Andrea Arcangeli e067eba587 userfaultfd: document _IOR/_IOW ... Patch series "userfaultfd tmpfs/hugetlbfs/non-cooperative", v2 These userfaultfd features are finished and are ready for larger exposure in -mm and upstream merging. 1) tmpfs non present userfault 2) hugetlbfs non present userfault 3) non cooperative userfault for fork/madvise/mremap qemu development code is already exercising 2) and container postcopy live migration needs 3). 1) is not currently used but there's a self test and we know some qemu user for various reasons uses tmpfs as backing for KVM so it'll need it too to use postcopy live migration with tmpfs memory. All review feedback from the previous submit has been handled and the fixes are included. There's no outstanding issue AFIK. Upstream code just did a s/fe/vmf/ conversion in the page faults and this has been converted as well incrementally. In addition to the previous submits, this also wakes up stuck userfaults during UFFDIO_UNREGISTER. The non cooperative testcase actually reproduced this problem by getting stuck instead of quitting clean in some rare case as it could call UFFDIO_UNREGISTER while some userfault could be still in flight. The other option would have been to keep leaving it up to userland to serialize itself and to patch the testcase instead but the wakeup during unregister I think is preferable. David also asked the UFFD_FEATURE_MISSING_HUGETLBFS and UFFD_FEATURE_MISSING_SHMEM feature flags to be added so QEMU can avoid to probe if the hugetlbfs/shmem missing support is available by calling UFFDIO_REGISTER. QEMU already checks HUGETLBFS_MAGIC with fstatfs so if UFFD_FEATURE_MISSING_HUGETLBFS is also set, it knows UFFDIO_REGISTER will succeed (or if it fails, it's for some other more concerning reason). There's no reason to worry about adding too many feature flags. There are 64 available and worst case we've to bump the API if someday we're really going to run out of them. The round-trip network latency of hugetlbfs userfaults during postcopy live migration is still of the order of dozen milliseconds on 10GBit if at 2MB hugepage granularity so it's working perfectly and it should provide for higher bandwidth or lower CPU usage (which makes it interesting to add an option in the future to support THP granularity too for anonymous memory, UFFDIO_COPY would then have to create THP if alignment/len allows for it). 1GB hugetlbfs granularity will require big changes in hugetlbfs to work so it's deferred for later. This patch (of 42): This adds proper documentation (inline) to avoid the risk of further misunderstandings about the semantics of _IOW/_IOR and it also reminds whoever will bump the UFFDIO_API in the future, to change the two ioctl to _IOW. This was found while implementing strace support for those ioctl, otherwise we could have never found it by just reviewing kernel code and testing it. _IOC_READ or _IOC_WRITE alters nothing but the ioctl number itself, so it's only worth fixing if the UFFDIO_API is bumped someday. Link: http://lkml.kernel.org/r/20161216144821.5183-2-aarcange@redhat.com Signed-off-by: Andrea Arcangeli <aarcange@redhat.com> Reported-by: "Dmitry V. Levin" <ldv@altlinux.org> Cc: Michael Rapoport <RAPOPORT@il.ibm.com> Cc: "Dr. David Alan Gilbert" <dgilbert@redhat.com> Cc: Mike Kravetz <mike.kravetz@oracle.com> Cc: Pavel Emelyanov <xemul@parallels.com> Cc: Hillf Danton <hillf.zj@alibaba-inc.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2017-02-22 16:41:27 -08:00
..
android	binder: Add support for file-descriptor arrays	2017-02-10 16:00:01 +01:00
byteorder
caif
can	can: dev: add CAN interface API for fixed bitrates	2017-01-24 13:52:00 +01:00
cifs
dvb	[media] fix broken references on dvb/video*rst	2016-09-09 09:53:35 -03:00
genwqe
hdlc
hsi	HSI: hsi_char.h: use __u32 from linux/types.h	2016-08-22 22:43:35 +02:00
iio	iio: Add channel for Gravity	2017-01-05 13:02:25 +00:00
isdn
mmc	mmc: block: Change MMC_IOC_MAX_BYTES	2016-11-29 09:00:30 +01:00
netfilter	netfilter: nf_tables: add NFTA_RULE_ID attribute	2017-02-12 14:45:13 +01:00
netfilter_arp
netfilter_bridge
netfilter_ipv4
netfilter_ipv6
nfsd
raid	md/failfast: add failfast flag for md to be used by some personalities.	2016-11-22 08:58:17 -08:00
spi
sunrpc
tc_act	net/act_pedit: Introduce 'add' operation	2017-02-10 13:18:33 -05:00
tc_ematch
usb	usb: gadget: f_fs: Document eventfd effect on descriptor format.	2017-01-02 10:55:28 +02:00
wimax
a.out.h
acct.h
adb.h
adfs_fs.h
affs_hardblocks.h
agpgart.h
aio_abi.h
am437x-vpfe.h
apm_bios.h
arcfb.h
atalk.h
atm_eni.h
atm_he.h
atm_idt77105.h
atm_nicstar.h
atm_tcp.h
atm_zatm.h	Revert "include/uapi/linux/atm_zatm.h: include linux/time.h"	2016-11-13 12:35:13 -05:00
atm.h
atmapi.h
atmarp.h
atmbr2684.h
atmclip.h
atmdev.h
atmioc.h
atmlec.h
atmmpc.h
atmppp.h
atmsap.h
atmsvc.h
audit.h	Merge branch 'stable-4.11' of git://git.infradead.org/users/pcmoore/audit	2017-02-21 13:25:50 -08:00
auto_dev-ioctl.h	autofs4: move linux/auto_dev-ioctl.h to uapi/linux	2016-10-11 15:06:31 -07:00
auto_fs4.h
auto_fs.h	autofs: move inclusion of linux/limits.h to uapi	2016-10-11 15:06:31 -07:00
auxvec.h
ax25.h
b1lli.h
batman_adv.h	batman-adv: update copyright years for 2017	2017-01-26 08:34:19 +01:00
baycom.h
bcache.h
bcm933xx_hcs.h
bfs_fs.h
binfmts.h
blkpg.h
blktrace_api.h
blkzoned.h	blk-zoned: implement ioctls	2016-10-18 10:05:42 -06:00
bpf_common.h
bpf_perf_event.h	bpf: introduce BPF_PROG_TYPE_PERF_EVENT program type	2016-09-02 10:46:44 -07:00
bpf.h	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2017-02-16 19:34:01 -05:00
bpqether.h	net: bpqether.h: remove if_ether.h guard	2016-11-13 00:57:53 -05:00
bsg.h
bt-bmc.h	ipmi: add an Aspeed BT IPMI BMC driver	2016-09-29 19:05:06 -05:00
btrfs_tree.h	btrfs: uapi/linux/btrfs_tree.h, use __u8 and __u64	2016-04-28 11:06:41 +02:00
btrfs.h	Btrfs: catch invalid free space trees	2016-10-03 18:52:14 +02:00
can.h	can: raw: raw_setsockopt: limit number of can_filter that can be set	2016-12-07 10:45:57 +01:00
capability.h	uapi: move forward declarations of internal structures	2016-08-02 17:31:41 -04:00
capi.h
cciss_defs.h
cciss_ioctl.h
cdrom.h
cec-funcs.h	[media] cec: fix report_current_latency	2016-12-21 06:59:13 -02:00
cec.h	[media] cec.h/cec-funcs.h: don't use bool in public headers	2016-11-16 15:43:10 -02:00
cgroupstats.h
chio.h
cm4000_cs.h
cn_proc.h
coda_psdev.h
coda.h
coff.h
connector.h
const.h
coresight-stm.h	coresight: stm: adding driver for CoreSight STM component	2016-05-03 14:59:30 -07:00
cramfs_fs.h
cryptouser.h	crypto: acomp - add asynchronous compression api	2016-10-25 11:08:30 +08:00
cuda.h
cyclades.h
cycx_cfm.h
dcbnl.h
dccp.h
devlink.h	devlink: fix the name of eswitch commands	2017-02-10 14:43:00 -05:00
dlm_device.h
dlm_netlink.h
dlm_plock.h
dlm.h
dlmconstants.h
dm-ioctl.h	dm: add infrastructure for DAX support	2016-07-20 23:49:49 -04:00
dm-log-userspace.h	uapi dm-log-userspace.h: use __u32, __s32, __u64 and __s64 from linux/types.h	2016-11-21 09:52:02 -05:00
dma-buf.h
dn.h
dqblk_xfs.h
edd.h
efs_fs_sb.h
elf-em.h	bpf, elf: add official ELF machine define for eBPF	2016-07-20 12:37:39 -07:00
elf-fdpic.h
elf.h	powerpc updates for 4.8 #2	2016-08-05 09:00:54 -04:00
elfcore.h
errno.h
errqueue.h
ethtool.h	net: ethtool: add support for 2500BaseT and 5000BaseT link modes	2017-01-30 10:14:28 -05:00
eventpoll.h
fadvise.h
falloc.h	vfs: add a FALLOC_FL_UNSHARE mode to fallocate to unshare a range of blocks	2016-10-03 09:11:14 -07:00
fanotify.h
fb.h
fcntl.h
fd.h
fdreg.h
fib_rules.h	net: core: add UID to flows, rules, and routes	2016-11-04 14:45:23 -04:00
fiemap.h
filter.h
firewire-cdev.h
firewire-constants.h
flat.h
fou.h
fs.h	This merge request includes the dax-4.0-iomap-pmd branch which is	2016-12-14 09:17:42 -08:00
fsl_hypervisor.h
fuse.h	fuse: Add posix ACL support	2016-10-01 07:32:32 +02:00
futex.h
gameport.h
gen_stats.h	sched: align nlattr properly when needed	2016-04-26 12:00:49 -04:00
genetlink.h	genetlink: use idr to track families	2016-10-27 16:16:09 -04:00
gfs2_ondisk.h
gigaset_dev.h
gpio.h	gpio: userspace ABI for reading GPIO line events	2016-06-15 09:29:17 +02:00
gsmmux.h
gtp.h	gtp: #define _UAPI_LINUX_GTP_H_ and not _UAPI_LINUX_GTP_H__	2016-06-07 16:25:49 -07:00
hash_info.h
hdlc.h
hdlcdrv.h
hdreg.h
hid.h
hiddev.h
hidraw.h
hpet.h
hsr_netlink.h
hw_breakpoint.h	hw_breakpoint: Allow watchpoint of length 3,5,6 and 7	2016-11-18 17:23:17 +00:00
hyperv.h
hysdn_if.h
i2c-dev.h
i2c.h	i2c: smbus: add SMBus Host Notify support	2016-06-17 13:24:05 +02:00
i2o-dev.h
i8k.h
icmp.h	ipv6: RFC 4884 partial support for SIT/GRE tunnels	2016-06-18 22:11:39 -07:00
icmpv6.h
if_addr.h
if_addrlabel.h
if_alg.h
if_arcnet.h
if_arp.h
if_bonding.h
if_bridge.h	bridge: uapi: add per vlan tunnel info	2017-02-03 15:21:21 -05:00
if_cablemodem.h
if_eql.h
if_ether.h	ethernet: use net core MTU range checking in more drivers	2016-10-20 14:51:08 -04:00
if_fc.h
if_fddi.h
if_frad.h
if_hippi.h
if_infiniband.h
if_link.h	bridge: uapi: add per vlan tunnel info	2017-02-03 15:21:21 -05:00
if_ltalk.h
if_macsec.h	macsec: limit ICV length to 16 octets	2016-07-25 10:55:39 -07:00
if_packet.h
if_phonet.h
if_plip.h
if_ppp.h
if_pppol2tp.h	net: l2tp: deprecate PPPOL2TP_MSG_* in favour of L2TP_MSG_*	2016-12-10 23:29:11 -05:00
if_pppox.h	include/uapi/linux/if_pppox.h: include linux/in.h and linux/in6.h	2016-08-22 16:25:15 -07:00
if_slip.h
if_team.h
if_tun.h
if_tunnel.h	Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next	2016-09-25 23:34:19 +02:00
if_vlan.h
if_x25.h
if.h	uapi glibc compat: fix outer guard of net device flags enum	2016-12-06 10:43:32 -05:00
ife.h	net: Introduce ife encapsulation module	2017-02-03 15:16:45 -05:00
igmp.h	bridge: sparse fixes in br_ip6_multicast_alloc_query()	2017-01-17 15:22:05 -05:00
ila.h	ila: add checksum neutral ILA translations	2016-04-26 01:27:07 -04:00
in6.h	ipv6: add IPV6_RECVFRAGSIZE cmsg	2016-11-03 15:41:11 -04:00
in_route.h
in.h	ipv4: add IP_RECVFRAGSIZE cmsg	2016-11-03 15:41:11 -04:00
inet_diag.h	net: ip, diag -- Add diag interface for raw sockets	2016-10-23 19:35:24 -04:00
inotify.h
input-event-codes.h	Input: change KEY_DATA from 0x275 to 0x277	2016-11-30 08:59:26 -08:00
input.h	HID: intel-ish-hid: ISH HID client driver	2016-08-17 11:13:08 +02:00
ioctl.h
ip6_tunnel.h
ip_vs.h	netfilter/ipvs: use nla_put_u64_64bit()	2016-04-25 15:09:11 -04:00
ip.h
ipc.h
ipmi_msgdefs.h
ipmi.h
ipsec.h
ipv6_route.h	uapi: fix linux/ipv6_route.h userspace compilation errors	2017-02-19 18:15:12 -05:00
ipv6.h	net/ipv6: allow sysctl to change link-local address generation mode	2017-01-27 10:25:34 -05:00
ipx.h	include/uapi/linux/ipx.h: fix conflicting defitions with glibc netipx/ipx.h	2016-08-22 16:25:15 -07:00
irda.h
irqnr.h
isdn_divertif.h
isdn_ppp.h
isdn.h
isdnif.h
iso_fs.h
ivtv.h
ivtvfb.h
ixjuser.h
jffs2.h
joystick.h
Kbuild	net: Introduce ife encapsulation module	2017-02-03 15:16:45 -05:00
kcm.h
kcmp.h
kcov.h	kernel: add kcov code coverage	2016-03-22 15:36:02 -07:00
kd.h
kdev_t.h
kernel-page-flags.h
kernel.h
kernelcapi.h
kexec.h	arm64/kexec: Add core kexec support	2016-06-27 16:31:25 +01:00
keyboard.h
keyctl.h	KEYS: Add KEYCTL_DH_COMPUTE command	2016-04-12 19:54:58 +01:00
kfd_ioctl.h
kvm_para.h
kvm.h	KVM: PPC: Book3S HV: Add userspace interfaces for POWER9 MMU	2017-01-31 19:11:47 +11:00
l2tp.h	uapi: fix linux/if_pppol2tp.h userspace compilation errors	2017-02-14 22:18:05 -05:00
libc-compat.h	include/uapi/linux/ipx.h: fix conflicting defitions with glibc netipx/ipx.h	2016-08-22 16:25:15 -07:00
lightnvm.h	lightnvm: add ioctls for vector I/Os	2017-01-31 08:32:13 -07:00
limits.h
lirc.h	[media] lirc.h: remove several unused ioctls	2016-07-11 10:49:52 -03:00
llc.h
loop.h
lp.h
lwtunnel.h	bpf: BPF for lightweight tunnel infrastructure	2016-12-02 10:51:49 -05:00
magic.h	x86/intel_rdt: Add basic resctrl filesystem support	2016-10-30 19:10:14 -06:00
major.h	docs: fix locations of several documents that got moved	2016-10-24 08:12:35 -02:00
map_to_7segment.h
matroxfb.h
mdio.h
media-bus-format.h	[media] media: Add 1X16 16-bit raw bayer media bus code definitions	2016-09-09 11:16:36 -03:00
media.h	[media] v4l2-core: Add support for touch devices	2016-08-23 16:28:04 -03:00
mei.h
membarrier.h
memfd.h
mempolicy.h
meye.h
mic_common.h
mic_ioctl.h
mii.h	net: Add mask for Control register 10Mbps speed	2016-08-12 16:57:20 -07:00
minix_fs.h
mman.h
mmtimer.h
module.h
mpls_iptunnel.h
mpls.h	mpls: Packet stats	2017-01-17 14:38:43 -05:00
mqueue.h
mroute6.h	uapi: fix linux/mroute6.h userspace compilation errors	2017-02-19 18:15:12 -05:00
mroute.h	uapi: fix linux/mroute.h userspace compilation errors	2017-02-19 18:15:12 -05:00
msdos_fs.h
msg.h
mtio.h
n_r3964.h
nbd.h	nbd: move multi-connection bit to unused value	2016-11-22 13:11:55 -07:00
ncp_fs.h
ncp_mount.h
ncp_no.h
ncp.h
ndctl.h	libnvdimm: fix SMART Health DSM payload definition	2016-08-15 11:07:21 -07:00
neighbour.h	vxlan: support fdb and learning in COLLECT_METADATA mode	2017-02-03 15:21:21 -05:00
net_dropmon.h
net_namespace.h
net_tstamp.h	tcp: SOF_TIMESTAMPING_OPT_STATS option for SO_TIMESTAMPING	2016-11-30 10:04:25 -05:00
net.h
netconf.h	net: mpls: Add support for netconf	2017-02-20 11:13:37 -05:00
netdevice.h
netfilter_arp.h
netfilter_bridge.h
netfilter_decnet.h
netfilter_ipv4.h
netfilter_ipv6.h
netfilter.h	netfilter: deprecate NF_STOP	2016-11-03 10:56:17 +01:00
netlink_diag.h	netlink: Add comment to warn about deprecated netlink rings attribute request	2016-06-16 14:00:50 -07:00
netlink.h	smc: netlink interface for SMC sockets	2017-01-09 16:07:41 -05:00
netrom.h
nfc.h
nfs2.h
nfs3.h
nfs4_mount.h
nfs4.h	nfs: add a new NFS4_OPEN_RESULT_MAY_NOTIFY_LOCK constant	2016-09-26 15:20:37 -04:00
nfs_fs.h
nfs_idmap.h
nfs_mount.h
nfs.h
nfsacl.h
nilfs2_api.h	nilfs2: move ioctl interface and disk layout to uapi separately	2016-08-02 19:35:21 -04:00
nilfs2_ondisk.h	nilfs2: move ioctl interface and disk layout to uapi separately	2016-08-02 19:35:21 -04:00
nl80211.h	cfg80211: fix NAN bands definition	2017-02-09 15:17:30 +01:00
nsfs.h	nsfs: add ioctl to get a parent namespace	2016-09-22 19:59:41 -05:00
nubus.h
nvme_ioctl.h	NVMe: Allow user initiated rescan	2016-05-17 17:14:21 -06:00
nvram.h
omap3isp.h
omapfb.h
oom.h
openvswitch.h	openvswitch: Add force commit.	2017-02-09 22:59:34 -05:00
packet_diag.h
param.h
parport.h
patchkey.h
pci_regs.h	PCI: Move config space size macros to pci_regs.h	2016-12-12 10:05:22 -06:00
pci.h
perf_event.h	perf core: Per event callchain limit	2016-05-30 12:41:44 -03:00
personality.h
pfkeyv2.h
pg.h
phantom.h
phonet.h
pkt_cls.h	net/sched: Reflect HW offload status	2017-02-17 12:08:05 -05:00
pkt_sched.h	net_sched: sch_fq: account for schedule/timers drifts	2016-09-23 07:19:06 -04:00
pktcdvd.h
pmu.h
poll.h
posix_acl_xattr.h	posix_acl: uapi header split	2016-09-27 21:52:00 -04:00
posix_acl.h	posix_acl: uapi header split	2016-09-27 21:52:00 -04:00
posix_types.h
ppdev.h
ppp_defs.h
ppp-comp.h
ppp-ioctl.h
pps.h
pr.h
prctl.h
psample.h	net: Introduce psample, a new genetlink channel for packet sampling	2017-01-24 13:44:28 -05:00
psci.h
ptp_clock.h
ptrace.h
qnx4_fs.h
qnxtypes.h
qrtr.h	net: Add Qualcomm IPC router	2016-05-08 23:46:14 -04:00
quota.h	fs/quota: use nla_put_u64_64bit()	2016-04-26 12:00:48 -04:00
radeonfb.h
random.h
raw.h
rds.h	uapi: fix linux/rds.h userspace compilation error	2017-02-19 18:15:23 -05:00
reboot.h
reiserfs_fs.h
reiserfs_xattr.h
resource.h
rfkill.h
rio_cm_cdev.h	rapidio: add RapidIO channelized messaging driver	2016-08-02 19:35:31 -04:00
rio_mport_cdev.h	rapidio/mport_cdev: fix uapi type definitions	2016-05-05 17:38:53 -07:00
romfs_fs.h
rose.h
route.h
rtc.h
rtnetlink.h	net: mpls: Add support for netconf	2017-02-20 11:13:37 -05:00
scc.h
sched.h
scif_ioctl.h
screen_info.h
sctp.h	sctp: add support for generating stream ssn reset event notification	2017-02-19 18:17:59 -05:00
sdla.h
seccomp.h
securebits.h
sed-opal.h	uapi: sed-opal fix IOW for activate lsp to use correct struct	2017-02-14 19:47:16 -07:00
seg6_genl.h	ipv6: sr: add code base for control plane support of SR-IPv6	2016-11-09 20:40:06 -05:00
seg6_hmac.h	ipv6: sr: add missing Kbuild export for header files	2017-01-16 14:47:21 -05:00
seg6_iptunnel.h	ipv6: sr: add missing Kbuild export for header files	2017-01-16 14:47:21 -05:00
seg6.h	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2017-02-07 16:29:30 -05:00
selinux_netlink.h
sem.h
serial_core.h	serial: 8250: Add new port type for TI DA8xx/66AK2x	2017-01-12 11:51:25 +01:00
serial_reg.h	serial: exar: Move register defines from uapi header to consumer site	2017-02-10 15:13:26 +01:00
serial.h
serio.h	[media] input: serio - add new protocol for the Pulse-Eight USB-CEC Adapter	2016-07-12 13:42:10 -03:00
shm.h
signal.h	signals/sigaltstack: Change SS_AUTODISARM to (1U << 31)	2016-05-04 08:34:14 +02:00
signalfd.h
smc_diag.h	smc: netlink interface for SMC sockets	2017-01-09 16:07:41 -05:00
smc.h	smc: establish pnet table management	2017-01-09 16:07:38 -05:00
smiapp.h
snmp.h	net: add LINUX_MIB_PFMEMALLOCDROP counter	2017-02-02 23:34:19 -05:00
sock_diag.h	sock_diag: add SK_MEMINFO_DROPS	2016-04-04 22:11:20 -04:00
socket.h
sockios.h	driver: tun: Use new macro SOCK_IOC_TYPE instead of literal number 0x89	2016-10-31 10:56:47 -04:00
sonet.h
sonypi.h
sound.h
soundcard.h
stat.h
stddef.h	uapi/linux/stddef.h: Provide __always_inline to userspace headers	2016-03-30 12:50:17 +02:00
stm.h
string.h
suspend_ioctls.h
swab.h	byteswap: try to avoid __builtin_constant_p gcc bug	2016-05-05 17:38:53 -07:00
sync_file.h	dma-buf/sync_file: fix documentation error	2016-09-20 18:12:38 +05:30
synclink.h
sysctl.h	uapi: move forward declarations of internal structures	2016-08-02 17:31:41 -04:00
sysinfo.h
target_core_user.h
taskstats.h
tcp_metrics.h	libnl: nla_put_msecs(): align on a 64-bit area	2016-04-23 20:13:24 -04:00
tcp.h	tcp: record pkts sent and retransmistted	2017-01-29 19:17:23 -05:00
telephony.h
termios.h
thermal.h
time.h
timerfd.h	timerfd: export defines to userspace	2017-01-10 18:31:55 -08:00
times.h
timex.h
tiocl.h
tipc_config.h
tipc_netlink.h	tipc: add the ability to get UDP options via netlink	2016-08-26 21:38:41 -07:00
tipc.h	tipc: make replicast a user selectable option	2017-01-20 12:10:17 -05:00
toshiba.h
tty_flags.h	tty: core: Undefine ASYNC_* flags superceded by TTY_PORT* flags	2016-04-30 09:26:55 -07:00
tty.h
types.h	linux/types.h: enable endian checks for all sparse builds	2016-12-16 00:13:39 +02:00
udf_fs_i.h
udp.h	gtp: add initial driver for datapath of GPRS Tunneling Protocol (GTP-U)	2016-05-10 12:25:04 -04:00
uhid.h
uinput.h
uio.h
uleds.h	leds: Introduce userspace LED class driver	2016-11-22 12:07:02 +01:00
ultrasound.h
un.h	unix: add ioctl to open a unix socket file with O_PATH	2017-02-02 21:58:02 -05:00
unistd.h
unix_diag.h
usbdevice_fs.h
usbip.h
userfaultfd.h	userfaultfd: document _IOR/_IOW	2017-02-22 16:41:27 -08:00
userio.h
utime.h
utsname.h
uuid.h	lib/uuid.c: remove FSF address	2016-05-20 17:58:30 -07:00
uvcvideo.h
v4l2-common.h
v4l2-controls.h	[media] v4l: ctrls: Add deinterlacing mode control	2016-11-16 16:16:08 -02:00
v4l2-dv-timings.h	[media] v4l2-dv-timings: add VICs and picture aspect ratio	2016-11-16 15:13:18 -02:00
v4l2-mediabus.h
v4l2-subdev.h
veth.h
vfio.h	vfio: Define device_api strings	2016-11-17 08:33:20 -07:00
vhost.h	vhost: remove unused feature bit	2016-12-16 00:13:38 +02:00
videodev2.h	[media] videodev2.h: go back to limited range Y'CbCr for SRGB and, ADOBERGB	2017-02-13 14:33:56 -02:00
virtio_9p.h
virtio_balloon.h
virtio_blk.h
virtio_config.h	virtio: new feature to detect IOMMU device quirk	2016-08-01 21:44:52 +03:00
virtio_console.h
virtio_crypto.h	crypto: add virtio-crypto driver	2016-12-16 00:13:32 +02:00
virtio_gpu.h
virtio_ids.h	crypto: add virtio-crypto driver	2016-12-16 00:13:32 +02:00
virtio_input.h
virtio_net.h	virtio_net: add _UAPI prefix to virtio_net header guards	2016-06-10 23:03:55 -07:00
virtio_pci.h
virtio_ring.h
virtio_rng.h
virtio_scsi.h
virtio_types.h	linux: drop __bitwise__ everywhere	2016-12-16 00:13:41 +02:00
virtio_vsock.h	virtio-vsock: fix include guard typo	2016-08-09 13:42:38 +03:00
vm_sockets.h
vt.h	tty: vt, remove reduntant check	2016-04-30 09:26:55 -07:00
vtpm_proxy.h	tpm, tpm_vtpm_proxy: add kdoc comments for VTPM_PROXY_IOC_NEW_DEV	2016-11-28 01:31:31 +02:00
wait.h
wanrouter.h
watchdog.h
wil6210_uapi.h
wimax.h
wireless.h	wext: reformat struct/union declarations	2016-06-09 10:14:39 +02:00
x25.h
xattr.h
xfrm.h	xfrm: fix header file comment reference to struct xfrm_replay_state_esn	2016-09-09 09:10:07 +02:00
xilinx-v4l2-controls.h
zorro_ids.h
zorro.h