F: drivers/media/dvb-frontends/a8293*
AACRAID SCSI RAID DRIVER
-M: Adaptec OEM Raid Solutions <aacraid@adaptec.com>
+M: Adaptec OEM Raid Solutions <aacraid@microsemi.com>
L: linux-scsi@vger.kernel.org
W: http://www.adaptec.com/
S: Supported
F: include/acpi/
F: Documentation/acpi/
F: Documentation/ABI/testing/sysfs-bus-acpi
+F: Documentation/ABI/testing/configfs-acpi
F: drivers/pci/*acpi*
F: drivers/pci/*/*acpi*
F: drivers/pci/*/*/*acpi*
S: Maintained
F: drivers/gpio/gpio-altera.c
+ALTERA SYSTEM RESOURCE DRIVER FOR ARRIA10 DEVKIT
+M: Thor Thayer <tthayer@opensource.altera.com>
+S: Maintained
+F: drivers/gpio/gpio-altera-a10sr.c
+F: drivers/mfd/altera-a10sr.c
+F: include/linux/mfd/altera-a10sr.h
+
ALTERA TRIPLE SPEED ETHERNET DRIVER
M: Vince Bridgers <vbridger@opensource.altera.com>
L: netdev@vger.kernel.org
S: Supported
F: drivers/dma/dma-axi-dmac.c
+ANDROID CONFIG FRAGMENTS
+M: Rob Herring <robh@kernel.org>
+S: Supported
+F: kernel/configs/android*
+
ANDROID DRIVERS
M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
M: Arve Hjønnevåg <arve@android.com>
M: Keyur Chudgar <kchudgar@apm.com>
S: Supported
F: drivers/net/ethernet/apm/xgene/
+F: drivers/net/phy/mdio-xgene.c
F: Documentation/devicetree/bindings/net/apm-xgene-enet.txt
+F: Documentation/devicetree/bindings/net/apm-xgene-mdio.txt
APTINA CAMERA SENSOR PLL
M: Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
ARM HDLCD DRM DRIVER
M: Liviu Dudau <liviu.dudau@arm.com>
S: Supported
-F: drivers/gpu/drm/arm/
+F: drivers/gpu/drm/arm/hdlcd_*
F: Documentation/devicetree/bindings/display/arm,hdlcd.txt
+ARM MALI-DP DRM DRIVER
+M: Liviu Dudau <liviu.dudau@arm.com>
+M: Brian Starkey <brian.starkey@arm.com>
+M: Mali DP Maintainers <malidp@foss.arm.com>
+S: Supported
+F: drivers/gpu/drm/arm/
+F: Documentation/devicetree/bindings/display/arm,malidp.txt
+
ARM MFM AND FLOPPY DRIVERS
M: Ian Molton <spyro@f2s.com>
S: Maintained
L: linux-arm-msm@vger.kernel.org
L: linux-soc@vger.kernel.org
S: Maintained
+F: Documentation/devicetree/bindings/soc/qcom/
F: arch/arm/boot/dts/qcom-*.dts
F: arch/arm/boot/dts/qcom-*.dtsi
F: arch/arm/mach-qcom/
F: arch/arm/mach-s3c64xx/
F: arch/arm/mach-s5p*/
F: arch/arm/mach-exynos*/
-F: drivers/*/*s3c2410*
-F: drivers/*/*/*s3c2410*
+F: drivers/*/*s3c24*
+F: drivers/*/*/*s3c24*
+F: drivers/*/*s3c64xx*
+F: drivers/*/*s5pv210*
F: drivers/memory/samsung/*
F: drivers/soc/samsung/*
F: drivers/spi/spi-s3c*
-F: sound/soc/samsung/*
F: Documentation/arm/Samsung/
F: Documentation/devicetree/bindings/arm/samsung/
F: Documentation/devicetree/bindings/sram/samsung-sram.txt
ARM/SAMSUNG S5P SERIES 2D GRAPHICS ACCELERATION (G2D) SUPPORT
M: Kyungmin Park <kyungmin.park@samsung.com>
-M: Kamil Debski <k.debski@samsung.com>
+M: Kamil Debski <kamil@wypas.org>
+M: Andrzej Hajda <a.hajda@samsung.com>
L: linux-arm-kernel@lists.infradead.org
L: linux-media@vger.kernel.org
S: Maintained
ARM/SAMSUNG S5P SERIES Multi Format Codec (MFC) SUPPORT
M: Kyungmin Park <kyungmin.park@samsung.com>
-M: Kamil Debski <k.debski@samsung.com>
+M: Kamil Debski <kamil@wypas.org>
M: Jeongtae Park <jtp.park@samsung.com>
+M: Andrzej Hajda <a.hajda@samsung.com>
L: linux-arm-kernel@lists.infradead.org
L: linux-media@vger.kernel.org
S: Maintained
S: Maintained
F: drivers/media/platform/s5p-tv/
+ARM/SAMSUNG S5P SERIES HDMI CEC SUBSYSTEM SUPPORT
+M: Kyungmin Park <kyungmin.park@samsung.com>
+L: linux-arm-kernel@lists.infradead.org
+L: linux-media@vger.kernel.org
+S: Maintained
+F: drivers/staging/media/platform/s5p-cec/
+
ARM/SAMSUNG S5P SERIES JPEG CODEC SUPPORT
M: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
M: Jacek Anaszewski <j.anaszewski@samsung.com>
F: arch/arm/configs/shmobile_defconfig
F: arch/arm/include/debug/renesas-scif.S
F: arch/arm/mach-shmobile/
-F: drivers/sh/
F: drivers/soc/renesas/
F: include/linux/soc/renesas/
M: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
L: linux-arm-kernel@lists.infradead.org
S: Maintained
-F: arch/arm/mach-tango/
-F: arch/arm/boot/dts/tango*
+N: tango
ARM/TECHNOLOGIC SYSTEMS TS7250 MACHINE SUPPORT
M: Lennert Buytenhek <kernel@wantstofly.org>
T: git git://git.linaro.org/people/ulfh/clk.git
S: Maintained
F: drivers/clk/ux500/
-F: include/linux/platform_data/clk-ux500.h
ARM/VERSATILE EXPRESS PLATFORM
M: Liviu Dudau <liviu.dudau@arm.com>
F: Documentation/ABI/testing/sysfs-class-net-batman-adv
F: Documentation/ABI/testing/sysfs-class-net-mesh
F: Documentation/networking/batman-adv.txt
+F: include/uapi/linux/batman_adv.h
F: net/batman-adv/
BAYCOM/HDLCDRV DRIVERS FOR AX.25
F: drivers/media/platform/sti/bdisp
BEFS FILE SYSTEM
-S: Orphan
+M: Luis de Bethencourt <luisbg@osg.samsung.com>
+M: Salah Triki <salah.triki@gmail.com>
+S: Maintained
+T: git git://github.com/luisbg/linux-befs.git
F: Documentation/filesystems/befs.txt
F: fs/befs/
S: Supported
F: drivers/net/ethernet/broadcom/b44.*
+BROADCOM B53 ETHERNET SWITCH DRIVER
+M: Florian Fainelli <f.fainelli@gmail.com>
+L: netdev@vger.kernel.org
+L: openwrt-devel@lists.openwrt.org (subscribers-only)
+S: Supported
+F: drivers/net/dsa/b53/*
+F: include/linux/platform_data/b53.h
+
BROADCOM GENET ETHERNET DRIVER
M: Florian Fainelli <f.fainelli@gmail.com>
L: netdev@vger.kernel.org
M: Florian Fainelli <f.fainelli@gmail.com>
M: Ray Jui <rjui@broadcom.com>
M: Scott Branden <sbranden@broadcom.com>
-L: bcm-kernel-feedback-list@broadcom.com
+M: bcm-kernel-feedback-list@broadcom.com
T: git git://github.com/broadcom/mach-bcm
S: Maintained
+N: bcm281*
+N: bcm113*
+N: bcm216*
+N: kona
F: arch/arm/mach-bcm/
-F: arch/arm/boot/dts/bcm113*
-F: arch/arm/boot/dts/bcm216*
-F: arch/arm/boot/dts/bcm281*
-F: arch/arm64/boot/dts/broadcom/
-F: arch/arm/configs/bcm_defconfig
-F: drivers/mmc/host/sdhci-bcm-kona.c
-F: drivers/clocksource/bcm_kona_timer.c
BROADCOM BCM2835 ARM ARCHITECTURE
M: Stephen Warren <swarren@wwwdotorg.org>
BROADCOM BCM5301X ARM ARCHITECTURE
M: Hauke Mehrtens <hauke@hauke-m.de>
+M: Rafał Miłecki <zajec5@gmail.com>
+M: bcm-kernel-feedback-list@broadcom.com
L: linux-arm-kernel@lists.infradead.org
S: Maintained
F: arch/arm/mach-bcm/bcm_5301x.c
-F: arch/arm/boot/dts/bcm5301x.dtsi
+F: arch/arm/boot/dts/bcm5301x*.dtsi
F: arch/arm/boot/dts/bcm470*
BROADCOM BCM63XX ARM ARCHITECTURE
M: Florian Fainelli <f.fainelli@gmail.com>
+M: bcm-kernel-feedback-list@broadcom.com
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-L: bcm-kernel-feedback-list@broadcom.com
T: git git://github.com/broadcom/stblinux.git
S: Maintained
-F: arch/arm/mach-bcm/bcm63xx.c
-F: arch/arm/include/debug/bcm63xx.S
+N: bcm63xx
BROADCOM BCM63XX/BCM33XX UDC DRIVER
M: Kevin Cernekee <cernekee@gmail.com>
M: Brian Norris <computersforpeace@gmail.com>
M: Gregory Fong <gregory.0xf0@gmail.com>
M: Florian Fainelli <f.fainelli@gmail.com>
+M: bcm-kernel-feedback-list@broadcom.com
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-L: bcm-kernel-feedback-list@broadcom.com
T: git git://github.com/broadcom/stblinux.git
S: Maintained
F: arch/arm/mach-bcm/*brcmstb*
F: drivers/net/ethernet/broadcom/tg3.*
BROADCOM BRCM80211 IEEE802.11n WIRELESS DRIVER
-M: Brett Rudley <brudley@broadcom.com>
-M: Arend van Spriel <arend@broadcom.com>
-M: Franky (Zhenhui) Lin <frankyl@broadcom.com>
-M: Hante Meuleman <meuleman@broadcom.com>
+M: Arend van Spriel <arend.vanspriel@broadcom.com>
+M: Franky Lin <franky.lin@broadcom.com>
+M: Hante Meuleman <hante.meuleman@broadcom.com>
L: linux-wireless@vger.kernel.org
-L: brcm80211-dev-list@broadcom.com
+L: brcm80211-dev-list.pdl@broadcom.com
S: Supported
F: drivers/net/wireless/broadcom/brcm80211/
M: Ray Jui <rjui@broadcom.com>
M: Scott Branden <sbranden@broadcom.com>
M: Jon Mason <jonmason@broadcom.com>
+M: bcm-kernel-feedback-list@broadcom.com
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-L: bcm-kernel-feedback-list@broadcom.com
T: git git://github.com/broadcom/cygnus-linux.git
S: Maintained
N: iproc
N: cygnus
-N: nsp
+N: bcm[-_]nsp
N: bcm9113*
N: bcm9583*
N: bcm9585*
N: bcm585*
N: bcm586*
N: bcm88312
+F: arch/arm64/boot/dts/broadcom/ns2*
+F: drivers/clk/bcm/clk-ns*
+F: drivers/pinctrl/bcm/pinctrl-ns*
BROADCOM BRCMSTB GPIO DRIVER
M: Gregory Fong <gregory.0xf0@gmail.com>
BROADCOM VULCAN ARM64 SOC
M: Jayachandran C. <jchandra@broadcom.com>
+M: bcm-kernel-feedback-list@broadcom.com
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-L: bcm-kernel-feedback-list@broadcom.com
S: Maintained
F: arch/arm64/boot/dts/broadcom/vulcan*
T: git git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can.git
T: git git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next.git
S: Maintained
+F: Documentation/devicetree/bindings/net/can/
F: drivers/net/can/
F: include/linux/can/dev.h
F: include/linux/can/platform/
F: include/uapi/linux/can/netlink.h
CAPABILITIES
-M: Serge Hallyn <serge.hallyn@canonical.com>
+M: Serge Hallyn <serge@hallyn.com>
L: linux-security-module@vger.kernel.org
S: Supported
F: include/linux/capability.h
F: include/linux/spi/cc2520.h
F: Documentation/devicetree/bindings/net/ieee802154/cc2520.txt
+CEC DRIVER
+M: Hans Verkuil <hans.verkuil@cisco.com>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+W: http://linuxtv.org
+S: Supported
+F: Documentation/cec.txt
+F: Documentation/DocBook/media/v4l/cec*
+F: drivers/staging/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
+
CELL BROADBAND ENGINE ARCHITECTURE
M: Arnd Bergmann <arnd@arndb.de>
L: linuxppc-dev@lists.ozlabs.org
L: cgroups@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git
S: Maintained
-F: Documentation/cgroups/
+F: Documentation/cgroup*
F: include/linux/cgroup*
F: kernel/cgroup*
W: http://oss.sgi.com/projects/cpusets/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git
S: Maintained
-F: Documentation/cgroups/cpusets.txt
+F: Documentation/cgroup-v1/cpusets.txt
F: include/linux/cpuset.h
F: kernel/cpuset.c
T: git git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6.git
S: Maintained
F: Documentation/crypto/
+F: Documentation/devicetree/bindings/crypto/
F: Documentation/DocBook/crypto-API.tmpl
F: arch/*/crypto/
F: crypto/
CXLFLASH (IBM Coherent Accelerator Processor Interface CAPI Flash) SCSI DRIVER
M: Manoj N. Kumar <manoj@linux.vnet.ibm.com>
M: Matthew R. Ochs <mrochs@linux.vnet.ibm.com>
+M: Uma Krishnan <ukrishn@linux.vnet.ibm.com>
L: linux-scsi@vger.kernel.org
S: Supported
F: drivers/scsi/cxlflash/
W: http://www.dialog-semiconductor.com/products
S: Supported
F: Documentation/hwmon/da90??
+F: Documentation/devicetree/bindings/mfd/da90*.txt
+F: Documentation/devicetree/bindings/regulator/da92*.txt
F: Documentation/devicetree/bindings/sound/da[79]*.txt
F: drivers/gpio/gpio-da90??.c
F: drivers/hwmon/da90??-hwmon.c
F: include/linux/mfd/da903x.h
F: include/linux/mfd/da9052/
F: include/linux/mfd/da9055/
+F: include/linux/mfd/da9062/
F: include/linux/mfd/da9063/
F: include/linux/mfd/da9150/
+F: include/linux/regulator/da9211.h
F: include/sound/da[79]*.h
F: sound/soc/codecs/da[79]*.[ch]
F: Documentation/dma-buf-sharing.txt
T: git git://git.linaro.org/people/sumitsemwal/linux-dma-buf.git
+SYNC FILE FRAMEWORK
+M: Sumit Semwal <sumit.semwal@linaro.org>
+R: Gustavo Padovan <gustavo@padovan.org>
+S: Maintained
+L: linux-media@vger.kernel.org
+L: dri-devel@lists.freedesktop.org
+F: drivers/dma-buf/sync_file.c
+F: include/linux/sync_file.h
+F: Documentation/sync_file.txt
+T: git git://git.linaro.org/people/sumitsemwal/linux-dma-buf.git
+
DMA GENERIC OFFLOAD ENGINE SUBSYSTEM
M: Vinod Koul <vinod.koul@intel.com>
L: dmaengine@vger.kernel.org
S: Maintained
F: drivers/gpu/drm/
F: drivers/gpu/vga/
-F: Documentation/DocBook/gpu.*
+F: Documentation/devicetree/bindings/display/
+F: Documentation/devicetree/bindings/gpu/
+F: Documentation/devicetree/bindings/video/
+F: Documentation/gpu/
F: include/drm/
F: include/uapi/drm/
F: drivers/gpu/drm/i915/
F: include/drm/i915*
F: include/uapi/drm/i915_drm.h
+F: Documentation/gpu/i915.rst
DRM DRIVERS FOR ATMEL HLCDC
M: Boris Brezillon <boris.brezillon@free-electrons.com>
F: include/uapi/drm/vc4_drm.h
F: Documentation/devicetree/bindings/display/brcm,bcm-vc4.txt
+DRM DRIVERS FOR TI OMAP
+M: Tomi Valkeinen <tomi.valkeinen@ti.com>
+L: dri-devel@lists.freedesktop.org
+S: Maintained
+F: drivers/gpu/drm/omapdrm/
+F: Documentation/devicetree/bindings/display/ti/
+
+DRM DRIVERS FOR TI LCDC
+M: Jyri Sarha <jsarha@ti.com>
+R: Tomi Valkeinen <tomi.valkeinen@ti.com>
+L: dri-devel@lists.freedesktop.org
+S: Maintained
+F: drivers/gpu/drm/tilcdc/
+F: Documentation/devicetree/bindings/display/tilcdc/
+
DSBR100 USB FM RADIO DRIVER
M: Alexey Klimov <klimov.linux@gmail.com>
L: linux-media@vger.kernel.org
F: drivers/staging/fbtft/
FCOE SUBSYSTEM (libfc, libfcoe, fcoe)
-M: Vasu Dev <vasu.dev@intel.com>
+M: Johannes Thumshirn <jth@kernel.org>
L: fcoe-devel@open-fcoe.org
W: www.Open-FCoE.org
S: Supported
X: drivers/net/ethernet/freescale/gianfar_ptp.c
F: Documentation/devicetree/bindings/net/fsl-tsec-phy.txt
+FREESCALE QUICC ENGINE UCC HDLC DRIVER
+M: Zhao Qiang <qiang.zhao@nxp.com>
+L: netdev@vger.kernel.org
+L: linuxppc-dev@lists.ozlabs.org
+S: Maintained
+F: drivers/net/wan/fsl_ucc_hdlc*
+
FREESCALE QUICC ENGINE UCC UART DRIVER
M: Timur Tabi <timur@tabi.org>
L: linuxppc-dev@lists.ozlabs.org
F: fs/fscache/
F: include/linux/fscache*.h
+FS-CRYPTO: FILE SYSTEM LEVEL ENCRYPTION SUPPORT
+M: Theodore Y. Ts'o <tytso@mit.edu>
+M: Jaegeuk Kim <jaegeuk@kernel.org>
+S: Supported
+F: fs/crypto/
+F: include/linux/fscrypto.h
+
F2FS FILE SYSTEM
M: Jaegeuk Kim <jaegeuk@kernel.org>
M: Changman Lee <cm224.lee@samsung.com>
S: Odd Fixes (e.g., new signatures)
F: drivers/scsi/fdomain.*
+GCC PLUGINS
+M: Kees Cook <keescook@chromium.org>
+R: Emese Revfy <re.emese@gmail.com>
+L: kernel-hardening@lists.openwall.com
+S: Maintained
+F: scripts/gcc-plugins/
+F: scripts/gcc-plugin.sh
+F: Documentation/gcc-plugins.txt
+
GCOV BASED KERNEL PROFILING
M: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
S: Maintained
F: drivers/media/usb/gspca/m5602/
GSPCA PAC207 SONIXB SUBDRIVER
-M: Hans de Goede <hdegoede@redhat.com>
+M: Hans Verkuil <hverkuil@xs4all.nl>
L: linux-media@vger.kernel.org
T: git git://linuxtv.org/media_tree.git
-S: Maintained
+S: Odd Fixes
F: drivers/media/usb/gspca/pac207.c
GSPCA SN9C20X SUBDRIVER
F: drivers/media/usb/gspca/t613.c
GSPCA USB WEBCAM DRIVER
-M: Hans de Goede <hdegoede@redhat.com>
+M: Hans Verkuil <hverkuil@xs4all.nl>
L: linux-media@vger.kernel.org
T: git git://linuxtv.org/media_tree.git
-S: Maintained
+S: Odd Fixes
F: drivers/media/usb/gspca/
GUID PARTITION TABLE (GPT)
M: Herbert Xu <herbert@gondor.apana.org.au>
L: linux-crypto@vger.kernel.org
S: Odd fixes
+F: Documentation/devicetree/bindings/rng/
F: Documentation/hw_random.txt
F: drivers/char/hw_random/
F: include/linux/hw_random.h
L: linux-remoteproc@vger.kernel.org
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/ohad/hwspinlock.git
+F: Documentation/devicetree/bindings/hwlock/
F: Documentation/hwspinlock.txt
-F: drivers/hwspinlock/hwspinlock_*
+F: drivers/hwspinlock/
F: include/linux/hwspinlock.h
HARMONY SOUND DRIVER
S: Maintained
F: drivers/media/dvb-frontends/hd29l2*
+HEWLETT PACKARD ENTERPRISE ILO NMI WATCHDOG DRIVER
+M: Brian Boylston <brian.boylston@hpe.com>
+S: Supported
+F: Documentation/watchdog/hpwdt.txt
+F: drivers/watchdog/hpwdt.c
+
HEWLETT-PACKARD SMART ARRAY RAID DRIVER (hpsa)
M: Don Brace <don.brace@microsemi.com>
L: iss_storagedev@hp.com
F: net/802/hippi.c
F: drivers/net/hippi/
+HISILICON NETWORK SUBSYSTEM DRIVER
+M: Yisen Zhuang <yisen.zhuang@huawei.com>
+M: Salil Mehta <salil.mehta@huawei.com>
+L: netdev@vger.kernel.org
+W: http://www.hisilicon.com
+S: Maintained
+F: drivers/net/ethernet/hisilicon/
+F: Documentation/devicetree/bindings/net/hisilicon*.txt
+
HISILICON SAS Controller
M: John Garry <john.garry@huawei.com>
W: http://www.hisilicon.com
L: linux-scsi@vger.kernel.org
S: Supported
F: drivers/scsi/ibmvscsi/ibmvscsi*
-F: drivers/scsi/ibmvscsi/viosrp.h
+F: include/scsi/viosrp.h
+
+IBM Power Virtual SCSI Device Target Driver
+M: Bryant G. Ly <bryantly@linux.vnet.ibm.com>
+M: Michael Cyr <mikecyr@linux.vnet.ibm.com>
+L: linux-scsi@vger.kernel.org
+L: target-devel@vger.kernel.org
+S: Supported
+F: drivers/scsi/ibmvscsi_tgt/
IBM Power Virtual FC Device Drivers
M: Tyrel Datwyler <tyreld@linux.vnet.ibm.com>
R: Lars-Peter Clausen <lars@metafoo.de>
R: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
L: linux-iio@vger.kernel.org
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git
S: Maintained
+F: Documentation/devicetree/bindings/iio/
F: drivers/iio/
F: drivers/staging/iio/
F: include/linux/iio/
S: Maintained
F: drivers/platform/x86/intel-hid.c
+INTEL VIRTUAL BUTTON DRIVER
+M: AceLan Kao <acelan.kao@canonical.com>
+L: platform-driver-x86@vger.kernel.org
+S: Maintained
+F: drivers/platform/x86/intel-vbtn.c
+
INTEL IDLE DRIVER
M: Len Brown <lenb@kernel.org>
L: linux-pm@vger.kernel.org
S: Supported
F: drivers/infiniband/hw/i40iw/
+INTEL MERRIFIELD GPIO DRIVER
+M: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
+L: linux-gpio@vger.kernel.org
+S: Maintained
+F: drivers/gpio/gpio-merrifield.c
+
INTEL-MID GPIO DRIVER
M: David Cohen <david.a.cohen@linux.intel.com>
L: linux-gpio@vger.kernel.org
L: iommu@lists.linux-foundation.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu.git
S: Maintained
+F: Documentation/devicetree/bindings/iommu/
F: drivers/iommu/
IP MASQUERADING
F: drivers/irqchip/
IRQ DOMAINS (IRQ NUMBER MAPPING LIBRARY)
-M: Jiang Liu <jiang.liu@linux.intel.com>
M: Marc Zyngier <marc.zyngier@arm.com>
S: Maintained
T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq/core
L: linux-leds@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds.git
S: Maintained
+F: Documentation/devicetree/bindings/leds/
F: drivers/leds/
F: include/linux/leds.h
F: drivers/ata/
F: include/linux/ata.h
F: include/linux/libata.h
+F: Documentation/devicetree/bindings/ata/
LIBATA PATA ARASAN COMPACT FLASH CONTROLLER
M: Viresh Kumar <vireshk@kernel.org>
F: drivers/crypto/vmx/
F: drivers/net/ethernet/ibm/ibmveth.*
F: drivers/net/ethernet/ibm/ibmvnic.*
+F: drivers/pci/hotplug/pnv_php.c
F: drivers/pci/hotplug/rpa*
F: drivers/scsi/ibmvscsi/
N: opal
LINUX KERNEL DUMP TEST MODULE (LKDTM)
M: Kees Cook <keescook@chromium.org>
S: Maintained
-F: drivers/misc/lkdtm.c
+F: drivers/misc/lkdtm*
LLC (802.2)
M: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
S: Maintained
F: drivers/media/usb/dvb-usb-v2/lmedm04*
-LOCKDEP AND LOCKSTAT
+LOCKING PRIMITIVES
M: Peter Zijlstra <peterz@infradead.org>
M: Ingo Molnar <mingo@redhat.com>
L: linux-kernel@vger.kernel.org
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git core/locking
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking/core
S: Maintained
-F: Documentation/locking/lockdep*.txt
-F: Documentation/locking/lockstat.txt
+F: Documentation/locking/
F: include/linux/lockdep.h
+F: include/linux/spinlock*.h
+F: arch/*/include/asm/spinlock*.h
+F: include/linux/rwlock*.h
+F: include/linux/mutex*.h
+F: arch/*/include/asm/mutex*.h
+F: include/linux/rwsem*.h
+F: arch/*/include/asm/rwsem.h
+F: include/linux/seqlock.h
+F: lib/locking*.[ch]
F: kernel/locking/
LOGICAL DISK MANAGER SUPPORT (LDM, Windows 2000/XP/Vista Dynamic Disks)
L: linux-man@vger.kernel.org
S: Maintained
+MARVELL 88E6XXX ETHERNET SWITCH FABRIC DRIVER
+M: Andrew Lunn <andrew@lunn.ch>
+M: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
+S: Maintained
+F: drivers/net/dsa/mv88e6xxx/
+
MARVELL ARMADA DRM SUPPORT
M: Russell King <rmk+kernel@armlinux.org.uk>
S: Maintained
F: include/uapi/drm/armada_drm.h
F: Documentation/devicetree/bindings/display/armada/
-MARVELL 88E6352 DSA support
-M: Guenter Roeck <linux@roeck-us.net>
-S: Maintained
-F: drivers/net/dsa/mv88e6352.c
-
MARVELL CRYPTO DRIVER
M: Boris Brezillon <boris.brezillon@free-electrons.com>
M: Arnaud Ebalard <arno@natisbad.org>
F: drivers/hwmon/max6697.c
F: include/linux/platform_data/max6697.h
+MAX9860 MONO AUDIO VOICE CODEC DRIVER
+M: Peter Rosin <peda@axentia.se>
+L: alsa-devel@alsa-project.org (moderated for non-subscribers)
+S: Maintained
+F: Documentation/devicetree/bindings/sound/max9860.txt
+F: sound/soc/codecs/max9860.*
+
MAXIM MUIC CHARGER DRIVERS FOR EXYNOS BASED BOARDS
M: Krzysztof Kozlowski <k.kozlowski@samsung.com>
L: linux-pm@vger.kernel.org
S: Maintained
F: drivers/iio/potentiometer/mcp4531.c
+MEDIA DRIVERS FOR RENESAS - FCP
+M: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+L: linux-media@vger.kernel.org
+L: linux-renesas-soc@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Supported
+F: Documentation/devicetree/bindings/media/renesas,fcp.txt
+F: drivers/media/platform/rcar-fcp.c
+F: include/media/rcar-fcp.h
+
MEDIA DRIVERS FOR RENESAS - VSP1
M: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
L: linux-media@vger.kernel.org
F: Documentation/devicetree/bindings/media/renesas,vsp1.txt
F: drivers/media/platform/vsp1/
+MEDIA DRIVERS FOR HELENE
+M: Abylay Ospan <aospan@netup.ru>
+L: linux-media@vger.kernel.org
+W: https://linuxtv.org
+W: http://netup.tv/
+T: git git://linuxtv.org/media_tree.git
+S: Supported
+F: drivers/media/dvb-frontends/helene*
+
MEDIA DRIVERS FOR ASCOT2E
M: Sergey Kozlov <serjk@netup.ru>
+M: Abylay Ospan <aospan@netup.ru>
L: linux-media@vger.kernel.org
W: https://linuxtv.org
W: http://netup.tv/
MEDIA DRIVERS FOR CXD2841ER
M: Sergey Kozlov <serjk@netup.ru>
+M: Abylay Ospan <aospan@netup.ru>
L: linux-media@vger.kernel.org
W: https://linuxtv.org
W: http://netup.tv/
MEDIA DRIVERS FOR HORUS3A
M: Sergey Kozlov <serjk@netup.ru>
+M: Abylay Ospan <aospan@netup.ru>
L: linux-media@vger.kernel.org
W: https://linuxtv.org
W: http://netup.tv/
MEDIA DRIVERS FOR LNBH25
M: Sergey Kozlov <serjk@netup.ru>
+M: Abylay Ospan <aospan@netup.ru>
L: linux-media@vger.kernel.org
W: https://linuxtv.org
W: http://netup.tv/
MEDIA DRIVERS FOR NETUP PCI UNIVERSAL DVB devices
M: Sergey Kozlov <serjk@netup.ru>
+M: Abylay Ospan <aospan@netup.ru>
L: linux-media@vger.kernel.org
W: https://linuxtv.org
W: http://netup.tv/
Q: http://patchwork.ozlabs.org/project/netdev/list/
F: drivers/net/ethernet/mellanox/mlxsw/
+SOFT-ROCE DRIVER (rxe)
+M: Moni Shoua <monis@mellanox.com>
+L: linux-rdma@vger.kernel.org
+S: Supported
+W: https://github.com/SoftRoCE/rxe-dev/wiki/rxe-dev:-Home
+Q: http://patchwork.kernel.org/project/linux-rdma/list/
+F: drivers/infiniband/hw/rxe/
+F: include/uapi/rdma/rdma_user_rxe.h
+
MEMBARRIER SUPPORT
M: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
M: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
W: https://linuxtv.org
W: http://palosaari.fi/linux/
Q: http://patchwork.linuxtv.org/project/linux-media/list/
-T: git git://linuxtv.org/anttip/media_tree.git
S: Maintained
-F: drivers/staging/media/mn88472/
-F: drivers/media/dvb-frontends/mn88472.h
+F: drivers/media/dvb-frontends/mn88472*
MN88473 MEDIA DRIVER
M: Antti Palosaari <crope@iki.fi>
L: linux-mmc@vger.kernel.org
T: git git://git.linaro.org/people/ulf.hansson/mmc.git
S: Maintained
+F: Documentation/devicetree/bindings/mmc/
F: drivers/mmc/
F: include/linux/mmc/
F: include/uapi/linux/mmc/
S: Supported
F: Documentation/filesystems/nilfs2.txt
F: fs/nilfs2/
-F: include/linux/nilfs2_fs.h
F: include/trace/events/nilfs2.h
+F: include/uapi/linux/nilfs2_api.h
+F: include/uapi/linux/nilfs2_ondisk.h
NINJA SCSI-3 / NINJA SCSI-32Bi (16bit/CardBus) PCMCIA SCSI HOST ADAPTER DRIVER
M: YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp>
F: drivers/net/ntb_netdev.c
F: include/linux/ntb.h
F: include/linux/ntb_transport.h
+F: tools/testing/selftests/ntb/
NTB INTEL DRIVER
M: Jon Mason <jdmason@kudzu.us>
F: drivers/nvme/host/
F: include/linux/nvme.h
+NVM EXPRESS TARGET DRIVER
+M: Christoph Hellwig <hch@lst.de>
+M: Sagi Grimberg <sagi@grimberg.me>
+L: linux-nvme@lists.infradead.org
+S: Supported
+F: drivers/nvme/target/
+
NVMEM FRAMEWORK
M: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
M: Maxime Ripard <maxime.ripard@free-electrons.com>
Q: http://patchwork.ozlabs.org/project/linux-pci/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git
S: Supported
+F: Documentation/devicetree/bindings/pci/
F: Documentation/PCI/
F: drivers/pci/
F: include/linux/pci*
S: Maintained
F: drivers/pci/host/*mvebu*
+PCI DRIVER FOR AARDVARK (Marvell Armada 3700)
+M: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+L: linux-pci@vger.kernel.org
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S: Maintained
+F: drivers/pci/host/pci-aardvark.c
+
PCI DRIVER FOR NVIDIA TEGRA
M: Thierry Reding <thierry.reding@gmail.com>
L: linux-tegra@vger.kernel.org
F: Documentation/devicetree/bindings/pci/xgene-pci-msi.txt
F: drivers/pci/host/pci-xgene-msi.c
+PCIE DRIVER FOR AXIS ARTPEC
+M: Niklas Cassel <niklas.cassel@axis.com>
+M: Jesper Nilsson <jesper.nilsson@axis.com>
+L: linux-arm-kernel@axis.com
+L: linux-pci@vger.kernel.org
+S: Maintained
+F: Documentation/devicetree/bindings/pci/axis,artpec*
+F: drivers/pci/host/*artpec*
+
PCIE DRIVER FOR HISILICON
M: Zhou Wang <wangzhou1@hisilicon.com>
M: Gabriele Paoloni <gabriele.paoloni@huawei.com>
S: Maintained
F: drivers/pinctrl/spear/
+PISTACHIO SOC SUPPORT
+M: James Hartley <james.hartley@imgtec.com>
+M: Ionela Voinescu <ionela.voinescu@imgtec.com>
+L: linux-mips@linux-mips.org
+S: Maintained
+F: arch/mips/pistachio/
+F: arch/mips/include/asm/mach-pistachio/
+F: arch/mips/boot/dts/pistachio/
+F: arch/mips/configs/pistachio*_defconfig
+
PKTCDVD DRIVER
M: Jiri Kosina <jikos@kernel.org>
S: Maintained
L: linux-pm@vger.kernel.org
T: git git://git.infradead.org/battery-2.6.git
S: Maintained
+F: Documentation/devicetree/bindings/power/
+F: Documentation/devicetree/bindings/power_supply/
F: include/linux/power_supply.h
F: drivers/power/
X: drivers/power/avs/
F: include/linux/psci.h
F: include/uapi/linux/psci.h
+POWERNV OPERATOR PANEL LCD DISPLAY DRIVER
+M: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
+L: linuxppc-dev@lists.ozlabs.org
+S: Maintained
+F: drivers/char/powernv-op-panel.c
+
PNP SUPPORT
M: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
S: Maintained
F: include/uapi/linux/ptrace.h
F: kernel/ptrace.c
+PULSE8-CEC DRIVER
+M: Hans Verkuil <hverkuil@xs4all.nl>
+L: linux-media@vger.kernel.org
+T: git git://linuxtv.org/media_tree.git
+S: Maintained
+F: drivers/staging/media/pulse8-cec
+
PVRUSB2 VIDEO4LINUX DRIVER
M: Mike Isely <isely@pobox.com>
L: pvrusb2@isely.net (subscribers-only)
F: drivers/media/usb/pvrusb2/
PWC WEBCAM DRIVER
-M: Hans de Goede <hdegoede@redhat.com>
+M: Hans Verkuil <hverkuil@xs4all.nl>
L: linux-media@vger.kernel.org
T: git git://linuxtv.org/media_tree.git
-S: Maintained
+S: Odd Fixes
F: drivers/media/usb/pwc/*
PWM FAN DRIVER
-M: Kamil Debski <k.debski@samsung.com>
+M: Kamil Debski <kamil@wypas.org>
+M: Lukasz Majewski <l.majewski@samsung.com>
L: linux-hwmon@vger.kernel.org
S: Supported
F: Documentation/devicetree/bindings/hwmon/pwm-fan.txt
S: Maintained
QAT DRIVER
-M: Tadeusz Struk <tadeusz.struk@intel.com>
+M: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
+M: Salvatore Benedetto <salvatore.benedetto@intel.com>
L: qat-linux@intel.com
S: Supported
F: drivers/crypto/qat/
F: include/uapi/linux/radeonfb.h
RADIOSHARK RADIO DRIVER
-M: Hans de Goede <hdegoede@redhat.com>
+M: Hans Verkuil <hverkuil@xs4all.nl>
L: linux-media@vger.kernel.org
T: git git://linuxtv.org/media_tree.git
S: Maintained
F: drivers/media/radio/radio-shark.c
RADIOSHARK2 RADIO DRIVER
-M: Hans de Goede <hdegoede@redhat.com>
+M: Hans Verkuil <hverkuil@xs4all.nl>
L: linux-media@vger.kernel.org
T: git git://linuxtv.org/media_tree.git
S: Maintained
S: Maintained
RDC R6040 FAST ETHERNET DRIVER
-M: Florian Fainelli <florian@openwrt.org>
+M: Florian Fainelli <f.fainelli@gmail.com>
L: netdev@vger.kernel.org
S: Maintained
F: drivers/net/ethernet/rdc/r6040.c
Q: http://patchwork.ozlabs.org/project/rtc-linux/list/
T: git git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux.git
S: Maintained
+F: Documentation/devicetree/bindings/rtc/
F: Documentation/rtc.txt
F: drivers/rtc/
F: include/linux/rtc.h
F: include/uapi/linux/rtc.h
+F: include/linux/rtc/
+F: include/linux/platform_data/rtc-*
+F: tools/testing/selftests/timers/rtctest.c
REALTEK AUDIO CODECS
M: Bard Liao <bardliao@realtek.com>
L: linux-kernel@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap.git
S: Supported
+F: Documentation/devicetree/bindings/regmap/
F: drivers/base/regmap/
F: include/linux/regmap.h
L: linux-remoteproc@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/ohad/remoteproc.git
S: Maintained
-F: drivers/remoteproc/
+F: Documentation/devicetree/bindings/remoteproc/
F: Documentation/remoteproc.txt
+F: drivers/remoteproc/
F: include/linux/remoteproc.h
REMOTE PROCESSOR MESSAGING (RPMSG) SUBSYSTEM
ROCKER DRIVER
M: Jiri Pirko <jiri@resnulli.us>
-M: Scott Feldman <sfeldma@gmail.com>
L: netdev@vger.kernel.org
S: Supported
F: drivers/net/ethernet/rocker/
F: drivers/platform/x86/samsung-laptop.c
SAMSUNG AUDIO (ASoC) DRIVERS
+M: Krzysztof Kozlowski <k.kozlowski@samsung.com>
M: Sangbeom Kim <sbkim73@samsung.com>
+M: Sylwester Nawrocki <s.nawrocki@samsung.com>
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
S: Supported
F: sound/soc/samsung/
F: drivers/thermal/samsung/
SAMSUNG USB2 PHY DRIVER
-M: Kamil Debski <k.debski@samsung.com>
+M: Kamil Debski <kamil@wypas.org>
+M: Sylwester Nawrocki <s.nawrocki@samsung.com>
L: linux-kernel@vger.kernel.org
S: Supported
F: Documentation/devicetree/bindings/phy/samsung-phy.txt
M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
L: linux-serial@vger.kernel.org
S: Maintained
+F: Documentation/devicetree/bindings/serial/
F: drivers/tty/serial/
SYNOPSYS DESIGNWARE DMAC DRIVER
T: git git://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git
L: linux-scsi@vger.kernel.org
S: Maintained
+F: Documentation/devicetree/bindings/scsi/
F: drivers/scsi/
F: include/scsi/
K: \bsecure_computing
K: \bTIF_SECCOMP\b
+SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) Broadcom BRCMSTB DRIVER
+M: Al Cooper <alcooperx@gmail.com>
+L: linux-mmc@vger.kernel.org
+L: bcm-kernel-feedback-list@broadcom.com
+S: Maintained
+F: drivers/mmc/host/sdhci-brcmstb*
+
SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) SAMSUNG DRIVER
M: Ben Dooks <ben-linux@fluff.org>
M: Jaehoon Chung <jh80.chung@samsung.com>
S: Supported
F: drivers/scsi/be2iscsi/
-Emulex 10Gbps NIC BE2, BE3-R, Lancer, Skyhawk-R DRIVER
+Emulex 10Gbps NIC BE2, BE3-R, Lancer, Skyhawk-R DRIVER (be2net)
M: Sathya Perla <sathya.perla@broadcom.com>
M: Ajit Khaparde <ajit.khaparde@broadcom.com>
-M: Padmanabh Ratnakar <padmanabh.ratnakar@broadcom.com>
M: Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
M: Somnath Kotur <somnath.kotur@broadcom.com>
L: netdev@vger.kernel.org
M: Casey Schaufler <casey@schaufler-ca.com>
L: linux-security-module@vger.kernel.org
W: http://schaufler-ca.com
-T: git git://git.gitorious.org/smack-next/kernel.git
+T: git git://github.com/cschaufler/smack-next
S: Maintained
F: Documentation/security/Smack.txt
F: security/smack/
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
W: http://alsa-project.org/main/index.php/ASoC
S: Supported
+F: Documentation/devicetree/bindings/sound/
F: Documentation/sound/alsa/soc/
F: sound/soc/
F: include/sound/soc*
T: git git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git
Q: http://patchwork.kernel.org/project/spi-devel-general/list/
S: Maintained
+F: Documentation/devicetree/bindings/spi/
F: Documentation/spi/
F: drivers/spi/
F: include/linux/spi/
M: Jonathan Cameron <jic23@kernel.org>
L: linux-iio@vger.kernel.org
S: Odd Fixes
+F: Documentation/devicetree/bindings/staging/iio/
F: drivers/staging/iio/
STAGING - LIRC (LINUX INFRARED REMOTE CONTROL) DRIVERS
F: drivers/thermal/cpu_cooling.c
F: include/linux/cpu_cooling.h
-THINGM BLINK(1) USB RGB LED DRIVER
-M: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
-S: Maintained
-F: drivers/hid/hid-thingm.c
-
THINKPAD ACPI EXTRAS DRIVER
M: Henrique de Moraes Holschuh <ibm-acpi@hmh.eng.br>
L: ibm-acpi-devel@lists.sourceforge.net
F: Documentation/scsi/ufs.txt
F: drivers/scsi/ufs/
+UNIVERSAL FLASH STORAGE HOST CONTROLLER DRIVER DWC HOOKS
+M: Joao Pinto <Joao.Pinto@synopsys.com>
+L: linux-scsi@vger.kernel.org
+S: Supported
+F: drivers/scsi/ufs/*dwc*
+
UNSORTED BLOCK IMAGES (UBI)
M: Artem Bityutskiy <dedekind1@gmail.com>
M: Richard Weinberger <richard@nod.at>
F: drivers/net/wireless/ath/ar5523/
USB ATTACHED SCSI
-M: Hans de Goede <hdegoede@redhat.com>
-M: Gerd Hoffmann <kraxel@redhat.com>
+M: Oliver Neukum <oneukum@suse.com>
L: linux-usb@vger.kernel.org
L: linux-scsi@vger.kernel.org
S: Maintained
F: drivers/media/v4l2-core/videobuf2-*
F: include/media/videobuf2-*
+ VIRTIO AND VHOST VSOCK DRIVER
+ M: Stefan Hajnoczi <stefanha@redhat.com>
+ L: kvm@vger.kernel.org
+ L: virtualization@lists.linux-foundation.org
+ L: netdev@vger.kernel.org
+ S: Maintained
+ F: include/linux/virtio_vsock.h
+ F: include/uapi/linux/virtio_vsock.h
+ F: net/vmw_vsock/virtio_transport_common.c
+ F: net/vmw_vsock/virtio_transport.c
+ F: drivers/vhost/vsock.c
+ F: drivers/vhost/vsock.h
+
VIRTUAL SERIO DEVICE DRIVER
M: Stephen Chandler Paul <thatslyude@gmail.com>
S: Maintained
F: drivers/net/vmxnet3/
VMware PVSCSI driver
-M: Arvind Kumar <arvindkumar@vmware.com>
+M: Jim Gill <jgill@vmware.com>
M: VMware PV-Drivers <pv-drivers@vmware.com>
L: linux-scsi@vger.kernel.org
S: Maintained
enum {
VHOST_NET_FEATURES = VHOST_FEATURES |
(1ULL << VHOST_NET_F_VIRTIO_NET_HDR) |
- (1ULL << VIRTIO_NET_F_MRG_RXBUF)
+ (1ULL << VIRTIO_NET_F_MRG_RXBUF) |
+ (1ULL << VIRTIO_F_IOMMU_PLATFORM)
};
enum {
!vhost_has_work(dev);
}
+static void vhost_net_disable_vq(struct vhost_net *n,
+ struct vhost_virtqueue *vq)
+{
+ struct vhost_net_virtqueue *nvq =
+ container_of(vq, struct vhost_net_virtqueue, vq);
+ struct vhost_poll *poll = n->poll + (nvq - n->vqs);
+ if (!vq->private_data)
+ return;
+ vhost_poll_stop(poll);
+}
+
+static int vhost_net_enable_vq(struct vhost_net *n,
+ struct vhost_virtqueue *vq)
+{
+ struct vhost_net_virtqueue *nvq =
+ container_of(vq, struct vhost_net_virtqueue, vq);
+ struct vhost_poll *poll = n->poll + (nvq - n->vqs);
+ struct socket *sock;
+
+ sock = vq->private_data;
+ if (!sock)
+ return 0;
+
+ return vhost_poll_start(poll, sock->file);
+}
+
static int vhost_net_tx_get_vq_desc(struct vhost_net *net,
struct vhost_virtqueue *vq,
struct iovec iov[], unsigned int iov_size,
{
unsigned long uninitialized_var(endtime);
int r = vhost_get_vq_desc(vq, vq->iov, ARRAY_SIZE(vq->iov),
- out_num, in_num, NULL, NULL);
+ out_num, in_num, NULL, NULL);
if (r == vq->num && vq->busyloop_timeout) {
preempt_disable();
cpu_relax_lowlatency();
preempt_enable();
r = vhost_get_vq_desc(vq, vq->iov, ARRAY_SIZE(vq->iov),
- out_num, in_num, NULL, NULL);
+ out_num, in_num, NULL, NULL);
}
return r;
if (!sock)
goto out;
+ if (!vq_iotlb_prefetch(vq))
+ goto out;
+
vhost_disable_notify(&net->dev, vq);
hdr_size = nvq->vhost_hlen;
static int peek_head_len(struct sock *sk)
{
+ struct socket *sock = sk->sk_socket;
struct sk_buff *head;
int len = 0;
unsigned long flags;
+ if (sock->ops->peek_len)
+ return sock->ops->peek_len(sock);
+
spin_lock_irqsave(&sk->sk_receive_queue.lock, flags);
head = skb_peek(&sk->sk_receive_queue);
if (likely(head)) {
return len;
}
+static int sk_has_rx_data(struct sock *sk)
+{
+ struct socket *sock = sk->sk_socket;
+
+ if (sock->ops->peek_len)
+ return sock->ops->peek_len(sock);
+
+ return skb_queue_empty(&sk->sk_receive_queue);
+}
+
static int vhost_net_rx_peek_head_len(struct vhost_net *net, struct sock *sk)
{
struct vhost_net_virtqueue *nvq = &net->vqs[VHOST_NET_VQ_TX];
endtime = busy_clock() + vq->busyloop_timeout;
while (vhost_can_busy_poll(&net->dev, endtime) &&
- skb_queue_empty(&sk->sk_receive_queue) &&
+ !sk_has_rx_data(sk) &&
vhost_vq_avail_empty(&net->dev, vq))
cpu_relax_lowlatency();
sock = vq->private_data;
if (!sock)
goto out;
+
+ if (!vq_iotlb_prefetch(vq))
+ goto out;
+
vhost_disable_notify(&net->dev, vq);
+ vhost_net_disable_vq(net, vq);
vhost_hlen = nvq->vhost_hlen;
sock_hlen = nvq->sock_hlen;
likely(mergeable) ? UIO_MAXIOV : 1);
/* On error, stop handling until the next kick. */
if (unlikely(headcount < 0))
- break;
+ goto out;
/* On overrun, truncate and discard */
if (unlikely(headcount > UIO_MAXIOV)) {
iov_iter_init(&msg.msg_iter, READ, vq->iov, 1, 1);
}
/* Nothing new? Wait for eventfd to tell us
* they refilled. */
- break;
+ goto out;
}
/* We don't need to be notified again. */
iov_iter_init(&msg.msg_iter, READ, vq->iov, in, vhost_len);
&fixup) != sizeof(hdr)) {
vq_err(vq, "Unable to write vnet_hdr "
"at addr %p\n", vq->iov->iov_base);
- break;
+ goto out;
}
} else {
/* Header came from socket; we'll need to patch
&fixup) != sizeof num_buffers) {
vq_err(vq, "Failed num_buffers write");
vhost_discard_vq_desc(vq, headcount);
- break;
+ goto out;
}
vhost_add_used_and_signal_n(&net->dev, vq, vq->heads,
headcount);
total_len += vhost_len;
if (unlikely(total_len >= VHOST_NET_WEIGHT)) {
vhost_poll_queue(&vq->poll);
- break;
+ goto out;
}
}
+ vhost_net_enable_vq(net, vq);
out:
mutex_unlock(&vq->mutex);
}
return 0;
}
-static void vhost_net_disable_vq(struct vhost_net *n,
- struct vhost_virtqueue *vq)
-{
- struct vhost_net_virtqueue *nvq =
- container_of(vq, struct vhost_net_virtqueue, vq);
- struct vhost_poll *poll = n->poll + (nvq - n->vqs);
- if (!vq->private_data)
- return;
- vhost_poll_stop(poll);
-}
-
-static int vhost_net_enable_vq(struct vhost_net *n,
- struct vhost_virtqueue *vq)
-{
- struct vhost_net_virtqueue *nvq =
- container_of(vq, struct vhost_net_virtqueue, vq);
- struct vhost_poll *poll = n->poll + (nvq - n->vqs);
- struct socket *sock;
-
- sock = vq->private_data;
- if (!sock)
- return 0;
-
- return vhost_poll_start(poll, sock->file);
-}
-
static struct socket *vhost_net_stop_vq(struct vhost_net *n,
struct vhost_virtqueue *vq)
{
struct socket *tx_sock = NULL;
struct socket *rx_sock = NULL;
long err;
- struct vhost_memory *memory;
+ struct vhost_umem *umem;
mutex_lock(&n->dev.mutex);
err = vhost_dev_check_owner(&n->dev);
if (err)
goto done;
- memory = vhost_dev_reset_owner_prepare();
- if (!memory) {
+ umem = vhost_dev_reset_owner_prepare();
+ if (!umem) {
err = -ENOMEM;
goto done;
}
vhost_net_stop(n, &tx_sock, &rx_sock);
vhost_net_flush(n);
- vhost_dev_reset_owner(&n->dev, memory);
+ vhost_dev_reset_owner(&n->dev, umem);
vhost_net_vq_reset(n);
done:
mutex_unlock(&n->dev.mutex);
}
mutex_lock(&n->dev.mutex);
if ((features & (1 << VHOST_F_LOG_ALL)) &&
- !vhost_log_access_ok(&n->dev)) {
- mutex_unlock(&n->dev.mutex);
- return -EFAULT;
+ !vhost_log_access_ok(&n->dev))
+ goto out_unlock;
+
+ if ((features & (1ULL << VIRTIO_F_IOMMU_PLATFORM))) {
+ if (vhost_init_device_iotlb(&n->dev, true))
+ goto out_unlock;
}
+
for (i = 0; i < VHOST_NET_VQ_MAX; ++i) {
mutex_lock(&n->vqs[i].vq.mutex);
n->vqs[i].vq.acked_features = features;
}
mutex_unlock(&n->dev.mutex);
return 0;
+
+ out_unlock:
+ mutex_unlock(&n->dev.mutex);
+ return -EFAULT;
}
static long vhost_net_set_owner(struct vhost_net *n)
}
#endif
+ static ssize_t vhost_net_chr_read_iter(struct kiocb *iocb, struct iov_iter *to)
+ {
+ struct file *file = iocb->ki_filp;
+ struct vhost_net *n = file->private_data;
+ struct vhost_dev *dev = &n->dev;
+ int noblock = file->f_flags & O_NONBLOCK;
+
+ return vhost_chr_read_iter(dev, to, noblock);
+ }
+
+ static ssize_t vhost_net_chr_write_iter(struct kiocb *iocb,
+ struct iov_iter *from)
+ {
+ struct file *file = iocb->ki_filp;
+ struct vhost_net *n = file->private_data;
+ struct vhost_dev *dev = &n->dev;
+
+ return vhost_chr_write_iter(dev, from);
+ }
+
+ static unsigned int vhost_net_chr_poll(struct file *file, poll_table *wait)
+ {
+ struct vhost_net *n = file->private_data;
+ struct vhost_dev *dev = &n->dev;
+
+ return vhost_chr_poll(file, dev, wait);
+ }
+
static const struct file_operations vhost_net_fops = {
.owner = THIS_MODULE,
.release = vhost_net_release,
+ .read_iter = vhost_net_chr_read_iter,
+ .write_iter = vhost_net_chr_write_iter,
+ .poll = vhost_net_chr_poll,
.unlocked_ioctl = vhost_net_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl = vhost_net_compat_ioctl,
projects / cascardo / linux.git / commitdiff