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Gabriel Krisman Bertazi 1446e1df9e kernel: Implement selective syscall userspace redirection 
Introduce a mechanism to quickly disable/enable syscall handling for a
specific process and redirect to userspace via SIGSYS.  This is useful
for processes with parts that require syscall redirection and parts that
don't, but who need to perform this boundary crossing really fast,
without paying the cost of a system call to reconfigure syscall handling
on each boundary transition.  This is particularly important for Windows
games running over Wine.

The proposed interface looks like this:

  prctl(PR_SET_SYSCALL_USER_DISPATCH, <op>, <off>, <length>, [selector])

The range [<offset>,<offset>+<length>) is a part of the process memory
map that is allowed to by-pass the redirection code and dispatch
syscalls directly, such that in fast paths a process doesn't need to
disable the trap nor the kernel has to check the selector.  This is
essential to return from SIGSYS to a blocked area without triggering
another SIGSYS from rt_sigreturn.

selector is an optional pointer to a char-sized userspace memory region
that has a key switch for the mechanism. This key switch is set to
either PR_SYS_DISPATCH_ON, PR_SYS_DISPATCH_OFF to enable and disable the
redirection without calling the kernel.

The feature is meant to be set per-thread and it is disabled on
fork/clone/execv.

Internally, this doesn't add overhead to the syscall hot path, and it
requires very little per-architecture support.  I avoided using seccomp,
even though it duplicates some functionality, due to previous feedback
that maybe it shouldn't mix with seccomp since it is not a security
mechanism.  And obviously, this should never be considered a security
mechanism, since any part of the program can by-pass it by using the
syscall dispatcher.

For the sysinfo benchmark, which measures the overhead added to
executing a native syscall that doesn't require interception, the
overhead using only the direct dispatcher region to issue syscalls is
pretty much irrelevant.  The overhead of using the selector goes around
40ns for a native (unredirected) syscall in my system, and it is (as
expected) dominated by the supervisor-mode user-address access.  In
fact, with SMAP off, the overhead is consistently less than 5ns on my
test box.

Signed-off-by: Gabriel Krisman Bertazi <krisman@collabora.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Andy Lutomirski <luto@kernel.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20201127193238.821364-4-krisman@collabora.com
 		2020-12-02 15:07:56 +01:00
..
android android: binder.h: drop a duplicated word 2020-07-23 09:35:36 +02:00
byteorder
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caif net: caif: drop duplicate words in comments 2020-07-15 20:34:11 -07:00
can can: isotp: implement cleanups / improvements from review 2020-10-12 10:06:08 +02:00
cifs
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dvb
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genwqe
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hdlc wan/hdlc_x25: make lapb params configurable 2020-01-21 11:41:36 +01:00
hsi
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iio iio: add IIO_MOD_O2 modifier 2020-08-22 10:53:12 +01:00
isdn isdn/capi: check message length in capi_write() 2019-09-07 17:44:25 +02:00
mmc mmc: fix compilation of user API 2020-05-28 11:22:14 +02:00
netfilter netfilter: nftables: allow re-computing sctp CRC-32C in 'payload' statements 2020-10-15 11:45:19 -07:00
netfilter_arp net, uapi: fix -Wpointer-arith warnings 2019-10-04 14:25:17 -07:00
netfilter_bridge uapi: revert flexible-array conversions 2020-05-04 11:30:15 -05:00
netfilter_ipv4 net, uapi: fix -Wpointer-arith warnings 2019-10-04 14:25:17 -07:00
netfilter_ipv6 net, uapi: fix -Wpointer-arith warnings 2019-10-04 14:25:17 -07:00
nfsd nfsd: add support for upcall version 2 2019-09-10 09:26:33 -04:00
raid raid: md_p.h: drop duplicated word in a comment 2020-07-21 22:05:32 -07:00
sched
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spi spi: uapi: spidev: Use TABs for alignment 2020-06-15 16:03:38 +01:00
sunrpc
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tc_act net/sched: act_mpls: Add action to push MPLS LSE before Ethernet header 2020-10-03 17:28:45 -07:00
tc_ematch
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usb include/: replace HTTP links with HTTPS ones 2020-08-12 10:57:59 -07:00
wimax
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a.out.h
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acct.h acct: stop using get_seconds() 2019-12-18 18:07:31 +01:00
adb.h
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adfs_fs.h
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affs_hardblocks.h
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agpgart.h
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aio_abi.h
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am437x-vpfe.h
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apm_bios.h
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arcfb.h
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arm_sdei.h
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aspeed-lpc-ctrl.h
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aspeed-p2a-ctrl.h
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atalk.h
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atm.h
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atm_eni.h
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atm_he.h
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atm_idt77105.h
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atm_nicstar.h
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atm_tcp.h
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atm_zatm.h
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atmapi.h
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atmarp.h
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atmbr2684.h
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atmclip.h
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atmdev.h
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atmioc.h atm: Replace HTTP links with HTTPS ones 2020-07-13 17:01:44 -07:00
atmlec.h
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atmmpc.h
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atmppp.h
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atmsap.h
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atmsvc.h
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audit.h audit: report audit wait metric in audit status reply 2020-07-21 11:21:44 -04:00
auto_dev-ioctl.h autofs: fix doubled word 2020-08-12 10:58:00 -07:00
auto_fs.h
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auto_fs4.h
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auxvec.h
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ax25.h
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batadv_packet.h batman-adv: Fix typos and grammar in documentation 2020-06-26 10:36:30 +02:00
batman_adv.h batman-adv: Introduce a configurable per interface hop penalty 2020-06-26 10:37:11 +02:00
baycom.h
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bcache.h bcache: add bucket_size_hi into struct cache_sb_disk for large bucket 2020-07-25 07:38:21 -06:00
bcm933xx_hcs.h
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bfs_fs.h
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binfmts.h
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blkpg.h
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blktrace_api.h
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blkzoned.h block: fix uapi blkzoned.h comments 2020-10-09 12:47:02 -06:00
bpf.h bpf: Fix bpf_redirect_neigh helper api to support supplying nexthop 2020-10-22 01:28:54 +02:00
bpf_common.h
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bpf_perf_event.h
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bpfilter.h treewide: add "WITH Linux-syscall-note" to SPDX tag of uapi headers 2019-07-25 11:05:10 +02:00
bpqether.h
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bsg.h
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bt-bmc.h
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btf.h bpf: Introduce function-by-function verification 2020-01-10 17:20:07 +01:00
btrfs.h btrfs: add metadata_uuid to FS_INFO ioctl 2020-07-27 12:55:43 +02:00
btrfs_tree.h btrfs: tree-checker: fix false alert caused by legacy btrfs root item 2020-10-07 12:13:23 +02:00
can.h can: don't use deprecated license identifiers 2019-11-05 12:44:34 +01:00
capability.h block: grant IOPRIO_CLASS_RT to CAP_SYS_NICE 2020-09-01 19:38:33 -06:00
capi.h
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cciss_defs.h
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cciss_ioctl.h
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cdrom.h block: scsi_ioctl: Avoid the use of one-element arrays 2020-10-02 17:58:52 -06:00
cec-funcs.h media: cec-funcs.h: use new CEC_OP_UI_CMD defines 2019-10-07 07:55:17 -03:00
cec.h media: cec: expose the new connector info API 2019-10-01 17:19:41 -03:00
cgroupstats.h
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chio.h scsi: ch: add include guard to chio.h 2019-10-09 22:31:14 -04:00
close_range.h close_range: add CLOSE_RANGE_UNSHARE 2020-06-17 00:07:38 +02:00
cm4000_cs.h
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cn_proc.h
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coda.h coda: add hinting support for partial file caching 2019-07-16 19:23:23 -07:00
coff.h linux/coff.h: add include guard 2019-09-25 17:51:39 -07:00
connector.h
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const.h
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coresight-stm.h coresight: stm: Support marked packet 2020-09-17 18:46:04 +02:00
cramfs_fs.h
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cryptouser.h crypto: add header include guards 2019-08-02 14:44:02 +10:00
cuda.h
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cyclades.h y2038: uapi: change __kernel_time_t to __kernel_old_time_t 2019-11-15 14:38:29 +01:00
cycx_cfm.h
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dcbnl.h net: Fix misspellings of "configure" and "configuration" 2019-10-28 13:41:01 -07:00
dccp.h
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devlink.h devlink: Add remote reload stats 2020-10-09 12:06:52 -07:00
dlm.h
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dlm_device.h uapi: revert flexible-array conversions 2020-05-04 11:30:15 -05:00
dlm_netlink.h
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dlm_plock.h
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dlmconstants.h
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dm-ioctl.h dm: export dm_copy_name_and_uuid 2020-10-01 15:03:40 -04:00
dm-log-userspace.h
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dma-buf.h dma-buf: Fix SET_NAME ioctl uapi 2020-04-27 16:29:41 +05:30
dma-heap.h dma-buf: heaps: Use _IOCTL_ for userspace IOCTL identifier 2019-12-17 21:37:40 +05:30
dn.h
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dns_resolver.h
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dqblk_xfs.h quota: Expand comment describing d_itimer 2020-09-10 09:10:06 +02:00
edd.h
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efs_fs_sb.h
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elf-em.h
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elf-fdpic.h
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elf.h arm64: mte: ptrace: Add NT_ARM_TAGGED_ADDR_CTRL regset 2020-09-04 12:46:07 +01:00
errno.h
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errqueue.h icmp: support rfc 4884 2020-07-19 19:20:22 -07:00
erspan.h
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ethtool.h ethtool: Add 100base-FX link mode entries 2020-09-19 16:54:35 -07:00
ethtool_netlink.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-09-22 16:45:34 -07:00
eventpoll.h
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fadvise.h
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falloc.h
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fanotify.h fanotify: add support for FAN_REPORT_NAME 2020-07-27 23:24:00 +02:00
fb.h drm/fb-helper: Fix vt restore 2020-06-24 21:34:11 +02:00
fcntl.h vfs: add faccessat2 syscall 2020-05-14 16:44:25 +02:00
fd.h floppy: suppress UBSAN warning in setup_rw_floppy() 2020-05-12 19:34:57 +03:00
fdreg.h floppy: add references to 82077's extra registers 2020-05-12 19:34:52 +03:00
fib_rules.h
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fiemap.h A lot of bug fixes and cleanups for ext4, including: 2020-06-05 16:19:28 -07:00
filter.h
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firewire-cdev.h firewire: firewire-cdev.hL get rid of a docs warning 2020-04-20 15:45:41 -06:00
firewire-constants.h
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fou.h
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fpga-dfl.h fpga: dfl: afu: add AFU interrupt support 2020-07-06 21:37:08 -07:00
fs.h fs/ext4: Introduce DAX inode flag 2020-05-28 22:09:47 -04:00
fscrypt.h fscrypt: make "#define fscrypt_policy" user-only 2020-09-22 06:48:44 -07:00
fsi.h
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fsl_hypervisor.h
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fsmap.h
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fsverity.h fs-verity: add SHA-512 support 2019-08-12 19:33:50 -07:00
fuse.h fuse: add submount support to <uapi/linux/fuse.h> 2020-09-18 15:17:40 +02:00
futex.h
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gameport.h
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gen_stats.h net_sched: add TCA_STATS_PKT64 attribute 2019-11-05 18:20:55 -08:00
genetlink.h genetlink: allow dumping command-specific policy 2020-10-03 14:18:29 -07:00
gfs2_ondisk.h gfs2: Keep track of deleted inode generations in LVBs 2020-06-05 20:19:20 +02:00
gpio.h gpio: uapi: document uAPI v1 as deprecated 2020-09-30 10:57:08 +02:00
gsmmux.h tty: n_gsm: add ioctl to map serial device to mux'ed tty 2019-09-04 12:43:54 +02:00
gtp.h gtp: add notification mechanism 2020-08-27 08:01:47 -07:00
hash_info.h
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hdlc.h
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hdlcdrv.h
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hdreg.h
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hid.h
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hiddev.h
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hidraw.h HID: hidraw: add support uniq ioctl 2019-12-11 15:31:52 +01:00
hpet.h
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hsr_netlink.h hsr: enhance netlink socket interface to support PRP 2020-07-27 12:20:40 -07:00
hw_breakpoint.h
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hyperv.h hyperv: hyperv.h: drop a duplicated word 2020-07-23 17:55:20 +00:00
i2c-dev.h
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i2c.h
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i2o-dev.h
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i8k.h
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icmp.h icmp: support rfc 4884 2020-07-19 19:20:22 -07:00
icmpv6.h icmp6: support rfc 4884 2020-07-24 17:12:41 -07:00
idxd.h Merge branch 'for-linus' into fixes 2020-08-05 19:02:07 +05:30
if.h net: Add IF_OPER_TESTING 2020-04-20 12:43:24 -07:00
if_addr.h
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if_addrlabel.h
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if_alg.h crypto: af_alg - add extra parameters for DRBG interface 2020-09-25 17:48:52 +10:00
if_arcnet.h uapi: revert flexible-array conversions 2020-05-04 11:30:15 -05:00
if_arp.h
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if_bonding.h bonding: rename AD_STATE_* to LACP_STATE_* 2019-12-26 13:09:37 -08:00
if_bridge.h net: bridge: mcast: add support for blocked port groups 2020-09-23 13:24:34 -07:00
if_cablemodem.h
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if_eql.h
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if_ether.h bridge: uapi: mrp: Add mrp attributes. 2020-04-27 11:40:25 -07:00
if_fc.h
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if_fddi.h
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if_frad.h
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if_hippi.h
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if_infiniband.h
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if_link.h net: remove comments on struct rtnl_link_stats 2020-09-17 17:58:13 -07:00
if_ltalk.h
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if_macsec.h macsec: Netlink support of XPN cipher suites (IEEE 802.1AEbw) 2020-03-16 01:42:31 -07:00
if_packet.h
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if_phonet.h
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if_plip.h
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if_ppp.h
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if_pppol2tp.h l2tp: remove tunnel and session debug flags field 2020-08-22 12:44:37 -07:00
if_pppox.h
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if_slip.h
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if_team.h
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if_tun.h
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if_tunnel.h
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if_vlan.h
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if_x25.h docs: networking: convert x25-iface.txt to ReST 2020-05-01 12:24:40 -07:00
if_xdp.h xsk: Add new statistics 2020-07-13 15:32:56 -07:00
ife.h
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igmp.h
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ila.h
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in.h net: Fix some comments 2020-08-27 07:55:59 -07:00
in6.h icmp6: support rfc 4884 2020-07-24 17:12:41 -07:00
in_route.h
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inet_diag.h ip: expose inet sockopts through inet_diag 2020-09-03 15:17:28 -07:00
inotify.h
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input-event-codes.h Input: allocate keycode for Fn + right shift 2020-09-08 16:31:14 -07:00
input.h Input: input_event - fix struct padding on sparc64 2019-12-13 15:00:36 -08:00
io_uring.h io_uring: provide IORING_ENTER_SQ_WAIT for SQPOLL SQ ring waits 2020-09-30 20:32:33 -06:00
ioctl.h
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iommu.h iommu/vt-d: Check UAPI data processed by IOMMU core 2020-10-01 14:52:46 +02:00
ip.h
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ip6_tunnel.h
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ip_vs.h
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ipc.h
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ipmi.h
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ipmi_bmc.h treewide: add "WITH Linux-syscall-note" to SPDX tag of uapi headers 2019-07-25 11:05:10 +02:00
ipmi_msgdefs.h ipmi:msghandler: retry to get device id on an error 2020-09-15 09:57:45 -05:00
ipsec.h
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ipv6.h net: ipv6: add support for rpl sr exthdr 2020-03-29 22:30:57 -07:00
ipv6_route.h
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ipx.h
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irqnr.h
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iso_fs.h
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isst_if.h platform/x86: ISST: drop a duplicated word in isst_if.h 2020-07-27 16:34:12 +03:00
ivtv.h
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ivtvfb.h
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jffs2.h jffs2: Remove C++ style comments from uapi header 2019-08-22 17:24:51 +02:00
joystick.h
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kcm.h
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kcmp.h
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kcov.h kcov: fix struct layout for kcov_remote_arg 2020-01-04 13:55:09 -08:00
kd.h
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kdev_t.h
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kernel-page-flags.h
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kernel.h
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kernelcapi.h
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kexec.h parisc: add kexec syscall support 2019-09-08 15:37:04 +02:00
keyboard.h
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keyctl.h watch_queue: Add a key/keyring notification facility 2020-05-19 15:19:06 +01:00
kfd_ioctl.h include/uapi/linux: Fix indentation in kfd_smi_event enum 2020-08-31 14:40:29 -04:00
kvm.h kvm: x86: only provide PV features if enabled in guest's CPUID 2020-10-21 17:36:32 -04:00
kvm_para.h
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l2tp.h l2tp: report rx cookie discards in netlink get 2020-09-29 13:26:36 -07:00
libc-compat.h
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lightnvm.h
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limits.h
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lirc.h
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llc.h
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loop.h loop: Add LOOP_CONFIGURE ioctl 2020-05-21 08:20:35 -06:00
lp.h
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lwtunnel.h net: ipv6: add rpl sr tunnel 2020-03-29 22:30:57 -07:00
magic.h /dev/mem: Revoke mappings when a driver claims the region 2020-05-27 11:10:05 +02:00
major.h
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map_to_7segment.h include/: replace HTTP links with HTTPS ones 2020-08-12 10:57:59 -07:00
matroxfb.h
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max2175.h
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mdio.h net: phy: add USXGMII link partner ability constants 2020-07-19 18:05:49 -07:00
media-bus-format.h media: v4l: Add 1X14 14-bit greyscale media bus code definition 2020-03-20 09:01:16 +01:00
media.h
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mei.h mei: add connect with vtag ioctl 2020-08-18 15:44:44 +02:00
membarrier.h rseq/membarrier: Add MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ 2020-09-25 14:23:27 +02:00
memfd.h
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mempolicy.h
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meye.h
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mii.h ethtool: provide UAPI for PHY master/slave configuration. 2020-05-06 17:45:45 -07:00
minix_fs.h
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mman.h powerpc/8xx: Support 16k hugepages with 4k pages 2020-09-15 22:13:31 +10:00
mmtimer.h
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module.h
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mount.h Add a "nosymfollow" mount option. 2020-08-27 16:06:47 -04:00
mpls.h
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mpls_iptunnel.h
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mptcp.h mptcp: add MPTCP socket diag interface 2020-07-09 12:38:41 -07:00
mqueue.h
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mroute.h ipmr: Add high byte of VIF ID to igmpmsg 2020-09-10 12:25:51 -07:00
mroute6.h
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mrp_bridge.h bridge: uapi: mrp: Extend MRP attributes for MRP interconnect 2020-07-14 13:46:42 -07:00
msdos_fs.h
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msg.h y2038: uapi: change __kernel_time_t to __kernel_old_time_t 2019-11-15 14:38:29 +01:00
mtio.h
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n_r3964.h
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nbd-netlink.h
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nbd.h
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ncsi.h
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ndctl.h ACPI: NFIT: Define runtime firmware activation commands 2020-07-25 19:34:47 -06:00
neighbour.h net: bridge: add a flag to avoid refreshing fdb when changing/adding 2020-06-24 14:36:33 -07:00
net.h
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net_dropmon.h uapi: revert flexible-array conversions 2020-05-04 11:30:15 -05:00
net_namespace.h
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net_tstamp.h ethtool: add timestamping related string sets 2020-03-29 22:32:36 -07:00
netconf.h
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netdevice.h
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netfilter.h netfilter: restore NF_INET_NUMHOOKS 2020-10-14 20:28:05 -07:00
netfilter_arp.h
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netfilter_bridge.h
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netfilter_decnet.h
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netfilter_ipv4.h
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netfilter_ipv6.h
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netlink.h netlink: export policy in extended ACK 2020-10-09 20:22:32 -07:00
netlink_diag.h
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netrom.h
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nexthop.h nexthop: support for fdb ecmp nexthops 2020-05-22 14:00:38 -07:00
nfc.h
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nfs.h
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nfs2.h
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nfs3.h
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nfs4.h NFSv4.2: support EXCHGID4_FLAG_SUPP_FENCE_OPS 4.2 EXCHANGE_ID flag 2020-10-16 09:28:43 -04:00
nfs4_mount.h
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nfs_fs.h NFSv4.2: add client side xattr caching. 2020-07-13 17:52:46 -04:00
nfs_idmap.h
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nfs_mount.h
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nfsacl.h NFSACL: Replace PROC() macro with open code 2020-10-02 09:37:41 -04:00
nilfs2_api.h
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nilfs2_ondisk.h nilfs2: do not use unexported cpu_to_le32()/le32_to_cpu() in uapi header 2019-07-12 11:05:40 -07:00
nitro_enclaves.h nitro_enclaves: Add ioctl interface definition 2020-09-22 13:58:40 +02:00
nl80211.h nl80211: extend support to config spatial reuse parameter set 2020-09-28 15:07:41 +02:00
nsfs.h
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nubus.h
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nvme_ioctl.h nvme: change nvme_passthru_cmd64 to explicitly mark rsvd 2019-11-06 06:17:38 +09:00
nvram.h
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omap3isp.h
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omapfb.h
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oom.h
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openat2.h open: introduce openat2(2) syscall 2020-01-18 09:19:18 -05:00
openvswitch.h net: openvswitch: make masks cache size configurable 2020-08-03 15:17:48 -07:00
packet_diag.h
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param.h
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parport.h
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patchkey.h
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pci.h
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pci_regs.h Merge branch 'remotes/lorenzo/pci/dwc' 2020-10-21 09:58:39 -05:00
pcitest.h misc: pci_endpoint_test: Add ioctl to clear IRQ 2020-04-02 17:57:10 +01:00
perf_event.h perf: correct SNOOPX field offset 2020-10-19 19:39:22 +02:00
personality.h
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pfkeyv2.h
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pg.h block: pg: add header include guard 2019-10-02 20:32:27 -06:00
phantom.h
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phonet.h
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pidfd.h pidfd: support PIDFD_NONBLOCK in pidfd_open() 2020-09-04 12:34:50 +02:00
pkt_cls.h net/sched: cls_flower: Add hash info to flow classification 2020-07-24 15:23:31 -07:00
pkt_sched.h net: sched: sch_red: Add qevents "early_drop" and "mark" 2020-06-29 17:08:28 -07:00
pktcdvd.h
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pmu.h
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poll.h
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posix_acl.h
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posix_acl_xattr.h
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posix_types.h
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ppdev.h ppdev: add header include guard 2019-07-30 20:34:34 +02:00
ppp-comp.h
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ppp-ioctl.h compat_ioctl: handle PPPIOCGIDLE for 64-bit time_t 2019-10-23 17:23:47 +02:00
ppp_defs.h y2038: syscall implementation cleanups 2019-12-01 14:00:59 -08:00
pps.h
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pr.h
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prctl.h kernel: Implement selective syscall userspace redirection 2020-12-02 15:07:56 +01:00
psample.h net: psample: Add tunnel support 2020-05-21 17:04:07 -07:00
psci.h
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psp-sev.h crypto: ccp - Add support for SEV-ES to the PSP driver 2020-04-30 15:19:33 +10:00
ptp_clock.h ptp: introduce a phase offset in the periodic output request 2020-07-19 19:22:56 -07:00
ptrace.h ptrace: add PTRACE_GET_SYSCALL_INFO request 2019-07-16 19:23:24 -07:00
qemu_fw_cfg.h
…
qnx4_fs.h
…
qnxtypes.h
…
qrtr.h
…
quota.h
…
radeonfb.h
…
random.h random: ignore GRND_RANDOM in getentropy(2) 2020-01-07 16:07:01 -05:00
raw.h char: raw: do not leak CONFIG_MAX_RAW_DEVS to userspace 2020-07-10 14:50:51 +02:00
rds.h rds: transport module should be auto loaded when transport is set 2020-06-25 16:26:25 -07:00
reboot.h
…
reiserfs_fs.h
…
reiserfs_xattr.h
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remoteproc_cdev.h remoteproc: Add remoteproc character device interface 2020-08-04 20:16:37 -07:00
resource.h y2038: rusage: use __kernel_old_timeval 2019-11-15 14:38:29 +01:00
rfkill.h
…
rio_cm_cdev.h
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rio_mport_cdev.h
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romfs_fs.h
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rose.h
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route.h
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rpl.h include: uapi: linux: add rpl sr header definition 2020-03-29 22:30:57 -07:00
rpl_iptunnel.h net: ipv6: add rpl sr tunnel 2020-03-29 22:30:57 -07:00
rpmsg.h
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rseq.h
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rtc.h rtc: add new VL flag for backup switchover 2020-05-11 16:04:35 +02:00
rtnetlink.h bridge: Extend br_fill_ifinfo to return MPR status 2020-07-02 14:19:15 -07:00
rxrpc.h rxrpc: Fix accept on a connection that need securing 2020-10-05 16:35:57 +01:00
scc.h linux/scc.h: make uapi linux/scc.h self-contained 2019-12-04 19:44:12 -08:00
sched.h clone3: allow spawning processes into cgroups 2020-02-12 17:57:51 -05:00
scif_ioctl.h
…
screen_info.h
…
sctp.h sctp: add SCTP_PEER_ADDR_THLDS_V2 sockopt 2019-11-08 14:18:32 -08:00
sdla.h
…
seccomp.h seccomp: Introduce addfd ioctl to seccomp user notifier 2020-07-14 16:29:42 -07:00
securebits.h
…
sed-opal.h block: sed-opal: Add support to read/write opal tables generically 2019-11-04 07:11:31 -07:00
seg6.h
…
seg6_genl.h
…
seg6_hmac.h
…
seg6_iptunnel.h seg6_iptunnel: Refactor seg6_lwt_headroom out of uapi header 2020-08-03 17:57:40 -07:00
seg6_local.h
…
selinux_netlink.h
…
sem.h y2038: uapi: change __kernel_time_t to __kernel_old_time_t 2019-11-15 14:38:29 +01:00
serial.h
…
serial_core.h serial: Remove duplicated macro definition of port type 2020-07-06 14:06:08 +02:00
serial_reg.h
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serio.h Input: avoid BIT() macro usage in the serio.h UAPI header 2020-03-24 15:59:34 -07:00
shm.h y2038: uapi: change __kernel_time_t to __kernel_old_time_t 2019-11-15 14:38:29 +01:00
signal.h
…
signalfd.h
…
smc.h
…
smc_diag.h
…
smiapp.h
…
snmp.h tcp: skip DSACKs with dubious sequence ranges 2020-09-24 20:15:45 -07:00
sock_diag.h bpf: INET_DIAG support in bpf_sk_storage 2020-02-27 18:50:19 -08:00
socket.h net/socket: fix GCC8+ Wpacked-not-aligned warnings 2019-08-03 11:02:46 -07:00
sockios.h
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sonet.h
…
sonypi.h
…
sound.h
…
soundcard.h
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stat.h New code for 5.8: 2020-06-02 19:45:12 -07:00
stddef.h
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stm.h
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string.h
…
suspend_ioctls.h
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swab.h include/uapi/linux/swab.h: fix userspace breakage, use __BITS_PER_LONG for swap 2020-02-21 11:22:15 -08:00
switchtec_ioctl.h PCI/switchtec: Add Gen4 flash information interface support 2020-01-15 11:00:39 -06:00
sync_file.h
…
synclink.h
…
sysctl.h mm: fix comments related to node reclaim 2020-01-31 10:30:39 -08:00
sysinfo.h
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target_core_user.h scsi: target: tcmu: Implement tmr_notify callback 2020-07-28 22:25:30 -04:00
taskstats.h tsacct: add 64-bit btime field 2019-12-18 18:07:31 +01:00
tcp.h tcp: add earliest departure time to SCM_TIMESTAMPING_OPT_STATS 2020-07-31 17:00:44 -07:00
tcp_metrics.h
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tee.h driver: tee: Handle NULL pointer indication from client 2020-08-21 08:55:13 +02:00
termios.h
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thermal.h thermal: core: genetlink support for events/cmd/sampling 2020-07-07 15:55:21 +02:00
time.h y2038: hide timeval/timespec/itimerval/itimerspec types 2020-02-21 11:22:15 -08:00
time_types.h y2038: rename itimerval to __kernel_old_itimerval 2019-12-18 18:07:33 +01:00
timerfd.h
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times.h
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timex.h y2038: sparc: remove use of struct timex 2019-12-18 18:07:33 +01:00
tiocl.h
…
tipc.h tipc: add automatic rekeying for encryption key 2020-09-18 13:58:37 -07:00
tipc_config.h net, uapi: fix -Wpointer-arith warnings 2019-10-04 14:25:17 -07:00
tipc_netlink.h tipc: add automatic rekeying for encryption key 2020-09-18 13:58:37 -07:00
tipc_sockets_diag.h
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tls.h net: tls: export protocol version, cipher, tx_conf/rx_conf to socket diag 2019-08-31 23:44:28 -07:00
toshiba.h
…
tty.h
…
tty_flags.h
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types.h include/: replace HTTP links with HTTPS ones 2020-08-12 10:57:59 -07:00
udf_fs_i.h
…
udmabuf.h
…
udp.h xfrm: add espintcp (RFC 8229) 2019-12-09 09:59:07 +01:00
uhid.h
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uinput.h
…
uio.h
…
uleds.h
…
ultrasound.h
…
um_timetravel.h um: Implement time-travel=ext 2020-03-29 23:29:08 +02:00
un.h
…
unistd.h
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unix_diag.h
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usbdevice_fs.h USB: usbfs: Add a capability flag for runtime suspend 2019-08-14 16:52:13 +02:00
usbip.h
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userfaultfd.h userfaultfd: wp: enabled write protection in userfaultfd API 2020-04-07 10:43:39 -07:00
userio.h
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utime.h y2038: uapi: change __kernel_time_t to __kernel_old_time_t 2019-11-15 14:38:29 +01:00
utsname.h
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uuid.h
…
uvcvideo.h
…
v4l2-common.h
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v4l2-controls.h media: v4l2-ctrl: Add VP9 codec levels 2020-09-14 15:39:42 +02:00
v4l2-dv-timings.h
…
v4l2-mediabus.h media: v4l2: extend the CSC API to subdevice. 2020-09-26 10:22:29 +02:00
v4l2-subdev.h media: v4l2: extend the CSC API to subdevice. 2020-09-26 10:22:29 +02:00
vbox_err.h
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vbox_vmmdev_types.h virt: vbox: Add a few new vmmdev request types to the userspace whitelist 2020-07-10 13:45:32 +02:00
vboxguest.h virt: vbox: Add support for the new VBG_IOCTL_ACQUIRE_GUEST_CAPABILITIES ioctl 2020-07-10 13:45:32 +02:00
veth.h
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vfio.h Merge branches 'v5.10/vfio/fsl-mc-v6' and 'v5.10/vfio/zpci-info-v3' into v5.10/vfio/next 2020-10-12 11:41:02 -06:00
vfio_ccw.h vfio-ccw: Introduce a new CRW region 2020-06-03 11:27:43 +02:00
vfio_zdev.h vfio: Introduce capability definitions for VFIO_DEVICE_GET_INFO 2020-10-07 14:23:44 -06:00
vhost.h vhost: vdpa: report iova range 2020-10-23 11:55:28 -04:00
vhost_types.h vhost: vdpa: report iova range 2020-10-23 11:55:28 -04:00
videodev2.h Linux 5.9-rc7 2020-10-04 12:19:12 +02:00
virtio_9p.h virtio_9p: correct tags for config space fields 2020-08-05 09:30:19 -04:00
virtio_balloon.h virtio_balloon: correct tags for config space fields 2020-08-05 09:30:20 -04:00
virtio_blk.h virtio_blk: correct tags for config space fields 2020-08-05 11:08:39 -04:00
virtio_config.h virtio: VIRTIO_F_IOMMU_PLATFORM -> VIRTIO_F_ACCESS_PLATFORM 2020-08-03 16:11:42 -04:00
virtio_console.h virtio_console: correct tags for config space fields 2020-08-05 11:08:39 -04:00
virtio_crypto.h virtio_crypto: correct tags for config space fields 2020-08-05 11:08:39 -04:00
virtio_fs.h virtiofs: set up virtio_fs dax_device 2020-09-10 11:39:22 +02:00
virtio_gpu.h Linux 5.9-rc1 2020-08-18 14:14:25 +02:00
virtio_ids.h virtio-mem: Paravirtualized memory hotplug 2020-06-04 15:36:52 -04:00
virtio_input.h virtio_input: correct tags for config space fields 2020-08-05 11:08:40 -04:00
virtio_iommu.h virtio_iommu: correct tags for config space fields 2020-08-05 11:08:40 -04:00
virtio_mem.h virtio_mem: correct tags for config space fields 2020-08-05 11:08:40 -04:00
virtio_mmio.h virtio: Implement get_shm_region for MMIO transport 2020-09-10 10:05:58 +02:00
virtio_net.h virtio_net: use LE accessors for speed/duplex 2020-08-05 11:08:41 -04:00
virtio_pci.h virtio: Implement get_shm_region for PCI transport 2020-09-10 10:05:58 +02:00
virtio_pmem.h virtio_pmem: correct tags for config space fields 2020-08-05 11:08:40 -04:00
virtio_ring.h virtio: force spec specified alignment on types 2020-06-02 02:45:13 -04:00
virtio_rng.h
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virtio_scsi.h virtio_scsi: correct tags for config space fields 2020-08-05 11:08:40 -04:00
virtio_types.h
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virtio_vsock.h
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vm_sockets.h vsock: add VMADDR_CID_LOCAL definition 2019-12-11 15:01:23 -08:00
vm_sockets_diag.h
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vmcore.h treewide: add "WITH Linux-syscall-note" to SPDX tag of uapi headers 2019-07-25 11:05:10 +02:00
vsockmon.h
…
vt.h
…
vtpm_proxy.h
…
wait.h pidfd: add P_PIDFD to waitid() 2019-08-01 21:49:46 +02:00
watch_queue.h watch_queue: Add a key/keyring notification facility 2020-05-19 15:19:06 +01:00
watchdog.h
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wimax.h
…
wireguard.h wireguard: global: fix spelling mistakes in comments 2019-12-16 19:22:22 -08:00
wireless.h net/wireless: wireless.h: drop duplicate word in comments 2020-07-31 09:24:23 +02:00
wmi.h treewide: add "WITH Linux-syscall-note" to SPDX tag of uapi headers 2019-07-25 11:05:10 +02:00
x25.h
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xattr.h ext4: support xattr gnu.* namespace for the Hurd 2020-06-12 13:23:34 -04:00
xdp_diag.h xsk: Add xdp statistics to xsk_diag 2020-07-13 15:32:56 -07:00
xfrm.h xfrm: introduce oseq-may-wrap flag 2020-06-24 07:51:01 +02:00
xilinx-v4l2-controls.h
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zorro.h
…
zorro_ids.h
…