MAINTAINERS

F:	drivers/net/wan/lapbether.c
F:	include/*/lapb.h
F:	include/net/x25*
F:	include/uapi/linux/x25.h
F:	net/lapb/
F:	net/x25/

X86 ARCHITECTURE (32-BIT AND 64-BIT)
M:	Thomas Gleixner <tglx@linutronix.de>
M:	Ingo Molnar <mingo@redhat.com>
M:	Borislav Petkov <bp@alien8.de>
M:	Dave Hansen <dave.hansen@linux.intel.com>
M:	x86@kernel.org
R:	"H. Peter Anvin" <hpa@zytor.com>
L:	linux-kernel@vger.kernel.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/core
F:	Documentation/devicetree/bindings/x86/
F:	Documentation/x86/
F:	arch/x86/

X86 ENTRY CODE
M:	Andy Lutomirski <luto@kernel.org>
L:	linux-kernel@vger.kernel.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/asm
F:	arch/x86/entry/

X86 MCE INFRASTRUCTURE
M:	Tony Luck <tony.luck@intel.com>
M:	Borislav Petkov <bp@alien8.de>
L:	linux-edac@vger.kernel.org
S:	Maintained
F:	Documentation/ABI/testing/sysfs-mce
F:	Documentation/x86/x86_64/machinecheck.rst
F:	arch/x86/kernel/cpu/mce/*

X86 MICROCODE UPDATE SUPPORT
M:	Borislav Petkov <bp@alien8.de>
S:	Maintained
F:	arch/x86/kernel/cpu/microcode/*

X86 MM
M:	Dave Hansen <dave.hansen@linux.intel.com>
M:	Andy Lutomirski <luto@kernel.org>
M:	Peter Zijlstra <peterz@infradead.org>
L:	linux-kernel@vger.kernel.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/mm
F:	arch/x86/mm/

X86 PLATFORM ANDROID TABLETS DSDT FIXUP DRIVER
M:	Hans de Goede <hdegoede@redhat.com>
L:	platform-driver-x86@vger.kernel.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git
F:	drivers/platform/x86/x86-android-tablets.c

X86 PLATFORM DRIVERS
M:	Hans de Goede <hdegoede@redhat.com>
M:	Mark Gross <markgross@kernel.org>
L:	platform-driver-x86@vger.kernel.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git
F:	drivers/platform/olpc/
F:	drivers/platform/x86/

X86 PLATFORM DRIVERS - ARCH
R:	Darren Hart <dvhart@infradead.org>
R:	Andy Shevchenko <andy@infradead.org>
L:	platform-driver-x86@vger.kernel.org
L:	x86@kernel.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/core
F:	arch/x86/platform

X86 PLATFORM UV HPE SUPERDOME FLEX
M:	Steve Wahl <steve.wahl@hpe.com>
R:	Mike Travis <mike.travis@hpe.com>
R:	Dimitri Sivanich <dimitri.sivanich@hpe.com>
R:	Russ Anderson <russ.anderson@hpe.com>
S:	Supported
F:	arch/x86/include/asm/uv/
F:	arch/x86/kernel/apic/x2apic_uv_x.c
F:	arch/x86/platform/uv/

X86 STACK UNWINDING
M:	Josh Poimboeuf <jpoimboe@kernel.org>
M:	Peter Zijlstra <peterz@infradead.org>
S:	Supported
F:	arch/x86/include/asm/unwind*.h
F:	arch/x86/kernel/dumpstack.c
F:	arch/x86/kernel/stacktrace.c
F:	arch/x86/kernel/unwind_*.c

X86 VDSO
M:	Andy Lutomirski <luto@kernel.org>
L:	linux-kernel@vger.kernel.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/vdso
F:	arch/x86/entry/vdso/

XARRAY
M:	Matthew Wilcox <willy@infradead.org>
L:	linux-fsdevel@vger.kernel.org
S:	Supported
F:	Documentation/core-api/xarray.rst
F:	include/linux/idr.h
F:	include/linux/xarray.h
F:	lib/idr.c
F:	lib/xarray.c
F:	tools/testing/radix-tree

XBOX DVD IR REMOTE
M:	Benjamin Valentin <benpicco@googlemail.com>
S:	Maintained
F:	drivers/media/rc/keymaps/rc-xbox-dvd.c
F:	drivers/media/rc/xbox_remote.c

XC2028/3028 TUNER DRIVER
M:	Mauro Carvalho Chehab <mchehab@kernel.org>
L:	linux-media@vger.kernel.org
S:	Maintained
W:	https://linuxtv.org
T:	git git://linuxtv.org/media_tree.git
F:	drivers/media/tuners/xc2028.*

XDP (eXpress Data Path)
M:	Alexei Starovoitov <ast@kernel.org>
M:	Daniel Borkmann <daniel@iogearbox.net>
M:	David S. Miller <davem@davemloft.net>
M:	Jakub Kicinski <kuba@kernel.org>
M:	Jesper Dangaard Brouer <hawk@kernel.org>
M:	John Fastabend <john.fastabend@gmail.com>
L:	netdev@vger.kernel.org
L:	bpf@vger.kernel.org
S:	Supported
F:	include/net/xdp.h
F:	include/net/xdp_priv.h
F:	include/trace/events/xdp.h
F:	kernel/bpf/cpumap.c
F:	kernel/bpf/devmap.c
F:	net/core/xdp.c
F:	samples/bpf/xdp*
F:	tools/testing/selftests/bpf/*xdp*
F:	tools/testing/selftests/bpf/*/*xdp*
F:	drivers/net/ethernet/*/*/*/*/*xdp*
F:	drivers/net/ethernet/*/*/*xdp*
K:	(?:\b|_)xdp(?:\b|_)

XDP SOCKETS (AF_XDP)
M:	Björn Töpel <bjorn@kernel.org>
M:	Magnus Karlsson <magnus.karlsson@intel.com>
M:	Maciej Fijalkowski <maciej.fijalkowski@intel.com>
R:	Jonathan Lemon <jonathan.lemon@gmail.com>
L:	netdev@vger.kernel.org
L:	bpf@vger.kernel.org
S:	Maintained
F:	Documentation/networking/af_xdp.rst
F:	include/net/xdp_sock*
F:	include/net/xsk_buff_pool.h
F:	include/uapi/linux/if_xdp.h
F:	include/uapi/linux/xdp_diag.h
F:	include/net/netns/xdp.h
F:	net/xdp/
F:	tools/testing/selftests/bpf/*xsk*

XEN BLOCK SUBSYSTEM
M:	Roger Pau Monné <roger.pau@citrix.com>
L:	xen-devel@lists.xenproject.org (moderated for non-subscribers)
S:	Supported
F:	drivers/block/xen*
F:	drivers/block/xen-blkback/*

XEN HYPERVISOR ARM
M:	Stefano Stabellini <sstabellini@kernel.org>
L:	xen-devel@lists.xenproject.org (moderated for non-subscribers)
S:	Maintained
F:	arch/arm/include/asm/xen/
F:	arch/arm/xen/

XEN HYPERVISOR ARM64
M:	Stefano Stabellini <sstabellini@kernel.org>
L:	xen-devel@lists.xenproject.org (moderated for non-subscribers)
S:	Maintained
F:	arch/arm64/include/asm/xen/
F:	arch/arm64/xen/

XEN HYPERVISOR INTERFACE
M:	Juergen Gross <jgross@suse.com>
M:	Stefano Stabellini <sstabellini@kernel.org>
R:	Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
L:	xen-devel@lists.xenproject.org (moderated for non-subscribers)
S:	Supported
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git
F:	Documentation/ABI/stable/sysfs-hypervisor-xen
F:	Documentation/ABI/testing/sysfs-hypervisor-xen
F:	drivers/*/xen-*front.c
F:	drivers/xen/
F:	include/uapi/xen/
F:	include/xen/
F:	kernel/configs/xen.config

XEN HYPERVISOR X86
M:	Juergen Gross <jgross@suse.com>
R:	Boris Ostrovsky <boris.ostrovsky@oracle.com>
L:	xen-devel@lists.xenproject.org (moderated for non-subscribers)
S:	Supported
F:	arch/x86/configs/xen.config
F:	arch/x86/include/asm/pvclock-abi.h
F:	arch/x86/include/asm/xen/
F:	arch/x86/platform/pvh/
F:	arch/x86/xen/

XEN NETWORK BACKEND DRIVER
M:	Wei Liu <wei.liu@kernel.org>
M:	Paul Durrant <paul@xen.org>
L:	xen-devel@lists.xenproject.org (moderated for non-subscribers)
L:	netdev@vger.kernel.org
S:	Supported
F:	drivers/net/xen-netback/*

XEN PCI SUBSYSTEM
M:	Juergen Gross <jgross@suse.com>
L:	xen-devel@lists.xenproject.org (moderated for non-subscribers)
S:	Supported
F:	arch/x86/pci/*xen*
F:	drivers/pci/*xen*

XEN PVSCSI DRIVERS
M:	Juergen Gross <jgross@suse.com>
L:	xen-devel@lists.xenproject.org (moderated for non-subscribers)
L:	linux-scsi@vger.kernel.org
S:	Supported
F:	drivers/scsi/xen-scsifront.c
F:	drivers/xen/xen-scsiback.c
F:	include/xen/interface/io/vscsiif.h

XEN PVUSB DRIVER
M:	Juergen Gross <jgross@suse.com>
L:	xen-devel@lists.xenproject.org (moderated for non-subscribers)
L:	linux-usb@vger.kernel.org
S:	Supported
F:	drivers/usb/host/xen*
F:	include/xen/interface/io/usbif.h

XEN SOUND FRONTEND DRIVER
M:	Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
L:	xen-devel@lists.xenproject.org (moderated for non-subscribers)
L:	alsa-devel@alsa-project.org (moderated for non-subscribers)
S:	Supported
F:	sound/xen/*

XEN SWIOTLB SUBSYSTEM
M:	Juergen Gross <jgross@suse.com>
M:	Stefano Stabellini <sstabellini@kernel.org>
L:	xen-devel@lists.xenproject.org (moderated for non-subscribers)
L:	iommu@lists.linux.dev
S:	Supported
F:	arch/x86/xen/*swiotlb*
F:	drivers/xen/*swiotlb*

XFS FILESYSTEM
C:	irc://irc.oftc.net/xfs
M:	Darrick J. Wong <djwong@kernel.org>
L:	linux-xfs@vger.kernel.org
S:	Supported
W:	http://xfs.org/
T:	git git://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git
F:	Documentation/ABI/testing/sysfs-fs-xfs
F:	Documentation/admin-guide/xfs.rst
F:	Documentation/filesystems/xfs-delayed-logging-design.rst
F:	Documentation/filesystems/xfs-self-describing-metadata.rst
F:	fs/xfs/
F:	include/uapi/linux/dqblk_xfs.h
F:	include/uapi/linux/fsmap.h

XILINX AMS DRIVER
M:	Anand Ashok Dumbre <anand.ashok.dumbre@xilinx.com>
L:	linux-iio@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/iio/adc/xlnx,zynqmp-ams.yaml
F:	drivers/iio/adc/xilinx-ams.c

XILINX AXI ETHERNET DRIVER
M:	Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
S:	Maintained
F:	drivers/net/ethernet/xilinx/xilinx_axienet*

XILINX CAN DRIVER
M:	Appana Durga Kedareswara rao <appana.durga.rao@xilinx.com>
R:	Naga Sureshkumar Relli <naga.sureshkumar.relli@xilinx.com>
L:	linux-can@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/net/can/xilinx,can.yaml
F:	drivers/net/can/xilinx_can.c

XILINX GPIO DRIVER
M:	Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
R:	Srinivas Neeli <srinivas.neeli@xilinx.com>
R:	Michal Simek <michal.simek@xilinx.com>
S:	Maintained
F:	Documentation/devicetree/bindings/gpio/gpio-xilinx.txt
F:	Documentation/devicetree/bindings/gpio/gpio-zynq.yaml
F:	drivers/gpio/gpio-xilinx.c
F:	drivers/gpio/gpio-zynq.c

XILINX SD-FEC IP CORES
M:	Derek Kiernan <derek.kiernan@xilinx.com>
M:	Dragan Cvetic <dragan.cvetic@xilinx.com>
S:	Maintained
F:	Documentation/devicetree/bindings/misc/xlnx,sd-fec.txt
F:	Documentation/misc-devices/xilinx_sdfec.rst
F:	drivers/misc/Kconfig
F:	drivers/misc/Makefile
F:	drivers/misc/xilinx_sdfec.c
F:	include/uapi/misc/xilinx_sdfec.h

XILINX PWM DRIVER
M:	Sean Anderson <sean.anderson@seco.com>
S:	Maintained
F:	drivers/pwm/pwm-xilinx.c
F:	include/clocksource/timer-xilinx.h

XILINX UARTLITE SERIAL DRIVER
M:	Peter Korsgaard <jacmet@sunsite.dk>
L:	linux-serial@vger.kernel.org
S:	Maintained
F:	drivers/tty/serial/uartlite.c

XILINX VIDEO IP CORES
M:	Hyun Kwon <hyun.kwon@xilinx.com>
M:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
L:	linux-media@vger.kernel.org
S:	Supported
T:	git git://linuxtv.org/media_tree.git
F:	Documentation/devicetree/bindings/media/xilinx/
F:	drivers/media/platform/xilinx/
F:	include/uapi/linux/xilinx-v4l2-controls.h

XILINX ZYNQMP DPDMA DRIVER
M:	Hyun Kwon <hyun.kwon@xilinx.com>
M:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
L:	dmaengine@vger.kernel.org
S:	Supported
F:	Documentation/devicetree/bindings/dma/xilinx/xlnx,zynqmp-dpdma.yaml
F:	drivers/dma/xilinx/xilinx_dpdma.c
F:	include/dt-bindings/dma/xlnx-zynqmp-dpdma.h

XILINX ZYNQMP PSGTR PHY DRIVER
M:	Anurag Kumar Vulisha <anurag.kumar.vulisha@xilinx.com>
M:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
L:	linux-kernel@vger.kernel.org
S:	Supported
T:	git https://github.com/Xilinx/linux-xlnx.git
F:	Documentation/devicetree/bindings/phy/xlnx,zynqmp-psgtr.yaml
F:	drivers/phy/xilinx/phy-zynqmp.c

XILINX ZYNQMP SHA3 DRIVER
M:	Harsha <harsha.harsha@xilinx.com>
S:	Maintained
F:	drivers/crypto/xilinx/zynqmp-sha.c

XILINX EVENT MANAGEMENT DRIVER
M:	Abhyuday Godhasara <abhyuday.godhasara@xilinx.com>
S:	Maintained
F:	drivers/soc/xilinx/xlnx_event_manager.c
F:	include/linux/firmware/xlnx-event-manager.h

XILLYBUS DRIVER
M:	Eli Billauer <eli.billauer@gmail.com>
L:	linux-kernel@vger.kernel.org
S:	Supported
F:	drivers/char/xillybus/

XLP9XX I2C DRIVER
M:	George Cherian <gcherian@marvell.com>
L:	linux-i2c@vger.kernel.org
S:	Supported
W:	http://www.marvell.com
F:	drivers/i2c/busses/i2c-xlp9xx.c

XRA1403 GPIO EXPANDER
M:	Nandor Han <nandor.han@ge.com>
M:	Semi Malinen <semi.malinen@ge.com>
L:	linux-gpio@vger.kernel.org
S:	Maintained
F:	Documentation/devicetree/bindings/gpio/gpio-xra1403.txt
F:	drivers/gpio/gpio-xra1403.c

XTENSA XTFPGA PLATFORM SUPPORT
M:	Max Filippov <jcmvbkbc@gmail.com>
L:	linux-xtensa@linux-xtensa.org
S:	Maintained
F:	drivers/spi/spi-xtensa-xtfpga.c
F:	sound/soc/xtensa/xtfpga-i2s.c

YAM DRIVER FOR AX.25
M:	Jean-Paul Roubelat <jpr@f6fbb.org>
L:	linux-hams@vger.kernel.org
S:	Maintained
F:	drivers/net/hamradio/yam*
F:	include/linux/yam.h

YAMA SECURITY MODULE
M:	Kees Cook <keescook@chromium.org>
S:	Supported
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/hardening
F:	Documentation/admin-guide/LSM/Yama.rst
F:	security/yama/

YEALINK PHONE DRIVER
M:	Henk Vergonet <Henk.Vergonet@gmail.com>
L:	usbb2k-api-dev@nongnu.org
S:	Maintained
F:	Documentation/input/devices/yealink.rst
F:	drivers/input/misc/yealink.*

Z8530 DRIVER FOR AX.25
M:	Joerg Reuter <jreuter@yaina.de>
L:	linux-hams@vger.kernel.org
S:	Maintained
W:	http://yaina.de/jreuter/
W:	http://www.qsl.net/dl1bke/
F:	Documentation/networking/device_drivers/hamradio/z8530drv.rst
F:	drivers/net/hamradio/*scc.c
F:	drivers/net/hamradio/z8530.h

ZBUD COMPRESSED PAGE ALLOCATOR
M:	Seth Jennings <sjenning@redhat.com>
M:	Dan Streetman <ddstreet@ieee.org>
L:	linux-mm@kvack.org
S:	Maintained
F:	mm/zbud.c

Z3FOLD COMPRESSED PAGE ALLOCATOR
M:	Vitaly Wool <vitaly.wool@konsulko.com>
R:	Miaohe Lin <linmiaohe@huawei.com>
L:	linux-mm@kvack.org
S:	Maintained
F:	mm/z3fold.c

ZD1211RW WIRELESS DRIVER
M:	Ulrich Kunitz <kune@deine-taler.de>
L:	linux-wireless@vger.kernel.org
L:	zd1211-devs@lists.sourceforge.net (subscribers-only)
S:	Maintained
W:	http://zd1211.ath.cx/wiki/DriverRewrite
F:	drivers/net/wireless/zydas/zd1211rw/

ZD1301 MEDIA DRIVER
M:	Antti Palosaari <crope@iki.fi>
L:	linux-media@vger.kernel.org
S:	Maintained
W:	https://linuxtv.org/
W:	http://palosaari.fi/linux/
Q:	https://patchwork.linuxtv.org/project/linux-media/list/
F:	drivers/media/usb/dvb-usb-v2/zd1301*

ZD1301_DEMOD MEDIA DRIVER
M:	Antti Palosaari <crope@iki.fi>
L:	linux-media@vger.kernel.org
S:	Maintained
W:	https://linuxtv.org/
W:	http://palosaari.fi/linux/
Q:	https://patchwork.linuxtv.org/project/linux-media/list/
F:	drivers/media/dvb-frontends/zd1301_demod*

ZHAOXIN PROCESSOR SUPPORT
M:	Tony W Wang-oc <TonyWWang-oc@zhaoxin.com>
L:	linux-kernel@vger.kernel.org
S:	Maintained
F:	arch/x86/kernel/cpu/zhaoxin.c

ZONEFS FILESYSTEM
M:	Damien Le Moal <damien.lemoal@opensource.wdc.com>
M:	Naohiro Aota <naohiro.aota@wdc.com>
R:	Johannes Thumshirn <jth@kernel.org>
L:	linux-fsdevel@vger.kernel.org
S:	Maintained
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs.git
F:	Documentation/filesystems/zonefs.rst
F:	fs/zonefs/

ZPOOL COMPRESSED PAGE STORAGE API
M:	Dan Streetman <ddstreet@ieee.org>
L:	linux-mm@kvack.org
S:	Maintained
F:	include/linux/zpool.h
F:	mm/zpool.c

ZR36067 VIDEO FOR LINUX DRIVER
M:	Corentin Labbe <clabbe@baylibre.com>
L:	mjpeg-users@lists.sourceforge.net
L:	linux-media@vger.kernel.org
S:	Maintained
W:	http://mjpeg.sourceforge.net/driver-zoran/
Q:	https://patchwork.linuxtv.org/project/linux-media/list/
F:	Documentation/driver-api/media/drivers/zoran.rst
F:	drivers/staging/media/zoran/

ZRAM COMPRESSED RAM BLOCK DEVICE DRVIER
M:	Minchan Kim <minchan@kernel.org>
M:	Nitin Gupta <ngupta@vflare.org>
R:	Sergey Senozhatsky <senozhatsky@chromium.org>
L:	linux-kernel@vger.kernel.org
S:	Maintained
F:	Documentation/admin-guide/blockdev/zram.rst
F:	drivers/block/zram/

ZS DECSTATION Z85C30 SERIAL DRIVER
M:	"Maciej W. Rozycki" <macro@orcam.me.uk>
S:	Maintained
F:	drivers/tty/serial/zs.*

ZSMALLOC COMPRESSED SLAB MEMORY ALLOCATOR
M:	Minchan Kim <minchan@kernel.org>
M:	Nitin Gupta <ngupta@vflare.org>
R:	Sergey Senozhatsky <senozhatsky@chromium.org>
L:	linux-mm@kvack.org
S:	Maintained
F:	Documentation/mm/zsmalloc.rst
F:	include/linux/zsmalloc.h
F:	mm/zsmalloc.c

ZSTD
M:	Nick Terrell <terrelln@fb.com>
S:	Maintained
B:	https://github.com/facebook/zstd/issues
T:	git git://github.com/terrelln/linux.git
F:	include/linux/zstd*
F:	lib/zstd/
F:	lib/decompress_unzstd.c
F:	crypto/zstd.c
N:	zstd
K:	zstd

ZSWAP COMPRESSED SWAP CACHING
M:	Seth Jennings <sjenning@redhat.com>
M:	Dan Streetman <ddstreet@ieee.org>
M:	Vitaly Wool <vitaly.wool@konsulko.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
S:	Buried alive in reporters
T:	git git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
F:	*
F:	*/