PLEASE check your patch with the automated style checker
(scripts/checkpatch.pl) to catch trivial style violations.
- See Documentation/CodingStyle for guidance here.
+ See Documentation/process/coding-style.rst for guidance here.
PLEASE CC: the maintainers and mailing lists that are generated
by scripts/get_maintainer.pl. The results returned by the
script will be best if you have git installed and are making
your changes in a branch derived from Linus' latest git tree.
- See Documentation/SubmittingPatches for details.
+ See Documentation/process/submitting-patches.rst for details.
PLEASE try to include any credit lines you want added with the
patch. It avoids people being missed off by mistake and makes
of the Linux Foundation certificate of contribution and should
include a Signed-off-by: line. The current version of this
"Developer's Certificate of Origin" (DCO) is listed in the file
- Documentation/SubmittingPatches.
+ Documentation/process/submitting-patches.rst.
6. Make sure you have the right to send any changes you make. If you
do changes at work you may find your employer owns the patch
These reviewers should be CCed on patches.
L: Mailing list that is relevant to this area
W: Web-page with status/info
+ B: URI for where to file bugs. A web-page with detailed bug
+ filing info, a direct bug tracker link, or a mailto: URI.
+ C: URI for chat protocol, server and channel where developers
+ usually hang out, for example irc://server/channel.
Q: Patchwork web based patch tracking system site
T: SCM tree type and location.
Type is one of: git, hg, quilt, stgit, topgit
+ B: Bug tracking system location.
S: Status, one of the following:
Supported: Someone is actually paid to look after this.
Maintained: Someone actually looks after it.
S: Maintained
F: drivers/gpio/gpio-104-idio-16.c
+ACCES 104-QUAD-8 IIO DRIVER
+S: Maintained
+F: drivers/iio/counter/104-quad-8.c
+
ACENIC DRIVER
W: https://01.org/linux-acpi
Q: https://patchwork.kernel.org/project/linux-acpi/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
+B: https://bugzilla.kernel.org
S: Supported
F: drivers/acpi/
F: drivers/pnp/pnpacpi/
W: https://github.com/acpica/acpica/
Q: https://patchwork.kernel.org/project/linux-acpi/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
+B: https://bugzilla.kernel.org
+B: https://bugs.acpica.org
S: Supported
F: drivers/acpi/acpica/
F: include/acpi/
W: https://01.org/linux-acpi
+B: https://bugzilla.kernel.org
S: Supported
F: drivers/acpi/fan.c
W: https://01.org/linux-acpi
+B: https://bugzilla.kernel.org
S: Supported
F: drivers/acpi/*thermal*
W: https://01.org/linux-acpi
+B: https://bugzilla.kernel.org
S: Supported
F: drivers/acpi/acpi_video.c
F: fs/afs/
F: include/net/af_rxrpc.h
F: net/rxrpc/af_rxrpc.c
+W: https://www.infradead.org/~dhowells/kafs/
AGPGART DRIVER
S: Maintained
F: drivers/media/usb/airspy/
+ALACRITECH GIGABIT ETHERNET DRIVER
+S: Maintained
+F: drivers/net/ethernet/alacritech/*
+
ALCATEL SPEEDTOUCH USB DRIVER
F: drivers/iio/*/ad*
X: drivers/iio/*/adjd*
F: drivers/staging/iio/*/ad*
-F: staging/iio/trigger/iio-trig-bfin-timer.c
+F: drivers/staging/iio/trigger/iio-trig-bfin-timer.c
ANALOG DEVICES INC DMA DRIVERS
S: Maintained
N: sun[x456789]i
F: arch/arm/boot/dts/ntc-gr8*
+F: arch/arm64/boot/dts/allwinner/
ARM/Allwinner SoC Clock Support
F: arch/arm/boot/dts/meson*
F: arch/arm64/boot/dts/amlogic/
F: drivers/pinctrl/meson/
+F: drivers/mmc/host/meson*
N: meson
ARM/Annapurna Labs ALPINE ARCHITECTURE
S: Maintained
F: arch/arm/mach-oxnas/
-F: arch/arm/boot/dts/oxnas*
+F: arch/arm/boot/dts/ox8*.dtsi
F: arch/arm/boot/dts/wd-mbwe.dts
+F: arch/arm/boot/dts/cloudengines-pogoplug-series-3.dts
N: oxnas
ARM/Mediatek RTC DRIVER
F: arch/arm64/boot/dts/qcom/*
F: drivers/i2c/busses/i2c-qup.c
F: drivers/clk/qcom/
+F: drivers/pinctrl/qcom/
F: drivers/soc/qcom/
F: drivers/spi/spi-qup.c
F: drivers/tty/serial/msm_serial.h
F: drivers/clocksource/arm_global_timer.c
F: drivers/clocksource/clksrc_st_lpc.c
F: drivers/cpufreq/sti-cpufreq.c
+F: drivers/dma/st_fdma*
F: drivers/i2c/busses/i2c-st.c
F: drivers/media/rc/st_rc.c
F: drivers/media/platform/sti/c8sectpfe/
F: drivers/mmc/host/sdhci-st.c
F: drivers/phy/phy-miphy28lp.c
-F: drivers/phy/phy-miphy365x.c
F: drivers/phy/phy-stih407-usb.c
-F: drivers/phy/phy-stih41x-usb.c
F: drivers/pinctrl/pinctrl-st.c
F: drivers/remoteproc/st_remoteproc.c
+F: drivers/remoteproc/st_slim_rproc.c
F: drivers/reset/sti/
F: drivers/rtc/rtc-st-lpc.c
F: drivers/tty/serial/st-asc.c
F: drivers/usb/host/ohci-st.c
F: drivers/watchdog/st_lpc_wdt.c
F: drivers/ata/ahci_st.c
+F: include/linux/remoteproc/st_slim_rproc.h
ARM/STM32 ARCHITECTURE
F: include/net/ax25.h
F: net/ax25/
+AXENTIA ASOC DRIVERS
+S: Maintained
+F: Documentation/devicetree/bindings/sound/axentia,*
+F: sound/soc/atmel/tse850-pcm5142.c
+
AZ6007 DVB DRIVER
S: Supported
F: kernel/bpf/
+F: tools/testing/selftests/bpf/
+F: lib/test_bpf.c
BROADCOM B44 10/100 ETHERNET DRIVER
T: git git://git.kernel.org/pub/scm/linux/kernel/git/rpi/linux-rpi.git
S: Maintained
N: bcm2835
+F: drivers/staging/vc04_services
BROADCOM BCM47XX MIPS ARCHITECTURE
S: Maintained
F: drivers/mtd/nand/brcmnand/
+BROADCOM STB AVS CPUFREQ DRIVER
+S: Maintained
+F: Documentation/devicetree/bindings/cpufreq/brcm,stb-avs-cpu-freq.txt
+F: drivers/cpufreq/brcmstb*
+
BROADCOM SPECIFIC AMBA DRIVER (BCMA)
F: drivers/net/ethernet/broadcom/bcmsysport.*
BROADCOM VULCAN ARM64 SOC
-M: Jayachandran C. <jchandra@broadcom.com>
+M: Jayachandran C. <c.jayachandran@gmail.com>
S: Maintained
S: Maintained
F: drivers/iio/light/cm*
-F: Documentation/devicetree/bindings/i2c/trivial-devices.txt
+F: Documentation/devicetree/bindings/i2c/trivial-admin-guide/devices.rst
CAVIUM I2C DRIVER
T: git git://linuxtv.org/media_tree.git
W: http://linuxtv.org
S: Supported
-F: Documentation/cec.txt
+F: Documentation/media/kapi/cec-core.rst
F: Documentation/media/uapi/cec
-F: drivers/staging/media/cec/
+F: drivers/media/cec/
F: drivers/media/cec-edid.c
F: drivers/media/rc/keymaps/rc-cec.c
F: include/media/cec.h
F: include/media/cec-edid.h
-F: include/linux/cec.h
-F: include/linux/cec-funcs.h
+F: include/uapi/linux/cec.h
+F: include/uapi/linux/cec-funcs.h
CELL BROADBAND ENGINE ARCHITECTURE
F: drivers/usb/wusbcore/
F: include/linux/usb/wusb*
+HT16K33 LED CONTROLLER DRIVER
+S: Maintained
+F: drivers/auxdisplay/ht16k33.c
+F: Documentation/devicetree/bindings/display/ht16k33.txt
+
CFAG12864B LCD DRIVER
W: http://miguelojeda.es/auxdisplay.htm
S: Maintained
-F: Documentation/zh_CN/
+F: Documentation/translations/zh_CN/
CHIPIDEA USB HIGH SPEED DUAL ROLE CONTROLLER
F: drivers/clocksource
CISCO FCOE HBA DRIVER
-M: Hiral Patel <hiralpat@cisco.com>
-M: Suma Ramars <sramars@cisco.com>
-M: Brian Uchino <buchino@cisco.com>
+M: Satish Kharat <satishkh@cisco.com>
+M: Sesidhar Baddela <sebaddel@cisco.com>
+M: Karan Tilak Kumar <kartilak@cisco.com>
S: Supported
F: drivers/scsi/fnic/
CISCO SCSI HBA DRIVER
-M: Narsimhulu Musini <nmusini@cisco.com>
+M: Karan Tilak Kumar <kartilak@cisco.com>
S: Supported
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git
T: git git://git.linaro.org/people/vireshk/linux.git (For ARM Updates)
+B: https://bugzilla.kernel.org
F: Documentation/cpu-freq/
F: drivers/cpufreq/
F: include/linux/cpufreq.h
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git
+B: https://bugzilla.kernel.org
F: drivers/cpuidle/*
F: include/linux/cpuidle.h
F: crypto/
F: drivers/crypto/
F: include/crypto/
+F: include/linux/crypto*
CRYPTOGRAPHIC RANDOM NUMBER GENERATOR
F: include/linux/reservation.h
F: include/linux/*fence.h
F: Documentation/dma-buf-sharing.txt
-T: git git://git.linaro.org/people/sumitsemwal/linux-dma-buf.git
+T: git git://anongit.freedesktop.org/drm/drm-misc
SYNC FILE FRAMEWORK
S: Maintained
-F: drivers/dma-buf/sync_file.c
+F: drivers/dma-buf/sync_*
+F: drivers/dma-buf/sw_sync.c
F: include/linux/sync_file.h
+F: include/uapi/linux/sync_file.h
F: Documentation/sync_file.txt
-T: git git://git.linaro.org/people/sumitsemwal/linux-dma-buf.git
+T: git git://anongit.freedesktop.org/drm/drm-misc
DMA GENERIC OFFLOAD ENGINE SUBSYSTEM
T: git git://people.freedesktop.org/~airlied/linux
+B: https://bugs.freedesktop.org/
+C: irc://chat.freenode.net/dri-devel
S: Maintained
F: drivers/gpu/drm/
F: drivers/gpu/vga/
F: include/drm/
F: include/uapi/drm/
+DRM DRIVERS AND MISC GPU PATCHES
+W: https://01.org/linuxgraphics/gfx-docs/maintainer-tools/drm-misc.html
+S: Maintained
+T: git git://anongit.freedesktop.org/drm/drm-misc
+F: Documentation/gpu/
+F: drivers/gpu/vga/
+F: drivers/gpu/drm/*
+F: include/drm/drm*
+F: include/uapi/drm/drm*
+
DRM DRIVER FOR AST SERVER GRAPHICS CHIPS
S: Odd Fixes
F: drivers/gpu/drm/ast/
+DRM DRIVERS FOR BRIDGE CHIPS
+S: Maintained
+T: git git://anongit.freedesktop.org/drm/drm-misc
+F: drivers/gpu/drm/bridge/
+
DRM DRIVER FOR BOCHS VIRTUAL GPU
S: Odd Fixes
W: https://01.org/linuxgraphics/
+B: https://01.org/linuxgraphics/documentation/how-report-bugs
+C: irc://chat.freenode.net/intel-gfx
Q: http://patchwork.freedesktop.org/project/intel-gfx/
T: git git://anongit.freedesktop.org/drm-intel
S: Supported
F: include/uapi/drm/i915_drm.h
F: Documentation/gpu/i915.rst
+INTEL GVT-g DRIVERS (Intel GPU Virtualization)
+W: https://01.org/igvt-g
+T: git https://github.com/01org/gvt-linux.git
+S: Supported
+F: drivers/gpu/drm/i915/gvt/
+
DRM DRIVERS FOR ATMEL HLCDC
F: drivers/gpu/drm/sun4i/
F: Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
+DRM DRIVERS FOR AMLOGIC SOCS
+W: http://linux-meson.com/
+S: Supported
+F: drivers/gpu/drm/meson/
+F: Documentation/devicetree/bindings/display/amlogic,meson-vpu.txt
+
DRM DRIVERS FOR EXYNOS
DRM DRIVERS FOR HISILICON
S: Maintained
F: drivers/gpu/drm/etnaviv/
F: drivers/gpu/drm/tilcdc/
F: Documentation/devicetree/bindings/display/tilcdc/
+DRM DRIVERS FOR ZTE ZX
+S: Maintained
+F: drivers/gpu/drm/zte/
+F: Documentation/devicetree/bindings/display/zte,vou.txt
+
DSBR100 USB FM RADIO DRIVER
T: git git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git for-next
T: git git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-edac.git linux_next
S: Supported
-F: Documentation/edac.txt
+F: Documentation/admin-guide/ras.rst
+F: Documentation/driver-api/edac.rst
F: drivers/edac/
F: include/linux/edac.h
T: git git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi.git
S: Maintained
F: Documentation/efi-stub.txt
-F: arch/ia64/kernel/efi.c
+F: arch/*/kernel/efi.c
F: arch/x86/boot/compressed/eboot.[ch]
-F: arch/x86/include/asm/efi.h
+F: arch/*/include/asm/efi.h
F: arch/x86/platform/efi/
F: drivers/firmware/efi/
F: include/linux/efi*.h
+F: arch/arm/boot/compressed/efi-header.S
+F: arch/arm64/kernel/efi-entry.S
EFI VARIABLE FILESYSTEM
S: Maintained
-EMULEX/AVAGO LPFC FC/FCOE SCSI DRIVER
-M: James Smart <james.smart@avagotech.com>
-M: Dick Kennedy <dick.kennedy@avagotech.com>
+EMULEX/BROADCOM LPFC FC/FCOE SCSI DRIVER
+M: James Smart <james.smart@broadcom.com>
+M: Dick Kennedy <dick.kennedy@broadcom.com>
-W: http://www.avagotech.com
+W: http://www.broadcom.com
S: Supported
F: drivers/scsi/lpfc/
FPGA MANAGER FRAMEWORK
S: Maintained
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/atull/linux-fpga.git
F: drivers/fpga/
F: include/linux/fpga/fpga-mgr.h
W: http://www.rocketboards.org
F: drivers/net/wan/sdla.c
FRAMEBUFFER LAYER
Q: http://patchwork.kernel.org/project/linux-fbdev/list/
-S: Maintained
+S: Orphan
F: Documentation/fb/
F: drivers/video/
F: include/video/
F: include/uapi/video/
F: include/uapi/linux/fb.h
+FREESCALE CAAM (Cryptographic Acceleration and Assurance Module) DRIVER
+S: Maintained
+F: drivers/crypto/caam/
+F: Documentation/devicetree/bindings/crypto/fsl-sec4.txt
+
FREESCALE DIU FRAMEBUFFER DRIVER
F: drivers/net/ethernet/freescale/fman
F: Documentation/devicetree/bindings/powerpc/fsl/fman.txt
+FREESCALE QORIQ DPAA ETHERNET DRIVER
+S: Maintained
+F: drivers/net/ethernet/freescale/dpaa
+
+FREESCALE SOC DRIVERS
+S: Maintained
+F: drivers/soc/fsl/
+F: include/linux/fsl/
+
FREESCALE QUICC ENGINE LIBRARY
-S: Orphan
+S: Maintained
F: drivers/soc/fsl/qe/
F: include/soc/fsl/*qe*.h
F: include/soc/fsl/*ucc*.h
F: sound/soc/fsl/imx*
F: sound/soc/fsl/mpc8610_hpcd.c
-FREESCALE QORIQ MANAGEMENT COMPLEX DRIVER
-S: Maintained
-F: drivers/staging/fsl-mc/
-
FREEVXFS FILESYSTEM
W: ftp://ftp.openlinux.org/pub/people/hch/vxfs
FS-CRYPTO: FILE SYSTEM LEVEL ENCRYPTION SUPPORT
S: Supported
F: fs/crypto/
F: include/linux/fscrypto.h
S: Maintained
F: scripts/gcc-plugins/
F: scripts/gcc-plugin.sh
+F: scripts/Makefile.gcc-plugins
F: Documentation/gcc-plugins.txt
GCOV BASED KERNEL PROFILING
HEWLETT-PACKARD SMART ARRAY RAID DRIVER (hpsa)
S: Supported
HEWLETT-PACKARD SMART CISS RAID DRIVER (cciss)
S: Supported
+B: https://bugzilla.kernel.org
S: Supported
F: arch/x86/power/
F: drivers/base/power/
F: drivers/pci/host/pci-hyperv.c
F: drivers/net/hyperv/
F: drivers/scsi/storvsc_drv.c
+F: drivers/uio/uio_hv_generic.c
F: drivers/video/fbdev/hyperv_fb.c
F: include/linux/hyperv.h
F: tools/hv/
F: Documentation/cdrom/ide-cd
F: drivers/ide/ide-cd*
-IDLE-I7300
-S: Supported
-F: drivers/idle/i7300_idle.c
-
IEEE 802.15.4 SUBSYSTEM
W: http://wpan.cakelab.org/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git
S: Maintained
F: drivers/media/rc/iguanair.c
+IIO DIGITAL POTENTIOMETER DAC
+S: Maintained
+F: Documentation/ABI/testing/sysfs-bus-iio-dac-dpot-dac
+F: Documentation/devicetree/bindings/iio/dac/dpot-dac.txt
+F: drivers/iio/dac/dpot-dac.c
+
+IIO ENVELOPE DETECTOR
+S: Maintained
+F: Documentation/ABI/testing/sysfs-bus-iio-adc-envelope-detector
+F: Documentation/devicetree/bindings/iio/adc/envelope-detector.txt
+F: drivers/iio/adc/envelope-detector.c
+
IIO SUBSYSTEM AND DRIVERS
F: drivers/platform/x86/intel-vbtn.c
INTEL IDLE DRIVER
T: git git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux.git
+B: https://bugzilla.kernel.org
S: Supported
F: drivers/idle/intel_idle.c
INTEL RDMA RNIC DRIVER
S: Supported
F: drivers/infiniband/hw/i40iw/
F: arch/x86/include/asm/pmc_core.h
F: drivers/platform/x86/intel_pmc_core*
+INVENSENSE MPU-3050 GYROSCOPE DRIVER
+S: Maintained
+F: drivers/iio/gyro/mpu3050*
+F: Documentation/devicetree/bindings/iio/gyroscope/inv,mpu3050.txt
+
IOC3 ETHERNET DRIVER
LED SUBSYSTEM
T: git git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds.git
S: Maintained
F: Documentation/ldm.txt
F: block/partitions/ldm.*
-LogFS
-W: logfs.org
-S: Maintained
-F: fs/logfs/
-
LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI)
MARVELL 88E6XXX ETHERNET SWITCH FABRIC DRIVER
S: Maintained
F: drivers/net/dsa/mv88e6xxx/
+F: Documentation/devicetree/bindings/net/dsa/marvell.txt
MARVELL ARMADA DRM SUPPORT
S: Maintained
+F: Documentation/ABI/testing/sysfs-bus-iio-potentiometer-mcp4531
F: drivers/iio/potentiometer/mcp4531.c
MEASUREMENT COMPUTING CIO-DAC IIO DRIVER
F: drivers/media/platform/rcar-fcp.c
F: include/media/rcar-fcp.h
+MEDIA DRIVERS FOR RENESAS - FDP1
+T: git git://linuxtv.org/media_tree.git
+S: Supported
+F: Documentation/devicetree/bindings/media/renesas,fdp1.txt
+F: drivers/media/platform/rcar_fdp1.c
+
MEDIA DRIVERS FOR RENESAS - VIN
S: Maintained
F: drivers/net/ethernet/mediatek/
+MEDIATEK MEDIA DRIVER
+S: Supported
+F: drivers/media/platform/mtk-vcodec/
+F: drivers/media/platform/mtk-vpu/
+F: Documentation/devicetree/bindings/media/mediatek-vcodec.txt
+F: Documentation/devicetree/bindings/media/mediatek-vpu.txt
+
+MEDIATEK MDP DRIVER
+S: Supported
+F: drivers/media/platform/mtk-mdp/
+F: drivers/media/platform/mtk-vpu/
+F: Documentation/devicetree/bindings/media/mediatek-mdp.txt
+
MEDIATEK MT7601U WIRELESS LAN DRIVER
F: drivers/net/wireless/mediatek/mt7601u/
MEGARAID SCSI/SAS DRIVERS
-M: Kashyap Desai <kashyap.desai@avagotech.com>
-M: Sumit Saxena <sumit.saxena@avagotech.com>
-M: Uday Lingala <uday.lingala@avagotech.com>
-L: megaraidlinux.pdl@avagotech.com
+M: Kashyap Desai <kashyap.desai@broadcom.com>
+M: Sumit Saxena <sumit.saxena@broadcom.com>
+M: Shivasharan S <shivasharan.srikanteshwara@broadcom.com>
+L: megaraidlinux.pdl@broadcom.com
-W: http://www.lsi.com
+W: http://www.avagotech.com/support/
S: Maintained
F: Documentation/scsi/megaraid.txt
F: drivers/scsi/megaraid.*
Q: http://patchwork.ozlabs.org/project/netdev/list/
F: drivers/net/ethernet/mellanox/mlxsw/
+MELLANOX MLXCPLD I2C AND MUX DRIVER
+S: Supported
+F: drivers/i2c/busses/i2c-mlxcpld.c
+F: drivers/i2c/muxes/i2c-mux-mlxcpld.c
+F: Documentation/i2c/busses/i2c-mlxcpld
+
MELLANOX MLXCPLD LED DRIVER
S: Supported
-F: arch/x86/platform/mellanox/mlx-platform.c
+F: drivers/platform/x86/mlx-platform.c
+
+MELLANOX MLX CPLD HOTPLUG DRIVER
+S: Supported
+F: drivers/platform/x86/mlxcpld-hotplug.c
+F: include/linux/platform_data/mlxcpld-hotplug.h
SOFT-ROCE DRIVER (rxe)
F: include/linux/mlx4/
MELLANOX MLX5 core VPI driver
S: Maintained
F: drivers/media/tuners/mxl5007t.*
+MXSFB DRM DRIVER
+S: Supported
+F: drivers/gpu/drm/mxsfb/
+F: Documentation/devicetree/bindings/display/mxsfb-drm.txt
+
MYRICOM MYRI-10G 10GbE DRIVER (MYRI10GE)
F: drivers/scsi/atari_scsi.*
F: drivers/scsi/dmx3191d.c
F: drivers/scsi/g_NCR5380.*
-F: drivers/scsi/g_NCR5380_mmio.c
F: drivers/scsi/mac_scsi.*
F: drivers/scsi/sun3_scsi.*
F: drivers/scsi/sun3_scsi_vme.c
F: tools/net/
F: tools/testing/selftests/net/
F: lib/random32.c
-F: lib/test_bpf.c
NETWORKING [IPv4/IPv6]
S: Supported
F: drivers/nvme/target/
+NVM EXPRESS FC TRANSPORT DRIVERS
+S: Supported
+F: include/linux/nvme-fc.h
+F: include/linux/nvme-fc-driver.h
+F: drivers/nvme/host/fc.c
+F: drivers/nvme/target/fc.c
+F: drivers/nvme/target/fcloop.c
+
NVMEM FRAMEWORK
F: drivers/regulator/tps65218-regulator.c
F: drivers/regulator/tps65910-regulator.c
F: drivers/regulator/twl-regulator.c
+F: drivers/regulator/twl6030-regulator.c
F: include/linux/i2c-omap.h
OMAP DEVICE TREE SUPPORT
OPENRISC ARCHITECTURE
-W: http://openrisc.net
+W: http://openrisc.io
S: Maintained
-T: git git://openrisc.net/~jonas/linux
F: arch/openrisc/
OPENVSWITCH
PARALLEL PORT SUBSYSTEM
-M: Sudip Mukherjee <sudip@vectorindia.org>
S: Maintained
F: drivers/parport/
F: drivers/pci/host/*layerscape*
PCI DRIVER FOR IMX6
-M: Richard Zhu <Richard.Zhu@freescale.com>
+M: Richard Zhu <hongxing.zhu@nxp.com>
S: Maintained
+F: Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt
F: drivers/pci/host/*imx6*
PCI DRIVER FOR TI KEYSTONE
PCI DRIVER FOR SYNOPSIS DESIGNWARE
-S: Maintained
-F: drivers/pci/host/*designware*
-
-PCI DRIVER FOR SYNOPSYS PROTOTYPING DEVICE
S: Maintained
F: Documentation/devicetree/bindings/pci/designware-pcie.txt
-F: drivers/pci/host/pcie-designware-plat.c
+F: drivers/pci/host/*designware*
PCI DRIVER FOR GENERIC OF HOSTS
F: arch/mips/configs/pistachio*_defconfig
PKTCDVD DRIVER
-S: Maintained
+S: Orphan
F: drivers/block/pktcdvd.c
F: include/linux/pktcdvd.h
F: include/uapi/linux/pktcdvd.h
T: git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
+B: https://bugzilla.kernel.org
S: Supported
F: drivers/base/power/
F: include/linux/pm.h
T: git git://linuxtv.org/media_tree.git
S: Maintained
-F: drivers/staging/media/pulse8-cec
+F: drivers/media/usb/pulse8-cec/*
PVRUSB2 VIDEO4LINUX DRIVER
PWM FAN DRIVER
-M: Lukasz Majewski <l.majewski@samsung.com>
+M: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
S: Supported
F: Documentation/devicetree/bindings/hwmon/pwm-fan.txt
F: include/uapi/linux/qnx4_fs.h
F: include/uapi/linux/qnxtypes.h
+QORIQ DPAA2 FSL-MC BUS DRIVER
+S: Maintained
+F: drivers/staging/fsl-mc/
+
QT1010 MEDIA DRIVER
S: Supported
F: drivers/infiniband/sw/rdmavt
+ RDT - RESOURCE ALLOCATION
+ S: Supported
+ F: arch/x86/kernel/cpu/intel_rdt*
+ F: arch/x86/include/asm/intel_rdt*
+ F: Documentation/x86/intel_rdt*
+
READ-COPY UPDATE (RCU)
F: drivers/pci/hotplug/s390_pci_hpc.c
S390 ZCRYPT DRIVER
-M: Ingo Tuchscherer <ingo.tuchscherer@de.ibm.com>
+M: Harald Freudenberger <freude@de.ibm.com>
W: http://www.ibm.com/developerworks/linux/linux390/
S: Supported
F: drivers/net/ethernet/samsung/sxgbe/
SAMSUNG THERMAL DRIVER
-M: Lukasz Majewski <l.majewski@samsung.com>
+M: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
S: Supported
F: Documentation/devicetree/bindings/serial/
F: drivers/tty/serial/
+SERIAL IR RECEIVER
+S: Maintained
+F: drivers/media/rc/serial_ir.c
+
STI CEC DRIVER
S: Supported
F: arch/score/
+SCR24X CHIP CARD INTERFACE DRIVER
+S: Supported
+F: drivers/char/pcmcia/scr24x_cs.c
+
SYSTEM CONTROL & POWER INTERFACE (SCPI) Message Protocol drivers
EMULEX ONECONNECT ROCE DRIVER
W: http://www.emulex.com
S: Supported
SILICON MOTION SM712 FRAME BUFFER DRIVER
-M: Sudip Mukherjee <sudip@vectorindia.org>
S: Maintained
F: drivers/video/fbdev/sm712*
S: Supported
-F: Documentation/stable_kernel_rules.txt
+F: Documentation/process/stable-kernel-rules.rst
STAGING SUBSYSTEM
STAGING - SILICON MOTION SM750 FRAME BUFFER DRIVER
-M: Sudip Mukherjee <sudip@vectorindia.org>
S: Maintained
F: drivers/staging/sm750fb/
-STAGING - SLICOSS
-S: Odd Fixes
-F: drivers/staging/slicoss/
-
STAGING - SPEAKUP CONSOLE SPEECH DRIVER
+B: https://bugzilla.kernel.org
S: Supported
F: Documentation/power/
F: arch/x86/kernel/acpi/
F: arch/arc/
F: Documentation/devicetree/bindings/arc/*
F: Documentation/devicetree/bindings/interrupt-controller/snps,arc*
+F: drivers/clocksource/arc_timer.c
F: drivers/tty/serial/arc_uart.c
T: git git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc.git
F: arch/xtensa/
F: drivers/irqchip/irq-xtensa-*
+Texas Instruments' System Control Interface (TISCI) Protocol Driver
+S: Maintained
+F: Documentation/devicetree/bindings/arm/keystone/ti,sci.txt
+F: drivers/firmware/ti_sci*
+F: include/linux/soc/ti/ti_sci_protocol.h
+
THANKO'S RAREMONO AM/FM/SW RADIO RECEIVER USB DRIVER
F: Documentation/filesystems/udf.txt
F: fs/udf/
+UDRAW TABLET
+S: Maintained
+F: drivers/hid/hid-udraw.c
+
UFS FILESYSTEM
S: Maintained
F: drivers/scsi/ufs/
UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER DWC HOOKS
S: Supported
F: drivers/scsi/ufs/*dwc*
F: include/linux/vfio.h
F: include/uapi/linux/vfio.h
+VFIO MEDIATED DEVICE DRIVERS
+S: Maintained
+F: Documentation/vfio-mediated-device.txt
+F: drivers/vfio/mdev/
+F: include/linux/mdev.h
+F: samples/vfio-mdev/
+
VFIO PLATFORM DRIVER
F: drivers/block/virtio_blk.c
F: include/linux/virtio_*.h
F: include/uapi/linux/virtio_*.h
+F: drivers/crypto/virtio/
VIRTIO DRIVERS FOR S390
F: drivers/virtio/virtio_input.c
F: include/uapi/linux/virtio_input.h
+VIRTIO CRYPTO DRIVER
+S: Maintained
+F: drivers/crypto/virtio/
+F: include/uapi/linux/virtio_crypto.h
+
VIA RHINE NETWORK DRIVER
S: Orphan
F: drivers/net/ethernet/via/via-rhine.c
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git
-F: Documentation/vme_api.txt
+F: Documentation/driver-api/vme.rst
F: drivers/staging/vme/
F: drivers/vme/
F: include/linux/vme*
F: drivers/scsi/vmw_pvscsi.c
F: drivers/scsi/vmw_pvscsi.h
+VMWARE PVRDMA DRIVER
+S: Maintained
+F: drivers/infiniband/hw/vmw_pvrdma/
+
VOLTAGE AND CURRENT REGULATOR FRAMEWORK
S: Maintained
F: include/linux/workqueue.h
F: kernel/workqueue.c
-F: Documentation/workqueue.txt
+F: Documentation/core-api/workqueue.rst
X-POWERS MULTIFUNCTION PMIC DEVICE DRIVERS
XEN HYPERVISOR INTERFACE
T: git git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git
config X86_32
def_bool y
depends on !64BIT
+ # Options that are inherently 32-bit kernel only:
+ select ARCH_WANT_IPC_PARSE_VERSION
+ select CLKSRC_I8253
+ select CLONE_BACKWARDS
+ select HAVE_AOUT
+ select HAVE_GENERIC_DMA_COHERENT
+ select MODULES_USE_ELF_REL
+ select OLD_SIGACTION
config X86_64
def_bool y
depends on 64BIT
+ # Options that are inherently 64-bit kernel only:
+ select ARCH_HAS_GIGANTIC_PAGE
+ select ARCH_SUPPORTS_INT128
+ select ARCH_USE_CMPXCHG_LOCKREF
+ select HAVE_ARCH_SOFT_DIRTY
+ select MODULES_USE_ELF_RELA
+ select X86_DEV_DMA_OPS
-### Arch settings
+#
+# Arch settings
+#
+# ( Note that options that are marked 'if X86_64' could in principle be
+# ported to 32-bit as well. )
+#
config X86
def_bool y
+ #
+ # Note: keep this list sorted alphabetically
+ #
select ACPI_LEGACY_TABLES_LOOKUP if ACPI
select ACPI_SYSTEM_POWER_STATES_SUPPORT if ACPI
select ANON_INODES
select ARCH_CLOCKSOURCE_DATA
select ARCH_DISCARD_MEMBLOCK
- select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI
+ select ARCH_HAS_ACPI_TABLE_UPGRADE if ACPI
select ARCH_HAS_DEVMEM_IS_ALLOWED
select ARCH_HAS_ELF_RANDOMIZE
select ARCH_HAS_FAST_MULTIPLIER
select ARCH_HAS_GCOV_PROFILE_ALL
- select ARCH_HAS_GIGANTIC_PAGE if X86_64
select ARCH_HAS_KCOV if X86_64
- select ARCH_HAS_PMEM_API if X86_64
select ARCH_HAS_MMIO_FLUSH
+ select ARCH_HAS_PMEM_API if X86_64
select ARCH_HAS_SG_CHAIN
select ARCH_HAS_UBSAN_SANITIZE_ALL
select ARCH_HAVE_NMI_SAFE_CMPXCHG
select ARCH_MIGHT_HAVE_PC_SERIO
select ARCH_SUPPORTS_ATOMIC_RMW
select ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT
- select ARCH_SUPPORTS_INT128 if X86_64
select ARCH_SUPPORTS_NUMA_BALANCING if X86_64
select ARCH_USE_BUILTIN_BSWAP
- select ARCH_USE_CMPXCHG_LOCKREF if X86_64
select ARCH_USE_QUEUED_RWLOCKS
select ARCH_USE_QUEUED_SPINLOCKS
select ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH if SMP
- select ARCH_WANTS_DYNAMIC_TASK_STRUCT
select ARCH_WANT_FRAME_POINTERS
- select ARCH_WANT_IPC_PARSE_VERSION if X86_32
+ select ARCH_WANTS_DYNAMIC_TASK_STRUCT
select BUILDTIME_EXTABLE_SORT
select CLKEVT_I8253
- select CLKSRC_I8253 if X86_32
select CLOCKSOURCE_VALIDATE_LAST_CYCLE
select CLOCKSOURCE_WATCHDOG
- select CLONE_BACKWARDS if X86_32
- select COMPAT_OLD_SIGACTION if IA32_EMULATION
select DCACHE_WORD_ACCESS
select EDAC_ATOMIC_SCRUB
select EDAC_SUPPORT
select HAVE_ACPI_APEI if ACPI
select HAVE_ACPI_APEI_NMI if ACPI
select HAVE_ALIGNED_STRUCT_PAGE if SLUB
- select HAVE_AOUT if X86_32
select HAVE_ARCH_AUDITSYSCALL
select HAVE_ARCH_HARDENED_USERCOPY
select HAVE_ARCH_HUGE_VMAP if X86_64 || X86_PAE
select HAVE_ARCH_MMAP_RND_BITS if MMU
select HAVE_ARCH_MMAP_RND_COMPAT_BITS if MMU && COMPAT
select HAVE_ARCH_SECCOMP_FILTER
- select HAVE_ARCH_SOFT_DIRTY if X86_64
select HAVE_ARCH_TRACEHOOK
select HAVE_ARCH_TRANSPARENT_HUGEPAGE
- select HAVE_ARCH_WITHIN_STACK_FRAMES
- select HAVE_EBPF_JIT if X86_64
select HAVE_ARCH_VMAP_STACK if X86_64
+ select HAVE_ARCH_WITHIN_STACK_FRAMES
select HAVE_CC_STACKPROTECTOR
select HAVE_CMPXCHG_DOUBLE
select HAVE_CMPXCHG_LOCAL
select HAVE_DMA_CONTIGUOUS
select HAVE_DYNAMIC_FTRACE
select HAVE_DYNAMIC_FTRACE_WITH_REGS
+ select HAVE_EBPF_JIT if X86_64
select HAVE_EFFICIENT_UNALIGNED_ACCESS
select HAVE_EXIT_THREAD
select HAVE_FENTRY if X86_64
select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_FUNCTION_TRACER
select HAVE_GCC_PLUGINS
- select HAVE_GENERIC_DMA_COHERENT if X86_32
select HAVE_HW_BREAKPOINT
select HAVE_IDE
select HAVE_IOREMAP_PROT
select HAVE_PERF_REGS
select HAVE_PERF_USER_STACK_DUMP
select HAVE_REGS_AND_STACK_ACCESS_API
+ select HAVE_STACK_VALIDATION if X86_64
select HAVE_SYSCALL_TRACEPOINTS
- select HAVE_UID16 if X86_32 || IA32_EMULATION
select HAVE_UNSTABLE_SCHED_CLOCK
select HAVE_USER_RETURN_NOTIFIER
select IRQ_FORCED_THREADING
- select MODULES_USE_ELF_RELA if X86_64
- select MODULES_USE_ELF_REL if X86_32
- select OLD_SIGACTION if X86_32
- select OLD_SIGSUSPEND3 if X86_32 || IA32_EMULATION
select PERF_EVENTS
select RTC_LIB
select RTC_MC146818_LIB
select THREAD_INFO_IN_TASK
select USER_STACKTRACE_SUPPORT
select VIRT_TO_BUS
- select X86_DEV_DMA_OPS if X86_64
select X86_FEATURE_NAMES if PROC_FS
- select HAVE_STACK_VALIDATION if X86_64
- select ARCH_USES_HIGH_VMA_FLAGS if X86_INTEL_MEMORY_PROTECTION_KEYS
- select ARCH_HAS_PKEYS if X86_INTEL_MEMORY_PROTECTION_KEYS
config INSTRUCTION_DECODER
def_bool y
def_bool y
depends on X86_GOLDFISH
+ config INTEL_RDT_A
+ bool "Intel Resource Director Technology Allocation support"
+ default n
+ depends on X86 && CPU_SUP_INTEL
+ select KERNFS
+ help
+ Select to enable resource allocation which is a sub-feature of
+ Intel Resource Director Technology(RDT). More information about
+ RDT can be found in the Intel x86 Architecture Software
+ Developer Manual.
+
+ Say N if unsure.
+
if X86_32
config X86_EXTENDED_PLATFORM
bool "Support for extended (non-PC) x86 platforms"
Say Y here if you have a Quark based system such as the Arduino
compatible Intel Galileo.
-config MLX_PLATFORM
- tristate "Mellanox Technologies platform support"
- depends on X86_64
- depends on X86_EXTENDED_PLATFORM
- ---help---
- This option enables system support for the Mellanox Technologies
- platform.
-
- Say Y here if you are building a kernel for Mellanox system.
-
- Otherwise, say N.
-
config X86_INTEL_LPSS
bool "Intel Low Power Subsystem Support"
depends on X86 && ACPI
making when dealing with multi-core CPU chips at a cost of slightly
increased overhead in some places. If unsure say N here.
+config SCHED_MC_PRIO
+ bool "CPU core priorities scheduler support"
+ depends on SCHED_MC && CPU_SUP_INTEL
+ select X86_INTEL_PSTATE
+ select CPU_FREQ
+ default y
+ ---help---
+ Intel Turbo Boost Max Technology 3.0 enabled CPUs have a
+ core ordering determined at manufacturing time, which allows
+ certain cores to reach higher turbo frequencies (when running
+ single threaded workloads) than others.
+
+ Enabling this kernel feature teaches the scheduler about
+ the TBM3 (aka ITMT) priority order of the CPU cores and adjusts the
+ scheduler's CPU selection logic accordingly, so that higher
+ overall system performance can be achieved.
+
+ This feature will have no effect on CPUs without this feature.
+
+ If unsure say Y here.
+
source "kernel/Kconfig.preempt"
config UP_LATE_INIT
config X86_MCE_AMD
def_bool y
prompt "AMD MCE features"
- depends on X86_MCE && X86_LOCAL_APIC
+ depends on X86_MCE && X86_LOCAL_APIC && AMD_NB
---help---
Additional support for AMD specific MCE features such as
the DRAM Error Threshold.
line. By default it scans the low 64k of memory every 60
seconds; see the memory_corruption_check_size and
memory_corruption_check_period parameters in
- Documentation/kernel-parameters.txt to adjust this.
+ Documentation/admin-guide/kernel-parameters.rst to adjust this.
When enabled with the default parameters, this option has
almost no overhead, as it reserves a relatively small amount
def_bool y
# Note: only available in 64-bit mode
depends on CPU_SUP_INTEL && X86_64
+ select ARCH_USES_HIGH_VMA_FLAGS
+ select ARCH_HAS_PKEYS
---help---
Memory Protection Keys provides a mechanism for enforcing
page-based protections, but without requiring modification of the
config COMPAT_VDSO
def_bool n
prompt "Disable the 32-bit vDSO (needed for glibc 2.3.3)"
- depends on X86_32 || IA32_EMULATION
+ depends on COMPAT_32
---help---
Certain buggy versions of glibc will crash if they are
presented with a 32-bit vDSO that is not mapped at the address
config IA32_EMULATION
bool "IA32 Emulation"
depends on X86_64
+ select ARCH_WANT_OLD_COMPAT_IPC
select BINFMT_ELF
select COMPAT_BINFMT_ELF
- select ARCH_WANT_OLD_COMPAT_IPC
+ select COMPAT_OLD_SIGACTION
---help---
Include code to run legacy 32-bit programs under a
64-bit kernel. You should likely turn this on, unless you're
elf32_x86_64 support enabled to compile a kernel with this
option set.
+config COMPAT_32
+ def_bool y
+ depends on IA32_EMULATION || X86_32
+ select HAVE_UID16
+ select OLD_SIGSUSPEND3
+
config COMPAT
def_bool y
depends on IA32_EMULATION || X86_X32
#define X86_FEATURE_EXTD_APICID ( 3*32+26) /* has extended APICID (8 bits) */
#define X86_FEATURE_AMD_DCM ( 3*32+27) /* multi-node processor */
#define X86_FEATURE_APERFMPERF ( 3*32+28) /* APERFMPERF */
-#define X86_FEATURE_EAGER_FPU ( 3*32+29) /* "eagerfpu" Non lazy FPU restore */
#define X86_FEATURE_NONSTOP_TSC_S3 ( 3*32+30) /* TSC doesn't stop in S3 state */
+#define X86_FEATURE_TSC_KNOWN_FREQ ( 3*32+31) /* TSC has known frequency */
/* Intel-defined CPU features, CPUID level 0x00000001 (ecx), word 4 */
#define X86_FEATURE_XMM3 ( 4*32+ 0) /* "pni" SSE-3 */
#define X86_FEATURE_CPB ( 7*32+ 2) /* AMD Core Performance Boost */
#define X86_FEATURE_EPB ( 7*32+ 3) /* IA32_ENERGY_PERF_BIAS support */
+ #define X86_FEATURE_CAT_L3 ( 7*32+ 4) /* Cache Allocation Technology L3 */
+ #define X86_FEATURE_CAT_L2 ( 7*32+ 5) /* Cache Allocation Technology L2 */
+ #define X86_FEATURE_CDP_L3 ( 7*32+ 6) /* Code and Data Prioritization L3 */
#define X86_FEATURE_HW_PSTATE ( 7*32+ 8) /* AMD HW-PState */
#define X86_FEATURE_PROC_FEEDBACK ( 7*32+ 9) /* AMD ProcFeedbackInterface */
+#define X86_FEATURE_INTEL_PPIN ( 7*32+14) /* Intel Processor Inventory Number */
#define X86_FEATURE_INTEL_PT ( 7*32+15) /* Intel Processor Trace */
#define X86_FEATURE_AVX512_4VNNIW (7*32+16) /* AVX-512 Neural Network Instructions */
#define X86_FEATURE_AVX512_4FMAPS (7*32+17) /* AVX-512 Multiply Accumulation Single precision */
#define X86_FEATURE_RTM ( 9*32+11) /* Restricted Transactional Memory */
#define X86_FEATURE_CQM ( 9*32+12) /* Cache QoS Monitoring */
#define X86_FEATURE_MPX ( 9*32+14) /* Memory Protection Extension */
+ #define X86_FEATURE_RDT_A ( 9*32+15) /* Resource Director Technology Allocation */
#define X86_FEATURE_AVX512F ( 9*32+16) /* AVX-512 Foundation */
#define X86_FEATURE_AVX512DQ ( 9*32+17) /* AVX-512 DQ (Double/Quad granular) Instructions */
#define X86_FEATURE_RDSEED ( 9*32+18) /* The RDSEED instruction */
#define X86_FEATURE_ADX ( 9*32+19) /* The ADCX and ADOX instructions */
#define X86_FEATURE_SMAP ( 9*32+20) /* Supervisor Mode Access Prevention */
+#define X86_FEATURE_AVX512IFMA ( 9*32+21) /* AVX-512 Integer Fused Multiply-Add instructions */
#define X86_FEATURE_CLFLUSHOPT ( 9*32+23) /* CLFLUSHOPT instruction */
#define X86_FEATURE_CLWB ( 9*32+24) /* CLWB instruction */
#define X86_FEATURE_AVX512PF ( 9*32+26) /* AVX-512 Prefetch */
#define X86_FEATURE_AVIC (15*32+13) /* Virtual Interrupt Controller */
/* Intel-defined CPU features, CPUID level 0x00000007:0 (ecx), word 16 */
+#define X86_FEATURE_AVX512VBMI (16*32+ 1) /* AVX512 Vector Bit Manipulation instructions*/
#define X86_FEATURE_PKU (16*32+ 3) /* Protection Keys for Userspace */
#define X86_FEATURE_OSPKE (16*32+ 4) /* OS Protection Keys Enable */
+#define X86_FEATURE_RDPID (16*32+ 22) /* RDPID instruction */
/* AMD-defined CPU features, CPUID level 0x80000007 (ebx), word 17 */
#define X86_FEATURE_OVERFLOW_RECOV (17*32+0) /* MCA overflow recovery support */
#define X86_BUG_NULL_SEG X86_BUG(10) /* Nulling a selector preserves the base */
#define X86_BUG_SWAPGS_FENCE X86_BUG(11) /* SWAPGS without input dep on GS */
#define X86_BUG_MONITOR X86_BUG(12) /* IPI required to wake up remote CPU */
+#define X86_BUG_AMD_E400 X86_BUG(13) /* CPU is among the affected by Erratum 400 */
+
#endif /* _ASM_X86_CPUFEATURES_H */
obj-y += common.o
obj-y += rdrand.o
obj-y += match.o
+obj-y += bugs.o
obj-$(CONFIG_PROC_FS) += proc.o
obj-$(CONFIG_X86_FEATURE_NAMES) += capflags.o powerflags.o
-obj-$(CONFIG_X86_32) += bugs.o
-obj-$(CONFIG_X86_64) += bugs_64.o
-
obj-$(CONFIG_CPU_SUP_INTEL) += intel.o
obj-$(CONFIG_CPU_SUP_AMD) += amd.o
obj-$(CONFIG_CPU_SUP_CYRIX_32) += cyrix.o
obj-$(CONFIG_CPU_SUP_TRANSMETA_32) += transmeta.o
obj-$(CONFIG_CPU_SUP_UMC_32) += umc.o
+ obj-$(CONFIG_INTEL_RDT_A) += intel_rdt.o intel_rdt_rdtgroup.o intel_rdt_schemata.o
+
obj-$(CONFIG_X86_MCE) += mcheck/
obj-$(CONFIG_MTRR) += mtrr/
obj-$(CONFIG_MICROCODE) += microcode/
union _cpuid4_leaf_eax eax;
union _cpuid4_leaf_ebx ebx;
union _cpuid4_leaf_ecx ecx;
+ unsigned int id;
unsigned long size;
struct amd_northbridge *nb;
};
static void ci_leaf_init(struct cacheinfo *this_leaf,
struct _cpuid4_info_regs *base)
{
+ this_leaf->id = base->id;
+ this_leaf->attributes = CACHE_ID;
this_leaf->level = base->eax.split.level;
this_leaf->type = cache_type_map[base->eax.split.type];
this_leaf->coherency_line_size =
return 0;
}
+ /*
+ * The max shared threads number comes from CPUID.4:EAX[25-14] with input
+ * ECX as cache index. Then right shift apicid by the number's order to get
+ * cache id for this cache node.
+ */
+ static void get_cache_id(int cpu, struct _cpuid4_info_regs *id4_regs)
+ {
+ struct cpuinfo_x86 *c = &cpu_data(cpu);
+ unsigned long num_threads_sharing;
+ int index_msb;
+
+ num_threads_sharing = 1 + id4_regs->eax.split.num_threads_sharing;
+ index_msb = get_count_order(num_threads_sharing);
+ id4_regs->id = c->apicid >> index_msb;
+ }
+
static int __populate_cache_leaves(unsigned int cpu)
{
unsigned int idx, ret;
ret = cpuid4_cache_lookup_regs(idx, &id4_regs);
if (ret)
return ret;
+ get_cache_id(cpu, &id4_regs);
ci_leaf_init(this_leaf++, &id4_regs);
__cache_cpumap_setup(cpu, idx, &id4_regs);
}
+ this_cpu_ci->cpu_map_populated = true;
+
return 0;
}
#include <asm/tlbflush.h>
#include <asm/cpu.h>
-#include <asm/idle.h>
#include <asm/syscalls.h>
#include <asm/debugreg.h>
#include <asm/switch_to.h>
#include <asm/vm86.h>
+ #include <asm/intel_rdt.h>
void __show_regs(struct pt_regs *regs, int all)
{
savesegment(gs, gs);
}
- printk(KERN_DEFAULT "EIP: %04x:[<%08lx>] EFLAGS: %08lx CPU: %d\n",
- (u16)regs->cs, regs->ip, regs->flags,
- smp_processor_id());
- print_symbol("EIP is at %s\n", regs->ip);
+ printk(KERN_DEFAULT "EIP: %pS\n", (void *)regs->ip);
+ printk(KERN_DEFAULT "EFLAGS: %08lx CPU: %d\n", regs->flags,
+ smp_processor_id());
printk(KERN_DEFAULT "EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n",
regs->ax, regs->bx, regs->cx, regs->dx);
struct fpu *next_fpu = &next->fpu;
int cpu = smp_processor_id();
struct tss_struct *tss = &per_cpu(cpu_tss, cpu);
- fpu_switch_t fpu_switch;
/* never put a printk in __switch_to... printk() calls wake_up*() indirectly */
- fpu_switch = switch_fpu_prepare(prev_fpu, next_fpu, cpu);
+ switch_fpu_prepare(prev_fpu, cpu);
/*
* Save away %gs. No need to save %fs, as it was saved on the
if (prev->gs | next->gs)
lazy_load_gs(next->gs);
- switch_fpu_finish(next_fpu, fpu_switch);
+ switch_fpu_finish(next_fpu, cpu);
this_cpu_write(current_task, next_p);
+ /* Load the Intel cache allocation PQR MSR. */
+ intel_rdt_sched_in();
+
return prev_p;
}
#include <asm/desc.h>
#include <asm/proto.h>
#include <asm/ia32.h>
-#include <asm/idle.h>
#include <asm/syscalls.h>
#include <asm/debugreg.h>
#include <asm/switch_to.h>
#include <asm/xen/hypervisor.h>
#include <asm/vdso.h>
+ #include <asm/intel_rdt.h>
__visible DEFINE_PER_CPU(unsigned long, rsp_scratch);
unsigned int fsindex, gsindex;
unsigned int ds, cs, es;
- printk(KERN_DEFAULT "RIP: %04lx:[<%016lx>] ", regs->cs & 0xffff, regs->ip);
- printk_address(regs->ip);
- printk(KERN_DEFAULT "RSP: %04lx:%016lx EFLAGS: %08lx\n", regs->ss,
- regs->sp, regs->flags);
+ printk(KERN_DEFAULT "RIP: %04lx:%pS\n", regs->cs & 0xffff,
+ (void *)regs->ip);
+ printk(KERN_DEFAULT "RSP: %04lx:%016lx EFLAGS: %08lx", regs->ss,
+ regs->sp, regs->flags);
+ if (regs->orig_ax != -1)
+ pr_cont(" ORIG_RAX: %016lx\n", regs->orig_ax);
+ else
+ pr_cont("\n");
+
printk(KERN_DEFAULT "RAX: %016lx RBX: %016lx RCX: %016lx\n",
regs->ax, regs->bx, regs->cx);
printk(KERN_DEFAULT "RDX: %016lx RSI: %016lx RDI: %016lx\n",
int cpu = smp_processor_id();
struct tss_struct *tss = &per_cpu(cpu_tss, cpu);
unsigned prev_fsindex, prev_gsindex;
- fpu_switch_t fpu_switch;
- fpu_switch = switch_fpu_prepare(prev_fpu, next_fpu, cpu);
+ switch_fpu_prepare(prev_fpu, cpu);
/* We must save %fs and %gs before load_TLS() because
* %fs and %gs may be cleared by load_TLS().
prev->gsbase = 0;
prev->gsindex = prev_gsindex;
- switch_fpu_finish(next_fpu, fpu_switch);
+ switch_fpu_finish(next_fpu, cpu);
/*
* Switch the PDA and FPU contexts.
loadsegment(ss, __KERNEL_DS);
}
+ /* Load the Intel cache allocation PQR MSR. */
+ intel_rdt_sched_in();
+
return prev_p;
}
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/acpi.h>
#include <linux/bitops.h>
#include <linux/cacheinfo.h>
#include <linux/compiler.h>
{
return sib_leaf->of_node == this_leaf->of_node;
}
+
+/* OF properties to query for a given cache type */
+struct cache_type_info {
+ const char *size_prop;
+ const char *line_size_props[2];
+ const char *nr_sets_prop;
+};
+
+static const struct cache_type_info cache_type_info[] = {
+ {
+ .size_prop = "cache-size",
+ .line_size_props = { "cache-line-size",
+ "cache-block-size", },
+ .nr_sets_prop = "cache-sets",
+ }, {
+ .size_prop = "i-cache-size",
+ .line_size_props = { "i-cache-line-size",
+ "i-cache-block-size", },
+ .nr_sets_prop = "i-cache-sets",
+ }, {
+ .size_prop = "d-cache-size",
+ .line_size_props = { "d-cache-line-size",
+ "d-cache-block-size", },
+ .nr_sets_prop = "d-cache-sets",
+ },
+};
+
+static inline int get_cacheinfo_idx(enum cache_type type)
+{
+ if (type == CACHE_TYPE_UNIFIED)
+ return 0;
+ return type;
+}
+
+static void cache_size(struct cacheinfo *this_leaf)
+{
+ const char *propname;
+ const __be32 *cache_size;
+ int ct_idx;
+
+ ct_idx = get_cacheinfo_idx(this_leaf->type);
+ propname = cache_type_info[ct_idx].size_prop;
+
+ cache_size = of_get_property(this_leaf->of_node, propname, NULL);
+ if (cache_size)
+ this_leaf->size = of_read_number(cache_size, 1);
+}
+
+/* not cache_line_size() because that's a macro in include/linux/cache.h */
+static void cache_get_line_size(struct cacheinfo *this_leaf)
+{
+ const __be32 *line_size;
+ int i, lim, ct_idx;
+
+ ct_idx = get_cacheinfo_idx(this_leaf->type);
+ lim = ARRAY_SIZE(cache_type_info[ct_idx].line_size_props);
+
+ for (i = 0; i < lim; i++) {
+ const char *propname;
+
+ propname = cache_type_info[ct_idx].line_size_props[i];
+ line_size = of_get_property(this_leaf->of_node, propname, NULL);
+ if (line_size)
+ break;
+ }
+
+ if (line_size)
+ this_leaf->coherency_line_size = of_read_number(line_size, 1);
+}
+
+static void cache_nr_sets(struct cacheinfo *this_leaf)
+{
+ const char *propname;
+ const __be32 *nr_sets;
+ int ct_idx;
+
+ ct_idx = get_cacheinfo_idx(this_leaf->type);
+ propname = cache_type_info[ct_idx].nr_sets_prop;
+
+ nr_sets = of_get_property(this_leaf->of_node, propname, NULL);
+ if (nr_sets)
+ this_leaf->number_of_sets = of_read_number(nr_sets, 1);
+}
+
+static void cache_associativity(struct cacheinfo *this_leaf)
+{
+ unsigned int line_size = this_leaf->coherency_line_size;
+ unsigned int nr_sets = this_leaf->number_of_sets;
+ unsigned int size = this_leaf->size;
+
+ /*
+ * If the cache is fully associative, there is no need to
+ * check the other properties.
+ */
+ if (!(nr_sets == 1) && (nr_sets > 0 && size > 0 && line_size > 0))
+ this_leaf->ways_of_associativity = (size / nr_sets) / line_size;
+}
+
+static void cache_of_override_properties(unsigned int cpu)
+{
+ int index;
+ struct cacheinfo *this_leaf;
+ struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
+
+ for (index = 0; index < cache_leaves(cpu); index++) {
+ this_leaf = this_cpu_ci->info_list + index;
+ cache_size(this_leaf);
+ cache_get_line_size(this_leaf);
+ cache_nr_sets(this_leaf);
+ cache_associativity(this_leaf);
+ }
+}
#else
+static void cache_of_override_properties(unsigned int cpu) { }
static inline int cache_setup_of_node(unsigned int cpu) { return 0; }
static inline bool cache_leaves_are_shared(struct cacheinfo *this_leaf,
struct cacheinfo *sib_leaf)
struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
struct cacheinfo *this_leaf, *sib_leaf;
unsigned int index;
- int ret;
+ int ret = 0;
+
+ if (this_cpu_ci->cpu_map_populated)
+ return 0;
- ret = cache_setup_of_node(cpu);
+ if (of_have_populated_dt())
+ ret = cache_setup_of_node(cpu);
+ else if (!acpi_disabled)
+ /* No cache property/hierarchy support yet in ACPI */
+ ret = -ENOTSUPP;
if (ret)
return ret;
}
}
+static void cache_override_properties(unsigned int cpu)
+{
+ if (of_have_populated_dt())
+ return cache_of_override_properties(cpu);
+}
+
static void free_cache_attributes(unsigned int cpu)
{
if (!per_cpu_cacheinfo(cpu))
*/
ret = cache_shared_cpu_map_setup(cpu);
if (ret) {
- pr_warn("Unable to detect cache hierarchy from DT for CPU %d\n",
- cpu);
+ pr_warn("Unable to detect cache hierarchy for CPU %d\n", cpu);
goto free_ci;
}
+
+ cache_override_properties(cpu);
return 0;
free_ci:
return sprintf(buf, "%u\n", this_leaf->object); \
}
+ show_one(id, id);
show_one(level, level);
show_one(coherency_line_size, coherency_line_size);
show_one(number_of_sets, number_of_sets);
return n;
}
+ static DEVICE_ATTR_RO(id);
static DEVICE_ATTR_RO(level);
static DEVICE_ATTR_RO(type);
static DEVICE_ATTR_RO(coherency_line_size);
static DEVICE_ATTR_RO(physical_line_partition);
static struct attribute *cache_default_attrs[] = {
+ &dev_attr_id.attr,
&dev_attr_type.attr,
&dev_attr_level.attr,
&dev_attr_shared_cpu_map.attr,
const struct cpumask *mask = &this_leaf->shared_cpu_map;
umode_t mode = attr->mode;
+ if ((attr == &dev_attr_id.attr) && (this_leaf->attributes & CACHE_ID))
+ return mode;
if ((attr == &dev_attr_type.attr) && this_leaf->type)
return mode;
if ((attr == &dev_attr_level.attr) && this_leaf->level)
return rc;
}
-static void cache_remove_dev(unsigned int cpu)
+static int cacheinfo_cpu_online(unsigned int cpu)
{
- if (!cpumask_test_cpu(cpu, &cache_dev_map))
- return;
- cpumask_clear_cpu(cpu, &cache_dev_map);
+ int rc = detect_cache_attributes(cpu);
- cpu_cache_sysfs_exit(cpu);
+ if (rc)
+ return rc;
+ rc = cache_add_dev(cpu);
+ if (rc)
+ free_cache_attributes(cpu);
+ return rc;
}
-static int cacheinfo_cpu_callback(struct notifier_block *nfb,
- unsigned long action, void *hcpu)
+static int cacheinfo_cpu_pre_down(unsigned int cpu)
{
- unsigned int cpu = (unsigned long)hcpu;
- int rc = 0;
+ if (cpumask_test_and_clear_cpu(cpu, &cache_dev_map))
+ cpu_cache_sysfs_exit(cpu);
- switch (action & ~CPU_TASKS_FROZEN) {
- case CPU_ONLINE:
- rc = detect_cache_attributes(cpu);
- if (!rc)
- rc = cache_add_dev(cpu);
- break;
- case CPU_DEAD:
- cache_remove_dev(cpu);
- free_cache_attributes(cpu);
- break;
- }
- return notifier_from_errno(rc);
+ free_cache_attributes(cpu);
+ return 0;
}
static int __init cacheinfo_sysfs_init(void)
{
- int cpu, rc = 0;
-
- cpu_notifier_register_begin();
-
- for_each_online_cpu(cpu) {
- rc = detect_cache_attributes(cpu);
- if (rc)
- goto out;
- rc = cache_add_dev(cpu);
- if (rc) {
- free_cache_attributes(cpu);
- pr_err("error populating cacheinfo..cpu%d\n", cpu);
- goto out;
- }
- }
- __hotcpu_notifier(cacheinfo_cpu_callback, 0);
-
-out:
- cpu_notifier_register_done();
- return rc;
+ return cpuhp_setup_state(CPUHP_AP_ONLINE_DYN, "base/cacheinfo:online",
+ cacheinfo_cpu_online, cacheinfo_cpu_pre_down);
}
-
device_initcall(cacheinfo_sysfs_init);
/**
* struct cacheinfo - represent a cache leaf node
+ * @id: This cache's id. It is unique among caches with the same (type, level).
* @type: type of the cache - data, inst or unified
* @level: represents the hierarchy in the multi-level cache
* @coherency_line_size: size of each cache line usually representing
* keeping, the remaining members form the core properties of the cache
*/
struct cacheinfo {
+ unsigned int id;
enum cache_type type;
unsigned int level;
unsigned int coherency_line_size;
#define CACHE_WRITE_ALLOCATE BIT(3)
#define CACHE_ALLOCATE_POLICY_MASK \
(CACHE_READ_ALLOCATE | CACHE_WRITE_ALLOCATE)
+ #define CACHE_ID BIT(4)
struct device_node *of_node;
bool disable_sysfs;
struct cacheinfo *info_list;
unsigned int num_levels;
unsigned int num_leaves;
+ bool cpu_map_populated;
};
/*
#define set_task_state(tsk, state_value) \
do { \
(tsk)->task_state_change = _THIS_IP_; \
- smp_store_mb((tsk)->state, (state_value)); \
+ smp_store_mb((tsk)->state, (state_value)); \
} while (0)
-/*
- * set_current_state() includes a barrier so that the write of current->state
- * is correctly serialised wrt the caller's subsequent test of whether to
- * actually sleep:
- *
- * set_current_state(TASK_UNINTERRUPTIBLE);
- * if (do_i_need_to_sleep())
- * schedule();
- *
- * If the caller does not need such serialisation then use __set_current_state()
- */
#define __set_current_state(state_value) \
do { \
current->task_state_change = _THIS_IP_; \
#define set_current_state(state_value) \
do { \
current->task_state_change = _THIS_IP_; \
- smp_store_mb(current->state, (state_value)); \
+ smp_store_mb(current->state, (state_value)); \
} while (0)
#else
+/*
+ * @tsk had better be current, or you get to keep the pieces.
+ *
+ * The only reason is that computing current can be more expensive than
+ * using a pointer that's already available.
+ *
+ * Therefore, see set_current_state().
+ */
#define __set_task_state(tsk, state_value) \
do { (tsk)->state = (state_value); } while (0)
#define set_task_state(tsk, state_value) \
* is correctly serialised wrt the caller's subsequent test of whether to
* actually sleep:
*
+ * for (;;) {
* set_current_state(TASK_UNINTERRUPTIBLE);
- * if (do_i_need_to_sleep())
- * schedule();
+ * if (!need_sleep)
+ * break;
+ *
+ * schedule();
+ * }
+ * __set_current_state(TASK_RUNNING);
+ *
+ * If the caller does not need such serialisation (because, for instance, the
+ * condition test and condition change and wakeup are under the same lock) then
+ * use __set_current_state().
+ *
+ * The above is typically ordered against the wakeup, which does:
+ *
+ * need_sleep = false;
+ * wake_up_state(p, TASK_UNINTERRUPTIBLE);
+ *
+ * Where wake_up_state() (and all other wakeup primitives) imply enough
+ * barriers to order the store of the variable against wakeup.
*
- * If the caller does not need such serialisation then use __set_current_state()
+ * Wakeup will do: if (@state & p->state) p->state = TASK_RUNNING, that is,
+ * once it observes the TASK_UNINTERRUPTIBLE store the waking CPU can issue a
+ * TASK_RUNNING store which can collide with __set_current_state(TASK_RUNNING).
+ *
+ * This is obviously fine, since they both store the exact same value.
+ *
+ * Also see the comments of try_to_wake_up().
*/
#define __set_current_state(state_value) \
do { current->state = (state_value); } while (0)
/* leave room for more dump flags */
#define MMF_VM_MERGEABLE 16 /* KSM may merge identical pages */
#define MMF_VM_HUGEPAGE 17 /* set when VM_HUGEPAGE is set on vma */
-#define MMF_EXE_FILE_CHANGED 18 /* see prctl_set_mm_exe_file() */
+/*
+ * This one-shot flag is dropped due to necessity of changing exe once again
+ * on NFS restore
+ */
+//#define MMF_EXE_FILE_CHANGED 18 /* see prctl_set_mm_exe_file() */
#define MMF_HAS_UPROBES 19 /* has uprobes */
#define MMF_RECALC_UPROBES 20 /* MMF_HAS_UPROBES can be wrong */
* already in a wake queue, the wakeup will happen soon and the second
* waker can just skip it.
*
- * The WAKE_Q macro declares and initializes the list head.
+ * The DEFINE_WAKE_Q macro declares and initializes the list head.
* wake_up_q() does NOT reinitialize the list; it's expected to be
* called near the end of a function, where the fact that the queue is
* not used again will be easy to see by inspection.
#define WAKE_Q_TAIL ((struct wake_q_node *) 0x01)
-#define WAKE_Q(name) \
+#define DEFINE_WAKE_Q(name) \
struct wake_q_head name = { WAKE_Q_TAIL, &name.first }
extern void wake_q_add(struct wake_q_head *head,
}
#endif
+extern int arch_asym_cpu_priority(int cpu);
+
struct sched_domain_attr {
int relax_domain_level;
};
int __user *set_child_tid; /* CLONE_CHILD_SETTID */
int __user *clear_child_tid; /* CLONE_CHILD_CLEARTID */
- cputime_t utime, stime, utimescaled, stimescaled;
+ cputime_t utime, stime;
+#ifdef CONFIG_ARCH_HAS_SCALED_CPUTIME
+ cputime_t utimescaled, stimescaled;
+#endif
cputime_t gtime;
struct prev_cputime prev_cputime;
#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
struct list_head cpu_timers[3];
/* process credentials */
+ const struct cred __rcu *ptracer_cred; /* Tracer's credentials at attach */
const struct cred __rcu *real_cred; /* objective and real subjective task
* credentials (COW) */
const struct cred __rcu *cred; /* effective (overridable) subjective task
/* cg_list protected by css_set_lock and tsk->alloc_lock */
struct list_head cg_list;
#endif
+ #ifdef CONFIG_INTEL_RDT_A
+ int closid;
+ #endif
#ifdef CONFIG_FUTEX
struct robust_list_head __user *robust_list;
#ifdef CONFIG_COMPAT
#ifdef CONFIG_VIRT_CPU_ACCOUNTING_GEN
extern void task_cputime(struct task_struct *t,
cputime_t *utime, cputime_t *stime);
-extern void task_cputime_scaled(struct task_struct *t,
- cputime_t *utimescaled, cputime_t *stimescaled);
extern cputime_t task_gtime(struct task_struct *t);
#else
static inline void task_cputime(struct task_struct *t,
cputime_t *utime, cputime_t *stime)
{
- if (utime)
- *utime = t->utime;
- if (stime)
- *stime = t->stime;
+ *utime = t->utime;
+ *stime = t->stime;
}
+static inline cputime_t task_gtime(struct task_struct *t)
+{
+ return t->gtime;
+}
+#endif
+
+#ifdef CONFIG_ARCH_HAS_SCALED_CPUTIME
static inline void task_cputime_scaled(struct task_struct *t,
cputime_t *utimescaled,
cputime_t *stimescaled)
{
- if (utimescaled)
- *utimescaled = t->utimescaled;
- if (stimescaled)
- *stimescaled = t->stimescaled;
+ *utimescaled = t->utimescaled;
+ *stimescaled = t->stimescaled;
}
-
-static inline cputime_t task_gtime(struct task_struct *t)
+#else
+static inline void task_cputime_scaled(struct task_struct *t,
+ cputime_t *utimescaled,
+ cputime_t *stimescaled)
{
- return t->gtime;
+ task_cputime(t, utimescaled, stimescaled);
}
#endif
+
extern void task_cputime_adjusted(struct task_struct *p, cputime_t *ut, cputime_t *st);
extern void thread_group_cputime_adjusted(struct task_struct *p, cputime_t *ut, cputime_t *st);
/*
* Per process flags
*/
+#define PF_IDLE 0x00000002 /* I am an IDLE thread */
#define PF_EXITING 0x00000004 /* getting shut down */
#define PF_EXITPIDONE 0x00000008 /* pi exit done on shut down */
#define PF_VCPU 0x00000010 /* I'm a virtual CPU */
static inline void calc_load_exit_idle(void) { }
#endif /* CONFIG_NO_HZ_COMMON */
+#ifndef cpu_relax_yield
+#define cpu_relax_yield() cpu_relax()
+#endif
+
/*
* Do not use outside of architecture code which knows its limitations.
*
extern void sched_autogroup_detach(struct task_struct *p);
extern void sched_autogroup_fork(struct signal_struct *sig);
extern void sched_autogroup_exit(struct signal_struct *sig);
+extern void sched_autogroup_exit_task(struct task_struct *p);
#ifdef CONFIG_PROC_FS
extern void proc_sched_autogroup_show_task(struct task_struct *p, struct seq_file *m);
extern int proc_sched_autogroup_set_nice(struct task_struct *p, int nice);
static inline void sched_autogroup_detach(struct task_struct *p) { }
static inline void sched_autogroup_fork(struct signal_struct *sig) { }
static inline void sched_autogroup_exit(struct signal_struct *sig) { }
+static inline void sched_autogroup_exit_task(struct task_struct *p) { }
#endif
extern int yield_to(struct task_struct *p, bool preempt);
*/
static inline bool is_idle_task(const struct task_struct *p)
{
- return p->pid == 0;
+ return !!(p->flags & PF_IDLE);
}
extern struct task_struct *curr_task(int cpu);
extern void ia64_set_curr_task(int cpu, struct task_struct *p);
#endif /* CONFIG_SMP */
+/*
+ * In order to reduce various lock holder preemption latencies provide an
+ * interface to see if a vCPU is currently running or not.
+ *
+ * This allows us to terminate optimistic spin loops and block, analogous to
+ * the native optimistic spin heuristic of testing if the lock owner task is
+ * running or not.
+ */
+#ifndef vcpu_is_preempted
+# define vcpu_is_preempted(cpu) false
+#endif
+
extern long sched_setaffinity(pid_t pid, const struct cpumask *new_mask);
extern long sched_getaffinity(pid_t pid, struct cpumask *mask);
projects / linux.git / commitdiff