S: Maintained
F: Documentation/filesystems/9p.txt
F: fs/9p/
+F: net/9p/
+F: include/net/9p/
+F: include/uapi/linux/virtio_9p.h
+F: include/trace/events/9p.h
+
A8293 MEDIA DRIVER
M: Antti Palosaari <crope@iki.fi>
F: drivers/pnp/pnpacpi/
F: include/linux/acpi.h
F: include/acpi/
+F: Documentation/acpi
+F: Documentation/ABI/testing/sysfs-bus-acpi
+F: drivers/pci/*acpi*
+F: drivers/pci/*/*acpi*
+F: drivers/pci/*/*/*acpi*
ACPI FAN DRIVER
M: Zhang Rui <rui.zhang@intel.com>
F: arch/arm/mach-highbank/
ARM/CAVIUM NETWORKS CNS3XXX MACHINE SUPPORT
-M: Anton Vorontsov <avorontsov@mvista.com>
+M: Anton Vorontsov <anton@enomsg.org>
S: Maintained
F: arch/arm/mach-cns3xxx/
T: git git://git.infradead.org/users/cbou/linux-cns3xxx.git
ARM/CSR SIRFPRIMA2 MACHINE SUPPORT
M: Barry Song <baohua.song@csr.com>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/baohua/linux.git
S: Maintained
F: arch/arm/mach-prima2/
F: drivers/dma/sirf-dma.c
S: Maintained
F: arch/arm/mach-s5p*/
F: arch/arm/mach-exynos*/
+N: exynos
ARM/SAMSUNG MOBILE MACHINE SUPPORT
M: Kyungmin Park <kyungmin.park@samsung.com>
S: Maintained
F: drivers/media/platform/s5p-g2d/
-ARM/SAMSUNG S5P SERIES FIMC SUPPORT
-M: Kyungmin Park <kyungmin.park@samsung.com>
-M: Sylwester Nawrocki <s.nawrocki@samsung.com>
-L: linux-arm-kernel@lists.infradead.org
-L: linux-media@vger.kernel.org
-S: Maintained
-F: arch/arm/plat-samsung/include/plat/*fimc*
-F: drivers/media/platform/s5p-fimc/
-
ARM/SAMSUNG S5P SERIES Multi Format Codec (MFC) SUPPORT
M: Kyungmin Park <kyungmin.park@samsung.com>
M: Kamil Debski <k.debski@samsung.com>
S: Maintained
F: drivers/clk/socfpga/
+ARM/STI ARCHITECTURE
+M: Srinivas Kandagatla <srinivas.kandagatla@st.com>
+M: Stuart Menefy <stuart.menefy@st.com>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+L: kernel@stlinux.com
+W: http://www.stlinux.com
+S: Maintained
+F: arch/arm/mach-sti/
+
ARM/TECHNOLOGIC SYSTEMS TS7250 MACHINE SUPPORT
M: Lennert Buytenhek <kernel@wantstofly.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
F: arch/arm/mach-vt8500/
F: drivers/clocksource/vt8500_timer.c
F: drivers/gpio/gpio-vt8500.c
+F: drivers/i2c/busses/i2c-wmt.c
F: drivers/mmc/host/wmt-sdmmc.c
F: drivers/pwm/pwm-vt8500.c
F: drivers/rtc/rtc-vt8500.c
T: git git://git.xilinx.com/linux-xlnx.git
S: Supported
F: arch/arm/mach-zynq/
+F: drivers/cpuidle/cpuidle-zynq.c
+
+ARM SMMU DRIVER
+M: Will Deacon <will.deacon@arm.com>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S: Maintained
+F: drivers/iommu/arm-smmu.c
ARM64 PORT (AARCH64 ARCHITECTURE)
M: Catalin Marinas <catalin.marinas@arm.com>
F: net/ax25/
AZ6007 DVB DRIVER
-M: Mauro Carvalho Chehab <mchehab@redhat.com>
+M: Mauro Carvalho Chehab <m.chehab@samsung.com>
L: linux-media@vger.kernel.org
W: http://linuxtv.org
T: git git://linuxtv.org/media_tree.git
BACKLIGHT CLASS/SUBSYSTEM
M: Richard Purdie <rpurdie@rpsys.net>
+M: Jingoo Han <jg1.han@samsung.com>
S: Maintained
F: drivers/video/backlight/
F: include/linux/backlight.h
F: fs/btrfs/
BTTV VIDEO4LINUX DRIVER
-M: Mauro Carvalho Chehab <mchehab@redhat.com>
+M: Mauro Carvalho Chehab <m.chehab@samsung.com>
L: linux-media@vger.kernel.org
W: http://linuxtv.org
T: git git://linuxtv.org/media_tree.git
F: Documentation/video4linux/bttv/
F: drivers/media/pci/bt8xx/bttv*
+BUSLOGIC SCSI DRIVER
+M: Khalid Aziz <khalid@gonehiking.org>
+L: linux-scsi@vger.kernel.org
+S: Maintained
+F: drivers/scsi/BusLogic.*
+F: drivers/scsi/FlashPoint.*
+
C-MEDIA CMI8788 DRIVER
M: Clemens Ladisch <clemens@ladisch.de>
L: alsa-devel@alsa-project.org (moderated for non-subscribers)
M: Julia Lawall <Julia.Lawall@lip6.fr>
M: Gilles Muller <Gilles.Muller@lip6.fr>
M: Nicolas Palix <nicolas.palix@imag.fr>
+M: Michal Marek <mmarek@suse.cz>
L: cocci@systeme.lip6.fr (moderated for non-subscribers)
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild.git misc
W: http://coccinelle.lip6.fr/
S: Supported
+F: Documentation/coccinelle.txt
F: scripts/coccinelle/
F: scripts/coccicheck
L: linux-arm-kernel@lists.infradead.org (same as CLK API & CLKDEV)
T: git git://git.linaro.org/people/mturquette/linux.git
S: Maintained
-F: drivers/clk/clk.c
-F: drivers/clk/clk-*
+F: drivers/clk/
+X: drivers/clk/clkdev.c
F: include/linux/clk-pr*
+F: include/linux/clk/
COMMON INTERNET FILE SYSTEM (CIFS)
M: Steve French <sfrench@samba.org>
L: cpufreq@vger.kernel.org
L: linux-pm@vger.kernel.org
S: Maintained
-T: git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git
+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)
F: drivers/cpufreq/
F: include/linux/cpufreq.h
F: include/media/cx2341x*
CX88 VIDEO4LINUX DRIVER
-M: Mauro Carvalho Chehab <mchehab@redhat.com>
+M: Mauro Carvalho Chehab <m.chehab@samsung.com>
L: linux-media@vger.kernel.org
W: http://linuxtv.org
T: git git://linuxtv.org/media_tree.git
DEVICE FREQUENCY (DEVFREQ)
M: MyungJoo Ham <myungjoo.ham@samsung.com>
M: Kyungmin Park <kyungmin.park@samsung.com>
-L: linux-kernel@vger.kernel.org
+L: linux-pm@vger.kernel.org
S: Maintained
F: drivers/devfreq/
DEVICE-MAPPER (LVM)
M: Alasdair Kergon <agk@redhat.com>
+M: Mike Snitzer <snitzer@redhat.com>
M: dm-devel@redhat.com
L: dm-devel@redhat.com
W: http://sources.redhat.com/dm
F: drivers/md/persistent-data/
F: include/linux/device-mapper.h
F: include/linux/dm-*.h
+F: include/uapi/linux/dm-*.h
DIOLAN U2C-12 I2C DRIVER
M: Guenter Roeck <linux@roeck-us.net>
F: include/uapi/drm/exynos*
DRM DRIVERS FOR NVIDIA TEGRA
-M: Thierry Reding <thierry.reding@avionic-design.de>
+M: Thierry Reding <thierry.reding@gmail.com>
+M: Terje Bergström <tbergstrom@nvidia.com>
L: dri-devel@lists.freedesktop.org
L: linux-tegra@vger.kernel.org
-T: git git://gitorious.org/thierryreding/linux.git
+T: git git://anongit.freedesktop.org/tegra/linux.git
S: Maintained
-F: drivers/gpu/drm/tegra/
+F: drivers/gpu/host1x/
+F: include/uapi/drm/tegra_drm.h
F: Documentation/devicetree/bindings/gpu/nvidia,tegra20-host1x.txt
DSBR100 USB FM RADIO DRIVER
F: drivers/edac/e7xxx_edac.c
EDAC-GHES
-M: Mauro Carvalho Chehab <mchehab@redhat.com>
+M: Mauro Carvalho Chehab <m.chehab@samsung.com>
L: linux-edac@vger.kernel.org
W: bluesmoke.sourceforge.net
S: Maintained
F: drivers/edac/i5000_edac.c
EDAC-I5400
-M: Mauro Carvalho Chehab <mchehab@redhat.com>
+M: Mauro Carvalho Chehab <m.chehab@samsung.com>
L: linux-edac@vger.kernel.org
W: bluesmoke.sourceforge.net
S: Maintained
F: drivers/edac/i5400_edac.c
EDAC-I7300
-M: Mauro Carvalho Chehab <mchehab@redhat.com>
+M: Mauro Carvalho Chehab <m.chehab@samsung.com>
L: linux-edac@vger.kernel.org
W: bluesmoke.sourceforge.net
S: Maintained
F: drivers/edac/i7300_edac.c
EDAC-I7CORE
-M: Mauro Carvalho Chehab <mchehab@redhat.com>
+M: Mauro Carvalho Chehab <m.chehab@samsung.com>
L: linux-edac@vger.kernel.org
W: bluesmoke.sourceforge.net
S: Maintained
F: drivers/edac/r82600_edac.c
EDAC-SBRIDGE
-M: Mauro Carvalho Chehab <mchehab@redhat.com>
+M: Mauro Carvalho Chehab <m.chehab@samsung.com>
L: linux-edac@vger.kernel.org
W: bluesmoke.sourceforge.net
S: Maintained
F: drivers/net/ethernet/ibm/ehea/
EM28XX VIDEO4LINUX DRIVER
-M: Mauro Carvalho Chehab <mchehab@redhat.com>
+M: Mauro Carvalho Chehab <m.chehab@samsung.com>
L: linux-media@vger.kernel.org
W: http://linuxtv.org
T: git git://linuxtv.org/media_tree.git
S: Maintained
F: drivers/media/rc/ene_ir.*
+ENHANCED ERROR HANDLING (EEH)
+M: Gavin Shan <shangw@linux.vnet.ibm.com>
+L: linuxppc-dev@lists.ozlabs.org
+S: Supported
+F: Documentation/powerpc/eeh-pci-error-recovery.txt
+F: arch/powerpc/kernel/eeh*.c
+
EPSON S1D13XXX FRAMEBUFFER DRIVER
M: Kristoffer Ericson <kristoffer.ericson@gmail.com>
S: Maintained
FCOE SUBSYSTEM (libfc, libfcoe, fcoe)
M: Robert Love <robert.w.love@intel.com>
-L: devel@open-fcoe.org
+L: fcoe-devel@open-fcoe.org
W: www.Open-FCoE.org
S: Supported
F: drivers/scsi/libfc/
S: Odd fixes
F: drivers/block/floppy.c
+FMC SUBSYSTEM
+M: Alessandro Rubini <rubini@gnudd.com>
+W: http://www.ohwr.org/projects/fmc-bus
+S: Supported
+F: drivers/fmc/
+F: include/linux/fmc*.h
+F: include/linux/ipmi-fru.h
+K: fmc_d.*register
+
FPU EMULATOR
M: Bill Metzenthen <billm@melbpc.org.au>
W: http://floatingpoint.sourceforge.net/emulator/index.html
M: Grant Likely <grant.likely@linaro.org>
M: Linus Walleij <linus.walleij@linaro.org>
S: Maintained
+L: linux-gpio@vger.kernel.org
T: git git://git.secretlab.ca/git/linux-2.6.git
F: Documentation/gpio.txt
F: drivers/gpio/
F: arch/ia64/
IBM Power in-Nest Crypto Acceleration
-M: Kent Yoder <key@linux.vnet.ibm.com>
+M: Marcelo Henrique Cerri <mhcerri@linux.vnet.ibm.com>
+M: Fionnuala Gunter <fin@linux.vnet.ibm.com>
L: linux-crypto@vger.kernel.org
S: Supported
F: drivers/crypto/nx/
INTEGRITY MEASUREMENT ARCHITECTURE (IMA)
M: Mimi Zohar <zohar@us.ibm.com>
+M: Dmitry Kasatkin <d.kasatkin@samsung.com>
S: Supported
F: security/integrity/ima/
F: include/linux/jbd2.h
JSM Neo PCI based serial card
-M: Lucas Tavares <lucaskt@linux.vnet.ibm.com>
+M: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
L: linux-serial@vger.kernel.org
S: Maintained
F: drivers/tty/serial/jsm/
F: drivers/s390/kvm/
KERNEL VIRTUAL MACHINE (KVM) FOR ARM
-M: Christoffer Dall <cdall@cs.columbia.edu>
+M: Christoffer Dall <christoffer.dall@linaro.org>
L: kvmarm@lists.cs.columbia.edu
W: http://systems.cs.columbia.edu/projects/kvm-arm
-S: Maintained
+S: Supported
F: arch/arm/include/uapi/asm/kvm*
F: arch/arm/include/asm/kvm*
F: arch/arm/kvm/
+KERNEL VIRTUAL MACHINE FOR ARM64 (KVM/arm64)
+M: Marc Zyngier <marc.zyngier@arm.com>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+L: kvmarm@lists.cs.columbia.edu
+S: Maintained
+F: arch/arm64/include/uapi/asm/kvm*
+F: arch/arm64/include/asm/kvm*
+F: arch/arm64/kvm/
+
KEXEC
M: Eric Biederman <ebiederm@xmission.com>
W: http://kernel.org/pub/linux/utils/kernel/kexec/
F: drivers/media/radio/radio-maxiradio*
MEDIA INPUT INFRASTRUCTURE (V4L/DVB)
-M: Mauro Carvalho Chehab <mchehab@redhat.com>
+M: Mauro Carvalho Chehab <m.chehab@samsung.com>
P: LinuxTV.org Project
L: linux-media@vger.kernel.org
W: http://linuxtv.org
S: Odd Fixes
F: drivers/media/radio/radio-miropcm20*
+ Mellanox MLX5 core VPI driver
+ M: Eli Cohen <eli@mellanox.com>
+ L: netdev@vger.kernel.org
+ L: linux-rdma@vger.kernel.org
+ W: http://www.mellanox.com
+ Q: http://patchwork.ozlabs.org/project/netdev/list/
+ Q: http://patchwork.kernel.org/project/linux-rdma/list/
+ T: git://openfabrics.org/~eli/connect-ib.git
+ S: Supported
+ F: drivers/net/ethernet/mellanox/mlx5/core/
+ F: include/linux/mlx5/
+
+ Mellanox MLX5 IB driver
+ M: Eli Cohen <eli@mellanox.com>
+ L: linux-rdma@vger.kernel.org
+ W: http://www.mellanox.com
+ Q: http://patchwork.kernel.org/project/linux-rdma/list/
+ T: git://openfabrics.org/~eli/connect-ib.git
+ S: Supported
+ F: include/linux/mlx5/
+ F: drivers/infiniband/hw/mlx5/
+
MODULE SUPPORT
M: Rusty Russell <rusty@rustcorp.com.au>
S: Maintained
MULTIFUNCTION DEVICES (MFD)
M: Samuel Ortiz <sameo@linux.intel.com>
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-2.6.git
+M: Lee Jones <lee.jones@linaro.org>
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-next.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-fixes.git
S: Supported
F: drivers/mfd/
+F: include/linux/mfd/
MULTIMEDIA CARD (MMC), SECURE DIGITAL (SD) AND SDIO SUBSYSTEM
M: Chris Ball <cjb@laptop.org>
L: osst-users@lists.sourceforge.net
L: linux-scsi@vger.kernel.org
S: Maintained
-F: drivers/scsi/osst*
-F: drivers/scsi/st*
+F: Documentation/scsi/osst.txt
+F: drivers/scsi/osst.*
+F: drivers/scsi/osst_*.h
+F: drivers/scsi/st.h
OPENCORES I2C BUS DRIVER
M: Peter Korsgaard <jacmet@sunsite.dk>
L: linux-pci@vger.kernel.org
S: Supported
F: Documentation/PCI/pci-error-recovery.txt
-F: Documentation/powerpc/eeh-pci-error-recovery.txt
PCI SUBSYSTEM
M: Bjorn Helgaas <bhelgaas@google.com>
S: Maintained
F: drivers/pinctrl/pinctrl-at91.c
+PIN CONTROLLER - SAMSUNG
+M: Tomasz Figa <t.figa@samsung.com>
+M: Thomas Abraham <thomas.abraham@linaro.org>
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+L: linux-samsung-soc@vger.kernel.org (moderated for non-subscribers)
+S: Maintained
+F: drivers/pinctrl/pinctrl-exynos.*
+F: drivers/pinctrl/pinctrl-s3c*
+F: drivers/pinctrl/pinctrl-samsung.*
+
PIN CONTROLLER - ST SPEAR
M: Viresh Kumar <viresh.linux@gmail.com>
L: spear-devel@list.st.com
F: kernel/*timer*
POWER SUPPLY CLASS/SUBSYSTEM and DRIVERS
-M: Anton Vorontsov <cbou@mail.ru>
+M: Anton Vorontsov <anton@enomsg.org>
M: David Woodhouse <dwmw2@infradead.org>
T: git git://git.infradead.org/battery-2.6.git
S: Maintained
F: drivers/block/ps3vram.c
PSTORE FILESYSTEM
-M: Anton Vorontsov <cbouatmailru@gmail.com>
+M: Anton Vorontsov <anton@enomsg.org>
M: Colin Cross <ccross@android.com>
M: Kees Cook <keescook@chromium.org>
M: Tony Luck <tony.luck@intel.com>
F: drivers/media/usb/pwc/*
PWM SUBSYSTEM
-M: Thierry Reding <thierry.reding@avionic-design.de>
-L: linux-kernel@vger.kernel.org
+M: Thierry Reding <thierry.reding@gmail.com>
+L: linux-pwm@vger.kernel.org
S: Maintained
W: http://gitorious.org/linux-pwm
T: git git://gitorious.org/linux-pwm/linux-pwm.git
F: drivers/media/i2c/saa6588*
SAA7134 VIDEO4LINUX DRIVER
-M: Mauro Carvalho Chehab <mchehab@redhat.com>
+M: Mauro Carvalho Chehab <m.chehab@samsung.com>
L: linux-media@vger.kernel.org
W: http://linuxtv.org
T: git git://linuxtv.org/media_tree.git
F: drivers/rtc/rtc-sec.c
F: include/linux/mfd/samsung/
+SAMSUNG S5P/EXYNOS4 SOC SERIES CAMERA SUBSYSTEM DRIVERS
+M: Kyungmin Park <kyungmin.park@samsung.com>
+M: Sylwester Nawrocki <s.nawrocki@samsung.com>
+L: linux-media@vger.kernel.org
+Q: https://patchwork.linuxtv.org/project/linux-media/list/
+S: Supported
+F: drivers/media/platform/exynos4-is/
+F: include/media/s5p_fimc.h
+
SAMSUNG S3C24XX/S3C64XX SOC SERIES CAMIF DRIVER
M: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
L: linux-media@vger.kernel.org
M: Viresh Kumar <viresh.linux@gmail.com>
S: Maintained
F: include/linux/dw_dmac.h
-F: drivers/dma/dw_dmac_regs.h
-F: drivers/dma/dw_dmac.c
+F: drivers/dma/dw/
SYNOPSYS DESIGNWARE MMC/SD/SDIO DRIVER
M: Seungwon Jeon <tgih.jun@samsung.com>
L: linux-scsi@vger.kernel.org
S: Maintained
F: Documentation/scsi/st.txt
-F: drivers/scsi/st*
+F: drivers/scsi/st.*
+F: drivers/scsi/st_*.h
SCTP PROTOCOL
M: Vlad Yasevich <vyasevich@gmail.com>
F: drivers/mmc/host/sdhci-pltfm.[ch]
SECURE DIGITAL HOST CONTROLLER INTERFACE, OPEN FIRMWARE BINDINGS (SDHCI-OF)
-M: Anton Vorontsov <avorontsov@ru.mvista.com>
+M: Anton Vorontsov <anton@enomsg.org>
L: linuxppc-dev@lists.ozlabs.org
L: linux-mmc@vger.kernel.org
S: Maintained
F: drivers/media/radio/radio-si4713.h
SIANO DVB DRIVER
-M: Mauro Carvalho Chehab <mchehab@redhat.com>
+M: Mauro Carvalho Chehab <m.chehab@samsung.com>
L: linux-media@vger.kernel.org
W: http://linuxtv.org
T: git git://linuxtv.org/media_tree.git
M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
L: stable@vger.kernel.org
S: Supported
+F: Documentation/stable_kernel_rules.txt
STAGING SUBSYSTEM
M: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
STAGING - SPEAKUP CONSOLE SPEECH DRIVER
M: William Hubbs <w.d.hubbs@gmail.com>
M: Chris Brannon <chris@the-brannons.com>
-M: Kirk Reiser <kirk@braille.uwo.ca>
+M: Kirk Reiser <kirk@reisers.ca>
M: Samuel Thibault <samuel.thibault@ens-lyon.org>
L: speakup@braille.uwo.ca
W: http://www.linux-speakup.org/
F: drivers/media/i2c/tda9840*
TEA5761 TUNER DRIVER
-M: Mauro Carvalho Chehab <mchehab@redhat.com>
+M: Mauro Carvalho Chehab <m.chehab@samsung.com>
L: linux-media@vger.kernel.org
W: http://linuxtv.org
T: git git://linuxtv.org/media_tree.git
F: drivers/media/tuners/tea5761.*
TEA5767 TUNER DRIVER
-M: Mauro Carvalho Chehab <mchehab@redhat.com>
+M: Mauro Carvalho Chehab <m.chehab@samsung.com>
L: linux-media@vger.kernel.org
W: http://linuxtv.org
T: git git://linuxtv.org/media_tree.git
M: Eduardo Valentin <eduardo.valentin@ti.com>
L: linux-pm@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal.git
Q: https://patchwork.kernel.org/project/linux-pm/list/
S: Supported
F: drivers/thermal/
TI BANDGAP AND THERMAL DRIVER
M: Eduardo Valentin <eduardo.valentin@ti.com>
L: linux-pm@vger.kernel.org
-S: Maintained
-F: drivers/staging/omap-thermal/
+S: Supported
+F: drivers/thermal/ti-soc-thermal/
TI FLASH MEDIA INTERFACE DRIVER
M: Alex Dubov <oakad@yahoo.com>
F: mm/shmem.c
TM6000 VIDEO4LINUX DRIVER
-M: Mauro Carvalho Chehab <mchehab@redhat.com>
+M: Mauro Carvalho Chehab <m.chehab@samsung.com>
L: linux-media@vger.kernel.org
W: http://linuxtv.org
T: git git://linuxtv.org/media_tree.git
F: drivers/media/usb/tm6000/
TPM DEVICE DRIVER
-M: Kent Yoder <key@linux.vnet.ibm.com>
+M: Leonidas Da Silva Barbosa <leosilva@linux.vnet.ibm.com>
+M: Ashley Lai <ashley@ashleylai.com>
M: Rajiv Andrade <mail@srajiv.net>
W: http://tpmdd.sourceforge.net
M: Marcel Selhorst <tpmdd@selhorst.net>
L: virtualization@lists.linux-foundation.org
S: Maintained
F: drivers/virtio/
+F: tools/virtio/
F: drivers/net/virtio_net.c
F: drivers/block/virtio_blk.c
F: include/linux/virtio_*.h
M: Mark Brown <broonie@kernel.org>
W: http://opensource.wolfsonmicro.com/node/15
W: http://www.slimlogic.co.uk/?p=48
-T: git git://git.kernel.org/pub/scm/linux/kernel/git/lrg/regulator.git
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git
S: Supported
F: drivers/regulator/
F: include/linux/regulator/
F: arch/x86/kernel/cpu/mcheck/*
XC2028/3028 TUNER DRIVER
-M: Mauro Carvalho Chehab <mchehab@redhat.com>
+M: Mauro Carvalho Chehab <m.chehab@samsung.com>
L: linux-media@vger.kernel.org
W: http://linuxtv.org
T: git git://linuxtv.org/media_tree.git
F: arch/arm/xen/
F: arch/arm/include/asm/xen/
+XEN HYPERVISOR ARM64
+M: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
+L: xen-devel@lists.xensource.com (moderated for non-subscribers)
+S: Supported
+F: arch/arm64/xen/
+F: arch/arm64/include/asm/xen/
+
XEN NETWORK BACKEND DRIVER
M: Ian Campbell <ian.campbell@citrix.com>
L: xen-devel@lists.xensource.com (moderated for non-subscribers)
F: drivers/net/hamradio/*scc.c
F: drivers/net/hamradio/z8530.h
+ZBUD COMPRESSED PAGE ALLOCATOR
+M: Seth Jennings <sjenning@linux.vnet.ibm.com>
+L: linux-mm@kvack.org
+S: Maintained
+F: mm/zbud.c
+F: include/linux/zbud.h
+
ZD1211RW WIRELESS DRIVER
M: Daniel Drake <dsd@gentoo.org>
M: Ulrich Kunitz <kune@deine-taler.de>
S: Maintained
F: drivers/tty/serial/zs.*
+ZSWAP COMPRESSED SWAP CACHING
+M: Seth Jennings <sjenning@linux.vnet.ibm.com>
+L: linux-mm@kvack.org
+S: Maintained
+F: mm/zswap.c
+
THE REST
M: Linus Torvalds <torvalds@linux-foundation.org>
L: linux-kernel@vger.kernel.org
/*
- * Copyright (c) 2012 Intel Corporation. All rights reserved.
+ * Copyright (c) 2012, 2013 Intel Corporation. All rights reserved.
* Copyright (c) 2006 - 2012 QLogic Corporation. All rights reserved.
* Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
*
return pollflag;
}
+ static void assign_ctxt_affinity(struct file *fp, struct qib_devdata *dd)
+ {
+ struct qib_filedata *fd = fp->private_data;
+ const unsigned int weight = cpumask_weight(¤t->cpus_allowed);
+ const struct cpumask *local_mask = cpumask_of_pcibus(dd->pcidev->bus);
+ int local_cpu;
+
+ /*
+ * If process has NOT already set it's affinity, select and
+ * reserve a processor for it on the local NUMA node.
+ */
+ if ((weight >= qib_cpulist_count) &&
+ (cpumask_weight(local_mask) <= qib_cpulist_count)) {
+ for_each_cpu(local_cpu, local_mask)
+ if (!test_and_set_bit(local_cpu, qib_cpulist)) {
+ fd->rec_cpu_num = local_cpu;
+ return;
+ }
+ }
+
+ /*
+ * If process has NOT already set it's affinity, select and
+ * reserve a processor for it, as a rendevous for all
+ * users of the driver. If they don't actually later
+ * set affinity to this cpu, or set it to some other cpu,
+ * it just means that sooner or later we don't recommend
+ * a cpu, and let the scheduler do it's best.
+ */
+ if (weight >= qib_cpulist_count) {
+ int cpu;
+ cpu = find_first_zero_bit(qib_cpulist,
+ qib_cpulist_count);
+ if (cpu == qib_cpulist_count)
+ qib_dev_err(dd,
+ "no cpus avail for affinity PID %u\n",
+ current->pid);
+ else {
+ __set_bit(cpu, qib_cpulist);
+ fd->rec_cpu_num = cpu;
+ }
+ }
+ }
+
/*
* Check that userland and driver are compatible for subcontexts.
*/
static int setup_ctxt(struct qib_pportdata *ppd, int ctxt,
struct file *fp, const struct qib_user_info *uinfo)
{
+ struct qib_filedata *fd = fp->private_data;
struct qib_devdata *dd = ppd->dd;
struct qib_ctxtdata *rcd;
void *ptmp = NULL;
int ret;
+ int numa_id;
+
+ assign_ctxt_affinity(fp, dd);
- rcd = qib_create_ctxtdata(ppd, ctxt);
+ numa_id = qib_numa_aware ? ((fd->rec_cpu_num != -1) ?
+ cpu_to_node(fd->rec_cpu_num) :
+ numa_node_id()) : dd->assigned_node_id;
+
+ rcd = qib_create_ctxtdata(ppd, ctxt, numa_id);
/*
* Allocate memory for use in qib_tid_update() at open to
goto bail;
bailerr:
+ if (fd->rec_cpu_num != -1)
+ __clear_bit(fd->rec_cpu_num, qib_cpulist);
+
dd->rcd[ctxt] = NULL;
kfree(rcd);
kfree(ptmp);
return fp->private_data ? 0 : -ENOMEM;
}
+ static int find_hca(unsigned int cpu, int *unit)
+ {
+ int ret = 0, devmax, npresent, nup, ndev;
+
+ *unit = -1;
+
+ devmax = qib_count_units(&npresent, &nup);
+ if (!npresent) {
+ ret = -ENXIO;
+ goto done;
+ }
+ if (!nup) {
+ ret = -ENETDOWN;
+ goto done;
+ }
+ for (ndev = 0; ndev < devmax; ndev++) {
+ struct qib_devdata *dd = qib_lookup(ndev);
+ if (dd) {
+ if (pcibus_to_node(dd->pcidev->bus) < 0) {
+ ret = -EINVAL;
+ goto done;
+ }
+ if (cpu_to_node(cpu) ==
+ pcibus_to_node(dd->pcidev->bus)) {
+ *unit = ndev;
+ goto done;
+ }
+ }
+ }
+ done:
+ return ret;
+ }
+
+ static int do_qib_user_sdma_queue_create(struct file *fp)
+ {
+ struct qib_filedata *fd = fp->private_data;
+ struct qib_ctxtdata *rcd = fd->rcd;
+ struct qib_devdata *dd = rcd->dd;
+
+ if (dd->flags & QIB_HAS_SEND_DMA)
+
+ fd->pq = qib_user_sdma_queue_create(&dd->pcidev->dev,
+ dd->unit,
+ rcd->ctxt,
+ fd->subctxt);
+ if (!fd->pq)
+ return -ENOMEM;
+
+ return 0;
+ }
+
/*
* Get ctxt early, so can set affinity prior to memory allocation.
*/
if (qib_compatible_subctxts(swmajor, swminor) &&
uinfo->spu_subctxt_cnt) {
ret = find_shared_ctxt(fp, uinfo);
- if (ret) {
- if (ret > 0)
- ret = 0;
- goto done_chk_sdma;
+ if (ret > 0) {
+ ret = do_qib_user_sdma_queue_create(fp);
+ if (!ret)
+ assign_ctxt_affinity(fp, (ctxt_fp(fp))->dd);
+ goto done_ok;
}
}
i_minor = iminor(file_inode(fp)) - QIB_USER_MINOR_BASE;
if (i_minor)
ret = find_free_ctxt(i_minor - 1, fp, uinfo);
- else
+ else {
+ int unit;
+ const unsigned int cpu = cpumask_first(¤t->cpus_allowed);
+ const unsigned int weight =
+ cpumask_weight(¤t->cpus_allowed);
+
+ if (weight == 1 && !test_bit(cpu, qib_cpulist))
+ if (!find_hca(cpu, &unit) && unit >= 0)
+ if (!find_free_ctxt(unit, fp, uinfo)) {
+ ret = 0;
+ goto done_chk_sdma;
+ }
ret = get_a_ctxt(fp, uinfo, alg);
-
- done_chk_sdma:
- if (!ret) {
- struct qib_filedata *fd = fp->private_data;
- const struct qib_ctxtdata *rcd = fd->rcd;
- const struct qib_devdata *dd = rcd->dd;
- unsigned int weight;
-
- if (dd->flags & QIB_HAS_SEND_DMA) {
- fd->pq = qib_user_sdma_queue_create(&dd->pcidev->dev,
- dd->unit,
- rcd->ctxt,
- fd->subctxt);
- if (!fd->pq)
- ret = -ENOMEM;
- }
-
- /*
- * If process has NOT already set it's affinity, select and
- * reserve a processor for it, as a rendezvous for all
- * users of the driver. If they don't actually later
- * set affinity to this cpu, or set it to some other cpu,
- * it just means that sooner or later we don't recommend
- * a cpu, and let the scheduler do it's best.
- */
- weight = cpumask_weight(tsk_cpus_allowed(current));
- if (!ret && weight >= qib_cpulist_count) {
- int cpu;
- cpu = find_first_zero_bit(qib_cpulist,
- qib_cpulist_count);
- if (cpu != qib_cpulist_count) {
- __set_bit(cpu, qib_cpulist);
- fd->rec_cpu_num = cpu;
- }
- } else if (weight == 1 &&
- test_bit(cpumask_first(tsk_cpus_allowed(current)),
- qib_cpulist))
- qib_devinfo(dd->pcidev,
- "%s PID %u affinity set to cpu %d; already allocated\n",
- current->comm, current->pid,
- cpumask_first(tsk_cpus_allowed(current)));
}
+ done_chk_sdma:
+ if (!ret)
+ ret = do_qib_user_sdma_queue_create(fp);
+ done_ok:
mutex_unlock(&qib_mutex);
done:
goto err_cdev;
}
- device = device_create(qib_class, NULL, dev, NULL, name);
+ device = device_create(qib_class, NULL, dev, NULL, "%s", name);
if (!IS_ERR(device))
goto done;
ret = PTR_ERR(device);
projects / cascardo / linux.git / commitdiff