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

Browse Source 
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>
tirimbino
David S. Miller 9 years ago
parent d66ab51442 e2857b8f11
commit 810813c47a
435 changed files with 4497 additions and 3136 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 4
      Documentation/DocBook/media/v4l/media-types.xml
  2. 10
      Documentation/devicetree/bindings/regulator/tps65217.txt
  3. 4
      Documentation/watchdog/watchdog-parameters.txt
  4. 48
      MAINTAINERS
  5. 2
      Makefile
  6. 18
      arch/arc/Kconfig
  7. 4
      arch/arc/Makefile
  8. 4
      arch/arc/configs/axs101_defconfig
  9. 10
      arch/arc/configs/axs103_defconfig
  10. 10
      arch/arc/configs/axs103_smp_defconfig
  11. 5
      arch/arc/configs/nsim_700_defconfig
  12. 3
      arch/arc/configs/nsim_hs_defconfig
  13. 6
      arch/arc/configs/nsim_hs_smp_defconfig
  14. 2
      arch/arc/configs/nsimosci_defconfig
  15. 3
      arch/arc/configs/nsimosci_hs_defconfig
  16. 12
      arch/arc/configs/nsimosci_hs_smp_defconfig
  17. 18
      arch/arc/configs/tb10x_defconfig
  18. 32
      arch/arc/include/asm/arcregs.h
  19. 2
      arch/arc/include/asm/irq.h
  20. 11
      arch/arc/include/asm/irqflags-arcv2.h
  21. 11
      arch/arc/kernel/entry-arcv2.S
  22. 3
      arch/arc/kernel/intc-compact.c
  23. 60
      arch/arc/kernel/mcip.c
  24. 80
      arch/arc/kernel/setup.c
  25. 3
      arch/arc/kernel/smp.c
  26. 2
      arch/arm/boot/compressed/Makefile
  27. 14
      arch/arm/boot/dts/am335x-bone-common.dtsi
  28. 14
      arch/arm/boot/dts/am335x-chilisom.dtsi
  29. 14
      arch/arm/boot/dts/am335x-nano.dts
  30. 14
      arch/arm/boot/dts/am335x-pepper.dts
  31. 4
      arch/arm/boot/dts/am335x-shc.dts
  32. 13
      arch/arm/boot/dts/am335x-sl50.dts
  33. 4
      arch/arm/boot/dts/am57xx-beagle-x15.dts
  34. 2
      arch/arm/boot/dts/am57xx-cl-som-am57x.dts
  35. 1
      arch/arm/boot/dts/imx6qdl.dtsi
  36. 2
      arch/arm/boot/dts/kirkwood-ds112.dts
  37. 31
      arch/arm/boot/dts/orion5x-linkstation-lswtgl.dts
  38. 1
      arch/arm/boot/dts/r8a7791-porter.dts
  39. 2
      arch/arm/boot/dts/sama5d2-pinfunc.h
  40. 56
      arch/arm/boot/dts/tps65217.dtsi
  41. 1
      arch/arm/include/asm/arch_gicv3.h
  42. 21
      arch/arm/include/asm/xen/page-coherent.h
  43. 1
      arch/arm/kernel/Makefile
  44. 2
      arch/arm/kvm/guest.c
  45. 3
      arch/arm/kvm/mmio.c
  46. 22
      arch/arm/mach-omap2/board-generic.c
  47. 6
      arch/arm/mach-omap2/gpmc-onenand.c
  48. 14
      arch/arm/mach-omap2/omap_device.c
  49. 1
      arch/arm/mach-shmobile/common.h
  50. 6
      arch/arm/mach-shmobile/headsmp-scu.S
  51. 28
      arch/arm/mach-shmobile/headsmp.S
  52. 1
      arch/arm/mach-shmobile/platsmp-apmu.c
  53. 4
      arch/arm/mach-shmobile/platsmp-scu.c
  54. 2
      arch/arm/mach-shmobile/smp-r8a7779.c
  55. 2
      arch/arm/mm/mmap.c
  56. 3
      arch/arm/mm/pageattr.c
  57. 7
      arch/arm64/include/asm/pgtable.h
  58. 2
      arch/arm64/kvm/guest.c
  59. 20
      arch/arm64/kvm/hyp/vgic-v3-sr.c
  60. 4
      arch/arm64/mm/init.c
  61. 4
      arch/arm64/mm/mmap.c
  62. 2
      arch/mips/jz4740/gpio.c
  63. 2
      arch/mips/kernel/r2300_fpu.S
  64. 2
      arch/mips/kernel/r4k_fpu.S
  65. 13
      arch/mips/kernel/traps.c
  66. 4
      arch/mips/kvm/mips.c
  67. 4
      arch/mips/mm/mmap.c
  68. 13
      arch/mips/mm/sc-mips.c
  69. 2
      arch/parisc/include/asm/floppy.h
  70. 3
      arch/parisc/include/uapi/asm/unistd.h
  71. 16
      arch/parisc/kernel/ptrace.c
  72. 5
      arch/parisc/kernel/syscall.S
  73. 1
      arch/parisc/kernel/syscall_table.S
  74. 3
      arch/powerpc/kernel/eeh_driver.c
  75. 3
      arch/powerpc/kernel/hw_breakpoint.c
  76. 4
      arch/powerpc/kernel/process.c
  77. 8
      arch/powerpc/mm/hash64_64k.c
  78. 12
      arch/powerpc/mm/hugepage-hash64.c
  79. 13
      arch/powerpc/mm/hugetlbpage-book3e.c
  80. 4
      arch/powerpc/mm/mmap.c
  81. 2
      arch/s390/include/asm/fpu/internal.h
  82. 2
      arch/s390/kernel/compat_signal.c
  83. 6
      arch/sparc/Makefile
  84. 3
      arch/sparc/include/uapi/asm/unistd.h
  85. 17
      arch/sparc/kernel/entry.S
  86. 3
      arch/sparc/kernel/hvcalls.S
  87. 2
      arch/sparc/kernel/signal_64.c
  88. 1
      arch/sparc/kernel/sparc_ksyms_64.c
  89. 2
      arch/sparc/kernel/sys_sparc_64.c
  90. 36
      arch/sparc/kernel/syscalls.S
  91. 2
      arch/sparc/kernel/systbls_32.S
  92. 4
      arch/sparc/kernel/systbls_64.S
  93. 1
      arch/um/kernel/reboot.c
  94. 2
      arch/um/kernel/signal.c
  95. 1
      arch/x86/entry/entry_32.S
  96. 1
      arch/x86/entry/entry_64_compat.S
  97. 2
      arch/x86/include/asm/pci_x86.h
  98. 26
      arch/x86/include/asm/uaccess_32.h
  99. 4
      arch/x86/include/asm/xen/pci.h
  100. 7
      arch/x86/kernel/acpi/sleep.c
  101. Some files were not shown because too many files have changed in this diff Show More

4
Documentation/DocBook/media/v4l/media-types.xml
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@ -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
Unescape 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
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@ -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
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@ -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
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@ -1,7 +1,7 @@
VERSION = 4
PATCHLEVEL = 5
SUBLEVEL = 0
EXTRAVERSION = -rc5
EXTRAVERSION = -rc7
NAME = Blurry Fish Butt
# *DOCUMENTATION*

18
arch/arc/Kconfig
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@ -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
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@ -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
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@ -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
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@ -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
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@ -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
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@ -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
Unescape 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
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@ -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
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@ -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
Unescape 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
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@ -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
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@ -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
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@ -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
Unescape 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
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@ -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
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@ -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
Unescape 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
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@ -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
Unescape 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
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@ -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
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@ -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
Unescape 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
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@ -128,21 +128,16 @@
};
&tps {
compatible = "ti,tps65217";
/include/ "tps65217.dtsi"
&tps {
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
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@ -375,15 +375,11 @@
wp-gpios = <&gpio3 18 0>;
};
&tps {
compatible = "ti,tps65217";
#include "tps65217.dtsi"
&tps {
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
Unescape 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
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@ -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
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@ -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
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@ -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
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@ -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
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@ -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
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@ -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
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@ -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
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@ -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
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@ -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
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@ -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
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@ -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
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@ -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
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@ -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
Unescape 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
Unescape 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
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@ -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
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@ -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
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@ -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
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@ -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
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@ -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
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@ -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
Unescape 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
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@ -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
Unescape 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
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@ -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
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@ -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
Unescape 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
Unescape 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
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@ -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
Unescape 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
Unescape 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
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@ -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
Unescape 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
Unescape 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
Unescape 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
Unescape 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
Unescape 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
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@ -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
Unescape 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
Unescape 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
Unescape 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
Unescape 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
Unescape 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
Unescape 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
Unescape 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
Unescape 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
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@ -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
Unescape 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
Unescape 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
Unescape 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
Unescape 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
Unescape 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
Unescape 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
Unescape 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
Unescape 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
Unescape 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
Unescape 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
Unescape 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
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@ -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
Unescape 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
Unescape 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
Unescape 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
Unescape 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
Unescape 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
Unescape 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
Unescape 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
Unescape 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
Unescape 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
Unescape 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
Unescape 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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