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F:	drivers/oprofile/
F:	include/linux/oprofile.h
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ORACLE CLUSTER FILESYSTEM 2 (OCFS2)
M:	Mark Fasheh <mfasheh@suse.com>
M:	Joel Becker <jlbec@evilplan.org>
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L:	ocfs2-devel@oss.oracle.com (moderated for non-subscribers)
W:	http://ocfs2.wiki.kernel.org
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S:	Supported
F:	Documentation/filesystems/ocfs2.txt
F:	Documentation/filesystems/dlmfs.txt
F:	fs/ocfs2/
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ORINOCO DRIVER
L:	linux-wireless@vger.kernel.org
W:	http://wireless.kernel.org/en/users/Drivers/orinoco
W:	http://www.nongnu.org/orinoco/
F:	drivers/net/wireless/intersil/orinoco/
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OSD LIBRARY and FILESYSTEM
M:	Boaz Harrosh <ooo@electrozaur.com>
M:	Benny Halevy <bhalevy@primarydata.com>
L:	osd-dev@open-osd.org
W:	http://open-osd.org
T:	git git://git.open-osd.org/open-osd.git
F:	drivers/scsi/osd/
F:	include/scsi/osd_*
OVERLAY FILESYSTEM
M:	Miklos Szeredi <miklos@szeredi.hu>
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L:	linux-unionfs@vger.kernel.org
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs.git
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F:	fs/overlayfs/
F:	Documentation/filesystems/overlayfs.txt

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P54 WIRELESS DRIVER
M:	Christian Lamparter <chunkeey@googlemail.com>
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L:	linux-wireless@vger.kernel.org
W:	http://wireless.kernel.org/en/users/Drivers/p54
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S:	Maintained
F:	drivers/net/wireless/intersil/p54/
PA SEMI ETHERNET DRIVER
M:	Olof Johansson <olof@lixom.net>
L:	netdev@vger.kernel.org
S:	Maintained
F:	drivers/net/ethernet/pasemi/*
PA SEMI SMBUS DRIVER
M:	Olof Johansson <olof@lixom.net>
L:	linux-i2c@vger.kernel.org
S:	Maintained
F:	drivers/i2c/busses/i2c-pasemi.c
PADATA PARALLEL EXECUTION MECHANISM
M:	Steffen Klassert <steffen.klassert@secunet.com>
L:	linux-crypto@vger.kernel.org
S:	Maintained
F:	kernel/padata.c
F:	include/linux/padata.h
F:	Documentation/padata.txt

PANASONIC LAPTOP ACPI EXTRAS DRIVER
M:	Harald Welte <laforge@gnumonks.org>
L:	platform-driver-x86@vger.kernel.org
F:	drivers/platform/x86/panasonic-laptop.c
PANASONIC MN10300/AM33/AM34 PORT
M:	David Howells <dhowells@redhat.com>
M:	Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
L:	linux-am33-list@redhat.com (moderated for non-subscribers)
W:	ftp://ftp.redhat.com/pub/redhat/gnupro/AM33/
S:	Maintained
F:	Documentation/mn10300/
F:	arch/mn10300/
PARALLEL PORT SUBSYSTEM
M:	Sudip Mukherjee <sudipm.mukherjee@gmail.com>
M:	Sudip Mukherjee <sudip@vectorindia.org>
L:	linux-parport@lists.infradead.org (subscribers-only)
S:	Maintained
F:	drivers/parport/
F:	include/linux/parport*.h
F:	drivers/char/ppdev.c
F:	include/uapi/linux/ppdev.h
F:	Documentation/parport*.txt
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PARAVIRT_OPS INTERFACE
M:	Jeremy Fitzhardinge <jeremy@goop.org>
M:	Chris Wright <chrisw@sous-sol.org>
M:	Alok Kataria <akataria@vmware.com>
M:	Rusty Russell <rusty@rustcorp.com.au>
L:	virtualization@lists.linux-foundation.org
F:	Documentation/virtual/paravirt_ops.txt
F:	arch/*/kernel/paravirt*
F:	arch/*/include/asm/paravirt.h
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PARIDE DRIVERS FOR PARALLEL PORT IDE DEVICES
M:	Tim Waugh <tim@cyberelk.net>
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L:	linux-parport@lists.infradead.org (subscribers-only)
S:	Maintained
F:	Documentation/blockdev/paride.txt
F:	drivers/block/paride/
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PARISC ARCHITECTURE
M:	"James E.J. Bottomley" <jejb@parisc-linux.org>
M:	Helge Deller <deller@gmx.de>
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L:	linux-parisc@vger.kernel.org
W:	http://www.parisc-linux.org/
Q:	http://patchwork.kernel.org/project/linux-parisc/list/
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jejb/parisc-2.6.git
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux.git
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S:	Maintained
F:	arch/parisc/
F:	Documentation/parisc/
F:	drivers/parisc/
F:	drivers/char/agp/parisc-agp.c
F:	drivers/input/serio/gscps2.c
F:	drivers/parport/parport_gsc.*
F:	drivers/tty/serial/8250/8250_gsc.c
F:	drivers/video/fbdev/sti*
F:	drivers/video/console/sti*
F:	drivers/video/logo/logo_parisc*
PC87360 HARDWARE MONITORING DRIVER
M:	Jim Cromie <jim.cromie@gmail.com>
L:	lm-sensors@lm-sensors.org
S:	Maintained
F:	Documentation/hwmon/pc87360
F:	drivers/hwmon/pc87360.c
M:	Jim Cromie <jim.cromie@gmail.com>
F:	drivers/char/pc8736x_gpio.c
PC87427 HARDWARE MONITORING DRIVER
M:	Jean Delvare <jdelvare@suse.com>
L:	lm-sensors@lm-sensors.org
S:	Maintained
F:	Documentation/hwmon/pc87427
F:	drivers/hwmon/pc87427.c

PCA9532 LED DRIVER
M:	Riku Voipio <riku.voipio@iki.fi>
S:	Maintained
F:	drivers/leds/leds-pca9532.c
F:	include/linux/leds-pca9532.h
PCA9541 I2C BUS MASTER SELECTOR DRIVER
M:	Guenter Roeck <linux@roeck-us.net>
L:	linux-i2c@vger.kernel.org
S:	Maintained
F:	drivers/i2c/muxes/i2c-mux-pca9541.c
PCDP - PRIMARY CONSOLE AND DEBUG PORT
M:	Khalid Aziz <khalid@gonehiking.org>
S:	Maintained
F:	drivers/firmware/pcdp.*

PCI ERROR RECOVERY
M:	Linas Vepstas <linasvepstas@gmail.com>
L:	linux-pci@vger.kernel.org
F:	Documentation/PCI/pci-error-recovery.txt
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PCI SUBSYSTEM
M:	Bjorn Helgaas <bhelgaas@google.com>
L:	linux-pci@vger.kernel.org
Q:	http://patchwork.ozlabs.org/project/linux-pci/list/
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git
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S:	Supported
F:	Documentation/PCI/
F:	drivers/pci/
F:	include/linux/pci*
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PCI DRIVER FOR ALTERA PCIE IP
M:	Ley Foon Tan <lftan@altera.com>
L:	rfi@lists.rocketboards.org (moderated for non-subscribers)
L:	linux-pci@vger.kernel.org
S:	Supported
F:	Documentation/devicetree/bindings/pci/altera-pcie.txt
F:	drivers/pci/host/pcie-altera.c

PCI DRIVER FOR ARM VERSATILE PLATFORM
M:	Rob Herring <robh@kernel.org>
L:	linux-pci@vger.kernel.org
L:	linux-arm-kernel@lists.infradead.org
S:	Maintained
F:	Documentation/devicetree/bindings/pci/versatile.txt
F:	drivers/pci/host/pci-versatile.c

PCI DRIVER FOR APPLIEDMICRO XGENE
M:	Tanmay Inamdar <tinamdar@apm.com>
L:	linux-pci@vger.kernel.org
L:	linux-arm-kernel@lists.infradead.org
S:	Maintained
F:	Documentation/devicetree/bindings/pci/xgene-pci.txt
F:	drivers/pci/host/pci-xgene.c

PCI DRIVER FOR FREESCALE LAYERSCAPE
M:	Minghuan Lian <minghuan.Lian@freescale.com>
M:	Mingkai Hu <mingkai.hu@freescale.com>
M:	Roy Zang <tie-fei.zang@freescale.com>
L:	linuxppc-dev@lists.ozlabs.org
L:	linux-pci@vger.kernel.org
L:	linux-arm-kernel@lists.infradead.org
S:	Maintained
F:	drivers/pci/host/*layerscape*

M:	Richard Zhu <Richard.Zhu@freescale.com>
M:	Lucas Stach <l.stach@pengutronix.de>
L:	linux-pci@vger.kernel.org
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S:	Maintained
F:	drivers/pci/host/*imx6*

PCI DRIVER FOR TI KEYSTONE
M:	Murali Karicheri <m-karicheri2@ti.com>
L:	linux-pci@vger.kernel.org
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S:	Maintained
F:	drivers/pci/host/*keystone*

PCI DRIVER FOR MVEBU (Marvell Armada 370 and Armada XP SOC support)
M:	Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
M:	Jason Cooper <jason@lakedaemon.net>
L:	linux-pci@vger.kernel.org
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S:	Maintained
F:	drivers/pci/host/*mvebu*

PCI DRIVER FOR NVIDIA TEGRA
M:	Thierry Reding <thierry.reding@gmail.com>
L:	linux-tegra@vger.kernel.org
S:	Supported
F:	Documentation/devicetree/bindings/pci/nvidia,tegra20-pcie.txt
F:	drivers/pci/host/pci-tegra.c

PCI DRIVER FOR TI DRA7XX
M:	Kishon Vijay Abraham I <kishon@ti.com>
L:	linux-omap@vger.kernel.org
L:	linux-pci@vger.kernel.org
S:	Supported
F:	Documentation/devicetree/bindings/pci/ti-pci.txt
F:	drivers/pci/host/pci-dra7xx.c

PCI DRIVER FOR RENESAS R-CAR
M:	Simon Horman <horms@verge.net.au>
L:	linux-pci@vger.kernel.org
L:	linux-renesas-soc@vger.kernel.org
M:	Jingoo Han <jingoohan1@gmail.com>
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/pci/host/pci-exynos.c

PCI DRIVER FOR SYNOPSIS DESIGNWARE
M:	Jingoo Han <jingoohan1@gmail.com>
M:	Pratyush Anand <pratyush.anand@gmail.com>
L:	linux-pci@vger.kernel.org
S:	Maintained
F:	drivers/pci/host/*designware*

PCI DRIVER FOR GENERIC OF HOSTS
M:	Will Deacon <will.deacon@arm.com>
L:	linux-pci@vger.kernel.org
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S:	Maintained
F:	Documentation/devicetree/bindings/pci/host-generic-pci.txt
F:	drivers/pci/host/pci-host-generic.c

M:	Pratyush Anand <pratyush.anand@gmail.com>
PCI MSI DRIVER FOR ALTERA MSI IP
M:	Ley Foon Tan <lftan@altera.com>
L:	rfi@lists.rocketboards.org (moderated for non-subscribers)
L:	linux-pci@vger.kernel.org
S:	Supported
F:	Documentation/devicetree/bindings/pci/altera-pcie-msi.txt
F:	drivers/pci/host/pcie-altera-msi.c
PCI MSI DRIVER FOR APPLIEDMICRO XGENE
M:	Duc Dang <dhdang@apm.com>
L:	linux-pci@vger.kernel.org
L:	linux-arm-kernel@lists.infradead.org
S:	Maintained
F:	Documentation/devicetree/bindings/pci/xgene-pci-msi.txt
F:	drivers/pci/host/pci-xgene-msi.c

PCIE DRIVER FOR HISILICON
M:	Zhou Wang <wangzhou1@hisilicon.com>
L:	linux-pci@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/pci/hisilicon-pcie.txt
F:	drivers/pci/host/pcie-hisi.c

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PCMCIA SUBSYSTEM
P:	Linux PCMCIA Team
L:	linux-pcmcia@lists.infradead.org
W:	http://lists.infradead.org/mailman/listinfo/linux-pcmcia
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/brodo/pcmcia-2.6.git
F:	Documentation/pcmcia/
F:	drivers/pcmcia/
F:	include/pcmcia/
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PCNET32 NETWORK DRIVER
M:	Don Fry <pcnet32@frontier.com>
L:	netdev@vger.kernel.org
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S:	Maintained
F:	drivers/net/ethernet/amd/pcnet32.c
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PCRYPT PARALLEL CRYPTO ENGINE
M:	Steffen Klassert <steffen.klassert@secunet.com>
L:	linux-crypto@vger.kernel.org
S:	Maintained
F:	crypto/pcrypt.c
F:	include/crypto/pcrypt.h

PER-CPU MEMORY ALLOCATOR
M:	Tejun Heo <tj@kernel.org>
M:	Christoph Lameter <cl@linux-foundation.org>
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu.git
S:	Maintained
F:	include/linux/percpu*.h
F:	mm/percpu*.c
F:	arch/*/include/asm/percpu.h

M:	Balbir Singh <bsingharora@gmail.com>
F:	include/linux/delayacct.h
F:	kernel/delayacct.c
PERFORMANCE EVENTS SUBSYSTEM
M:	Peter Zijlstra <peterz@infradead.org>
M:	Ingo Molnar <mingo@redhat.com>
M:	Arnaldo Carvalho de Melo <acme@kernel.org>
L:	linux-kernel@vger.kernel.org
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git perf/core
S:	Supported
F:	include/linux/perf_event.h
F:	include/uapi/linux/perf_event.h
F:	arch/*/kernel/perf_event*.c
F:	arch/*/kernel/*/perf_event*.c
F:	arch/*/kernel/*/*/perf_event*.c
F:	arch/*/include/asm/perf_event.h
F:	arch/*/kernel/perf_callchain.c
F:	tools/perf/
PERSONALITY HANDLING
M:	Christoph Hellwig <hch@infradead.org>
L:	linux-abi-devel@lists.sourceforge.net
S:	Maintained
F:	include/linux/personality.h
F:	include/uapi/linux/personality.h
M:	Remi Denis-Courmont <courmisch@gmail.com>
S:	Supported
F:	Documentation/networking/phonet.txt
F:	include/linux/phonet.h
F:	include/net/phonet/
F:	include/uapi/linux/phonet.h
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PHRAM MTD DRIVER
M:	Joern Engel <joern@lazybastard.org>
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L:	linux-mtd@lists.infradead.org
S:	Maintained
F:	drivers/mtd/devices/phram.c
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PICOLCD HID DRIVER
M:	Bruno Prémont <bonbons@linux-vserver.org>
L:	linux-input@vger.kernel.org
S:	Maintained
F:	drivers/hid/hid-picolcd*

PICOXCELL SUPPORT
M:	Jamie Iles <jamie@jamieiles.com>
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
T:	git git://github.com/jamieiles/linux-2.6-ji.git
S:	Supported
F:	arch/arm/boot/dts/picoxcell*
F:	arch/arm/mach-picoxcell/
F:	drivers/crypto/picoxcell*
PIN CONTROL SUBSYSTEM
M:	Linus Walleij <linus.walleij@linaro.org>
L:	linux-gpio@vger.kernel.org
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git
S:	Maintained
F:	drivers/pinctrl/
F:	include/linux/pinctrl/
PIN CONTROLLER - ATMEL AT91
M:	Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
S:	Maintained
F:	drivers/pinctrl/pinctrl-at91.*
PIN CONTROLLER - ATMEL AT91 PIO4
M:	Ludovic Desroches <ludovic.desroches@atmel.com>
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L:	linux-gpio@vger.kernel.org
S:	Supported
F:	drivers/pinctrl/pinctrl-at91-pio4.*

PIN CONTROLLER - INTEL
M:	Mika Westerberg <mika.westerberg@linux.intel.com>
M:	Heikki Krogerus <heikki.krogerus@linux.intel.com>
S:	Maintained
F:	drivers/pinctrl/intel/
PIN CONTROLLER - RENESAS
M:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
M:	Geert Uytterhoeven <geert+renesas@glider.be>
L:	linux-renesas-soc@vger.kernel.org
S:	Maintained
F:	drivers/pinctrl/sh-pfc/

PIN CONTROLLER - SAMSUNG
M:	Tomasz Figa <tomasz.figa@gmail.com>
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/samsung/
PIN CONTROLLER - SINGLE
M:	Tony Lindgren <tony@atomide.com>
M:	Haojian Zhuang <haojian.zhuang@linaro.org>
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
L:	linux-omap@vger.kernel.org
S:	Maintained
F:	drivers/pinctrl/pinctrl-single.c

PIN CONTROLLER - ST SPEAR
M:	Viresh Kumar <vireshk@kernel.org>
L:	spear-devel@list.st.com
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
W:	http://www.st.com/spear
S:	Maintained
F:	drivers/pinctrl/spear/
PKTCDVD DRIVER
M:	Jiri Kosina <jikos@kernel.org>
S:	Maintained
F:	drivers/block/pktcdvd.c
F:	include/linux/pktcdvd.h
F:	include/uapi/linux/pktcdvd.h
PKUNITY SOC DRIVERS
M:	Guan Xuetao <gxt@mprc.pku.edu.cn>
W:	http://mprc.pku.edu.cn/~guanxuetao/linux
S:	Maintained
T:	git git://github.com/gxt/linux.git
F:	drivers/input/serio/i8042-unicore32io.h
F:	drivers/video/fbdev/fb-puv3.c
F:	drivers/rtc/rtc-puv3.c
PMBUS HARDWARE MONITORING DRIVERS
M:	Guenter Roeck <linux@roeck-us.net>
L:	lm-sensors@lm-sensors.org
W:	http://www.lm-sensors.org/
W:	http://www.roeck-us.net/linux/drivers/
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging.git
S:	Maintained
F:	Documentation/hwmon/pmbus
F:	drivers/hwmon/pmbus/
F:	include/linux/i2c/pmbus.h

PMC SIERRA MaxRAID DRIVER
L:	linux-scsi@vger.kernel.org
W:	http://www.pmc-sierra.com/
PMC SIERRA PM8001 DRIVER
M:	Jack Wang <jinpu.wang@profitbricks.com>
M:	lindar_liu@usish.com
L:	pmchba@pmcs.com
L:	linux-scsi@vger.kernel.org
S:	Supported
F:	drivers/scsi/pm8001/

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POSIX CLOCKS and TIMERS
M:	Thomas Gleixner <tglx@linutronix.de>
L:	linux-kernel@vger.kernel.org
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers/core
F:	fs/timerfd.c
F:	include/linux/timer*
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POWER MANAGEMENT CORE
M:	"Rafael J. Wysocki" <rjw@rjwysocki.net>
L:	linux-pm@vger.kernel.org
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
S:	Supported
F:	drivers/base/power/
F:	include/linux/pm.h
F:	include/linux/pm_*
F:	include/linux/powercap.h
F:	drivers/powercap/

POWER SUPPLY CLASS/SUBSYSTEM and DRIVERS
M:	Sebastian Reichel <sre@kernel.org>
M:	Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
M:	David Woodhouse <dwmw2@infradead.org>
L:	linux-pm@vger.kernel.org
T:	git git://git.infradead.org/battery-2.6.git
F:	include/linux/power_supply.h
POWER STATE COORDINATION INTERFACE (PSCI)
M:	Mark Rutland <mark.rutland@arm.com>
M:	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
L:	linux-arm-kernel@lists.infradead.org
S:	Maintained
F:	drivers/firmware/psci.c
F:	include/linux/psci.h
F:	include/uapi/linux/psci.h

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PNP SUPPORT
M:	"Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
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S:	Maintained
F:	drivers/pnp/
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PPP PROTOCOL DRIVERS AND COMPRESSORS
M:	Paul Mackerras <paulus@samba.org>
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L:	linux-ppp@vger.kernel.org
S:	Maintained
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F:	drivers/net/ppp/ppp_*
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PPP OVER ATM (RFC 2364)
M:	Mitchell Blank Jr <mitch@sfgoth.com>
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S:	Maintained
F:	net/atm/pppoatm.c
F:	include/uapi/linux/atmppp.h
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PPP OVER ETHERNET
M:	Michal Ostrowski <mostrows@earthlink.net>
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S:	Maintained
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F:	drivers/net/ppp/pppoe.c
F:	drivers/net/ppp/pppox.c
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PPP OVER L2TP
M:	James Chapman <jchapman@katalix.com>
S:	Maintained
F:	net/l2tp/l2tp_ppp.c
F:	include/linux/if_pppol2tp.h
F:	include/uapi/linux/if_pppol2tp.h
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PPS SUPPORT
M:	Rodolfo Giometti <giometti@enneenne.com>
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W:	http://wiki.enneenne.com/index.php/LinuxPPS_support
L:	linuxpps@ml.enneenne.com (subscribers-only)
S:	Maintained
F:	Documentation/pps/
F:	drivers/pps/
F:	include/linux/pps*.h
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PPTP DRIVER
M:	Dmitry Kozlov <xeb@mail.ru>
L:	netdev@vger.kernel.org
S:	Maintained
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F:	drivers/net/ppp/pptp.c
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W:	http://sourceforge.net/projects/accel-pptp

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PREEMPTIBLE KERNEL
M:	Robert Love <rml@tech9.net>
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L:	kpreempt-tech@lists.sourceforge.net
W:	ftp://ftp.kernel.org/pub/linux/kernel/people/rml/preempt-kernel
S:	Supported
F:	Documentation/preempt-locking.txt
F:	include/linux/preempt.h
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PRISM54 WIRELESS DRIVER
M:	"Luis R. Rodriguez" <mcgrof@gmail.com>
L:	linux-wireless@vger.kernel.org
W:	http://wireless.kernel.org/en/users/Drivers/p54
F:	drivers/net/wireless/intersil/prism54/
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PS3 NETWORK SUPPORT
M:	Geoff Levand <geoff@infradead.org>
L:	netdev@vger.kernel.org
L:	linuxppc-dev@lists.ozlabs.org
S:	Maintained
F:	drivers/net/ethernet/toshiba/ps3_gelic_net.*
PS3 PLATFORM SUPPORT
M:	Geoff Levand <geoff@infradead.org>
L:	linuxppc-dev@lists.ozlabs.org
S:	Maintained
F:	arch/powerpc/boot/ps3*
F:	arch/powerpc/include/asm/lv1call.h
F:	arch/powerpc/include/asm/ps3*.h
F:	arch/powerpc/platforms/ps3/
F:	drivers/*/ps3*
F:	drivers/ps3/
F:	drivers/rtc/rtc-ps3.c
F:	drivers/usb/host/*ps3.c
F:	sound/ppc/snd_ps3*
M:	Jim Paris <jim@jtan.com>
M:	Geoff Levand <geoff@infradead.org>
L:	linuxppc-dev@lists.ozlabs.org
F:	drivers/block/ps3vram.c
PSTORE FILESYSTEM
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>
S:	Maintained
T:	git git://git.infradead.org/users/cbou/linux-pstore.git
F:	fs/pstore/
F:	include/linux/pstore*
F:	drivers/firmware/efi/efi-pstore.c
F:	drivers/acpi/apei/erst.c

PTP HARDWARE CLOCK SUPPORT
M:	Richard Cochran <richardcochran@gmail.com>
L:	netdev@vger.kernel.org
S:	Maintained
W:	http://linuxptp.sourceforge.net/
F:	Documentation/ABI/testing/sysfs-ptp
F:	Documentation/ptp/*
F:	drivers/net/ethernet/freescale/gianfar_ptp.c
F:	drivers/net/phy/dp83640*
F:	drivers/ptp/*
F:	include/linux/ptp_cl*

PTRACE SUPPORT
M:	Roland McGrath <roland@hack.frob.com>
M:	Oleg Nesterov <oleg@redhat.com>
S:	Maintained
F:	include/asm-generic/syscall.h
F:	include/linux/ptrace.h
F:	include/linux/regset.h
F:	include/linux/tracehook.h
F:	include/uapi/linux/ptrace.h
F:	kernel/ptrace.c

PVRUSB2 VIDEO4LINUX DRIVER
M:	Mike Isely <isely@pobox.com>
L:	pvrusb2@isely.net	(subscribers-only)
W:	http://www.isely.net/pvrusb2/
T:	git git://linuxtv.org/media_tree.git
F:	Documentation/video4linux/README.pvrusb2
PWC WEBCAM DRIVER
M:	Hans de Goede <hdegoede@redhat.com>
L:	linux-media@vger.kernel.org
T:	git git://linuxtv.org/media_tree.git
S:	Maintained
F:	drivers/media/usb/pwc/*

PWM FAN DRIVER
M:	Kamil Debski <k.debski@samsung.com>
L:	lm-sensors@lm-sensors.org
S:	Supported
F:	Documentation/devicetree/bindings/hwmon/pwm-fan.txt
F:	Documentation/hwmon/pwm-fan
F:	drivers/hwmon/pwm-fan.c

M:	Thierry Reding <thierry.reding@gmail.com>
L:	linux-pwm@vger.kernel.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm.git
F:	Documentation/pwm.txt
F:	Documentation/devicetree/bindings/pwm/
F:	include/linux/pwm.h
F:	drivers/pwm/
F:	drivers/video/backlight/pwm_bl.c
F:	include/linux/pwm_backlight.h
PXA2xx/PXA3xx SUPPORT
M:	Daniel Mack <daniel@zonque.org>
M:	Haojian Zhuang <haojian.zhuang@gmail.com>
M:	Robert Jarzmik <robert.jarzmik@free.fr>
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
T:	git git://github.com/hzhuang1/linux.git
T:	git git://github.com/rjarzmik/linux.git
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S:	Maintained
F:	arch/arm/mach-pxa/
F:	drivers/pcmcia/pxa2xx*
F:	drivers/pinctrl/pxa/
F:	drivers/spi/spi-pxa2xx*
F:	drivers/usb/gadget/udc/pxa2*
F:	include/sound/pxa2xx-lib.h
F:	sound/arm/pxa*
F:	sound/soc/pxa/
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PXA GPIO DRIVER
M:	Robert Jarzmik <robert.jarzmik@free.fr>
L:	linux-gpio@vger.kernel.org
S:	Maintained
F:	drivers/gpio/gpio-pxa.c

PXA3xx NAND FLASH DRIVER
M:	Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
L:	linux-mtd@lists.infradead.org
S:	Maintained
F:	drivers/mtd/nand/pxa3xx_nand.c
MMP SUPPORT
M:	Eric Miao <eric.y.miao@gmail.com>
M:	Haojian Zhuang <haojian.zhuang@gmail.com>
L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
T:	git git://github.com/hzhuang1/linux.git
T:	git git://git.linaro.org/people/ycmiao/pxa-linux.git
F:	arch/arm/mach-mmp/
PXA MMCI DRIVER
S:	Orphan

M:	Robert Jarzmik <robert.jarzmik@free.fr>
L:	rtc-linux@googlegroups.com
S:	Maintained

QAT DRIVER
M:	Tadeusz Struk <tadeusz.struk@intel.com>
L:	qat-linux@intel.com
S:	Supported
F:	drivers/crypto/qat/
M:	Mike Marciniszyn <infinipath@intel.com>
L:	linux-rdma@vger.kernel.org
S:	Supported
F:	drivers/infiniband/hw/qib/

QLOGIC QLA1280 SCSI DRIVER
M:	Michael Reed <mdr@sgi.com>
L:	linux-scsi@vger.kernel.org
S:	Maintained
F:	drivers/scsi/qla1280.[ch]

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QLOGIC QLA2XXX FC-SCSI DRIVER
M:	qla2xxx-upstream@qlogic.com
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L:	linux-scsi@vger.kernel.org
S:	Supported
F:	Documentation/scsi/LICENSE.qla2xxx
F:	drivers/scsi/qla2xxx/
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QLOGIC QLA4XXX iSCSI DRIVER
M:	QLogic-Storage-Upstream@qlogic.com
L:	linux-scsi@vger.kernel.org
S:	Supported
F:	Documentation/scsi/LICENSE.qla4xxx
F:	drivers/scsi/qla4xxx/

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QLOGIC QLA3XXX NETWORK DRIVER
M:	Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
M:	Ron Mercer <ron.mercer@qlogic.com>
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M:	linux-driver@qlogic.com
L:	netdev@vger.kernel.org
S:	Supported
F:	Documentation/networking/LICENSE.qla3xxx
F:	drivers/net/ethernet/qlogic/qla3xxx.*
QLOGIC QLCNIC (1/10)Gb ETHERNET DRIVER
M:	Dept-GELinuxNICDev@qlogic.com
L:	netdev@vger.kernel.org
S:	Supported
F:	drivers/net/ethernet/qlogic/qlcnic/
QLOGIC QLGE 10Gb ETHERNET DRIVER
M:	Harish Patil <harish.patil@qlogic.com>
M:	Sudarsana Kalluru <sudarsana.kalluru@qlogic.com>
M:	Dept-GELinuxNICDev@qlogic.com
L:	netdev@vger.kernel.org
S:	Supported
F:	drivers/net/ethernet/qlogic/qlge/
QLOGIC QL4xxx ETHERNET DRIVER
M:	Yuval Mintz <Yuval.Mintz@qlogic.com>
M:	Ariel Elior <Ariel.Elior@qlogic.com>
M:	everest-linux-l2@qlogic.com
L:	netdev@vger.kernel.org
S:	Supported
F:	drivers/net/ethernet/qlogic/qed/
F:	include/linux/qed/
F:	drivers/net/ethernet/qlogic/qede/

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QNX4 FILESYSTEM
M:	Anders Larsen <al@alarsen.net>
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W:	http://www.alarsen.net/linux/qnx4fs/
S:	Maintained
F:	include/uapi/linux/qnx4_fs.h
F:	include/uapi/linux/qnxtypes.h
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QT1010 MEDIA DRIVER
M:	Antti Palosaari <crope@iki.fi>
L:	linux-media@vger.kernel.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/media/tuners/qt1010*

QUALCOMM ATHEROS ATH9K WIRELESS DRIVER
M:	QCA ath9k Development <ath9k-devel@qca.qualcomm.com>
L:	linux-wireless@vger.kernel.org
L:	ath9k-devel@lists.ath9k.org
W:	http://wireless.kernel.org/en/users/Drivers/ath9k
S:	Supported
F:	drivers/net/wireless/ath/ath9k/

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QUALCOMM ATHEROS ATH10K WIRELESS DRIVER
M:	Kalle Valo <kvalo@qca.qualcomm.com>
L:	ath10k@lists.infradead.org
W:	http://wireless.kernel.org/en/users/Drivers/ath10k
T:	git git://github.com/kvalo/ath.git
S:	Supported
F:	drivers/net/wireless/ath/ath10k/

QUALCOMM HEXAGON ARCHITECTURE
M:	Richard Kuo <rkuo@codeaurora.org>
L:	linux-hexagon@vger.kernel.org
S:	Supported
F:	arch/hexagon/

QUALCOMM WCN36XX WIRELESS DRIVER
M:	Eugene Krasnikov <k.eugene.e@gmail.com>
L:	wcn36xx@lists.infradead.org
W:	http://wireless.kernel.org/en/users/Drivers/wcn36xx
T:	git git://github.com/KrasnikovEugene/wcn36xx.git
S:	Supported
F:	drivers/net/wireless/ath/wcn36xx/

M:	Ilya Dryomov <idryomov@gmail.com>
M:	Sage Weil <sage@redhat.com>
M:	Alex Elder <elder@kernel.org>
L:	ceph-devel@vger.kernel.org
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W:	http://ceph.com/
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client.git
T:	git git://github.com/ceph/ceph-client.git
F:	Documentation/ABI/testing/sysfs-bus-rbd
F:	drivers/block/rbd.c
F:	drivers/block/rbd_types.h

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RADEON FRAMEBUFFER DISPLAY DRIVER
M:	Benjamin Herrenschmidt <benh@kernel.crashing.org>
L:	linux-fbdev@vger.kernel.org
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S:	Maintained
F:	drivers/video/fbdev/aty/radeon*
F:	include/uapi/linux/radeonfb.h
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RADIOSHARK RADIO DRIVER
M:	Hans de Goede <hdegoede@redhat.com>
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>
L:	linux-media@vger.kernel.org
T:	git git://linuxtv.org/media_tree.git
S:	Maintained
F:	drivers/media/radio/radio-shark2.c
F:	drivers/media/radio/radio-tea5777.c

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RAGE128 FRAMEBUFFER DISPLAY DRIVER
M:	Paul Mackerras <paulus@samba.org>
L:	linux-fbdev@vger.kernel.org
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S:	Maintained
F:	drivers/video/fbdev/aty/aty128fb.c
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RALINK RT2X00 WIRELESS LAN DRIVER
M:	Stanislaw Gruszka <sgruszka@redhat.com>
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M:	Helmut Schaa <helmut.schaa@googlemail.com>
L:	linux-wireless@vger.kernel.org
S:	Maintained
F:	drivers/net/wireless/ralink/rt2x00/
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RAMDISK RAM BLOCK DEVICE DRIVER
M:	Jens Axboe <axboe@kernel.dk>
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S:	Maintained
F:	Documentation/blockdev/ramdisk.txt
F:	drivers/block/brd.c
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RANDOM NUMBER DRIVER
M:	"Theodore Ts'o" <tytso@mit.edu>
F:	drivers/char/random.c
RAPIDIO SUBSYSTEM
M:	Matt Porter <mporter@kernel.crashing.org>
M:	Alexandre Bounine <alexandre.bounine@idt.com>
S:	Maintained
F:	drivers/rapidio/
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RAYLINK/WEBGEAR 802.11 WIRELESS LAN DRIVER
L:	linux-wireless@vger.kernel.org
F:	drivers/net/wireless/ray*
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RCUTORTURE MODULE
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M:	Josh Triplett <josh@joshtriplett.org>
M:	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
L:	linux-kernel@vger.kernel.org
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
F:	Documentation/RCU/torture.txt
F:	kernel/rcu/rcutorture.c
RCUTORTURE TEST FRAMEWORK
M:	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
M:	Josh Triplett <josh@joshtriplett.org>
R:	Steven Rostedt <rostedt@goodmis.org>
R:	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
R:	Lai Jiangshan <jiangshanlai@gmail.com>
L:	linux-kernel@vger.kernel.org
S:	Supported
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
F:	tools/testing/selftests/rcutorture

M:	Florian Fainelli <florian@openwrt.org>
RDC R6040 FAST ETHERNET DRIVER
M:	Florian Fainelli <florian@openwrt.org>
L:	netdev@vger.kernel.org
S:	Maintained
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F:	drivers/net/ethernet/rdc/r6040.c
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RDS - RELIABLE DATAGRAM SOCKETS
M:	Chien Yen <chien.yen@oracle.com>
L:	rds-devel@oss.oracle.com (moderated for non-subscribers)
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S:	Supported
F:	net/rds/
READ-COPY UPDATE (RCU)
M:	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
M:	Josh Triplett <josh@joshtriplett.org>
R:	Steven Rostedt <rostedt@goodmis.org>
R:	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
R:	Lai Jiangshan <jiangshanlai@gmail.com>
L:	linux-kernel@vger.kernel.org
W:	http://www.rdrop.com/users/paulmck/RCU/
S:	Supported
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git
F:	Documentation/RCU/
X:	Documentation/RCU/torture.txt
F:	include/linux/rcu*
X:	include/linux/srcu.h
F:	kernel/rcu/
REAL TIME CLOCK (RTC) SUBSYSTEM
M:	Alessandro Zummo <a.zummo@towertech.it>
M:	Alexandre Belloni <alexandre.belloni@free-electrons.com>
L:	rtc-linux@googlegroups.com
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