUS_REG) & DMA_IDLE) + reset_mask &= ~RADEON_RESET_DMA; + if (reset_mask == 0) return 0; diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 33d20be87db5..52b20b12c83a 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -434,6 +434,7 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo, bo->mem = tmp_mem; bdev->driver->move_notify(bo, mem); bo->mem = *mem; + *mem = tmp_mem; } goto out_err; diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index d73d6e3e17b2..44420fca7dfa 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -344,8 +344,12 @@ int ttm_bo_move_memcpy(struct ttm_buffer_object *bo, if (ttm->state == tt_unpopulated) { ret = ttm->bdev->driver->ttm_tt_populate(ttm); - if (ret) + if (ret) { + /* if we fail here don't nuke the mm node + * as the bo still owns it */ + old_copy.mm_node = NULL; goto out1; + } } add = 0; @@ -371,8 +375,11 @@ int ttm_bo_move_memcpy(struct ttm_buffer_object *bo, prot); } else ret = ttm_copy_io_page(new_iomap, old_iomap, page); - if (ret) + if (ret) { + /* failing here, means keep old copy as-is */ + old_copy.mm_node = NULL; goto out1; + } } mb(); out2: diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c index f6c0011a0337..dd289fd179ca 100644 --- a/drivers/hv/hv_balloon.c +++ b/drivers/hv/hv_balloon.c @@ -403,7 +403,7 @@ struct dm_info_header { */ struct dm_info_msg { - struct dm_info_header header; + struct dm_header hdr; __u32 reserved; __u32 info_size; __u8 info[]; @@ -503,13 +503,17 @@ static void hot_add_req(struct hv_dynmem_device *dm, struct dm_hot_add *msg) static void process_info(struct hv_dynmem_device *dm, struct dm_info_msg *msg) { - switch (msg->header.type) { + struct dm_info_header *info_hdr; + + info_hdr = (struct dm_info_header *)msg->info; + + switch (info_hdr->type) { case INFO_TYPE_MAX_PAGE_CNT: pr_info("Received INFO_TYPE_MAX_PAGE_CNT\n"); - pr_info("Data Size is %d\n", msg->header.data_size); + pr_info("Data Size is %d\n", info_hdr->data_size); break; default: - pr_info("Received Unknown type: %d\n", msg->header.type); + pr_info("Received Unknown type: %d\n", info_hdr->type); } } @@ -879,7 +883,7 @@ static int balloon_probe(struct hv_device *dev, balloon_onchannelcallback, dev); if (ret) - return ret; + goto probe_error0; dm_device.dev = dev; dm_device.state = DM_INITIALIZING; @@ -891,7 +895,7 @@ static int balloon_probe(struct hv_device *dev, kthread_run(dm_thread_func, &dm_device, "hv_balloon"); if (IS_ERR(dm_device.thread)) { ret = PTR_ERR(dm_device.thread); - goto probe_error0; + goto probe_error1; } hv_set_drvdata(dev, &dm_device); @@ -914,12 +918,12 @@ static int balloon_probe(struct hv_device *dev, VM_PKT_DATA_INBAND, VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED); if (ret) - goto probe_error1; + goto probe_error2; t = wait_for_completion_timeout(&dm_device.host_event, 5*HZ); if (t == 0) { ret = -ETIMEDOUT; - goto probe_error1; + goto probe_error2; } /* @@ -928,7 +932,7 @@ static int balloon_probe(struct hv_device *dev, */ if (dm_device.state == DM_INIT_ERROR) { ret = -ETIMEDOUT; - goto probe_error1; + goto probe_error2; } /* * Now submit our capabilities to the host. @@ -961,12 +965,12 @@ static int balloon_probe(struct hv_device *dev, VM_PKT_DATA_INBAND, VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED); if (ret) - goto probe_error1; + goto probe_error2; t = wait_for_completion_timeout(&dm_device.host_event, 5*HZ); if (t == 0) { ret = -ETIMEDOUT; - goto probe_error1; + goto probe_error2; } /* @@ -975,18 +979,20 @@ static int balloon_probe(struct hv_device *dev, */ if (dm_device.state == DM_INIT_ERROR) { ret = -ETIMEDOUT; - goto probe_error1; + goto probe_error2; } dm_device.state = DM_INITIALIZED; return 0; -probe_error1: +probe_error2: kthread_stop(dm_device.thread); -probe_error0: +probe_error1: vmbus_close(dev->channel); +probe_error0: + kfree(send_buffer); return ret; } @@ -999,6 +1005,7 @@ static int balloon_remove(struct hv_device *dev) vmbus_close(dev->channel); kthread_stop(dm->thread); + kfree(send_buffer); return 0; } diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c index cbba7db9ad59..f5258c205de5 100644 --- a/drivers/i2c/busses/i2c-designware-core.c +++ b/drivers/i2c/busses/i2c-designware-core.c @@ -34,6 +34,7 @@ #include <linux/io.h> #include <linux/pm_runtime.h> #include <linux/delay.h> +#include <linux/module.h> #include "i2c-designware-core.h" /* @@ -725,3 +726,6 @@ u32 i2c_dw_read_comp_param(struct dw_i2c_dev *dev) return dw_readl(dev, DW_IC_COMP_PARAM_1); } EXPORT_SYMBOL_GPL(i2c_dw_read_comp_param); + +MODULE_DESCRIPTION("Synopsys DesignWare I2C bus adapter core"); +MODULE_LICENSE("GPL"); diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c index 1b1a936eccc9..d6abaf2cf2e3 100644 --- a/drivers/i2c/busses/i2c-mxs.c +++ b/drivers/i2c/busses/i2c-mxs.c @@ -127,7 +127,7 @@ struct mxs_i2c_dev { struct device *dev; void __iomem *regs; struct completion cmd_complete; - u32 cmd_err; + int cmd_err; struct i2c_adapter adapter; const struct mxs_i2c_speed_config *speed; @@ -316,7 +316,7 @@ static int mxs_i2c_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, if (msg->len == 0) return -EINVAL; - init_completion(&i2c->cmd_complete); + INIT_COMPLETION(i2c->cmd_complete); i2c->cmd_err = 0; ret = mxs_i2c_dma_setup_xfer(adap, msg, flags); @@ -473,6 +473,8 @@ static int mxs_i2c_probe(struct platform_device *pdev) i2c->dev = dev; i2c->speed = &mxs_i2c_95kHz_config; + init_completion(&i2c->cmd_complete); + if (dev->of_node) { err = mxs_i2c_get_ofdata(i2c); if (err) diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 20d41bfa7c19..4cc2f0528c88 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -803,7 +803,7 @@ static int errata_omap3_i462(struct omap_i2c_dev *dev) if (stat & OMAP_I2C_STAT_AL) { dev_err(dev->dev, "Arbitration lost\n"); dev->cmd_err |= OMAP_I2C_STAT_AL; - omap_i2c_ack_stat(dev, OMAP_I2C_STAT_NACK); + omap_i2c_ack_stat(dev, OMAP_I2C_STAT_AL); } return -EIO; @@ -963,7 +963,7 @@ omap_i2c_isr_thread(int this_irq, void *dev_id) i2c_omap_errata_i207(dev, stat); omap_i2c_ack_stat(dev, OMAP_I2C_STAT_RDR); - break; + continue; } if (stat & OMAP_I2C_STAT_RRDY) { @@ -989,7 +989,7 @@ omap_i2c_isr_thread(int this_irq, void *dev_id) break; omap_i2c_ack_stat(dev, OMAP_I2C_STAT_XDR); - break; + continue; } if (stat & OMAP_I2C_STAT_XRDY) { diff --git a/drivers/i2c/busses/i2c-sirf.c b/drivers/i2c/busses/i2c-sirf.c index 3f1818b87974..e03381aee34f 100644 --- a/drivers/i2c/busses/i2c-sirf.c +++ b/drivers/i2c/busses/i2c-sirf.c @@ -12,6 +12,7 @@ #include <linux/slab.h> #include <linux/platform_device.h> #include <linux/i2c.h> +#include <linux/of_i2c.h> #include <linux/clk.h> #include <linux/err.h> #include <linux/io.h> @@ -328,6 +329,7 @@ static int i2c_sirfsoc_probe(struct platform_device *pdev) adap->algo = &i2c_sirfsoc_algo; adap->algo_data = siic; + adap->dev.of_node = pdev->dev.of_node; adap->dev.parent = &pdev->dev; adap->nr = pdev->id; @@ -371,6 +373,8 @@ static int i2c_sirfsoc_probe(struct platform_device *pdev) clk_disable(clk); + of_i2c_register_devices(adap); + dev_info(&pdev->dev, " I2C adapter ready to operate\n"); return 0; diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c index 1e44d04d1b22..a43c0ce5e3d8 100644 --- a/drivers/i2c/muxes/i2c-mux-pinctrl.c +++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c @@ -167,7 +167,7 @@ static int i2c_mux_pinctrl_probe(struct platform_device *pdev) } mux->busses = devm_kzalloc(&pdev->dev, - sizeof(mux->busses) * mux->pdata->bus_count, + sizeof(*mux->busses) * mux->pdata->bus_count, GFP_KERNEL); if (!mux->busses) { dev_err(&pdev->dev, "Cannot allocate busses\n"); diff --git a/drivers/idle/intel_idle.c b/drivers/idle/intel_idle.c index 4ba384f1ab54..2df9414a72f7 100644 --- a/drivers/idle/intel_idle.c +++ b/drivers/idle/intel_idle.c @@ -448,8 +448,6 @@ static int intel_idle_probe(void) else on_each_cpu(__setup_broadcast_timer, (void *)true, 1); - register_cpu_notifier(&cpu_hotplug_notifier); - pr_debug(PREFIX "v" INTEL_IDLE_VERSION " model 0x%X\n", boot_cpu_data.x86_model); @@ -612,6 +610,7 @@ static int __init intel_idle_init(void) return retval; } } + register_cpu_notifier(&cpu_hotplug_notifier); return 0; } diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c index 81837b0710a9..faf10ba1ed9a 100644 --- a/drivers/iommu/amd_iommu_init.c +++ b/drivers/iommu/amd_iommu_init.c @@ -975,6 +975,38 @@ static void __init free_iommu_all(void) } /* + * Family15h Model 10h-1fh erratum 746 (IOMMU Logging May Stall Translations) + * Workaround: + * BIOS should disable L2B micellaneous clock gating by setting + * L2_L2B_CK_GATE_CONTROL[CKGateL2BMiscDisable](D0F2xF4_x90[2]) = 1b + */ +static void __init amd_iommu_erratum_746_workaround(struct amd_iommu *iommu) +{ + u32 value; + + if ((boot_cpu_data.x86 != 0x15) || + (boot_cpu_data.x86_model < 0x10) || + (boot_cpu_data.x86_model > 0x1f)) + return; + + pci_write_config_dword(iommu->dev, 0xf0, 0x90); + pci_read_config_dword(iommu->dev, 0xf4, &value); + + if (value & BIT(2)) + return; + + /* Select NB indirect register 0x90 and enable writing */ + pci_write_config_dword(iommu->dev, 0xf0, 0x90 | (1 << 8)); + + pci_write_config_dword(iommu->dev, 0xf4, value | 0x4); + pr_info("AMD-Vi: Applying erratum 746 workaround for IOMMU at %s\n", + dev_name(&iommu->dev->dev)); + + /* Clear the enable writing bit */ + pci_write_config_dword(iommu->dev, 0xf0, 0x90); +} + +/* * This function clues the initialization function for one IOMMU * together and also allocates the command buffer and programs the * hardware. It does NOT enable the IOMMU. This is done afterwards. @@ -1172,6 +1204,8 @@ static int iommu_init_pci(struct amd_iommu *iommu) iommu->stored_l2[i] = iommu_read_l2(iommu, i); } + amd_iommu_erratum_746_workaround(iommu); + return pci_enable_device(iommu->dev); } diff --git a/drivers/isdn/gigaset/capi.c b/drivers/isdn/gigaset/capi.c index 68452b768da2..03a0a01a4054 100644 --- a/drivers/isdn/gigaset/capi.c +++ b/drivers/isdn/gigaset/capi.c @@ -248,6 +248,8 @@ static inline void dump_rawmsg(enum debuglevel level, const char *tag, CAPIMSG_APPID(data), CAPIMSG_MSGID(data), l, CAPIMSG_CONTROL(data)); l -= 12; + if (l <= 0) + return; dbgline = kmalloc(3 * l, GFP_ATOMIC); if (!dbgline) return; diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 3d8984edeff7..9e58dbd8d8cb 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -340,24 +340,22 @@ static int validate_region_size(struct raid_set *rs, unsigned long region_size) } /* - * validate_rebuild_devices + * validate_raid_redundancy * @rs * - * Determine if the devices specified for rebuild can result in a valid - * usable array that is capable of rebuilding the given devices. + * Determine if there are enough devices in the array that haven't + * failed (or are being rebuilt) to form a usable array. * * Returns: 0 on success, -EINVAL on failure. */ -static int validate_rebuild_devices(struct raid_set *rs) +static int validate_raid_redundancy(struct raid_set *rs) { unsigned i, rebuild_cnt = 0; unsigned rebuilds_per_group, copies, d; - if (!(rs->print_flags & DMPF_REBUILD)) - return 0; - for (i = 0; i < rs->md.raid_disks; i++) - if (!test_bit(In_sync, &rs->dev[i].rdev.flags)) + if (!test_bit(In_sync, &rs->dev[i].rdev.flags) || + !rs->dev[i].rdev.sb_page) rebuild_cnt++; switch (rs->raid_type->level) { @@ -393,27 +391,24 @@ static int validate_rebuild_devices(struct raid_set *rs) * A A B B C * C D D E E */ - rebuilds_per_group = 0; for (i = 0; i < rs->md.raid_disks * copies; i++) { + if (!(i % copies)) + rebuilds_per_group = 0; d = i % rs->md.raid_disks; - if (!test_bit(In_sync, &rs->dev[d].rdev.flags) && + if ((!rs->dev[d].rdev.sb_page || + !test_bit(In_sync, &rs->dev[d].rdev.flags)) && (++rebuilds_per_group >= copies)) goto too_many; - if (!((i + 1) % copies)) - rebuilds_per_group = 0; } break; default: - DMERR("The rebuild parameter is not supported for %s", - rs->raid_type->name); - rs->ti->error = "Rebuild not supported for this RAID type"; - return -EINVAL; + if (rebuild_cnt) + return -EINVAL; } return 0; too_many: - rs->ti->error = "Too many rebuild devices specified"; return -EINVAL; } @@ -664,9 +659,6 @@ static int parse_raid_params(struct raid_set *rs, char **argv, } rs->md.dev_sectors = sectors_per_dev; - if (validate_rebuild_devices(rs)) - return -EINVAL; - /* Assume there are no metadata devices until the drives are parsed */ rs->md.persistent = 0; rs->md.external = 1; @@ -995,28 +987,10 @@ static int super_validate(struct mddev *mddev, struct md_rdev *rdev) static int analyse_superblocks(struct dm_target *ti, struct raid_set *rs) { int ret; - unsigned redundancy = 0; struct raid_dev *dev; struct md_rdev *rdev, *tmp, *freshest; struct mddev *mddev = &rs->md; - switch (rs->raid_type->level) { - case 1: - redundancy = rs->md.raid_disks - 1; - break; - case 4: - case 5: - case 6: - redundancy = rs->raid_type->parity_devs; - break; - case 10: - redundancy = raid10_md_layout_to_copies(mddev->layout) - 1; - break; - default: - ti->error = "Unknown RAID type"; - return -EINVAL; - } - freshest = NULL; rdev_for_each_safe(rdev, tmp, mddev) { /* @@ -1045,44 +1019,43 @@ static int analyse_superblocks(struct dm_target *ti, struct raid_set *rs) break; default: dev = container_of(rdev, struct raid_dev, rdev); - if (redundancy--) { - if (dev->meta_dev) - dm_put_device(ti, dev->meta_dev); - - dev->meta_dev = NULL; - rdev->meta_bdev = NULL; + if (dev->meta_dev) + dm_put_device(ti, dev->meta_dev); - if (rdev->sb_page) - put_page(rdev->sb_page); + dev->meta_dev = NULL; + rdev->meta_bdev = NULL; - rdev->sb_page = NULL; + if (rdev->sb_page) + put_page(rdev->sb_page); - rdev->sb_loaded = 0; + rdev->sb_page = NULL; - /* - * We might be able to salvage the data device - * even though the meta device has failed. For - * now, we behave as though '- -' had been - * set for this device in the table. - */ - if (dev->data_dev) - dm_put_device(ti, dev->data_dev); + rdev->sb_loaded = 0; - dev->data_dev = NULL; - rdev->bdev = NULL; + /* + * We might be able to salvage the data device + * even though the meta device has failed. For + * now, we behave as though '- -' had been + * set for this device in the table. + */ + if (dev->data_dev) + dm_put_device(ti, dev->data_dev); - list_del(&rdev->same_set); + dev->data_dev = NULL; + rdev->bdev = NULL; - continue; - } - ti->error = "Failed to load superblock"; - return ret; + list_del(&rdev->same_set); } } if (!freshest) return 0; + if (validate_raid_redundancy(rs)) { + rs->ti->error = "Insufficient redundancy to activate array"; + return -EINVAL; + } + /* * Validation of the freshest device provides the source of * validation for the remaining devices. @@ -1432,7 +1405,7 @@ static void raid_resume(struct dm_target *ti) static struct target_type raid_target = { .name = "raid", - .version = {1, 4, 0}, + .version = {1, 4, 1}, .module = THIS_MODULE, .ctr = raid_ctr, .dtr = raid_dtr, diff --git a/drivers/media/i2c/m5mols/m5mols_core.c b/drivers/media/i2c/m5mols/m5mols_core.c index 8a8d42fe2633..d4e7567b367c 100644 --- a/drivers/media/i2c/m5mols/m5mols_core.c +++ b/drivers/media/i2c/m5mols/m5mols_core.c @@ -556,7 +556,7 @@ static int m5mols_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, mutex_lock(&info->lock); format = __find_format(info, fh, fmt->which, info->res_type); - if (!format) + if (format) fmt->format = *format; else ret = -EINVAL; diff --git a/drivers/media/platform/coda.c b/drivers/media/platform/coda.c index 1cf8293c0fb0..4a980e029ca7 100644 --- a/drivers/media/platform/coda.c +++ b/drivers/media/platform/coda.c @@ -23,8 +23,8 @@ #include <linux/slab.h> #include <linux/videodev2.h> #include <linux/of.h> +#include <linux/platform_data/imx-iram.h> -#include <mach/iram.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> #include <media/v4l2-ioctl.h> diff --git a/drivers/media/platform/omap3isp/ispvideo.c b/drivers/media/platform/omap3isp/ispvideo.c index e0d73a642186..8dac17511e61 100644 --- a/drivers/media/platform/omap3isp/ispvideo.c +++ b/drivers/media/platform/omap3isp/ispvideo.c @@ -35,9 +35,6 @@ #include <linux/vmalloc.h> #include <media/v4l2-dev.h> #include <media/v4l2-ioctl.h> -#include <plat/iommu.h> -#include <plat/iovmm.h> -#include <plat/omap-pm.h> #include "ispvideo.h" #include "isp.h" diff --git a/drivers/media/platform/s5p-fimc/fimc-mdevice.c b/drivers/media/platform/s5p-fimc/fimc-mdevice.c index 4ab99f3a7b09..b4a68ecf0ca7 100644 --- a/drivers/media/platform/s5p-fimc/fimc-mdevice.c +++ b/drivers/media/platform/s5p-fimc/fimc-mdevice.c @@ -593,7 +593,7 @@ static int __fimc_md_create_flite_source_links(struct fimc_md *fmd) { struct media_entity *source, *sink; unsigned int flags = MEDIA_LNK_FL_ENABLED; - int i, ret; + int i, ret = 0; for (i = 0; i < FIMC_LITE_MAX_DEVS; i++) { struct fimc_lite *fimc = fmd->fimc_lite[i]; diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c index 379f57433711..681bc6ba149d 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c @@ -412,62 +412,48 @@ leave_handle_frame: } /* Error handling for interrupt */ -static void s5p_mfc_handle_error(struct s5p_mfc_ctx *ctx, - unsigned int reason, unsigned int err) +static void s5p_mfc_handle_error(struct s5p_mfc_dev *dev, + struct s5p_mfc_ctx *ctx, unsigned int reason, unsigned int err) { - struct s5p_mfc_dev *dev; unsigned long flags; - /* If no context is available then all necessary - * processing has been done. */ - if (ctx == NULL) - return; - - dev = ctx->dev; mfc_err("Interrupt Error: %08x\n", err); - s5p_mfc_hw_call(dev->mfc_ops, clear_int_flags, dev); - wake_up_dev(dev, reason, err); - /* Error recovery is dependent on the state of context */ - switch (ctx->state) { - case MFCINST_INIT: - /* This error had to happen while acquireing instance */ - case MFCINST_GOT_INST: - /* This error had to happen while parsing the header */ - case MFCINST_HEAD_PARSED: - /* This error had to happen while setting dst buffers */ - case MFCINST_RETURN_INST: - /* This error had to happen while releasing instance */ - clear_work_bit(ctx); - wake_up_ctx(ctx, reason, err); - if (test_and_clear_bit(0, &dev->hw_lock) == 0) - BUG(); - s5p_mfc_clock_off(); - ctx->state = MFCINST_ERROR; - break; - case MFCINST_FINISHING: - case MFCINST_FINISHED: - case MFCINST_RUNNING: - /* It is higly probable that an error occured - * while decoding a frame */ - clear_work_bit(ctx); - ctx->state = MFCINST_ERROR; - /* Mark all dst buffers as having an error */ - spin_lock_irqsave(&dev->irqlock, flags); - s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->dst_queue, - &ctx->vq_dst); - /* Mark all src buffers as having an error */ - s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, &ctx->src_queue, - &ctx->vq_src); - spin_unlock_irqrestore(&dev->irqlock, flags); - if (test_and_clear_bit(0, &dev->hw_lock) == 0) - BUG(); - s5p_mfc_clock_off(); - break; - default: - mfc_err("Encountered an error interrupt which had not been handled\n"); - break; + if (ctx != NULL) { + /* Error recovery is dependent on the state of context */ + switch (ctx->state) { + case MFCINST_RES_CHANGE_INIT: + case MFCINST_RES_CHANGE_FLUSH: + case MFCINST_RES_CHANGE_END: + case MFCINST_FINISHING: + case MFCINST_FINISHED: + case MFCINST_RUNNING: + /* It is higly probable that an error occured + * while decoding a frame */ + clear_work_bit(ctx); + ctx->state = MFCINST_ERROR; + /* Mark all dst buffers as having an error */ + spin_lock_irqsave(&dev->irqlock, flags); + s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, + &ctx->dst_queue, &ctx->vq_dst); + /* Mark all src buffers as having an error */ + s5p_mfc_hw_call(dev->mfc_ops, cleanup_queue, + &ctx->src_queue, &ctx->vq_src); + spin_unlock_irqrestore(&dev->irqlock, flags); + wake_up_ctx(ctx, reason, err); + break; + default: + clear_work_bit(ctx); + ctx->state = MFCINST_ERROR; + wake_up_ctx(ctx, reason, err); + break; + } } + if (test_and_clear_bit(0, &dev->hw_lock) == 0) + BUG(); + s5p_mfc_hw_call(dev->mfc_ops, clear_int_flags, dev); + s5p_mfc_clock_off(); + wake_up_dev(dev, reason, err); return; } @@ -632,7 +618,7 @@ static irqreturn_t s5p_mfc_irq(int irq, void *priv) dev->warn_start) s5p_mfc_handle_frame(ctx, reason, err); else - s5p_mfc_handle_error(ctx, reason, err); + s5p_mfc_handle_error(dev, ctx, reason, err); clear_bit(0, &dev->enter_suspend); break; diff --git a/drivers/media/usb/gspca/kinect.c b/drivers/media/usb/gspca/kinect.c index 40ad6687ee5d..3773a8a745df 100644 --- a/drivers/media/usb/gspca/kinect.c +++ b/drivers/media/usb/gspca/kinect.c @@ -381,6 +381,7 @@ static const struct sd_desc sd_desc = { /* -- module initialisation -- */ static const struct usb_device_id device_table[] = { {USB_DEVICE(0x045e, 0x02ae)}, + {USB_DEVICE(0x045e, 0x02bf)}, {} }; diff --git a/drivers/media/usb/gspca/sonixb.c b/drivers/media/usb/gspca/sonixb.c index 70511d5f9538..1220340e7602 100644 --- a/drivers/media/usb/gspca/sonixb.c +++ b/drivers/media/usb/gspca/sonixb.c @@ -496,7 +496,7 @@ static void reg_w(struct gspca_dev *gspca_dev, } } -static void i2c_w(struct gspca_dev *gspca_dev, const __u8 *buffer) +static void i2c_w(struct gspca_dev *gspca_dev, const u8 *buf) { int retry = 60; @@ -504,16 +504,19 @@ static void i2c_w(struct gspca_dev *gspca_dev, const __u8 *buffer) return; /* is i2c ready */ - reg_w(gspca_dev, 0x08, buffer, 8); + reg_w(gspca_dev, 0x08, buf, 8); while (retry--) { if (gspca_dev->usb_err < 0) return; - msleep(10); + msleep(1); reg_r(gspca_dev, 0x08); if (gspca_dev->usb_buf[0] & 0x04) { if (gspca_dev->usb_buf[0] & 0x08) { dev_err(gspca_dev->v4l2_dev.dev, - "i2c write error\n"); + "i2c error writing %02x %02x %02x %02x" + " %02x %02x %02x %02x\n", + buf[0], buf[1], buf[2], buf[3], + buf[4], buf[5], buf[6], buf[7]); gspca_dev->usb_err = -EIO; } return; @@ -530,7 +533,7 @@ static void i2c_w_vector(struct gspca_dev *gspca_dev, for (;;) { if (gspca_dev->usb_err < 0) return; - reg_w(gspca_dev, 0x08, *buffer, 8); + i2c_w(gspca_dev, *buffer); len -= 8; if (len <= 0) break; diff --git a/drivers/media/usb/gspca/sonixj.c b/drivers/media/usb/gspca/sonixj.c index 5a86047b846f..36307a9028a9 100644 --- a/drivers/media/usb/gspca/sonixj.c +++ b/drivers/media/usb/gspca/sonixj.c @@ -1550,6 +1550,7 @@ static void i2c_w1(struct gspca_dev *gspca_dev, u8 reg, u8 val) 0, gspca_dev->usb_buf, 8, 500); + msleep(2); if (ret < 0) { pr_err("i2c_w1 err %d\n", ret); gspca_dev->usb_err = ret; diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c index 2bb7613ddebb..d5baab17a5ef 100644 --- a/drivers/media/usb/uvc/uvc_ctrl.c +++ b/drivers/media/usb/uvc/uvc_ctrl.c @@ -1431,8 +1431,10 @@ int uvc_ctrl_set(struct uvc_video_chain *chain, int ret; ctrl = uvc_find_control(chain, xctrl->id, &mapping); - if (ctrl == NULL || (ctrl->info.flags & UVC_CTRL_FLAG_SET_CUR) == 0) + if (ctrl == NULL) return -EINVAL; + if (!(ctrl->info.flags & UVC_CTRL_FLAG_SET_CUR)) + return -EACCES; /* Clamp out of range values. */ switch (mapping->v4l2_type) { diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c index f2ee8c6b0d8d..68d59b527492 100644 --- a/drivers/media/usb/uvc/uvc_v4l2.c +++ b/drivers/media/usb/uvc/uvc_v4l2.c @@ -657,8 +657,7 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) ret = uvc_ctrl_get(chain, ctrl); if (ret < 0) { uvc_ctrl_rollback(handle); - ctrls->error_idx = ret == -ENOENT - ? ctrls->count : i; + ctrls->error_idx = i; return ret; } } @@ -686,8 +685,7 @@ static long uvc_v4l2_do_ioctl(struct file *file, unsigned int cmd, void *arg) ret = uvc_ctrl_set(chain, ctrl); if (ret < 0) { uvc_ctrl_rollback(handle); - ctrls->error_idx = (ret == -ENOENT && - cmd == VIDIOC_S_EXT_CTRLS) + ctrls->error_idx = cmd == VIDIOC_S_EXT_CTRLS ? ctrls->count : i; return ret; } diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index 9f81be23a81f..e02c4797b1c6 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -921,8 +921,10 @@ static void __fill_vb2_buffer(struct vb2_buffer *vb, const struct v4l2_buffer *b * In videobuf we use our internal V4l2_planes struct for * single-planar buffers as well, for simplicity. */ - if (V4L2_TYPE_IS_OUTPUT(b->type)) + if (V4L2_TYPE_IS_OUTPUT(b->type)) { v4l2_planes[0].bytesused = b->bytesused; + v4l2_planes[0].data_offset = 0; + } if (b->memory == V4L2_MEMORY_USERPTR) { v4l2_planes[0].m.userptr = b->m.userptr; diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 1c0abd4dfc43..ff553babf455 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -237,6 +237,7 @@ config MFD_TPS65910 depends on I2C=y && GPIOLIB select MFD_CORE select REGMAP_I2C + select REGMAP_IRQ select IRQ_DOMAIN help if you say yes here you get support for the TPS65910 series of @@ -292,6 +293,7 @@ config TWL4030_CORE bool "Texas Instruments TWL4030/TWL5030/TWL6030/TPS659x0 Support" depends on I2C=y && GENERIC_HARDIRQS select IRQ_DOMAIN + select REGMAP_I2C help Say yes here if you have TWL4030 / TWL6030 family chip on your board. This core driver provides register access and IRQ handling diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c index e1650badd106..4778bb124efe 100644 --- a/drivers/mfd/ab8500-core.c +++ b/drivers/mfd/ab8500-core.c @@ -19,6 +19,7 @@ #include <linux/mfd/core.h> #include <linux/mfd/abx500.h> #include <linux/mfd/abx500/ab8500.h> +#include <linux/mfd/abx500/ab8500-bm.h> #include <linux/mfd/dbx500-prcmu.h> #include <linux/regulator/ab8500.h> #include <linux/of.h> diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c index bc8a3edb6bbf..222c03a5ddc0 100644 --- a/drivers/mfd/arizona-core.c +++ b/drivers/mfd/arizona-core.c @@ -239,7 +239,12 @@ static int arizona_runtime_resume(struct device *dev) return ret; } - regcache_sync(arizona->regmap); + ret = regcache_sync(arizona->regmap); + if (ret != 0) { + dev_err(arizona->dev, "Failed to restore register cache\n"); + regulator_disable(arizona->dcvdd); + return ret; + } return 0; } diff --git a/drivers/mfd/arizona-irq.c b/drivers/mfd/arizona-irq.c index 74713bf5371f..2bec5f0db3ee 100644 --- a/drivers/mfd/arizona-irq.c +++ b/drivers/mfd/arizona-irq.c @@ -176,14 +176,7 @@ int arizona_irq_init(struct arizona *arizona) aod = &wm5102_aod; irq = &wm5102_irq; - switch (arizona->rev) { - case 0: - case 1: - ctrlif_error = false; - break; - default: - break; - } + ctrlif_error = false; break; #endif #ifdef CONFIG_MFD_WM5110 @@ -191,14 +184,7 @@ int arizona_irq_init(struct arizona *arizona) aod = &wm5110_aod; irq = &wm5110_irq; - switch (arizona->rev) { - case 0: - case 1: - ctrlif_error = false; - break; - default: - break; - } + ctrlif_error = false; break; #endif default: diff --git a/drivers/mfd/da9052-i2c.c b/drivers/mfd/da9052-i2c.c index ac74a4d1daea..885e56780358 100644 --- a/drivers/mfd/da9052-i2c.c +++ b/drivers/mfd/da9052-i2c.c @@ -27,6 +27,66 @@ #include <linux/of_device.h> #endif +/* I2C safe register check */ +static inline bool i2c_safe_reg(unsigned char reg) +{ + switch (reg) { + case DA9052_STATUS_A_REG: + case DA9052_STATUS_B_REG: + case DA9052_STATUS_C_REG: + case DA9052_STATUS_D_REG: + case DA9052_ADC_RES_L_REG: + case DA9052_ADC_RES_H_REG: + case DA9052_VDD_RES_REG: + case DA9052_ICHG_AV_REG: + case DA9052_TBAT_RES_REG: + case DA9052_ADCIN4_RES_REG: + case DA9052_ADCIN5_RES_REG: + case DA9052_ADCIN6_RES_REG: + case DA9052_TJUNC_RES_REG: + case DA9052_TSI_X_MSB_REG: + case DA9052_TSI_Y_MSB_REG: + case DA9052_TSI_LSB_REG: + case DA9052_TSI_Z_MSB_REG: + return true; + default: + return false; + } +} + +/* + * There is an issue with DA9052 and DA9053_AA/BA/BB PMIC where the PMIC + * gets lockup up or fails to respond following a system reset. + * This fix is to follow any read or write with a dummy read to a safe + * register. + */ +int da9052_i2c_fix(struct da9052 *da9052, unsigned char reg) +{ + int val; + + switch (da9052->chip_id) { + case DA9052: + case DA9053_AA: + case DA9053_BA: + case DA9053_BB: + /* A dummy read to a safe register address. */ + if (!i2c_safe_reg(reg)) + return regmap_read(da9052->regmap, + DA9052_PARK_REGISTER, + &val); + break; + default: + /* + * For other chips parking of I2C register + * to a safe place is not required. + */ + break; + } + + return 0; +} +EXPORT_SYMBOL(da9052_i2c_fix); + static int da9052_i2c_enable_multiwrite(struct da9052 *da9052) { int reg_val, ret; @@ -83,6 +143,7 @@ static int da9052_i2c_probe(struct i2c_client *client, da9052->dev = &client->dev; da9052->chip_irq = client->irq; + da9052->fix_io = da9052_i2c_fix; i2c_set_clientdata(client, da9052); diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index dc8826d8d69d..268f45d42394 100644 --- a/drivers/mfd/db8500-prcmu.c +++ b/drivers/mfd/db8500-prcmu.c @@ -2524,7 +2524,7 @@ static bool read_mailbox_0(void) for (n = 0; n < NUM_PRCMU_WAKEUPS; n++) { if (ev & prcmu_irq_bit[n]) - generic_handle_irq(IRQ_PRCMU_BASE + n); + generic_handle_irq(irq_find_mapping(db8500_irq_domain, n)); } r = true; break; @@ -2737,13 +2737,14 @@ static int db8500_irq_map(struct irq_domain *d, unsigned int virq, } static struct irq_domain_ops db8500_irq_ops = { - .map = db8500_irq_map, - .xlate = irq_domain_xlate_twocell, + .map = db8500_irq_map, + .xlate = irq_domain_xlate_twocell, }; static int db8500_irq_init(struct device_node *np) { - int irq_base = -1; + int irq_base = 0; + int i; /* In the device tree case, just take some IRQs */ if (!np) @@ -2758,6 +2759,10 @@ static int db8500_irq_init(struct device_node *np) return -ENOSYS; } + /* All wakeups will be used, so create mappings for all */ + for (i = 0; i < NUM_PRCMU_WAKEUPS; i++) + irq_create_mapping(db8500_irq_domain, i); + return 0; } diff --git a/drivers/mfd/max77686.c b/drivers/mfd/max77686.c index f6878f8db57d..4d73963cd8f0 100644 --- a/drivers/mfd/max77686.c +++ b/drivers/mfd/max77686.c @@ -93,15 +93,6 @@ static int max77686_i2c_probe(struct i2c_client *i2c, if (max77686 == NULL) return -ENOMEM; - max77686->regmap = regmap_init_i2c(i2c, &max77686_regmap_config); - if (IS_ERR(max77686->regmap)) { - ret = PTR_ERR(max77686->regmap); - dev_err(max77686->dev, "Failed to allocate register map: %d\n", - ret); - kfree(max77686); - return ret; - } - i2c_set_clientdata(i2c, max77686); max77686->dev = &i2c->dev; max77686->i2c = i2c; @@ -111,6 +102,15 @@ static int max77686_i2c_probe(struct i2c_client *i2c, max77686->irq_gpio = pdata->irq_gpio; max77686->irq = i2c->irq; + max77686->regmap = regmap_init_i2c(i2c, &max77686_regmap_config); + if (IS_ERR(max77686->regmap)) { + ret = PTR_ERR(max77686->regmap); + dev_err(max77686->dev, "Failed to allocate register map: %d\n", + ret); + kfree(max77686); + return ret; + } + if (regmap_read(max77686->regmap, MAX77686_REG_DEVICE_ID, &data) < 0) { dev_err(max77686->dev, diff --git a/drivers/mfd/max77693.c b/drivers/mfd/max77693.c index cc5155e20494..9e60fed5ff82 100644 --- a/drivers/mfd/max77693.c +++ b/drivers/mfd/max77693.c @@ -114,35 +114,37 @@ static int max77693_i2c_probe(struct i2c_client *i2c, u8 reg_data; int ret = 0; + if (!pdata) { + dev_err(&i2c->dev, "No platform data found.\n"); + return -EINVAL; + } + max77693 = devm_kzalloc(&i2c->dev, sizeof(struct max77693_dev), GFP_KERNEL); if (max77693 == NULL) return -ENOMEM; - max77693->regmap = devm_regmap_init_i2c(i2c, &max77693_regmap_config); - if (IS_ERR(max77693->regmap)) { - ret = PTR_ERR(max77693->regmap); - dev_err(max77693->dev,"failed to allocate register map: %d\n", - ret); - goto err_regmap; - } - i2c_set_clientdata(i2c, max77693); max77693->dev = &i2c->dev; max77693->i2c = i2c; max77693->irq = i2c->irq; max77693->type = id->driver_data; - if (!pdata) - goto err_regmap; + max77693->regmap = devm_regmap_init_i2c(i2c, &max77693_regmap_config); + if (IS_ERR(max77693->regmap)) { + ret = PTR_ERR(max77693->regmap); + dev_err(max77693->dev, "failed to allocate register map: %d\n", + ret); + return ret; + } max77693->wakeup = pdata->wakeup; - if (max77693_read_reg(max77693->regmap, - MAX77693_PMIC_REG_PMIC_ID2, ®_data) < 0) { + ret = max77693_read_reg(max77693->regmap, MAX77693_PMIC_REG_PMIC_ID2, + ®_data); + if (ret < 0) { dev_err(max77693->dev, "device not found on this channel\n"); - ret = -ENODEV; - goto err_regmap; + return ret; } else dev_info(max77693->dev, "device ID: 0x%x\n", reg_data); @@ -163,7 +165,7 @@ static int max77693_i2c_probe(struct i2c_client *i2c, ret = PTR_ERR(max77693->regmap_muic); dev_err(max77693->dev, "failed to allocate register map: %d\n", ret); - goto err_regmap; + goto err_regmap_muic; } ret = max77693_irq_init(max77693); @@ -184,9 +186,9 @@ static int max77693_i2c_probe(struct i2c_client *i2c, err_mfd: max77693_irq_exit(max77693); err_irq: +err_regmap_muic: i2c_unregister_device(max77693->muic); i2c_unregister_device(max77693->haptic); -err_regmap: return ret; } diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c index 64803f13bcec..d11567307fbe 100644 --- a/drivers/mfd/pcf50633-core.c +++ b/drivers/mfd/pcf50633-core.c @@ -208,6 +208,8 @@ static int pcf50633_probe(struct i2c_client *client, if (!pcf) return -ENOMEM; + i2c_set_clientdata(client, pcf); + pcf->dev = &client->dev; pcf->pdata = pdata; mutex_init(&pcf->lock); @@ -219,9 +221,6 @@ static int pcf50633_probe(struct i2c_client *client, return ret; } - i2c_set_clientdata(client, pcf); - pcf->dev = &client->dev; - version = pcf50633_reg_read(pcf, 0); variant = pcf50633_reg_read(pcf, 1); if (version < 0 || variant < 0) { diff --git a/drivers/mfd/rtl8411.c b/drivers/mfd/rtl8411.c index 89f046ca9e41..3d3b4addf81a 100644 --- a/drivers/mfd/rtl8411.c +++ b/drivers/mfd/rtl8411.c @@ -112,6 +112,21 @@ static int rtl8411_card_power_off(struct rtsx_pcr *pcr, int card) BPP_LDO_POWB, BPP_LDO_SUSPEND); } +static int rtl8411_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage) +{ + u8 mask, val; + + mask = (BPP_REG_TUNED18 << BPP_TUNED18_SHIFT_8411) | BPP_PAD_MASK; + if (voltage == OUTPUT_3V3) + val = (BPP_ASIC_3V3 << BPP_TUNED18_SHIFT_8411) | BPP_PAD_3V3; + else if (voltage == OUTPUT_1V8) + val = (BPP_ASIC_1V8 << BPP_TUNED18_SHIFT_8411) | BPP_PAD_1V8; + else + return -EINVAL; + + return rtsx_pci_write_register(pcr, LDO_CTL, mask, val); +} + static unsigned int rtl8411_cd_deglitch(struct rtsx_pcr *pcr) { unsigned int card_exist; @@ -163,6 +178,18 @@ static unsigned int rtl8411_cd_deglitch(struct rtsx_pcr *pcr) return card_exist; } +static int rtl8411_conv_clk_and_div_n(int input, int dir) +{ + int output; + + if (dir == CLK_TO_DIV_N) + output = input * 4 / 5 - 2; + else + output = (input + 2) * 5 / 4; + + return output; +} + static const struct pcr_ops rtl8411_pcr_ops = { .extra_init_hw = rtl8411_extra_init_hw, .optimize_phy = NULL, @@ -172,7 +199,9 @@ static const struct pcr_ops rtl8411_pcr_ops = { .disable_auto_blink = rtl8411_disable_auto_blink, .card_power_on = rtl8411_card_power_on, .card_power_off = rtl8411_card_power_off, + .switch_output_voltage = rtl8411_switch_output_voltage, .cd_deglitch = rtl8411_cd_deglitch, + .conv_clk_and_div_n = rtl8411_conv_clk_and_div_n, }; /* SD Pull Control Enable: diff --git a/drivers/mfd/rts5209.c b/drivers/mfd/rts5209.c index 283a4f148084..98fe0f39463e 100644 --- a/drivers/mfd/rts5209.c +++ b/drivers/mfd/rts5209.c @@ -144,6 +144,25 @@ static int rts5209_card_power_off(struct rtsx_pcr *pcr, int card) return rtsx_pci_send_cmd(pcr, 100); } +static int rts5209_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage) +{ + int err; + + if (voltage == OUTPUT_3V3) { + err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4FC0 | 0x24); + if (err < 0) + return err; + } else if (voltage == OUTPUT_1V8) { + err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4C40 | 0x24); + if (err < 0) + return err; + } else { + return -EINVAL; + } + + return 0; +} + static const struct pcr_ops rts5209_pcr_ops = { .extra_init_hw = rts5209_extra_init_hw, .optimize_phy = rts5209_optimize_phy, @@ -153,7 +172,9 @@ static const struct pcr_ops rts5209_pcr_ops = { .disable_auto_blink = rts5209_disable_auto_blink, .card_power_on = rts5209_card_power_on, .card_power_off = rts5209_card_power_off, + .switch_output_voltage = rts5209_switch_output_voltage, .cd_deglitch = NULL, + .conv_clk_and_div_n = NULL, }; /* SD Pull Control Enable: diff --git a/drivers/mfd/rts5229.c b/drivers/mfd/rts5229.c index b9dbab266fda..29d889cbb9c5 100644 --- a/drivers/mfd/rts5229.c +++ b/drivers/mfd/rts5229.c @@ -114,6 +114,25 @@ static int rts5229_card_power_off(struct rtsx_pcr *pcr, int card) return rtsx_pci_send_cmd(pcr, 100); } +static int rts5229_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage) +{ + int err; + + if (voltage == OUTPUT_3V3) { + err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4FC0 | 0x24); + if (err < 0) + return err; + } else if (voltage == OUTPUT_1V8) { + err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4C40 | 0x24); + if (err < 0) + return err; + } else { + return -EINVAL; + } + + return 0; +} + static const struct pcr_ops rts5229_pcr_ops = { .extra_init_hw = rts5229_extra_init_hw, .optimize_phy = rts5229_optimize_phy, @@ -123,7 +142,9 @@ static const struct pcr_ops rts5229_pcr_ops = { .disable_auto_blink = rts5229_disable_auto_blink, .card_power_on = rts5229_card_power_on, .card_power_off = rts5229_card_power_off, + .switch_output_voltage = rts5229_switch_output_voltage, .cd_deglitch = NULL, + .conv_clk_and_div_n = NULL, }; /* SD Pull Control Enable: diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c index 7a7b0bda4618..9fc57009e228 100644 --- a/drivers/mfd/rtsx_pcr.c +++ b/drivers/mfd/rtsx_pcr.c @@ -630,7 +630,10 @@ int rtsx_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock, if (clk == pcr->cur_clock) return 0; - N = (u8)(clk - 2); + if (pcr->ops->conv_clk_and_div_n) + N = (u8)pcr->ops->conv_clk_and_div_n(clk, CLK_TO_DIV_N); + else + N = (u8)(clk - 2); if ((clk <= 2) || (N > max_N)) return -EINVAL; @@ -641,7 +644,14 @@ int rtsx_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock, /* Make sure that the SSC clock div_n is equal or greater than min_N */ div = CLK_DIV_1; while ((N < min_N) && (div < max_div)) { - N = (N + 2) * 2 - 2; + if (pcr->ops->conv_clk_and_div_n) { + int dbl_clk = pcr->ops->conv_clk_and_div_n(N, + DIV_N_TO_CLK) * 2; + N = (u8)pcr->ops->conv_clk_and_div_n(dbl_clk, + CLK_TO_DIV_N); + } else { + N = (N + 2) * 2 - 2; + } div++; } dev_dbg(&(pcr->pci->dev), "N = %d, div = %d\n", N, div); @@ -703,6 +713,15 @@ int rtsx_pci_card_power_off(struct rtsx_pcr *pcr, int card) } EXPORT_SYMBOL_GPL(rtsx_pci_card_power_off); +int rtsx_pci_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage) +{ + if (pcr->ops->switch_output_voltage) + return pcr->ops->switch_output_voltage(pcr, voltage); + + return 0; +} +EXPORT_SYMBOL_GPL(rtsx_pci_switch_output_voltage); + unsigned int rtsx_pci_card_exist(struct rtsx_pcr *pcr) { unsigned int val; @@ -767,10 +786,10 @@ static void rtsx_pci_card_detect(struct work_struct *work) spin_unlock_irqrestore(&pcr->lock, flags); - if (card_detect & SD_EXIST) + if ((card_detect & SD_EXIST) && pcr->slots[RTSX_SD_CARD].card_event) pcr->slots[RTSX_SD_CARD].card_event( pcr->slots[RTSX_SD_CARD].p_dev); - if (card_detect & MS_EXIST) + if ((card_detect & MS_EXIST) && pcr->slots[RTSX_MS_CARD].card_event) pcr->slots[RTSX_MS_CARD].card_event( pcr->slots[RTSX_MS_CARD].p_dev); } diff --git a/drivers/mfd/tc3589x.c b/drivers/mfd/tc3589x.c index a06d66b929b1..ecc092c7f745 100644 --- a/drivers/mfd/tc3589x.c +++ b/drivers/mfd/tc3589x.c @@ -219,25 +219,18 @@ static void tc3589x_irq_unmap(struct irq_domain *d, unsigned int virq) } static struct irq_domain_ops tc3589x_irq_ops = { - .map = tc3589x_irq_map, + .map = tc3589x_irq_map, .unmap = tc3589x_irq_unmap, - .xlate = irq_domain_xlate_twocell, + .xlate = irq_domain_xlate_twocell, }; static int tc3589x_irq_init(struct tc3589x *tc3589x, struct device_node *np) { int base = tc3589x->irq_base; - if (base) { - tc3589x->domain = irq_domain_add_legacy( - NULL, TC3589x_NR_INTERNAL_IRQS, base, - 0, &tc3589x_irq_ops, tc3589x); - } - else { - tc3589x->domain = irq_domain_add_linear( - np, TC3589x_NR_INTERNAL_IRQS, - &tc3589x_irq_ops, tc3589x); - } + tc3589x->domain = irq_domain_add_simple( + np, TC3589x_NR_INTERNAL_IRQS, base, + &tc3589x_irq_ops, tc3589x); if (!tc3589x->domain) { dev_err(tc3589x->dev, "Failed to create irqdomain\n"); diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c index 4dae241e5017..dd362c1078e1 100644 --- a/drivers/mfd/twl4030-power.c +++ b/drivers/mfd/twl4030-power.c @@ -159,7 +159,7 @@ out: static int twl4030_write_script(u8 address, struct twl4030_ins *script, int len) { - int err; + int err = -EINVAL; for (; len; len--, address++, script++) { if (len == 1) { diff --git a/drivers/mfd/vexpress-config.c b/drivers/mfd/vexpress-config.c index fae15d880758..3c1723aa6225 100644 --- a/drivers/mfd/vexpress-config.c +++ b/drivers/mfd/vexpress-config.c @@ -67,6 +67,7 @@ struct vexpress_config_bridge *vexpress_config_bridge_register( return bridge; } +EXPORT_SYMBOL(vexpress_config_bridge_register); void vexpress_config_bridge_unregister(struct vexpress_config_bridge *bridge) { @@ -83,6 +84,7 @@ void vexpress_config_bridge_unregister(struct vexpress_config_bridge *bridge) while (!list_empty(&__bridge.transactions)) cpu_relax(); } +EXPORT_SYMBOL(vexpress_config_bridge_unregister); struct vexpress_config_func { @@ -142,6 +144,7 @@ struct vexpress_config_func *__vexpress_config_func_get(struct device *dev, return func; } +EXPORT_SYMBOL(__vexpress_config_func_get); void vexpress_config_func_put(struct vexpress_config_func *func) { @@ -149,7 +152,7 @@ void vexpress_config_func_put(struct vexpress_config_func *func) of_node_put(func->bridge->node); kfree(func); } - +EXPORT_SYMBOL(vexpress_config_func_put); struct vexpress_config_trans { struct vexpress_config_func *func; @@ -229,6 +232,7 @@ void vexpress_config_complete(struct vexpress_config_bridge *bridge, complete(&trans->completion); } +EXPORT_SYMBOL(vexpress_config_complete); int vexpress_config_wait(struct vexpress_config_trans *trans) { @@ -236,7 +240,7 @@ int vexpress_config_wait(struct vexpress_config_trans *trans) return trans->status; } - +EXPORT_SYMBOL(vexpress_config_wait); int vexpress_config_read(struct vexpress_config_func *func, int offset, u32 *data) diff --git a/drivers/mfd/vexpress-sysreg.c b/drivers/mfd/vexpress-sysreg.c index e5d8f63b252a..77048b18439e 100644 --- a/drivers/mfd/vexpress-sysreg.c +++ b/drivers/mfd/vexpress-sysreg.c @@ -313,19 +313,11 @@ static void vexpress_sysreg_config_complete(unsigned long data) } -void __init vexpress_sysreg_early_init(void __iomem *base) +void __init vexpress_sysreg_setup(struct device_node *node) { - struct device_node *node = of_find_compatible_node(NULL, NULL, - "arm,vexpress-sysreg"); - - if (node) - base = of_iomap(node, 0); - - if (WARN_ON(!base)) + if (WARN_ON(!vexpress_sysreg_base)) return; - vexpress_sysreg_base = base; - if (readl(vexpress_sysreg_base + SYS_MISC) & SYS_MISC_MASTERSITE) vexpress_master_site = VEXPRESS_SITE_DB2; else @@ -336,9 +328,23 @@ void __init vexpress_sysreg_early_init(void __iomem *base) WARN_ON(!vexpress_sysreg_config_bridge); } +void __init vexpress_sysreg_early_init(void __iomem *base) +{ + vexpress_sysreg_base = base; + vexpress_sysreg_setup(NULL); +} + void __init vexpress_sysreg_of_early_init(void) { - vexpress_sysreg_early_init(NULL); + struct device_node *node = of_find_compatible_node(NULL, NULL, + "arm,vexpress-sysreg"); + + if (node) { + vexpress_sysreg_base = of_iomap(node, 0); + vexpress_sysreg_setup(node); + } else { + pr_info("vexpress-sysreg: No Device Tree node found."); + } } @@ -426,9 +432,11 @@ static int vexpress_sysreg_probe(struct platform_device *pdev) return -EBUSY; } - if (!vexpress_sysreg_base) + if (!vexpress_sysreg_base) { vexpress_sysreg_base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); + vexpress_sysreg_setup(pdev->dev.of_node); + } if (!vexpress_sysreg_base) { dev_err(&pdev->dev, "Failed to obtain base address!\n"); diff --git a/drivers/mfd/wm5102-tables.c b/drivers/mfd/wm5102-tables.c index 088872ab6338..1133a64c2dc9 100644 --- a/drivers/mfd/wm5102-tables.c +++ b/drivers/mfd/wm5102-tables.c @@ -1882,7 +1882,7 @@ static bool wm5102_volatile_register(struct device *dev, unsigned int reg) } } -#define WM5102_MAX_REGISTER 0x1a8fff +#define WM5102_MAX_REGISTER 0x1a9800 const struct regmap_config wm5102_spi_regmap = { .reg_bits = 32, diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c index 158da5a81a66..3c09cbb70b1d 100644 --- a/drivers/misc/atmel-ssc.c +++ b/drivers/misc/atmel-ssc.c @@ -19,6 +19,7 @@ #include <linux/module.h> #include <linux/of.h> +#include <linux/pinctrl/consumer.h> /* Serialize access to ssc_list and user count */ static DEFINE_SPINLOCK(user_lock); @@ -131,6 +132,13 @@ static int ssc_probe(struct platform_device *pdev) struct resource *regs; struct ssc_device *ssc; const struct atmel_ssc_platform_data *plat_dat; + struct pinctrl *pinctrl; + + pinctrl = devm_pinctrl_get_select_default(&pdev->dev); + if (IS_ERR(pinctrl)) { + dev_err(&pdev->dev, "Failed to request pinctrl\n"); + return PTR_ERR(pinctrl); + } ssc = devm_kzalloc(&pdev->dev, sizeof(struct ssc_device), GFP_KERNEL); if (!ssc) { diff --git a/drivers/misc/ti-st/st_kim.c b/drivers/misc/ti-st/st_kim.c index 9ff942a346ed..83269f1d16e3 100644 --- a/drivers/misc/ti-st/st_kim.c +++ b/drivers/misc/ti-st/st_kim.c @@ -468,6 +468,11 @@ long st_kim_start(void *kim_data) if (pdata->chip_enable) pdata->chip_enable(kim_gdata); + /* Configure BT nShutdown to HIGH state */ + gpio_set_value(kim_gdata->nshutdown, GPIO_LOW); + mdelay(5); /* FIXME: a proper toggle */ + gpio_set_value(kim_gdata->nshutdown, GPIO_HIGH); + mdelay(100); /* re-initialize the completion */ INIT_COMPLETION(kim_gdata->ldisc_installed); /* send notification to UIM */ @@ -509,7 +514,8 @@ long st_kim_start(void *kim_data) * (b) upon failure to either install ldisc or download firmware. * The function is responsible to (a) notify UIM about un-installation, * (b) flush UART if the ldisc was installed. - * (c) invoke platform's chip disabling routine. + * (c) reset BT_EN - pull down nshutdown at the end. + * (d) invoke platform's chip disabling routine. */ long st_kim_stop(void *kim_data) { @@ -541,6 +547,13 @@ long st_kim_stop(void *kim_data) err = -ETIMEDOUT; } + /* By default configure BT nShutdown to LOW state */ + gpio_set_value(kim_gdata->nshutdown, GPIO_LOW); + mdelay(1); + gpio_set_value(kim_gdata->nshutdown, GPIO_HIGH); + mdelay(1); + gpio_set_value(kim_gdata->nshutdown, GPIO_LOW); + /* platform specific disable */ if (pdata->chip_disable) pdata->chip_disable(kim_gdata); @@ -733,6 +746,20 @@ static int kim_probe(struct platform_device *pdev) /* refer to itself */ kim_gdata->core_data->kim_data = kim_gdata; + /* Claim the chip enable nShutdown gpio from the system */ + kim_gdata->nshutdown = pdata->nshutdown_gpio; + err = gpio_request(kim_gdata->nshutdown, "kim"); + if (unlikely(err)) { + pr_err(" gpio %ld request failed ", kim_gdata->nshutdown); + return err; + } + + /* Configure nShutdown GPIO as output=0 */ + err = gpio_direction_output(kim_gdata->nshutdown, 0); + if (unlikely(err)) { + pr_err(" unable to configure gpio %ld", kim_gdata->nshutdown); + return err; + } /* get reference of pdev for request_firmware */ kim_gdata->kim_pdev = pdev; @@ -779,10 +806,18 @@ err_core_init: static int kim_remove(struct platform_device *pdev) { + /* free the GPIOs requested */ + struct ti_st_plat_data *pdata = pdev->dev.platform_data; struct kim_data_s *kim_gdata; kim_gdata = dev_get_drvdata(&pdev->dev); + /* Free the Bluetooth/FM/GPIO + * nShutdown gpio from the system + */ + gpio_free(pdata->nshutdown_gpio); + pr_info("nshutdown GPIO Freed"); + debugfs_remove_recursive(kim_debugfs_dir); sysfs_remove_group(&pdev->dev.kobj, &uim_attr_grp); pr_info("sysfs entries removed"); diff --git a/drivers/mmc/host/mvsdio.c b/drivers/mmc/host/mvsdio.c index de4c20b3936c..f8dd36102949 100644 --- a/drivers/mmc/host/mvsdio.c +++ b/drivers/mmc/host/mvsdio.c @@ -50,8 +50,6 @@ struct mvsd_host { struct timer_list timer; struct mmc_host *mmc; struct device *dev; - struct resource *res; - int irq; struct clk *clk; int gpio_card_detect; int gpio_write_protect; @@ -718,10 +716,6 @@ static int __init mvsd_probe(struct platform_device *pdev) if (!r || irq < 0 || !mvsd_data) return -ENXIO; - r = request_mem_region(r->start, SZ_1K, DRIVER_NAME); - if (!r) - return -EBUSY; - mmc = mmc_alloc_host(sizeof(struct mvsd_host), &pdev->dev); if (!mmc) { ret = -ENOMEM; @@ -731,8 +725,8 @@ static int __init mvsd_probe(struct platform_device *pdev) host = mmc_priv(mmc); host->mmc = mmc; host->dev = &pdev->dev; - host->res = r; host->base_clock = mvsd_data->clock / 2; + host->clk = ERR_PTR(-EINVAL); mmc->ops = &mvsd_ops; @@ -752,7 +746,7 @@ static int __init mvsd_probe(struct platform_device *pdev) spin_lock_init(&host->lock); - host->base = ioremap(r->start, SZ_4K); + host->base = devm_request_and_ioremap(&pdev->dev, r); if (!host->base) { ret = -ENOMEM; goto out; @@ -765,44 +759,45 @@ static int __init mvsd_probe(struct platform_device *pdev) mvsd_power_down(host); - ret = request_irq(irq, mvsd_irq, 0, DRIVER_NAME, host); + ret = devm_request_irq(&pdev->dev, irq, mvsd_irq, 0, DRIVER_NAME, host); if (ret) { pr_err("%s: cannot assign irq %d\n", DRIVER_NAME, irq); goto out; - } else - host->irq = irq; + } /* Not all platforms can gate the clock, so it is not an error if the clock does not exists. */ - host->clk = clk_get(&pdev->dev, NULL); - if (!IS_ERR(host->clk)) { + host->clk = devm_clk_get(&pdev->dev, NULL); + if (!IS_ERR(host->clk)) clk_prepare_enable(host->clk); - } if (mvsd_data->gpio_card_detect) { - ret = gpio_request(mvsd_data->gpio_card_detect, - DRIVER_NAME " cd"); + ret = devm_gpio_request_one(&pdev->dev, + mvsd_data->gpio_card_detect, + GPIOF_IN, DRIVER_NAME " cd"); if (ret == 0) { - gpio_direction_input(mvsd_data->gpio_card_detect); irq = gpio_to_irq(mvsd_data->gpio_card_detect); - ret = request_irq(irq, mvsd_card_detect_irq, - IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING, - DRIVER_NAME " cd", host); + ret = devm_request_irq(&pdev->dev, irq, + mvsd_card_detect_irq, + IRQ_TYPE_EDGE_RISING | + IRQ_TYPE_EDGE_FALLING, + DRIVER_NAME " cd", host); if (ret == 0) host->gpio_card_detect = mvsd_data->gpio_card_detect; else - gpio_free(mvsd_data->gpio_card_detect); + devm_gpio_free(&pdev->dev, + mvsd_data->gpio_card_detect); } } if (!host->gpio_card_detect) mmc->caps |= MMC_CAP_NEEDS_POLL; if (mvsd_data->gpio_write_protect) { - ret = gpio_request(mvsd_data->gpio_write_protect, - DRIVER_NAME " wp"); + ret = devm_gpio_request_one(&pdev->dev, + mvsd_data->gpio_write_protect, + GPIOF_IN, DRIVER_NAME " wp"); if (ret == 0) { - gpio_direction_input(mvsd_data->gpio_write_protect); host->gpio_write_protect = mvsd_data->gpio_write_protect; } @@ -824,26 +819,11 @@ static int __init mvsd_probe(struct platform_device *pdev) return 0; out: - if (host) { - if (host->irq) - free_irq(host->irq, host); - if (host->gpio_card_detect) { - free_irq(gpio_to_irq(host->gpio_card_detect), host); - gpio_free(host->gpio_card_detect); - } - if (host->gpio_write_protect) - gpio_free(host->gpio_write_protect); - if (host->base) - iounmap(host->base); - } - if (r) - release_resource(r); - if (mmc) - if (!IS_ERR_OR_NULL(host->clk)) { + if (mmc) { + if (!IS_ERR(host->clk)) clk_disable_unprepare(host->clk); - clk_put(host->clk); - } mmc_free_host(mmc); + } return ret; } @@ -852,28 +832,16 @@ static int __exit mvsd_remove(struct platform_device *pdev) { struct mmc_host *mmc = platform_get_drvdata(pdev); - if (mmc) { - struct mvsd_host *host = mmc_priv(mmc); + struct mvsd_host *host = mmc_priv(mmc); - if (host->gpio_card_detect) { - free_irq(gpio_to_irq(host->gpio_card_detect), host); - gpio_free(host->gpio_card_detect); - } - mmc_remove_host(mmc); - free_irq(host->irq, host); - if (host->gpio_write_protect) - gpio_free(host->gpio_write_protect); - del_timer_sync(&host->timer); - mvsd_power_down(host); - iounmap(host->base); - release_resource(host->res); + mmc_remove_host(mmc); + del_timer_sync(&host->timer); + mvsd_power_down(host); + + if (!IS_ERR(host->clk)) + clk_disable_unprepare(host->clk); + mmc_free_host(mmc); - if (!IS_ERR(host->clk)) { - clk_disable_unprepare(host->clk); - clk_put(host->clk); - } - mmc_free_host(mmc); - } platform_set_drvdata(pdev, NULL); return 0; } diff --git a/drivers/mmc/host/rtsx_pci_sdmmc.c b/drivers/mmc/host/rtsx_pci_sdmmc.c index 571915dfb218..f74b5adca642 100644 --- a/drivers/mmc/host/rtsx_pci_sdmmc.c +++ b/drivers/mmc/host/rtsx_pci_sdmmc.c @@ -1060,26 +1060,6 @@ static int sd_wait_voltage_stable_2(struct realtek_pci_sdmmc *host) return 0; } -static int sd_change_bank_voltage(struct realtek_pci_sdmmc *host, u8 voltage) -{ - struct rtsx_pcr *pcr = host->pcr; - int err; - - if (voltage == SD_IO_3V3) { - err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4FC0 | 0x24); - if (err < 0) - return err; - } else if (voltage == SD_IO_1V8) { - err = rtsx_pci_write_phy_register(pcr, 0x08, 0x4C40 | 0x24); - if (err < 0) - return err; - } else { - return -EINVAL; - } - - return 0; -} - static int sdmmc_switch_voltage(struct mmc_host *mmc, struct mmc_ios *ios) { struct realtek_pci_sdmmc *host = mmc_priv(mmc); @@ -1098,11 +1078,11 @@ static int sdmmc_switch_voltage(struct mmc_host *mmc, struct mmc_ios *ios) rtsx_pci_start_run(pcr); if (ios->signal_voltage == MMC_SIGNAL_VOLTAGE_330) - voltage = SD_IO_3V3; + voltage = OUTPUT_3V3; else - voltage = SD_IO_1V8; + voltage = OUTPUT_1V8; - if (voltage == SD_IO_1V8) { + if (voltage == OUTPUT_1V8) { err = rtsx_pci_write_register(pcr, SD30_DRIVE_SEL, 0x07, DRIVER_TYPE_B); if (err < 0) @@ -1113,11 +1093,11 @@ static int sdmmc_switch_voltage(struct mmc_host *mmc, struct mmc_ios *ios) goto out; } - err = sd_change_bank_voltage(host, voltage); + err = rtsx_pci_switch_output_voltage(pcr, voltage); if (err < 0) goto out; - if (voltage == SD_IO_1V8) { + if (voltage == OUTPUT_1V8) { err = sd_wait_voltage_stable_2(host); if (err < 0) goto out; diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c index 57eb1e77865d..285f763e3cd1 100644 --- a/drivers/net/can/c_can/c_can.c +++ b/drivers/net/can/c_can/c_can.c @@ -964,7 +964,7 @@ static int c_can_handle_bus_err(struct net_device *dev, break; case LEC_ACK_ERROR: netdev_dbg(dev, "ack error\n"); - cf->data[2] |= (CAN_ERR_PROT_LOC_ACK | + cf->data[3] |= (CAN_ERR_PROT_LOC_ACK | CAN_ERR_PROT_LOC_ACK_DEL); break; case LEC_BIT1_ERROR: @@ -977,7 +977,7 @@ static int c_can_handle_bus_err(struct net_device *dev, break; case LEC_CRC_ERROR: netdev_dbg(dev, "CRC error\n"); - cf->data[2] |= (CAN_ERR_PROT_LOC_CRC_SEQ | + cf->data[3] |= (CAN_ERR_PROT_LOC_CRC_SEQ | CAN_ERR_PROT_LOC_CRC_DEL); break; default: diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c index 7d1748575b1f..5c314a961970 100644 --- a/drivers/net/can/pch_can.c +++ b/drivers/net/can/pch_can.c @@ -560,7 +560,7 @@ static void pch_can_error(struct net_device *ndev, u32 status) stats->rx_errors++; break; case PCH_CRC_ERR: - cf->data[2] |= CAN_ERR_PROT_LOC_CRC_SEQ | + cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ | CAN_ERR_PROT_LOC_CRC_DEL; priv->can.can_stats.bus_error++; stats->rx_errors++; diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c index f52a9755fb3e..f21fc37ec578 100644 --- a/drivers/net/can/ti_hecc.c +++ b/drivers/net/can/ti_hecc.c @@ -748,12 +748,12 @@ static int ti_hecc_error(struct net_device *ndev, int int_status, } if (err_status & HECC_CANES_CRCE) { hecc_set_bit(priv, HECC_CANES, HECC_CANES_CRCE); - cf->data[2] |= CAN_ERR_PROT_LOC_CRC_SEQ | + cf->data[3] |= CAN_ERR_PROT_LOC_CRC_SEQ | CAN_ERR_PROT_LOC_CRC_DEL; } if (err_status & HECC_CANES_ACKE) { hecc_set_bit(priv, HECC_CANES, HECC_CANES_ACKE); - cf->data[2] |= CAN_ERR_PROT_LOC_ACK | + cf->data[3] |= CAN_ERR_PROT_LOC_ACK | CAN_ERR_PROT_LOC_ACK_DEL; } } diff --git a/drivers/net/ethernet/3com/3c574_cs.c b/drivers/net/ethernet/3com/3c574_cs.c index 66df93638085..ffd8de28a76a 100644 --- a/drivers/net/ethernet/3com/3c574_cs.c +++ b/drivers/net/ethernet/3com/3c574_cs.c @@ -432,7 +432,7 @@ static int tc574_config(struct pcmcia_device *link) netdev_info(dev, "%s at io %#3lx, irq %d, hw_addr %pM\n", cardname, dev->base_addr, dev->irq, dev->dev_addr); netdev_info(dev, " %dK FIFO split %s Rx:Tx, %sMII interface.\n", - 8 << config & Ram_size, + 8 << (config & Ram_size), ram_split[(config & Ram_split) >> Ram_split_shift], config & Autoselect ? "autoselect " : ""); diff --git a/drivers/net/ethernet/calxeda/xgmac.c b/drivers/net/ethernet/calxeda/xgmac.c index a345e2454b83..a170065b5973 100644 --- a/drivers/net/ethernet/calxeda/xgmac.c +++ b/drivers/net/ethernet/calxeda/xgmac.c @@ -548,6 +548,10 @@ static int desc_get_rx_status(struct xgmac_priv *priv, struct xgmac_dma_desc *p) return -1; } + /* All frames should fit into a single buffer */ + if (!(status & RXDESC_FIRST_SEG) || !(status & RXDESC_LAST_SEG)) + return -1; + /* Check if packet has checksum already */ if ((status & RXDESC_FRAME_TYPE) && (status & RXDESC_EXT_STATUS) && !(ext_status & RXDESC_IP_PAYLOAD_MASK)) diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 424f8ed67d39..c6c05bfef0e0 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -1994,9 +1994,20 @@ static int set_coalesce(struct net_device *dev, struct ethtool_coalesce *c) { const struct port_info *pi = netdev_priv(dev); struct adapter *adap = pi->adapter; - - return set_rxq_intr_params(adap, &adap->sge.ethrxq[pi->first_qset].rspq, - c->rx_coalesce_usecs, c->rx_max_coalesced_frames); + struct sge_rspq *q; + int i; + int r = 0; + + for (i = pi->first_qset; i < pi->first_qset + pi->nqsets; i++) { + q = &adap->sge.ethrxq[i].rspq; + r = set_rxq_intr_params(adap, q, c->rx_coalesce_usecs, + c->rx_max_coalesced_frames); + if (r) { + dev_err(&dev->dev, "failed to set coalesce %d\n", r); + break; + } + } + return r; } static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c) diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c index 3c5ffd2f5c6f..30724d811115 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c @@ -640,10 +640,15 @@ netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev) ring->tx_csum++; } - /* Copy dst mac address to wqe */ - ethh = (struct ethhdr *)skb->data; - tx_desc->ctrl.srcrb_flags16[0] = get_unaligned((__be16 *)ethh->h_dest); - tx_desc->ctrl.imm = get_unaligned((__be32 *)(ethh->h_dest + 2)); + if (mlx4_is_mfunc(mdev->dev) || priv->validate_loopback) { + /* Copy dst mac address to wqe. This allows loopback in eSwitch, + * so that VFs and PF can communicate with each other + */ + ethh = (struct ethhdr *)skb->data; + tx_desc->ctrl.srcrb_flags16[0] = get_unaligned((__be16 *)ethh->h_dest); + tx_desc->ctrl.imm = get_unaligned((__be32 *)(ethh->h_dest + 2)); + } + /* Handle LSO (TSO) packets */ if (lso_header_size) { /* Mark opcode as LSO */ diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 983fd3d62bce..f1ee52d10467 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -1790,15 +1790,8 @@ static void mlx4_enable_msi_x(struct mlx4_dev *dev) int i; if (msi_x) { - /* In multifunction mode each function gets 2 msi-X vectors - * one for data path completions anf the other for asynch events - * or command completions */ - if (mlx4_is_mfunc(dev)) { - nreq = 2; - } else { - nreq = min_t(int, dev->caps.num_eqs - - dev->caps.reserved_eqs, nreq); - } + nreq = min_t(int, dev->caps.num_eqs - dev->caps.reserved_eqs, + nreq); entries = kcalloc(nreq, sizeof *entries, GFP_KERNEL); if (!entries) diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c index bc165f4d0f65..695667d471a1 100644 --- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c +++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c @@ -144,7 +144,7 @@ void netxen_release_tx_buffers(struct netxen_adapter *adapter) buffrag->length, PCI_DMA_TODEVICE); buffrag->dma = 0ULL; } - for (j = 0; j < cmd_buf->frag_count; j++) { + for (j = 1; j < cmd_buf->frag_count; j++) { buffrag++; if (buffrag->dma) { pci_unmap_page(adapter->pdev, buffrag->dma, diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c index 8e40ea09d7fc..7a849fc55a66 100644 --- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c +++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c @@ -1962,10 +1962,12 @@ unwind: while (--i >= 0) { nf = &pbuf->frag_array[i+1]; pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE); + nf->dma = 0ULL; } nf = &pbuf->frag_array[0]; pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE); + nf->dma = 0ULL; out_err: return -ENOMEM; diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index 97fdbb1d6412..4208f28d5d19 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -1825,8 +1825,6 @@ static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb) if (opts2 & RxVlanTag) __vlan_hwaccel_put_tag(skb, swab16(opts2 & 0xffff)); - - desc->opts2 = 0; } static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd) @@ -6061,8 +6059,6 @@ static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget !(status & (RxRWT | RxFOVF)) && (dev->features & NETIF_F_RXALL)) goto process_pkt; - - rtl8169_mark_to_asic(desc, rx_buf_sz); } else { struct sk_buff *skb; dma_addr_t addr; @@ -6083,16 +6079,14 @@ process_pkt: if (unlikely(rtl8169_fragmented_frame(status))) { dev->stats.rx_dropped++; dev->stats.rx_length_errors++; - rtl8169_mark_to_asic(desc, rx_buf_sz); - continue; + goto release_descriptor; } skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry], tp, pkt_size, addr); - rtl8169_mark_to_asic(desc, rx_buf_sz); if (!skb) { dev->stats.rx_dropped++; - continue; + goto release_descriptor; } rtl8169_rx_csum(skb, status); @@ -6108,13 +6102,10 @@ process_pkt: tp->rx_stats.bytes += pkt_size; u64_stats_update_end(&tp->rx_stats.syncp); } - - /* Work around for AMD plateform. */ - if ((desc->opts2 & cpu_to_le32(0xfffe000)) && - (tp->mac_version == RTL_GIGA_MAC_VER_05)) { - desc->opts2 = 0; - cur_rx++; - } +release_descriptor: + desc->opts2 = 0; + wmb(); + rtl8169_mark_to_asic(desc, rx_buf_sz); } count = cur_rx - tp->cur_rx; diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index 5fd6f4674326..e6fe0d80d612 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -84,7 +84,7 @@ struct hv_netvsc_packet { }; struct netvsc_device_info { - unsigned char mac_adr[6]; + unsigned char mac_adr[ETH_ALEN]; bool link_state; /* 0 - link up, 1 - link down */ int ring_size; }; diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index a9975c7e6461..d5202a4b0877 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -349,7 +349,7 @@ static int netvsc_set_mac_addr(struct net_device *ndev, void *p) struct net_device_context *ndevctx = netdev_priv(ndev); struct hv_device *hdev = ndevctx->device_ctx; struct sockaddr *addr = p; - char save_adr[14]; + char save_adr[ETH_ALEN]; unsigned char save_aatype; int err; diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c index 81f8f9e31db5..fcbf680c3e62 100644 --- a/drivers/net/loopback.c +++ b/drivers/net/loopback.c @@ -77,6 +77,11 @@ static netdev_tx_t loopback_xmit(struct sk_buff *skb, skb_orphan(skb); + /* Before queueing this packet to netif_rx(), + * make sure dst is refcounted. + */ + skb_dst_force(skb); + skb->protocol = eth_type_trans(skb, dev); /* it's OK to use per_cpu_ptr() because BHs are off */ diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c index 1047e5875801..7b44ebd7770e 100644 --- a/drivers/net/macvlan.c +++ b/drivers/net/macvlan.c @@ -828,7 +828,10 @@ static int macvlan_changelink(struct net_device *dev, static size_t macvlan_get_size(const struct net_device *dev) { - return nla_total_size(4); + return (0 + + nla_total_size(4) /* IFLA_MACVLAN_MODE */ + + nla_total_size(2) /* IFLA_MACVLAN_FLAGS */ + ); } static int macvlan_fill_info(struct sk_buff *skb, diff --git a/drivers/net/phy/icplus.c b/drivers/net/phy/icplus.c index d5199cb4caec..b5ddd5077a80 100644 --- a/drivers/net/phy/icplus.c +++ b/drivers/net/phy/icplus.c @@ -36,8 +36,9 @@ MODULE_LICENSE("GPL"); /* IP101A/G - IP1001 */ #define IP10XX_SPEC_CTRL_STATUS 16 /* Spec. Control Register */ +#define IP1001_RXPHASE_SEL (1<<0) /* Add delay on RX_CLK */ +#define IP1001_TXPHASE_SEL (1<<1) /* Add delay on TX_CLK */ #define IP1001_SPEC_CTRL_STATUS_2 20 /* IP1001 Spec. Control Reg 2 */ -#define IP1001_PHASE_SEL_MASK 3 /* IP1001 RX/TXPHASE_SEL */ #define IP1001_APS_ON 11 /* IP1001 APS Mode bit */ #define IP101A_G_APS_ON 2 /* IP101A/G APS Mode bit */ #define IP101A_G_IRQ_CONF_STATUS 0x11 /* Conf Info IRQ & Status Reg */ @@ -138,19 +139,24 @@ static int ip1001_config_init(struct phy_device *phydev) if (c < 0) return c; - /* INTR pin used: speed/link/duplex will cause an interrupt */ - c = phy_write(phydev, IP101A_G_IRQ_CONF_STATUS, IP101A_G_IRQ_DEFAULT); - if (c < 0) - return c; + if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) || + (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) || + (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) || + (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID)) { - if (phydev->interface == PHY_INTERFACE_MODE_RGMII) { - /* Additional delay (2ns) used to adjust RX clock phase - * at RGMII interface */ c = phy_read(phydev, IP10XX_SPEC_CTRL_STATUS); if (c < 0) return c; - c |= IP1001_PHASE_SEL_MASK; + c &= ~(IP1001_RXPHASE_SEL | IP1001_TXPHASE_SEL); + + if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) + c |= (IP1001_RXPHASE_SEL | IP1001_TXPHASE_SEL); + else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) + c |= IP1001_RXPHASE_SEL; + else if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) + c |= IP1001_TXPHASE_SEL; + c = phy_write(phydev, IP10XX_SPEC_CTRL_STATUS, c); if (c < 0) return c; @@ -167,6 +173,11 @@ static int ip101a_g_config_init(struct phy_device *phydev) if (c < 0) return c; + /* INTR pin used: speed/link/duplex will cause an interrupt */ + c = phy_write(phydev, IP101A_G_IRQ_CONF_STATUS, IP101A_G_IRQ_DEFAULT); + if (c < 0) + return c; + /* Enable Auto Power Saving mode */ c = phy_read(phydev, IP10XX_SPEC_CTRL_STATUS); c |= IP101A_G_APS_ON; diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index 5d2a3f215887..22dec9c7ef05 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -353,15 +353,6 @@ static int m88e1111_config_init(struct phy_device *phydev) int err; int temp; - /* Enable Fiber/Copper auto selection */ - temp = phy_read(phydev, MII_M1111_PHY_EXT_SR); - temp &= ~MII_M1111_HWCFG_FIBER_COPPER_AUTO; - phy_write(phydev, MII_M1111_PHY_EXT_SR, temp); - - temp = phy_read(phydev, MII_BMCR); - temp |= BMCR_RESET; - phy_write(phydev, MII_BMCR, temp); - if ((phydev->interface == PHY_INTERFACE_MODE_RGMII) || (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID) || (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) || diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 293ce8dfc9e6..8d208dd92963 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -109,11 +109,11 @@ struct tap_filter { unsigned char addr[FLT_EXACT_COUNT][ETH_ALEN]; }; -/* 1024 is probably a high enough limit: modern hypervisors seem to support on - * the order of 100-200 CPUs so this leaves us some breathing space if we want - * to match a queue per guest CPU. - */ -#define MAX_TAP_QUEUES 1024 +/* DEFAULT_MAX_NUM_RSS_QUEUES were choosed to let the rx/tx queues allocated for + * the netdevice to be fit in one page. So we can make sure the success of + * memory allocation. TODO: increase the limit. */ +#define MAX_TAP_QUEUES DEFAULT_MAX_NUM_RSS_QUEUES +#define MAX_TAP_FLOWS 4096 #define TUN_FLOW_EXPIRE (3 * HZ) @@ -186,6 +186,7 @@ struct tun_struct { unsigned int numdisabled; struct list_head disabled; void *security; + u32 flow_count; }; static inline u32 tun_hashfn(u32 rxhash) @@ -219,6 +220,7 @@ static struct tun_flow_entry *tun_flow_create(struct tun_struct *tun, e->queue_index = queue_index; e->tun = tun; hlist_add_head_rcu(&e->hash_link, head); + ++tun->flow_count; } return e; } @@ -229,6 +231,7 @@ static void tun_flow_delete(struct tun_struct *tun, struct tun_flow_entry *e) e->rxhash, e->queue_index); hlist_del_rcu(&e->hash_link); kfree_rcu(e, rcu); + --tun->flow_count; } static void tun_flow_flush(struct tun_struct *tun) @@ -318,7 +321,8 @@ static void tun_flow_update(struct tun_struct *tun, u32 rxhash, e->updated = jiffies; } else { spin_lock_bh(&tun->lock); - if (!tun_flow_find(head, rxhash)) + if (!tun_flow_find(head, rxhash) && + tun->flow_count < MAX_TAP_FLOWS) tun_flow_create(tun, head, rxhash, queue_index); if (!timer_pending(&tun->flow_gc_timer)) @@ -1587,6 +1591,8 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr) else { char *name; unsigned long flags = 0; + int queues = ifr->ifr_flags & IFF_MULTI_QUEUE ? + MAX_TAP_QUEUES : 1; if (!ns_capable(net->user_ns, CAP_NET_ADMIN)) return -EPERM; @@ -1610,8 +1616,8 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr) name = ifr->ifr_name; dev = alloc_netdev_mqs(sizeof(struct tun_struct), name, - tun_setup, - MAX_TAP_QUEUES, MAX_TAP_QUEUES); + tun_setup, queues, queues); + if (!dev) return -ENOMEM; diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c index 42f51c71ec1f..248d2dc765a5 100644 --- a/drivers/net/usb/cdc_mbim.c +++ b/drivers/net/usb/cdc_mbim.c @@ -374,6 +374,21 @@ static const struct driver_info cdc_mbim_info = { .tx_fixup = cdc_mbim_tx_fixup, }; +/* MBIM and NCM devices should not need a ZLP after NTBs with + * dwNtbOutMaxSize length. This driver_info is for the exceptional + * devices requiring it anyway, allowing them to be supported without + * forcing the performance penalty on all the sane devices. + */ +static const struct driver_info cdc_mbim_info_zlp = { + .description = "CDC MBIM", + .flags = FLAG_NO_SETINT | FLAG_MULTI_PACKET | FLAG_WWAN | FLAG_SEND_ZLP, + .bind = cdc_mbim_bind, + .unbind = cdc_mbim_unbind, + .manage_power = cdc_mbim_manage_power, + .rx_fixup = cdc_mbim_rx_fixup, + .tx_fixup = cdc_mbim_tx_fixup, +}; + static const struct usb_device_id mbim_devs[] = { /* This duplicate NCM entry is intentional. MBIM devices can * be disguised as NCM by default, and this is necessary to @@ -385,6 +400,10 @@ static const struct usb_device_id mbim_devs[] = { { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE), .driver_info = (unsigned long)&cdc_mbim_info, }, + /* Sierra Wireless MC7710 need ZLPs */ + { USB_DEVICE_AND_INTERFACE_INFO(0x1199, 0x68a2, USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE), + .driver_info = (unsigned long)&cdc_mbim_info_zlp, + }, { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_MBIM, USB_CDC_PROTO_NONE), .driver_info = (unsigned long)&cdc_mbim_info, }, diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 016aa6fe6acb..b5ad7eadc4fa 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -435,6 +435,13 @@ advance: len -= temp; } + /* some buggy devices have an IAD but no CDC Union */ + if (!ctx->union_desc && intf->intf_assoc && intf->intf_assoc->bInterfaceCount == 2) { + ctx->control = intf; + ctx->data = usb_ifnum_to_if(dev->udev, intf->cur_altsetting->desc.bInterfaceNumber + 1); + dev_dbg(&intf->dev, "CDC Union missing - got slave from IAD\n"); + } + /* check if we got everything */ if ((ctx->control == NULL) || (ctx->data == NULL) || ((!ctx->mbim_desc) && ((ctx->ether_desc == NULL) || (ctx->control != intf)))) @@ -497,7 +504,8 @@ advance: error2: usb_set_intfdata(ctx->control, NULL); usb_set_intfdata(ctx->data, NULL); - usb_driver_release_interface(driver, ctx->data); + if (ctx->data != ctx->control) + usb_driver_release_interface(driver, ctx->data); error: cdc_ncm_free((struct cdc_ncm_ctx *)dev->data[0]); dev->data[0] = 0; @@ -1155,6 +1163,20 @@ static const struct driver_info wwan_info = { .tx_fixup = cdc_ncm_tx_fixup, }; +/* Same as wwan_info, but with FLAG_NOARP */ +static const struct driver_info wwan_noarp_info = { + .description = "Mobile Broadband Network Device (NO ARP)", + .flags = FLAG_POINTTOPOINT | FLAG_NO_SETINT | FLAG_MULTI_PACKET + | FLAG_WWAN | FLAG_NOARP, + .bind = cdc_ncm_bind, + .unbind = cdc_ncm_unbind, + .check_connect = cdc_ncm_check_connect, + .manage_power = usbnet_manage_power, + .status = cdc_ncm_status, + .rx_fixup = cdc_ncm_rx_fixup, + .tx_fixup = cdc_ncm_tx_fixup, +}; + static const struct usb_device_id cdc_devs[] = { /* Ericsson MBM devices like F5521gw */ { .match_flags = USB_DEVICE_ID_MATCH_INT_INFO @@ -1194,6 +1216,13 @@ static const struct usb_device_id cdc_devs[] = { .driver_info = (unsigned long)&wwan_info, }, + /* Infineon(now Intel) HSPA Modem platform */ + { USB_DEVICE_AND_INTERFACE_INFO(0x1519, 0x0443, + USB_CLASS_COMM, + USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE), + .driver_info = (unsigned long)&wwan_noarp_info, + }, + /* Generic CDC-NCM devices */ { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE), diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c index 0794004fd9d8..174e5ecea4cc 100644 --- a/drivers/net/usb/dm9601.c +++ b/drivers/net/usb/dm9601.c @@ -45,6 +45,12 @@ #define DM_MCAST_ADDR 0x16 /* 8 bytes */ #define DM_GPR_CTRL 0x1e #define DM_GPR_DATA 0x1f +#define DM_CHIP_ID 0x2c +#define DM_MODE_CTRL 0x91 /* only on dm9620 */ + +/* chip id values */ +#define ID_DM9601 0 +#define ID_DM9620 1 #define DM_MAX_MCAST 64 #define DM_MCAST_SIZE 8 @@ -53,7 +59,6 @@ #define DM_RX_OVERHEAD 7 /* 3 byte header + 4 byte crc tail */ #define DM_TIMEOUT 1000 - static int dm_read(struct usbnet *dev, u8 reg, u16 length, void *data) { int err; @@ -84,32 +89,23 @@ static int dm_write(struct usbnet *dev, u8 reg, u16 length, void *data) static int dm_write_reg(struct usbnet *dev, u8 reg, u8 value) { - return usbnet_write_cmd(dev, DM_WRITE_REGS, + return usbnet_write_cmd(dev, DM_WRITE_REG, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, value, reg, NULL, 0); } -static void dm_write_async_helper(struct usbnet *dev, u8 reg, u8 value, - u16 length, void *data) +static void dm_write_async(struct usbnet *dev, u8 reg, u16 length, void *data) { usbnet_write_cmd_async(dev, DM_WRITE_REGS, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - value, reg, data, length); -} - -static void dm_write_async(struct usbnet *dev, u8 reg, u16 length, void *data) -{ - netdev_dbg(dev->net, "dm_write_async() reg=0x%02x length=%d\n", reg, length); - - dm_write_async_helper(dev, reg, 0, length, data); + 0, reg, data, length); } static void dm_write_reg_async(struct usbnet *dev, u8 reg, u8 value) { - netdev_dbg(dev->net, "dm_write_reg_async() reg=0x%02x value=0x%02x\n", - reg, value); - - dm_write_async_helper(dev, reg, value, 0, NULL); + usbnet_write_cmd_async(dev, DM_WRITE_REG, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + value, reg, NULL, 0); } static int dm_read_shared_word(struct usbnet *dev, int phy, u8 reg, __le16 *value) @@ -358,7 +354,7 @@ static const struct net_device_ops dm9601_netdev_ops = { static int dm9601_bind(struct usbnet *dev, struct usb_interface *intf) { int ret; - u8 mac[ETH_ALEN]; + u8 mac[ETH_ALEN], id; ret = usbnet_get_endpoints(dev, intf); if (ret) @@ -399,6 +395,24 @@ static int dm9601_bind(struct usbnet *dev, struct usb_interface *intf) __dm9601_set_mac_address(dev); } + if (dm_read_reg(dev, DM_CHIP_ID, &id) < 0) { + netdev_err(dev->net, "Error reading chip ID\n"); + ret = -ENODEV; + goto out; + } + + /* put dm9620 devices in dm9601 mode */ + if (id == ID_DM9620) { + u8 mode; + + if (dm_read_reg(dev, DM_MODE_CTRL, &mode) < 0) { + netdev_err(dev->net, "Error reading MODE_CTRL\n"); + ret = -ENODEV; + goto out; + } + dm_write_reg(dev, DM_MODE_CTRL, mode & 0x7f); + } + /* power up phy */ dm_write_reg(dev, DM_GPR_CTRL, 1); dm_write_reg(dev, DM_GPR_DATA, 0); @@ -581,6 +595,10 @@ static const struct usb_device_id products[] = { USB_DEVICE(0x0a46, 0x9000), /* DM9000E */ .driver_info = (unsigned long)&dm9601_info, }, + { + USB_DEVICE(0x0a46, 0x9620), /* DM9620 USB to Fast Ethernet Adapter */ + .driver_info = (unsigned long)&dm9601_info, + }, {}, // END }; diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 6a1ca500e612..575a5839ee34 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -433,6 +433,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x19d2, 0x0199, 1)}, /* ZTE MF820S */ {QMI_FIXED_INTF(0x19d2, 0x0200, 1)}, {QMI_FIXED_INTF(0x19d2, 0x0257, 3)}, /* ZTE MF821 */ + {QMI_FIXED_INTF(0x19d2, 0x0265, 4)}, /* ONDA MT8205 4G LTE */ {QMI_FIXED_INTF(0x19d2, 0x0284, 4)}, /* ZTE MF880 */ {QMI_FIXED_INTF(0x19d2, 0x0326, 4)}, /* ZTE MF821D */ {QMI_FIXED_INTF(0x19d2, 0x1008, 4)}, /* ZTE (Vodafone) K3570-Z */ @@ -459,6 +460,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x1199, 0x68a2, 19)}, /* Sierra Wireless MC7710 in QMI mode */ {QMI_FIXED_INTF(0x1199, 0x901c, 8)}, /* Sierra Wireless EM7700 */ {QMI_FIXED_INTF(0x1bbb, 0x011e, 4)}, /* Telekom Speedstick LTE II (Alcatel One Touch L100V LTE) */ + {QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */ /* 4. Gobi 1000 devices */ {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 3d4bf01641b4..f34b2ebee815 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -1448,6 +1448,10 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod) if ((dev->driver_info->flags & FLAG_WWAN) != 0) strcpy(net->name, "wwan%d"); + /* devices that cannot do ARP */ + if ((dev->driver_info->flags & FLAG_NOARP) != 0) + net->flags |= IFF_NOARP; + /* maybe the remote can't receive an Ethernet MTU */ if (net->mtu > (dev->hard_mtu - net->hard_header_len)) net->mtu = dev->hard_mtu - net->hard_header_len; diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 58914c8ea68f..eda2042a6466 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -26,6 +26,7 @@ #include <linux/scatterlist.h> #include <linux/if_vlan.h> #include <linux/slab.h> +#include <linux/cpu.h> static int napi_weight = 128; module_param(napi_weight, int, 0444); @@ -123,6 +124,12 @@ struct virtnet_info { /* Does the affinity hint is set for virtqueues? */ bool affinity_hint_set; + + /* Per-cpu variable to show the mapping from CPU to virtqueue */ + int __percpu *vq_index; + + /* CPU hot plug notifier */ + struct notifier_block nb; }; struct skb_vnet_hdr { @@ -1030,32 +1037,75 @@ static int virtnet_vlan_rx_kill_vid(struct net_device *dev, u16 vid) return 0; } -static void virtnet_set_affinity(struct virtnet_info *vi, bool set) +static void virtnet_clean_affinity(struct virtnet_info *vi, long hcpu) { int i; + int cpu; + + if (vi->affinity_hint_set) { + for (i = 0; i < vi->max_queue_pairs; i++) { + virtqueue_set_affinity(vi->rq[i].vq, -1); + virtqueue_set_affinity(vi->sq[i].vq, -1); + } + + vi->affinity_hint_set = false; + } + + i = 0; + for_each_online_cpu(cpu) { + if (cpu == hcpu) { + *per_cpu_ptr(vi->vq_index, cpu) = -1; + } else { + *per_cpu_ptr(vi->vq_index, cpu) = + ++i % vi->curr_queue_pairs; + } + } +} + +static void virtnet_set_affinity(struct virtnet_info *vi) +{ + int i; + int cpu; /* In multiqueue mode, when the number of cpu is equal to the number of * queue pairs, we let the queue pairs to be private to one cpu by * setting the affinity hint to eliminate the contention. */ - if ((vi->curr_queue_pairs == 1 || - vi->max_queue_pairs != num_online_cpus()) && set) { - if (vi->affinity_hint_set) - set = false; - else - return; + if (vi->curr_queue_pairs == 1 || + vi->max_queue_pairs != num_online_cpus()) { + virtnet_clean_affinity(vi, -1); + return; } - for (i = 0; i < vi->max_queue_pairs; i++) { - int cpu = set ? i : -1; + i = 0; + for_each_online_cpu(cpu) { virtqueue_set_affinity(vi->rq[i].vq, cpu); virtqueue_set_affinity(vi->sq[i].vq, cpu); + *per_cpu_ptr(vi->vq_index, cpu) = i; + i++; } - if (set) - vi->affinity_hint_set = true; - else - vi->affinity_hint_set = false; + vi->affinity_hint_set = true; +} + +static int virtnet_cpu_callback(struct notifier_block *nfb, + unsigned long action, void *hcpu) +{ + struct virtnet_info *vi = container_of(nfb, struct virtnet_info, nb); + + switch(action & ~CPU_TASKS_FROZEN) { + case CPU_ONLINE: + case CPU_DOWN_FAILED: + case CPU_DEAD: + virtnet_set_affinity(vi); + break; + case CPU_DOWN_PREPARE: + virtnet_clean_affinity(vi, (long)hcpu); + break; + default: + break; + } + return NOTIFY_OK; } static void virtnet_get_ringparam(struct net_device *dev, @@ -1099,13 +1149,15 @@ static int virtnet_set_channels(struct net_device *dev, if (queue_pairs > vi->max_queue_pairs) return -EINVAL; + get_online_cpus(); err = virtnet_set_queues(vi, queue_pairs); if (!err) { netif_set_real_num_tx_queues(dev, queue_pairs); netif_set_real_num_rx_queues(dev, queue_pairs); - virtnet_set_affinity(vi, true); + virtnet_set_affinity(vi); } + put_online_cpus(); return err; } @@ -1144,12 +1196,19 @@ static int virtnet_change_mtu(struct net_device *dev, int new_mtu) /* To avoid contending a lock hold by a vcpu who would exit to host, select the * txq based on the processor id. - * TODO: handle cpu hotplug. */ static u16 virtnet_select_queue(struct net_device *dev, struct sk_buff *skb) { - int txq = skb_rx_queue_recorded(skb) ? skb_get_rx_queue(skb) : - smp_processor_id(); + int txq; + struct virtnet_info *vi = netdev_priv(dev); + + if (skb_rx_queue_recorded(skb)) { + txq = skb_get_rx_queue(skb); + } else { + txq = *__this_cpu_ptr(vi->vq_index); + if (txq == -1) + txq = 0; + } while (unlikely(txq >= dev->real_num_tx_queues)) txq -= dev->real_num_tx_queues; @@ -1265,7 +1324,7 @@ static void virtnet_del_vqs(struct virtnet_info *vi) { struct virtio_device *vdev = vi->vdev; - virtnet_set_affinity(vi, false); + virtnet_clean_affinity(vi, -1); vdev->config->del_vqs(vdev); @@ -1388,7 +1447,10 @@ static int init_vqs(struct virtnet_info *vi) if (ret) goto err_free; - virtnet_set_affinity(vi, true); + get_online_cpus(); + virtnet_set_affinity(vi); + put_online_cpus(); + return 0; err_free: @@ -1470,6 +1532,10 @@ static int virtnet_probe(struct virtio_device *vdev) if (vi->stats == NULL) goto free; + vi->vq_index = alloc_percpu(int); + if (vi->vq_index == NULL) + goto free_stats; + mutex_init(&vi->config_lock); vi->config_enable = true; INIT_WORK(&vi->config_work, virtnet_config_changed_work); @@ -1493,7 +1559,7 @@ static int virtnet_probe(struct virtio_device *vdev) /* Allocate/initialize the rx/tx queues, and invoke find_vqs */ err = init_vqs(vi); if (err) - goto free_stats; + goto free_index; netif_set_real_num_tx_queues(dev, 1); netif_set_real_num_rx_queues(dev, 1); @@ -1516,6 +1582,13 @@ static int virtnet_probe(struct virtio_device *vdev) } } + vi->nb.notifier_call = &virtnet_cpu_callback; + err = register_hotcpu_notifier(&vi->nb); + if (err) { + pr_debug("virtio_net: registering cpu notifier failed\n"); + goto free_recv_bufs; + } + /* Assume link up if device can't report link status, otherwise get link status from config. */ if (virtio_has_feature(vi->vdev, VIRTIO_NET_F_STATUS)) { @@ -1537,6 +1610,8 @@ free_recv_bufs: free_vqs: cancel_delayed_work_sync(&vi->refill); virtnet_del_vqs(vi); +free_index: + free_percpu(vi->vq_index); free_stats: free_percpu(vi->stats); free: @@ -1560,6 +1635,8 @@ static void virtnet_remove(struct virtio_device *vdev) { struct virtnet_info *vi = vdev->priv; + unregister_hotcpu_notifier(&vi->nb); + /* Prevent config work handler from accessing the device. */ mutex_lock(&vi->config_lock); vi->config_enable = false; @@ -1571,6 +1648,7 @@ static void virtnet_remove(struct virtio_device *vdev) flush_work(&vi->config_work); + free_percpu(vi->vq_index); free_percpu(vi->stats); free_netdev(vi->dev); } diff --git a/drivers/pci/hotplug/pciehp.h b/drivers/pci/hotplug/pciehp.h index 26ffd3e3fb74..2c113de94323 100644 --- a/drivers/pci/hotplug/pciehp.h +++ b/drivers/pci/hotplug/pciehp.h @@ -44,7 +44,6 @@ extern bool pciehp_poll_mode; extern int pciehp_poll_time; extern bool pciehp_debug; extern bool pciehp_force; -extern struct workqueue_struct *pciehp_wq; #define dbg(format, arg...) \ do { \ @@ -78,6 +77,7 @@ struct slot { struct hotplug_slot *hotplug_slot; struct delayed_work work; /* work for button event */ struct mutex lock; + struct workqueue_struct *wq; }; struct event_info { diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c index 916bf4f53aba..939bd1d4b5b1 100644 --- a/drivers/pci/hotplug/pciehp_core.c +++ b/drivers/pci/hotplug/pciehp_core.c @@ -42,7 +42,6 @@ bool pciehp_debug; bool pciehp_poll_mode; int pciehp_poll_time; bool pciehp_force; -struct workqueue_struct *pciehp_wq; #define DRIVER_VERSION "0.4" #define DRIVER_AUTHOR "Dan Zink <dan.zink@compaq.com>, Greg Kroah-Hartman <greg@kroah.com>, Dely Sy <dely.l.sy@intel.com>" @@ -340,18 +339,13 @@ static int __init pcied_init(void) { int retval = 0; - pciehp_wq = alloc_workqueue("pciehp", 0, 0); - if (!pciehp_wq) - return -ENOMEM; - pciehp_firmware_init(); retval = pcie_port_service_register(&hpdriver_portdrv); dbg("pcie_port_service_register = %d\n", retval); info(DRIVER_DESC " version: " DRIVER_VERSION "\n"); - if (retval) { - destroy_workqueue(pciehp_wq); + if (retval) dbg("Failure to register service\n"); - } + return retval; } @@ -359,7 +353,6 @@ static void __exit pcied_cleanup(void) { dbg("unload_pciehpd()\n"); pcie_port_service_unregister(&hpdriver_portdrv); - destroy_workqueue(pciehp_wq); info(DRIVER_DESC " version: " DRIVER_VERSION " unloaded\n"); } diff --git a/drivers/pci/hotplug/pciehp_ctrl.c b/drivers/pci/hotplug/pciehp_ctrl.c index 27f44295a657..38f018679175 100644 --- a/drivers/pci/hotplug/pciehp_ctrl.c +++ b/drivers/pci/hotplug/pciehp_ctrl.c @@ -49,7 +49,7 @@ static int queue_interrupt_event(struct slot *p_slot, u32 event_type) info->p_slot = p_slot; INIT_WORK(&info->work, interrupt_event_handler); - queue_work(pciehp_wq, &info->work); + queue_work(p_slot->wq, &info->work); return 0; } @@ -344,7 +344,7 @@ void pciehp_queue_pushbutton_work(struct work_struct *work) kfree(info); goto out; } - queue_work(pciehp_wq, &info->work); + queue_work(p_slot->wq, &info->work); out: mutex_unlock(&p_slot->lock); } @@ -377,7 +377,7 @@ static void handle_button_press_event(struct slot *p_slot) if (ATTN_LED(ctrl)) pciehp_set_attention_status(p_slot, 0); - queue_delayed_work(pciehp_wq, &p_slot->work, 5*HZ); + queue_delayed_work(p_slot->wq, &p_slot->work, 5*HZ); break; case BLINKINGOFF_STATE: case BLINKINGON_STATE: @@ -439,7 +439,7 @@ static void handle_surprise_event(struct slot *p_slot) else p_slot->state = POWERON_STATE; - queue_work(pciehp_wq, &info->work); + queue_work(p_slot->wq, &info->work); } static void interrupt_event_handler(struct work_struct *work) diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c index 13b2eaf7ba43..5127f3f41821 100644 --- a/drivers/pci/hotplug/pciehp_hpc.c +++ b/drivers/pci/hotplug/pciehp_hpc.c @@ -773,23 +773,32 @@ static void pcie_shutdown_notification(struct controller *ctrl) static int pcie_init_slot(struct controller *ctrl) { struct slot *slot; + char name[32]; slot = kzalloc(sizeof(*slot), GFP_KERNEL); if (!slot) return -ENOMEM; + snprintf(name, sizeof(name), "pciehp-%u", PSN(ctrl)); + slot->wq = alloc_workqueue(name, 0, 0); + if (!slot->wq) + goto abort; + slot->ctrl = ctrl; mutex_init(&slot->lock); INIT_DELAYED_WORK(&slot->work, pciehp_queue_pushbutton_work); ctrl->slot = slot; return 0; +abort: + kfree(slot); + return -ENOMEM; } static void pcie_cleanup_slot(struct controller *ctrl) { struct slot *slot = ctrl->slot; cancel_delayed_work(&slot->work); - flush_workqueue(pciehp_wq); + destroy_workqueue(slot->wq); kfree(slot); } diff --git a/drivers/pci/hotplug/shpchp.h b/drivers/pci/hotplug/shpchp.h index ca64932e658b..b849f995075a 100644 --- a/drivers/pci/hotplug/shpchp.h +++ b/drivers/pci/hotplug/shpchp.h @@ -46,8 +46,6 @@ extern bool shpchp_poll_mode; extern int shpchp_poll_time; extern bool shpchp_debug; -extern struct workqueue_struct *shpchp_wq; -extern struct workqueue_struct *shpchp_ordered_wq; #define dbg(format, arg...) \ do { \ @@ -91,6 +89,7 @@ struct slot { struct list_head slot_list; struct delayed_work work; /* work for button event */ struct mutex lock; + struct workqueue_struct *wq; u8 hp_slot; }; diff --git a/drivers/pci/hotplug/shpchp_core.c b/drivers/pci/hotplug/shpchp_core.c index b6de307248e4..3100c52c837c 100644 --- a/drivers/pci/hotplug/shpchp_core.c +++ b/drivers/pci/hotplug/shpchp_core.c @@ -39,8 +39,6 @@ bool shpchp_debug; bool shpchp_poll_mode; int shpchp_poll_time; -struct workqueue_struct *shpchp_wq; -struct workqueue_struct *shpchp_ordered_wq; #define DRIVER_VERSION "0.4" #define DRIVER_AUTHOR "Dan Zink <dan.zink@compaq.com>, Greg Kroah-Hartman <greg@kroah.com>, Dely Sy <dely.l.sy@intel.com>" @@ -129,6 +127,14 @@ static int init_slots(struct controller *ctrl) slot->device = ctrl->slot_device_offset + i; slot->hpc_ops = ctrl->hpc_ops; slot->number = ctrl->first_slot + (ctrl->slot_num_inc * i); + + snprintf(name, sizeof(name), "shpchp-%d", slot->number); + slot->wq = alloc_workqueue(name, 0, 0); + if (!slot->wq) { + retval = -ENOMEM; + goto error_info; + } + mutex_init(&slot->lock); INIT_DELAYED_WORK(&slot->work, shpchp_queue_pushbutton_work); @@ -148,7 +154,7 @@ static int init_slots(struct controller *ctrl) if (retval) { ctrl_err(ctrl, "pci_hp_register failed with error %d\n", retval); - goto error_info; + goto error_slotwq; } get_power_status(hotplug_slot, &info->power_status); @@ -160,6 +166,8 @@ static int init_slots(struct controller *ctrl) } return 0; +error_slotwq: + destroy_workqueue(slot->wq); error_info: kfree(info); error_hpslot: @@ -180,8 +188,7 @@ void cleanup_slots(struct controller *ctrl) slot = list_entry(tmp, struct slot, slot_list); list_del(&slot->slot_list); cancel_delayed_work(&slot->work); - flush_workqueue(shpchp_wq); - flush_workqueue(shpchp_ordered_wq); + destroy_workqueue(slot->wq); pci_hp_deregister(slot->hotplug_slot); } } @@ -364,25 +371,12 @@ static struct pci_driver shpc_driver = { static int __init shpcd_init(void) { - int retval = 0; - - shpchp_wq = alloc_ordered_workqueue("shpchp", 0); - if (!shpchp_wq) - return -ENOMEM; - - shpchp_ordered_wq = alloc_ordered_workqueue("shpchp_ordered", 0); - if (!shpchp_ordered_wq) { - destroy_workqueue(shpchp_wq); - return -ENOMEM; - } + int retval; retval = pci_register_driver(&shpc_driver); dbg("%s: pci_register_driver = %d\n", __func__, retval); info(DRIVER_DESC " version: " DRIVER_VERSION "\n"); - if (retval) { - destroy_workqueue(shpchp_ordered_wq); - destroy_workqueue(shpchp_wq); - } + return retval; } @@ -390,8 +384,6 @@ static void __exit shpcd_cleanup(void) { dbg("unload_shpchpd()\n"); pci_unregister_driver(&shpc_driver); - destroy_workqueue(shpchp_ordered_wq); - destroy_workqueue(shpchp_wq); info(DRIVER_DESC " version: " DRIVER_VERSION " unloaded\n"); } diff --git a/drivers/pci/hotplug/shpchp_ctrl.c b/drivers/pci/hotplug/shpchp_ctrl.c index f9b5a52e4115..58499277903a 100644 --- a/drivers/pci/hotplug/shpchp_ctrl.c +++ b/drivers/pci/hotplug/shpchp_ctrl.c @@ -51,7 +51,7 @@ static int queue_interrupt_event(struct slot *p_slot, u32 event_type) info->p_slot = p_slot; INIT_WORK(&info->work, interrupt_event_handler); - queue_work(shpchp_wq, &info->work); + queue_work(p_slot->wq, &info->work); return 0; } @@ -453,7 +453,7 @@ void shpchp_queue_pushbutton_work(struct work_struct *work) kfree(info); goto out; } - queue_work(shpchp_ordered_wq, &info->work); + queue_work(p_slot->wq, &info->work); out: mutex_unlock(&p_slot->lock); } @@ -501,7 +501,7 @@ static void handle_button_press_event(struct slot *p_slot) p_slot->hpc_ops->green_led_blink(p_slot); p_slot->hpc_ops->set_attention_status(p_slot, 0); - queue_delayed_work(shpchp_wq, &p_slot->work, 5*HZ); + queue_delayed_work(p_slot->wq, &p_slot->work, 5*HZ); break; case BLINKINGOFF_STATE: case BLINKINGON_STATE: diff --git a/drivers/pci/pcie/Kconfig b/drivers/pci/pcie/Kconfig index 6c8bc5809787..fde4a32a0295 100644 --- a/drivers/pci/pcie/Kconfig +++ b/drivers/pci/pcie/Kconfig @@ -82,4 +82,4 @@ endchoice config PCIE_PME def_bool y - depends on PCIEPORTBUS && PM_RUNTIME && EXPERIMENTAL && ACPI + depends on PCIEPORTBUS && PM_RUNTIME && ACPI diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c index 421bbc5fee32..564d97f94b6c 100644 --- a/drivers/pci/pcie/aer/aerdrv_core.c +++ b/drivers/pci/pcie/aer/aerdrv_core.c @@ -630,6 +630,7 @@ static void aer_recover_work_func(struct work_struct *work) continue; } do_recovery(pdev, entry.severity); + pci_dev_put(pdev); } } #endif diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index b52630b8eada..8474b6a4fc9b 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c @@ -771,6 +771,9 @@ void pcie_clear_aspm(struct pci_bus *bus) { struct pci_dev *child; + if (aspm_force) + return; + /* * Clear any ASPM setup that the firmware has carried out on this bus */ diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 0f65b246cc0c..278584302f2d 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1885,9 +1885,15 @@ int regulator_can_change_voltage(struct regulator *regulator) struct regulator_dev *rdev = regulator->rdev; if (rdev->constraints && - rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE && - (rdev->desc->n_voltages - rdev->desc->linear_min_sel) > 1) - return 1; + (rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE)) { + if (rdev->desc->n_voltages - rdev->desc->linear_min_sel > 1) + return 1; + + if (rdev->desc->continuous_voltage_range && + rdev->constraints->min_uV && rdev->constraints->max_uV && + rdev->constraints->min_uV != rdev->constraints->max_uV) + return 1; + } return 0; } @@ -3315,7 +3321,8 @@ static void rdev_init_debugfs(struct regulator_dev *rdev) * @config: runtime configuration for regulator * * Called by regulator drivers to register a regulator. - * Returns 0 on success. + * Returns a valid pointer to struct regulator_dev on success + * or an ERR_PTR() on error. */ struct regulator_dev * regulator_register(const struct regulator_desc *regulator_desc, diff --git a/drivers/regulator/max8997.c b/drivers/regulator/max8997.c index df0eafb0dc7e..02be7fcae32f 100644 --- a/drivers/regulator/max8997.c +++ b/drivers/regulator/max8997.c @@ -71,26 +71,26 @@ struct voltage_map_desc { int step; }; -/* Voltage maps in mV */ +/* Voltage maps in uV */ static const struct voltage_map_desc ldo_voltage_map_desc = { - .min = 800, .max = 3950, .step = 50, + .min = 800000, .max = 3950000, .step = 50000, }; /* LDO1 ~ 18, 21 all */ static const struct voltage_map_desc buck1245_voltage_map_desc = { - .min = 650, .max = 2225, .step = 25, + .min = 650000, .max = 2225000, .step = 25000, }; /* Buck1, 2, 4, 5 */ static const struct voltage_map_desc buck37_voltage_map_desc = { - .min = 750, .max = 3900, .step = 50, + .min = 750000, .max = 3900000, .step = 50000, }; /* Buck3, 7 */ -/* current map in mA */ +/* current map in uA */ static const struct voltage_map_desc charger_current_map_desc = { - .min = 200, .max = 950, .step = 50, + .min = 200000, .max = 950000, .step = 50000, }; static const struct voltage_map_desc topoff_current_map_desc = { - .min = 50, .max = 200, .step = 10, + .min = 50000, .max = 200000, .step = 10000, }; static const struct voltage_map_desc *reg_voltage_map[] = { @@ -194,7 +194,7 @@ static int max8997_list_voltage(struct regulator_dev *rdev, if (val > desc->max) return -EINVAL; - return val * 1000; + return val; } static int max8997_get_enable_register(struct regulator_dev *rdev, @@ -485,7 +485,6 @@ static int max8997_set_voltage_ldobuck(struct regulator_dev *rdev, { struct max8997_data *max8997 = rdev_get_drvdata(rdev); struct i2c_client *i2c = max8997->iodev->i2c; - int min_vol = min_uV / 1000, max_vol = max_uV / 1000; const struct voltage_map_desc *desc; int rid = rdev_get_id(rdev); int i, reg, shift, mask, ret; @@ -509,7 +508,7 @@ static int max8997_set_voltage_ldobuck(struct regulator_dev *rdev, desc = reg_voltage_map[rid]; - i = max8997_get_voltage_proper_val(desc, min_vol, max_vol); + i = max8997_get_voltage_proper_val(desc, min_uV, max_uV); if (i < 0) return i; @@ -557,7 +556,7 @@ static int max8997_set_voltage_ldobuck_time_sel(struct regulator_dev *rdev, case MAX8997_BUCK4: case MAX8997_BUCK5: return DIV_ROUND_UP(desc->step * (new_selector - old_selector), - max8997->ramp_delay); + max8997->ramp_delay * 1000); } return 0; @@ -656,7 +655,6 @@ static int max8997_set_voltage_buck(struct regulator_dev *rdev, const struct voltage_map_desc *desc; int new_val, new_idx, damage, tmp_val, tmp_idx, tmp_dmg; bool gpio_dvs_mode = false; - int min_vol = min_uV / 1000, max_vol = max_uV / 1000; if (rid < MAX8997_BUCK1 || rid > MAX8997_BUCK7) return -EINVAL; @@ -681,7 +679,7 @@ static int max8997_set_voltage_buck(struct regulator_dev *rdev, selector); desc = reg_voltage_map[rid]; - new_val = max8997_get_voltage_proper_val(desc, min_vol, max_vol); + new_val = max8997_get_voltage_proper_val(desc, min_uV, max_uV); if (new_val < 0) return new_val; @@ -1123,8 +1121,8 @@ static int max8997_pmic_probe(struct platform_device *pdev) max8997->buck1_vol[i] = ret = max8997_get_voltage_proper_val( &buck1245_voltage_map_desc, - pdata->buck1_voltage[i] / 1000, - pdata->buck1_voltage[i] / 1000 + + pdata->buck1_voltage[i], + pdata->buck1_voltage[i] + buck1245_voltage_map_desc.step); if (ret < 0) goto err_out; @@ -1132,8 +1130,8 @@ static int max8997_pmic_probe(struct platform_device *pdev) max8997->buck2_vol[i] = ret = max8997_get_voltage_proper_val( &buck1245_voltage_map_desc, - pdata->buck2_voltage[i] / 1000, - pdata->buck2_voltage[i] / 1000 + + pdata->buck2_voltage[i], + pdata->buck2_voltage[i] + buck1245_voltage_map_desc.step); if (ret < 0) goto err_out; @@ -1141,8 +1139,8 @@ static int max8997_pmic_probe(struct platform_device *pdev) max8997->buck5_vol[i] = ret = max8997_get_voltage_proper_val( &buck1245_voltage_map_desc, - pdata->buck5_voltage[i] / 1000, - pdata->buck5_voltage[i] / 1000 + + pdata->buck5_voltage[i], + pdata->buck5_voltage[i] + buck1245_voltage_map_desc.step); if (ret < 0) goto err_out; diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c index b821d08eb64a..1f0df4046b86 100644 --- a/drivers/regulator/max8998.c +++ b/drivers/regulator/max8998.c @@ -51,39 +51,39 @@ struct voltage_map_desc { int step; }; -/* Voltage maps */ +/* Voltage maps in uV*/ static const struct voltage_map_desc ldo23_voltage_map_desc = { - .min = 800, .step = 50, .max = 1300, + .min = 800000, .step = 50000, .max = 1300000, }; static const struct voltage_map_desc ldo456711_voltage_map_desc = { - .min = 1600, .step = 100, .max = 3600, + .min = 1600000, .step = 100000, .max = 3600000, }; static const struct voltage_map_desc ldo8_voltage_map_desc = { - .min = 3000, .step = 100, .max = 3600, + .min = 3000000, .step = 100000, .max = 3600000, }; static const struct voltage_map_desc ldo9_voltage_map_desc = { - .min = 2800, .step = 100, .max = 3100, + .min = 2800000, .step = 100000, .max = 3100000, }; static const struct voltage_map_desc ldo10_voltage_map_desc = { - .min = 950, .step = 50, .max = 1300, + .min = 95000, .step = 50000, .max = 1300000, }; static const struct voltage_map_desc ldo1213_voltage_map_desc = { - .min = 800, .step = 100, .max = 3300, + .min = 800000, .step = 100000, .max = 3300000, }; static const struct voltage_map_desc ldo1415_voltage_map_desc = { - .min = 1200, .step = 100, .max = 3300, + .min = 1200000, .step = 100000, .max = 3300000, }; static const struct voltage_map_desc ldo1617_voltage_map_desc = { - .min = 1600, .step = 100, .max = 3600, + .min = 1600000, .step = 100000, .max = 3600000, }; static const struct voltage_map_desc buck12_voltage_map_desc = { - .min = 750, .step = 25, .max = 1525, + .min = 750000, .step = 25000, .max = 1525000, }; static const struct voltage_map_desc buck3_voltage_map_desc = { - .min = 1600, .step = 100, .max = 3600, + .min = 1600000, .step = 100000, .max = 3600000, }; static const struct voltage_map_desc buck4_voltage_map_desc = { - .min = 800, .step = 100, .max = 2300, + .min = 800000, .step = 100000, .max = 2300000, }; static const struct voltage_map_desc *ldo_voltage_map[] = { @@ -445,9 +445,9 @@ static int max8998_set_voltage_buck_time_sel(struct regulator_dev *rdev, if (max8998->iodev->type == TYPE_MAX8998 && !(val & MAX8998_ENRAMP)) return 0; - difference = (new_selector - old_selector) * desc->step; + difference = (new_selector - old_selector) * desc->step / 1000; if (difference > 0) - return difference / ((val & 0x0f) + 1); + return DIV_ROUND_UP(difference, (val & 0x0f) + 1); return 0; } @@ -702,7 +702,7 @@ static int max8998_pmic_probe(struct platform_device *pdev) i = 0; while (buck12_voltage_map_desc.min + buck12_voltage_map_desc.step*i - < (pdata->buck1_voltage1 / 1000)) + < pdata->buck1_voltage1) i++; max8998->buck1_vol[0] = i; ret = max8998_write_reg(i2c, MAX8998_REG_BUCK1_VOLTAGE1, i); @@ -713,7 +713,7 @@ static int max8998_pmic_probe(struct platform_device *pdev) i = 0; while (buck12_voltage_map_desc.min + buck12_voltage_map_desc.step*i - < (pdata->buck1_voltage2 / 1000)) + < pdata->buck1_voltage2) i++; max8998->buck1_vol[1] = i; @@ -725,7 +725,7 @@ static int max8998_pmic_probe(struct platform_device *pdev) i = 0; while (buck12_voltage_map_desc.min + buck12_voltage_map_desc.step*i - < (pdata->buck1_voltage3 / 1000)) + < pdata->buck1_voltage3) i++; max8998->buck1_vol[2] = i; @@ -737,7 +737,7 @@ static int max8998_pmic_probe(struct platform_device *pdev) i = 0; while (buck12_voltage_map_desc.min + buck12_voltage_map_desc.step*i - < (pdata->buck1_voltage4 / 1000)) + < pdata->buck1_voltage4) i++; max8998->buck1_vol[3] = i; @@ -763,7 +763,7 @@ static int max8998_pmic_probe(struct platform_device *pdev) i = 0; while (buck12_voltage_map_desc.min + buck12_voltage_map_desc.step*i - < (pdata->buck2_voltage1 / 1000)) + < pdata->buck2_voltage1) i++; max8998->buck2_vol[0] = i; ret = max8998_write_reg(i2c, MAX8998_REG_BUCK2_VOLTAGE1, i); @@ -774,7 +774,7 @@ static int max8998_pmic_probe(struct platform_device *pdev) i = 0; while (buck12_voltage_map_desc.min + buck12_voltage_map_desc.step*i - < (pdata->buck2_voltage2 / 1000)) + < pdata->buck2_voltage2) i++; max8998->buck2_vol[1] = i; ret = max8998_write_reg(i2c, MAX8998_REG_BUCK2_VOLTAGE2, i); @@ -792,8 +792,8 @@ static int max8998_pmic_probe(struct platform_device *pdev) int count = (desc->max - desc->min) / desc->step + 1; regulators[index].n_voltages = count; - regulators[index].min_uV = desc->min * 1000; - regulators[index].uV_step = desc->step * 1000; + regulators[index].min_uV = desc->min; + regulators[index].uV_step = desc->step; } config.dev = max8998->dev; diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c index 9f991f2c525a..33b65c9ad5d5 100644 --- a/drivers/regulator/s5m8767.c +++ b/drivers/regulator/s5m8767.c @@ -214,7 +214,7 @@ static int s5m8767_reg_is_enabled(struct regulator_dev *rdev) struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev); int ret, reg; int mask = 0xc0, enable_ctrl; - u8 val; + unsigned int val; ret = s5m8767_get_register(rdev, ®, &enable_ctrl); if (ret == -EINVAL) @@ -306,7 +306,7 @@ static int s5m8767_get_voltage_sel(struct regulator_dev *rdev) struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev); int reg, mask, ret; int reg_id = rdev_get_id(rdev); - u8 val; + unsigned int val; ret = s5m8767_get_voltage_register(rdev, ®); if (ret) diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index 68e80e2734a4..10729bbceced 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -283,7 +283,7 @@ struct chsc_sei_nt2_area { u8 ccdf[PAGE_SIZE - 24 - 56]; /* content-code dependent field */ } __packed; -#define CHSC_SEI_NT0 0ULL +#define CHSC_SEI_NT0 (1ULL << 63) #define CHSC_SEI_NT2 (1ULL << 61) struct chsc_sei { @@ -291,7 +291,8 @@ struct chsc_sei { u32 reserved1; u64 ntsm; /* notification type mask */ struct chsc_header response; - u32 reserved2; + u32 :24; + u8 nt; union { struct chsc_sei_nt0_area nt0_area; struct chsc_sei_nt2_area nt2_area; @@ -496,17 +497,17 @@ static int __chsc_process_crw(struct chsc_sei *sei, u64 ntsm) css_schedule_eval_all(); } - switch (sei->ntsm) { - case CHSC_SEI_NT0: + switch (sei->nt) { + case 0: chsc_process_sei_nt0(&sei->u.nt0_area); - return 1; - case CHSC_SEI_NT2: + break; + case 2: chsc_process_sei_nt2(&sei->u.nt2_area); - return 1; + break; default: - CIO_CRW_EVENT(2, "chsc: unhandled nt (nt=%08Lx)\n", - sei->ntsm); - return 0; + CIO_CRW_EVENT(2, "chsc: unhandled nt=%d\n", + sei->nt); + break; } } else { CIO_CRW_EVENT(2, "chsc: sei failed (rc=%04x)\n", @@ -537,15 +538,7 @@ static void chsc_process_crw(struct crw *crw0, struct crw *crw1, int overflow) sei = sei_page; CIO_TRACE_EVENT(2, "prcss"); - - /* - * The ntsm does not allow to select NT0 and NT2 together. We need to - * first check for NT2, than additionally for NT0... - */ -#ifdef CONFIG_PCI - if (!__chsc_process_crw(sei, CHSC_SEI_NT2)) -#endif - __chsc_process_crw(sei, CHSC_SEI_NT0); + __chsc_process_crw(sei, CHSC_SEI_NT0 | CHSC_SEI_NT2); } void chsc_chp_online(struct chp_id chpid) diff --git a/drivers/sh/clk/cpg.c b/drivers/sh/clk/cpg.c index 5aedcdf4ac5c..1ebe67cd1833 100644 --- a/drivers/sh/clk/cpg.c +++ b/drivers/sh/clk/cpg.c @@ -126,6 +126,12 @@ static int sh_clk_div_set_rate(struct clk *clk, unsigned long rate) static int sh_clk_div_enable(struct clk *clk) { + if (clk->div_mask == SH_CLK_DIV6_MSK) { + int ret = sh_clk_div_set_rate(clk, clk->rate); + if (ret < 0) + return ret; + } + sh_clk_write(sh_clk_read(clk) & ~CPG_CKSTP_BIT, clk); return 0; } diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c index fb31b457a56a..c5ceb9d90ea8 100644 --- a/drivers/staging/iio/adc/mxs-lradc.c +++ b/drivers/staging/iio/adc/mxs-lradc.c @@ -239,7 +239,7 @@ static irqreturn_t mxs_lradc_trigger_handler(int irq, void *p) struct mxs_lradc *lradc = iio_priv(iio); const uint32_t chan_value = LRADC_CH_ACCUMULATE | ((LRADC_DELAY_TIMER_LOOP - 1) << LRADC_CH_NUM_SAMPLES_OFFSET); - int i, j = 0; + unsigned int i, j = 0; for_each_set_bit(i, iio->active_scan_mask, iio->masklength) { lradc->buffer[j] = readl(lradc->base + LRADC_CH(j)); diff --git a/drivers/staging/iio/gyro/adis16080_core.c b/drivers/staging/iio/gyro/adis16080_core.c index 3525a68d6a75..41d7350d030f 100644 --- a/drivers/staging/iio/gyro/adis16080_core.c +++ b/drivers/staging/iio/gyro/adis16080_core.c @@ -69,7 +69,7 @@ static int adis16080_spi_read(struct iio_dev *indio_dev, ret = spi_read(st->us, st->buf, 2); if (ret == 0) - *val = ((st->buf[0] & 0xF) << 8) | st->buf[1]; + *val = sign_extend32(((st->buf[0] & 0xF) << 8) | st->buf[1], 11); mutex_unlock(&st->buf_lock); return ret; diff --git a/drivers/staging/sb105x/sb_pci_mp.c b/drivers/staging/sb105x/sb_pci_mp.c index 131afd0c460c..9464f3874346 100644 --- a/drivers/staging/sb105x/sb_pci_mp.c +++ b/drivers/staging/sb105x/sb_pci_mp.c @@ -3054,7 +3054,7 @@ static int init_mp_dev(struct pci_dev *pcidev, mppcibrd_t brd) sbdev->nr_ports = ((portnum_hex/16)*10) + (portnum_hex % 16); } break; -#ifdef CONFIG_PARPORT +#ifdef CONFIG_PARPORT_PC case PCI_DEVICE_ID_MP2S1P : sbdev->nr_ports = 2; diff --git a/drivers/staging/vt6656/bssdb.h b/drivers/staging/vt6656/bssdb.h index 6b2ec390e775..806cbf72fb59 100644 --- a/drivers/staging/vt6656/bssdb.h +++ b/drivers/staging/vt6656/bssdb.h @@ -90,7 +90,6 @@ typedef struct tagSRSNCapObject { } SRSNCapObject, *PSRSNCapObject; // BSS info(AP) -#pragma pack(1) typedef struct tagKnownBSS { // BSS info BOOL bActive; diff --git a/drivers/staging/vt6656/int.h b/drivers/staging/vt6656/int.h index 5d8faf9f96ec..e0d2b07ba608 100644 --- a/drivers/staging/vt6656/int.h +++ b/drivers/staging/vt6656/int.h @@ -34,7 +34,6 @@ #include "device.h" /*--------------------- Export Definitions -------------------------*/ -#pragma pack(1) typedef struct tagSINTData { BYTE byTSR0; BYTE byPkt0; diff --git a/drivers/staging/vt6656/iocmd.h b/drivers/staging/vt6656/iocmd.h index 22710cef751d..ae6e2d237b20 100644 --- a/drivers/staging/vt6656/iocmd.h +++ b/drivers/staging/vt6656/iocmd.h @@ -95,13 +95,12 @@ typedef enum tagWZONETYPE { // Ioctl interface structure // Command structure // -#pragma pack(1) typedef struct tagSCmdRequest { u8 name[16]; void *data; u16 wResult; u16 wCmdCode; -} SCmdRequest, *PSCmdRequest; +} __packed SCmdRequest, *PSCmdRequest; // // Scan @@ -111,7 +110,7 @@ typedef struct tagSCmdScan { u8 ssid[SSID_MAXLEN + 2]; -} SCmdScan, *PSCmdScan; +} __packed SCmdScan, *PSCmdScan; // // BSS Join @@ -126,7 +125,7 @@ typedef struct tagSCmdBSSJoin { BOOL bPSEnable; BOOL bShareKeyAuth; -} SCmdBSSJoin, *PSCmdBSSJoin; +} __packed SCmdBSSJoin, *PSCmdBSSJoin; // // Zonetype Setting @@ -137,7 +136,7 @@ typedef struct tagSCmdZoneTypeSet { BOOL bWrite; WZONETYPE ZoneType; -} SCmdZoneTypeSet, *PSCmdZoneTypeSet; +} __packed SCmdZoneTypeSet, *PSCmdZoneTypeSet; typedef struct tagSWPAResult { char ifname[100]; @@ -145,7 +144,7 @@ typedef struct tagSWPAResult { u8 key_mgmt; u8 eap_type; BOOL authenticated; -} SWPAResult, *PSWPAResult; +} __packed SWPAResult, *PSWPAResult; typedef struct tagSCmdStartAP { @@ -157,7 +156,7 @@ typedef struct tagSCmdStartAP { BOOL bShareKeyAuth; u8 byBasicRate; -} SCmdStartAP, *PSCmdStartAP; +} __packed SCmdStartAP, *PSCmdStartAP; typedef struct tagSCmdSetWEP { @@ -167,7 +166,7 @@ typedef struct tagSCmdSetWEP { BOOL bWepKeyAvailable[WEP_NKEYS]; u32 auWepKeyLength[WEP_NKEYS]; -} SCmdSetWEP, *PSCmdSetWEP; +} __packed SCmdSetWEP, *PSCmdSetWEP; typedef struct tagSBSSIDItem { @@ -180,14 +179,14 @@ typedef struct tagSBSSIDItem { BOOL bWEPOn; u32 uRSSI; -} SBSSIDItem; +} __packed SBSSIDItem; typedef struct tagSBSSIDList { u32 uItem; SBSSIDItem sBSSIDList[0]; -} SBSSIDList, *PSBSSIDList; +} __packed SBSSIDList, *PSBSSIDList; typedef struct tagSNodeItem { @@ -208,7 +207,7 @@ typedef struct tagSNodeItem { u32 uTxAttempts; u16 wFailureRatio; -} SNodeItem; +} __packed SNodeItem; typedef struct tagSNodeList { @@ -216,7 +215,7 @@ typedef struct tagSNodeList { u32 uItem; SNodeItem sNodeList[0]; -} SNodeList, *PSNodeList; +} __packed SNodeList, *PSNodeList; typedef struct tagSCmdLinkStatus { @@ -229,7 +228,7 @@ typedef struct tagSCmdLinkStatus { u32 uChannel; u32 uLinkRate; -} SCmdLinkStatus, *PSCmdLinkStatus; +} __packed SCmdLinkStatus, *PSCmdLinkStatus; // // 802.11 counter @@ -247,7 +246,7 @@ typedef struct tagSDot11MIBCount { u32 ReceivedFragmentCount; u32 MulticastReceivedFrameCount; u32 FCSErrorCount; -} SDot11MIBCount, *PSDot11MIBCount; +} __packed SDot11MIBCount, *PSDot11MIBCount; @@ -355,13 +354,13 @@ typedef struct tagSStatMIBCount { u32 ullTxBroadcastBytes[2]; u32 ullTxMulticastBytes[2]; u32 ullTxDirectedBytes[2]; -} SStatMIBCount, *PSStatMIBCount; +} __packed SStatMIBCount, *PSStatMIBCount; typedef struct tagSCmdValue { u32 dwValue; -} SCmdValue, *PSCmdValue; +} __packed SCmdValue, *PSCmdValue; // // hostapd & viawget ioctl related @@ -431,7 +430,7 @@ struct viawget_hostapd_param { u8 ssid[32]; } scan_req; } u; -}; +} __packed; /*--------------------- Export Classes ----------------------------*/ diff --git a/drivers/staging/vt6656/iowpa.h b/drivers/staging/vt6656/iowpa.h index 959c8868f6e2..2522ddec718d 100644 --- a/drivers/staging/vt6656/iowpa.h +++ b/drivers/staging/vt6656/iowpa.h @@ -67,12 +67,11 @@ enum { -#pragma pack(1) typedef struct viawget_wpa_header { u8 type; u16 req_ie_len; u16 resp_ie_len; -} viawget_wpa_header; +} __packed viawget_wpa_header; struct viawget_wpa_param { u32 cmd; @@ -113,9 +112,8 @@ struct viawget_wpa_param { u8 *buf; } scan_results; } u; -}; +} __packed; -#pragma pack(1) struct viawget_scan_result { u8 bssid[6]; u8 ssid[32]; @@ -130,7 +128,7 @@ struct viawget_scan_result { int noise; int level; int maxrate; -}; +} __packed; /*--------------------- Export Classes ----------------------------*/ diff --git a/drivers/staging/wlan-ng/prism2mgmt.c b/drivers/staging/wlan-ng/prism2mgmt.c index 4efa9bc0fcf0..89bfd858bb28 100644 --- a/drivers/staging/wlan-ng/prism2mgmt.c +++ b/drivers/staging/wlan-ng/prism2mgmt.c @@ -406,7 +406,7 @@ int prism2mgmt_scan_results(wlandevice_t *wlandev, void *msgp) /* SSID */ req->ssid.status = P80211ENUM_msgitem_status_data_ok; req->ssid.data.len = le16_to_cpu(item->ssid.len); - req->ssid.data.len = min_t(u16, req->ssid.data.len, WLAN_BSSID_LEN); + req->ssid.data.len = min_t(u16, req->ssid.data.len, WLAN_SSID_MAXLEN); memcpy(req->ssid.data.data, item->ssid.data, req->ssid.data.len); /* supported rates */ diff --git a/drivers/target/iscsi/iscsi_target_erl2.c b/drivers/target/iscsi/iscsi_target_erl2.c index 9ac4c151eae4..ba6091bf93fc 100644 --- a/drivers/target/iscsi/iscsi_target_erl2.c +++ b/drivers/target/iscsi/iscsi_target_erl2.c @@ -372,7 +372,7 @@ int iscsit_prepare_cmds_for_realligance(struct iscsi_conn *conn) * made generic here. */ if (!(cmd->cmd_flags & ICF_OOO_CMDSN) && !cmd->immediate_cmd && - iscsi_sna_gte(cmd->stat_sn, conn->sess->exp_cmd_sn)) { + iscsi_sna_gte(cmd->cmd_sn, conn->sess->exp_cmd_sn)) { list_del(&cmd->i_conn_node); spin_unlock_bh(&conn->cmd_lock); iscsit_free_cmd(cmd); diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c index 85140f7dde1e..7d4ec02e29a9 100644 --- a/drivers/target/target_core_alua.c +++ b/drivers/target/target_core_alua.c @@ -212,7 +212,7 @@ target_emulate_set_target_port_groups(struct se_cmd *cmd) struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem, *l_tg_pt_gp_mem; unsigned char *buf; unsigned char *ptr; - sense_reason_t rc; + sense_reason_t rc = TCM_NO_SENSE; u32 len = 4; /* Skip over RESERVED area in header */ int alua_access_state, primary = 0; u16 tg_pt_id, rtpi; diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index e35dbf85841f..8e0290b38e43 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -2053,7 +2053,7 @@ core_scsi3_emulate_pro_register(struct se_cmd *cmd, u64 res_key, u64 sa_res_key, /* Used for APTPL metadata w/ UNREGISTER */ unsigned char *pr_aptpl_buf = NULL; unsigned char isid_buf[PR_REG_ISID_LEN], *isid_ptr = NULL; - sense_reason_t ret; + sense_reason_t ret = TCM_NO_SENSE; int pr_holder = 0, type; if (!se_sess || !se_lun) { diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index c23c76ccef65..bd587b70661a 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -541,9 +541,6 @@ static void transport_lun_remove_cmd(struct se_cmd *cmd) void transport_cmd_finish_abort(struct se_cmd *cmd, int remove) { - if (!(cmd->se_cmd_flags & SCF_SCSI_TMR_CDB)) - transport_lun_remove_cmd(cmd); - if (transport_cmd_check_stop_to_fabric(cmd)) return; if (remove) @@ -1396,6 +1393,8 @@ static void target_complete_tmr_failure(struct work_struct *work) se_cmd->se_tmr_req->response = TMR_LUN_DOES_NOT_EXIST; se_cmd->se_tfo->queue_tm_rsp(se_cmd); + + transport_cmd_check_stop_to_fabric(se_cmd); } /** @@ -1688,6 +1687,7 @@ void target_execute_cmd(struct se_cmd *cmd) } cmd->t_state = TRANSPORT_PROCESSING; + cmd->transport_state |= CMD_T_ACTIVE; spin_unlock_irq(&cmd->t_state_lock); if (!target_handle_task_attr(cmd)) @@ -2597,6 +2597,16 @@ transport_send_check_condition_and_sense(struct se_cmd *cmd, * SENSE KEY values from include/scsi/scsi.h */ switch (reason) { + case TCM_NO_SENSE: + /* CURRENT ERROR */ + buffer[0] = 0x70; + buffer[SPC_ADD_SENSE_LEN_OFFSET] = 10; + /* Not Ready */ + buffer[SPC_SENSE_KEY_OFFSET] = NOT_READY; + /* NO ADDITIONAL SENSE INFORMATION */ + buffer[SPC_ASC_KEY_OFFSET] = 0; + buffer[SPC_ASCQ_KEY_OFFSET] = 0; + break; case TCM_NON_EXISTENT_LUN: /* CURRENT ERROR */ buffer[0] = 0x70; @@ -2743,7 +2753,7 @@ transport_send_check_condition_and_sense(struct se_cmd *cmd, /* ILLEGAL REQUEST */ buffer[SPC_SENSE_KEY_OFFSET] = ILLEGAL_REQUEST; /* LOGICAL UNIT COMMUNICATION FAILURE */ - buffer[SPC_ASC_KEY_OFFSET] = 0x80; + buffer[SPC_ASC_KEY_OFFSET] = 0x08; break; } /* @@ -2804,6 +2814,8 @@ void transport_send_task_abort(struct se_cmd *cmd) } cmd->scsi_status = SAM_STAT_TASK_ABORTED; + transport_lun_remove_cmd(cmd); + pr_debug("Setting SAM_STAT_TASK_ABORTED status for CDB: 0x%02x," " ITT: 0x%08x\n", cmd->t_task_cdb[0], cmd->se_tfo->get_task_tag(cmd)); diff --git a/drivers/target/tcm_fc/tfc_sess.c b/drivers/target/tcm_fc/tfc_sess.c index 12d6fa21e5e1..6659dd36e806 100644 --- a/drivers/target/tcm_fc/tfc_sess.c +++ b/drivers/target/tcm_fc/tfc_sess.c @@ -355,11 +355,11 @@ static int ft_prli_locked(struct fc_rport_priv *rdata, u32 spp_len, tport = ft_tport_create(rdata->local_port); if (!tport) - return 0; /* not a target for this local port */ + goto not_target; /* not a target for this local port */ acl = ft_acl_get(tport->tpg, rdata); if (!acl) - return 0; + goto not_target; /* no target for this remote */ if (!rspp) goto fill; @@ -396,12 +396,18 @@ static int ft_prli_locked(struct fc_rport_priv *rdata, u32 spp_len, /* * OR in our service parameters with other provider (initiator), if any. - * TBD XXX - indicate RETRY capability? */ fill: fcp_parm = ntohl(spp->spp_params); + fcp_parm &= ~FCP_SPPF_RETRY; spp->spp_params = htonl(fcp_parm | FCP_SPPF_TARG_FCN); return FC_SPP_RESP_ACK; + +not_target: + fcp_parm = ntohl(spp->spp_params); + fcp_parm &= ~FCP_SPPF_TARG_FCN; + spp->spp_params = htonl(fcp_parm); + return 0; } /** diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c index be6a373601b7..79ff3a5e925d 100644 --- a/drivers/tty/pty.c +++ b/drivers/tty/pty.c @@ -441,6 +441,8 @@ static int pty_bsd_ioctl(struct tty_struct *tty, return pty_get_pktmode(tty, (int __user *)arg); case TIOCSIG: /* Send signal to other side of pty */ return pty_signal(tty, (int) arg); + case TIOCGPTN: /* TTY returns ENOTTY, but glibc expects EINVAL here */ + return -EINVAL; } return -ENOIOCTLCMD; } diff --git a/drivers/tty/serial/8250/8250.c b/drivers/tty/serial/8250/8250.c index d085e3a8ec06..f9320437a649 100644 --- a/drivers/tty/serial/8250/8250.c +++ b/drivers/tty/serial/8250/8250.c @@ -300,6 +300,12 @@ static const struct serial8250_config uart_config[] = { UART_FCR_R_TRIG_00 | UART_FCR_T_TRIG_00, .flags = UART_CAP_FIFO, }, + [PORT_BRCM_TRUMANAGE] = { + .name = "TruManage", + .fifo_size = 1, + .tx_loadsz = 1024, + .flags = UART_CAP_HFIFO, + }, [PORT_8250_CIR] = { .name = "CIR port" } @@ -1490,6 +1496,11 @@ void serial8250_tx_chars(struct uart_8250_port *up) port->icount.tx++; if (uart_circ_empty(xmit)) break; + if (up->capabilities & UART_CAP_HFIFO) { + if ((serial_port_in(port, UART_LSR) & BOTH_EMPTY) != + BOTH_EMPTY) + break; + } } while (--count > 0); if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS) diff --git a/drivers/tty/serial/8250/8250.h b/drivers/tty/serial/8250/8250.h index 3b4ea84898c2..12caa1292b75 100644 --- a/drivers/tty/serial/8250/8250.h +++ b/drivers/tty/serial/8250/8250.h @@ -40,6 +40,7 @@ struct serial8250_config { #define UART_CAP_AFE (1 << 11) /* MCR-based hw flow control */ #define UART_CAP_UUE (1 << 12) /* UART needs IER bit 6 set (Xscale) */ #define UART_CAP_RTOIE (1 << 13) /* UART needs IER bit 4 set (Xscale, Tegra) */ +#define UART_CAP_HFIFO (1 << 14) /* UART has a "hidden" FIFO */ #define UART_BUG_QUOT (1 << 0) /* UART has buggy quot LSB */ #define UART_BUG_TXEN (1 << 1) /* UART has buggy TX IIR status */ diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index 1d0dba2d562d..096d2ef48b32 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -79,7 +79,7 @@ static int dw8250_handle_irq(struct uart_port *p) } else if ((iir & UART_IIR_BUSY) == UART_IIR_BUSY) { /* Clear the USR and write the LCR again. */ (void)p->serial_in(p, UART_USR); - p->serial_out(p, d->last_lcr, UART_LCR); + p->serial_out(p, UART_LCR, d->last_lcr); return 1; } diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c index 26b9dc012ed0..a27a98e1b066 100644 --- a/drivers/tty/serial/8250/8250_pci.c +++ b/drivers/tty/serial/8250/8250_pci.c @@ -1085,6 +1085,18 @@ pci_omegapci_setup(struct serial_private *priv, return setup_port(priv, port, 2, idx * 8, 0); } +static int +pci_brcm_trumanage_setup(struct serial_private *priv, + const struct pciserial_board *board, + struct uart_8250_port *port, int idx) +{ + int ret = pci_default_setup(priv, board, port, idx); + + port->port.type = PORT_BRCM_TRUMANAGE; + port->port.flags = (port->port.flags | UPF_FIXED_PORT | UPF_FIXED_TYPE); + return ret; +} + static int skip_tx_en_setup(struct serial_private *priv, const struct pciserial_board *board, struct uart_8250_port *port, int idx) @@ -1301,9 +1313,10 @@ pci_wch_ch353_setup(struct serial_private *priv, #define PCI_VENDOR_ID_AGESTAR 0x5372 #define PCI_DEVICE_ID_AGESTAR_9375 0x6872 #define PCI_VENDOR_ID_ASIX 0x9710 -#define PCI_DEVICE_ID_COMMTECH_4222PCIE 0x0019 #define PCI_DEVICE_ID_COMMTECH_4224PCIE 0x0020 #define PCI_DEVICE_ID_COMMTECH_4228PCIE 0x0021 +#define PCI_DEVICE_ID_COMMTECH_4222PCIE 0x0022 +#define PCI_DEVICE_ID_BROADCOM_TRUMANAGE 0x160a /* Unknown vendors/cards - this should not be in linux/pci_ids.h */ @@ -1954,6 +1967,17 @@ static struct pci_serial_quirk pci_serial_quirks[] __refdata = { .setup = pci_xr17v35x_setup, }, /* + * Broadcom TruManage (NetXtreme) + */ + { + .vendor = PCI_VENDOR_ID_BROADCOM, + .device = PCI_DEVICE_ID_BROADCOM_TRUMANAGE, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .setup = pci_brcm_trumanage_setup, + }, + + /* * Default "match everything" terminator entry */ { @@ -2148,6 +2172,7 @@ enum pci_board_num_t { pbn_ce4100_1_115200, pbn_omegapci, pbn_NETMOS9900_2s_115200, + pbn_brcm_trumanage, }; /* @@ -2246,7 +2271,7 @@ static struct pciserial_board pci_boards[] = { [pbn_b0_8_1152000_200] = { .flags = FL_BASE0, - .num_ports = 2, + .num_ports = 8, .base_baud = 1152000, .uart_offset = 0x200, }, @@ -2892,6 +2917,12 @@ static struct pciserial_board pci_boards[] = { .num_ports = 2, .base_baud = 115200, }, + [pbn_brcm_trumanage] = { + .flags = FL_BASE0, + .num_ports = 1, + .reg_shift = 2, + .base_baud = 115200, + }, }; static const struct pci_device_id blacklist[] = { @@ -4471,6 +4502,13 @@ static struct pci_device_id serial_pci_tbl[] = { pbn_omegapci }, /* + * Broadcom TruManage + */ + { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_BROADCOM_TRUMANAGE, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + pbn_brcm_trumanage }, + + /* * AgeStar as-prs2-009 */ { PCI_VENDOR_ID_AGESTAR, PCI_DEVICE_ID_AGESTAR_9375, diff --git a/drivers/tty/serial/ifx6x60.c b/drivers/tty/serial/ifx6x60.c index 675d94ab0aff..8cb6d8d66a13 100644 --- a/drivers/tty/serial/ifx6x60.c +++ b/drivers/tty/serial/ifx6x60.c @@ -637,6 +637,7 @@ static void ifx_port_shutdown(struct tty_port *port) clear_bit(IFX_SPI_STATE_IO_AVAILABLE, &ifx_dev->flags); mrdy_set_low(ifx_dev); + del_timer(&ifx_dev->spi_timer); clear_bit(IFX_SPI_STATE_TIMER_PENDING, &ifx_dev->flags); tasklet_kill(&ifx_dev->io_work_tasklet); } @@ -810,7 +811,8 @@ static void ifx_spi_io(unsigned long data) ifx_dev->spi_xfer.cs_change = 0; ifx_dev->spi_xfer.speed_hz = ifx_dev->spi_dev->max_speed_hz; /* ifx_dev->spi_xfer.speed_hz = 390625; */ - ifx_dev->spi_xfer.bits_per_word = spi_bpw; + ifx_dev->spi_xfer.bits_per_word = + ifx_dev->spi_dev->bits_per_word; ifx_dev->spi_xfer.tx_buf = ifx_dev->tx_buffer; ifx_dev->spi_xfer.rx_buf = ifx_dev->rx_buffer; diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c index 6db23b035efe..e55615eb34ad 100644 --- a/drivers/tty/serial/mxs-auart.c +++ b/drivers/tty/serial/mxs-auart.c @@ -253,7 +253,7 @@ static void mxs_auart_tx_chars(struct mxs_auart_port *s) struct circ_buf *xmit = &s->port.state->xmit; if (auart_dma_enabled(s)) { - int i = 0; + u32 i = 0; int size; void *buffer = s->tx_dma_buf; @@ -412,10 +412,12 @@ static void mxs_auart_set_mctrl(struct uart_port *u, unsigned mctrl) u32 ctrl = readl(u->membase + AUART_CTRL2); - ctrl &= ~AUART_CTRL2_RTSEN; + ctrl &= ~(AUART_CTRL2_RTSEN | AUART_CTRL2_RTS); if (mctrl & TIOCM_RTS) { if (tty_port_cts_enabled(&u->state->port)) ctrl |= AUART_CTRL2_RTSEN; + else + ctrl |= AUART_CTRL2_RTS; } s->ctrl = mctrl; diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c index 12e5249d053e..e514b3a4dc57 100644 --- a/drivers/tty/serial/samsung.c +++ b/drivers/tty/serial/samsung.c @@ -1006,7 +1006,6 @@ static void s3c24xx_serial_resetport(struct uart_port *port, ucon &= ucon_mask; wr_regl(port, S3C2410_UCON, ucon | cfg->ucon); - wr_regl(port, S3C2410_ULCON, cfg->ulcon); /* reset both fifos */ wr_regl(port, S3C2410_UFCON, cfg->ufcon | S3C2410_UFCON_RESETBOTH); diff --git a/drivers/tty/serial/vt8500_serial.c b/drivers/tty/serial/vt8500_serial.c index 8fd181436a6b..d5ed9f613005 100644 --- a/drivers/tty/serial/vt8500_serial.c +++ b/drivers/tty/serial/vt8500_serial.c @@ -604,7 +604,7 @@ static int vt8500_serial_probe(struct platform_device *pdev) vt8500_port->uart.flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF; vt8500_port->clk = of_clk_get(pdev->dev.of_node, 0); - if (vt8500_port->clk) { + if (!IS_ERR(vt8500_port->clk)) { vt8500_port->uart.uartclk = clk_get_rate(vt8500_port->clk); } else { /* use the default of 24Mhz if not specified and warn */ diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 2e43b332aae8..2fdd767f8fe8 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1605,6 +1605,7 @@ static int dwc3_gadget_init_endpoints(struct dwc3 *dwc) if (epnum == 0 || epnum == 1) { dep->endpoint.maxpacket = 512; + dep->endpoint.maxburst = 1; dep->endpoint.ops = &dwc3_gadget_ep0_ops; if (!epnum) dwc->gadget.ep0 = &dep->endpoint; diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index 4a6961c517f2..8c2f25121149 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -1153,15 +1153,15 @@ static int ffs_fs_parse_opts(struct ffs_sb_fill_data *data, char *opts) pr_err("%s: unmapped value: %lu\n", opts, value); return -EINVAL; } - } - else if (!memcmp(opts, "gid", 3)) + } else if (!memcmp(opts, "gid", 3)) { data->perms.gid = make_kgid(current_user_ns(), value); if (!gid_valid(data->perms.gid)) { pr_err("%s: unmapped value: %lu\n", opts, value); return -EINVAL; } - else + } else { goto invalid; + } break; default: diff --git a/drivers/usb/gadget/fsl_mxc_udc.c b/drivers/usb/gadget/fsl_mxc_udc.c index 1b0f086426bd..d3bd7b095ba3 100644 --- a/drivers/usb/gadget/fsl_mxc_udc.c +++ b/drivers/usb/gadget/fsl_mxc_udc.c @@ -18,14 +18,13 @@ #include <linux/platform_device.h> #include <linux/io.h> -#include <mach/hardware.h> - static struct clk *mxc_ahb_clk; static struct clk *mxc_per_clk; static struct clk *mxc_ipg_clk; /* workaround ENGcm09152 for i.MX35 */ -#define USBPHYCTRL_OTGBASE_OFFSET 0x608 +#define MX35_USBPHYCTRL_OFFSET 0x600 +#define USBPHYCTRL_OTGBASE_OFFSET 0x8 #define USBPHYCTRL_EVDO (1 << 23) int fsl_udc_clk_init(struct platform_device *pdev) @@ -59,7 +58,7 @@ int fsl_udc_clk_init(struct platform_device *pdev) clk_prepare_enable(mxc_per_clk); /* make sure USB_CLK is running at 60 MHz +/- 1000 Hz */ - if (!cpu_is_mx51()) { + if (!strcmp(pdev->id_entry->name, "imx-udc-mx27")) { freq = clk_get_rate(mxc_per_clk); if (pdata->phy_mode != FSL_USB2_PHY_ULPI && (freq < 59999000 || freq > 60001000)) { @@ -79,27 +78,40 @@ eclkrate: return ret; } -void fsl_udc_clk_finalize(struct platform_device *pdev) +int fsl_udc_clk_finalize(struct platform_device *pdev) { struct fsl_usb2_platform_data *pdata = pdev->dev.platform_data; - if (cpu_is_mx35()) { - unsigned int v; + int ret = 0; - /* workaround ENGcm09152 for i.MX35 */ - if (pdata->workaround & FLS_USB2_WORKAROUND_ENGCM09152) { - v = readl(MX35_IO_ADDRESS(MX35_USB_BASE_ADDR + - USBPHYCTRL_OTGBASE_OFFSET)); - writel(v | USBPHYCTRL_EVDO, - MX35_IO_ADDRESS(MX35_USB_BASE_ADDR + - USBPHYCTRL_OTGBASE_OFFSET)); + /* workaround ENGcm09152 for i.MX35 */ + if (pdata->workaround & FLS_USB2_WORKAROUND_ENGCM09152) { + unsigned int v; + struct resource *res = platform_get_resource + (pdev, IORESOURCE_MEM, 0); + void __iomem *phy_regs = ioremap(res->start + + MX35_USBPHYCTRL_OFFSET, 512); + if (!phy_regs) { + dev_err(&pdev->dev, "ioremap for phy address fails\n"); + ret = -EINVAL; + goto ioremap_err; } + + v = readl(phy_regs + USBPHYCTRL_OTGBASE_OFFSET); + writel(v | USBPHYCTRL_EVDO, + phy_regs + USBPHYCTRL_OTGBASE_OFFSET); + + iounmap(phy_regs); } + +ioremap_err: /* ULPI transceivers don't need usbpll */ if (pdata->phy_mode == FSL_USB2_PHY_ULPI) { clk_disable_unprepare(mxc_per_clk); mxc_per_clk = NULL; } + + return ret; } void fsl_udc_clk_release(void) diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c index c19f7f13790b..667275cb7bad 100644 --- a/drivers/usb/gadget/fsl_udc_core.c +++ b/drivers/usb/gadget/fsl_udc_core.c @@ -41,6 +41,7 @@ #include <linux/fsl_devices.h> #include <linux/dmapool.h> #include <linux/delay.h> +#include <linux/of_device.h> #include <asm/byteorder.h> #include <asm/io.h> @@ -2438,11 +2439,6 @@ static int __init fsl_udc_probe(struct platform_device *pdev) unsigned int i; u32 dccparams; - if (strcmp(pdev->name, driver_name)) { - VDBG("Wrong device"); - return -ENODEV; - } - udc_controller = kzalloc(sizeof(struct fsl_udc), GFP_KERNEL); if (udc_controller == NULL) { ERR("malloc udc failed\n"); @@ -2547,7 +2543,9 @@ static int __init fsl_udc_probe(struct platform_device *pdev) dr_controller_setup(udc_controller); } - fsl_udc_clk_finalize(pdev); + ret = fsl_udc_clk_finalize(pdev); + if (ret) + goto err_free_irq; /* Setup gadget structure */ udc_controller->gadget.ops = &fsl_gadget_ops; @@ -2756,22 +2754,32 @@ static int fsl_udc_otg_resume(struct device *dev) return fsl_udc_resume(NULL); } - /*------------------------------------------------------------------------- Register entry point for the peripheral controller driver --------------------------------------------------------------------------*/ - +static const struct platform_device_id fsl_udc_devtype[] = { + { + .name = "imx-udc-mx27", + }, { + .name = "imx-udc-mx51", + }, { + /* sentinel */ + } +}; +MODULE_DEVICE_TABLE(platform, fsl_udc_devtype); static struct platform_driver udc_driver = { - .remove = __exit_p(fsl_udc_remove), + .remove = __exit_p(fsl_udc_remove), + /* Just for FSL i.mx SoC currently */ + .id_table = fsl_udc_devtype, /* these suspend and resume are not usb suspend and resume */ - .suspend = fsl_udc_suspend, - .resume = fsl_udc_resume, - .driver = { - .name = (char *)driver_name, - .owner = THIS_MODULE, - /* udc suspend/resume called from OTG driver */ - .suspend = fsl_udc_otg_suspend, - .resume = fsl_udc_otg_resume, + .suspend = fsl_udc_suspend, + .resume = fsl_udc_resume, + .driver = { + .name = (char *)driver_name, + .owner = THIS_MODULE, + /* udc suspend/resume called from OTG driver */ + .suspend = fsl_udc_otg_suspend, + .resume = fsl_udc_otg_resume, }, }; diff --git a/drivers/usb/gadget/fsl_usb2_udc.h b/drivers/usb/gadget/fsl_usb2_udc.h index f61a967f7082..c6703bb07b23 100644 --- a/drivers/usb/gadget/fsl_usb2_udc.h +++ b/drivers/usb/gadget/fsl_usb2_udc.h @@ -592,15 +592,16 @@ static inline struct ep_queue_head *get_qh_by_ep(struct fsl_ep *ep) struct platform_device; #ifdef CONFIG_ARCH_MXC int fsl_udc_clk_init(struct platform_device *pdev); -void fsl_udc_clk_finalize(struct platform_device *pdev); +int fsl_udc_clk_finalize(struct platform_device *pdev); void fsl_udc_clk_release(void); #else static inline int fsl_udc_clk_init(struct platform_device *pdev) { return 0; } -static inline void fsl_udc_clk_finalize(struct platform_device *pdev) +static inline int fsl_udc_clk_finalize(struct platform_device *pdev) { + return 0; } static inline void fsl_udc_clk_release(void) { diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index d6bb128ce21e..3a21c5d683c0 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -148,7 +148,7 @@ config USB_EHCI_FSL Variation of ARC USB block used in some Freescale chips. config USB_EHCI_MXC - bool "Support for Freescale i.MX on-chip EHCI USB controller" + tristate "Support for Freescale i.MX on-chip EHCI USB controller" depends on USB_EHCI_HCD && ARCH_MXC select USB_EHCI_ROOT_HUB_TT ---help--- diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index 1eb4c3006e9e..001fbff2fdef 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -26,6 +26,7 @@ obj-$(CONFIG_PCI) += pci-quirks.o obj-$(CONFIG_USB_EHCI_HCD) += ehci-hcd.o obj-$(CONFIG_USB_EHCI_PCI) += ehci-pci.o obj-$(CONFIG_USB_EHCI_HCD_PLATFORM) += ehci-platform.o +obj-$(CONFIG_USB_EHCI_MXC) += ehci-mxc.o obj-$(CONFIG_USB_OXU210HP_HCD) += oxu210hp-hcd.o obj-$(CONFIG_USB_ISP116X_HCD) += isp116x-hcd.o diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index c97503bb0b0e..09537b2f1002 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -74,10 +74,6 @@ static const char hcd_name [] = "ehci_hcd"; #undef VERBOSE_DEBUG #undef EHCI_URB_TRACE -#ifdef DEBUG -#define EHCI_STATS -#endif - /* magic numbers that can affect system performance */ #define EHCI_TUNE_CERR 3 /* 0-3 qtd retries; 0 == don't stop */ #define EHCI_TUNE_RL_HS 4 /* nak throttle; see 4.9 */ @@ -1250,11 +1246,6 @@ MODULE_LICENSE ("GPL"); #define PLATFORM_DRIVER ehci_fsl_driver #endif -#ifdef CONFIG_USB_EHCI_MXC -#include "ehci-mxc.c" -#define PLATFORM_DRIVER ehci_mxc_driver -#endif - #ifdef CONFIG_USB_EHCI_SH #include "ehci-sh.c" #define PLATFORM_DRIVER ehci_hcd_sh_driver @@ -1352,7 +1343,8 @@ MODULE_LICENSE ("GPL"); #if !IS_ENABLED(CONFIG_USB_EHCI_PCI) && \ !IS_ENABLED(CONFIG_USB_EHCI_HCD_PLATFORM) && \ - !defined(CONFIG_USB_CHIPIDEA_HOST) && \ + !IS_ENABLED(CONFIG_USB_CHIPIDEA_HOST) && \ + !IS_ENABLED(CONFIG_USB_EHCI_MXC) && \ !defined(PLATFORM_DRIVER) && \ !defined(PS3_SYSTEM_BUS_DRIVER) && \ !defined(OF_PLATFORM_DRIVER) && \ diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c index ec7f5d2c90de..dedb80bb8d40 100644 --- a/drivers/usb/host/ehci-mxc.c +++ b/drivers/usb/host/ehci-mxc.c @@ -17,75 +17,38 @@ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/io.h> #include <linux/platform_device.h> #include <linux/clk.h> #include <linux/delay.h> #include <linux/usb/otg.h> #include <linux/usb/ulpi.h> #include <linux/slab.h> +#include <linux/usb.h> +#include <linux/usb/hcd.h> #include <linux/platform_data/usb-ehci-mxc.h> #include <asm/mach-types.h> +#include "ehci.h" + +#define DRIVER_DESC "Freescale On-Chip EHCI Host driver" + +static const char hcd_name[] = "ehci-mxc"; + #define ULPI_VIEWPORT_OFFSET 0x170 struct ehci_mxc_priv { struct clk *usbclk, *ahbclk, *phyclk; - struct usb_hcd *hcd; }; -/* called during probe() after chip reset completes */ -static int ehci_mxc_setup(struct usb_hcd *hcd) -{ - hcd->has_tt = 1; - - return ehci_setup(hcd); -} +static struct hc_driver __read_mostly ehci_mxc_hc_driver; -static const struct hc_driver ehci_mxc_hc_driver = { - .description = hcd_name, - .product_desc = "Freescale On-Chip EHCI Host Controller", - .hcd_priv_size = sizeof(struct ehci_hcd), - - /* - * generic hardware linkage - */ - .irq = ehci_irq, - .flags = HCD_USB2 | HCD_MEMORY, - - /* - * basic lifecycle operations - */ - .reset = ehci_mxc_setup, - .start = ehci_run, - .stop = ehci_stop, - .shutdown = ehci_shutdown, - - /* - * managing i/o requests and associated device resources - */ - .urb_enqueue = ehci_urb_enqueue, - .urb_dequeue = ehci_urb_dequeue, - .endpoint_disable = ehci_endpoint_disable, - .endpoint_reset = ehci_endpoint_reset, - - /* - * scheduling support - */ - .get_frame_number = ehci_get_frame, - - /* - * root hub support - */ - .hub_status_data = ehci_hub_status_data, - .hub_control = ehci_hub_control, - .bus_suspend = ehci_bus_suspend, - .bus_resume = ehci_bus_resume, - .relinquish_port = ehci_relinquish_port, - .port_handed_over = ehci_port_handed_over, - - .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete, +static const struct ehci_driver_overrides ehci_mxc_overrides __initdata = { + .extra_priv_size = sizeof(struct ehci_mxc_priv), }; static int ehci_mxc_drv_probe(struct platform_device *pdev) @@ -112,12 +75,6 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev) if (!hcd) return -ENOMEM; - priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); - if (!priv) { - ret = -ENOMEM; - goto err_alloc; - } - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { dev_err(dev, "Found HC with no register addr. Check setup!\n"); @@ -135,6 +92,10 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev) goto err_alloc; } + hcd->has_tt = 1; + ehci = hcd_to_ehci(hcd); + priv = (struct ehci_mxc_priv *) ehci->priv; + /* enable clocks */ priv->usbclk = devm_clk_get(&pdev->dev, "ipg"); if (IS_ERR(priv->usbclk)) { @@ -169,8 +130,6 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev) mdelay(10); } - ehci = hcd_to_ehci(hcd); - /* EHCI registers start at offset 0x100 */ ehci->caps = hcd->regs + 0x100; ehci->regs = hcd->regs + 0x100 + @@ -198,8 +157,7 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev) } } - priv->hcd = hcd; - platform_set_drvdata(pdev, priv); + platform_set_drvdata(pdev, hcd); ret = usb_add_hcd(hcd, irq, IRQF_SHARED); if (ret) @@ -244,8 +202,11 @@ err_alloc: static int __exit ehci_mxc_drv_remove(struct platform_device *pdev) { struct mxc_usbh_platform_data *pdata = pdev->dev.platform_data; - struct ehci_mxc_priv *priv = platform_get_drvdata(pdev); - struct usb_hcd *hcd = priv->hcd; + struct usb_hcd *hcd = platform_get_drvdata(pdev); + struct ehci_hcd *ehci = hcd_to_ehci(hcd); + struct ehci_mxc_priv *priv = (struct ehci_mxc_priv *) ehci->priv; + + usb_remove_hcd(hcd); if (pdata && pdata->exit) pdata->exit(pdev); @@ -253,23 +214,20 @@ static int __exit ehci_mxc_drv_remove(struct platform_device *pdev) if (pdata->otg) usb_phy_shutdown(pdata->otg); - usb_remove_hcd(hcd); - usb_put_hcd(hcd); - platform_set_drvdata(pdev, NULL); - clk_disable_unprepare(priv->usbclk); clk_disable_unprepare(priv->ahbclk); if (priv->phyclk) clk_disable_unprepare(priv->phyclk); + usb_put_hcd(hcd); + platform_set_drvdata(pdev, NULL); return 0; } static void ehci_mxc_drv_shutdown(struct platform_device *pdev) { - struct ehci_mxc_priv *priv = platform_get_drvdata(pdev); - struct usb_hcd *hcd = priv->hcd; + struct usb_hcd *hcd = platform_get_drvdata(pdev); if (hcd->driver->shutdown) hcd->driver->shutdown(hcd); @@ -279,9 +237,31 @@ MODULE_ALIAS("platform:mxc-ehci"); static struct platform_driver ehci_mxc_driver = { .probe = ehci_mxc_drv_probe, - .remove = __exit_p(ehci_mxc_drv_remove), + .remove = ehci_mxc_drv_remove, .shutdown = ehci_mxc_drv_shutdown, .driver = { .name = "mxc-ehci", }, }; + +static int __init ehci_mxc_init(void) +{ + if (usb_disabled()) + return -ENODEV; + + pr_info("%s: " DRIVER_DESC "\n", hcd_name); + + ehci_init_driver(&ehci_mxc_hc_driver, &ehci_mxc_overrides); + return platform_driver_register(&ehci_mxc_driver); +} +module_init(ehci_mxc_init); + +static void __exit ehci_mxc_cleanup(void) +{ + platform_driver_unregister(&ehci_mxc_driver); +} +module_exit(ehci_mxc_cleanup); + +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_AUTHOR("Sascha Hauer"); +MODULE_LICENSE("GPL"); diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index 9dadc7118d68..36c3a8210595 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -38,6 +38,10 @@ typedef __u16 __bitwise __hc16; #endif /* statistics can be kept for tuning/monitoring */ +#ifdef DEBUG +#define EHCI_STATS +#endif + struct ehci_stats { /* irq usage */ unsigned long normal; @@ -221,6 +225,9 @@ struct ehci_hcd { /* one per controller */ #ifdef DEBUG struct dentry *debug_dir; #endif + + /* platform-specific data -- must come last */ + unsigned long priv[0] __aligned(sizeof(s64)); }; /* convert between an HCD pointer and the corresponding EHCI_HCD */ diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c index 4b9e9aba2665..4f64d24eebc8 100644 --- a/drivers/usb/host/uhci-hcd.c +++ b/drivers/usb/host/uhci-hcd.c @@ -447,6 +447,10 @@ static irqreturn_t uhci_irq(struct usb_hcd *hcd) return IRQ_NONE; uhci_writew(uhci, status, USBSTS); /* Clear it */ + spin_lock(&uhci->lock); + if (unlikely(!uhci->is_initialized)) /* not yet configured */ + goto done; + if (status & ~(USBSTS_USBINT | USBSTS_ERROR | USBSTS_RD)) { if (status & USBSTS_HSE) dev_err(uhci_dev(uhci), "host system error, " @@ -455,7 +459,6 @@ static irqreturn_t uhci_irq(struct usb_hcd *hcd) dev_err(uhci_dev(uhci), "host controller process " "error, something bad happened!\n"); if (status & USBSTS_HCH) { - spin_lock(&uhci->lock); if (uhci->rh_state >= UHCI_RH_RUNNING) { dev_err(uhci_dev(uhci), "host controller halted, " @@ -473,15 +476,15 @@ static irqreturn_t uhci_irq(struct usb_hcd *hcd) * pending unlinks */ mod_timer(&hcd->rh_timer, jiffies); } - spin_unlock(&uhci->lock); } } - if (status & USBSTS_RD) + if (status & USBSTS_RD) { + spin_unlock(&uhci->lock); usb_hcd_poll_rh_status(hcd); - else { - spin_lock(&uhci->lock); + } else { uhci_scan_schedule(uhci); + done: spin_unlock(&uhci->lock); } @@ -662,9 +665,9 @@ static int uhci_start(struct usb_hcd *hcd) */ mb(); + spin_lock_irq(&uhci->lock); configure_hc(uhci); uhci->is_initialized = 1; - spin_lock_irq(&uhci->lock); start_rh(uhci); spin_unlock_irq(&uhci->lock); return 0; diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c index 0968dd7a859d..f522000e8f06 100644 --- a/drivers/usb/musb/cppi_dma.c +++ b/drivers/usb/musb/cppi_dma.c @@ -105,7 +105,7 @@ static void cppi_reset_tx(struct cppi_tx_stateram __iomem *tx, u32 ptr) musb_writel(&tx->tx_complete, 0, ptr); } -static void __init cppi_pool_init(struct cppi *cppi, struct cppi_channel *c) +static void cppi_pool_init(struct cppi *cppi, struct cppi_channel *c) { int j; @@ -150,7 +150,7 @@ static void cppi_pool_free(struct cppi_channel *c) c->last_processed = NULL; } -static int __init cppi_controller_start(struct dma_controller *c) +static int cppi_controller_start(struct dma_controller *c) { struct cppi *controller; void __iomem *tibase; diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c index 58184f3de686..82afc4d6a327 100644 --- a/drivers/usb/serial/io_ti.c +++ b/drivers/usb/serial/io_ti.c @@ -530,6 +530,9 @@ static void chase_port(struct edgeport_port *port, unsigned long timeout, wait_queue_t wait; unsigned long flags; + if (!tty) + return; + if (!timeout) timeout = (HZ * EDGE_CLOSING_WAIT)/100; diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 478adcfcdf26..0d9dac9e7f93 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -449,6 +449,10 @@ static void option_instat_callback(struct urb *urb); #define PETATEL_VENDOR_ID 0x1ff4 #define PETATEL_PRODUCT_NP10T 0x600e +/* TP-LINK Incorporated products */ +#define TPLINK_VENDOR_ID 0x2357 +#define TPLINK_PRODUCT_MA180 0x0201 + /* some devices interfaces need special handling due to a number of reasons */ enum option_blacklist_reason { OPTION_BLACKLIST_NONE = 0, @@ -930,7 +934,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0254, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0257, 0xff, 0xff, 0xff), /* ZTE MF821 */ .driver_info = (kernel_ulong_t)&net_intf3_blacklist }, - { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0265, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0265, 0xff, 0xff, 0xff), /* ONDA MT8205 */ + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0284, 0xff, 0xff, 0xff), /* ZTE MF880 */ .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0317, 0xff, 0xff, 0xff) }, @@ -1311,6 +1316,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_4COM2, 0xff, 0x00, 0x00) }, { USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MEN200) }, { USB_DEVICE(PETATEL_VENDOR_ID, PETATEL_PRODUCT_NP10T) }, + { USB_DEVICE(TPLINK_VENDOR_ID, TPLINK_PRODUCT_MA180), + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, option_ids); diff --git a/drivers/vfio/pci/vfio_pci_rdwr.c b/drivers/vfio/pci/vfio_pci_rdwr.c index 4362d9e7baa3..f72323ef618f 100644 --- a/drivers/vfio/pci/vfio_pci_rdwr.c +++ b/drivers/vfio/pci/vfio_pci_rdwr.c @@ -240,17 +240,17 @@ ssize_t vfio_pci_mem_readwrite(struct vfio_pci_device *vdev, char __user *buf, filled = 1; } else { /* Drop writes, fill reads with FF */ + filled = min((size_t)(x_end - pos), count); if (!iswrite) { char val = 0xFF; size_t i; - for (i = 0; i < x_end - pos; i++) { + for (i = 0; i < filled; i++) { if (put_user(val, buf + i)) goto out; } } - filled = x_end - pos; } count -= filled; diff --git a/drivers/video/imxfb.c b/drivers/video/imxfb.c index 12526787a7c7..0abf2bf20836 100644 --- a/drivers/video/imxfb.c +++ b/drivers/video/imxfb.c @@ -139,6 +139,7 @@ struct imxfb_info { struct clk *clk_ahb; struct clk *clk_per; enum imxfb_type devtype; + bool enabled; /* * These are the addresses we mapped @@ -536,6 +537,10 @@ static void imxfb_exit_backlight(struct imxfb_info *fbi) static void imxfb_enable_controller(struct imxfb_info *fbi) { + + if (fbi->enabled) + return; + pr_debug("Enabling LCD controller\n"); writel(fbi->screen_dma, fbi->regs + LCDC_SSA); @@ -556,6 +561,7 @@ static void imxfb_enable_controller(struct imxfb_info *fbi) clk_prepare_enable(fbi->clk_ipg); clk_prepare_enable(fbi->clk_ahb); clk_prepare_enable(fbi->clk_per); + fbi->enabled = true; if (fbi->backlight_power) fbi->backlight_power(1); @@ -565,6 +571,9 @@ static void imxfb_enable_controller(struct imxfb_info *fbi) static void imxfb_disable_controller(struct imxfb_info *fbi) { + if (!fbi->enabled) + return; + pr_debug("Disabling LCD controller\n"); if (fbi->backlight_power) @@ -575,6 +584,7 @@ static void imxfb_disable_controller(struct imxfb_info *fbi) clk_disable_unprepare(fbi->clk_per); clk_disable_unprepare(fbi->clk_ipg); clk_disable_unprepare(fbi->clk_ahb); + fbi->enabled = false; writel(0, fbi->regs + LCDC_RMCR); } @@ -729,6 +739,8 @@ static int __init imxfb_init_fbinfo(struct platform_device *pdev) memset(fbi, 0, sizeof(struct imxfb_info)); + fbi->devtype = pdev->id_entry->driver_data; + strlcpy(info->fix.id, IMX_NAME, sizeof(info->fix.id)); info->fix.type = FB_TYPE_PACKED_PIXELS; @@ -789,7 +801,6 @@ static int __init imxfb_probe(struct platform_device *pdev) return -ENOMEM; fbi = info->par; - fbi->devtype = pdev->id_entry->driver_data; if (!fb_mode) fb_mode = pdata->mode[0].mode.name; diff --git a/drivers/xen/cpu_hotplug.c b/drivers/xen/cpu_hotplug.c index 4dcfced107f5..084041d42c9a 100644 --- a/drivers/xen/cpu_hotplug.c +++ b/drivers/xen/cpu_hotplug.c @@ -25,10 +25,10 @@ static void disable_hotplug_cpu(int cpu) static int vcpu_online(unsigned int cpu) { int err; - char dir[32], state[32]; + char dir[16], state[16]; sprintf(dir, "cpu/%u", cpu); - err = xenbus_scanf(XBT_NIL, dir, "availability", "%s", state); + err = xenbus_scanf(XBT_NIL, dir, "availability", "%15s", state); if (err != 1) { if (!xen_initial_domain()) printk(KERN_ERR "XENBUS: Unable to read cpu state\n"); diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 2e22df2f7a3f..3c8803feba26 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -56,10 +56,15 @@ MODULE_PARM_DESC(limit, "Maximum number of grants that may be mapped by " static atomic_t pages_mapped = ATOMIC_INIT(0); static int use_ptemod; +#define populate_freeable_maps use_ptemod struct gntdev_priv { + /* maps with visible offsets in the file descriptor */ struct list_head maps; - /* lock protects maps from concurrent changes */ + /* maps that are not visible; will be freed on munmap. + * Only populated if populate_freeable_maps == 1 */ + struct list_head freeable_maps; + /* lock protects maps and freeable_maps */ spinlock_t lock; struct mm_struct *mm; struct mmu_notifier mn; @@ -193,7 +198,7 @@ static struct grant_map *gntdev_find_map_index(struct gntdev_priv *priv, return NULL; } -static void gntdev_put_map(struct grant_map *map) +static void gntdev_put_map(struct gntdev_priv *priv, struct grant_map *map) { if (!map) return; @@ -208,6 +213,12 @@ static void gntdev_put_map(struct grant_map *map) evtchn_put(map->notify.event); } + if (populate_freeable_maps && priv) { + spin_lock(&priv->lock); + list_del(&map->next); + spin_unlock(&priv->lock); + } + if (map->pages && !use_ptemod) unmap_grant_pages(map, 0, map->count); gntdev_free_map(map); @@ -301,17 +312,10 @@ static int __unmap_grant_pages(struct grant_map *map, int offset, int pages) if (map->notify.flags & UNMAP_NOTIFY_CLEAR_BYTE) { int pgno = (map->notify.addr >> PAGE_SHIFT); - if (pgno >= offset && pgno < offset + pages && use_ptemod) { - void __user *tmp = (void __user *) - map->vma->vm_start + map->notify.addr; - err = copy_to_user(tmp, &err, 1); - if (err) - return -EFAULT; - map->notify.flags &= ~UNMAP_NOTIFY_CLEAR_BYTE; - } else if (pgno >= offset && pgno < offset + pages) { - uint8_t *tmp = kmap(map->pages[pgno]); + if (pgno >= offset && pgno < offset + pages) { + /* No need for kmap, pages are in lowmem */ + uint8_t *tmp = pfn_to_kaddr(page_to_pfn(map->pages[pgno])); tmp[map->notify.addr & (PAGE_SIZE-1)] = 0; - kunmap(map->pages[pgno]); map->notify.flags &= ~UNMAP_NOTIFY_CLEAR_BYTE; } } @@ -376,11 +380,24 @@ static void gntdev_vma_open(struct vm_area_struct *vma) static void gntdev_vma_close(struct vm_area_struct *vma) { struct grant_map *map = vma->vm_private_data; + struct file *file = vma->vm_file; + struct gntdev_priv *priv = file->private_data; pr_debug("gntdev_vma_close %p\n", vma); - map->vma = NULL; + if (use_ptemod) { + /* It is possible that an mmu notifier could be running + * concurrently, so take priv->lock to ensure that the vma won't + * vanishing during the unmap_grant_pages call, since we will + * spin here until that completes. Such a concurrent call will + * not do any unmapping, since that has been done prior to + * closing the vma, but it may still iterate the unmap_ops list. + */ + spin_lock(&priv->lock); + map->vma = NULL; + spin_unlock(&priv->lock); + } vma->vm_private_data = NULL; - gntdev_put_map(map); + gntdev_put_map(priv, map); } static struct vm_operations_struct gntdev_vmops = { @@ -390,33 +407,43 @@ static struct vm_operations_struct gntdev_vmops = { /* ------------------------------------------------------------------ */ +static void unmap_if_in_range(struct grant_map *map, + unsigned long start, unsigned long end) +{ + unsigned long mstart, mend; + int err; + + if (!map->vma) + return; + if (map->vma->vm_start >= end) + return; + if (map->vma->vm_end <= start) + return; + mstart = max(start, map->vma->vm_start); + mend = min(end, map->vma->vm_end); + pr_debug("map %d+%d (%lx %lx), range %lx %lx, mrange %lx %lx\n", + map->index, map->count, + map->vma->vm_start, map->vma->vm_end, + start, end, mstart, mend); + err = unmap_grant_pages(map, + (mstart - map->vma->vm_start) >> PAGE_SHIFT, + (mend - mstart) >> PAGE_SHIFT); + WARN_ON(err); +} + static void mn_invl_range_start(struct mmu_notifier *mn, struct mm_struct *mm, unsigned long start, unsigned long end) { struct gntdev_priv *priv = container_of(mn, struct gntdev_priv, mn); struct grant_map *map; - unsigned long mstart, mend; - int err; spin_lock(&priv->lock); list_for_each_entry(map, &priv->maps, next) { - if (!map->vma) - continue; - if (map->vma->vm_start >= end) - continue; - if (map->vma->vm_end <= start) - continue; - mstart = max(start, map->vma->vm_start); - mend = min(end, map->vma->vm_end); - pr_debug("map %d+%d (%lx %lx), range %lx %lx, mrange %lx %lx\n", - map->index, map->count, - map->vma->vm_start, map->vma->vm_end, - start, end, mstart, mend); - err = unmap_grant_pages(map, - (mstart - map->vma->vm_start) >> PAGE_SHIFT, - (mend - mstart) >> PAGE_SHIFT); - WARN_ON(err); + unmap_if_in_range(map, start, end); + } + list_for_each_entry(map, &priv->freeable_maps, next) { + unmap_if_in_range(map, start, end); } spin_unlock(&priv->lock); } @@ -445,6 +472,15 @@ static void mn_release(struct mmu_notifier *mn, err = unmap_grant_pages(map, /* offset */ 0, map->count); WARN_ON(err); } + list_for_each_entry(map, &priv->freeable_maps, next) { + if (!map->vma) + continue; + pr_debug("map %d+%d (%lx %lx)\n", + map->index, map->count, + map->vma->vm_start, map->vma->vm_end); + err = unmap_grant_pages(map, /* offset */ 0, map->count); + WARN_ON(err); + } spin_unlock(&priv->lock); } @@ -466,6 +502,7 @@ static int gntdev_open(struct inode *inode, struct file *flip) return -ENOMEM; INIT_LIST_HEAD(&priv->maps); + INIT_LIST_HEAD(&priv->freeable_maps); spin_lock_init(&priv->lock); if (use_ptemod) { @@ -500,8 +537,9 @@ static int gntdev_release(struct inode *inode, struct file *flip) while (!list_empty(&priv->maps)) { map = list_entry(priv->maps.next, struct grant_map, next); list_del(&map->next); - gntdev_put_map(map); + gntdev_put_map(NULL /* already removed */, map); } + WARN_ON(!list_empty(&priv->freeable_maps)); if (use_ptemod) mmu_notifier_unregister(&priv->mn, priv->mm); @@ -529,14 +567,14 @@ static long gntdev_ioctl_map_grant_ref(struct gntdev_priv *priv, if (unlikely(atomic_add_return(op.count, &pages_mapped) > limit)) { pr_debug("can't map: over limit\n"); - gntdev_put_map(map); + gntdev_put_map(NULL, map); return err; } if (copy_from_user(map->grants, &u->refs, sizeof(map->grants[0]) * op.count) != 0) { - gntdev_put_map(map); - return err; + gntdev_put_map(NULL, map); + return -EFAULT; } spin_lock(&priv->lock); @@ -565,11 +603,13 @@ static long gntdev_ioctl_unmap_grant_ref(struct gntdev_priv *priv, map = gntdev_find_map_index(priv, op.index >> PAGE_SHIFT, op.count); if (map) { list_del(&map->next); + if (populate_freeable_maps) + list_add_tail(&map->next, &priv->freeable_maps); err = 0; } spin_unlock(&priv->lock); if (map) - gntdev_put_map(map); + gntdev_put_map(priv, map); return err; } @@ -579,25 +619,31 @@ static long gntdev_ioctl_get_offset_for_vaddr(struct gntdev_priv *priv, struct ioctl_gntdev_get_offset_for_vaddr op; struct vm_area_struct *vma; struct grant_map *map; + int rv = -EINVAL; if (copy_from_user(&op, u, sizeof(op)) != 0) return -EFAULT; pr_debug("priv %p, offset for vaddr %lx\n", priv, (unsigned long)op.vaddr); + down_read(¤t->mm->mmap_sem); vma = find_vma(current->mm, op.vaddr); if (!vma || vma->vm_ops != &gntdev_vmops) - return -EINVAL; + goto out_unlock; map = vma->vm_private_data; if (!map) - return -EINVAL; + goto out_unlock; op.offset = map->index << PAGE_SHIFT; op.count = map->count; + rv = 0; - if (copy_to_user(u, &op, sizeof(op)) != 0) + out_unlock: + up_read(¤t->mm->mmap_sem); + + if (rv == 0 && copy_to_user(u, &op, sizeof(op)) != 0) return -EFAULT; - return 0; + return rv; } static long gntdev_ioctl_notify(struct gntdev_priv *priv, void __user *u) @@ -778,7 +824,7 @@ out_unlock_put: out_put_map: if (use_ptemod) map->vma = NULL; - gntdev_put_map(map); + gntdev_put_map(priv, map); return err; } diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c index 7038de53652b..157c0ccda3ef 100644 --- a/drivers/xen/grant-table.c +++ b/drivers/xen/grant-table.c @@ -56,10 +56,6 @@ /* External tools reserve first few grant table entries. */ #define NR_RESERVED_ENTRIES 8 #define GNTTAB_LIST_END 0xffffffff -#define GREFS_PER_GRANT_FRAME \ -(grant_table_version == 1 ? \ -(PAGE_SIZE / sizeof(struct grant_entry_v1)) : \ -(PAGE_SIZE / sizeof(union grant_entry_v2))) static grant_ref_t **gnttab_list; static unsigned int nr_grant_frames; @@ -154,6 +150,7 @@ static struct gnttab_ops *gnttab_interface; static grant_status_t *grstatus; static int grant_table_version; +static int grefs_per_grant_frame; static struct gnttab_free_callback *gnttab_free_callback_list; @@ -767,12 +764,14 @@ static int grow_gnttab_list(unsigned int more_frames) unsigned int new_nr_grant_frames, extra_entries, i; unsigned int nr_glist_frames, new_nr_glist_frames; + BUG_ON(grefs_per_grant_frame == 0); + new_nr_grant_frames = nr_grant_frames + more_frames; - extra_entries = more_frames * GREFS_PER_GRANT_FRAME; + extra_entries = more_frames * grefs_per_grant_frame; - nr_glist_frames = (nr_grant_frames * GREFS_PER_GRANT_FRAME + RPP - 1) / RPP; + nr_glist_frames = (nr_grant_frames * grefs_per_grant_frame + RPP - 1) / RPP; new_nr_glist_frames = - (new_nr_grant_frames * GREFS_PER_GRANT_FRAME + RPP - 1) / RPP; + (new_nr_grant_frames * grefs_per_grant_frame + RPP - 1) / RPP; for (i = nr_glist_frames; i < new_nr_glist_frames; i++) { gnttab_list[i] = (grant_ref_t *)__get_free_page(GFP_ATOMIC); if (!gnttab_list[i]) @@ -780,12 +779,12 @@ static int grow_gnttab_list(unsigned int more_frames) } - for (i = GREFS_PER_GRANT_FRAME * nr_grant_frames; - i < GREFS_PER_GRANT_FRAME * new_nr_grant_frames - 1; i++) + for (i = grefs_per_grant_frame * nr_grant_frames; + i < grefs_per_grant_frame * new_nr_grant_frames - 1; i++) gnttab_entry(i) = i + 1; gnttab_entry(i) = gnttab_free_head; - gnttab_free_head = GREFS_PER_GRANT_FRAME * nr_grant_frames; + gnttab_free_head = grefs_per_grant_frame * nr_grant_frames; gnttab_free_count += extra_entries; nr_grant_frames = new_nr_grant_frames; @@ -957,7 +956,8 @@ EXPORT_SYMBOL_GPL(gnttab_unmap_refs); static unsigned nr_status_frames(unsigned nr_grant_frames) { - return (nr_grant_frames * GREFS_PER_GRANT_FRAME + SPP - 1) / SPP; + BUG_ON(grefs_per_grant_frame == 0); + return (nr_grant_frames * grefs_per_grant_frame + SPP - 1) / SPP; } static int gnttab_map_frames_v1(xen_pfn_t *frames, unsigned int nr_gframes) @@ -1115,6 +1115,7 @@ static void gnttab_request_version(void) rc = HYPERVISOR_grant_table_op(GNTTABOP_set_version, &gsv, 1); if (rc == 0 && gsv.version == 2) { grant_table_version = 2; + grefs_per_grant_frame = PAGE_SIZE / sizeof(union grant_entry_v2); gnttab_interface = &gnttab_v2_ops; } else if (grant_table_version == 2) { /* @@ -1127,17 +1128,17 @@ static void gnttab_request_version(void) panic("we need grant tables version 2, but only version 1 is available"); } else { grant_table_version = 1; + grefs_per_grant_frame = PAGE_SIZE / sizeof(struct grant_entry_v1); gnttab_interface = &gnttab_v1_ops; } printk(KERN_INFO "Grant tables using version %d layout.\n", grant_table_version); } -int gnttab_resume(void) +static int gnttab_setup(void) { unsigned int max_nr_gframes; - gnttab_request_version(); max_nr_gframes = gnttab_max_grant_frames(); if (max_nr_gframes < nr_grant_frames) return -ENOSYS; @@ -1160,6 +1161,12 @@ int gnttab_resume(void) return 0; } +int gnttab_resume(void) +{ + gnttab_request_version(); + return gnttab_setup(); +} + int gnttab_suspend(void) { gnttab_interface->unmap_frames(); @@ -1171,9 +1178,10 @@ static int gnttab_expand(unsigned int req_entries) int rc; unsigned int cur, extra; + BUG_ON(grefs_per_grant_frame == 0); cur = nr_grant_frames; - extra = ((req_entries + (GREFS_PER_GRANT_FRAME-1)) / - GREFS_PER_GRANT_FRAME); + extra = ((req_entries + (grefs_per_grant_frame-1)) / + grefs_per_grant_frame); if (cur + extra > gnttab_max_grant_frames()) return -ENOSPC; @@ -1191,21 +1199,23 @@ int gnttab_init(void) unsigned int nr_init_grefs; int ret; + gnttab_request_version(); nr_grant_frames = 1; boot_max_nr_grant_frames = __max_nr_grant_frames(); /* Determine the maximum number of frames required for the * grant reference free list on the current hypervisor. */ + BUG_ON(grefs_per_grant_frame == 0); max_nr_glist_frames = (boot_max_nr_grant_frames * - GREFS_PER_GRANT_FRAME / RPP); + grefs_per_grant_frame / RPP); gnttab_list = kmalloc(max_nr_glist_frames * sizeof(grant_ref_t *), GFP_KERNEL); if (gnttab_list == NULL) return -ENOMEM; - nr_glist_frames = (nr_grant_frames * GREFS_PER_GRANT_FRAME + RPP - 1) / RPP; + nr_glist_frames = (nr_grant_frames * grefs_per_grant_frame + RPP - 1) / RPP; for (i = 0; i < nr_glist_frames; i++) { gnttab_list[i] = (grant_ref_t *)__get_free_page(GFP_KERNEL); if (gnttab_list[i] == NULL) { @@ -1214,12 +1224,12 @@ int gnttab_init(void) } } - if (gnttab_resume() < 0) { + if (gnttab_setup() < 0) { ret = -ENODEV; goto ini_nomem; } - nr_init_grefs = nr_grant_frames * GREFS_PER_GRANT_FRAME; + nr_init_grefs = nr_grant_frames * grefs_per_grant_frame; for (i = NR_RESERVED_ENTRIES; i < nr_init_grefs - 1; i++) gnttab_entry(i) = i + 1; diff --git a/drivers/xen/privcmd.c b/drivers/xen/privcmd.c index 0bbbccbb1f12..ca2b00e9d558 100644 --- a/drivers/xen/privcmd.c +++ b/drivers/xen/privcmd.c @@ -199,9 +199,6 @@ static long privcmd_ioctl_mmap(void __user *udata) LIST_HEAD(pagelist); struct mmap_mfn_state state; - if (!xen_initial_domain()) - return -EPERM; - /* We only support privcmd_ioctl_mmap_batch for auto translated. */ if (xen_feature(XENFEAT_auto_translated_physmap)) return -ENOSYS; @@ -261,11 +258,12 @@ struct mmap_batch_state { * -ENOENT if at least 1 -ENOENT has happened. */ int global_error; - /* An array for individual errors */ - int *err; + int version; /* User-space mfn array to store errors in the second pass for V1. */ xen_pfn_t __user *user_mfn; + /* User-space int array to store errors in the second pass for V2. */ + int __user *user_err; }; /* auto translated dom0 note: if domU being created is PV, then mfn is @@ -288,7 +286,19 @@ static int mmap_batch_fn(void *data, void *state) &cur_page); /* Store error code for second pass. */ - *(st->err++) = ret; + if (st->version == 1) { + if (ret < 0) { + /* + * V1 encodes the error codes in the 32bit top nibble of the + * mfn (with its known limitations vis-a-vis 64 bit callers). + */ + *mfnp |= (ret == -ENOENT) ? + PRIVCMD_MMAPBATCH_PAGED_ERROR : + PRIVCMD_MMAPBATCH_MFN_ERROR; + } + } else { /* st->version == 2 */ + *((int *) mfnp) = ret; + } /* And see if it affects the global_error. */ if (ret < 0) { @@ -305,20 +315,25 @@ static int mmap_batch_fn(void *data, void *state) return 0; } -static int mmap_return_errors_v1(void *data, void *state) +static int mmap_return_errors(void *data, void *state) { - xen_pfn_t *mfnp = data; struct mmap_batch_state *st = state; - int err = *(st->err++); - /* - * V1 encodes the error codes in the 32bit top nibble of the - * mfn (with its known limitations vis-a-vis 64 bit callers). - */ - *mfnp |= (err == -ENOENT) ? - PRIVCMD_MMAPBATCH_PAGED_ERROR : - PRIVCMD_MMAPBATCH_MFN_ERROR; - return __put_user(*mfnp, st->user_mfn++); + if (st->version == 1) { + xen_pfn_t mfnp = *((xen_pfn_t *) data); + if (mfnp & PRIVCMD_MMAPBATCH_MFN_ERROR) + return __put_user(mfnp, st->user_mfn++); + else + st->user_mfn++; + } else { /* st->version == 2 */ + int err = *((int *) data); + if (err) + return __put_user(err, st->user_err++); + else + st->user_err++; + } + + return 0; } /* Allocate pfns that are then mapped with gmfns from foreign domid. Update @@ -357,12 +372,8 @@ static long privcmd_ioctl_mmap_batch(void __user *udata, int version) struct vm_area_struct *vma; unsigned long nr_pages; LIST_HEAD(pagelist); - int *err_array = NULL; struct mmap_batch_state state; - if (!xen_initial_domain()) - return -EPERM; - switch (version) { case 1: if (copy_from_user(&m, udata, sizeof(struct privcmd_mmapbatch))) @@ -396,10 +407,12 @@ static long privcmd_ioctl_mmap_batch(void __user *udata, int version) goto out; } - err_array = kcalloc(m.num, sizeof(int), GFP_KERNEL); - if (err_array == NULL) { - ret = -ENOMEM; - goto out; + if (version == 2) { + /* Zero error array now to only copy back actual errors. */ + if (clear_user(m.err, sizeof(int) * m.num)) { + ret = -EFAULT; + goto out; + } } down_write(&mm->mmap_sem); @@ -427,7 +440,7 @@ static long privcmd_ioctl_mmap_batch(void __user *udata, int version) state.va = m.addr; state.index = 0; state.global_error = 0; - state.err = err_array; + state.version = version; /* mmap_batch_fn guarantees ret == 0 */ BUG_ON(traverse_pages(m.num, sizeof(xen_pfn_t), @@ -435,21 +448,14 @@ static long privcmd_ioctl_mmap_batch(void __user *udata, int version) up_write(&mm->mmap_sem); - if (version == 1) { - if (state.global_error) { - /* Write back errors in second pass. */ - state.user_mfn = (xen_pfn_t *)m.arr; - state.err = err_array; - ret = traverse_pages(m.num, sizeof(xen_pfn_t), - &pagelist, mmap_return_errors_v1, &state); - } else - ret = 0; - - } else if (version == 2) { - ret = __copy_to_user(m.err, err_array, m.num * sizeof(int)); - if (ret) - ret = -EFAULT; - } + if (state.global_error) { + /* Write back errors in second pass. */ + state.user_mfn = (xen_pfn_t *)m.arr; + state.user_err = m.err; + ret = traverse_pages(m.num, sizeof(xen_pfn_t), + &pagelist, mmap_return_errors, &state); + } else + ret = 0; /* If we have not had any EFAULT-like global errors then set the global * error to -ENOENT if necessary. */ @@ -457,7 +463,6 @@ static long privcmd_ioctl_mmap_batch(void __user *udata, int version) ret = -ENOENT; out: - kfree(err_array); free_page_list(&pagelist); return ret; diff --git a/drivers/xen/xen-pciback/pciback.h b/drivers/xen/xen-pciback/pciback.h index a7def010eba3..f72af87640e0 100644 --- a/drivers/xen/xen-pciback/pciback.h +++ b/drivers/xen/xen-pciback/pciback.h @@ -124,7 +124,7 @@ static inline int xen_pcibk_add_pci_dev(struct xen_pcibk_device *pdev, static inline void xen_pcibk_release_pci_dev(struct xen_pcibk_device *pdev, struct pci_dev *dev) { - if (xen_pcibk_backend && xen_pcibk_backend->free) + if (xen_pcibk_backend && xen_pcibk_backend->release) return xen_pcibk_backend->release(pdev, dev); } diff --git a/fs/Kconfig b/fs/Kconfig index cfe512fd1caf..780725a463b1 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -68,16 +68,6 @@ source "fs/quota/Kconfig" source "fs/autofs4/Kconfig" source "fs/fuse/Kconfig" -config CUSE - tristate "Character device in Userspace support" - depends on FUSE_FS - help - This FUSE extension allows character devices to be - implemented in userspace. - - If you want to develop or use userspace character device - based on CUSE, answer Y or M. - config GENERIC_ACL bool select FS_POSIX_ACL diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 521e9d4424f6..a8b8adc05070 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -3997,7 +3997,7 @@ again: * We make the other tasks wait for the flush only when we can flush * all things. */ - if (ret && flush == BTRFS_RESERVE_FLUSH_ALL) { + if (ret && flush != BTRFS_RESERVE_NO_FLUSH) { flushing = true; space_info->flush = 1; } @@ -5560,7 +5560,7 @@ static noinline int find_free_extent(struct btrfs_trans_handle *trans, int empty_cluster = 2 * 1024 * 1024; struct btrfs_space_info *space_info; int loop = 0; - int index = 0; + int index = __get_raid_index(data); int alloc_type = (data & BTRFS_BLOCK_GROUP_DATA) ? RESERVE_ALLOC_NO_ACCOUNT : RESERVE_ALLOC; bool found_uncached_bg = false; @@ -6788,11 +6788,13 @@ static noinline int walk_up_proc(struct btrfs_trans_handle *trans, &wc->flags[level]); if (ret < 0) { btrfs_tree_unlock_rw(eb, path->locks[level]); + path->locks[level] = 0; return ret; } BUG_ON(wc->refs[level] == 0); if (wc->refs[level] == 1) { btrfs_tree_unlock_rw(eb, path->locks[level]); + path->locks[level] = 0; return 1; } } diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c index f169d6b11d7f..2e8cae63d247 100644 --- a/fs/btrfs/extent_map.c +++ b/fs/btrfs/extent_map.c @@ -171,6 +171,10 @@ static int mergable_maps(struct extent_map *prev, struct extent_map *next) if (test_bit(EXTENT_FLAG_COMPRESSED, &prev->flags)) return 0; + if (test_bit(EXTENT_FLAG_LOGGING, &prev->flags) || + test_bit(EXTENT_FLAG_LOGGING, &next->flags)) + return 0; + if (extent_map_end(prev) == next->start && prev->flags == next->flags && prev->bdev == next->bdev && @@ -255,7 +259,8 @@ int unpin_extent_cache(struct extent_map_tree *tree, u64 start, u64 len, if (!em) goto out; - list_move(&em->list, &tree->modified_extents); + if (!test_bit(EXTENT_FLAG_LOGGING, &em->flags)) + list_move(&em->list, &tree->modified_extents); em->generation = gen; clear_bit(EXTENT_FLAG_PINNED, &em->flags); em->mod_start = em->start; @@ -280,6 +285,12 @@ out: } +void clear_em_logging(struct extent_map_tree *tree, struct extent_map *em) +{ + clear_bit(EXTENT_FLAG_LOGGING, &em->flags); + try_merge_map(tree, em); +} + /** * add_extent_mapping - add new extent map to the extent tree * @tree: tree to insert new map in diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h index 922943ce29e8..c6598c89cff8 100644 --- a/fs/btrfs/extent_map.h +++ b/fs/btrfs/extent_map.h @@ -69,6 +69,7 @@ void free_extent_map(struct extent_map *em); int __init extent_map_init(void); void extent_map_exit(void); int unpin_extent_cache(struct extent_map_tree *tree, u64 start, u64 len, u64 gen); +void clear_em_logging(struct extent_map_tree *tree, struct extent_map *em); struct extent_map *search_extent_mapping(struct extent_map_tree *tree, u64 start, u64 len); #endif diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c index bd38cef42358..94aa53b38721 100644 --- a/fs/btrfs/file-item.c +++ b/fs/btrfs/file-item.c @@ -460,8 +460,8 @@ int btrfs_csum_one_bio(struct btrfs_root *root, struct inode *inode, if (!contig) offset = page_offset(bvec->bv_page) + bvec->bv_offset; - if (!contig && (offset >= ordered->file_offset + ordered->len || - offset < ordered->file_offset)) { + if (offset >= ordered->file_offset + ordered->len || + offset < ordered->file_offset) { unsigned long bytes_left; sums->len = this_sum_bytes; this_sum_bytes = 0; diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 77061bf43edb..f76b1fd160d4 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -2241,6 +2241,7 @@ static int find_desired_extent(struct inode *inode, loff_t *offset, int whence) if (lockend <= lockstart) lockend = lockstart + root->sectorsize; + lockend--; len = lockend - lockstart + 1; len = max_t(u64, len, root->sectorsize); @@ -2307,9 +2308,12 @@ static int find_desired_extent(struct inode *inode, loff_t *offset, int whence) } } - *offset = start; - free_extent_map(em); - break; + if (!test_bit(EXTENT_FLAG_PREALLOC, + &em->flags)) { + *offset = start; + free_extent_map(em); + break; + } } } diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index 59ea2e4349c9..0be7a8742a43 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -1862,11 +1862,13 @@ int btrfs_remove_free_space(struct btrfs_block_group_cache *block_group, { struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl; struct btrfs_free_space *info; - int ret = 0; + int ret; + bool re_search = false; spin_lock(&ctl->tree_lock); again: + ret = 0; if (!bytes) goto out_lock; @@ -1879,17 +1881,17 @@ again: info = tree_search_offset(ctl, offset_to_bitmap(ctl, offset), 1, 0); if (!info) { - /* the tree logging code might be calling us before we - * have fully loaded the free space rbtree for this - * block group. So it is possible the entry won't - * be in the rbtree yet at all. The caching code - * will make sure not to put it in the rbtree if - * the logging code has pinned it. + /* + * If we found a partial bit of our free space in a + * bitmap but then couldn't find the other part this may + * be a problem, so WARN about it. */ + WARN_ON(re_search); goto out_lock; } } + re_search = false; if (!info->bitmap) { unlink_free_space(ctl, info); if (offset == info->offset) { @@ -1935,8 +1937,10 @@ again: } ret = remove_from_bitmap(ctl, info, &offset, &bytes); - if (ret == -EAGAIN) + if (ret == -EAGAIN) { + re_search = true; goto again; + } BUG_ON(ret); /* logic error */ out_lock: spin_unlock(&ctl->tree_lock); diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 16d9e8e191e6..cc93b23ca352 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -88,7 +88,7 @@ static unsigned char btrfs_type_by_mode[S_IFMT >> S_SHIFT] = { [S_IFLNK >> S_SHIFT] = BTRFS_FT_SYMLINK, }; -static int btrfs_setsize(struct inode *inode, loff_t newsize); +static int btrfs_setsize(struct inode *inode, struct iattr *attr); static int btrfs_truncate(struct inode *inode); static int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent); static noinline int cow_file_range(struct inode *inode, @@ -2478,6 +2478,18 @@ int btrfs_orphan_cleanup(struct btrfs_root *root) continue; } nr_truncate++; + + /* 1 for the orphan item deletion. */ + trans = btrfs_start_transaction(root, 1); + if (IS_ERR(trans)) { + ret = PTR_ERR(trans); + goto out; + } + ret = btrfs_orphan_add(trans, inode); + btrfs_end_transaction(trans, root); + if (ret) + goto out; + ret = btrfs_truncate(inode); } else { nr_unlink++; @@ -3665,6 +3677,7 @@ int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size) block_end - cur_offset, 0); if (IS_ERR(em)) { err = PTR_ERR(em); + em = NULL; break; } last_byte = min(extent_map_end(em), block_end); @@ -3748,16 +3761,27 @@ next: return err; } -static int btrfs_setsize(struct inode *inode, loff_t newsize) +static int btrfs_setsize(struct inode *inode, struct iattr *attr) { struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_trans_handle *trans; loff_t oldsize = i_size_read(inode); + loff_t newsize = attr->ia_size; + int mask = attr->ia_valid; int ret; if (newsize == oldsize) return 0; + /* + * The regular truncate() case without ATTR_CTIME and ATTR_MTIME is a + * special case where we need to update the times despite not having + * these flags set. For all other operations the VFS set these flags + * explicitly if it wants a timestamp update. + */ + if (newsize != oldsize && (!(mask & (ATTR_CTIME | ATTR_MTIME)))) + inode->i_ctime = inode->i_mtime = current_fs_time(inode->i_sb); + if (newsize > oldsize) { truncate_pagecache(inode, oldsize, newsize); ret = btrfs_cont_expand(inode, oldsize, newsize); @@ -3783,9 +3807,34 @@ static int btrfs_setsize(struct inode *inode, loff_t newsize) set_bit(BTRFS_INODE_ORDERED_DATA_CLOSE, &BTRFS_I(inode)->runtime_flags); + /* + * 1 for the orphan item we're going to add + * 1 for the orphan item deletion. + */ + trans = btrfs_start_transaction(root, 2); + if (IS_ERR(trans)) + return PTR_ERR(trans); + + /* + * We need to do this in case we fail at _any_ point during the + * actual truncate. Once we do the truncate_setsize we could + * invalidate pages which forces any outstanding ordered io to + * be instantly completed which will give us extents that need + * to be truncated. If we fail to get an orphan inode down we + * could have left over extents that were never meant to live, + * so we need to garuntee from this point on that everything + * will be consistent. + */ + ret = btrfs_orphan_add(trans, inode); + btrfs_end_transaction(trans, root); + if (ret) + return ret; + /* we don't support swapfiles, so vmtruncate shouldn't fail */ truncate_setsize(inode, newsize); ret = btrfs_truncate(inode); + if (ret && inode->i_nlink) + btrfs_orphan_del(NULL, inode); } return ret; @@ -3805,7 +3854,7 @@ static int btrfs_setattr(struct dentry *dentry, struct iattr *attr) return err; if (S_ISREG(inode->i_mode) && (attr->ia_valid & ATTR_SIZE)) { - err = btrfs_setsize(inode, attr->ia_size); + err = btrfs_setsize(inode, attr); if (err) return err; } @@ -5572,10 +5621,13 @@ struct extent_map *btrfs_get_extent_fiemap(struct inode *inode, struct page *pag return em; if (em) { /* - * if our em maps to a hole, there might - * actually be delalloc bytes behind it + * if our em maps to + * - a hole or + * - a pre-alloc extent, + * there might actually be delalloc bytes behind it. */ - if (em->block_start != EXTENT_MAP_HOLE) + if (em->block_start != EXTENT_MAP_HOLE && + !test_bit(EXTENT_FLAG_PREALLOC, &em->flags)) return em; else hole_em = em; @@ -5657,6 +5709,8 @@ struct extent_map *btrfs_get_extent_fiemap(struct inode *inode, struct page *pag */ em->block_start = hole_em->block_start; em->block_len = hole_len; + if (test_bit(EXTENT_FLAG_PREALLOC, &hole_em->flags)) + set_bit(EXTENT_FLAG_PREALLOC, &em->flags); } else { em->start = range_start; em->len = found; @@ -6915,11 +6969,9 @@ static int btrfs_truncate(struct inode *inode) /* * 1 for the truncate slack space - * 1 for the orphan item we're going to add - * 1 for the orphan item deletion * 1 for updating the inode. */ - trans = btrfs_start_transaction(root, 4); + trans = btrfs_start_transaction(root, 2); if (IS_ERR(trans)) { err = PTR_ERR(trans); goto out; @@ -6930,12 +6982,6 @@ static int btrfs_truncate(struct inode *inode) min_size); BUG_ON(ret); - ret = btrfs_orphan_add(trans, inode); - if (ret) { - btrfs_end_transaction(trans, root); - goto out; - } - /* * setattr is responsible for setting the ordered_data_close flag, * but that is only tested during the last file release. That @@ -7004,12 +7050,6 @@ static int btrfs_truncate(struct inode *inode) ret = btrfs_orphan_del(trans, inode); if (ret) err = ret; - } else if (ret && inode->i_nlink > 0) { - /* - * Failed to do the truncate, remove us from the in memory - * orphan list. - */ - ret = btrfs_orphan_del(NULL, inode); } if (trans) { @@ -7531,41 +7571,61 @@ void btrfs_wait_and_free_delalloc_work(struct btrfs_delalloc_work *work) */ int btrfs_start_delalloc_inodes(struct btrfs_root *root, int delay_iput) { - struct list_head *head = &root->fs_info->delalloc_inodes; struct btrfs_inode *binode; struct inode *inode; struct btrfs_delalloc_work *work, *next; struct list_head works; + struct list_head splice; int ret = 0; if (root->fs_info->sb->s_flags & MS_RDONLY) return -EROFS; INIT_LIST_HEAD(&works); - + INIT_LIST_HEAD(&splice); +again: spin_lock(&root->fs_info->delalloc_lock); - while (!list_empty(head)) { - binode = list_entry(head->next, struct btrfs_inode, + list_splice_init(&root->fs_info->delalloc_inodes, &splice); + while (!list_empty(&splice)) { + binode = list_entry(splice.next, struct btrfs_inode, delalloc_inodes); + + list_del_init(&binode->delalloc_inodes); + inode = igrab(&binode->vfs_inode); if (!inode) - list_del_init(&binode->delalloc_inodes); + continue; + + list_add_tail(&binode->delalloc_inodes, + &root->fs_info->delalloc_inodes); spin_unlock(&root->fs_info->delalloc_lock); - if (inode) { - work = btrfs_alloc_delalloc_work(inode, 0, delay_iput); - if (!work) { - ret = -ENOMEM; - goto out; - } - list_add_tail(&work->list, &works); - btrfs_queue_worker(&root->fs_info->flush_workers, - &work->work); + + work = btrfs_alloc_delalloc_work(inode, 0, delay_iput); + if (unlikely(!work)) { + ret = -ENOMEM; + goto out; } + list_add_tail(&work->list, &works); + btrfs_queue_worker(&root->fs_info->flush_workers, + &work->work); + cond_resched(); spin_lock(&root->fs_info->delalloc_lock); } spin_unlock(&root->fs_info->delalloc_lock); + list_for_each_entry_safe(work, next, &works, list) { + list_del_init(&work->list); + btrfs_wait_and_free_delalloc_work(work); + } + + spin_lock(&root->fs_info->delalloc_lock); + if (!list_empty(&root->fs_info->delalloc_inodes)) { + spin_unlock(&root->fs_info->delalloc_lock); + goto again; + } + spin_unlock(&root->fs_info->delalloc_lock); + /* the filemap_flush will queue IO into the worker threads, but * we have to make sure the IO is actually started and that * ordered extents get created before we return @@ -7578,11 +7638,18 @@ int btrfs_start_delalloc_inodes(struct btrfs_root *root, int delay_iput) atomic_read(&root->fs_info->async_delalloc_pages) == 0)); } atomic_dec(&root->fs_info->async_submit_draining); + return 0; out: list_for_each_entry_safe(work, next, &works, list) { list_del_init(&work->list); btrfs_wait_and_free_delalloc_work(work); } + + if (!list_empty_careful(&splice)) { + spin_lock(&root->fs_info->delalloc_lock); + list_splice_tail(&splice, &root->fs_info->delalloc_inodes); + spin_unlock(&root->fs_info->delalloc_lock); + } return ret; } diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 4b4516770f05..5b22d45d3c6a 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1339,7 +1339,8 @@ static noinline int btrfs_ioctl_resize(struct file *file, if (atomic_xchg(&root->fs_info->mutually_exclusive_operation_running, 1)) { pr_info("btrfs: dev add/delete/balance/replace/resize operation in progress\n"); - return -EINPROGRESS; + mnt_drop_write_file(file); + return -EINVAL; } mutex_lock(&root->fs_info->volume_mutex); @@ -1362,6 +1363,7 @@ static noinline int btrfs_ioctl_resize(struct file *file, printk(KERN_INFO "btrfs: resizing devid %llu\n", (unsigned long long)devid); } + device = btrfs_find_device(root->fs_info, devid, NULL, NULL); if (!device) { printk(KERN_INFO "btrfs: resizer unable to find device %llu\n", @@ -1369,9 +1371,10 @@ static noinline int btrfs_ioctl_resize(struct file *file, ret = -EINVAL; goto out_free; } - if (device->fs_devices && device->fs_devices->seeding) { + + if (!device->writeable) { printk(KERN_INFO "btrfs: resizer unable to apply on " - "seeding device %llu\n", + "readonly device %llu\n", (unsigned long long)devid); ret = -EINVAL; goto out_free; @@ -1443,8 +1446,8 @@ out_free: kfree(vol_args); out: mutex_unlock(&root->fs_info->volume_mutex); - mnt_drop_write_file(file); atomic_set(&root->fs_info->mutually_exclusive_operation_running, 0); + mnt_drop_write_file(file); return ret; } @@ -2095,13 +2098,13 @@ static noinline int btrfs_ioctl_snap_destroy(struct file *file, err = inode_permission(inode, MAY_WRITE | MAY_EXEC); if (err) goto out_dput; - - /* check if subvolume may be deleted by a non-root user */ - err = btrfs_may_delete(dir, dentry, 1); - if (err) - goto out_dput; } + /* check if subvolume may be deleted by a user */ + err = btrfs_may_delete(dir, dentry, 1); + if (err) + goto out_dput; + if (btrfs_ino(inode) != BTRFS_FIRST_FREE_OBJECTID) { err = -EINVAL; goto out_dput; @@ -2183,19 +2186,20 @@ static int btrfs_ioctl_defrag(struct file *file, void __user *argp) struct btrfs_ioctl_defrag_range_args *range; int ret; - if (btrfs_root_readonly(root)) - return -EROFS; + ret = mnt_want_write_file(file); + if (ret) + return ret; if (atomic_xchg(&root->fs_info->mutually_exclusive_operation_running, 1)) { pr_info("btrfs: dev add/delete/balance/replace/resize operation in progress\n"); - return -EINPROGRESS; + mnt_drop_write_file(file); + return -EINVAL; } - ret = mnt_want_write_file(file); - if (ret) { - atomic_set(&root->fs_info->mutually_exclusive_operation_running, - 0); - return ret; + + if (btrfs_root_readonly(root)) { + ret = -EROFS; + goto out; } switch (inode->i_mode & S_IFMT) { @@ -2247,8 +2251,8 @@ static int btrfs_ioctl_defrag(struct file *file, void __user *argp) ret = -EINVAL; } out: - mnt_drop_write_file(file); atomic_set(&root->fs_info->mutually_exclusive_operation_running, 0); + mnt_drop_write_file(file); return ret; } @@ -2263,7 +2267,7 @@ static long btrfs_ioctl_add_dev(struct btrfs_root *root, void __user *arg) if (atomic_xchg(&root->fs_info->mutually_exclusive_operation_running, 1)) { pr_info("btrfs: dev add/delete/balance/replace/resize operation in progress\n"); - return -EINPROGRESS; + return -EINVAL; } mutex_lock(&root->fs_info->volume_mutex); @@ -2300,7 +2304,7 @@ static long btrfs_ioctl_rm_dev(struct file *file, void __user *arg) 1)) { pr_info("btrfs: dev add/delete/balance/replace/resize operation in progress\n"); mnt_drop_write_file(file); - return -EINPROGRESS; + return -EINVAL; } mutex_lock(&root->fs_info->volume_mutex); @@ -2316,8 +2320,8 @@ static long btrfs_ioctl_rm_dev(struct file *file, void __user *arg) kfree(vol_args); out: mutex_unlock(&root->fs_info->volume_mutex); - mnt_drop_write_file(file); atomic_set(&root->fs_info->mutually_exclusive_operation_running, 0); + mnt_drop_write_file(file); return ret; } @@ -3437,8 +3441,8 @@ static long btrfs_ioctl_balance(struct file *file, void __user *arg) struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_ioctl_balance_args *bargs; struct btrfs_balance_control *bctl; + bool need_unlock; /* for mut. excl. ops lock */ int ret; - int need_to_clear_lock = 0; if (!capable(CAP_SYS_ADMIN)) return -EPERM; @@ -3447,14 +3451,61 @@ static long btrfs_ioctl_balance(struct file *file, void __user *arg) if (ret) return ret; - mutex_lock(&fs_info->volume_mutex); +again: + if (!atomic_xchg(&fs_info->mutually_exclusive_operation_running, 1)) { + mutex_lock(&fs_info->volume_mutex); + mutex_lock(&fs_info->balance_mutex); + need_unlock = true; + goto locked; + } + + /* + * mut. excl. ops lock is locked. Three possibilites: + * (1) some other op is running + * (2) balance is running + * (3) balance is paused -- special case (think resume) + */ mutex_lock(&fs_info->balance_mutex); + if (fs_info->balance_ctl) { + /* this is either (2) or (3) */ + if (!atomic_read(&fs_info->balance_running)) { + mutex_unlock(&fs_info->balance_mutex); + if (!mutex_trylock(&fs_info->volume_mutex)) + goto again; + mutex_lock(&fs_info->balance_mutex); + + if (fs_info->balance_ctl && + !atomic_read(&fs_info->balance_running)) { + /* this is (3) */ + need_unlock = false; + goto locked; + } + + mutex_unlock(&fs_info->balance_mutex); + mutex_unlock(&fs_info->volume_mutex); + goto again; + } else { + /* this is (2) */ + mutex_unlock(&fs_info->balance_mutex); + ret = -EINPROGRESS; + goto out; + } + } else { + /* this is (1) */ + mutex_unlock(&fs_info->balance_mutex); + pr_info("btrfs: dev add/delete/balance/replace/resize operation in progress\n"); + ret = -EINVAL; + goto out; + } + +locked: + BUG_ON(!atomic_read(&fs_info->mutually_exclusive_operation_running)); if (arg) { bargs = memdup_user(arg, sizeof(*bargs)); if (IS_ERR(bargs)) { ret = PTR_ERR(bargs); - goto out; + goto out_unlock; } if (bargs->flags & BTRFS_BALANCE_RESUME) { @@ -3474,13 +3525,10 @@ static long btrfs_ioctl_balance(struct file *file, void __user *arg) bargs = NULL; } - if (atomic_xchg(&root->fs_info->mutually_exclusive_operation_running, - 1)) { - pr_info("btrfs: dev add/delete/balance/replace/resize operation in progress\n"); + if (fs_info->balance_ctl) { ret = -EINPROGRESS; goto out_bargs; } - need_to_clear_lock = 1; bctl = kzalloc(sizeof(*bctl), GFP_NOFS); if (!bctl) { @@ -3501,11 +3549,17 @@ static long btrfs_ioctl_balance(struct file *file, void __user *arg) } do_balance: - ret = btrfs_balance(bctl, bargs); /* - * bctl is freed in __cancel_balance or in free_fs_info if - * restriper was paused all the way until unmount + * Ownership of bctl and mutually_exclusive_operation_running + * goes to to btrfs_balance. bctl is freed in __cancel_balance, + * or, if restriper was paused all the way until unmount, in + * free_fs_info. mutually_exclusive_operation_running is + * cleared in __cancel_balance. */ + need_unlock = false; + + ret = btrfs_balance(bctl, bargs); + if (arg) { if (copy_to_user(arg, bargs, sizeof(*bargs))) ret = -EFAULT; @@ -3513,12 +3567,12 @@ do_balance: out_bargs: kfree(bargs); -out: - if (need_to_clear_lock) - atomic_set(&root->fs_info->mutually_exclusive_operation_running, - 0); +out_unlock: mutex_unlock(&fs_info->balance_mutex); mutex_unlock(&fs_info->volume_mutex); + if (need_unlock) + atomic_set(&fs_info->mutually_exclusive_operation_running, 0); +out: mnt_drop_write_file(file); return ret; } @@ -3698,6 +3752,11 @@ static long btrfs_ioctl_qgroup_create(struct file *file, void __user *arg) goto drop_write; } + if (!sa->qgroupid) { + ret = -EINVAL; + goto out; + } + trans = btrfs_join_transaction(root); if (IS_ERR(trans)) { ret = PTR_ERR(trans); diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index fe9d02c45f8e..a5c856234323 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -379,6 +379,13 @@ next1: ret = add_relation_rb(fs_info, found_key.objectid, found_key.offset); + if (ret == -ENOENT) { + printk(KERN_WARNING + "btrfs: orphan qgroup relation 0x%llx->0x%llx\n", + (unsigned long long)found_key.objectid, + (unsigned long long)found_key.offset); + ret = 0; /* ignore the error */ + } if (ret) goto out; next2: @@ -956,17 +963,28 @@ int btrfs_remove_qgroup(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, u64 qgroupid) { struct btrfs_root *quota_root; + struct btrfs_qgroup *qgroup; int ret = 0; quota_root = fs_info->quota_root; if (!quota_root) return -EINVAL; + /* check if there are no relations to this qgroup */ + spin_lock(&fs_info->qgroup_lock); + qgroup = find_qgroup_rb(fs_info, qgroupid); + if (qgroup) { + if (!list_empty(&qgroup->groups) || !list_empty(&qgroup->members)) { + spin_unlock(&fs_info->qgroup_lock); + return -EBUSY; + } + } + spin_unlock(&fs_info->qgroup_lock); + ret = del_qgroup_item(trans, quota_root, qgroupid); spin_lock(&fs_info->qgroup_lock); del_qgroup_rb(quota_root->fs_info, qgroupid); - spin_unlock(&fs_info->qgroup_lock); return ret; diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index 54454542ad40..321b7fb4e441 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -1814,8 +1814,10 @@ static int name_cache_insert(struct send_ctx *sctx, (unsigned long)nce->ino); if (!nce_head) { nce_head = kmalloc(sizeof(*nce_head), GFP_NOFS); - if (!nce_head) + if (!nce_head) { + kfree(nce); return -ENOMEM; + } INIT_LIST_HEAD(nce_head); ret = radix_tree_insert(&sctx->name_cache, nce->ino, nce_head); diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 99545df1b86c..d8982e9601d3 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -267,7 +267,7 @@ void __btrfs_abort_transaction(struct btrfs_trans_handle *trans, function, line, errstr); return; } - trans->transaction->aborted = errno; + ACCESS_ONCE(trans->transaction->aborted) = errno; __btrfs_std_error(root->fs_info, function, line, errno, NULL); } /* diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 87fac9a21ea5..f15494699f3b 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -1468,7 +1468,8 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, goto cleanup_transaction; } - if (cur_trans->aborted) { + /* Stop the commit early if ->aborted is set */ + if (unlikely(ACCESS_ONCE(cur_trans->aborted))) { ret = cur_trans->aborted; goto cleanup_transaction; } @@ -1574,6 +1575,11 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, wait_event(cur_trans->writer_wait, atomic_read(&cur_trans->num_writers) == 1); + /* ->aborted might be set after the previous check, so check it */ + if (unlikely(ACCESS_ONCE(cur_trans->aborted))) { + ret = cur_trans->aborted; + goto cleanup_transaction; + } /* * the reloc mutex makes sure that we stop * the balancing code from coming in and moving @@ -1657,6 +1663,17 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, goto cleanup_transaction; } + /* + * The tasks which save the space cache and inode cache may also + * update ->aborted, check it. + */ + if (unlikely(ACCESS_ONCE(cur_trans->aborted))) { + ret = cur_trans->aborted; + mutex_unlock(&root->fs_info->tree_log_mutex); + mutex_unlock(&root->fs_info->reloc_mutex); + goto cleanup_transaction; + } + btrfs_prepare_extent_commit(trans, root); cur_trans = root->fs_info->running_transaction; diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 83186c7e45d4..9027bb1e7466 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -3357,6 +3357,11 @@ static int log_one_extent(struct btrfs_trans_handle *trans, if (skip_csum) return 0; + if (em->compress_type) { + csum_offset = 0; + csum_len = block_len; + } + /* block start is already adjusted for the file extent offset. */ ret = btrfs_lookup_csums_range(log->fs_info->csum_root, em->block_start + csum_offset, @@ -3410,13 +3415,13 @@ static int btrfs_log_changed_extents(struct btrfs_trans_handle *trans, em = list_entry(extents.next, struct extent_map, list); list_del_init(&em->list); - clear_bit(EXTENT_FLAG_LOGGING, &em->flags); /* * If we had an error we just need to delete everybody from our * private list. */ if (ret) { + clear_em_logging(tree, em); free_extent_map(em); continue; } @@ -3424,8 +3429,9 @@ static int btrfs_log_changed_extents(struct btrfs_trans_handle *trans, write_unlock(&tree->lock); ret = log_one_extent(trans, inode, root, em, path); - free_extent_map(em); write_lock(&tree->lock); + clear_em_logging(tree, em); + free_extent_map(em); } WARN_ON(!list_empty(&extents)); write_unlock(&tree->lock); diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 5cce6aa74012..15f6efdf6463 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -1431,7 +1431,7 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path) } } else { ret = btrfs_get_bdev_and_sb(device_path, - FMODE_READ | FMODE_EXCL, + FMODE_WRITE | FMODE_EXCL, root->fs_info->bdev_holder, 0, &bdev, &bh); if (ret) @@ -2614,7 +2614,14 @@ static int chunk_usage_filter(struct btrfs_fs_info *fs_info, u64 chunk_offset, cache = btrfs_lookup_block_group(fs_info, chunk_offset); chunk_used = btrfs_block_group_used(&cache->item); - user_thresh = div_factor_fine(cache->key.offset, bargs->usage); + if (bargs->usage == 0) + user_thresh = 0; + else if (bargs->usage > 100) + user_thresh = cache->key.offset; + else + user_thresh = div_factor_fine(cache->key.offset, + bargs->usage); + if (chunk_used < user_thresh) ret = 0; @@ -2959,6 +2966,8 @@ static void __cancel_balance(struct btrfs_fs_info *fs_info) unset_balance_control(fs_info); ret = del_balance_item(fs_info->tree_root); BUG_ON(ret); + + atomic_set(&fs_info->mutually_exclusive_operation_running, 0); } void update_ioctl_balance_args(struct btrfs_fs_info *fs_info, int lock, @@ -3138,8 +3147,10 @@ int btrfs_balance(struct btrfs_balance_control *bctl, out: if (bctl->flags & BTRFS_BALANCE_RESUME) __cancel_balance(fs_info); - else + else { kfree(bctl); + atomic_set(&fs_info->mutually_exclusive_operation_running, 0); + } return ret; } @@ -3156,7 +3167,6 @@ static int balance_kthread(void *data) ret = btrfs_balance(fs_info->balance_ctl, NULL); } - atomic_set(&fs_info->mutually_exclusive_operation_running, 0); mutex_unlock(&fs_info->balance_mutex); mutex_unlock(&fs_info->volume_mutex); @@ -3179,7 +3189,6 @@ int btrfs_resume_balance_async(struct btrfs_fs_info *fs_info) return 0; } - WARN_ON(atomic_xchg(&fs_info->mutually_exclusive_operation_running, 1)); tsk = kthread_run(balance_kthread, fs_info, "btrfs-balance"); if (IS_ERR(tsk)) return PTR_ERR(tsk); @@ -3233,6 +3242,8 @@ int btrfs_recover_balance(struct btrfs_fs_info *fs_info) btrfs_balance_sys(leaf, item, &disk_bargs); btrfs_disk_balance_args_to_cpu(&bctl->sys, &disk_bargs); + WARN_ON(atomic_xchg(&fs_info->mutually_exclusive_operation_running, 1)); + mutex_lock(&fs_info->volume_mutex); mutex_lock(&fs_info->balance_mutex); @@ -3496,7 +3507,7 @@ struct btrfs_raid_attr btrfs_raid_array[BTRFS_NR_RAID_TYPES] = { { 1, 1, 2, 2, 2, 2 /* raid1 */ }, { 1, 2, 1, 1, 1, 2 /* dup */ }, { 1, 1, 0, 2, 1, 1 /* raid0 */ }, - { 1, 1, 0, 1, 1, 1 /* single */ }, + { 1, 1, 1, 1, 1, 1 /* single */ }, }; static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans, diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c index ce5cbd717bfc..210fce2df308 100644 --- a/fs/cifs/cifs_dfs_ref.c +++ b/fs/cifs/cifs_dfs_ref.c @@ -226,6 +226,8 @@ compose_mount_options_out: compose_mount_options_err: kfree(mountdata); mountdata = ERR_PTR(rc); + kfree(*devname); + *devname = NULL; goto compose_mount_options_out; } diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 17c3643e5950..12b3da39733b 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -1917,7 +1917,7 @@ srcip_matches(struct sockaddr *srcaddr, struct sockaddr *rhs) } case AF_INET6: { struct sockaddr_in6 *saddr6 = (struct sockaddr_in6 *)srcaddr; - struct sockaddr_in6 *vaddr6 = (struct sockaddr_in6 *)&rhs; + struct sockaddr_in6 *vaddr6 = (struct sockaddr_in6 *)rhs; return ipv6_addr_equal(&saddr6->sin6_addr, &vaddr6->sin6_addr); } default: diff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c index e95b94945d5f..137af4255da6 100644 --- a/fs/f2fs/acl.c +++ b/fs/f2fs/acl.c @@ -191,15 +191,14 @@ struct posix_acl *f2fs_get_acl(struct inode *inode, int type) retval = f2fs_getxattr(inode, name_index, "", value, retval); } - if (retval < 0) { - if (retval == -ENODATA) - acl = NULL; - else - acl = ERR_PTR(retval); - } else { + if (retval > 0) acl = f2fs_acl_from_disk(value, retval); - } + else if (retval == -ENODATA) + acl = NULL; + else + acl = ERR_PTR(retval); kfree(value); + if (!IS_ERR(acl)) set_cached_acl(inode, type, acl); diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 6ef36c37e2be..ff3c8439af87 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -214,7 +214,6 @@ retry: goto retry; } new->ino = ino; - INIT_LIST_HEAD(&new->list); /* add new_oentry into list which is sorted by inode number */ if (orphan) { @@ -772,7 +771,7 @@ void init_orphan_info(struct f2fs_sb_info *sbi) sbi->n_orphans = 0; } -int create_checkpoint_caches(void) +int __init create_checkpoint_caches(void) { orphan_entry_slab = f2fs_kmem_cache_create("f2fs_orphan_entry", sizeof(struct orphan_inode_entry), NULL); diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 3aa5ce7cab83..7bd22a201125 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -547,6 +547,15 @@ redirty_out: #define MAX_DESIRED_PAGES_WP 4096 +static int __f2fs_writepage(struct page *page, struct writeback_control *wbc, + void *data) +{ + struct address_space *mapping = data; + int ret = mapping->a_ops->writepage(page, wbc); + mapping_set_error(mapping, ret); + return ret; +} + static int f2fs_write_data_pages(struct address_space *mapping, struct writeback_control *wbc) { @@ -563,7 +572,7 @@ static int f2fs_write_data_pages(struct address_space *mapping, if (!S_ISDIR(inode->i_mode)) mutex_lock(&sbi->writepages); - ret = generic_writepages(mapping, wbc); + ret = write_cache_pages(mapping, wbc, __f2fs_writepage, mapping); if (!S_ISDIR(inode->i_mode)) mutex_unlock(&sbi->writepages); f2fs_submit_bio(sbi, DATA, (wbc->sync_mode == WB_SYNC_ALL)); @@ -689,6 +698,11 @@ static int f2fs_set_data_page_dirty(struct page *page) return 0; } +static sector_t f2fs_bmap(struct address_space *mapping, sector_t block) +{ + return generic_block_bmap(mapping, block, get_data_block_ro); +} + const struct address_space_operations f2fs_dblock_aops = { .readpage = f2fs_read_data_page, .readpages = f2fs_read_data_pages, @@ -700,4 +714,5 @@ const struct address_space_operations f2fs_dblock_aops = { .invalidatepage = f2fs_invalidate_data_page, .releasepage = f2fs_release_data_page, .direct_IO = f2fs_direct_IO, + .bmap = f2fs_bmap, }; diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index 0e0380a588ad..c8c37307b326 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -26,6 +26,7 @@ static LIST_HEAD(f2fs_stat_list); static struct dentry *debugfs_root; +static DEFINE_MUTEX(f2fs_stat_mutex); static void update_general_status(struct f2fs_sb_info *sbi) { @@ -180,18 +181,14 @@ static int stat_show(struct seq_file *s, void *v) int i = 0; int j; + mutex_lock(&f2fs_stat_mutex); list_for_each_entry_safe(si, next, &f2fs_stat_list, stat_list) { - mutex_lock(&si->stat_lock); - if (!si->sbi) { - mutex_unlock(&si->stat_lock); - continue; - } update_general_status(si->sbi); seq_printf(s, "\n=====[ partition info. #%d ]=====\n", i++); - seq_printf(s, "[SB: 1] [CP: 2] [NAT: %d] [SIT: %d] ", - si->nat_area_segs, si->sit_area_segs); + seq_printf(s, "[SB: 1] [CP: 2] [SIT: %d] [NAT: %d] ", + si->sit_area_segs, si->nat_area_segs); seq_printf(s, "[SSA: %d] [MAIN: %d", si->ssa_area_segs, si->main_area_segs); seq_printf(s, "(OverProv:%d Resv:%d)]\n\n", @@ -286,8 +283,8 @@ static int stat_show(struct seq_file *s, void *v) seq_printf(s, "\nMemory: %u KB = static: %u + cached: %u\n", (si->base_mem + si->cache_mem) >> 10, si->base_mem >> 10, si->cache_mem >> 10); - mutex_unlock(&si->stat_lock); } + mutex_unlock(&f2fs_stat_mutex); return 0; } @@ -303,7 +300,7 @@ static const struct file_operations stat_fops = { .release = single_release, }; -static int init_stats(struct f2fs_sb_info *sbi) +int f2fs_build_stats(struct f2fs_sb_info *sbi) { struct f2fs_super_block *raw_super = F2FS_RAW_SUPER(sbi); struct f2fs_stat_info *si; @@ -313,9 +310,6 @@ static int init_stats(struct f2fs_sb_info *sbi) return -ENOMEM; si = sbi->stat_info; - mutex_init(&si->stat_lock); - list_add_tail(&si->stat_list, &f2fs_stat_list); - si->all_area_segs = le32_to_cpu(raw_super->segment_count); si->sit_area_segs = le32_to_cpu(raw_super->segment_count_sit); si->nat_area_segs = le32_to_cpu(raw_super->segment_count_nat); @@ -325,21 +319,11 @@ static int init_stats(struct f2fs_sb_info *sbi) si->main_area_zones = si->main_area_sections / le32_to_cpu(raw_super->secs_per_zone); si->sbi = sbi; - return 0; -} -int f2fs_build_stats(struct f2fs_sb_info *sbi) -{ - int retval; - - retval = init_stats(sbi); - if (retval) - return retval; - - if (!debugfs_root) - debugfs_root = debugfs_create_dir("f2fs", NULL); + mutex_lock(&f2fs_stat_mutex); + list_add_tail(&si->stat_list, &f2fs_stat_list); + mutex_unlock(&f2fs_stat_mutex); - debugfs_create_file("status", S_IRUGO, debugfs_root, NULL, &stat_fops); return 0; } @@ -347,14 +331,22 @@ void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { struct f2fs_stat_info *si = sbi->stat_info; + mutex_lock(&f2fs_stat_mutex); list_del(&si->stat_list); - mutex_lock(&si->stat_lock); - si->sbi = NULL; - mutex_unlock(&si->stat_lock); + mutex_unlock(&f2fs_stat_mutex); + kfree(sbi->stat_info); } -void destroy_root_stats(void) +void __init f2fs_create_root_stats(void) +{ + debugfs_root = debugfs_create_dir("f2fs", NULL); + if (debugfs_root) + debugfs_create_file("status", S_IRUGO, debugfs_root, + NULL, &stat_fops); +} + +void f2fs_destroy_root_stats(void) { debugfs_remove_recursive(debugfs_root); debugfs_root = NULL; diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c index 951ed52748f6..989980e16d0b 100644 --- a/fs/f2fs/dir.c +++ b/fs/f2fs/dir.c @@ -503,7 +503,7 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page, } if (inode) { - inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME; + inode->i_ctime = CURRENT_TIME; drop_nlink(inode); if (S_ISDIR(inode->i_mode)) { drop_nlink(inode); diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 13c6dfbb7183..c8e2d751ef9c 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -211,11 +211,11 @@ struct dnode_of_data { static inline void set_new_dnode(struct dnode_of_data *dn, struct inode *inode, struct page *ipage, struct page *npage, nid_t nid) { + memset(dn, 0, sizeof(*dn)); dn->inode = inode; dn->inode_page = ipage; dn->node_page = npage; dn->nid = nid; - dn->inode_page_locked = 0; } /* @@ -877,6 +877,8 @@ bool f2fs_empty_dir(struct inode *); * super.c */ int f2fs_sync_fs(struct super_block *, int); +extern __printf(3, 4) +void f2fs_msg(struct super_block *, const char *, const char *, ...); /* * hash.c @@ -912,7 +914,7 @@ int restore_node_summary(struct f2fs_sb_info *, unsigned int, void flush_nat_entries(struct f2fs_sb_info *); int build_node_manager(struct f2fs_sb_info *); void destroy_node_manager(struct f2fs_sb_info *); -int create_node_manager_caches(void); +int __init create_node_manager_caches(void); void destroy_node_manager_caches(void); /* @@ -964,7 +966,7 @@ void sync_dirty_dir_inodes(struct f2fs_sb_info *); void block_operations(struct f2fs_sb_info *); void write_checkpoint(struct f2fs_sb_info *, bool, bool); void init_orphan_info(struct f2fs_sb_info *); -int create_checkpoint_caches(void); +int __init create_checkpoint_caches(void); void destroy_checkpoint_caches(void); /* @@ -984,9 +986,9 @@ int do_write_data_page(struct page *); int start_gc_thread(struct f2fs_sb_info *); void stop_gc_thread(struct f2fs_sb_info *); block_t start_bidx_of_node(unsigned int); -int f2fs_gc(struct f2fs_sb_info *, int); +int f2fs_gc(struct f2fs_sb_info *); void build_gc_manager(struct f2fs_sb_info *); -int create_gc_caches(void); +int __init create_gc_caches(void); void destroy_gc_caches(void); /* @@ -1058,7 +1060,8 @@ struct f2fs_stat_info { int f2fs_build_stats(struct f2fs_sb_info *); void f2fs_destroy_stats(struct f2fs_sb_info *); -void destroy_root_stats(void); +void __init f2fs_create_root_stats(void); +void f2fs_destroy_root_stats(void); #else #define stat_inc_call_count(si) #define stat_inc_seg_count(si, type) @@ -1068,7 +1071,8 @@ void destroy_root_stats(void); static inline int f2fs_build_stats(struct f2fs_sb_info *sbi) { return 0; } static inline void f2fs_destroy_stats(struct f2fs_sb_info *sbi) { } -static inline void destroy_root_stats(void) { } +static inline void __init f2fs_create_root_stats(void) { } +static inline void f2fs_destroy_root_stats(void) { } #endif extern const struct file_operations f2fs_dir_operations; diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 7f9ea9271ebe..3191b52aafb0 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -96,8 +96,9 @@ out: } static const struct vm_operations_struct f2fs_file_vm_ops = { - .fault = filemap_fault, - .page_mkwrite = f2fs_vm_page_mkwrite, + .fault = filemap_fault, + .page_mkwrite = f2fs_vm_page_mkwrite, + .remap_pages = generic_file_remap_pages, }; static int need_to_sync_dir(struct f2fs_sb_info *sbi, struct inode *inode) @@ -137,6 +138,9 @@ int f2fs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) if (ret) return ret; + /* guarantee free sections for fsync */ + f2fs_balance_fs(sbi); + mutex_lock(&inode->i_mutex); if (datasync && !(inode->i_state & I_DIRTY_DATASYNC)) @@ -407,6 +411,8 @@ int truncate_hole(struct inode *inode, pgoff_t pg_start, pgoff_t pg_end) struct dnode_of_data dn; struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb); + f2fs_balance_fs(sbi); + mutex_lock_op(sbi, DATA_TRUNC); set_new_dnode(&dn, inode, NULL, NULL, 0); err = get_dnode_of_data(&dn, index, RDONLY_NODE); @@ -534,7 +540,6 @@ static long f2fs_fallocate(struct file *file, int mode, loff_t offset, loff_t len) { struct inode *inode = file->f_path.dentry->d_inode; - struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb); long ret; if (mode & ~(FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE)) @@ -545,7 +550,10 @@ static long f2fs_fallocate(struct file *file, int mode, else ret = expand_inode_data(inode, offset, len, mode); - f2fs_balance_fs(sbi); + if (!ret) { + inode->i_mtime = inode->i_ctime = CURRENT_TIME; + mark_inode_dirty(inode); + } return ret; } diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index b0ec721e984a..c386910dacc5 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -78,7 +78,7 @@ static int gc_thread_func(void *data) sbi->bg_gc++; - if (f2fs_gc(sbi, 1) == GC_NONE) + if (f2fs_gc(sbi) == GC_NONE) wait_ms = GC_THREAD_NOGC_SLEEP_TIME; else if (wait_ms == GC_THREAD_NOGC_SLEEP_TIME) wait_ms = GC_THREAD_MAX_SLEEP_TIME; @@ -424,7 +424,11 @@ next_step: } /* - * Calculate start block index that this node page contains + * Calculate start block index indicating the given node offset. + * Be careful, caller should give this node offset only indicating direct node + * blocks. If any node offsets, which point the other types of node blocks such + * as indirect or double indirect node blocks, are given, it must be a caller's + * bug. */ block_t start_bidx_of_node(unsigned int node_ofs) { @@ -651,62 +655,44 @@ static int do_garbage_collect(struct f2fs_sb_info *sbi, unsigned int segno, return ret; } -int f2fs_gc(struct f2fs_sb_info *sbi, int nGC) +int f2fs_gc(struct f2fs_sb_info *sbi) { - unsigned int segno; - int old_free_secs, cur_free_secs; - int gc_status, nfree; struct list_head ilist; + unsigned int segno, i; int gc_type = BG_GC; + int gc_status = GC_NONE; INIT_LIST_HEAD(&ilist); gc_more: - nfree = 0; - gc_status = GC_NONE; + if (!(sbi->sb->s_flags & MS_ACTIVE)) + goto stop; if (has_not_enough_free_secs(sbi)) - old_free_secs = reserved_sections(sbi); - else - old_free_secs = free_sections(sbi); - - while (sbi->sb->s_flags & MS_ACTIVE) { - int i; - if (has_not_enough_free_secs(sbi)) - gc_type = FG_GC; + gc_type = FG_GC; - cur_free_secs = free_sections(sbi) + nfree; + if (!__get_victim(sbi, &segno, gc_type, NO_CHECK_TYPE)) + goto stop; - /* We got free space successfully. */ - if (nGC < cur_free_secs - old_free_secs) - break; - - if (!__get_victim(sbi, &segno, gc_type, NO_CHECK_TYPE)) + for (i = 0; i < sbi->segs_per_sec; i++) { + /* + * do_garbage_collect will give us three gc_status: + * GC_ERROR, GC_DONE, and GC_BLOCKED. + * If GC is finished uncleanly, we have to return + * the victim to dirty segment list. + */ + gc_status = do_garbage_collect(sbi, segno + i, &ilist, gc_type); + if (gc_status != GC_DONE) break; - - for (i = 0; i < sbi->segs_per_sec; i++) { - /* - * do_garbage_collect will give us three gc_status: - * GC_ERROR, GC_DONE, and GC_BLOCKED. - * If GC is finished uncleanly, we have to return - * the victim to dirty segment list. - */ - gc_status = do_garbage_collect(sbi, segno + i, - &ilist, gc_type); - if (gc_status != GC_DONE) - goto stop; - nfree++; - } } -stop: - if (has_not_enough_free_secs(sbi) || gc_status == GC_BLOCKED) { + if (has_not_enough_free_secs(sbi)) { write_checkpoint(sbi, (gc_status == GC_BLOCKED), false); - if (nfree) + if (has_not_enough_free_secs(sbi)) goto gc_more; } +stop: mutex_unlock(&sbi->gc_mutex); put_gc_inode(&ilist); - BUG_ON(!list_empty(&ilist)); return gc_status; } @@ -715,7 +701,7 @@ void build_gc_manager(struct f2fs_sb_info *sbi) DIRTY_I(sbi)->v_ops = &default_v_ops; } -int create_gc_caches(void) +int __init create_gc_caches(void) { winode_slab = f2fs_kmem_cache_create("f2fs_gc_inodes", sizeof(struct inode_entry), NULL); diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c index bf20b4d03214..794241777322 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -217,6 +217,9 @@ int f2fs_write_inode(struct inode *inode, struct writeback_control *wbc) inode->i_ino == F2FS_META_INO(sbi)) return 0; + if (wbc) + f2fs_balance_fs(sbi); + node_page = get_node_page(sbi, inode->i_ino); if (IS_ERR(node_page)) return PTR_ERR(node_page); diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 5066bfd256c9..9bda63c9c166 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1124,6 +1124,12 @@ static int f2fs_write_node_page(struct page *page, return 0; } +/* + * It is very important to gather dirty pages and write at once, so that we can + * submit a big bio without interfering other data writes. + * Be default, 512 pages (2MB), a segment size, is quite reasonable. + */ +#define COLLECT_DIRTY_NODES 512 static int f2fs_write_node_pages(struct address_space *mapping, struct writeback_control *wbc) { @@ -1131,17 +1137,16 @@ static int f2fs_write_node_pages(struct address_space *mapping, struct block_device *bdev = sbi->sb->s_bdev; long nr_to_write = wbc->nr_to_write; - if (wbc->for_kupdate) - return 0; - - if (get_pages(sbi, F2FS_DIRTY_NODES) == 0) - return 0; - + /* First check balancing cached NAT entries */ if (try_to_free_nats(sbi, NAT_ENTRY_PER_BLOCK)) { write_checkpoint(sbi, false, false); return 0; } + /* collect a number of dirty node pages and write together */ + if (get_pages(sbi, F2FS_DIRTY_NODES) < COLLECT_DIRTY_NODES) + return 0; + /* if mounting is failed, skip writing node pages */ wbc->nr_to_write = bio_get_nr_vecs(bdev); sync_node_pages(sbi, 0, wbc); @@ -1732,7 +1737,7 @@ void destroy_node_manager(struct f2fs_sb_info *sbi) kfree(nm_i); } -int create_node_manager_caches(void) +int __init create_node_manager_caches(void) { nat_entry_slab = f2fs_kmem_cache_create("nat_entry", sizeof(struct nat_entry), NULL); diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c index b571fee677d5..f42e4060b399 100644 --- a/fs/f2fs/recovery.c +++ b/fs/f2fs/recovery.c @@ -67,7 +67,7 @@ static int recover_dentry(struct page *ipage, struct inode *inode) kunmap(page); f2fs_put_page(page, 0); } else { - f2fs_add_link(&dent, inode); + err = f2fs_add_link(&dent, inode); } iput(dir); out: @@ -151,7 +151,6 @@ static int find_fsync_dnodes(struct f2fs_sb_info *sbi, struct list_head *head) goto out; } - INIT_LIST_HEAD(&entry->list); list_add_tail(&entry->list, head); entry->blkaddr = blkaddr; } @@ -174,10 +173,9 @@ out: static void destroy_fsync_dnodes(struct f2fs_sb_info *sbi, struct list_head *head) { - struct list_head *this; - struct fsync_inode_entry *entry; - list_for_each(this, head) { - entry = list_entry(this, struct fsync_inode_entry, list); + struct fsync_inode_entry *entry, *tmp; + + list_for_each_entry_safe(entry, tmp, head, list) { iput(entry->inode); list_del(&entry->list); kmem_cache_free(fsync_entry_slab, entry); diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index de6240922b0a..4b0099066582 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -31,7 +31,7 @@ void f2fs_balance_fs(struct f2fs_sb_info *sbi) */ if (has_not_enough_free_secs(sbi)) { mutex_lock(&sbi->gc_mutex); - f2fs_gc(sbi, 1); + f2fs_gc(sbi); } } diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 08a94c814bdc..37fad04c8669 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -53,6 +53,18 @@ static match_table_t f2fs_tokens = { {Opt_err, NULL}, }; +void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...) +{ + struct va_format vaf; + va_list args; + + va_start(args, fmt); + vaf.fmt = fmt; + vaf.va = &args; + printk("%sF2FS-fs (%s): %pV\n", level, sb->s_id, &vaf); + va_end(args); +} + static void init_once(void *foo) { struct f2fs_inode_info *fi = (struct f2fs_inode_info *) foo; @@ -125,6 +137,8 @@ int f2fs_sync_fs(struct super_block *sb, int sync) if (sync) write_checkpoint(sbi, false, false); + else + f2fs_balance_fs(sbi); return 0; } @@ -247,7 +261,8 @@ static const struct export_operations f2fs_export_ops = { .get_parent = f2fs_get_parent, }; -static int parse_options(struct f2fs_sb_info *sbi, char *options) +static int parse_options(struct super_block *sb, struct f2fs_sb_info *sbi, + char *options) { substring_t args[MAX_OPT_ARGS]; char *p; @@ -286,7 +301,8 @@ static int parse_options(struct f2fs_sb_info *sbi, char *options) break; #else case Opt_nouser_xattr: - pr_info("nouser_xattr options not supported\n"); + f2fs_msg(sb, KERN_INFO, + "nouser_xattr options not supported"); break; #endif #ifdef CONFIG_F2FS_FS_POSIX_ACL @@ -295,7 +311,7 @@ static int parse_options(struct f2fs_sb_info *sbi, char *options) break; #else case Opt_noacl: - pr_info("noacl options not supported\n"); + f2fs_msg(sb, KERN_INFO, "noacl options not supported"); break; #endif case Opt_active_logs: @@ -309,8 +325,9 @@ static int parse_options(struct f2fs_sb_info *sbi, char *options) set_opt(sbi, DISABLE_EXT_IDENTIFY); break; default: - pr_err("Unrecognized mount option \"%s\" or missing value\n", - p); + f2fs_msg(sb, KERN_ERR, + "Unrecognized mount option \"%s\" or missing value", + p); return -EINVAL; } } @@ -337,23 +354,36 @@ static loff_t max_file_size(unsigned bits) return result; } -static int sanity_check_raw_super(struct f2fs_super_block *raw_super) +static int sanity_check_raw_super(struct super_block *sb, + struct f2fs_super_block *raw_super) { unsigned int blocksize; - if (F2FS_SUPER_MAGIC != le32_to_cpu(raw_super->magic)) + if (F2FS_SUPER_MAGIC != le32_to_cpu(raw_super->magic)) { + f2fs_msg(sb, KERN_INFO, + "Magic Mismatch, valid(0x%x) - read(0x%x)", + F2FS_SUPER_MAGIC, le32_to_cpu(raw_super->magic)); return 1; + } /* Currently, support only 4KB block size */ blocksize = 1 << le32_to_cpu(raw_super->log_blocksize); - if (blocksize != PAGE_CACHE_SIZE) + if (blocksize != PAGE_CACHE_SIZE) { + f2fs_msg(sb, KERN_INFO, + "Invalid blocksize (%u), supports only 4KB\n", + blocksize); return 1; + } if (le32_to_cpu(raw_super->log_sectorsize) != - F2FS_LOG_SECTOR_SIZE) + F2FS_LOG_SECTOR_SIZE) { + f2fs_msg(sb, KERN_INFO, "Invalid log sectorsize"); return 1; + } if (le32_to_cpu(raw_super->log_sectors_per_block) != - F2FS_LOG_SECTORS_PER_BLOCK) + F2FS_LOG_SECTORS_PER_BLOCK) { + f2fs_msg(sb, KERN_INFO, "Invalid log sectors per block"); return 1; + } return 0; } @@ -413,14 +443,17 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent) if (!sbi) return -ENOMEM; - /* set a temporary block size */ - if (!sb_set_blocksize(sb, F2FS_BLKSIZE)) + /* set a block size */ + if (!sb_set_blocksize(sb, F2FS_BLKSIZE)) { + f2fs_msg(sb, KERN_ERR, "unable to set blocksize"); goto free_sbi; + } /* read f2fs raw super block */ raw_super_buf = sb_bread(sb, 0); if (!raw_super_buf) { err = -EIO; + f2fs_msg(sb, KERN_ERR, "unable to read superblock"); goto free_sbi; } raw_super = (struct f2fs_super_block *) @@ -438,12 +471,14 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent) set_opt(sbi, POSIX_ACL); #endif /* parse mount options */ - if (parse_options(sbi, (char *)data)) + if (parse_options(sb, sbi, (char *)data)) goto free_sb_buf; /* sanity checking of raw super */ - if (sanity_check_raw_super(raw_super)) + if (sanity_check_raw_super(sb, raw_super)) { + f2fs_msg(sb, KERN_ERR, "Can't find a valid F2FS filesystem"); goto free_sb_buf; + } sb->s_maxbytes = max_file_size(le32_to_cpu(raw_super->log_blocksize)); sb->s_max_links = F2FS_LINK_MAX; @@ -477,18 +512,23 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent) /* get an inode for meta space */ sbi->meta_inode = f2fs_iget(sb, F2FS_META_INO(sbi)); if (IS_ERR(sbi->meta_inode)) { + f2fs_msg(sb, KERN_ERR, "Failed to read F2FS meta data inode"); err = PTR_ERR(sbi->meta_inode); goto free_sb_buf; } err = get_valid_checkpoint(sbi); - if (err) + if (err) { + f2fs_msg(sb, KERN_ERR, "Failed to get valid F2FS checkpoint"); goto free_meta_inode; + } /* sanity checking of checkpoint */ err = -EINVAL; - if (sanity_check_ckpt(raw_super, sbi->ckpt)) + if (sanity_check_ckpt(raw_super, sbi->ckpt)) { + f2fs_msg(sb, KERN_ERR, "Invalid F2FS checkpoint"); goto free_cp; + } sbi->total_valid_node_count = le32_to_cpu(sbi->ckpt->valid_node_count); @@ -502,25 +542,28 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent) INIT_LIST_HEAD(&sbi->dir_inode_list); spin_lock_init(&sbi->dir_inode_lock); - /* init super block */ - if (!sb_set_blocksize(sb, sbi->blocksize)) - goto free_cp; - init_orphan_info(sbi); /* setup f2fs internal modules */ err = build_segment_manager(sbi); - if (err) + if (err) { + f2fs_msg(sb, KERN_ERR, + "Failed to initialize F2FS segment manager"); goto free_sm; + } err = build_node_manager(sbi); - if (err) + if (err) { + f2fs_msg(sb, KERN_ERR, + "Failed to initialize F2FS node manager"); goto free_nm; + } build_gc_manager(sbi); /* get an inode for node space */ sbi->node_inode = f2fs_iget(sb, F2FS_NODE_INO(sbi)); if (IS_ERR(sbi->node_inode)) { + f2fs_msg(sb, KERN_ERR, "Failed to read node inode"); err = PTR_ERR(sbi->node_inode); goto free_nm; } @@ -533,6 +576,7 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent) /* read root inode and dentry */ root = f2fs_iget(sb, F2FS_ROOT_INO(sbi)); if (IS_ERR(root)) { + f2fs_msg(sb, KERN_ERR, "Failed to read root inode"); err = PTR_ERR(root); goto free_node_inode; } @@ -596,7 +640,7 @@ static struct file_system_type f2fs_fs_type = { .fs_flags = FS_REQUIRES_DEV, }; -static int init_inodecache(void) +static int __init init_inodecache(void) { f2fs_inode_cachep = f2fs_kmem_cache_create("f2fs_inode_cache", sizeof(struct f2fs_inode_info), NULL); @@ -631,14 +675,17 @@ static int __init init_f2fs_fs(void) err = create_checkpoint_caches(); if (err) goto fail; - return register_filesystem(&f2fs_fs_type); + err = register_filesystem(&f2fs_fs_type); + if (err) + goto fail; + f2fs_create_root_stats(); fail: return err; } static void __exit exit_f2fs_fs(void) { - destroy_root_stats(); + f2fs_destroy_root_stats(); unregister_filesystem(&f2fs_fs_type); destroy_checkpoint_caches(); destroy_gc_caches(); diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c index 940136a3d3a6..8038c0496504 100644 --- a/fs/f2fs/xattr.c +++ b/fs/f2fs/xattr.c @@ -318,6 +318,8 @@ int f2fs_setxattr(struct inode *inode, int name_index, const char *name, if (name_len > 255 || value_len > MAX_VALUE_LEN) return -ERANGE; + f2fs_balance_fs(sbi); + mutex_lock_op(sbi, NODE_NEW); if (!fi->i_xattr_nid) { /* Allocate new attribute block */ diff --git a/fs/fuse/Kconfig b/fs/fuse/Kconfig index 0cf160a94eda..1b2f6c2c3aaf 100644 --- a/fs/fuse/Kconfig +++ b/fs/fuse/Kconfig @@ -4,12 +4,24 @@ config FUSE_FS With FUSE it is possible to implement a fully functional filesystem in a userspace program. - There's also companion library: libfuse. This library along with - utilities is available from the FUSE homepage: + There's also a companion library: libfuse2. This library is available + from the FUSE homepage: <http://fuse.sourceforge.net/> + although chances are your distribution already has that library + installed if you've installed the "fuse" package itself. See <file:Documentation/filesystems/fuse.txt> for more information. See <file:Documentation/Changes> for needed library/utility version. If you want to develop a userspace FS, or if you want to use a filesystem based on FUSE, answer Y or M. + +config CUSE + tristate "Character device in Userspace support" + depends on FUSE_FS + help + This FUSE extension allows character devices to be + implemented in userspace. + + If you want to develop or use a userspace character device + based on CUSE, answer Y or M. diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c index ee8d55042298..e397b675b029 100644 --- a/fs/fuse/cuse.c +++ b/fs/fuse/cuse.c @@ -45,7 +45,6 @@ #include <linux/miscdevice.h> #include <linux/mutex.h> #include <linux/slab.h> -#include <linux/spinlock.h> #include <linux/stat.h> #include <linux/module.h> @@ -63,7 +62,7 @@ struct cuse_conn { bool unrestricted_ioctl; }; -static DEFINE_SPINLOCK(cuse_lock); /* protects cuse_conntbl */ +static DEFINE_MUTEX(cuse_lock); /* protects registration */ static struct list_head cuse_conntbl[CUSE_CONNTBL_LEN]; static struct class *cuse_class; @@ -114,14 +113,14 @@ static int cuse_open(struct inode *inode, struct file *file) int rc; /* look up and get the connection */ - spin_lock(&cuse_lock); + mutex_lock(&cuse_lock); list_for_each_entry(pos, cuse_conntbl_head(devt), list) if (pos->dev->devt == devt) { fuse_conn_get(&pos->fc); cc = pos; break; } - spin_unlock(&cuse_lock); + mutex_unlock(&cuse_lock); /* dead? */ if (!cc) @@ -267,7 +266,7 @@ static int cuse_parse_one(char **pp, char *end, char **keyp, char **valp) static int cuse_parse_devinfo(char *p, size_t len, struct cuse_devinfo *devinfo) { char *end = p + len; - char *key, *val; + char *uninitialized_var(key), *uninitialized_var(val); int rc; while (true) { @@ -305,14 +304,14 @@ static void cuse_gendev_release(struct device *dev) */ static void cuse_process_init_reply(struct fuse_conn *fc, struct fuse_req *req) { - struct cuse_conn *cc = fc_to_cc(fc); + struct cuse_conn *cc = fc_to_cc(fc), *pos; struct cuse_init_out *arg = req->out.args[0].value; struct page *page = req->pages[0]; struct cuse_devinfo devinfo = { }; struct device *dev; struct cdev *cdev; dev_t devt; - int rc; + int rc, i; if (req->out.h.error || arg->major != FUSE_KERNEL_VERSION || arg->minor < 11) { @@ -356,15 +355,24 @@ static void cuse_process_init_reply(struct fuse_conn *fc, struct fuse_req *req) dev_set_drvdata(dev, cc); dev_set_name(dev, "%s", devinfo.name); + mutex_lock(&cuse_lock); + + /* make sure the device-name is unique */ + for (i = 0; i < CUSE_CONNTBL_LEN; ++i) { + list_for_each_entry(pos, &cuse_conntbl[i], list) + if (!strcmp(dev_name(pos->dev), dev_name(dev))) + goto err_unlock; + } + rc = device_add(dev); if (rc) - goto err_device; + goto err_unlock; /* register cdev */ rc = -ENOMEM; cdev = cdev_alloc(); if (!cdev) - goto err_device; + goto err_unlock; cdev->owner = THIS_MODULE; cdev->ops = &cuse_frontend_fops; @@ -377,9 +385,8 @@ static void cuse_process_init_reply(struct fuse_conn *fc, struct fuse_req *req) cc->cdev = cdev; /* make the device available */ - spin_lock(&cuse_lock); list_add(&cc->list, cuse_conntbl_head(devt)); - spin_unlock(&cuse_lock); + mutex_unlock(&cuse_lock); /* announce device availability */ dev_set_uevent_suppress(dev, 0); @@ -391,7 +398,8 @@ out: err_cdev: cdev_del(cdev); -err_device: +err_unlock: + mutex_unlock(&cuse_lock); put_device(dev); err_region: unregister_chrdev_region(devt, 1); @@ -520,9 +528,9 @@ static int cuse_channel_release(struct inode *inode, struct file *file) int rc; /* remove from the conntbl, no more access from this point on */ - spin_lock(&cuse_lock); + mutex_lock(&cuse_lock); list_del_init(&cc->list); - spin_unlock(&cuse_lock); + mutex_unlock(&cuse_lock); /* remove device */ if (cc->dev) diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index c16335315e5d..e83351aa5bad 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -692,8 +692,6 @@ static int fuse_try_move_page(struct fuse_copy_state *cs, struct page **pagep) struct page *oldpage = *pagep; struct page *newpage; struct pipe_buffer *buf = cs->pipebufs; - struct address_space *mapping; - pgoff_t index; unlock_request(cs->fc, cs->req); fuse_copy_finish(cs); @@ -724,9 +722,6 @@ static int fuse_try_move_page(struct fuse_copy_state *cs, struct page **pagep) if (fuse_check_page(newpage) != 0) goto out_fallback_unlock; - mapping = oldpage->mapping; - index = oldpage->index; - /* * This is a new and locked page, it shouldn't be mapped or * have any special flags on it diff --git a/fs/fuse/file.c b/fs/fuse/file.c index e21d4d8f87e3..f3ab824fa302 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -2177,8 +2177,8 @@ fuse_direct_IO(int rw, struct kiocb *iocb, const struct iovec *iov, return ret; } -long fuse_file_fallocate(struct file *file, int mode, loff_t offset, - loff_t length) +static long fuse_file_fallocate(struct file *file, int mode, loff_t offset, + loff_t length) { struct fuse_file *ff = file->private_data; struct fuse_conn *fc = ff->fc; @@ -2213,7 +2213,6 @@ long fuse_file_fallocate(struct file *file, int mode, loff_t offset, return err; } -EXPORT_SYMBOL_GPL(fuse_file_fallocate); static const struct file_operations fuse_file_operations = { .llseek = fuse_file_llseek, diff --git a/fs/gfs2/lock_dlm.c b/fs/gfs2/lock_dlm.c index b906ed17a839..9802de0f85e6 100644 --- a/fs/gfs2/lock_dlm.c +++ b/fs/gfs2/lock_dlm.c @@ -281,6 +281,7 @@ static void gdlm_put_lock(struct gfs2_glock *gl) { struct gfs2_sbd *sdp = gl->gl_sbd; struct lm_lockstruct *ls = &sdp->sd_lockstruct; + int lvb_needs_unlock = 0; int error; if (gl->gl_lksb.sb_lkid == 0) { @@ -294,8 +295,12 @@ static void gdlm_put_lock(struct gfs2_glock *gl) gfs2_update_request_times(gl); /* don't want to skip dlm_unlock writing the lvb when lock is ex */ + + if (gl->gl_lksb.sb_lvbptr && (gl->gl_state == LM_ST_EXCLUSIVE)) + lvb_needs_unlock = 1; + if (test_bit(SDF_SKIP_DLM_UNLOCK, &sdp->sd_flags) && - gl->gl_lksb.sb_lvbptr && (gl->gl_state != LM_ST_EXCLUSIVE)) { + !lvb_needs_unlock) { gfs2_glock_free(gl); return; } diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c index a2862339323b..81cc7eaff863 100644 --- a/fs/jbd/journal.c +++ b/fs/jbd/journal.c @@ -446,7 +446,8 @@ int __log_start_commit(journal_t *journal, tid_t target) * currently running transaction (if it exists). Otherwise, * the target tid must be an old one. */ - if (journal->j_running_transaction && + if (journal->j_commit_request != target && + journal->j_running_transaction && journal->j_running_transaction->t_tid == target) { /* * We want a new commit: OK, mark the request and wakeup the diff --git a/fs/udf/super.c b/fs/udf/super.c index d44fb568abe1..e9be396a558d 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -307,7 +307,8 @@ static void udf_sb_free_partitions(struct super_block *sb) { struct udf_sb_info *sbi = UDF_SB(sb); int i; - + if (sbi->s_partmaps == NULL) + return; for (i = 0; i < sbi->s_partitions; i++) udf_free_partition(&sbi->s_partmaps[i]); kfree(sbi->s_partmaps); diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c index 26673a0b20e7..56d1614760cf 100644 --- a/fs/xfs/xfs_buf.c +++ b/fs/xfs/xfs_buf.c @@ -175,7 +175,7 @@ xfs_buf_get_maps( bp->b_map_count = map_count; if (map_count == 1) { - bp->b_maps = &bp->b_map; + bp->b_maps = &bp->__b_map; return 0; } @@ -193,7 +193,7 @@ static void xfs_buf_free_maps( struct xfs_buf *bp) { - if (bp->b_maps != &bp->b_map) { + if (bp->b_maps != &bp->__b_map) { kmem_free(bp->b_maps); bp->b_maps = NULL; } @@ -377,8 +377,8 @@ xfs_buf_allocate_memory( } use_alloc_page: - start = BBTOB(bp->b_map.bm_bn) >> PAGE_SHIFT; - end = (BBTOB(bp->b_map.bm_bn + bp->b_length) + PAGE_SIZE - 1) + start = BBTOB(bp->b_maps[0].bm_bn) >> PAGE_SHIFT; + end = (BBTOB(bp->b_maps[0].bm_bn + bp->b_length) + PAGE_SIZE - 1) >> PAGE_SHIFT; page_count = end - start; error = _xfs_buf_get_pages(bp, page_count, flags); @@ -640,7 +640,7 @@ _xfs_buf_read( xfs_buf_flags_t flags) { ASSERT(!(flags & XBF_WRITE)); - ASSERT(bp->b_map.bm_bn != XFS_BUF_DADDR_NULL); + ASSERT(bp->b_maps[0].bm_bn != XFS_BUF_DADDR_NULL); bp->b_flags &= ~(XBF_WRITE | XBF_ASYNC | XBF_READ_AHEAD); bp->b_flags |= flags & (XBF_READ | XBF_ASYNC | XBF_READ_AHEAD); @@ -1709,7 +1709,7 @@ xfs_buf_cmp( struct xfs_buf *bp = container_of(b, struct xfs_buf, b_list); xfs_daddr_t diff; - diff = ap->b_map.bm_bn - bp->b_map.bm_bn; + diff = ap->b_maps[0].bm_bn - bp->b_maps[0].bm_bn; if (diff < 0) return -1; if (diff > 0) diff --git a/fs/xfs/xfs_buf.h b/fs/xfs/xfs_buf.h index 23f5642480bb..433a12ed7b17 100644 --- a/fs/xfs/xfs_buf.h +++ b/fs/xfs/xfs_buf.h @@ -151,7 +151,7 @@ typedef struct xfs_buf { struct page **b_pages; /* array of page pointers */ struct page *b_page_array[XB_PAGES]; /* inline pages */ struct xfs_buf_map *b_maps; /* compound buffer map */ - struct xfs_buf_map b_map; /* inline compound buffer map */ + struct xfs_buf_map __b_map; /* inline compound buffer map */ int b_map_count; int b_io_length; /* IO size in BBs */ atomic_t b_pin_count; /* pin count */ @@ -330,8 +330,8 @@ void xfs_buf_stale(struct xfs_buf *bp); * In future, uncached buffers will pass the block number directly to the io * request function and hence these macros will go away at that point. */ -#define XFS_BUF_ADDR(bp) ((bp)->b_map.bm_bn) -#define XFS_BUF_SET_ADDR(bp, bno) ((bp)->b_map.bm_bn = (xfs_daddr_t)(bno)) +#define XFS_BUF_ADDR(bp) ((bp)->b_maps[0].bm_bn) +#define XFS_BUF_SET_ADDR(bp, bno) ((bp)->b_maps[0].bm_bn = (xfs_daddr_t)(bno)) static inline void xfs_buf_set_ref(struct xfs_buf *bp, int lru_ref) { diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c index becf4a97efc6..77b09750e92c 100644 --- a/fs/xfs/xfs_buf_item.c +++ b/fs/xfs/xfs_buf_item.c @@ -71,7 +71,7 @@ xfs_buf_item_log_debug( chunk_num = byte >> XFS_BLF_SHIFT; word_num = chunk_num >> BIT_TO_WORD_SHIFT; bit_num = chunk_num & (NBWORD - 1); - wordp = &(bip->bli_format.blf_data_map[word_num]); + wordp = &(bip->__bli_format.blf_data_map[word_num]); bit_set = *wordp & (1 << bit_num); ASSERT(bit_set); byte++; @@ -237,7 +237,7 @@ xfs_buf_item_size( * cancel flag in it. */ trace_xfs_buf_item_size_stale(bip); - ASSERT(bip->bli_format.blf_flags & XFS_BLF_CANCEL); + ASSERT(bip->__bli_format.blf_flags & XFS_BLF_CANCEL); return bip->bli_format_count; } @@ -278,7 +278,7 @@ xfs_buf_item_format_segment( uint buffer_offset; /* copy the flags across from the base format item */ - blfp->blf_flags = bip->bli_format.blf_flags; + blfp->blf_flags = bip->__bli_format.blf_flags; /* * Base size is the actual size of the ondisk structure - it reflects @@ -287,6 +287,17 @@ xfs_buf_item_format_segment( */ base_size = offsetof(struct xfs_buf_log_format, blf_data_map) + (blfp->blf_map_size * sizeof(blfp->blf_data_map[0])); + + nvecs = 0; + first_bit = xfs_next_bit(blfp->blf_data_map, blfp->blf_map_size, 0); + if (!(bip->bli_flags & XFS_BLI_STALE) && first_bit == -1) { + /* + * If the map is not be dirty in the transaction, mark + * the size as zero and do not advance the vector pointer. + */ + goto out; + } + vecp->i_addr = blfp; vecp->i_len = base_size; vecp->i_type = XLOG_REG_TYPE_BFORMAT; @@ -301,15 +312,13 @@ xfs_buf_item_format_segment( */ trace_xfs_buf_item_format_stale(bip); ASSERT(blfp->blf_flags & XFS_BLF_CANCEL); - blfp->blf_size = nvecs; - return vecp; + goto out; } /* * Fill in an iovec for each set of contiguous chunks. */ - first_bit = xfs_next_bit(blfp->blf_data_map, blfp->blf_map_size, 0); - ASSERT(first_bit != -1); + last_bit = first_bit; nbits = 1; for (;;) { @@ -371,7 +380,8 @@ xfs_buf_item_format_segment( nbits++; } } - bip->bli_format.blf_size = nvecs; +out: + blfp->blf_size = nvecs; return vecp; } @@ -405,7 +415,7 @@ xfs_buf_item_format( if (bip->bli_flags & XFS_BLI_INODE_BUF) { if (!((bip->bli_flags & XFS_BLI_INODE_ALLOC_BUF) && xfs_log_item_in_current_chkpt(lip))) - bip->bli_format.blf_flags |= XFS_BLF_INODE_BUF; + bip->__bli_format.blf_flags |= XFS_BLF_INODE_BUF; bip->bli_flags &= ~XFS_BLI_INODE_BUF; } @@ -485,7 +495,7 @@ xfs_buf_item_unpin( ASSERT(bip->bli_flags & XFS_BLI_STALE); ASSERT(xfs_buf_islocked(bp)); ASSERT(XFS_BUF_ISSTALE(bp)); - ASSERT(bip->bli_format.blf_flags & XFS_BLF_CANCEL); + ASSERT(bip->__bli_format.blf_flags & XFS_BLF_CANCEL); trace_xfs_buf_item_unpin_stale(bip); @@ -601,7 +611,7 @@ xfs_buf_item_unlock( { struct xfs_buf_log_item *bip = BUF_ITEM(lip); struct xfs_buf *bp = bip->bli_buf; - int aborted; + int aborted, clean, i; uint hold; /* Clear the buffer's association with this transaction. */ @@ -631,7 +641,7 @@ xfs_buf_item_unlock( */ if (bip->bli_flags & XFS_BLI_STALE) { trace_xfs_buf_item_unlock_stale(bip); - ASSERT(bip->bli_format.blf_flags & XFS_BLF_CANCEL); + ASSERT(bip->__bli_format.blf_flags & XFS_BLF_CANCEL); if (!aborted) { atomic_dec(&bip->bli_refcount); return; @@ -644,8 +654,15 @@ xfs_buf_item_unlock( * If the buf item isn't tracking any data, free it, otherwise drop the * reference we hold to it. */ - if (xfs_bitmap_empty(bip->bli_format.blf_data_map, - bip->bli_format.blf_map_size)) + clean = 1; + for (i = 0; i < bip->bli_format_count; i++) { + if (!xfs_bitmap_empty(bip->bli_formats[i].blf_data_map, + bip->bli_formats[i].blf_map_size)) { + clean = 0; + break; + } + } + if (clean) xfs_buf_item_relse(bp); else atomic_dec(&bip->bli_refcount); @@ -716,7 +733,7 @@ xfs_buf_item_get_format( bip->bli_format_count = count; if (count == 1) { - bip->bli_formats = &bip->bli_format; + bip->bli_formats = &bip->__bli_format; return 0; } @@ -731,7 +748,7 @@ STATIC void xfs_buf_item_free_format( struct xfs_buf_log_item *bip) { - if (bip->bli_formats != &bip->bli_format) { + if (bip->bli_formats != &bip->__bli_format) { kmem_free(bip->bli_formats); bip->bli_formats = NULL; } diff --git a/fs/xfs/xfs_buf_item.h b/fs/xfs/xfs_buf_item.h index 6850f49f4af3..16def435944a 100644 --- a/fs/xfs/xfs_buf_item.h +++ b/fs/xfs/xfs_buf_item.h @@ -104,7 +104,7 @@ typedef struct xfs_buf_log_item { #endif int bli_format_count; /* count of headers */ struct xfs_buf_log_format *bli_formats; /* array of in-log header ptrs */ - struct xfs_buf_log_format bli_format; /* embedded in-log header */ + struct xfs_buf_log_format __bli_format; /* embedded in-log header */ } xfs_buf_log_item_t; void xfs_buf_item_init(struct xfs_buf *, struct xfs_mount *); diff --git a/fs/xfs/xfs_dir2_block.c b/fs/xfs/xfs_dir2_block.c index 7536faaa61e7..12afe07a91d7 100644 --- a/fs/xfs/xfs_dir2_block.c +++ b/fs/xfs/xfs_dir2_block.c @@ -355,10 +355,12 @@ xfs_dir2_block_addname( /* * If need to compact the leaf entries, do it now. */ - if (compact) + if (compact) { xfs_dir2_block_compact(tp, bp, hdr, btp, blp, &needlog, &lfloghigh, &lfloglow); - else if (btp->stale) { + /* recalculate blp post-compaction */ + blp = xfs_dir2_block_leaf_p(btp); + } else if (btp->stale) { /* * Set leaf logging boundaries to impossible state. * For the no-stale case they're set explicitly. diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c index 5f53e75409b8..8a59f8546552 100644 --- a/fs/xfs/xfs_qm_syscalls.c +++ b/fs/xfs/xfs_qm_syscalls.c @@ -784,11 +784,11 @@ xfs_qm_scall_getquota( (XFS_IS_OQUOTA_ENFORCED(mp) && (dst->d_flags & (FS_PROJ_QUOTA | FS_GROUP_QUOTA)))) && dst->d_id != 0) { - if (((int) dst->d_bcount > (int) dst->d_blk_softlimit) && + if ((dst->d_bcount > dst->d_blk_softlimit) && (dst->d_blk_softlimit > 0)) { ASSERT(dst->d_btimer != 0); } - if (((int) dst->d_icount > (int) dst->d_ino_softlimit) && + if ((dst->d_icount > dst->d_ino_softlimit) && (dst->d_ino_softlimit > 0)) { ASSERT(dst->d_itimer != 0); } diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c index 4fc17d479d42..3edf5dbee001 100644 --- a/fs/xfs/xfs_trans_buf.c +++ b/fs/xfs/xfs_trans_buf.c @@ -93,7 +93,7 @@ _xfs_trans_bjoin( xfs_buf_item_init(bp, tp->t_mountp); bip = bp->b_fspriv; ASSERT(!(bip->bli_flags & XFS_BLI_STALE)); - ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_CANCEL)); + ASSERT(!(bip->__bli_format.blf_flags & XFS_BLF_CANCEL)); ASSERT(!(bip->bli_flags & XFS_BLI_LOGGED)); if (reset_recur) bip->bli_recur = 0; @@ -432,7 +432,7 @@ xfs_trans_brelse(xfs_trans_t *tp, bip = bp->b_fspriv; ASSERT(bip->bli_item.li_type == XFS_LI_BUF); ASSERT(!(bip->bli_flags & XFS_BLI_STALE)); - ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_CANCEL)); + ASSERT(!(bip->__bli_format.blf_flags & XFS_BLF_CANCEL)); ASSERT(atomic_read(&bip->bli_refcount) > 0); trace_xfs_trans_brelse(bip); @@ -519,7 +519,7 @@ xfs_trans_bhold(xfs_trans_t *tp, ASSERT(bp->b_transp == tp); ASSERT(bip != NULL); ASSERT(!(bip->bli_flags & XFS_BLI_STALE)); - ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_CANCEL)); + ASSERT(!(bip->__bli_format.blf_flags & XFS_BLF_CANCEL)); ASSERT(atomic_read(&bip->bli_refcount) > 0); bip->bli_flags |= XFS_BLI_HOLD; @@ -539,7 +539,7 @@ xfs_trans_bhold_release(xfs_trans_t *tp, ASSERT(bp->b_transp == tp); ASSERT(bip != NULL); ASSERT(!(bip->bli_flags & XFS_BLI_STALE)); - ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_CANCEL)); + ASSERT(!(bip->__bli_format.blf_flags & XFS_BLF_CANCEL)); ASSERT(atomic_read(&bip->bli_refcount) > 0); ASSERT(bip->bli_flags & XFS_BLI_HOLD); @@ -598,7 +598,7 @@ xfs_trans_log_buf(xfs_trans_t *tp, bip->bli_flags &= ~XFS_BLI_STALE; ASSERT(XFS_BUF_ISSTALE(bp)); XFS_BUF_UNSTALE(bp); - bip->bli_format.blf_flags &= ~XFS_BLF_CANCEL; + bip->__bli_format.blf_flags &= ~XFS_BLF_CANCEL; } tp->t_flags |= XFS_TRANS_DIRTY; @@ -643,6 +643,7 @@ xfs_trans_binval( xfs_buf_t *bp) { xfs_buf_log_item_t *bip = bp->b_fspriv; + int i; ASSERT(bp->b_transp == tp); ASSERT(bip != NULL); @@ -657,8 +658,8 @@ xfs_trans_binval( */ ASSERT(XFS_BUF_ISSTALE(bp)); ASSERT(!(bip->bli_flags & (XFS_BLI_LOGGED | XFS_BLI_DIRTY))); - ASSERT(!(bip->bli_format.blf_flags & XFS_BLF_INODE_BUF)); - ASSERT(bip->bli_format.blf_flags & XFS_BLF_CANCEL); + ASSERT(!(bip->__bli_format.blf_flags & XFS_BLF_INODE_BUF)); + ASSERT(bip->__bli_format.blf_flags & XFS_BLF_CANCEL); ASSERT(bip->bli_item.li_desc->lid_flags & XFS_LID_DIRTY); ASSERT(tp->t_flags & XFS_TRANS_DIRTY); return; @@ -668,10 +669,12 @@ xfs_trans_binval( bip->bli_flags |= XFS_BLI_STALE; bip->bli_flags &= ~(XFS_BLI_INODE_BUF | XFS_BLI_LOGGED | XFS_BLI_DIRTY); - bip->bli_format.blf_flags &= ~XFS_BLF_INODE_BUF; - bip->bli_format.blf_flags |= XFS_BLF_CANCEL; - memset((char *)(bip->bli_format.blf_data_map), 0, - (bip->bli_format.blf_map_size * sizeof(uint))); + bip->__bli_format.blf_flags &= ~XFS_BLF_INODE_BUF; + bip->__bli_format.blf_flags |= XFS_BLF_CANCEL; + for (i = 0; i < bip->bli_format_count; i++) { + memset(bip->bli_formats[i].blf_data_map, 0, + (bip->bli_formats[i].blf_map_size * sizeof(uint))); + } bip->bli_item.li_desc->lid_flags |= XFS_LID_DIRTY; tp->t_flags |= XFS_TRANS_DIRTY; } @@ -775,5 +778,5 @@ xfs_trans_dquot_buf( type == XFS_BLF_GDQUOT_BUF); ASSERT(atomic_read(&bip->bli_refcount) > 0); - bip->bli_format.blf_flags |= type; + bip->__bli_format.blf_flags |= type; } diff --git a/include/asm-generic/dma-mapping-broken.h b/include/asm-generic/dma-mapping-broken.h index ccf7b4f34a3c..6c32af918c2f 100644 --- a/include/asm-generic/dma-mapping-broken.h +++ b/include/asm-generic/dma-mapping-broken.h @@ -16,6 +16,22 @@ extern void dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, dma_addr_t dma_handle); +static inline void *dma_alloc_attrs(struct device *dev, size_t size, + dma_addr_t *dma_handle, gfp_t flag, + struct dma_attrs *attrs) +{ + /* attrs is not supported and ignored */ + return dma_alloc_coherent(dev, size, dma_handle, flag); +} + +static inline void dma_free_attrs(struct device *dev, size_t size, + void *cpu_addr, dma_addr_t dma_handle, + struct dma_attrs *attrs) +{ + /* attrs is not supported and ignored */ + dma_free_coherent(dev, size, cpu_addr, dma_handle); +} + #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index 701beab27aab..5cf680a98f9b 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -461,10 +461,8 @@ static inline int is_zero_pfn(unsigned long pfn) return offset_from_zero_pfn <= (zero_page_mask >> PAGE_SHIFT); } -static inline unsigned long my_zero_pfn(unsigned long addr) -{ - return page_to_pfn(ZERO_PAGE(addr)); -} +#define my_zero_pfn(addr) page_to_pfn(ZERO_PAGE(addr)) + #else static inline int is_zero_pfn(unsigned long pfn) { diff --git a/include/asm-generic/syscalls.h b/include/asm-generic/syscalls.h index 58f466ff00d3..1db51b8524e9 100644 --- a/include/asm-generic/syscalls.h +++ b/include/asm-generic/syscalls.h @@ -21,10 +21,12 @@ asmlinkage long sys_mmap(unsigned long addr, unsigned long len, unsigned long fd, off_t pgoff); #endif +#ifndef CONFIG_GENERIC_SIGALTSTACK #ifndef sys_sigaltstack asmlinkage long sys_sigaltstack(const stack_t __user *, stack_t __user *, struct pt_regs *); #endif +#endif #ifndef sys_rt_sigreturn asmlinkage long sys_rt_sigreturn(struct pt_regs *regs); diff --git a/include/linux/ata.h b/include/linux/ata.h index 408da9502177..8f7a3d68371a 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -297,10 +297,12 @@ enum { ATA_LOG_SATA_NCQ = 0x10, ATA_LOG_SATA_ID_DEV_DATA = 0x30, ATA_LOG_SATA_SETTINGS = 0x08, - ATA_LOG_DEVSLP_MDAT = 0x30, + ATA_LOG_DEVSLP_OFFSET = 0x30, + ATA_LOG_DEVSLP_SIZE = 0x08, + ATA_LOG_DEVSLP_MDAT = 0x00, ATA_LOG_DEVSLP_MDAT_MASK = 0x1F, - ATA_LOG_DEVSLP_DETO = 0x31, - ATA_LOG_DEVSLP_VALID = 0x37, + ATA_LOG_DEVSLP_DETO = 0x01, + ATA_LOG_DEVSLP_VALID = 0x07, ATA_LOG_DEVSLP_VALID_MASK = 0x80, /* READ/WRITE LONG (obsolete) */ diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h index 3711b34dc4f9..24cd1037b6d6 100644 --- a/include/linux/cpuidle.h +++ b/include/linux/cpuidle.h @@ -126,9 +126,9 @@ struct cpuidle_driver { struct module *owner; int refcnt; - unsigned int power_specified:1; /* set to 1 to use the core cpuidle time keeping (for all states). */ unsigned int en_core_tk_irqen:1; + /* states array must be ordered in decreasing power consumption */ struct cpuidle_state states[CPUIDLE_STATE_MAX]; int state_count; int safe_state_index; diff --git a/include/linux/libata.h b/include/linux/libata.h index 83ba0ab2c915..649e5f86b5f0 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -652,8 +652,8 @@ struct ata_device { u32 gscr[SATA_PMP_GSCR_DWORDS]; /* PMP GSCR block */ }; - /* Identify Device Data Log (30h), SATA Settings (page 08h) */ - u8 sata_settings[ATA_SECT_SIZE]; + /* DEVSLP Timing Variables from Identify Device Data Log */ + u8 devslp_timing[ATA_LOG_DEVSLP_SIZE]; /* error history */ int spdn_cnt; diff --git a/include/linux/mfd/abx500.h b/include/linux/mfd/abx500.h index 2138bd33021a..e53dcfeaee69 100644 --- a/include/linux/mfd/abx500.h +++ b/include/linux/mfd/abx500.h @@ -272,8 +272,6 @@ struct abx500_bm_data { const struct abx500_fg_parameters *fg_params; }; -extern struct abx500_bm_data ab8500_bm_data; - enum { NTC_EXTERNAL = 0, NTC_INTERNAL, diff --git a/include/linux/mfd/abx500/ab8500-bm.h b/include/linux/mfd/abx500/ab8500-bm.h index 44310c98ee6e..9bd037df97d9 100644 --- a/include/linux/mfd/abx500/ab8500-bm.h +++ b/include/linux/mfd/abx500/ab8500-bm.h @@ -422,7 +422,10 @@ struct ab8500_chargalg_platform_data { struct ab8500_btemp; struct ab8500_gpadc; struct ab8500_fg; + #ifdef CONFIG_AB8500_BM +extern struct abx500_bm_data ab8500_bm_data; + void ab8500_fg_reinit(void); void ab8500_charger_usb_state_changed(u8 bm_usb_state, u16 mA); struct ab8500_btemp *ab8500_btemp_get(void); @@ -434,31 +437,7 @@ int ab8500_fg_inst_curr_finalize(struct ab8500_fg *di, int *res); int ab8500_fg_inst_curr_done(struct ab8500_fg *di); #else -int ab8500_fg_inst_curr_done(struct ab8500_fg *di) -{ -} -static void ab8500_fg_reinit(void) -{ -} -static void ab8500_charger_usb_state_changed(u8 bm_usb_state, u16 mA) -{ -} -static struct ab8500_btemp *ab8500_btemp_get(void) -{ - return NULL; -} -static int ab8500_btemp_get_batctrl_temp(struct ab8500_btemp *btemp) -{ - return 0; -} -struct ab8500_fg *ab8500_fg_get(void) -{ - return NULL; -} -static int ab8500_fg_inst_curr_blocking(struct ab8500_fg *dev) -{ - return -ENODEV; -} +static struct abx500_bm_data ab8500_bm_data; static inline int ab8500_fg_inst_curr_start(struct ab8500_fg *di) { diff --git a/include/linux/mfd/da9052/da9052.h b/include/linux/mfd/da9052/da9052.h index 86dd93de6ff2..786d02eb79d2 100644 --- a/include/linux/mfd/da9052/da9052.h +++ b/include/linux/mfd/da9052/da9052.h @@ -99,6 +99,9 @@ struct da9052 { u8 chip_id; int chip_irq; + + /* SOC I/O transfer related fixes for DA9052/53 */ + int (*fix_io) (struct da9052 *da9052, unsigned char reg); }; /* ADC API */ @@ -113,32 +116,87 @@ static inline int da9052_reg_read(struct da9052 *da9052, unsigned char reg) ret = regmap_read(da9052->regmap, reg, &val); if (ret < 0) return ret; + + if (da9052->fix_io) { + ret = da9052->fix_io(da9052, reg); + if (ret < 0) + return ret; + } + return val; } static inline int da9052_reg_write(struct da9052 *da9052, unsigned char reg, unsigned char val) { - return regmap_write(da9052->regmap, reg, val); + int ret; + + ret = regmap_write(da9052->regmap, reg, val); + if (ret < 0) + return ret; + + if (da9052->fix_io) { + ret = da9052->fix_io(da9052, reg); + if (ret < 0) + return ret; + } + + return ret; } static inline int da9052_group_read(struct da9052 *da9052, unsigned char reg, unsigned reg_cnt, unsigned char *val) { - return regmap_bulk_read(da9052->regmap, reg, val, reg_cnt); + int ret; + + ret = regmap_bulk_read(da9052->regmap, reg, val, reg_cnt); + if (ret < 0) + return ret; + + if (da9052->fix_io) { + ret = da9052->fix_io(da9052, reg); + if (ret < 0) + return ret; + } + + return ret; } static inline int da9052_group_write(struct da9052 *da9052, unsigned char reg, unsigned reg_cnt, unsigned char *val) { - return regmap_raw_write(da9052->regmap, reg, val, reg_cnt); + int ret; + + ret = regmap_raw_write(da9052->regmap, reg, val, reg_cnt); + if (ret < 0) + return ret; + + if (da9052->fix_io) { + ret = da9052->fix_io(da9052, reg); + if (ret < 0) + return ret; + } + + return ret; } static inline int da9052_reg_update(struct da9052 *da9052, unsigned char reg, unsigned char bit_mask, unsigned char reg_val) { - return regmap_update_bits(da9052->regmap, reg, bit_mask, reg_val); + int ret; + + ret = regmap_update_bits(da9052->regmap, reg, bit_mask, reg_val); + if (ret < 0) + return ret; + + if (da9052->fix_io) { + ret = da9052->fix_io(da9052, reg); + if (ret < 0) + return ret; + } + + return ret; } int da9052_device_init(struct da9052 *da9052, u8 chip_id); diff --git a/include/linux/mfd/da9052/reg.h b/include/linux/mfd/da9052/reg.h index b97f7309d7f6..c4dd3a8add21 100644 --- a/include/linux/mfd/da9052/reg.h +++ b/include/linux/mfd/da9052/reg.h @@ -34,6 +34,9 @@ #define DA9052_STATUS_C_REG 3 #define DA9052_STATUS_D_REG 4 +/* PARK REGISTER */ +#define DA9052_PARK_REGISTER DA9052_STATUS_D_REG + /* EVENT REGISTERS */ #define DA9052_EVENT_A_REG 5 #define DA9052_EVENT_B_REG 6 diff --git a/include/linux/mfd/rtsx_common.h b/include/linux/mfd/rtsx_common.h index a8d393e3066b..2b13970596f5 100644 --- a/include/linux/mfd/rtsx_common.h +++ b/include/linux/mfd/rtsx_common.h @@ -38,6 +38,9 @@ #define RTSX_SD_CARD 0 #define RTSX_MS_CARD 1 +#define CLK_TO_DIV_N 0 +#define DIV_N_TO_CLK 1 + struct platform_device; struct rtsx_slot { diff --git a/include/linux/mfd/rtsx_pci.h b/include/linux/mfd/rtsx_pci.h index 060b721fcbfb..4b117a3f54d4 100644 --- a/include/linux/mfd/rtsx_pci.h +++ b/include/linux/mfd/rtsx_pci.h @@ -158,10 +158,9 @@ #define SG_TRANS_DATA (0x02 << 4) #define SG_LINK_DESC (0x03 << 4) -/* SD bank voltage */ -#define SD_IO_3V3 0 -#define SD_IO_1V8 1 - +/* Output voltage */ +#define OUTPUT_3V3 0 +#define OUTPUT_1V8 1 /* Card Clock Enable Register */ #define SD_CLK_EN 0x04 @@ -201,6 +200,20 @@ #define CHANGE_CLK 0x01 /* LDO_CTL */ +#define BPP_ASIC_1V7 0x00 +#define BPP_ASIC_1V8 0x01 +#define BPP_ASIC_1V9 0x02 +#define BPP_ASIC_2V0 0x03 +#define BPP_ASIC_2V7 0x04 +#define BPP_ASIC_2V8 0x05 +#define BPP_ASIC_3V2 0x06 +#define BPP_ASIC_3V3 0x07 +#define BPP_REG_TUNED18 0x07 +#define BPP_TUNED18_SHIFT_8402 5 +#define BPP_TUNED18_SHIFT_8411 4 +#define BPP_PAD_MASK 0x04 +#define BPP_PAD_3V3 0x04 +#define BPP_PAD_1V8 0x00 #define BPP_LDO_POWB 0x03 #define BPP_LDO_ON 0x00 #define BPP_LDO_SUSPEND 0x02 @@ -688,7 +701,10 @@ struct pcr_ops { int (*disable_auto_blink)(struct rtsx_pcr *pcr); int (*card_power_on)(struct rtsx_pcr *pcr, int card); int (*card_power_off)(struct rtsx_pcr *pcr, int card); + int (*switch_output_voltage)(struct rtsx_pcr *pcr, + u8 voltage); unsigned int (*cd_deglitch)(struct rtsx_pcr *pcr); + int (*conv_clk_and_div_n)(int clk, int dir); }; enum PDEV_STAT {PDEV_STAT_IDLE, PDEV_STAT_RUN}; @@ -783,6 +799,7 @@ int rtsx_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock, u8 ssc_depth, bool initial_mode, bool double_clk, bool vpclk); int rtsx_pci_card_power_on(struct rtsx_pcr *pcr, int card); int rtsx_pci_card_power_off(struct rtsx_pcr *pcr, int card); +int rtsx_pci_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage); unsigned int rtsx_pci_card_exist(struct rtsx_pcr *pcr); void rtsx_pci_complete_unfinished_transfer(struct rtsx_pcr *pcr); diff --git a/include/linux/module.h b/include/linux/module.h index 7760c6d344a3..1375ee3f03aa 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -199,11 +199,11 @@ struct module_use { struct module *source, *target; }; -enum module_state -{ - MODULE_STATE_LIVE, - MODULE_STATE_COMING, - MODULE_STATE_GOING, +enum module_state { + MODULE_STATE_LIVE, /* Normal state. */ + MODULE_STATE_COMING, /* Full formed, running module_init. */ + MODULE_STATE_GOING, /* Going away. */ + MODULE_STATE_UNFORMED, /* Still setting it up. */ }; /** diff --git a/arch/arm/mach-imx/iram.h b/include/linux/platform_data/imx-iram.h index 022690c33702..022690c33702 100644 --- a/arch/arm/mach-imx/iram.h +++ b/include/linux/platform_data/imx-iram.h diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h index 1693775ecfe8..89573a33ab3c 100644 --- a/include/linux/ptrace.h +++ b/include/linux/ptrace.h @@ -45,7 +45,6 @@ extern long arch_ptrace(struct task_struct *child, long request, extern int ptrace_readdata(struct task_struct *tsk, unsigned long src, char __user *dst, int len); extern int ptrace_writedata(struct task_struct *tsk, char __user *src, unsigned long dst, int len); extern void ptrace_disable(struct task_struct *); -extern int ptrace_check_attach(struct task_struct *task, bool ignore_state); extern int ptrace_request(struct task_struct *child, long request, unsigned long addr, unsigned long data); extern void ptrace_notify(int exit_code); diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h index 413cc11e414a..8da67d625e13 100644 --- a/include/linux/rwsem.h +++ b/include/linux/rwsem.h @@ -135,7 +135,7 @@ do { \ #else # define down_read_nested(sem, subclass) down_read(sem) -# define down_write_nest_lock(sem, nest_lock) down_read(sem) +# define down_write_nest_lock(sem, nest_lock) down_write(sem) # define down_write_nested(sem, subclass) down_write(sem) #endif diff --git a/include/linux/sched.h b/include/linux/sched.h index 206bb089c06b..d2112477ff5e 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1810,6 +1810,7 @@ extern void thread_group_cputime_adjusted(struct task_struct *p, cputime_t *ut, #define PF_MEMALLOC 0x00000800 /* Allocating memory */ #define PF_NPROC_EXCEEDED 0x00001000 /* set_user noticed that RLIMIT_NPROC was exceeded */ #define PF_USED_MATH 0x00002000 /* if unset the fpu must be initialized before use */ +#define PF_USED_ASYNC 0x00004000 /* used async_schedule*(), used by module init */ #define PF_NOFREEZE 0x00008000 /* this thread should not be frozen */ #define PF_FROZEN 0x00010000 /* frozen for system suspend */ #define PF_FSTRANS 0x00020000 /* inside a filesystem transaction */ @@ -2713,7 +2714,16 @@ static inline void thread_group_cputime_init(struct signal_struct *sig) extern void recalc_sigpending_and_wake(struct task_struct *t); extern void recalc_sigpending(void); -extern void signal_wake_up(struct task_struct *t, int resume_stopped); +extern void signal_wake_up_state(struct task_struct *t, unsigned int state); + +static inline void signal_wake_up(struct task_struct *t, bool resume) +{ + signal_wake_up_state(t, resume ? TASK_WAKEKILL : 0); +} +static inline void ptrace_signal_wake_up(struct task_struct *t, bool resume) +{ + signal_wake_up_state(t, resume ? __TASK_TRACED : 0); +} /* * Wrappers for p->thread_info->cpu access. No-op on UP. diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h index bd45eb7bedc8..5de7a220e986 100644 --- a/include/linux/usb/usbnet.h +++ b/include/linux/usb/usbnet.h @@ -100,6 +100,7 @@ struct driver_info { #define FLAG_LINK_INTR 0x0800 /* updates link (carrier) status */ #define FLAG_POINTTOPOINT 0x1000 /* possibly use "usb%d" names */ +#define FLAG_NOARP 0x2000 /* device can't do ARP */ /* * Indicates to usbnet, that USB driver accumulates multiple IP packets. diff --git a/include/net/ip.h b/include/net/ip.h index 0707fb9551aa..a68f838a132c 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -143,6 +143,8 @@ static inline struct sk_buff *ip_finish_skb(struct sock *sk, struct flowi4 *fl4) extern int ip4_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len); +extern void ip4_datagram_release_cb(struct sock *sk); + struct ip_reply_arg { struct kvec iov[1]; int flags; diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 7cae2360221e..663e34a5383f 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -174,6 +174,7 @@ typedef unsigned __bitwise__ sense_reason_t; enum tcm_sense_reason_table { #define R(x) (__force sense_reason_t )(x) + TCM_NO_SENSE = R(0x00), TCM_NON_EXISTENT_LUN = R(0x01), TCM_UNSUPPORTED_SCSI_OPCODE = R(0x02), TCM_INCORRECT_AMOUNT_OF_DATA = R(0x03), diff --git a/include/uapi/linux/serial_core.h b/include/uapi/linux/serial_core.h index 78f99d97475b..2c6c85f18ea0 100644 --- a/include/uapi/linux/serial_core.h +++ b/include/uapi/linux/serial_core.h @@ -50,7 +50,8 @@ #define PORT_LPC3220 22 /* NXP LPC32xx SoC "Standard" UART */ #define PORT_8250_CIR 23 /* CIR infrared port, has its own driver */ #define PORT_XR17V35X 24 /* Exar XR17V35x UARTs */ -#define PORT_MAX_8250 24 /* max port ID */ +#define PORT_BRCM_TRUMANAGE 24 +#define PORT_MAX_8250 25 /* max port ID */ /* * ARM specific type numbers. These are not currently guaranteed diff --git a/init/Kconfig b/init/Kconfig index 7d30240e5bfe..be8b7f55312d 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -1182,7 +1182,7 @@ config CC_OPTIMIZE_FOR_SIZE Enabling this option will pass "-Os" instead of "-O2" to gcc resulting in a smaller kernel. - If unsure, say Y. + If unsure, say N. config SYSCTL bool diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c index 5e4ded51788e..f9acf71b9810 100644 --- a/init/do_mounts_initrd.c +++ b/init/do_mounts_initrd.c @@ -36,6 +36,10 @@ __setup("noinitrd", no_initrd); static int init_linuxrc(struct subprocess_info *info, struct cred *new) { sys_unshare(CLONE_FS | CLONE_FILES); + /* stdin/stdout/stderr for /linuxrc */ + sys_open("/dev/console", O_RDWR, 0); + sys_dup(0); + sys_dup(0); /* move initrd over / and chdir/chroot in initrd root */ sys_chdir("/root"); sys_mount(".", "/", NULL, MS_MOVE, NULL); diff --git a/init/main.c b/init/main.c index 85d69dffe864..92d728a32d51 100644 --- a/init/main.c +++ b/init/main.c @@ -802,7 +802,7 @@ static int run_init_process(const char *init_filename) (const char __user *const __user *)envp_init); } -static void __init kernel_init_freeable(void); +static noinline void __init kernel_init_freeable(void); static int __ref kernel_init(void *unused) { @@ -845,7 +845,7 @@ static int __ref kernel_init(void *unused) "See Linux Documentation/init.txt for guidance."); } -static void __init kernel_init_freeable(void) +static noinline void __init kernel_init_freeable(void) { /* * Wait until kthreadd is all set-up. diff --git a/kernel/async.c b/kernel/async.c index 9d3118384858..6f34904a0b53 100644 --- a/kernel/async.c +++ b/kernel/async.c @@ -86,18 +86,27 @@ static atomic_t entry_count; */ static async_cookie_t __lowest_in_progress(struct async_domain *running) { + async_cookie_t first_running = next_cookie; /* infinity value */ + async_cookie_t first_pending = next_cookie; /* ditto */ struct async_entry *entry; + /* + * Both running and pending lists are sorted but not disjoint. + * Take the first cookies from both and return the min. + */ if (!list_empty(&running->domain)) { entry = list_first_entry(&running->domain, typeof(*entry), list); - return entry->cookie; + first_running = entry->cookie; } - list_for_each_entry(entry, &async_pending, list) - if (entry->running == running) - return entry->cookie; + list_for_each_entry(entry, &async_pending, list) { + if (entry->running == running) { + first_pending = entry->cookie; + break; + } + } - return next_cookie; /* "infinity" value */ + return min(first_running, first_pending); } static async_cookie_t lowest_in_progress(struct async_domain *running) @@ -118,13 +127,17 @@ static void async_run_entry_fn(struct work_struct *work) { struct async_entry *entry = container_of(work, struct async_entry, work); + struct async_entry *pos; unsigned long flags; ktime_t uninitialized_var(calltime), delta, rettime; struct async_domain *running = entry->running; - /* 1) move self to the running queue */ + /* 1) move self to the running queue, make sure it stays sorted */ spin_lock_irqsave(&async_lock, flags); - list_move_tail(&entry->list, &running->domain); + list_for_each_entry_reverse(pos, &running->domain, list) + if (entry->cookie < pos->cookie) + break; + list_move_tail(&entry->list, &pos->list); spin_unlock_irqrestore(&async_lock, flags); /* 2) run (and print duration) */ @@ -196,6 +209,9 @@ static async_cookie_t __async_schedule(async_func_ptr *ptr, void *data, struct a atomic_inc(&entry_count); spin_unlock_irqrestore(&async_lock, flags); + /* mark that this task has queued an async job, used by module init */ + current->flags |= PF_USED_ASYNC; + /* schedule for execution */ queue_work(system_unbound_wq, &entry->work); diff --git a/kernel/compat.c b/kernel/compat.c index f6150e92dfc9..36700e9e2be9 100644 --- a/kernel/compat.c +++ b/kernel/compat.c @@ -535,9 +535,11 @@ asmlinkage long compat_sys_getrusage(int who, struct compat_rusage __user *ru) return 0; } -asmlinkage long -compat_sys_wait4(compat_pid_t pid, compat_uint_t __user *stat_addr, int options, - struct compat_rusage __user *ru) +COMPAT_SYSCALL_DEFINE4(wait4, + compat_pid_t, pid, + compat_uint_t __user *, stat_addr, + int, options, + struct compat_rusage __user *, ru) { if (!ru) { return sys_wait4(pid, stat_addr, options, NULL); @@ -564,9 +566,10 @@ compat_sys_wait4(compat_pid_t pid, compat_uint_t __user *stat_addr, int options, } } -asmlinkage long compat_sys_waitid(int which, compat_pid_t pid, - struct compat_siginfo __user *uinfo, int options, - struct compat_rusage __user *uru) +COMPAT_SYSCALL_DEFINE5(waitid, + int, which, compat_pid_t, pid, + struct compat_siginfo __user *, uinfo, int, options, + struct compat_rusage __user *, uru) { siginfo_t info; struct rusage ru; @@ -584,7 +587,11 @@ asmlinkage long compat_sys_waitid(int which, compat_pid_t pid, return ret; if (uru) { - ret = put_compat_rusage(&ru, uru); + /* sys_waitid() overwrites everything in ru */ + if (COMPAT_USE_64BIT_TIME) + ret = copy_to_user(uru, &ru, sizeof(ru)); + else + ret = put_compat_rusage(&ru, uru); if (ret) return ret; } @@ -994,7 +1001,7 @@ compat_sys_rt_sigtimedwait (compat_sigset_t __user *uthese, sigset_from_compat(&s, &s32); if (uts) { - if (get_compat_timespec(&t, uts)) + if (compat_get_timespec(&t, uts)) return -EFAULT; } diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c index 4d5f8d5612f3..8875254120b6 100644 --- a/kernel/debug/kdb/kdb_main.c +++ b/kernel/debug/kdb/kdb_main.c @@ -1970,6 +1970,8 @@ static int kdb_lsmod(int argc, const char **argv) kdb_printf("Module Size modstruct Used by\n"); list_for_each_entry(mod, kdb_modules, list) { + if (mod->state == MODULE_STATE_UNFORMED) + continue; kdb_printf("%-20s%8u 0x%p ", mod->name, mod->core_size, (void *)mod); diff --git a/kernel/fork.c b/kernel/fork.c index 65ca6d27f24e..c535f33bbb9c 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1668,8 +1668,10 @@ SYSCALL_DEFINE5(clone, unsigned long, clone_flags, unsigned long, newsp, int, tls_val) #endif { - return do_fork(clone_flags, newsp, 0, - parent_tidptr, child_tidptr); + long ret = do_fork(clone_flags, newsp, 0, parent_tidptr, child_tidptr); + asmlinkage_protect(5, ret, clone_flags, newsp, + parent_tidptr, child_tidptr, tls_val); + return ret; } #endif diff --git a/kernel/module.c b/kernel/module.c index 250092c1d57d..eab08274ec9b 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -188,6 +188,7 @@ struct load_info { ongoing or failed initialization etc. */ static inline int strong_try_module_get(struct module *mod) { + BUG_ON(mod && mod->state == MODULE_STATE_UNFORMED); if (mod && mod->state == MODULE_STATE_COMING) return -EBUSY; if (try_module_get(mod)) @@ -343,6 +344,9 @@ bool each_symbol_section(bool (*fn)(const struct symsearch *arr, #endif }; + if (mod->state == MODULE_STATE_UNFORMED) + continue; + if (each_symbol_in_section(arr, ARRAY_SIZE(arr), mod, fn, data)) return true; } @@ -450,16 +454,24 @@ const struct kernel_symbol *find_symbol(const char *name, EXPORT_SYMBOL_GPL(find_symbol); /* Search for module by name: must hold module_mutex. */ -struct module *find_module(const char *name) +static struct module *find_module_all(const char *name, + bool even_unformed) { struct module *mod; list_for_each_entry(mod, &modules, list) { + if (!even_unformed && mod->state == MODULE_STATE_UNFORMED) + continue; if (strcmp(mod->name, name) == 0) return mod; } return NULL; } + +struct module *find_module(const char *name) +{ + return find_module_all(name, false); +} EXPORT_SYMBOL_GPL(find_module); #ifdef CONFIG_SMP @@ -525,6 +537,8 @@ bool is_module_percpu_address(unsigned long addr) preempt_disable(); list_for_each_entry_rcu(mod, &modules, list) { + if (mod->state == MODULE_STATE_UNFORMED) + continue; if (!mod->percpu_size) continue; for_each_possible_cpu(cpu) { @@ -1048,6 +1062,8 @@ static ssize_t show_initstate(struct module_attribute *mattr, case MODULE_STATE_GOING: state = "going"; break; + default: + BUG(); } return sprintf(buffer, "%s\n", state); } @@ -1786,6 +1802,8 @@ void set_all_modules_text_rw(void) mutex_lock(&module_mutex); list_for_each_entry_rcu(mod, &modules, list) { + if (mod->state == MODULE_STATE_UNFORMED) + continue; if ((mod->module_core) && (mod->core_text_size)) { set_page_attributes(mod->module_core, mod->module_core + mod->core_text_size, @@ -1807,6 +1825,8 @@ void set_all_modules_text_ro(void) mutex_lock(&module_mutex); list_for_each_entry_rcu(mod, &modules, list) { + if (mod->state == MODULE_STATE_UNFORMED) + continue; if ((mod->module_core) && (mod->core_text_size)) { set_page_attributes(mod->module_core, mod->module_core + mod->core_text_size, @@ -2527,6 +2547,13 @@ static int copy_module_from_fd(int fd, struct load_info *info) err = -EFBIG; goto out; } + + /* Don't hand 0 to vmalloc, it whines. */ + if (stat.size == 0) { + err = -EINVAL; + goto out; + } + info->hdr = vmalloc(stat.size); if (!info->hdr) { err = -ENOMEM; @@ -2990,8 +3017,9 @@ static bool finished_loading(const char *name) bool ret; mutex_lock(&module_mutex); - mod = find_module(name); - ret = !mod || mod->state != MODULE_STATE_COMING; + mod = find_module_all(name, true); + ret = !mod || mod->state == MODULE_STATE_LIVE + || mod->state == MODULE_STATE_GOING; mutex_unlock(&module_mutex); return ret; @@ -3013,6 +3041,12 @@ static int do_init_module(struct module *mod) { int ret = 0; + /* + * We want to find out whether @mod uses async during init. Clear + * PF_USED_ASYNC. async_schedule*() will set it. + */ + current->flags &= ~PF_USED_ASYNC; + blocking_notifier_call_chain(&module_notify_list, MODULE_STATE_COMING, mod); @@ -3058,8 +3092,25 @@ static int do_init_module(struct module *mod) blocking_notifier_call_chain(&module_notify_list, MODULE_STATE_LIVE, mod); - /* We need to finish all async code before the module init sequence is done */ - async_synchronize_full(); + /* + * We need to finish all async code before the module init sequence + * is done. This has potential to deadlock. For example, a newly + * detected block device can trigger request_module() of the + * default iosched from async probing task. Once userland helper + * reaches here, async_synchronize_full() will wait on the async + * task waiting on request_module() and deadlock. + * + * This deadlock is avoided by perfomring async_synchronize_full() + * iff module init queued any async jobs. This isn't a full + * solution as it will deadlock the same if module loading from + * async jobs nests more than once; however, due to the various + * constraints, this hack seems to be the best option for now. + * Please refer to the following thread for details. + * + * http://thread.gmane.org/gmane.linux.kernel/1420814 + */ + if (current->flags & PF_USED_ASYNC) + async_synchronize_full(); mutex_lock(&module_mutex); /* Drop initial reference. */ @@ -3113,6 +3164,32 @@ static int load_module(struct load_info *info, const char __user *uargs, goto free_copy; } + /* + * We try to place it in the list now to make sure it's unique + * before we dedicate too many resources. In particular, + * temporary percpu memory exhaustion. + */ + mod->state = MODULE_STATE_UNFORMED; +again: + mutex_lock(&module_mutex); + if ((old = find_module_all(mod->name, true)) != NULL) { + if (old->state == MODULE_STATE_COMING + || old->state == MODULE_STATE_UNFORMED) { + /* Wait in case it fails to load. */ + mutex_unlock(&module_mutex); + err = wait_event_interruptible(module_wq, + finished_loading(mod->name)); + if (err) + goto free_module; + goto again; + } + err = -EEXIST; + mutex_unlock(&module_mutex); + goto free_module; + } + list_add_rcu(&mod->list, &modules); + mutex_unlock(&module_mutex); + #ifdef CONFIG_MODULE_SIG mod->sig_ok = info->sig_ok; if (!mod->sig_ok) @@ -3122,7 +3199,7 @@ static int load_module(struct load_info *info, const char __user *uargs, /* Now module is in final location, initialize linked lists, etc. */ err = module_unload_init(mod); if (err) - goto free_module; + goto unlink_mod; /* Now we've got everything in the final locations, we can * find optional sections. */ @@ -3157,54 +3234,33 @@ static int load_module(struct load_info *info, const char __user *uargs, goto free_arch_cleanup; } - /* Mark state as coming so strong_try_module_get() ignores us. */ - mod->state = MODULE_STATE_COMING; - - /* Now sew it into the lists so we can get lockdep and oops - * info during argument parsing. No one should access us, since - * strong_try_module_get() will fail. - * lockdep/oops can run asynchronous, so use the RCU list insertion - * function to insert in a way safe to concurrent readers. - * The mutex protects against concurrent writers. - */ -again: - mutex_lock(&module_mutex); - if ((old = find_module(mod->name)) != NULL) { - if (old->state == MODULE_STATE_COMING) { - /* Wait in case it fails to load. */ - mutex_unlock(&module_mutex); - err = wait_event_interruptible(module_wq, - finished_loading(mod->name)); - if (err) - goto free_arch_cleanup; - goto again; - } - err = -EEXIST; - goto unlock; - } - - /* This has to be done once we're sure module name is unique. */ dynamic_debug_setup(info->debug, info->num_debug); - /* Find duplicate symbols */ + mutex_lock(&module_mutex); + /* Find duplicate symbols (must be called under lock). */ err = verify_export_symbols(mod); if (err < 0) - goto ddebug; + goto ddebug_cleanup; + /* This relies on module_mutex for list integrity. */ module_bug_finalize(info->hdr, info->sechdrs, mod); - list_add_rcu(&mod->list, &modules); + + /* Mark state as coming so strong_try_module_get() ignores us, + * but kallsyms etc. can see us. */ + mod->state = MODULE_STATE_COMING; + mutex_unlock(&module_mutex); /* Module is ready to execute: parsing args may do that. */ err = parse_args(mod->name, mod->args, mod->kp, mod->num_kp, -32768, 32767, &ddebug_dyndbg_module_param_cb); if (err < 0) - goto unlink; + goto bug_cleanup; /* Link in to syfs. */ err = mod_sysfs_setup(mod, info, mod->kp, mod->num_kp); if (err < 0) - goto unlink; + goto bug_cleanup; /* Get rid of temporary copy. */ free_copy(info); @@ -3214,16 +3270,13 @@ again: return do_init_module(mod); - unlink: + bug_cleanup: + /* module_bug_cleanup needs module_mutex protection */ mutex_lock(&module_mutex); - /* Unlink carefully: kallsyms could be walking list. */ - list_del_rcu(&mod->list); module_bug_cleanup(mod); - wake_up_all(&module_wq); - ddebug: - dynamic_debug_remove(info->debug); - unlock: + ddebug_cleanup: mutex_unlock(&module_mutex); + dynamic_debug_remove(info->debug); synchronize_sched(); kfree(mod->args); free_arch_cleanup: @@ -3232,6 +3285,12 @@ again: free_modinfo(mod); free_unload: module_unload_free(mod); + unlink_mod: + mutex_lock(&module_mutex); + /* Unlink carefully: kallsyms could be walking list. */ + list_del_rcu(&mod->list); + wake_up_all(&module_wq); + mutex_unlock(&module_mutex); free_module: module_deallocate(mod, info); free_copy: @@ -3354,6 +3413,8 @@ const char *module_address_lookup(unsigned long addr, preempt_disable(); list_for_each_entry_rcu(mod, &modules, list) { + if (mod->state == MODULE_STATE_UNFORMED) + continue; if (within_module_init(addr, mod) || within_module_core(addr, mod)) { if (modname) @@ -3377,6 +3438,8 @@ int lookup_module_symbol_name(unsigned long addr, char *symname) preempt_disable(); list_for_each_entry_rcu(mod, &modules, list) { + if (mod->state == MODULE_STATE_UNFORMED) + continue; if (within_module_init(addr, mod) || within_module_core(addr, mod)) { const char *sym; @@ -3401,6 +3464,8 @@ int lookup_module_symbol_attrs(unsigned long addr, unsigned long *size, preempt_disable(); list_for_each_entry_rcu(mod, &modules, list) { + if (mod->state == MODULE_STATE_UNFORMED) + continue; if (within_module_init(addr, mod) || within_module_core(addr, mod)) { const char *sym; @@ -3428,6 +3493,8 @@ int module_get_kallsym(unsigned int symnum, unsigned long *value, char *type, preempt_disable(); list_for_each_entry_rcu(mod, &modules, list) { + if (mod->state == MODULE_STATE_UNFORMED) + continue; if (symnum < mod->num_symtab) { *value = mod->symtab[symnum].st_value; *type = mod->symtab[symnum].st_info; @@ -3470,9 +3537,12 @@ unsigned long module_kallsyms_lookup_name(const char *name) ret = mod_find_symname(mod, colon+1); *colon = ':'; } else { - list_for_each_entry_rcu(mod, &modules, list) + list_for_each_entry_rcu(mod, &modules, list) { + if (mod->state == MODULE_STATE_UNFORMED) + continue; if ((ret = mod_find_symname(mod, name)) != 0) break; + } } preempt_enable(); return ret; @@ -3487,6 +3557,8 @@ int module_kallsyms_on_each_symbol(int (*fn)(void *, const char *, int ret; list_for_each_entry(mod, &modules, list) { + if (mod->state == MODULE_STATE_UNFORMED) + continue; for (i = 0; i < mod->num_symtab; i++) { ret = fn(data, mod->strtab + mod->symtab[i].st_name, mod, mod->symtab[i].st_value); @@ -3502,6 +3574,7 @@ static char *module_flags(struct module *mod, char *buf) { int bx = 0; + BUG_ON(mod->state == MODULE_STATE_UNFORMED); if (mod->taints || mod->state == MODULE_STATE_GOING || mod->state == MODULE_STATE_COMING) { @@ -3543,6 +3616,10 @@ static int m_show(struct seq_file *m, void *p) struct module *mod = list_entry(p, struct module, list); char buf[8]; + /* We always ignore unformed modules. */ + if (mod->state == MODULE_STATE_UNFORMED) + return 0; + seq_printf(m, "%s %u", mod->name, mod->init_size + mod->core_size); print_unload_info(m, mod); @@ -3603,6 +3680,8 @@ const struct exception_table_entry *search_module_extables(unsigned long addr) preempt_disable(); list_for_each_entry_rcu(mod, &modules, list) { + if (mod->state == MODULE_STATE_UNFORMED) + continue; if (mod->num_exentries == 0) continue; @@ -3651,10 +3730,13 @@ struct module *__module_address(unsigned long addr) if (addr < module_addr_min || addr > module_addr_max) return NULL; - list_for_each_entry_rcu(mod, &modules, list) + list_for_each_entry_rcu(mod, &modules, list) { + if (mod->state == MODULE_STATE_UNFORMED) + continue; if (within_module_core(addr, mod) || within_module_init(addr, mod)) return mod; + } return NULL; } EXPORT_SYMBOL_GPL(__module_address); @@ -3707,8 +3789,11 @@ void print_modules(void) printk(KERN_DEFAULT "Modules linked in:"); /* Most callers should already have preempt disabled, but make sure */ preempt_disable(); - list_for_each_entry_rcu(mod, &modules, list) + list_for_each_entry_rcu(mod, &modules, list) { + if (mod->state == MODULE_STATE_UNFORMED) + continue; printk(" %s%s", mod->name, module_flags(mod, buf)); + } preempt_enable(); if (last_unloaded_module[0]) printk(" [last unloaded: %s]", last_unloaded_module); diff --git a/kernel/ptrace.c b/kernel/ptrace.c index 1599157336a6..6cbeaae4406d 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -117,11 +117,45 @@ void __ptrace_unlink(struct task_struct *child) * TASK_KILLABLE sleeps. */ if (child->jobctl & JOBCTL_STOP_PENDING || task_is_traced(child)) - signal_wake_up(child, task_is_traced(child)); + ptrace_signal_wake_up(child, true); spin_unlock(&child->sighand->siglock); } +/* Ensure that nothing can wake it up, even SIGKILL */ +static bool ptrace_freeze_traced(struct task_struct *task) +{ + bool ret = false; + + /* Lockless, nobody but us can set this flag */ + if (task->jobctl & JOBCTL_LISTENING) + return ret; + + spin_lock_irq(&task->sighand->siglock); + if (task_is_traced(task) && !__fatal_signal_pending(task)) { + task->state = __TASK_TRACED; + ret = true; + } + spin_unlock_irq(&task->sighand->siglock); + + return ret; +} + +static void ptrace_unfreeze_traced(struct task_struct *task) +{ + if (task->state != __TASK_TRACED) + return; + + WARN_ON(!task->ptrace || task->parent != current); + + spin_lock_irq(&task->sighand->siglock); + if (__fatal_signal_pending(task)) + wake_up_state(task, __TASK_TRACED); + else + task->state = TASK_TRACED; + spin_unlock_irq(&task->sighand->siglock); +} + /** * ptrace_check_attach - check whether ptracee is ready for ptrace operation * @child: ptracee to check for @@ -139,7 +173,7 @@ void __ptrace_unlink(struct task_struct *child) * RETURNS: * 0 on success, -ESRCH if %child is not ready. */ -int ptrace_check_attach(struct task_struct *child, bool ignore_state) +static int ptrace_check_attach(struct task_struct *child, bool ignore_state) { int ret = -ESRCH; @@ -151,24 +185,29 @@ int ptrace_check_attach(struct task_struct *child, bool ignore_state) * be changed by us so it's not changing right after this. */ read_lock(&tasklist_lock); - if ((child->ptrace & PT_PTRACED) && child->parent == current) { + if (child->ptrace && child->parent == current) { + WARN_ON(child->state == __TASK_TRACED); /* * child->sighand can't be NULL, release_task() * does ptrace_unlink() before __exit_signal(). */ - spin_lock_irq(&child->sighand->siglock); - WARN_ON_ONCE(task_is_stopped(child)); - if (ignore_state || (task_is_traced(child) && - !(child->jobctl & JOBCTL_LISTENING))) + if (ignore_state || ptrace_freeze_traced(child)) ret = 0; - spin_unlock_irq(&child->sighand->siglock); } read_unlock(&tasklist_lock); - if (!ret && !ignore_state) - ret = wait_task_inactive(child, TASK_TRACED) ? 0 : -ESRCH; + if (!ret && !ignore_state) { + if (!wait_task_inactive(child, __TASK_TRACED)) { + /* + * This can only happen if may_ptrace_stop() fails and + * ptrace_stop() changes ->state back to TASK_RUNNING, + * so we should not worry about leaking __TASK_TRACED. + */ + WARN_ON(child->state == __TASK_TRACED); + ret = -ESRCH; + } + } - /* All systems go.. */ return ret; } @@ -317,7 +356,7 @@ static int ptrace_attach(struct task_struct *task, long request, */ if (task_is_stopped(task) && task_set_jobctl_pending(task, JOBCTL_TRAP_STOP | JOBCTL_TRAPPING)) - signal_wake_up(task, 1); + signal_wake_up_state(task, __TASK_STOPPED); spin_unlock(&task->sighand->siglock); @@ -737,7 +776,7 @@ int ptrace_request(struct task_struct *child, long request, * tracee into STOP. */ if (likely(task_set_jobctl_pending(child, JOBCTL_TRAP_STOP))) - signal_wake_up(child, child->jobctl & JOBCTL_LISTENING); + ptrace_signal_wake_up(child, child->jobctl & JOBCTL_LISTENING); unlock_task_sighand(child, &flags); ret = 0; @@ -763,7 +802,7 @@ int ptrace_request(struct task_struct *child, long request, * start of this trap and now. Trigger re-trap. */ if (child->jobctl & JOBCTL_TRAP_NOTIFY) - signal_wake_up(child, true); + ptrace_signal_wake_up(child, true); ret = 0; } unlock_task_sighand(child, &flags); @@ -900,6 +939,8 @@ SYSCALL_DEFINE4(ptrace, long, request, long, pid, unsigned long, addr, goto out_put_task_struct; ret = arch_ptrace(child, request, addr, data); + if (ret || request != PTRACE_DETACH) + ptrace_unfreeze_traced(child); out_put_task_struct: put_task_struct(child); @@ -1039,8 +1080,11 @@ asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid, ret = ptrace_check_attach(child, request == PTRACE_KILL || request == PTRACE_INTERRUPT); - if (!ret) + if (!ret) { ret = compat_arch_ptrace(child, request, addr, data); + if (ret || request != PTRACE_DETACH) + ptrace_unfreeze_traced(child); + } out_put_task_struct: put_task_struct(child); diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 257002c13bb0..26058d0bebba 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -1523,7 +1523,8 @@ out: */ int wake_up_process(struct task_struct *p) { - return try_to_wake_up(p, TASK_ALL, 0); + WARN_ON(task_is_stopped_or_traced(p)); + return try_to_wake_up(p, TASK_NORMAL, 0); } EXPORT_SYMBOL(wake_up_process); diff --git a/kernel/signal.c b/kernel/signal.c index 372771e948c2..3d09cf6cde75 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -680,23 +680,17 @@ int dequeue_signal(struct task_struct *tsk, sigset_t *mask, siginfo_t *info) * No need to set need_resched since signal event passing * goes through ->blocked */ -void signal_wake_up(struct task_struct *t, int resume) +void signal_wake_up_state(struct task_struct *t, unsigned int state) { - unsigned int mask; - set_tsk_thread_flag(t, TIF_SIGPENDING); - /* - * For SIGKILL, we want to wake it up in the stopped/traced/killable + * TASK_WAKEKILL also means wake it up in the stopped/traced/killable * case. We don't check t->state here because there is a race with it * executing another processor and just now entering stopped state. * By using wake_up_state, we ensure the process will wake up and * handle its death signal. */ - mask = TASK_INTERRUPTIBLE; - if (resume) - mask |= TASK_WAKEKILL; - if (!wake_up_state(t, mask)) + if (!wake_up_state(t, state | TASK_INTERRUPTIBLE)) kick_process(t); } @@ -844,7 +838,7 @@ static void ptrace_trap_notify(struct task_struct *t) assert_spin_locked(&t->sighand->siglock); task_set_jobctl_pending(t, JOBCTL_TRAP_NOTIFY); - signal_wake_up(t, t->jobctl & JOBCTL_LISTENING); + ptrace_signal_wake_up(t, t->jobctl & JOBCTL_LISTENING); } /* @@ -1800,6 +1794,10 @@ static inline int may_ptrace_stop(void) * If SIGKILL was already sent before the caller unlocked * ->siglock we must see ->core_state != NULL. Otherwise it * is safe to enter schedule(). + * + * This is almost outdated, a task with the pending SIGKILL can't + * block in TASK_TRACED. But PTRACE_EVENT_EXIT can be reported + * after SIGKILL was already dequeued. */ if (unlikely(current->mm->core_state) && unlikely(current->mm == current->parent->mm)) @@ -1925,6 +1923,7 @@ static void ptrace_stop(int exit_code, int why, int clear_code, siginfo_t *info) if (gstop_done) do_notify_parent_cldstop(current, false, why); + /* tasklist protects us from ptrace_freeze_traced() */ __set_current_state(TASK_RUNNING); if (clear_code) current->exit_code = 0; @@ -3116,8 +3115,9 @@ int __save_altstack(stack_t __user *uss, unsigned long sp) #ifdef CONFIG_COMPAT #ifdef CONFIG_GENERIC_SIGALTSTACK -asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr, - compat_stack_t __user *uoss_ptr) +COMPAT_SYSCALL_DEFINE2(sigaltstack, + const compat_stack_t __user *, uss_ptr, + compat_stack_t __user *, uoss_ptr) { stack_t uss, uoss; int ret; diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 3ffe4c5ad3f3..41473b4ad7a4 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -3998,7 +3998,7 @@ static int ftrace_module_notify(struct notifier_block *self, struct notifier_block ftrace_module_nb = { .notifier_call = ftrace_module_notify, - .priority = 0, + .priority = INT_MAX, /* Run before anything that can use kprobes */ }; extern unsigned long __start_mcount_loc[]; diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 1bbfa0446507..3c13e46d7d24 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -3454,7 +3454,7 @@ static int tracing_wait_pipe(struct file *filp) return -EINTR; /* - * We block until we read something and tracing is enabled. + * We block until we read something and tracing is disabled. * We still block if tracing is disabled, but we have never * read anything. This allows a user to cat this file, and * then enable tracing. But after we have read something, @@ -3462,7 +3462,7 @@ static int tracing_wait_pipe(struct file *filp) * * iter->pos will be 0 if we haven't read anything. */ - if (tracing_is_enabled() && iter->pos) + if (!tracing_is_enabled() && iter->pos) break; } @@ -4817,10 +4817,17 @@ rb_simple_write(struct file *filp, const char __user *ubuf, return ret; if (buffer) { - if (val) + mutex_lock(&trace_types_lock); + if (val) { ring_buffer_record_on(buffer); - else + if (current_trace->start) + current_trace->start(tr); + } else { ring_buffer_record_off(buffer); + if (current_trace->stop) + current_trace->stop(tr); + } + mutex_unlock(&trace_types_lock); } (*ppos)++; diff --git a/lib/bug.c b/lib/bug.c index a28c1415357c..d0cdf14c651a 100644 --- a/lib/bug.c +++ b/lib/bug.c @@ -55,6 +55,7 @@ static inline unsigned long bug_addr(const struct bug_entry *bug) } #ifdef CONFIG_MODULES +/* Updates are protected by module mutex */ static LIST_HEAD(module_bug_list); static const struct bug_entry *module_find_bug(unsigned long bugaddr) diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c index 7485a78484ff..ea0bd31d41c2 100644 --- a/net/batman-adv/distributed-arp-table.c +++ b/net/batman-adv/distributed-arp-table.c @@ -738,6 +738,7 @@ static uint16_t batadv_arp_get_type(struct batadv_priv *bat_priv, struct arphdr *arphdr; struct ethhdr *ethhdr; __be32 ip_src, ip_dst; + uint8_t *hw_src, *hw_dst; uint16_t type = 0; /* pull the ethernet header */ @@ -777,9 +778,23 @@ static uint16_t batadv_arp_get_type(struct batadv_priv *bat_priv, ip_src = batadv_arp_ip_src(skb, hdr_size); ip_dst = batadv_arp_ip_dst(skb, hdr_size); if (ipv4_is_loopback(ip_src) || ipv4_is_multicast(ip_src) || - ipv4_is_loopback(ip_dst) || ipv4_is_multicast(ip_dst)) + ipv4_is_loopback(ip_dst) || ipv4_is_multicast(ip_dst) || + ipv4_is_zeronet(ip_src) || ipv4_is_lbcast(ip_src) || + ipv4_is_zeronet(ip_dst) || ipv4_is_lbcast(ip_dst)) goto out; + hw_src = batadv_arp_hw_src(skb, hdr_size); + if (is_zero_ether_addr(hw_src) || is_multicast_ether_addr(hw_src)) + goto out; + + /* we don't care about the destination MAC address in ARP requests */ + if (arphdr->ar_op != htons(ARPOP_REQUEST)) { + hw_dst = batadv_arp_hw_dst(skb, hdr_size); + if (is_zero_ether_addr(hw_dst) || + is_multicast_ether_addr(hw_dst)) + goto out; + } + type = ntohs(arphdr->ar_op); out: return type; @@ -1012,6 +1027,8 @@ bool batadv_dat_snoop_incoming_arp_reply(struct batadv_priv *bat_priv, */ ret = !batadv_is_my_client(bat_priv, hw_dst); out: + if (ret) + kfree_skb(skb); /* if ret == false -> packet has to be delivered to the interface */ return ret; } diff --git a/net/core/scm.c b/net/core/scm.c index 57fb1ee6649f..905dcc6ad1e3 100644 --- a/net/core/scm.c +++ b/net/core/scm.c @@ -35,6 +35,7 @@ #include <net/sock.h> #include <net/compat.h> #include <net/scm.h> +#include <net/cls_cgroup.h> /* @@ -302,8 +303,10 @@ void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm) } /* Bump the usage count and install the file. */ sock = sock_from_file(fp[i], &err); - if (sock) + if (sock) { sock_update_netprioidx(sock->sk, current); + sock_update_classid(sock->sk, current); + } fd_install(new_fd, get_file(fp[i])); } diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c index a0d8392491c3..a69b4e4a02b5 100644 --- a/net/ipv4/ah4.c +++ b/net/ipv4/ah4.c @@ -269,7 +269,11 @@ static void ah_input_done(struct crypto_async_request *base, int err) skb->network_header += ah_hlen; memcpy(skb_network_header(skb), work_iph, ihl); __skb_pull(skb, ah_hlen + ihl); - skb_set_transport_header(skb, -ihl); + + if (x->props.mode == XFRM_MODE_TUNNEL) + skb_reset_transport_header(skb); + else + skb_set_transport_header(skb, -ihl); out: kfree(AH_SKB_CB(skb)->tmp); xfrm_input_resume(skb, err); @@ -381,7 +385,10 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb) skb->network_header += ah_hlen; memcpy(skb_network_header(skb), work_iph, ihl); __skb_pull(skb, ah_hlen + ihl); - skb_set_transport_header(skb, -ihl); + if (x->props.mode == XFRM_MODE_TUNNEL) + skb_reset_transport_header(skb); + else + skb_set_transport_header(skb, -ihl); err = nexthdr; @@ -413,9 +420,12 @@ static void ah4_err(struct sk_buff *skb, u32 info) if (!x) return; - if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH) + if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH) { + atomic_inc(&flow_cache_genid); + rt_genid_bump(net); + ipv4_update_pmtu(skb, net, info, 0, 0, IPPROTO_AH, 0); - else + } else ipv4_redirect(skb, net, 0, 0, IPPROTO_AH, 0); xfrm_state_put(x); } diff --git a/net/ipv4/datagram.c b/net/ipv4/datagram.c index 424fafbc8cb0..b28e863fe0a7 100644 --- a/net/ipv4/datagram.c +++ b/net/ipv4/datagram.c @@ -85,3 +85,28 @@ out: return err; } EXPORT_SYMBOL(ip4_datagram_connect); + +void ip4_datagram_release_cb(struct sock *sk) +{ + const struct inet_sock *inet = inet_sk(sk); + const struct ip_options_rcu *inet_opt; + __be32 daddr = inet->inet_daddr; + struct flowi4 fl4; + struct rtable *rt; + + if (! __sk_dst_get(sk) || __sk_dst_check(sk, 0)) + return; + + rcu_read_lock(); + inet_opt = rcu_dereference(inet->inet_opt); + if (inet_opt && inet_opt->opt.srr) + daddr = inet_opt->opt.faddr; + rt = ip_route_output_ports(sock_net(sk), &fl4, sk, daddr, + inet->inet_saddr, inet->inet_dport, + inet->inet_sport, sk->sk_protocol, + RT_CONN_FLAGS(sk), sk->sk_bound_dev_if); + if (!IS_ERR(rt)) + __sk_dst_set(sk, &rt->dst); + rcu_read_unlock(); +} +EXPORT_SYMBOL_GPL(ip4_datagram_release_cb); diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c index b61e9deb7c7e..3b4f0cd2e63e 100644 --- a/net/ipv4/esp4.c +++ b/net/ipv4/esp4.c @@ -346,7 +346,10 @@ static int esp_input_done2(struct sk_buff *skb, int err) pskb_trim(skb, skb->len - alen - padlen - 2); __skb_pull(skb, hlen); - skb_set_transport_header(skb, -ihl); + if (x->props.mode == XFRM_MODE_TUNNEL) + skb_reset_transport_header(skb); + else + skb_set_transport_header(skb, -ihl); err = nexthdr[1]; @@ -499,9 +502,12 @@ static void esp4_err(struct sk_buff *skb, u32 info) if (!x) return; - if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH) + if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH) { + atomic_inc(&flow_cache_genid); + rt_genid_bump(net); + ipv4_update_pmtu(skb, net, info, 0, 0, IPPROTO_ESP, 0); - else + } else ipv4_redirect(skb, net, 0, 0, IPPROTO_ESP, 0); xfrm_state_put(x); } diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index 801e02355ec4..00a14b9864ea 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -965,8 +965,12 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev ptr--; } if (tunnel->parms.o_flags&GRE_CSUM) { + int offset = skb_transport_offset(skb); + *ptr = 0; - *(__sum16 *)ptr = ip_compute_csum((void *)(iph+1), skb->len - sizeof(struct iphdr)); + *(__sum16 *)ptr = csum_fold(skb_checksum(skb, offset, + skb->len - offset, + 0)); } } diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c index d3ab47e19a89..9a46daed2f3c 100644 --- a/net/ipv4/ipcomp.c +++ b/net/ipv4/ipcomp.c @@ -47,9 +47,12 @@ static void ipcomp4_err(struct sk_buff *skb, u32 info) if (!x) return; - if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH) + if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH) { + atomic_inc(&flow_cache_genid); + rt_genid_bump(net); + ipv4_update_pmtu(skb, net, info, 0, 0, IPPROTO_COMP, 0); - else + } else ipv4_redirect(skb, net, 0, 0, IPPROTO_COMP, 0); xfrm_state_put(x); } diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index 8f3d05424a3e..6f9c07268cf6 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -738,6 +738,7 @@ struct proto ping_prot = { .recvmsg = ping_recvmsg, .bind = ping_bind, .backlog_rcv = ping_queue_rcv_skb, + .release_cb = ip4_datagram_release_cb, .hash = ping_v4_hash, .unhash = ping_v4_unhash, .get_port = ping_v4_get_port, diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index 73d1e4df4bf6..6f08991409c3 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -894,6 +894,7 @@ struct proto raw_prot = { .recvmsg = raw_recvmsg, .bind = raw_bind, .backlog_rcv = raw_rcv_skb, + .release_cb = ip4_datagram_release_cb, .hash = raw_hash_sk, .unhash = raw_unhash_sk, .obj_size = sizeof(struct raw_sock), diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 844a9ef60dbd..a0fcc47fee73 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -912,6 +912,9 @@ static void __ip_rt_update_pmtu(struct rtable *rt, struct flowi4 *fl4, u32 mtu) struct dst_entry *dst = &rt->dst; struct fib_result res; + if (dst_metric_locked(dst, RTAX_MTU)) + return; + if (dst->dev->mtu < mtu) return; @@ -962,7 +965,7 @@ void ipv4_update_pmtu(struct sk_buff *skb, struct net *net, u32 mtu, } EXPORT_SYMBOL_GPL(ipv4_update_pmtu); -void ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu) +static void __ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu) { const struct iphdr *iph = (const struct iphdr *) skb->data; struct flowi4 fl4; @@ -975,6 +978,53 @@ void ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu) ip_rt_put(rt); } } + +void ipv4_sk_update_pmtu(struct sk_buff *skb, struct sock *sk, u32 mtu) +{ + const struct iphdr *iph = (const struct iphdr *) skb->data; + struct flowi4 fl4; + struct rtable *rt; + struct dst_entry *dst; + bool new = false; + + bh_lock_sock(sk); + rt = (struct rtable *) __sk_dst_get(sk); + + if (sock_owned_by_user(sk) || !rt) { + __ipv4_sk_update_pmtu(skb, sk, mtu); + goto out; + } + + __build_flow_key(&fl4, sk, iph, 0, 0, 0, 0, 0); + + if (!__sk_dst_check(sk, 0)) { + rt = ip_route_output_flow(sock_net(sk), &fl4, sk); + if (IS_ERR(rt)) + goto out; + + new = true; + } + + __ip_rt_update_pmtu((struct rtable *) rt->dst.path, &fl4, mtu); + + dst = dst_check(&rt->dst, 0); + if (!dst) { + if (new) + dst_release(&rt->dst); + + rt = ip_route_output_flow(sock_net(sk), &fl4, sk); + if (IS_ERR(rt)) + goto out; + + new = true; + } + + if (new) + __sk_dst_set(sk, &rt->dst); + +out: + bh_unlock_sock(sk); +} EXPORT_SYMBOL_GPL(ipv4_sk_update_pmtu); void ipv4_redirect(struct sk_buff *skb, struct net *net, @@ -1120,7 +1170,7 @@ static unsigned int ipv4_mtu(const struct dst_entry *dst) if (!mtu || time_after_eq(jiffies, rt->dst.expires)) mtu = dst_metric_raw(dst, RTAX_MTU); - if (mtu && rt_is_output_route(rt)) + if (mtu) return mtu; mtu = dst->dev->mtu; diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index bbbdcc5c1973..5a1cfc692df0 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -369,11 +369,10 @@ void tcp_v4_err(struct sk_buff *icmp_skb, u32 info) * We do take care of PMTU discovery (RFC1191) special case : * we can receive locally generated ICMP messages while socket is held. */ - if (sock_owned_by_user(sk) && - type != ICMP_DEST_UNREACH && - code != ICMP_FRAG_NEEDED) - NET_INC_STATS_BH(net, LINUX_MIB_LOCKDROPPEDICMPS); - + if (sock_owned_by_user(sk)) { + if (!(type == ICMP_DEST_UNREACH && code == ICMP_FRAG_NEEDED)) + NET_INC_STATS_BH(net, LINUX_MIB_LOCKDROPPEDICMPS); + } if (sk->sk_state == TCP_CLOSE) goto out; diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index e0610e4b5158..6791aac06ea9 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -1977,6 +1977,7 @@ struct proto udp_prot = { .recvmsg = udp_recvmsg, .sendpage = udp_sendpage, .backlog_rcv = __udp_queue_rcv_skb, + .release_cb = ip4_datagram_release_cb, .hash = udp_lib_hash, .unhash = udp_lib_unhash, .rehash = udp_v4_rehash, diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c index ecc35b93314b..384233188ac1 100644 --- a/net/ipv6/ah6.c +++ b/net/ipv6/ah6.c @@ -472,7 +472,10 @@ static void ah6_input_done(struct crypto_async_request *base, int err) skb->network_header += ah_hlen; memcpy(skb_network_header(skb), work_iph, hdr_len); __skb_pull(skb, ah_hlen + hdr_len); - skb_set_transport_header(skb, -hdr_len); + if (x->props.mode == XFRM_MODE_TUNNEL) + skb_reset_transport_header(skb); + else + skb_set_transport_header(skb, -hdr_len); out: kfree(AH_SKB_CB(skb)->tmp); xfrm_input_resume(skb, err); @@ -593,9 +596,13 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb) skb->network_header += ah_hlen; memcpy(skb_network_header(skb), work_iph, hdr_len); - skb->transport_header = skb->network_header; __skb_pull(skb, ah_hlen + hdr_len); + if (x->props.mode == XFRM_MODE_TUNNEL) + skb_reset_transport_header(skb); + else + skb_set_transport_header(skb, -hdr_len); + err = nexthdr; out_free: diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c index 282f3723ee19..40ffd72243a4 100644 --- a/net/ipv6/esp6.c +++ b/net/ipv6/esp6.c @@ -300,7 +300,10 @@ static int esp_input_done2(struct sk_buff *skb, int err) pskb_trim(skb, skb->len - alen - padlen - 2); __skb_pull(skb, hlen); - skb_set_transport_header(skb, -hdr_len); + if (x->props.mode == XFRM_MODE_TUNNEL) + skb_reset_transport_header(skb); + else + skb_set_transport_header(skb, -hdr_len); err = nexthdr[1]; diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c index b4a9fd51dae7..fff5bdd8b680 100644 --- a/net/ipv6/icmp.c +++ b/net/ipv6/icmp.c @@ -81,10 +81,22 @@ static inline struct sock *icmpv6_sk(struct net *net) return net->ipv6.icmp_sk[smp_processor_id()]; } +static void icmpv6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, + u8 type, u8 code, int offset, __be32 info) +{ + struct net *net = dev_net(skb->dev); + + if (type == ICMPV6_PKT_TOOBIG) + ip6_update_pmtu(skb, net, info, 0, 0); + else if (type == NDISC_REDIRECT) + ip6_redirect(skb, net, 0, 0); +} + static int icmpv6_rcv(struct sk_buff *skb); static const struct inet6_protocol icmpv6_protocol = { .handler = icmpv6_rcv, + .err_handler = icmpv6_err, .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL, }; diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 7dea45af66d3..906b7e6dd7fb 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -1190,10 +1190,10 @@ int ip6_append_data(struct sock *sk, int getfrag(void *from, char *to, if (dst_allfrag(rt->dst.path)) cork->flags |= IPCORK_ALLFRAG; cork->length = 0; - exthdrlen = (opt ? opt->opt_flen : 0) - rt->rt6i_nfheader_len; + exthdrlen = (opt ? opt->opt_flen : 0); length += exthdrlen; transhdrlen += exthdrlen; - dst_exthdrlen = rt->dst.header_len; + dst_exthdrlen = rt->dst.header_len - rt->rt6i_nfheader_len; } else { rt = (struct rt6_info *)cork->dst; fl6 = &inet->cork.fl.u.ip6; diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c index acc32494006a..351ce98e90d9 100644 --- a/net/ipv6/ip6mr.c +++ b/net/ipv6/ip6mr.c @@ -1766,6 +1766,9 @@ int ip6_mroute_setsockopt(struct sock *sk, int optname, char __user *optval, uns return -EINVAL; if (get_user(v, (u32 __user *)optval)) return -EFAULT; + /* "pim6reg%u" should not exceed 16 bytes (IFNAMSIZ) */ + if (v != RT_TABLE_DEFAULT && v >= 100000000) + return -EINVAL; if (sk == mrt->mroute6_sk) return -EBUSY; diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c index 379c81dee9d1..9bcdbd02d777 100644 --- a/net/sctp/outqueue.c +++ b/net/sctp/outqueue.c @@ -224,7 +224,7 @@ void sctp_outq_init(struct sctp_association *asoc, struct sctp_outq *q) /* Free the outqueue structure and any related pending chunks. */ -void sctp_outq_teardown(struct sctp_outq *q) +static void __sctp_outq_teardown(struct sctp_outq *q) { struct sctp_transport *transport; struct list_head *lchunk, *temp; @@ -277,8 +277,6 @@ void sctp_outq_teardown(struct sctp_outq *q) sctp_chunk_free(chunk); } - q->error = 0; - /* Throw away any leftover control chunks. */ list_for_each_entry_safe(chunk, tmp, &q->control_chunk_list, list) { list_del_init(&chunk->list); @@ -286,11 +284,17 @@ void sctp_outq_teardown(struct sctp_outq *q) } } +void sctp_outq_teardown(struct sctp_outq *q) +{ + __sctp_outq_teardown(q); + sctp_outq_init(q->asoc, q); +} + /* Free the outqueue structure and any related pending chunks. */ void sctp_outq_free(struct sctp_outq *q) { /* Throw away leftover chunks. */ - sctp_outq_teardown(q); + __sctp_outq_teardown(q); /* If we were kmalloc()'d, free the memory. */ if (q->malloced) diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index 618ec7e216ca..5131fcfedb03 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -1779,8 +1779,10 @@ static sctp_disposition_t sctp_sf_do_dupcook_a(struct net *net, /* Update the content of current association. */ sctp_add_cmd_sf(commands, SCTP_CMD_UPDATE_ASSOC, SCTP_ASOC(new_asoc)); - sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl)); sctp_add_cmd_sf(commands, SCTP_CMD_EVENT_ULP, SCTP_ULPEVENT(ev)); + sctp_add_cmd_sf(commands, SCTP_CMD_NEW_STATE, + SCTP_STATE(SCTP_STATE_ESTABLISHED)); + sctp_add_cmd_sf(commands, SCTP_CMD_REPLY, SCTP_CHUNK(repl)); return SCTP_DISPOSITION_CONSUME; nomem_ev: diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c index 043889ac86c0..bf3c6e8fc401 100644 --- a/net/sctp/sysctl.c +++ b/net/sctp/sysctl.c @@ -366,7 +366,11 @@ int sctp_sysctl_net_register(struct net *net) void sctp_sysctl_net_unregister(struct net *net) { + struct ctl_table *table; + + table = net->sctp.sysctl_header->ctl_table_arg; unregister_net_sysctl_table(net->sctp.sysctl_header); + kfree(table); } static struct ctl_table_header * sctp_sysctl_header; diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 41eabc46f110..07c585756d2a 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -2656,7 +2656,7 @@ static void xfrm_policy_fini(struct net *net) WARN_ON(!hlist_empty(&net->xfrm.policy_inexact[dir])); htab = &net->xfrm.policy_bydst[dir]; - sz = (htab->hmask + 1); + sz = (htab->hmask + 1) * sizeof(struct hlist_head); WARN_ON(!hlist_empty(htab->table)); xfrm_hash_free(htab->table, sz); } diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c index 765f6fe951eb..35754cc8a9e5 100644 --- a/net/xfrm/xfrm_replay.c +++ b/net/xfrm/xfrm_replay.c @@ -242,11 +242,13 @@ static void xfrm_replay_advance_bmp(struct xfrm_state *x, __be32 net_seq) u32 diff; struct xfrm_replay_state_esn *replay_esn = x->replay_esn; u32 seq = ntohl(net_seq); - u32 pos = (replay_esn->seq - 1) % replay_esn->replay_window; + u32 pos; if (!replay_esn->replay_window) return; + pos = (replay_esn->seq - 1) % replay_esn->replay_window; + if (seq > replay_esn->seq) { diff = seq - replay_esn->seq; diff --git a/security/device_cgroup.c b/security/device_cgroup.c index 19ecc8de9e6b..d794abcc4b3b 100644 --- a/security/device_cgroup.c +++ b/security/device_cgroup.c @@ -215,7 +215,9 @@ static void devcgroup_css_free(struct cgroup *cgroup) struct dev_cgroup *dev_cgroup; dev_cgroup = cgroup_to_devcgroup(cgroup); + mutex_lock(&devcgroup_mutex); dev_exception_clean(dev_cgroup); + mutex_unlock(&devcgroup_mutex); kfree(dev_cgroup); } diff --git a/security/integrity/evm/evm_crypto.c b/security/integrity/evm/evm_crypto.c index dfb26918699c..7dd538ef5b83 100644 --- a/security/integrity/evm/evm_crypto.c +++ b/security/integrity/evm/evm_crypto.c @@ -205,9 +205,9 @@ int evm_update_evmxattr(struct dentry *dentry, const char *xattr_name, rc = __vfs_setxattr_noperm(dentry, XATTR_NAME_EVM, &xattr_data, sizeof(xattr_data), 0); - } - else if (rc == -ENODATA) + } else if (rc == -ENODATA && inode->i_op->removexattr) { rc = inode->i_op->removexattr(dentry, XATTR_NAME_EVM); + } return rc; } diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index b8fb0a5adb9b..822df971972c 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -3654,6 +3654,7 @@ static void hda_call_codec_resume(struct hda_codec *codec) hda_set_power_state(codec, AC_PWRST_D0); restore_shutup_pins(codec); hda_exec_init_verbs(codec); + snd_hda_jack_set_dirty_all(codec); if (codec->patch_ops.resume) codec->patch_ops.resume(codec); else { @@ -3665,10 +3666,8 @@ static void hda_call_codec_resume(struct hda_codec *codec) if (codec->jackpoll_interval) hda_jackpoll_work(&codec->jackpoll_work.work); - else { - snd_hda_jack_set_dirty_all(codec); + else snd_hda_jack_report_sync(codec); - } codec->in_pm = 0; snd_hda_power_down(codec); /* flag down before returning */ diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index dd798c3196ff..009b77a693cf 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -4636,6 +4636,12 @@ static const struct hda_codec_preset snd_hda_preset_conexant[] = { .patch = patch_conexant_auto }, { .id = 0x14f15111, .name = "CX20753/4", .patch = patch_conexant_auto }, + { .id = 0x14f15113, .name = "CX20755", + .patch = patch_conexant_auto }, + { .id = 0x14f15114, .name = "CX20756", + .patch = patch_conexant_auto }, + { .id = 0x14f15115, .name = "CX20757", + .patch = patch_conexant_auto }, {} /* terminator */ }; @@ -4659,6 +4665,9 @@ MODULE_ALIAS("snd-hda-codec-id:14f150b9"); MODULE_ALIAS("snd-hda-codec-id:14f1510f"); MODULE_ALIAS("snd-hda-codec-id:14f15110"); MODULE_ALIAS("snd-hda-codec-id:14f15111"); +MODULE_ALIAS("snd-hda-codec-id:14f15113"); +MODULE_ALIAS("snd-hda-codec-id:14f15114"); +MODULE_ALIAS("snd-hda-codec-id:14f15115"); MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Conexant HD-audio codec"); diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index b6c21ea187ca..807a2aa1ff38 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -1502,7 +1502,7 @@ static int hdmi_chmap_ctl_put(struct snd_kcontrol *kcontrol, ctl_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); substream = snd_pcm_chmap_substream(info, ctl_idx); if (!substream || !substream->runtime) - return -EBADFD; + return 0; /* just for avoiding error from alsactl restore */ switch (substream->runtime->status->state) { case SNDRV_PCM_STATE_OPEN: case SNDRV_PCM_STATE_SETUP: diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index f5196277b6e9..cf3886171109 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -6251,6 +6251,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1025, 0x0349, "Acer AOD260", ALC269_FIXUP_INV_DMIC), SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_MIC2_MUTE_LED), SND_PCI_QUIRK(0x103c, 0x1972, "HP Pavilion 17", ALC269_FIXUP_MIC1_MUTE_LED), + SND_PCI_QUIRK(0x103c, 0x1977, "HP Pavilion 14", ALC269_FIXUP_MIC1_MUTE_LED), SND_PCI_QUIRK(0x1043, 0x1427, "Asus Zenbook UX31E", ALC269VB_FIXUP_DMIC), SND_PCI_QUIRK(0x1043, 0x1517, "Asus Zenbook UX31A", ALC269VB_FIXUP_DMIC), SND_PCI_QUIRK(0x1043, 0x1a13, "Asus G73Jw", ALC269_FIXUP_ASUS_G73JW), @@ -6265,6 +6266,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x104d, 0x9084, "Sony VAIO", ALC275_FIXUP_SONY_HWEQ), SND_PCI_QUIRK_VENDOR(0x104d, "Sony VAIO", ALC269_FIXUP_SONY_VAIO), SND_PCI_QUIRK(0x1028, 0x0470, "Dell M101z", ALC269_FIXUP_DELL_M101Z), + SND_PCI_QUIRK(0x1025, 0x0740, "Acer AO725", ALC271_FIXUP_HP_GATE_MIC_JACK), SND_PCI_QUIRK(0x1025, 0x0742, "Acer AO756", ALC271_FIXUP_HP_GATE_MIC_JACK), SND_PCI_QUIRK_VENDOR(0x1025, "Acer Aspire", ALC271_FIXUP_DMIC), SND_PCI_QUIRK(0x10cf, 0x1475, "Lifebook", ALC269_FIXUP_LIFEBOOK), diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c index e71fe55cebef..0e2ed3d05c45 100644 --- a/sound/usb/mixer_maps.c +++ b/sound/usb/mixer_maps.c @@ -179,6 +179,15 @@ static struct usbmix_name_map audigy2nx_map[] = { { 0 } /* terminator */ }; +static struct usbmix_selector_map c400_selectors[] = { + { + .id = 0x80, + .count = 2, + .names = (const char*[]) {"Internal", "SPDIF"} + }, + { 0 } /* terminator */ +}; + static struct usbmix_selector_map audigy2nx_selectors[] = { { .id = 14, /* Capture Source */ @@ -367,6 +376,10 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = { .map = hercules_usb51_map, }, { + .id = USB_ID(0x0763, 0x2030), + .selector_map = c400_selectors, + }, + { .id = USB_ID(0x08bb, 0x2702), .map = linex_map, .ignore_ctl_error = 1, diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h index 78e845ec65da..64d25a7a4d59 100644 --- a/sound/usb/quirks-table.h +++ b/sound/usb/quirks-table.h @@ -2289,7 +2289,7 @@ YAMAHA_DEVICE(0x7010, "UB99"), .rate_table = (unsigned int[]) { 44100, 48000, 88200, 96000 }, - .clock = 0x81, + .clock = 0x80, } }, /* Capture */ @@ -2315,7 +2315,7 @@ YAMAHA_DEVICE(0x7010, "UB99"), .rate_table = (unsigned int[]) { 44100, 48000, 88200, 96000 }, - .clock = 0x81, + .clock = 0x80, } }, /* MIDI */ diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index acc12f004c23..2c971858d6b7 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -387,11 +387,13 @@ static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev) * rules */ err = usb_driver_set_configuration(dev, 2); - if (err < 0) { + if (err < 0) snd_printdd("error usb_driver_set_configuration: %d\n", err); - return -ENODEV; - } + /* Always return an error, so that we stop creating a device + that will just be destroyed and recreated with a new + configuration */ + return -ENODEV; } else snd_printk(KERN_INFO "usb-audio: Fast Track Pro config OK\n"); @@ -859,6 +861,17 @@ void snd_usb_endpoint_start_quirk(struct snd_usb_endpoint *ep) if ((le16_to_cpu(ep->chip->dev->descriptor.idVendor) == 0x23ba) && ep->type == SND_USB_ENDPOINT_TYPE_SYNC) ep->skip_packets = 4; + + /* + * M-Audio Fast Track C400 - when packets are not skipped, real world + * latency varies by approx. +/- 50 frames (at 96KHz) each time the + * stream is (re)started. When skipping packets 16 at endpoint start + * up, the real world latency is stable within +/- 1 frame (also + * across power cycles). + */ + if (ep->chip->usb_id == USB_ID(0x0763, 0x2030) && + ep->type == SND_USB_ENDPOINT_TYPE_DATA) + ep->skip_packets = 16; } void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe, diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST index 80db3f4bcf7a..39d41068484f 100644 --- a/tools/perf/MANIFEST +++ b/tools/perf/MANIFEST @@ -11,11 +11,21 @@ lib/rbtree.c include/linux/swab.h arch/*/include/asm/unistd*.h arch/*/include/asm/perf_regs.h +arch/*/include/uapi/asm/unistd*.h +arch/*/include/uapi/asm/perf_regs.h arch/*/lib/memcpy*.S arch/*/lib/memset*.S include/linux/poison.h include/linux/magic.h include/linux/hw_breakpoint.h +include/linux/rbtree_augmented.h +include/uapi/linux/perf_event.h +include/uapi/linux/const.h +include/uapi/linux/swab.h +include/uapi/linux/hw_breakpoint.h arch/x86/include/asm/svm.h arch/x86/include/asm/vmx.h arch/x86/include/asm/kvm_host.h +arch/x86/include/uapi/asm/svm.h +arch/x86/include/uapi/asm/vmx.h +arch/x86/include/uapi/asm/kvm.h diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 891bc77bdb2c..8ab05e543ef4 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -58,7 +58,7 @@ ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \ -e s/arm.*/arm/ -e s/sa110/arm/ \ -e s/s390x/s390/ -e s/parisc64/parisc/ \ -e s/ppc.*/powerpc/ -e s/mips.*/mips/ \ - -e s/sh[234].*/sh/ ) + -e s/sh[234].*/sh/ -e s/aarch64.*/arm64/ ) NO_PERF_REGS := 1 CC = $(CROSS_COMPILE)gcc |
