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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 

Several cases of overlapping changes, as well as one instance
(vxlan) of a bug fix in 'net' overlapping with code movement
in 'net-next'.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2016-03-08 12:34:12 -05:00
parent d66ab51442 e2857b8f11
commit 810813c47a
435 changed files with 4504 additions and 3143 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
Documentation/DocBook/media/v4l/media-types.xml
View File

@ -56,10 +56,6 @@
<entry><constant>MEDIA_ENT_F_CONN_COMPOSITE</constant></entry>
<entry>Connector for a RGB composite signal.</entry>
</row>
<row>
<entry><constant>MEDIA_ENT_F_CONN_TEST</constant></entry>
<entry>Connector for a test generator.</entry>
</row>
<row>
<entry><constant>MEDIA_ENT_F_CAM_SENSOR</constant></entry>
<entry>Camera video sensor entity.</entry>

10
Documentation/devicetree/bindings/regulator/tps65217.txt
View File

@ -26,11 +26,7 @@ Example:
ti,pmic-shutdown-controller;
regulators {
#address-cells = <1>;
#size-cells = <0>;
dcdc1_reg: dcdc1 {
reg = <0>;
regulator-min-microvolt = <900000>;
regulator-max-microvolt = <1800000>;
regulator-boot-on;
@ -38,7 +34,6 @@ Example:
};
dcdc2_reg: dcdc2 {
reg = <1>;
regulator-min-microvolt = <900000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
@ -46,7 +41,6 @@ Example:
};
dcdc3_reg: dcc3 {
reg = <2>;
regulator-min-microvolt = <900000>;
regulator-max-microvolt = <1500000>;
regulator-boot-on;
@ -54,7 +48,6 @@ Example:
};
ldo1_reg: ldo1 {
reg = <3>;
regulator-min-microvolt = <1000000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
@ -62,7 +55,6 @@ Example:
};
ldo2_reg: ldo2 {
reg = <4>;
regulator-min-microvolt = <900000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
@ -70,7 +62,6 @@ Example:
};
ldo3_reg: ldo3 {
reg = <5>;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
@ -78,7 +69,6 @@ Example:
};
ldo4_reg: ldo4 {
reg = <6>;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;

4
Documentation/watchdog/watchdog-parameters.txt
View File

@ -400,3 +400,7 @@ wm8350_wdt:
nowayout: Watchdog cannot be stopped once started
(default=kernel config parameter)
-------------------------------------------------
sun4v_wdt:
timeout_ms: Watchdog timeout in milliseconds 1..180000, default=60000)
nowayout: Watchdog cannot be stopped once started
-------------------------------------------------

48
MAINTAINERS
View File

@ -920,17 +920,24 @@ M: Emilio López <emilio@elopez.com.ar>
S: Maintained
F: drivers/clk/sunxi/
ARM/Amlogic MesonX SoC support
ARM/Amlogic Meson SoC support
M: Carlo Caione <carlo@caione.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L: linux-meson@googlegroups.com
W: http://linux-meson.com/
S: Maintained
F: drivers/media/rc/meson-ir.c
N: meson[x68]
F: arch/arm/mach-meson/
F: arch/arm/boot/dts/meson*
N: meson
ARM/Annapurna Labs ALPINE ARCHITECTURE
M: Tsahee Zidenberg <tsahee@annapurnalabs.com>
M: Antoine Tenart <antoine.tenart@free-electrons.com>
S: Maintained
F: arch/arm/mach-alpine/
F: arch/arm/boot/dts/alpine*
F: arch/arm64/boot/dts/al/
F: drivers/*/*alpine*
ARM/ATMEL AT91RM9200, AT91SAM9 AND SAMA5 SOC SUPPORT
M: Nicolas Ferre <nicolas.ferre@atmel.com>
@ -3446,7 +3453,6 @@ F: drivers/usb/dwc2/
DESIGNWARE USB3 DRD IP DRIVER
M: Felipe Balbi <balbi@kernel.org>
L: linux-usb@vger.kernel.org
L: linux-omap@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git
S: Maintained
F: drivers/usb/dwc3/
@ -4522,6 +4528,12 @@ L: linuxppc-dev@lists.ozlabs.org
S: Maintained
F: drivers/dma/fsldma.*
FREESCALE GPMI NAND DRIVER
M: Han Xu <han.xu@nxp.com>
L: linux-mtd@lists.infradead.org
S: Maintained
F: drivers/mtd/nand/gpmi-nand/*
FREESCALE I2C CPM DRIVER
M: Jochen Friedrich <jochen@scram.de>
L: linuxppc-dev@lists.ozlabs.org
@ -4538,7 +4550,7 @@ F: include/linux/platform_data/video-imxfb.h
F: drivers/video/fbdev/imxfb.c
FREESCALE QUAD SPI DRIVER
M: Han Xu <han.xu@freescale.com>
M: Han Xu <han.xu@nxp.com>
L: linux-mtd@lists.infradead.org
S: Maintained
F: drivers/mtd/spi-nor/fsl-quadspi.c
@ -4552,6 +4564,15 @@ S: Maintained
F: drivers/net/ethernet/freescale/fs_enet/
F: include/linux/fs_enet_pd.h
FREESCALE IMX / MXC FEC DRIVER
M: Fugang Duan <fugang.duan@nxp.com>
L: netdev@vger.kernel.org
S: Maintained
F: drivers/net/ethernet/freescale/fec_main.c
F: drivers/net/ethernet/freescale/fec_ptp.c
F: drivers/net/ethernet/freescale/fec.h
F: Documentation/devicetree/bindings/net/fsl-fec.txt
FREESCALE QUICC ENGINE LIBRARY
L: linuxppc-dev@lists.ozlabs.org
S: Orphan
@ -6769,6 +6790,7 @@ S: Maintained
F: Documentation/networking/mac80211-injection.txt
F: include/net/mac80211.h
F: net/mac80211/
F: drivers/net/wireless/mac80211_hwsim.[ch]
MACVLAN DRIVER
M: Patrick McHardy <kaber@trash.net>
@ -7365,7 +7387,7 @@ F: drivers/tty/isicom.c
F: include/linux/isicom.h
MUSB MULTIPOINT HIGH SPEED DUAL-ROLE CONTROLLER
M: Felipe Balbi <balbi@kernel.org>
M: Bin Liu <b-liu@ti.com>
L: linux-usb@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git
S: Maintained
@ -7696,13 +7718,13 @@ S: Maintained
F: arch/nios2/
NOKIA N900 POWER SUPPLY DRIVERS
M: Pali Rohár <pali.rohar@gmail.com>
S: Maintained
R: Pali Rohár <pali.rohar@gmail.com>
F: include/linux/power/bq2415x_charger.h
F: include/linux/power/bq27xxx_battery.h
F: include/linux/power/isp1704_charger.h
F: drivers/power/bq2415x_charger.c
F: drivers/power/bq27xxx_battery.c
F: drivers/power/bq27xxx_battery_i2c.c
F: drivers/power/isp1704_charger.c
F: drivers/power/rx51_battery.c
@ -7933,11 +7955,9 @@ F: drivers/media/platform/omap3isp/
F: drivers/staging/media/omap4iss/
OMAP USB SUPPORT
M: Felipe Balbi <balbi@kernel.org>
L: linux-usb@vger.kernel.org
L: linux-omap@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git
S: Maintained
S: Orphan
F: drivers/usb/*/*omap*
F: arch/arm/*omap*/usb*
@ -9572,6 +9592,12 @@ M: Andreas Noever <andreas.noever@gmail.com>
S: Maintained
F: drivers/thunderbolt/
TI BQ27XXX POWER SUPPLY DRIVER
R: Andrew F. Davis <afd@ti.com>
F: include/linux/power/bq27xxx_battery.h
F: drivers/power/bq27xxx_battery.c
F: drivers/power/bq27xxx_battery_i2c.c
TIMEKEEPING, CLOCKSOURCE CORE, NTP, ALARMTIMER
M: John Stultz <john.stultz@linaro.org>
M: Thomas Gleixner <tglx@linutronix.de>

2
Makefile
View File

@ -1,7 +1,7 @@
VERSION = 4
PATCHLEVEL = 5
SUBLEVEL = 0
EXTRAVERSION = -rc5
EXTRAVERSION = -rc7
NAME = Blurry Fish Butt
# *DOCUMENTATION*

18
arch/arc/Kconfig
View File

@ -12,8 +12,6 @@ config ARC
select BUILDTIME_EXTABLE_SORT
select COMMON_CLK
select CLONE_BACKWARDS
# ARC Busybox based initramfs absolutely relies on DEVTMPFS for /dev
select DEVTMPFS if !INITRAMFS_SOURCE=""
select GENERIC_ATOMIC64
select GENERIC_CLOCKEVENTS
select GENERIC_FIND_FIRST_BIT
@ -275,14 +273,6 @@ config ARC_DCCM_BASE
default "0xA0000000"
depends on ARC_HAS_DCCM
config ARC_HAS_HW_MPY
bool "Use Hardware Multiplier (Normal or Faster XMAC)"
default y
help
Influences how gcc generates code for MPY operations.
If enabled, MPYxx insns are generated, provided by Standard/XMAC
Multipler. Otherwise software multipy lib is used
choice
prompt "MMU Version"
default ARC_MMU_V3 if ARC_CPU_770
@ -542,14 +532,6 @@ config ARC_DBG_TLB_MISS_COUNT
Counts number of I and D TLB Misses and exports them via Debugfs
The counters can be cleared via Debugfs as well
if SMP
config ARC_IPI_DBG
bool "Debug Inter Core interrupts"
default n
endif
endif
config ARC_UBOOT_SUPPORT

4
arch/arc/Makefile
View File

@ -74,10 +74,6 @@ ldflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB
# --build-id w/o "-marclinux". Default arc-elf32-ld is OK
ldflags-$(upto_gcc44) += -marclinux
ifndef CONFIG_ARC_HAS_HW_MPY
cflags-y += -mno-mpy
endif
LIBGCC := $(shell $(CC) $(cflags-y) --print-libgcc-file-name)
# Modules with short calls might break for calls into builtin-kernel

4
arch/arc/configs/axs101_defconfig
View File

@ -39,6 +39,7 @@ CONFIG_IP_PNP_RARP=y
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_BEET is not set
# CONFIG_IPV6 is not set
CONFIG_DEVTMPFS=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FIRMWARE_IN_KERNEL is not set
@ -73,7 +74,6 @@ CONFIG_I2C_CHARDEV=y
CONFIG_I2C_DESIGNWARE_PLATFORM=y
# CONFIG_HWMON is not set
CONFIG_FB=y
# CONFIG_VGA_CONSOLE is not set
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
CONFIG_LOGO=y
@ -91,12 +91,10 @@ CONFIG_MMC_SDHCI_PLTFM=y
CONFIG_MMC_DW=y
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_EXT3_FS=y
CONFIG_EXT4_FS=y
CONFIG_MSDOS_FS=y
CONFIG_VFAT_FS=y
CONFIG_NTFS_FS=y
CONFIG_TMPFS=y
CONFIG_JFFS2_FS=y
CONFIG_NFS_FS=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y

10
arch/arc/configs/axs103_defconfig
View File

@ -39,14 +39,10 @@ CONFIG_IP_PNP_RARP=y
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_BEET is not set
# CONFIG_IPV6 is not set
CONFIG_DEVTMPFS=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FIRMWARE_IN_KERNEL is not set
CONFIG_MTD=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_NAND=y
CONFIG_MTD_NAND_AXS=y
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_NETDEVICES=y
@ -78,14 +74,12 @@ CONFIG_I2C_CHARDEV=y
CONFIG_I2C_DESIGNWARE_PLATFORM=y
# CONFIG_HWMON is not set
CONFIG_FB=y
# CONFIG_VGA_CONSOLE is not set
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
CONFIG_LOGO=y
# CONFIG_LOGO_LINUX_MONO is not set
# CONFIG_LOGO_LINUX_VGA16 is not set
# CONFIG_LOGO_LINUX_CLUT224 is not set
CONFIG_USB=y
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_HCD_PLATFORM=y
CONFIG_USB_OHCI_HCD=y
@ -97,12 +91,10 @@ CONFIG_MMC_SDHCI_PLTFM=y
CONFIG_MMC_DW=y
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_EXT3_FS=y
CONFIG_EXT4_FS=y
CONFIG_MSDOS_FS=y
CONFIG_VFAT_FS=y
CONFIG_NTFS_FS=y
CONFIG_TMPFS=y
CONFIG_JFFS2_FS=y
CONFIG_NFS_FS=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y

10
arch/arc/configs/axs103_smp_defconfig
View File

@ -40,14 +40,10 @@ CONFIG_IP_PNP_RARP=y
# CONFIG_INET_XFRM_MODE_TUNNEL is not set
# CONFIG_INET_XFRM_MODE_BEET is not set
# CONFIG_IPV6 is not set
CONFIG_DEVTMPFS=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FIRMWARE_IN_KERNEL is not set
CONFIG_MTD=y
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_BLOCK=y
CONFIG_MTD_NAND=y
CONFIG_MTD_NAND_AXS=y
CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_NETDEVICES=y
@ -79,14 +75,12 @@ CONFIG_I2C_CHARDEV=y
CONFIG_I2C_DESIGNWARE_PLATFORM=y
# CONFIG_HWMON is not set
CONFIG_FB=y
# CONFIG_VGA_CONSOLE is not set
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
CONFIG_LOGO=y
# CONFIG_LOGO_LINUX_MONO is not set
# CONFIG_LOGO_LINUX_VGA16 is not set
# CONFIG_LOGO_LINUX_CLUT224 is not set
CONFIG_USB=y
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_EHCI_HCD_PLATFORM=y
CONFIG_USB_OHCI_HCD=y
@ -98,12 +92,10 @@ CONFIG_MMC_SDHCI_PLTFM=y
CONFIG_MMC_DW=y
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_EXT3_FS=y
CONFIG_EXT4_FS=y
CONFIG_MSDOS_FS=y
CONFIG_VFAT_FS=y
CONFIG_NTFS_FS=y
CONFIG_TMPFS=y
CONFIG_JFFS2_FS=y
CONFIG_NFS_FS=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_ISO8859_1=y

5
arch/arc/configs/nsim_700_defconfig
View File

@ -4,6 +4,7 @@ CONFIG_DEFAULT_HOSTNAME="ARCLinux"
# CONFIG_SWAP is not set
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
# CONFIG_CROSS_MEMORY_ATTACH is not set
CONFIG_HIGH_RES_TIMERS=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
@ -26,7 +27,6 @@ CONFIG_ARC_PLAT_SIM=y
CONFIG_ARC_BUILTIN_DTB_NAME="nsim_700"
CONFIG_PREEMPT=y
# CONFIG_COMPACTION is not set
# CONFIG_CROSS_MEMORY_ATTACH is not set
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
@ -34,6 +34,7 @@ CONFIG_UNIX_DIAG=y
CONFIG_NET_KEY=y
CONFIG_INET=y
# CONFIG_IPV6 is not set
CONFIG_DEVTMPFS=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FIRMWARE_IN_KERNEL is not set
@ -51,7 +52,6 @@ CONFIG_SERIAL_ARC=y
CONFIG_SERIAL_ARC_CONSOLE=y
# CONFIG_HW_RANDOM is not set
# CONFIG_HWMON is not set
# CONFIG_VGA_CONSOLE is not set
# CONFIG_HID is not set
# CONFIG_USB_SUPPORT is not set
# CONFIG_IOMMU_SUPPORT is not set
@ -63,4 +63,3 @@ CONFIG_NFS_FS=y
# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
# CONFIG_DEBUG_PREEMPT is not set
CONFIG_XZ_DEC=y

3
arch/arc/configs/nsim_hs_defconfig
View File

@ -35,6 +35,7 @@ CONFIG_UNIX_DIAG=y
CONFIG_NET_KEY=y
CONFIG_INET=y
# CONFIG_IPV6 is not set
CONFIG_DEVTMPFS=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FIRMWARE_IN_KERNEL is not set
@ -49,7 +50,6 @@ CONFIG_SERIAL_ARC=y
CONFIG_SERIAL_ARC_CONSOLE=y
# CONFIG_HW_RANDOM is not set
# CONFIG_HWMON is not set
# CONFIG_VGA_CONSOLE is not set
# CONFIG_HID is not set
# CONFIG_USB_SUPPORT is not set
# CONFIG_IOMMU_SUPPORT is not set
@ -61,4 +61,3 @@ CONFIG_NFS_FS=y
# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
# CONFIG_DEBUG_PREEMPT is not set
CONFIG_XZ_DEC=y

6
arch/arc/configs/nsim_hs_smp_defconfig
View File

@ -2,6 +2,7 @@ CONFIG_CROSS_COMPILE="arc-linux-"
# CONFIG_LOCALVERSION_AUTO is not set
CONFIG_DEFAULT_HOSTNAME="ARCLinux"
# CONFIG_SWAP is not set
# CONFIG_CROSS_MEMORY_ATTACH is not set
CONFIG_HIGH_RES_TIMERS=y
CONFIG_IKCONFIG=y
CONFIG_IKCONFIG_PROC=y
@ -21,13 +22,11 @@ CONFIG_MODULES=y
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
CONFIG_ARC_PLAT_SIM=y
CONFIG_ARC_BOARD_ML509=y
CONFIG_ISA_ARCV2=y
CONFIG_SMP=y
CONFIG_ARC_BUILTIN_DTB_NAME="nsim_hs_idu"
CONFIG_PREEMPT=y
# CONFIG_COMPACTION is not set
# CONFIG_CROSS_MEMORY_ATTACH is not set
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
@ -35,6 +34,7 @@ CONFIG_UNIX_DIAG=y
CONFIG_NET_KEY=y
CONFIG_INET=y
# CONFIG_IPV6 is not set
CONFIG_DEVTMPFS=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FIRMWARE_IN_KERNEL is not set
@ -49,7 +49,6 @@ CONFIG_SERIAL_ARC=y
CONFIG_SERIAL_ARC_CONSOLE=y
# CONFIG_HW_RANDOM is not set
# CONFIG_HWMON is not set
# CONFIG_VGA_CONSOLE is not set
# CONFIG_HID is not set
# CONFIG_USB_SUPPORT is not set
# CONFIG_IOMMU_SUPPORT is not set
@ -60,4 +59,3 @@ CONFIG_TMPFS=y
CONFIG_NFS_FS=y
# CONFIG_ENABLE_WARN_DEPRECATED is not set
# CONFIG_ENABLE_MUST_CHECK is not set
CONFIG_XZ_DEC=y

2
arch/arc/configs/nsimosci_defconfig
View File

@ -33,6 +33,7 @@ CONFIG_UNIX_DIAG=y
CONFIG_NET_KEY=y
CONFIG_INET=y
# CONFIG_IPV6 is not set
CONFIG_DEVTMPFS=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FIRMWARE_IN_KERNEL is not set
@ -58,7 +59,6 @@ CONFIG_SERIAL_OF_PLATFORM=y
# CONFIG_HW_RANDOM is not set
# CONFIG_HWMON is not set
CONFIG_FB=y
# CONFIG_VGA_CONSOLE is not set
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_LOGO=y
# CONFIG_HID is not set

3
arch/arc/configs/nsimosci_hs_defconfig
View File

@ -34,12 +34,12 @@ CONFIG_UNIX_DIAG=y
CONFIG_NET_KEY=y
CONFIG_INET=y
# CONFIG_IPV6 is not set
CONFIG_DEVTMPFS=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FIRMWARE_IN_KERNEL is not set
# CONFIG_BLK_DEV is not set
CONFIG_NETDEVICES=y
CONFIG_NET_OSCI_LAN=y
CONFIG_INPUT_EVDEV=y
# CONFIG_MOUSE_PS2_ALPS is not set
# CONFIG_MOUSE_PS2_LOGIPS2PP is not set
@ -58,7 +58,6 @@ CONFIG_SERIAL_OF_PLATFORM=y
# CONFIG_HW_RANDOM is not set
# CONFIG_HWMON is not set
CONFIG_FB=y
# CONFIG_VGA_CONSOLE is not set
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_LOGO=y
# CONFIG_HID is not set

12
arch/arc/configs/nsimosci_hs_smp_defconfig
View File

@ -2,6 +2,7 @@ CONFIG_CROSS_COMPILE="arc-linux-"
CONFIG_DEFAULT_HOSTNAME="ARCLinux"
# CONFIG_SWAP is not set
CONFIG_SYSVIPC=y
# CONFIG_CROSS_MEMORY_ATTACH is not set
CONFIG_NO_HZ=y
CONFIG_HIGH_RES_TIMERS=y
CONFIG_IKCONFIG=y
@ -18,15 +19,11 @@ CONFIG_MODULES=y
# CONFIG_IOSCHED_DEADLINE is not set
# CONFIG_IOSCHED_CFQ is not set
CONFIG_ARC_PLAT_SIM=y
CONFIG_ARC_BOARD_ML509=y
CONFIG_ISA_ARCV2=y
CONFIG_SMP=y
CONFIG_ARC_HAS_LL64=y
# CONFIG_ARC_HAS_RTSC is not set
CONFIG_ARC_BUILTIN_DTB_NAME="nsimosci_hs_idu"
CONFIG_PREEMPT=y
# CONFIG_COMPACTION is not set
# CONFIG_CROSS_MEMORY_ATTACH is not set
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_PACKET_DIAG=y
@ -40,6 +37,7 @@ CONFIG_INET=y
# CONFIG_INET_LRO is not set
# CONFIG_IPV6 is not set
# CONFIG_WIRELESS is not set
CONFIG_DEVTMPFS=y
# CONFIG_STANDALONE is not set
# CONFIG_PREVENT_FIRMWARE_BUILD is not set
# CONFIG_FIRMWARE_IN_KERNEL is not set
@ -56,14 +54,11 @@ CONFIG_NETDEVICES=y
# CONFIG_NET_VENDOR_STMICRO is not set
# CONFIG_NET_VENDOR_VIA is not set
# CONFIG_NET_VENDOR_WIZNET is not set
CONFIG_NET_OSCI_LAN=y
# CONFIG_WLAN is not set
CONFIG_INPUT_EVDEV=y
CONFIG_MOUSE_PS2_TOUCHKIT=y
# CONFIG_SERIO_SERPORT is not set
CONFIG_SERIO_LIBPS2=y
CONFIG_SERIO_ARC_PS2=y
CONFIG_VT_HW_CONSOLE_BINDING=y
# CONFIG_LEGACY_PTYS is not set
# CONFIG_DEVKMEM is not set
CONFIG_SERIAL_8250=y
@ -75,9 +70,6 @@ CONFIG_SERIAL_OF_PLATFORM=y
# CONFIG_HW_RANDOM is not set
# CONFIG_HWMON is not set
CONFIG_FB=y
CONFIG_ARCPGU_RGB888=y
CONFIG_ARCPGU_DISPTYPE=0
# CONFIG_VGA_CONSOLE is not set
CONFIG_FRAMEBUFFER_CONSOLE=y
CONFIG_LOGO=y
# CONFIG_HID is not set

18
arch/arc/configs/tb10x_defconfig
View File

@ -3,6 +3,7 @@ CONFIG_CROSS_COMPILE="arc-linux-"
CONFIG_DEFAULT_HOSTNAME="tb10x"
CONFIG_SYSVIPC=y
CONFIG_POSIX_MQUEUE=y
# CONFIG_CROSS_MEMORY_ATTACH is not set
CONFIG_HIGH_RES_TIMERS=y
CONFIG_BSD_PROCESS_ACCT=y
CONFIG_BSD_PROCESS_ACCT_V3=y
@ -26,12 +27,10 @@ CONFIG_MODULE_UNLOAD=y
# CONFIG_BLOCK is not set
CONFIG_ARC_PLAT_TB10X=y
CONFIG_ARC_CACHE_LINE_SHIFT=5
CONFIG_ARC_STACK_NONEXEC=y
CONFIG_HZ=250
CONFIG_ARC_BUILTIN_DTB_NAME="abilis_tb100_dvk"
CONFIG_PREEMPT_VOLUNTARY=y
# CONFIG_COMPACTION is not set
# CONFIG_CROSS_MEMORY_ATTACH is not set
CONFIG_NET=y
CONFIG_PACKET=y
CONFIG_UNIX=y
@ -44,8 +43,8 @@ CONFIG_IP_MULTICAST=y
# CONFIG_INET_DIAG is not set
# CONFIG_IPV6 is not set
# CONFIG_WIRELESS is not set
CONFIG_DEVTMPFS=y
# CONFIG_FIRMWARE_IN_KERNEL is not set
CONFIG_PROC_DEVICETREE=y
CONFIG_NETDEVICES=y
# CONFIG_NET_CADENCE is not set
# CONFIG_NET_VENDOR_BROADCOM is not set
@ -55,9 +54,6 @@ CONFIG_NETDEVICES=y
# CONFIG_NET_VENDOR_NATSEMI is not set
# CONFIG_NET_VENDOR_SEEQ is not set
CONFIG_STMMAC_ETH=y
CONFIG_STMMAC_DEBUG_FS=y
CONFIG_STMMAC_DA=y
CONFIG_STMMAC_CHAINED=y
# CONFIG_NET_VENDOR_WIZNET is not set
# CONFIG_WLAN is not set
# CONFIG_INPUT is not set
@ -91,7 +87,6 @@ CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
CONFIG_LEDS_TRIGGER_TRANSIENT=y
CONFIG_DMADEVICES=y
CONFIG_DW_DMAC=y
CONFIG_NET_DMA=y
CONFIG_ASYNC_TX_DMA=y
# CONFIG_IOMMU_SUPPORT is not set
# CONFIG_DNOTIFY is not set
@ -100,17 +95,16 @@ CONFIG_TMPFS=y
CONFIG_CONFIGFS_FS=y
# CONFIG_MISC_FILESYSTEMS is not set
# CONFIG_NETWORK_FILESYSTEMS is not set
CONFIG_DEBUG_INFO=y
# CONFIG_ENABLE_WARN_DEPRECATED is not set
CONFIG_MAGIC_SYSRQ=y
CONFIG_STRIP_ASM_SYMS=y
CONFIG_DEBUG_FS=y
CONFIG_HEADERS_CHECK=y
CONFIG_DEBUG_SECTION_MISMATCH=y
CONFIG_MAGIC_SYSRQ=y
CONFIG_DEBUG_MEMORY_INIT=y
CONFIG_DEBUG_STACKOVERFLOW=y
CONFIG_DETECT_HUNG_TASK=y
CONFIG_SCHEDSTATS=y
CONFIG_TIMER_STATS=y
CONFIG_DEBUG_INFO=y
CONFIG_DEBUG_MEMORY_INIT=y
CONFIG_DEBUG_STACKOVERFLOW=y
# CONFIG_CRYPTO_ANSI_CPRNG is not set
# CONFIG_CRYPTO_HW is not set

32
arch/arc/include/asm/arcregs.h
View File

@ -10,7 +10,8 @@
#define _ASM_ARC_ARCREGS_H
/* Build Configuration Registers */
#define ARC_REG_DCCMBASE_BCR 0x61 /* DCCM Base Addr */
#define ARC_REG_AUX_DCCM 0x18 /* DCCM Base Addr ARCv2 */
#define ARC_REG_DCCM_BASE_BUILD 0x61 /* DCCM Base Addr ARCompact */
#define ARC_REG_CRC_BCR 0x62
#define ARC_REG_VECBASE_BCR 0x68
#define ARC_REG_PERIBASE_BCR 0x69
@ -18,10 +19,10 @@
#define ARC_REG_DPFP_BCR 0x6C /* ARCompact: Dbl Precision FPU */
#define ARC_REG_FP_V2_BCR 0xc8 /* ARCv2 FPU */
#define ARC_REG_SLC_BCR 0xce
#define ARC_REG_DCCM_BCR 0x74 /* DCCM Present + SZ */
#define ARC_REG_DCCM_BUILD 0x74 /* DCCM size (common) */
#define ARC_REG_TIMERS_BCR 0x75
#define ARC_REG_AP_BCR 0x76
#define ARC_REG_ICCM_BCR 0x78
#define ARC_REG_ICCM_BUILD 0x78 /* ICCM size (common) */
#define ARC_REG_XY_MEM_BCR 0x79
#define ARC_REG_MAC_BCR 0x7a
#define ARC_REG_MUL_BCR 0x7b
@ -36,6 +37,7 @@
#define ARC_REG_IRQ_BCR 0xF3
#define ARC_REG_SMART_BCR 0xFF
#define ARC_REG_CLUSTER_BCR 0xcf
#define ARC_REG_AUX_ICCM 0x208 /* ICCM Base Addr (ARCv2) */
/* status32 Bits Positions */
#define STATUS_AE_BIT 5 /* Exception active */
@ -246,7 +248,7 @@ struct bcr_perip {
#endif
};
struct bcr_iccm {
struct bcr_iccm_arcompact {
#ifdef CONFIG_CPU_BIG_ENDIAN
unsigned int base:16, pad:5, sz:3, ver:8;
#else
@ -254,17 +256,15 @@ struct bcr_iccm {
#endif
};
/* DCCM Base Address Register: ARC_REG_DCCMBASE_BCR */
struct bcr_dccm_base {
struct bcr_iccm_arcv2 {
#ifdef CONFIG_CPU_BIG_ENDIAN
unsigned int addr:24, ver:8;
unsigned int pad:8, sz11:4, sz01:4, sz10:4, sz00:4, ver:8;
#else
unsigned int ver:8, addr:24;
unsigned int ver:8, sz00:4, sz10:4, sz01:4, sz11:4, pad:8;
#endif
};
/* DCCM RAM Configuration Register: ARC_REG_DCCM_BCR */
struct bcr_dccm {
struct bcr_dccm_arcompact {
#ifdef CONFIG_CPU_BIG_ENDIAN
unsigned int res:21, sz:3, ver:8;
#else
@ -272,6 +272,14 @@ struct bcr_dccm {
#endif
};
struct bcr_dccm_arcv2 {
#ifdef CONFIG_CPU_BIG_ENDIAN
unsigned int pad2:12, cyc:3, pad1:1, sz1:4, sz0:4, ver:8;
#else
unsigned int ver:8, sz0:4, sz1:4, pad1:1, cyc:3, pad2:12;
#endif
};
/* ARCompact: Both SP and DP FPU BCRs have same format */
struct bcr_fp_arcompact {
#ifdef CONFIG_CPU_BIG_ENDIAN
@ -315,9 +323,9 @@ struct bcr_bpu_arcv2 {
struct bcr_generic {
#ifdef CONFIG_CPU_BIG_ENDIAN
unsigned int pad:24, ver:8;
unsigned int info:24, ver:8;
#else
unsigned int ver:8, pad:24;
unsigned int ver:8, info:24;
#endif
};

2
arch/arc/include/asm/irq.h
View File

@ -16,11 +16,9 @@
#ifdef CONFIG_ISA_ARCOMPACT
#define TIMER0_IRQ 3
#define TIMER1_IRQ 4
#define IPI_IRQ (NR_CPU_IRQS-1) /* dummy to enable SMP build for up hardware */
#else
#define TIMER0_IRQ 16
#define TIMER1_IRQ 17
#define IPI_IRQ 19
#endif
#include <linux/interrupt.h>

11
arch/arc/include/asm/irqflags-arcv2.h
View File

@ -22,6 +22,7 @@
#define AUX_IRQ_CTRL 0x00E
#define AUX_IRQ_ACT 0x043 /* Active Intr across all levels */
#define AUX_IRQ_LVL_PEND 0x200 /* Pending Intr across all levels */
#define AUX_IRQ_HINT 0x201 /* For generating Soft Interrupts */
#define AUX_IRQ_PRIORITY 0x206
#define ICAUSE 0x40a
#define AUX_IRQ_SELECT 0x40b
@ -115,6 +116,16 @@ static inline int arch_irqs_disabled(void)
return arch_irqs_disabled_flags(arch_local_save_flags());
}
static inline void arc_softirq_trigger(int irq)
{
write_aux_reg(AUX_IRQ_HINT, irq);
}
static inline void arc_softirq_clear(int irq)
{
write_aux_reg(AUX_IRQ_HINT, 0);
}
#else
.macro IRQ_DISABLE scratch

11
arch/arc/kernel/entry-arcv2.S
View File

@ -45,11 +45,12 @@ VECTOR reserved ; Reserved slots
VECTOR handle_interrupt ; (16) Timer0
VECTOR handle_interrupt ; unused (Timer1)
VECTOR handle_interrupt ; unused (WDT)
VECTOR handle_interrupt ; (19) ICI (inter core interrupt)
VECTOR handle_interrupt
VECTOR handle_interrupt
VECTOR handle_interrupt
VECTOR handle_interrupt ; (23) End of fixed IRQs
VECTOR handle_interrupt ; (19) Inter core Interrupt (IPI)
VECTOR handle_interrupt ; (20) perf Interrupt
VECTOR handle_interrupt ; (21) Software Triggered Intr (Self IPI)
VECTOR handle_interrupt ; unused
VECTOR handle_interrupt ; (23) unused
# End of fixed IRQs
.rept CONFIG_ARC_NUMBER_OF_INTERRUPTS - 8
VECTOR handle_interrupt

3
arch/arc/kernel/intc-compact.c
View File

@ -81,9 +81,6 @@ static int arc_intc_domain_map(struct irq_domain *d, unsigned int irq,
{
switch (irq) {
case TIMER0_IRQ:
#ifdef CONFIG_SMP
case IPI_IRQ:
#endif
irq_set_chip_and_handler(irq, &onchip_intc, handle_percpu_irq);
break;
default:

60
arch/arc/kernel/mcip.c
View File

@ -11,9 +11,13 @@
#include <linux/smp.h>
#include <linux/irq.h>
#include <linux/spinlock.h>
#include <asm/irqflags-arcv2.h>
#include <asm/mcip.h>
#include <asm/setup.h>
#define IPI_IRQ 19
#define SOFTIRQ_IRQ 21
static char smp_cpuinfo_buf[128];
static int idu_detected;
@ -22,6 +26,7 @@ static DEFINE_RAW_SPINLOCK(mcip_lock);
static void mcip_setup_per_cpu(int cpu)
{
smp_ipi_irq_setup(cpu, IPI_IRQ);
smp_ipi_irq_setup(cpu, SOFTIRQ_IRQ);
}
static void mcip_ipi_send(int cpu)
@ -29,46 +34,44 @@ static void mcip_ipi_send(int cpu)
unsigned long flags;
int ipi_was_pending;
/* ARConnect can only send IPI to others */
if (unlikely(cpu == raw_smp_processor_id())) {
arc_softirq_trigger(SOFTIRQ_IRQ);
return;
}
raw_spin_lock_irqsave(&mcip_lock, flags);
/*
* NOTE: We must spin here if the other cpu hasn't yet
* serviced a previous message. This can burn lots
* of time, but we MUST follows this protocol or
* ipi messages can be lost!!!
* Also, we must release the lock in this loop because
* the other side may get to this same loop and not
* be able to ack -- thus causing deadlock.
* If receiver already has a pending interrupt, elide sending this one.
* Linux cross core calling works well with concurrent IPIs
* coalesced into one
* see arch/arc/kernel/smp.c: ipi_send_msg_one()
*/
__mcip_cmd(CMD_INTRPT_READ_STATUS, cpu);
ipi_was_pending = read_aux_reg(ARC_REG_MCIP_READBACK);
if (!ipi_was_pending)
__mcip_cmd(CMD_INTRPT_GENERATE_IRQ, cpu);
do {
raw_spin_lock_irqsave(&mcip_lock, flags);
__mcip_cmd(CMD_INTRPT_READ_STATUS, cpu);
ipi_was_pending = read_aux_reg(ARC_REG_MCIP_READBACK);
if (ipi_was_pending == 0)
break; /* break out but keep lock */
raw_spin_unlock_irqrestore(&mcip_lock, flags);
} while (1);
__mcip_cmd(CMD_INTRPT_GENERATE_IRQ, cpu);
raw_spin_unlock_irqrestore(&mcip_lock, flags);
#ifdef CONFIG_ARC_IPI_DBG
if (ipi_was_pending)
pr_info("IPI ACK delayed from cpu %d\n", cpu);
#endif
}
static void mcip_ipi_clear(int irq)
{
unsigned int cpu, c;
unsigned long flags;
unsigned int __maybe_unused copy;
if (unlikely(irq == SOFTIRQ_IRQ)) {
arc_softirq_clear(irq);
return;
}
raw_spin_lock_irqsave(&mcip_lock, flags);
/* Who sent the IPI */
__mcip_cmd(CMD_INTRPT_CHECK_SOURCE, 0);
copy = cpu = read_aux_reg(ARC_REG_MCIP_READBACK); /* 1,2,4,8... */
cpu = read_aux_reg(ARC_REG_MCIP_READBACK); /* 1,2,4,8... */
/*
* In rare case, multiple concurrent IPIs sent to same target can
@ -82,12 +85,6 @@ static void mcip_ipi_clear(int irq)
} while (cpu);
raw_spin_unlock_irqrestore(&mcip_lock, flags);
#ifdef CONFIG_ARC_IPI_DBG
if (c != __ffs(copy))
pr_info("IPIs from %x coalesced to %x\n",
copy, raw_smp_processor_id());
#endif
}
static void mcip_probe_n_setup(void)
@ -111,10 +108,11 @@ static void mcip_probe_n_setup(void)
READ_BCR(ARC_REG_MCIP_BCR, mp);
sprintf(smp_cpuinfo_buf,
"Extn [SMP]\t: ARConnect (v%d): %d cores with %s%s%s%s\n",
"Extn [SMP]\t: ARConnect (v%d): %d cores with %s%s%s%s%s\n",
mp.ver, mp.num_cores,
IS_AVAIL1(mp.ipi, "IPI "),
IS_AVAIL1(mp.idu, "IDU "),
IS_AVAIL1(mp.llm, "LLM "),
IS_AVAIL1(mp.dbg, "DEBUG "),
IS_AVAIL1(mp.gfrc, "GFRC"));

80
arch/arc/kernel/setup.c
View File

@ -42,6 +42,53 @@ struct task_struct *_current_task[NR_CPUS]; /* For stack switching */
struct cpuinfo_arc cpuinfo_arc700[NR_CPUS];
static void read_decode_ccm_bcr(struct cpuinfo_arc *cpu)
{
if (is_isa_arcompact()) {
struct bcr_iccm_arcompact iccm;
struct bcr_dccm_arcompact dccm;
READ_BCR(ARC_REG_ICCM_BUILD, iccm);
if (iccm.ver) {
cpu->iccm.sz = 4096 << iccm.sz; /* 8K to 512K */
cpu->iccm.base_addr = iccm.base << 16;
}
READ_BCR(ARC_REG_DCCM_BUILD, dccm);
if (dccm.ver) {
unsigned long base;
cpu->dccm.sz = 2048 << dccm.sz; /* 2K to 256K */
base = read_aux_reg(ARC_REG_DCCM_BASE_BUILD);
cpu->dccm.base_addr = base & ~0xF;
}
} else {
struct bcr_iccm_arcv2 iccm;
struct bcr_dccm_arcv2 dccm;
unsigned long region;
READ_BCR(ARC_REG_ICCM_BUILD, iccm);
if (iccm.ver) {
cpu->iccm.sz = 256 << iccm.sz00; /* 512B to 16M */
if (iccm.sz00 == 0xF && iccm.sz01 > 0)
cpu->iccm.sz <<= iccm.sz01;
region = read_aux_reg(ARC_REG_AUX_ICCM);
cpu->iccm.base_addr = region & 0xF0000000;
}
READ_BCR(ARC_REG_DCCM_BUILD, dccm);
if (dccm.ver) {
cpu->dccm.sz = 256 << dccm.sz0;
if (dccm.sz0 == 0xF && dccm.sz1 > 0)
cpu->dccm.sz <<= dccm.sz1;
region = read_aux_reg(ARC_REG_AUX_DCCM);
cpu->dccm.base_addr = region & 0xF0000000;
}
}
}
static void read_arc_build_cfg_regs(void)
{
struct bcr_perip uncached_space;
@ -76,36 +123,11 @@ static void read_arc_build_cfg_regs(void)
cpu->extn.swap = read_aux_reg(ARC_REG_SWAP_BCR) ? 1 : 0; /* 1,3 */
cpu->extn.crc = read_aux_reg(ARC_REG_CRC_BCR) ? 1 : 0;
cpu->extn.minmax = read_aux_reg(ARC_REG_MIXMAX_BCR) > 1 ? 1 : 0; /* 2 */
/* Note that we read the CCM BCRs independent of kernel config
* This is to catch the cases where user doesn't know that
* CCMs are present in hardware build
*/
{
struct bcr_iccm iccm;
struct bcr_dccm dccm;
struct bcr_dccm_base dccm_base;
unsigned int bcr_32bit_val;
bcr_32bit_val = read_aux_reg(ARC_REG_ICCM_BCR);
if (bcr_32bit_val) {
iccm = *((struct bcr_iccm *)&bcr_32bit_val);
cpu->iccm.base_addr = iccm.base << 16;
cpu->iccm.sz = 0x2000 << (iccm.sz - 1);
}
bcr_32bit_val = read_aux_reg(ARC_REG_DCCM_BCR);
if (bcr_32bit_val) {
dccm = *((struct bcr_dccm *)&bcr_32bit_val);
cpu->dccm.sz = 0x800 << (dccm.sz);
READ_BCR(ARC_REG_DCCMBASE_BCR, dccm_base);
cpu->dccm.base_addr = dccm_base.addr << 8;
}
}
READ_BCR(ARC_REG_XY_MEM_BCR, cpu->extn_xymem);
/* Read CCM BCRs for boot reporting even if not enabled in Kconfig */
read_decode_ccm_bcr(cpu);
read_decode_mmu_bcr();
read_decode_cache_bcr();
@ -237,8 +259,6 @@ static char *arc_cpu_mumbojumbo(int cpu_id, char *buf, int len)
n += scnprintf(buf + n, len - n, "mpy[opt %d] ", opt);
}
n += scnprintf(buf + n, len - n, "%s",
IS_USED_CFG(CONFIG_ARC_HAS_HW_MPY));
}
n += scnprintf(buf + n, len - n, "%s%s%s%s%s%s%s%s\n",

3
arch/arc/kernel/smp.c
View File

@ -336,11 +336,8 @@ irqreturn_t do_IPI(int irq, void *dev_id)
int rc;
rc = __do_IPI(msg);
#ifdef CONFIG_ARC_IPI_DBG
/* IPI received but no valid @msg */
if (rc)
pr_info("IPI with bogus msg %ld in %ld\n", msg, copy);
#endif
pending &= ~(1U << msg);
} while (pending);

2
arch/arm/boot/compressed/Makefile
View File

@ -195,5 +195,7 @@ CFLAGS_font.o := -Dstatic=
$(obj)/font.c: $(FONTC)
$(call cmd,shipped)
AFLAGS_hyp-stub.o := -Wa,-march=armv7-a
$(obj)/hyp-stub.S: $(srctree)/arch/$(SRCARCH)/kernel/hyp-stub.S
$(call cmd,shipped)

14
arch/arm/boot/dts/am335x-bone-common.dtsi
View File

@ -285,8 +285,10 @@
};
};
/include/ "tps65217.dtsi"
&tps {
compatible = "ti,tps65217";
/*
* Configure pmic to enter OFF-state instead of SLEEP-state ("RTC-only
* mode") at poweroff. Most BeagleBone versions do not support RTC-only
@ -307,17 +309,12 @@
ti,pmic-shutdown-controller;
regulators {
#address-cells = <1>;
#size-cells = <0>;
dcdc1_reg: regulator@0 {
reg = <0>;
regulator-name = "vdds_dpr";
regulator-always-on;
};
dcdc2_reg: regulator@1 {
reg = <1>;
/* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */
regulator-name = "vdd_mpu";
regulator-min-microvolt = <925000>;
@ -327,7 +324,6 @@
};
dcdc3_reg: regulator@2 {
reg = <2>;
/* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */
regulator-name = "vdd_core";
regulator-min-microvolt = <925000>;
@ -337,25 +333,21 @@
};
ldo1_reg: regulator@3 {
reg = <3>;
regulator-name = "vio,vrtc,vdds";
regulator-always-on;
};
ldo2_reg: regulator@4 {
reg = <4>;
regulator-name = "vdd_3v3aux";
regulator-always-on;
};
ldo3_reg: regulator@5 {
reg = <5>;
regulator-name = "vdd_1v8";
regulator-always-on;
};
ldo4_reg: regulator@6 {
reg = <6>;
regulator-name = "vdd_3v3a";
regulator-always-on;
};

14
arch/arm/boot/dts/am335x-chilisom.dtsi
View File

@ -128,21 +128,16 @@
};
/include/ "tps65217.dtsi"
&tps {
compatible = "ti,tps65217";
regulators {
#address-cells = <1>;
#size-cells = <0>;
dcdc1_reg: regulator@0 {
reg = <0>;
regulator-name = "vdds_dpr";
regulator-always-on;
};
dcdc2_reg: regulator@1 {
reg = <1>;
/* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */
regulator-name = "vdd_mpu";
regulator-min-microvolt = <925000>;
@ -152,7 +147,6 @@
};
dcdc3_reg: regulator@2 {
reg = <2>;
/* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */
regulator-name = "vdd_core";
regulator-min-microvolt = <925000>;
@ -162,28 +156,24 @@
};
ldo1_reg: regulator@3 {
reg = <3>;
regulator-name = "vio,vrtc,vdds";
regulator-boot-on;
regulator-always-on;
};
ldo2_reg: regulator@4 {
reg = <4>;
regulator-name = "vdd_3v3aux";
regulator-boot-on;
regulator-always-on;
};
ldo3_reg: regulator@5 {
reg = <5>;
regulator-name = "vdd_1v8";
regulator-boot-on;
regulator-always-on;
};
ldo4_reg: regulator@6 {
reg = <6>;
regulator-name = "vdd_3v3d";
regulator-boot-on;
regulator-always-on;

14
arch/arm/boot/dts/am335x-nano.dts
View File

@ -375,15 +375,11 @@
wp-gpios = <&gpio3 18 0>;
};
#include "tps65217.dtsi"
&tps {
compatible = "ti,tps65217";
regulators {
#address-cells = <1>;
#size-cells = <0>;
dcdc1_reg: regulator@0 {
reg = <0>;
/* +1.5V voltage with ±4% tolerance */
regulator-min-microvolt = <1450000>;
regulator-max-microvolt = <1550000>;
@ -392,7 +388,6 @@
};
dcdc2_reg: regulator@1 {
reg = <1>;
/* VDD_MPU voltage limits 0.95V - 1.1V with ±4% tolerance */
regulator-name = "vdd_mpu";
regulator-min-microvolt = <915000>;
@ -402,7 +397,6 @@
};
dcdc3_reg: regulator@2 {
reg = <2>;
/* VDD_CORE voltage limits 0.95V - 1.1V with ±4% tolerance */
regulator-name = "vdd_core";
regulator-min-microvolt = <915000>;
@ -412,7 +406,6 @@
};
ldo1_reg: regulator@3 {
reg = <3>;
/* +1.8V voltage with ±4% tolerance */
regulator-min-microvolt = <1750000>;
regulator-max-microvolt = <1870000>;
@ -421,7 +414,6 @@
};
ldo2_reg: regulator@4 {
reg = <4>;
/* +3.3V voltage with ±4% tolerance */
regulator-min-microvolt = <3175000>;
regulator-max-microvolt = <3430000>;
@ -430,7 +422,6 @@
};
ldo3_reg: regulator@5 {
reg = <5>;
/* +1.8V voltage with ±4% tolerance */
regulator-min-microvolt = <1750000>;
regulator-max-microvolt = <1870000>;
@ -439,7 +430,6 @@
};
ldo4_reg: regulator@6 {
reg = <6>;
/* +3.3V voltage with ±4% tolerance */
regulator-min-microvolt = <3175000>;
regulator-max-microvolt = <3430000>;

14
arch/arm/boot/dts/am335x-pepper.dts
View File

@ -420,9 +420,9 @@
vin-supply = <&vbat>;
};
&tps {
compatible = "ti,tps65217";
/include/ "tps65217.dtsi"
&tps {
backlight {
isel = <1>; /* ISET1 */
fdim = <200>; /* TPS65217_BL_FDIM_200HZ */
@ -430,17 +430,12 @@
};
regulators {
#address-cells = <1>;
#size-cells = <0>;
dcdc1_reg: regulator@0 {
reg = <0>;
/* VDD_1V8 system supply */
regulator-always-on;
};
dcdc2_reg: regulator@1 {
reg = <1>;
/* VDD_CORE voltage limits 0.95V - 1.26V with +/-4% tolerance */
regulator-name = "vdd_core";
regulator-min-microvolt = <925000>;
@ -450,7 +445,6 @@
};
dcdc3_reg: regulator@2 {
reg = <2>;
/* VDD_MPU voltage limits 0.95V - 1.1V with +/-4% tolerance */
regulator-name = "vdd_mpu";
regulator-min-microvolt = <925000>;
@ -460,21 +454,18 @@
};
ldo1_reg: regulator@3 {
reg = <3>;
/* VRTC 1.8V always-on supply */
regulator-name = "vrtc,vdds";
regulator-always-on;
};
ldo2_reg: regulator@4 {
reg = <4>;
/* 3.3V rail */
regulator-name = "vdd_3v3aux";
regulator-always-on;
};
ldo3_reg: regulator@5 {
reg = <5>;
/* VDD_3V3A 3.3V rail */
regulator-name = "vdd_3v3a";
regulator-min-microvolt = <3300000>;
@ -482,7 +473,6 @@
};
ldo4_reg: regulator@6 {
reg = <6>;
/* VDD_3V3B 3.3V rail */
regulator-name = "vdd_3v3b";
regulator-always-on;

4
arch/arm/boot/dts/am335x-shc.dts
View File

@ -46,7 +46,7 @@
gpios = <&gpio1 29 GPIO_ACTIVE_HIGH>;
linux,code = <KEY_BACK>;
debounce-interval = <1000>;
gpio-key,wakeup;
wakeup-source;
};
front_button {
@ -54,7 +54,7 @@
gpios = <&gpio1 25 GPIO_ACTIVE_HIGH>;
linux,code = <KEY_FRONT>;
debounce-interval = <1000>;
gpio-key,wakeup;
wakeup-source;
};
};

13
arch/arm/boot/dts/am335x-sl50.dts
View File

@ -375,19 +375,16 @@
pinctrl-0 = <&uart4_pins>;
};
#include "tps65217.dtsi"
&tps {
compatible = "ti,tps65217";
ti,pmic-shutdown-controller;
interrupt-parent = <&intc>;
interrupts = <7>; /* NNMI */
regulators {
#address-cells = <1>;
#size-cells = <0>;
dcdc1_reg: regulator@0 {
reg = <0>;
/* VDDS_DDR */
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <1500000>;
@ -395,7 +392,6 @@
};
dcdc2_reg: regulator@1 {
reg = <1>;
/* VDD_MPU voltage limits 0.95V - 1.26V with +/-4% tolerance */
regulator-name = "vdd_mpu";
regulator-min-microvolt = <925000>;
@ -405,7 +401,6 @@
};
dcdc3_reg: regulator@2 {
reg = <2>;
/* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */
regulator-name = "vdd_core";
regulator-min-microvolt = <925000>;
@ -415,7 +410,6 @@
};
ldo1_reg: regulator@3 {
reg = <3>;
/* VRTC / VIO / VDDS*/
regulator-always-on;
regulator-min-microvolt = <1800000>;
@ -423,7 +417,6 @@
};
ldo2_reg: regulator@4 {
reg = <4>;
/* VDD_3V3AUX */
regulator-always-on;
regulator-min-microvolt = <3300000>;
@ -431,7 +424,6 @@
};
ldo3_reg: regulator@5 {
reg = <5>;
/* VDD_1V8 */
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
@ -439,7 +431,6 @@
};
ldo4_reg: regulator@6 {
reg = <6>;
/* VDD_3V3A */
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;

4
arch/arm/boot/dts/am57xx-beagle-x15.dts
View File

@ -173,6 +173,8 @@
sound0_master: simple-audio-card,codec {
sound-dai = <&tlv320aic3104>;
assigned-clocks = <&clkoutmux2_clk_mux>;
assigned-clock-parents = <&sys_clk2_dclk_div>;
clocks = <&clkout2_clk>;
};
};
@ -796,6 +798,8 @@
pinctrl-names = "default", "sleep";
pinctrl-0 = <&mcasp3_pins_default>;
pinctrl-1 = <&mcasp3_pins_sleep>;
assigned-clocks = <&mcasp3_ahclkx_mux>;
assigned-clock-parents = <&sys_clkin2>;
status = "okay";
op-mode = <0>; /* MCASP_IIS_MODE */

2
arch/arm/boot/dts/am57xx-cl-som-am57x.dts
View File

@ -545,7 +545,7 @@
ti,debounce-tol = /bits/ 16 <10>;
ti,debounce-rep = /bits/ 16 <1>;
linux,wakeup;
wakeup-source;
};
};

1
arch/arm/boot/dts/imx6qdl.dtsi
View File

@ -896,7 +896,6 @@
#size-cells = <1>;
reg = <0x2100000 0x10000>;
ranges = <0 0x2100000 0x10000>;
interrupt-parent = <&intc>;
clocks = <&clks IMX6QDL_CLK_CAAM_MEM>,
<&clks IMX6QDL_CLK_CAAM_ACLK>,
<&clks IMX6QDL_CLK_CAAM_IPG>,

2
arch/arm/boot/dts/kirkwood-ds112.dts
View File

@ -14,7 +14,7 @@
#include "kirkwood-synology.dtsi"
/ {
model = "Synology DS111";
model = "Synology DS112";
compatible = "synology,ds111", "marvell,kirkwood";
memory {

31
arch/arm/boot/dts/orion5x-linkstation-lswtgl.dts
View File

@ -228,6 +228,37 @@
};
};
&devbus_bootcs {
status = "okay";
devbus,keep-config;
flash@0 {
compatible = "jedec-flash";
reg = <0 0x40000>;
bank-width = <1>;
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
header@0 {
reg = <0 0x30000>;
read-only;
};
uboot@30000 {
reg = <0x30000 0xF000>;
read-only;
};
uboot_env@3F000 {
reg = <0x3F000 0x1000>;
};
};
};
};
&mdio {
status = "okay";

1
arch/arm/boot/dts/r8a7791-porter.dts
View File

@ -283,7 +283,6 @@
pinctrl-names = "default";
status = "okay";
renesas,enable-gpio = <&gpio5 31 GPIO_ACTIVE_HIGH>;
};
&usbphy {

2
arch/arm/boot/dts/sama5d2-pinfunc.h
View File

@ -90,7 +90,7 @@
#define PIN_PA14__I2SC1_MCK PINMUX_PIN(PIN_PA14, 4, 2)
#define PIN_PA14__FLEXCOM3_IO2 PINMUX_PIN(PIN_PA14, 5, 1)
#define PIN_PA14__D9 PINMUX_PIN(PIN_PA14, 6, 2)
#define PIN_PA15 14
#define PIN_PA15 15
#define PIN_PA15__GPIO PINMUX_PIN(PIN_PA15, 0, 0)
#define PIN_PA15__SPI0_MOSI PINMUX_PIN(PIN_PA15, 1, 1)
#define PIN_PA15__TF1 PINMUX_PIN(PIN_PA15, 2, 1)

56
arch/arm/boot/dts/tps65217.dtsi Normal file
View File

@ -0,0 +1,56 @@
/*
* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/*
* Integrated Power Management Chip
* http://www.ti.com/lit/ds/symlink/tps65217.pdf
*/
&tps {
compatible = "ti,tps65217";
regulators {
#address-cells = <1>;
#size-cells = <0>;
dcdc1_reg: regulator@0 {
reg = <0>;
regulator-compatible = "dcdc1";
};
dcdc2_reg: regulator@1 {
reg = <1>;
regulator-compatible = "dcdc2";
};
dcdc3_reg: regulator@2 {
reg = <2>;
regulator-compatible = "dcdc3";
};
ldo1_reg: regulator@3 {
reg = <3>;
regulator-compatible = "ldo1";
};
ldo2_reg: regulator@4 {
reg = <4>;
regulator-compatible = "ldo2";
};
ldo3_reg: regulator@5 {
reg = <5>;
regulator-compatible = "ldo3";
};
ldo4_reg: regulator@6 {
reg = <6>;
regulator-compatible = "ldo4";
};
};
};

1
arch/arm/include/asm/arch_gicv3.h
View File

@ -117,6 +117,7 @@ static inline u32 gic_read_iar(void)
u32 irqstat;
asm volatile("mrc " __stringify(ICC_IAR1) : "=r" (irqstat));
dsb(sy);
return irqstat;
}

21
arch/arm/include/asm/xen/page-coherent.h
View File

@ -35,14 +35,21 @@ static inline void xen_dma_map_page(struct device *hwdev, struct page *page,
dma_addr_t dev_addr, unsigned long offset, size_t size,
enum dma_data_direction dir, struct dma_attrs *attrs)
{
bool local = XEN_PFN_DOWN(dev_addr) == page_to_xen_pfn(page);
unsigned long page_pfn = page_to_xen_pfn(page);
unsigned long dev_pfn = XEN_PFN_DOWN(dev_addr);
unsigned long compound_pages =
(1<<compound_order(page)) * XEN_PFN_PER_PAGE;
bool local = (page_pfn <= dev_pfn) &&
(dev_pfn - page_pfn < compound_pages);
/*
* Dom0 is mapped 1:1, while the Linux page can be spanned accross
* multiple Xen page, it's not possible to have a mix of local and
* foreign Xen page. So if the first xen_pfn == mfn the page is local
* otherwise it's a foreign page grant-mapped in dom0. If the page is
* local we can safely call the native dma_ops function, otherwise we
* call the xen specific function.
* Dom0 is mapped 1:1, while the Linux page can span across
* multiple Xen pages, it's not possible for it to contain a
* mix of local and foreign Xen pages. So if the first xen_pfn
* == mfn the page is local otherwise it's a foreign page
* grant-mapped in dom0. If the page is local we can safely
* call the native dma_ops function, otherwise we call the xen
* specific function.
*/
if (local)
__generic_dma_ops(hwdev)->map_page(hwdev, page, offset, size, dir, attrs);

1
arch/arm/kernel/Makefile
View File

@ -88,6 +88,7 @@ obj-$(CONFIG_DEBUG_LL) += debug.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-$(CONFIG_ARM_VIRT_EXT) += hyp-stub.o
AFLAGS_hyp-stub.o :=-Wa,-march=armv7-a
ifeq ($(CONFIG_ARM_PSCI),y)
obj-$(CONFIG_SMP) += psci_smp.o
endif

2
arch/arm/kvm/guest.c
View File

@ -161,7 +161,7 @@ static int get_timer_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
u64 val;
val = kvm_arm_timer_get_reg(vcpu, reg->id);
return copy_to_user(uaddr, &val, KVM_REG_SIZE(reg->id));
return copy_to_user(uaddr, &val, KVM_REG_SIZE(reg->id)) ? -EFAULT : 0;
}
static unsigned long num_core_regs(void)

3
arch/arm/kvm/mmio.c
View File

@ -206,7 +206,8 @@ int io_mem_abort(struct kvm_vcpu *vcpu, struct kvm_run *run,
run->mmio.is_write = is_write;
run->mmio.phys_addr = fault_ipa;
run->mmio.len = len;
memcpy(run->mmio.data, data_buf, len);
if (is_write)
memcpy(run->mmio.data, data_buf, len);
if (!ret) {
/* We handled the access successfully in the kernel. */

22
arch/arm/mach-omap2/board-generic.c
View File

@ -18,6 +18,7 @@
#include <asm/setup.h>
#include <asm/mach/arch.h>
#include <asm/system_info.h>
#include "common.h"
@ -77,12 +78,31 @@ static const char *const n900_boards_compat[] __initconst = {
NULL,
};
/* Set system_rev from atags */
static void __init rx51_set_system_rev(const struct tag *tags)
{
const struct tag *tag;
if (tags->hdr.tag != ATAG_CORE)
return;
for_each_tag(tag, tags) {
if (tag->hdr.tag == ATAG_REVISION) {
system_rev = tag->u.revision.rev;
break;
}
}
}
/* Legacy userspace on Nokia N900 needs ATAGS exported in /proc/atags,
* save them while the data is still not overwritten
*/
static void __init rx51_reserve(void)
{
save_atags((const struct tag *)(PAGE_OFFSET + 0x100));
const struct tag *tags = (const struct tag *)(PAGE_OFFSET + 0x100);
save_atags(tags);
rx51_set_system_rev(tags);
omap_reserve();
}

6
arch/arm/mach-omap2/gpmc-onenand.c
View File

@ -101,10 +101,8 @@ static void omap2_onenand_set_async_mode(void __iomem *onenand_base)
static void set_onenand_cfg(void __iomem *onenand_base)
{
u32 reg;
u32 reg = ONENAND_SYS_CFG1_RDY | ONENAND_SYS_CFG1_INT;
reg = readw(onenand_base + ONENAND_REG_SYS_CFG1);
reg &= ~((0x7 << ONENAND_SYS_CFG1_BRL_SHIFT) | (0x7 << 9));
reg |= (latency << ONENAND_SYS_CFG1_BRL_SHIFT) |
ONENAND_SYS_CFG1_BL_16;
if (onenand_flags & ONENAND_FLAG_SYNCREAD)
@ -123,6 +121,7 @@ static void set_onenand_cfg(void __iomem *onenand_base)
reg |= ONENAND_SYS_CFG1_VHF;
else
reg &= ~ONENAND_SYS_CFG1_VHF;
writew(reg, onenand_base + ONENAND_REG_SYS_CFG1);
}
@ -289,6 +288,7 @@ static int omap2_onenand_setup_async(void __iomem *onenand_base)
}
}
onenand_async.sync_write = true;
omap2_onenand_calc_async_timings(&t);
ret = gpmc_cs_program_settings(gpmc_onenand_data->cs, &onenand_async);

14
arch/arm/mach-omap2/omap_device.c
View File

@ -191,12 +191,22 @@ static int _omap_device_notifier_call(struct notifier_block *nb,
{
struct platform_device *pdev = to_platform_device(dev);
struct omap_device *od;
int err;
switch (event) {
case BUS_NOTIFY_DEL_DEVICE:
if (pdev->archdata.od)
omap_device_delete(pdev->archdata.od);
break;
case BUS_NOTIFY_UNBOUND_DRIVER:
od = to_omap_device(pdev);
if (od && (od->_state == OMAP_DEVICE_STATE_ENABLED)) {
dev_info(dev, "enabled after unload, idling\n");
err = omap_device_idle(pdev);
if (err)
dev_err(dev, "failed to idle\n");
}
break;
case BUS_NOTIFY_ADD_DEVICE:
if (pdev->dev.of_node)
omap_device_build_from_dt(pdev);
@ -602,8 +612,10 @@ static int _od_runtime_resume(struct device *dev)
int ret;
ret = omap_device_enable(pdev);
if (ret)
if (ret) {
dev_err(dev, "use pm_runtime_put_sync_suspend() in driver?\n");
return ret;
}
return pm_generic_runtime_resume(dev);
}

1
arch/arm/mach-shmobile/common.h
View File

@ -4,7 +4,6 @@
extern void shmobile_init_delay(void);
extern void shmobile_boot_vector(void);
extern unsigned long shmobile_boot_fn;
extern unsigned long shmobile_boot_arg;
extern unsigned long shmobile_boot_size;
extern void shmobile_smp_boot(void);
extern void shmobile_smp_sleep(void);

6
arch/arm/mach-shmobile/headsmp-scu.S
View File

@ -38,9 +38,3 @@ ENTRY(shmobile_boot_scu)
b secondary_startup
ENDPROC(shmobile_boot_scu)
.text
.align 2
.globl shmobile_scu_base
shmobile_scu_base:
.space 4

28
arch/arm/mach-shmobile/headsmp.S
View File

@ -24,7 +24,6 @@
.arm
.align 12
ENTRY(shmobile_boot_vector)
ldr r0, 2f
ldr r1, 1f
bx r1
@ -34,9 +33,6 @@ ENDPROC(shmobile_boot_vector)
.globl shmobile_boot_fn
shmobile_boot_fn:
1: .space 4
.globl shmobile_boot_arg
shmobile_boot_arg:
2: .space 4
.globl shmobile_boot_size
shmobile_boot_size:
.long . - shmobile_boot_vector
@ -46,13 +42,15 @@ shmobile_boot_size:
*/
ENTRY(shmobile_smp_boot)
@ r0 = MPIDR_HWID_BITMASK
mrc p15, 0, r1, c0, c0, 5 @ r1 = MPIDR
and r0, r1, r0 @ r0 = cpu_logical_map() value
and r0, r1, #0xffffff @ MPIDR_HWID_BITMASK
@ r0 = cpu_logical_map() value
mov r1, #0 @ r1 = CPU index
adr r5, 1f @ array of per-cpu mpidr values
adr r6, 2f @ array of per-cpu functions
adr r7, 3f @ array of per-cpu arguments
adr r2, 1f
ldmia r2, {r5, r6, r7}
add r5, r5, r2 @ array of per-cpu mpidr values
add r6, r6, r2 @ array of per-cpu functions
add r7, r7, r2 @ array of per-cpu arguments
shmobile_smp_boot_find_mpidr:
ldr r8, [r5, r1, lsl #2]
@ -80,12 +78,18 @@ ENTRY(shmobile_smp_sleep)
b shmobile_smp_boot
ENDPROC(shmobile_smp_sleep)
.align 2
1: .long shmobile_smp_mpidr - .
.long shmobile_smp_fn - 1b
.long shmobile_smp_arg - 1b
.bss
.globl shmobile_smp_mpidr
shmobile_smp_mpidr:
1: .space NR_CPUS * 4
.space NR_CPUS * 4
.globl shmobile_smp_fn
shmobile_smp_fn:
2: .space NR_CPUS * 4
.space NR_CPUS * 4
.globl shmobile_smp_arg
shmobile_smp_arg:
3: .space NR_CPUS * 4
.space NR_CPUS * 4

1
arch/arm/mach-shmobile/platsmp-apmu.c
View File

@ -123,7 +123,6 @@ void __init shmobile_smp_apmu_prepare_cpus(unsigned int max_cpus,
{
/* install boot code shared by all CPUs */
shmobile_boot_fn = virt_to_phys(shmobile_smp_boot);
shmobile_boot_arg = MPIDR_HWID_BITMASK;
/* perform per-cpu setup */
apmu_parse_cfg(apmu_init_cpu, apmu_config, num);

4
arch/arm/mach-shmobile/platsmp-scu.c
View File

@ -17,6 +17,9 @@
#include <asm/smp_scu.h>
#include "common.h"
void __iomem *shmobile_scu_base;
static int shmobile_smp_scu_notifier_call(struct notifier_block *nfb,
unsigned long action, void *hcpu)
{
@ -41,7 +44,6 @@ void __init shmobile_smp_scu_prepare_cpus(unsigned int max_cpus)
{
/* install boot code shared by all CPUs */
shmobile_boot_fn = virt_to_phys(shmobile_smp_boot);
shmobile_boot_arg = MPIDR_HWID_BITMASK;
/* enable SCU and cache coherency on booting CPU */
scu_enable(shmobile_scu_base);

2
arch/arm/mach-shmobile/smp-r8a7779.c
View File

@ -92,8 +92,6 @@ static void __init r8a7779_smp_prepare_cpus(unsigned int max_cpus)
{
/* Map the reset vector (in headsmp-scu.S, headsmp.S) */
__raw_writel(__pa(shmobile_boot_vector), AVECR);
shmobile_boot_fn = virt_to_phys(shmobile_boot_scu);
shmobile_boot_arg = (unsigned long)shmobile_scu_base;
/* setup r8a7779 specific SCU bits */
shmobile_scu_base = IOMEM(R8A7779_SCU_BASE);

2
arch/arm/mm/mmap.c
View File

@ -173,7 +173,7 @@ unsigned long arch_mmap_rnd(void)
{
unsigned long rnd;
rnd = (unsigned long)get_random_int() & ((1 << mmap_rnd_bits) - 1);
rnd = get_random_long() & ((1UL << mmap_rnd_bits) - 1);
return rnd << PAGE_SHIFT;
}

3
arch/arm/mm/pageattr.c
View File

@ -49,6 +49,9 @@ static int change_memory_common(unsigned long addr, int numpages,
WARN_ON_ONCE(1);
}
if (!numpages)
return 0;
if (start < MODULES_VADDR || start >= MODULES_END)
return -EINVAL;

7
arch/arm64/include/asm/pgtable.h
View File

@ -34,13 +34,13 @@
/*
* VMALLOC and SPARSEMEM_VMEMMAP ranges.
*
* VMEMAP_SIZE: allows the whole VA space to be covered by a struct page array
* VMEMAP_SIZE: allows the whole linear region to be covered by a struct page array
* (rounded up to PUD_SIZE).
* VMALLOC_START: beginning of the kernel VA space
* VMALLOC_END: extends to the available space below vmmemmap, PCI I/O space,
* fixed mappings and modules
*/
#define VMEMMAP_SIZE ALIGN((1UL << (VA_BITS - PAGE_SHIFT)) * sizeof(struct page), PUD_SIZE)
#define VMEMMAP_SIZE ALIGN((1UL << (VA_BITS - PAGE_SHIFT - 1)) * sizeof(struct page), PUD_SIZE)
#ifndef CONFIG_KASAN
#define VMALLOC_START (VA_START)
@ -51,7 +51,8 @@
#define VMALLOC_END (PAGE_OFFSET - PUD_SIZE - VMEMMAP_SIZE - SZ_64K)
#define vmemmap ((struct page *)(VMALLOC_END + SZ_64K))
#define VMEMMAP_START (VMALLOC_END + SZ_64K)
#define vmemmap ((struct page *)VMEMMAP_START - (memstart_addr >> PAGE_SHIFT))
#define FIRST_USER_ADDRESS 0UL

2
arch/arm64/kvm/guest.c
View File

@ -194,7 +194,7 @@ static int get_timer_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
u64 val;
val = kvm_arm_timer_get_reg(vcpu, reg->id);
return copy_to_user(uaddr, &val, KVM_REG_SIZE(reg->id));
return copy_to_user(uaddr, &val, KVM_REG_SIZE(reg->id)) ? -EFAULT : 0;
}
/**

20
arch/arm64/kvm/hyp/vgic-v3-sr.c
View File

@ -147,16 +147,6 @@ void __hyp_text __vgic_v3_restore_state(struct kvm_vcpu *vcpu)
max_lr_idx = vtr_to_max_lr_idx(val);
nr_pri_bits = vtr_to_nr_pri_bits(val);
switch (nr_pri_bits) {
case 7:
write_gicreg(cpu_if->vgic_ap1r[3], ICH_AP1R3_EL2);
write_gicreg(cpu_if->vgic_ap1r[2], ICH_AP1R2_EL2);
case 6:
write_gicreg(cpu_if->vgic_ap1r[1], ICH_AP1R1_EL2);
default:
write_gicreg(cpu_if->vgic_ap1r[0], ICH_AP1R0_EL2);
}
switch (nr_pri_bits) {
case 7:
write_gicreg(cpu_if->vgic_ap0r[3], ICH_AP0R3_EL2);
@ -167,6 +157,16 @@ void __hyp_text __vgic_v3_restore_state(struct kvm_vcpu *vcpu)
write_gicreg(cpu_if->vgic_ap0r[0], ICH_AP0R0_EL2);
}
switch (nr_pri_bits) {
case 7:
write_gicreg(cpu_if->vgic_ap1r[3], ICH_AP1R3_EL2);
write_gicreg(cpu_if->vgic_ap1r[2], ICH_AP1R2_EL2);
case 6:
write_gicreg(cpu_if->vgic_ap1r[1], ICH_AP1R1_EL2);
default:
write_gicreg(cpu_if->vgic_ap1r[0], ICH_AP1R0_EL2);
}
switch (max_lr_idx) {
case 15:
write_gicreg(cpu_if->vgic_lr[VGIC_V3_LR_INDEX(15)], ICH_LR15_EL2);

4
arch/arm64/mm/init.c
View File

@ -319,8 +319,8 @@ void __init mem_init(void)
#endif
MLG(VMALLOC_START, VMALLOC_END),
#ifdef CONFIG_SPARSEMEM_VMEMMAP
MLG((unsigned long)vmemmap,
(unsigned long)vmemmap + VMEMMAP_SIZE),
MLG(VMEMMAP_START,
VMEMMAP_START + VMEMMAP_SIZE),
MLM((unsigned long)virt_to_page(PAGE_OFFSET),
(unsigned long)virt_to_page(high_memory)),
#endif

4
arch/arm64/mm/mmap.c
View File

@ -53,10 +53,10 @@ unsigned long arch_mmap_rnd(void)
#ifdef CONFIG_COMPAT
if (test_thread_flag(TIF_32BIT))
rnd = (unsigned long)get_random_int() & ((1 << mmap_rnd_compat_bits) - 1);
rnd = get_random_long() & ((1UL << mmap_rnd_compat_bits) - 1);
else
#endif
rnd = (unsigned long)get_random_int() & ((1 << mmap_rnd_bits) - 1);
rnd = get_random_long() & ((1UL << mmap_rnd_bits) - 1);
return rnd << PAGE_SHIFT;
}

2
arch/mips/jz4740/gpio.c
View File

@ -270,7 +270,7 @@ uint32_t jz_gpio_port_get_value(int port, uint32_t mask)
}
EXPORT_SYMBOL(jz_gpio_port_get_value);
#define IRQ_TO_BIT(irq) BIT(irq_to_gpio(irq) & 0x1f)
#define IRQ_TO_BIT(irq) BIT((irq - JZ4740_IRQ_GPIO(0)) & 0x1f)
static void jz_gpio_check_trigger_both(struct jz_gpio_chip *chip, unsigned int irq)
{

2
arch/mips/kernel/r2300_fpu.S
View File

@ -125,7 +125,7 @@ LEAF(_restore_fp_context)
END(_restore_fp_context)
.set reorder
.type fault@function
.type fault, @function
.ent fault
fault: li v0, -EFAULT
jr ra

2
arch/mips/kernel/r4k_fpu.S
View File

@ -358,7 +358,7 @@ LEAF(_restore_msa_all_upper)
.set reorder
.type fault@function
.type fault, @function
.ent fault
fault: li v0, -EFAULT # failure
jr ra

13
arch/mips/kernel/traps.c
View File

@ -690,15 +690,15 @@ static int simulate_sync(struct pt_regs *regs, unsigned int opcode)
asmlinkage void do_ov(struct pt_regs *regs)
{
enum ctx_state prev_state;
siginfo_t info;
siginfo_t info = {
.si_signo = SIGFPE,
.si_code = FPE_INTOVF,
.si_addr = (void __user *)regs->cp0_epc,
};
prev_state = exception_enter();
die_if_kernel("Integer overflow", regs);
info.si_code = FPE_INTOVF;
info.si_signo = SIGFPE;
info.si_errno = 0;
info.si_addr = (void __user *) regs->cp0_epc;
force_sig_info(SIGFPE, &info, current);
exception_exit(prev_state);
}
@ -874,7 +874,7 @@ out:
void do_trap_or_bp(struct pt_regs *regs, unsigned int code,
const char *str)
{
siginfo_t info;
siginfo_t info = { 0 };
char b[40];
#ifdef CONFIG_KGDB_LOW_LEVEL_TRAP
@ -903,7 +903,6 @@ void do_trap_or_bp(struct pt_regs *regs, unsigned int code,
else
info.si_code = FPE_INTOVF;
info.si_signo = SIGFPE;
info.si_errno = 0;
info.si_addr = (void __user *) regs->cp0_epc;
force_sig_info(SIGFPE, &info, current);
break;

4
arch/mips/kvm/mips.c
View File

@ -702,7 +702,7 @@ static int kvm_mips_get_reg(struct kvm_vcpu *vcpu,
} else if ((reg->id & KVM_REG_SIZE_MASK) == KVM_REG_SIZE_U128) {
void __user *uaddr = (void __user *)(long)reg->addr;
return copy_to_user(uaddr, vs, 16);
return copy_to_user(uaddr, vs, 16) ? -EFAULT : 0;
} else {
return -EINVAL;
}
@ -732,7 +732,7 @@ static int kvm_mips_set_reg(struct kvm_vcpu *vcpu,
} else if ((reg->id & KVM_REG_SIZE_MASK) == KVM_REG_SIZE_U128) {
void __user *uaddr = (void __user *)(long)reg->addr;
return copy_from_user(vs, uaddr, 16);
return copy_from_user(vs, uaddr, 16) ? -EFAULT : 0;
} else {
return -EINVAL;
}

4
arch/mips/mm/mmap.c
View File

@ -146,7 +146,7 @@ unsigned long arch_mmap_rnd(void)
{
unsigned long rnd;
rnd = (unsigned long)get_random_int();
rnd = get_random_long();
rnd <<= PAGE_SHIFT;
if (TASK_IS_32BIT_ADDR)
rnd &= 0xfffffful;
@ -174,7 +174,7 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
static inline unsigned long brk_rnd(void)
{
unsigned long rnd = get_random_int();
unsigned long rnd = get_random_long();
rnd = rnd << PAGE_SHIFT;
/* 8MB for 32bit, 256MB for 64bit */

13
arch/mips/mm/sc-mips.c
View File

@ -164,11 +164,13 @@ static int __init mips_sc_probe_cm3(void)
sets = cfg & CM_GCR_L2_CONFIG_SET_SIZE_MSK;
sets >>= CM_GCR_L2_CONFIG_SET_SIZE_SHF;
c->scache.sets = 64 << sets;
if (sets)
c->scache.sets = 64 << sets;
line_sz = cfg & CM_GCR_L2_CONFIG_LINE_SIZE_MSK;
line_sz >>= CM_GCR_L2_CONFIG_LINE_SIZE_SHF;
c->scache.linesz = 2 << line_sz;
if (line_sz)
c->scache.linesz = 2 << line_sz;
assoc = cfg & CM_GCR_L2_CONFIG_ASSOC_MSK;
assoc >>= CM_GCR_L2_CONFIG_ASSOC_SHF;
@ -176,9 +178,12 @@ static int __init mips_sc_probe_cm3(void)
c->scache.waysize = c->scache.sets * c->scache.linesz;
c->scache.waybit = __ffs(c->scache.waysize);
c->scache.flags &= ~MIPS_CACHE_NOT_PRESENT;
if (c->scache.linesz) {
c->scache.flags &= ~MIPS_CACHE_NOT_PRESENT;
return 1;
}
return 1;
return 0;
}
static inline int __init mips_sc_probe(void)

2
arch/parisc/include/asm/floppy.h
View File

@ -33,7 +33,7 @@
* floppy accesses go through the track buffer.
*/
#define _CROSS_64KB(a,s,vdma) \
(!vdma && ((unsigned long)(a)/K_64 != ((unsigned long)(a) + (s) - 1) / K_64))
(!(vdma) && ((unsigned long)(a)/K_64 != ((unsigned long)(a) + (s) - 1) / K_64))
#define CROSS_64KB(a,s) _CROSS_64KB(a,s,use_virtual_dma & 1)

3
arch/parisc/include/uapi/asm/unistd.h
View File

@ -361,8 +361,9 @@
#define __NR_membarrier (__NR_Linux + 343)
#define __NR_userfaultfd (__NR_Linux + 344)
#define __NR_mlock2 (__NR_Linux + 345)
#define __NR_copy_file_range (__NR_Linux + 346)
#define __NR_Linux_syscalls (__NR_mlock2 + 1)
#define __NR_Linux_syscalls (__NR_copy_file_range + 1)
#define __IGNORE_select /* newselect */

16
arch/parisc/kernel/ptrace.c
View File

@ -269,14 +269,19 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
long do_syscall_trace_enter(struct pt_regs *regs)
{
long ret = 0;
/* Do the secure computing check first. */
secure_computing_strict(regs->gr[20]);
if (test_thread_flag(TIF_SYSCALL_TRACE) &&
tracehook_report_syscall_entry(regs))
ret = -1L;
tracehook_report_syscall_entry(regs)) {
/*
* Tracing decided this syscall should not happen or the
* debugger stored an invalid system call number. Skip
* the system call and the system call restart handling.
*/
regs->gr[20] = -1UL;
goto out;
}
#ifdef CONFIG_64BIT
if (!is_compat_task())
@ -290,7 +295,8 @@ long do_syscall_trace_enter(struct pt_regs *regs)
regs->gr[24] & 0xffffffff,
regs->gr[23] & 0xffffffff);
return ret ? : regs->gr[20];
out:
return regs->gr[20];
}
void do_syscall_trace_exit(struct pt_regs *regs)

5
arch/parisc/kernel/syscall.S
View File

@ -343,7 +343,7 @@ tracesys_next:
#endif
comiclr,>>= __NR_Linux_syscalls, %r20, %r0
b,n .Lsyscall_nosys
b,n .Ltracesys_nosys
LDREGX %r20(%r19), %r19
@ -359,6 +359,9 @@ tracesys_next:
be 0(%sr7,%r19)
ldo R%tracesys_exit(%r2),%r2
.Ltracesys_nosys:
ldo -ENOSYS(%r0),%r28 /* set errno */
/* Do *not* call this function on the gateway page, because it
makes a direct call to syscall_trace. */

1
arch/parisc/kernel/syscall_table.S
View File

@ -441,6 +441,7 @@
ENTRY_SAME(membarrier)
ENTRY_SAME(userfaultfd)
ENTRY_SAME(mlock2) /* 345 */
ENTRY_SAME(copy_file_range)
.ifne (. - 90b) - (__NR_Linux_syscalls * (91b - 90b))

3
arch/powerpc/kernel/eeh_driver.c
View File

@ -418,8 +418,7 @@ static void *eeh_rmv_device(void *data, void *userdata)
eeh_pcid_put(dev);
if (driver->err_handler &&
driver->err_handler->error_detected &&
driver->err_handler->slot_reset &&
driver->err_handler->resume)
driver->err_handler->slot_reset)
return NULL;
}

3
arch/powerpc/kernel/hw_breakpoint.c
View File

@ -109,8 +109,9 @@ void arch_unregister_hw_breakpoint(struct perf_event *bp)
* If the breakpoint is unregistered between a hw_breakpoint_handler()
* and the single_step_dabr_instruction(), then cleanup the breakpoint
* restoration variables to prevent dangling pointers.
* FIXME, this should not be using bp->ctx at all! Sayeth peterz.
*/
if (bp->ctx && bp->ctx->task)
if (bp->ctx && bp->ctx->task && bp->ctx->task != ((void *)-1L))
bp->ctx->task->thread.last_hit_ubp = NULL;
}

4
arch/powerpc/kernel/process.c
View File

@ -1768,9 +1768,9 @@ static inline unsigned long brk_rnd(void)
/* 8MB for 32bit, 1GB for 64bit */
if (is_32bit_task())
rnd = (long)(get_random_int() % (1<<(23-PAGE_SHIFT)));
rnd = (get_random_long() % (1UL<<(23-PAGE_SHIFT)));
else
rnd = (long)(get_random_int() % (1<<(30-PAGE_SHIFT)));
rnd = (get_random_long() % (1UL<<(30-PAGE_SHIFT)));
return rnd << PAGE_SHIFT;
}

8
arch/powerpc/mm/hash64_64k.c
View File

@ -111,7 +111,13 @@ int __hash_page_4K(unsigned long ea, unsigned long access, unsigned long vsid,
*/
if (!(old_pte & _PAGE_COMBO)) {
flush_hash_page(vpn, rpte, MMU_PAGE_64K, ssize, flags);
old_pte &= ~_PAGE_HASHPTE | _PAGE_F_GIX | _PAGE_F_SECOND;
/*
* clear the old slot details from the old and new pte.
* On hash insert failure we use old pte value and we don't
* want slot information there if we have a insert failure.
*/
old_pte &= ~(_PAGE_HASHPTE | _PAGE_F_GIX | _PAGE_F_SECOND);
new_pte &= ~(_PAGE_HASHPTE | _PAGE_F_GIX | _PAGE_F_SECOND);
goto htab_insert_hpte;
}
/*

12
arch/powerpc/mm/hugepage-hash64.c
View File

@ -78,9 +78,19 @@ int __hash_page_thp(unsigned long ea, unsigned long access, unsigned long vsid,
* base page size. This is because demote_segment won't flush
* hash page table entries.
*/
if ((old_pmd & _PAGE_HASHPTE) && !(old_pmd & _PAGE_COMBO))
if ((old_pmd & _PAGE_HASHPTE) && !(old_pmd & _PAGE_COMBO)) {
flush_hash_hugepage(vsid, ea, pmdp, MMU_PAGE_64K,
ssize, flags);
/*
* With THP, we also clear the slot information with
* respect to all the 64K hash pte mapping the 16MB
* page. They are all invalid now. This make sure we
* don't find the slot valid when we fault with 4k
* base page size.
*
*/
memset(hpte_slot_array, 0, PTE_FRAG_SIZE);
}
}
valid = hpte_valid(hpte_slot_array, index);

13
arch/powerpc/mm/hugetlbpage-book3e.c
View File

@ -8,6 +8,8 @@
#include <linux/mm.h>
#include <linux/hugetlb.h>
#include <asm/mmu.h>
#ifdef CONFIG_PPC_FSL_BOOK3E
#ifdef CONFIG_PPC64
static inline int tlb1_next(void)
@ -60,6 +62,14 @@ static inline void book3e_tlb_lock(void)
unsigned long tmp;
int token = smp_processor_id() + 1;
/*
* Besides being unnecessary in the absence of SMT, this
* check prevents trying to do lbarx/stbcx. on e5500 which
* doesn't implement either feature.
*/
if (!cpu_has_feature(CPU_FTR_SMT))
return;
asm volatile("1: lbarx %0, 0, %1;"
"cmpwi %0, 0;"
"bne 2f;"
@ -80,6 +90,9 @@ static inline void book3e_tlb_unlock(void)
{
struct paca_struct *paca = get_paca();
if (!cpu_has_feature(CPU_FTR_SMT))
return;
isync();
paca->tcd_ptr->lock = 0;
}

4
arch/powerpc/mm/mmap.c
View File

@ -59,9 +59,9 @@ unsigned long arch_mmap_rnd(void)
/* 8MB for 32bit, 1GB for 64bit */
if (is_32bit_task())
rnd = (unsigned long)get_random_int() % (1<<(23-PAGE_SHIFT));
rnd = get_random_long() % (1<<(23-PAGE_SHIFT));
else
rnd = (unsigned long)get_random_int() % (1<<(30-PAGE_SHIFT));
rnd = get_random_long() % (1UL<<(30-PAGE_SHIFT));
return rnd << PAGE_SHIFT;
}

2
arch/s390/include/asm/fpu/internal.h
View File

@ -40,6 +40,7 @@ static inline void convert_fp_to_vx(__vector128 *vxrs, freg_t *fprs)
static inline void fpregs_store(_s390_fp_regs *fpregs, struct fpu *fpu)
{
fpregs->pad = 0;
fpregs->fpc = fpu->fpc;
if (MACHINE_HAS_VX)
convert_vx_to_fp((freg_t *)&fpregs->fprs, fpu->vxrs);
else
@ -49,6 +50,7 @@ static inline void fpregs_store(_s390_fp_regs *fpregs, struct fpu *fpu)
static inline void fpregs_load(_s390_fp_regs *fpregs, struct fpu *fpu)
{
fpu->fpc = fpregs->fpc;
if (MACHINE_HAS_VX)
convert_fp_to_vx(fpu->vxrs, (freg_t *)&fpregs->fprs);
else

2
arch/s390/kernel/compat_signal.c
View File

@ -271,7 +271,7 @@ static int restore_sigregs_ext32(struct pt_regs *regs,
/* Restore high gprs from signal stack */
if (__copy_from_user(&gprs_high, &sregs_ext->gprs_high,
sizeof(&sregs_ext->gprs_high)))
sizeof(sregs_ext->gprs_high)))
return -EFAULT;
for (i = 0; i < NUM_GPRS; i++)
*(__u32 *)&regs->gprs[i] = gprs_high[i];

6
arch/sparc/Makefile
View File

@ -24,7 +24,13 @@ LDFLAGS := -m elf32_sparc
export BITS := 32
UTS_MACHINE := sparc
# We are adding -Wa,-Av8 to KBUILD_CFLAGS to deal with a specs bug in some
# versions of gcc. Some gcc versions won't pass -Av8 to binutils when you
# give -mcpu=v8. This silently worked with older bintutils versions but
# does not any more.
KBUILD_CFLAGS += -m32 -mcpu=v8 -pipe -mno-fpu -fcall-used-g5 -fcall-used-g7
KBUILD_CFLAGS += -Wa,-Av8
KBUILD_AFLAGS += -m32 -Wa,-Av8
else

3
arch/sparc/include/uapi/asm/unistd.h
View File

@ -422,8 +422,9 @@
#define __NR_listen 354
#define __NR_setsockopt 355
#define __NR_mlock2 356
#define __NR_copy_file_range 357
#define NR_syscalls 357
#define NR_syscalls 358
/* Bitmask values returned from kern_features system call. */
#define KERN_FEATURE_MIXED_MODE_STACK 0x00000001

17
arch/sparc/kernel/entry.S
View File

@ -948,7 +948,24 @@ linux_syscall_trace:
cmp %o0, 0
bne 3f
mov -ENOSYS, %o0
/* Syscall tracing can modify the registers. */
ld [%sp + STACKFRAME_SZ + PT_G1], %g1
sethi %hi(sys_call_table), %l7
ld [%sp + STACKFRAME_SZ + PT_I0], %i0
or %l7, %lo(sys_call_table), %l7
ld [%sp + STACKFRAME_SZ + PT_I1], %i1
ld [%sp + STACKFRAME_SZ + PT_I2], %i2
ld [%sp + STACKFRAME_SZ + PT_I3], %i3
ld [%sp + STACKFRAME_SZ + PT_I4], %i4
ld [%sp + STACKFRAME_SZ + PT_I5], %i5
cmp %g1, NR_syscalls
bgeu 3f
mov -ENOSYS, %o0
sll %g1, 2, %l4
mov %i0, %o0
ld [%l7 + %l4], %l7
mov %i1, %o1
mov %i2, %o2
mov %i3, %o3

3
arch/sparc/kernel/hvcalls.S
View File

@ -338,8 +338,9 @@ ENTRY(sun4v_mach_set_watchdog)
mov %o1, %o4
mov HV_FAST_MACH_SET_WATCHDOG, %o5
ta HV_FAST_TRAP
brnz,a,pn %o4, 0f
stx %o1, [%o4]
retl
0: retl
nop
ENDPROC(sun4v_mach_set_watchdog)

2
arch/sparc/kernel/signal_64.c
View File

@ -52,7 +52,7 @@ asmlinkage void sparc64_set_context(struct pt_regs *regs)
unsigned char fenab;
int err;
flush_user_windows();
synchronize_user_stack();
if (get_thread_wsaved() ||
(((unsigned long)ucp) & (sizeof(unsigned long)-1)) ||
(!__access_ok(ucp, sizeof(*ucp))))

1
arch/sparc/kernel/sparc_ksyms_64.c
View File

@ -37,6 +37,7 @@ EXPORT_SYMBOL(sun4v_niagara_getperf);
EXPORT_SYMBOL(sun4v_niagara_setperf);
EXPORT_SYMBOL(sun4v_niagara2_getperf);
EXPORT_SYMBOL(sun4v_niagara2_setperf);
EXPORT_SYMBOL(sun4v_mach_set_watchdog);
/* from hweight.S */
EXPORT_SYMBOL(__arch_hweight8);

2
arch/sparc/kernel/sys_sparc_64.c
View File

@ -264,7 +264,7 @@ static unsigned long mmap_rnd(void)
unsigned long rnd = 0UL;
if (current->flags & PF_RANDOMIZE) {
unsigned long val = get_random_int();
unsigned long val = get_random_long();
if (test_thread_flag(TIF_32BIT))
rnd = (val % (1UL << (23UL-PAGE_SHIFT)));
else

36
arch/sparc/kernel/syscalls.S
View File

@ -158,7 +158,25 @@ linux_syscall_trace32:
add %sp, PTREGS_OFF, %o0
brnz,pn %o0, 3f
mov -ENOSYS, %o0
/* Syscall tracing can modify the registers. */
ldx [%sp + PTREGS_OFF + PT_V9_G1], %g1
sethi %hi(sys_call_table32), %l7
ldx [%sp + PTREGS_OFF + PT_V9_I0], %i0
or %l7, %lo(sys_call_table32), %l7
ldx [%sp + PTREGS_OFF + PT_V9_I1], %i1
ldx [%sp + PTREGS_OFF + PT_V9_I2], %i2
ldx [%sp + PTREGS_OFF + PT_V9_I3], %i3
ldx [%sp + PTREGS_OFF + PT_V9_I4], %i4
ldx [%sp + PTREGS_OFF + PT_V9_I5], %i5
cmp %g1, NR_syscalls
bgeu,pn %xcc, 3f
mov -ENOSYS, %o0
sll %g1, 2, %l4
srl %i0, 0, %o0
lduw [%l7 + %l4], %l7
srl %i4, 0, %o4
srl %i1, 0, %o1
srl %i2, 0, %o2
@ -170,7 +188,25 @@ linux_syscall_trace:
add %sp, PTREGS_OFF, %o0
brnz,pn %o0, 3f
mov -ENOSYS, %o0
/* Syscall tracing can modify the registers. */
ldx [%sp + PTREGS_OFF + PT_V9_G1], %g1
sethi %hi(sys_call_table64), %l7
ldx [%sp + PTREGS_OFF + PT_V9_I0], %i0
or %l7, %lo(sys_call_table64), %l7
ldx [%sp + PTREGS_OFF + PT_V9_I1], %i1
ldx [%sp + PTREGS_OFF + PT_V9_I2], %i2
ldx [%sp + PTREGS_OFF + PT_V9_I3], %i3
ldx [%sp + PTREGS_OFF + PT_V9_I4], %i4
ldx [%sp + PTREGS_OFF + PT_V9_I5], %i5
cmp %g1, NR_syscalls
bgeu,pn %xcc, 3f
mov -ENOSYS, %o0
sll %g1, 2, %l4
mov %i0, %o0
lduw [%l7 + %l4], %l7
mov %i1, %o1
mov %i2, %o2
mov %i3, %o3

2
arch/sparc/kernel/systbls_32.S
View File

@ -88,4 +88,4 @@ sys_call_table:
/*340*/ .long sys_ni_syscall, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
/*345*/ .long sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf
/*350*/ .long sys_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen
/*355*/ .long sys_setsockopt, sys_mlock2
/*355*/ .long sys_setsockopt, sys_mlock2, sys_copy_file_range

4
arch/sparc/kernel/systbls_64.S
View File

@ -89,7 +89,7 @@ sys_call_table32:
/*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
.word sys32_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf
/*350*/ .word sys32_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen
.word compat_sys_setsockopt, sys_mlock2
.word compat_sys_setsockopt, sys_mlock2, sys_copy_file_range
#endif /* CONFIG_COMPAT */
@ -170,4 +170,4 @@ sys_call_table:
/*340*/ .word sys_kern_features, sys_kcmp, sys_finit_module, sys_sched_setattr, sys_sched_getattr
.word sys_renameat2, sys_seccomp, sys_getrandom, sys_memfd_create, sys_bpf
/*350*/ .word sys64_execveat, sys_membarrier, sys_userfaultfd, sys_bind, sys_listen
.word sys_setsockopt, sys_mlock2
.word sys_setsockopt, sys_mlock2, sys_copy_file_range

1
arch/um/kernel/reboot.c
View File

@ -12,6 +12,7 @@
#include <skas.h>
void (*pm_power_off)(void);
EXPORT_SYMBOL(pm_power_off);
static void kill_off_processes(void)
{

2
arch/um/kernel/signal.c
View File

@ -69,7 +69,7 @@ void do_signal(struct pt_regs *regs)
struct ksignal ksig;
int handled_sig = 0;
if (get_signal(&ksig)) {
while (get_signal(&ksig)) {
handled_sig = 1;
/* Whee! Actually deliver the signal. */
handle_signal(&ksig, regs);

1
arch/x86/entry/entry_32.S
View File

@ -294,6 +294,7 @@ sysenter_past_esp:
pushl $__USER_DS /* pt_regs->ss */
pushl %ebp /* pt_regs->sp (stashed in bp) */
pushfl /* pt_regs->flags (except IF = 0) */
ASM_CLAC /* Clear AC after saving FLAGS */
orl $X86_EFLAGS_IF, (%esp) /* Fix IF */
pushl $__USER_CS /* pt_regs->cs */
pushl $0 /* pt_regs->ip = 0 (placeholder) */

1
arch/x86/entry/entry_64_compat.S
View File

@ -261,6 +261,7 @@ ENTRY(entry_INT80_compat)
* Interrupts are off on entry.
*/
PARAVIRT_ADJUST_EXCEPTION_FRAME
ASM_CLAC /* Do this early to minimize exposure */
SWAPGS
/*

2
arch/x86/include/asm/pci_x86.h
View File

@ -93,6 +93,8 @@ extern raw_spinlock_t pci_config_lock;
extern int (*pcibios_enable_irq)(struct pci_dev *dev);
extern void (*pcibios_disable_irq)(struct pci_dev *dev);
extern bool mp_should_keep_irq(struct device *dev);
struct pci_raw_ops {
int (*read)(unsigned int domain, unsigned int bus, unsigned int devfn,
int reg, int len, u32 *val);

26
arch/x86/include/asm/uaccess_32.h
View File

@ -48,20 +48,28 @@ __copy_to_user_inatomic(void __user *to, const void *from, unsigned long n)
switch (n) {
case 1:
__uaccess_begin();
__put_user_size(*(u8 *)from, (u8 __user *)to,
1, ret, 1);
__uaccess_end();
return ret;
case 2:
__uaccess_begin();
__put_user_size(*(u16 *)from, (u16 __user *)to,
2, ret, 2);
__uaccess_end();
return ret;
case 4:
__uaccess_begin();
__put_user_size(*(u32 *)from, (u32 __user *)to,
4, ret, 4);
__uaccess_end();
return ret;
case 8:
__uaccess_begin();
__put_user_size(*(u64 *)from, (u64 __user *)to,
8, ret, 8);
__uaccess_end();
return ret;
}
}
@ -103,13 +111,19 @@ __copy_from_user_inatomic(void *to, const void __user *from, unsigned long n)
switch (n) {
case 1:
__uaccess_begin();
__get_user_size(*(u8 *)to, from, 1, ret, 1);
__uaccess_end();
return ret;
case 2:
__uaccess_begin();
__get_user_size(*(u16 *)to, from, 2, ret, 2);
__uaccess_end();
return ret;
case 4:
__uaccess_begin();
__get_user_size(*(u32 *)to, from, 4, ret, 4);
__uaccess_end();
return ret;
}
}
@ -148,13 +162,19 @@ __copy_from_user(void *to, const void __user *from, unsigned long n)
switch (n) {
case 1:
__uaccess_begin();
__get_user_size(*(u8 *)to, from, 1, ret, 1);
__uaccess_end();
return ret;
case 2:
__uaccess_begin();
__get_user_size(*(u16 *)to, from, 2, ret, 2);
__uaccess_end();
return ret;
case 4:
__uaccess_begin();
__get_user_size(*(u32 *)to, from, 4, ret, 4);
__uaccess_end();
return ret;
}
}
@ -170,13 +190,19 @@ static __always_inline unsigned long __copy_from_user_nocache(void *to,
switch (n) {
case 1:
__uaccess_begin();
__get_user_size(*(u8 *)to, from, 1, ret, 1);
__uaccess_end();
return ret;
case 2:
__uaccess_begin();
__get_user_size(*(u16 *)to, from, 2, ret, 2);
__uaccess_end();
return ret;
case 4:
__uaccess_begin();
__get_user_size(*(u32 *)to, from, 4, ret, 4);
__uaccess_end();
return ret;
}
}

4
arch/x86/include/asm/xen/pci.h
View File

@ -57,7 +57,7 @@ static inline int xen_pci_frontend_enable_msi(struct pci_dev *dev,
{
if (xen_pci_frontend && xen_pci_frontend->enable_msi)
return xen_pci_frontend->enable_msi(dev, vectors);
return -ENODEV;
return -ENOSYS;
}
static inline void xen_pci_frontend_disable_msi(struct pci_dev *dev)
{
@ -69,7 +69,7 @@ static inline int xen_pci_frontend_enable_msix(struct pci_dev *dev,
{
if (xen_pci_frontend && xen_pci_frontend->enable_msix)
return xen_pci_frontend->enable_msix(dev, vectors, nvec);
return -ENODEV;
return -ENOSYS;
}
static inline void xen_pci_frontend_disable_msix(struct pci_dev *dev)
{

7
arch/x86/kernel/acpi/sleep.c
View File

@ -16,6 +16,7 @@
#include <asm/cacheflush.h>
#include <asm/realmode.h>
#include <linux/ftrace.h>
#include "../../realmode/rm/wakeup.h"
#include "sleep.h"
@ -107,7 +108,13 @@ int x86_acpi_suspend_lowlevel(void)
saved_magic = 0x123456789abcdef0L;
#endif /* CONFIG_64BIT */
/*
* Pause/unpause graph tracing around do_suspend_lowlevel as it has
* inconsistent call/return info after it jumps to the wakeup vector.
*/
pause_graph_tracing();
do_suspend_lowlevel();
unpause_graph_tracing();
return 0;
}

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