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Daniel Borkmann 527bc99584
bpf: make jited programs visible in traces 
Long standing issue with JITed programs is that stack traces from
function tracing check whether a given address is kernel code
through {__,}kernel_text_address(), which checks for code in core
kernel, modules and dynamically allocated ftrace trampolines. But
what is still missing is BPF JITed programs (interpreted programs
are not an issue as __bpf_prog_run() will be attributed to them),
thus when a stack trace is triggered, the code walking the stack
won't see any of the JITed ones. The same for address correlation
done from user space via reading /proc/kallsyms. This is read by
tools like perf, but the latter is also useful for permanent live
tracing with eBPF itself in combination with stack maps when other
eBPF types are part of the callchain. See offwaketime example on
dumping stack from a map.

This work tries to tackle that issue by making the addresses and
symbols known to the kernel. The lookup from *kernel_text_address()
is implemented through a latched RB tree that can be read under
RCU in fast-path that is also shared for symbol/size/offset lookup
for a specific given address in kallsyms. The slow-path iteration
through all symbols in the seq file done via RCU list, which holds
a tiny fraction of all exported ksyms, usually below 0.1 percent.
Function symbols are exported as bpf_prog_<tag>, in order to aide
debugging and attribution. This facility is currently enabled for
root-only when bpf_jit_kallsyms is set to 1, and disabled if hardening
is active in any mode. The rationale behind this is that still a lot
of systems ship with world read permissions on kallsyms thus addresses
should not get suddenly exposed for them. If that situation gets
much better in future, we always have the option to change the
default on this. Likewise, unprivileged programs are not allowed
to add entries there either, but that is less of a concern as most
such programs types relevant in this context are for root-only anyway.
If enabled, call graphs and stack traces will then show a correct
attribution; one example is illustrated below, where the trace is
now visible in tooling such as perf script --kallsyms=/proc/kallsyms
and friends.

Before:

  7fff8166889d bpf_clone_redirect+0x80007f0020ed (/lib/modules/4.9.0-rc8+/build/vmlinux)
         f5d80 __sendmsg_nocancel+0xffff006451f1a007 (/usr/lib64/libc-2.18.so)

After:

  7fff816688b7 bpf_clone_redirect+0x80007f002107 (/lib/modules/4.9.0-rc8+/build/vmlinux)
  7fffa0575728 bpf_prog_33c45a467c9e061a+0x8000600020fb (/lib/modules/4.9.0-rc8+/build/vmlinux)
  7fffa07ef1fc cls_bpf_classify+0x8000600020dc (/lib/modules/4.9.0-rc8+/build/vmlinux)
  7fff81678b68 tc_classify+0x80007f002078 (/lib/modules/4.9.0-rc8+/build/vmlinux)
  7fff8164d40b __netif_receive_skb_core+0x80007f0025fb (/lib/modules/4.9.0-rc8+/build/vmlinux)
  7fff8164d718 __netif_receive_skb+0x80007f002018 (/lib/modules/4.9.0-rc8+/build/vmlinux)
  7fff8164e565 process_backlog+0x80007f002095 (/lib/modules/4.9.0-rc8+/build/vmlinux)
  7fff8164dc71 net_rx_action+0x80007f002231 (/lib/modules/4.9.0-rc8+/build/vmlinux)
  7fff81767461 __softirqentry_text_start+0x80007f0020d1 (/lib/modules/4.9.0-rc8+/build/vmlinux)
  7fff817658ac do_softirq_own_stack+0x80007f00201c (/lib/modules/4.9.0-rc8+/build/vmlinux)
  7fff810a2c20 do_softirq+0x80007f002050 (/lib/modules/4.9.0-rc8+/build/vmlinux)
  7fff810a2cb5 __local_bh_enable_ip+0x80007f002085 (/lib/modules/4.9.0-rc8+/build/vmlinux)
  7fff8168d452 ip_finish_output2+0x80007f002152 (/lib/modules/4.9.0-rc8+/build/vmlinux)
  7fff8168ea3d ip_finish_output+0x80007f00217d (/lib/modules/4.9.0-rc8+/build/vmlinux)
  7fff8168f2af ip_output+0x80007f00203f (/lib/modules/4.9.0-rc8+/build/vmlinux)
  [...]
  7fff81005854 do_syscall_64+0x80007f002054 (/lib/modules/4.9.0-rc8+/build/vmlinux)
  7fff817649eb return_from_SYSCALL_64+0x80007f002000 (/lib/modules/4.9.0-rc8+/build/vmlinux)
         f5d80 __sendmsg_nocancel+0xffff01c484812007 (/usr/lib64/libc-2.18.so)

Change-Id: Ied10f8ade48a833d5e222b0c7621663f9df20a5a
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
2024-09-25 16:54:39 +03:00
..
80211 docs-rst: sphinxify 802.11 documentation 2016-10-11 16:19:17 -06:00
ABI f2fs: Add f2fs stats to sysfs 2023-02-21 00:21:54 +03:00
accounting FROMLIST: psi: introduce psi monitor 2019-03-23 00:29:15 +00:00
acpi Merge branches 'acpi-button', 'acpi-battery' and 'acpi-doc' 2016-10-02 01:40:20 +02:00
aoe aoe: remove do-nothing NAME="%k" term from example udev rules 2013-09-11 15:59:28 -07:00
arm Merge 4.9.212 branch 'android-4.9-q' into tw10-android-4.9-q 2020-02-12 12:32:38 +02:00
arm64 arm64: Add work around for Arm Cortex-A55 Erratum 1024718 2018-05-16 10:08:42 +02:00
auxdisplay samples: move auxdisplay example code from Documentation 2016-09-23 11:52:32 -06:00
backlight
blackfin samples: move blackfin gptimers-example from Documentation 2016-10-10 07:12:02 -06:00
block ANDROID: mmc: Add CONFIG_MMC_SIMULATE_MAX_SPEED 2017-01-27 13:54:59 -08:00
blockdev UPSTREAM: zram: idle writeback fixes and cleanup 2019-02-01 09:26:56 +00:00
bus-devices ARM: OMAP2+: gpmc: generic timing calculation 2012-11-09 18:07:11 +05:30
cdrom doc: fix broken references 2011-09-27 18:08:04 +02:00
cgroup-v1 Three fixes for the docs build, including removing an annoying warning on 2016-08-07 10:23:17 -04:00
cma
connector
console
cpu-freq FROMLIST: cpufreq: Add android's 'interactive' governor 2017-01-31 10:47:32 -08:00
cpuidle
cris
crypto crypto: doc - Fix typo 2016-05-31 16:41:55 +08:00
dev-tools mm: kmemleak: avoid using __va() on addresses that don't have a lowmem mapping 2016-10-11 15:06:33 -07:00
development-process docs-rst: add inter-document cross references 2016-09-21 15:43:09 -06:00
device-mapper Merge 4.9.212 branch 'android-4.9-q' into tw10-android-4.9-q 2020-02-12 12:32:38 +02:00
devicetree trusty-irq: Add support for secure interrupt mapping 2023-02-21 00:26:10 +03:00
dmaengine dmaengine: documentation to the new callback mechanism 2016-08-08 08:11:42 +05:30
DocBook A single commit converting the mac80211 DocBook template over to Sphinx. 2016-10-14 14:11:22 -07:00
driver-api docs: Don't format internal MPT docs 2016-09-06 09:15:48 -06:00
driver-model power supply and reset changes for the v4.9 series 2016-10-06 18:21:15 -07:00
early-userspace Documentation: remove reference to 2.7 kernel in early-userspace 2013-08-20 12:47:28 +02:00
EDID drm: Add 800x600 (SVGA) screen resolution to the built-in EDIDs 2014-05-26 12:53:40 +10:00
extcon extcon: fix switch class porting guide (Documentation) 2014-01-07 11:54:28 +09:00
fault-injection
fb
features Documentation: MIPS supports HAVE_REGS_AND_STACK_ACCESS_API 2016-10-13 17:19:19 +02:00
filesystems f2fs: Add option to limit required GC for checkpoint=disable 2023-09-16 16:46:54 +03:00
firmware_class Documentation: fix common spelling mistakes 2016-04-28 07:51:59 -06:00
fmc
fpga
frv doc: fix broken references 2011-09-27 18:08:04 +02:00
gpio gpio/board.txt: point to gpiod_set_value 2016-10-20 14:14:11 +02:00
gpu UPSTREAM: drm/fences: add DOC: for explicit fencing 2017-05-23 15:47:18 -07:00
hid HID: doc: fix wrong data structure reference for UHID_OUTPUT 2019-12-05 15:34:33 +01:00
hw-vuln x86/speculation: Fix incorrect MDS/TAA mitigation status 2019-11-28 18:29:03 +01:00
hwmon hwmon: (ina2xx) fix sysfs shunt resistor read access 2018-10-03 17:01:52 -07:00
i2c i2c: Documentation: i2c-topology: fix minor whitespace nit 2016-11-10 21:18:56 +01:00
ia64 selftests: move ia64 tests from Documentation/ia64 2016-09-20 09:58:12 -06:00
ide Documentation/: update 00-INDEX files 2014-02-10 16:01:40 -08:00
iio iio: Documentation: Correct the path used to create triggers. 2016-10-01 00:49:58 -06:00
infiniband IB/hfi1: Document new sysfs entries for hfi1 driver 2016-10-02 08:42:19 -04:00
input UPSTREAM: HID: sony: Report DS4 motion sensors through a separate device 2018-10-24 17:03:59 -07:00
ioctl BACKPORT: tee: generic TEE subsystem 2017-12-05 14:00:37 +00:00
isdn isdn: i4l: move active-isdn drivers to staging 2016-03-05 15:00:38 -08:00
ja_JP
kbuild BACKPORT: kbuild: support LLVM=1 to switch the default tools to Clang/LLVM 2023-04-30 22:09:47 +03:00
kdump Documentation: kdump: Add description of enable multi-cpus support 2016-09-20 18:02:54 -06:00
ko_KR locking/Documentation: Add Korean translation 2016-08-12 08:24:14 +02:00
laptops tools: move laptops dslm tool from Documentation 2016-09-23 13:07:21 -06:00
leds Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds 2016-10-04 10:25:53 -07:00
livepatch Documentation: livepatch: add section about arch-specific code 2016-08-18 23:41:56 +02:00
locking locking/lglock: Remove lglock implementation 2016-09-22 15:25:56 +02:00
m68k Documentation/: update 00-INDEX files 2014-02-10 16:01:40 -08:00
media videodev2.h: go back to limited range Y'CbCr for SRGB and, ADOBERGB 2017-02-23 17:44:37 +01:00
memory-devices
metag
mic samples: move mic/mpssd example code from Documentation 2016-09-20 12:38:48 -06:00
mips
misc-devices samples: move misc-devices/mei example code from Documentation 2016-09-23 11:51:43 -06:00
mmc mmc: core: Extend sysfs with DSR register 2016-07-25 10:34:51 +02:00
mn10300
mtd Documentation: mtd: improve nand_ecc.txt for readability and correctness 2015-11-17 17:05:14 -08:00
namespaces userns: Recommend use of memory control groups. 2013-01-26 22:20:06 -08:00
netlabel
networking Merge 4.9.212 branch 'android-4.9-q' into tw10-android-4.9-q 2020-02-12 12:32:38 +02:00
nfc NFC: Fix typo in nfc-hci.txt 2015-06-08 23:15:45 +02:00
nios2 Documentation: Add documentation for Nios2 architecture 2014-12-08 12:56:06 +08:00
nvdimm
nvmem
parisc parisc: document the shadow registers 2013-07-09 22:09:19 +02:00
PCI PCI changes for the v4.9 merge window: 2016-10-07 11:46:37 -07:00
pcmcia tools: move pcmcia crc32hash tool from Documentation 2016-09-23 13:07:27 -06:00
perf perf: xgene: Add APM X-Gene SoC Performance Monitoring Unit driver 2016-09-15 11:20:55 -07:00
phy
platform
power power supply and reset changes for the v4.9 series 2016-10-06 18:21:15 -07:00
powerpc powerpc updates for 4.9 2016-10-07 20:19:31 -07:00
pps Documentation: pps: fix spelling mistake 2016-04-28 07:23:59 -06:00
prctl selftests: move prctl tests from Documentation/prctl 2016-09-20 09:09:09 -06:00
pti Kernel documentation for the PTI feature. 2011-05-13 16:31:00 -07:00
ptp selftests: move ptp tests from Documentation/ptp 2016-09-20 09:54:38 -06:00
rapidio rapidio/documentation/mport_cdev: add missing parameter description 2016-09-01 17:52:02 -07:00
RCU kthread: kthread worker API cleanup 2016-10-11 15:06:33 -07:00
s390
scheduler sched: fair: Add support to PELT ramp/decay timings 2023-08-10 03:17:33 +03:00
scsi scsi: g_NCR5380: Stop using scsi_module.c 2016-09-29 21:52:43 -04:00
security f2fs: catch up to v4.14-rc1 2017-10-13 11:27:08 +00:00
serial Documentation: rs485: Do not define manually the ioctl 2016-08-18 11:08:33 -06:00
sh sh: clkfwk: Kill off unused clk_set_rate_ex(). 2010-11-15 18:25:12 +09:00
sound ASoC: Updates for v4.8 2016-07-26 10:35:31 +02:00
sphinx docs: sphinx-extensions: make rstFlatTable work with docutils 0.13 2017-01-09 08:32:18 +01:00
sphinx-static This is the documentation update pull for the 4.9 merge window. 2016-10-04 13:54:07 -07:00
spi Doc: update 00-INDEX files to reflect the runnable code move 2016-10-10 07:12:09 -06:00
sysctl bpf: make jited programs visible in traces 2024-09-25 16:54:39 +03:00
target target: make close_session optional 2016-05-10 01:19:26 -07:00
thermal thermal: Add support for hardware-tracked trip points 2016-09-27 14:02:16 +08:00
timers Doc: update 00-INDEX files to reflect the runnable code move 2016-10-10 07:12:09 -06:00
tpm tpm: Add documentation for the tpm_vtpm_proxy device driver 2016-06-25 17:26:35 +03:00
trace UPSTREAM: trace: Update documentation for mono, mono_raw and boot clock 2017-01-27 13:55:48 -08:00
usb USB: rio500: Remove Rio 500 kernel driver 2019-10-17 13:42:26 -07:00
virtual kvm: Convert kvm_lock to a mutex 2019-11-16 10:29:49 +01:00
vm ksm: Provide support to use deferred timers for scanner thread 2023-02-21 00:19:41 +03:00
w1 w1: add ability to set (SRAM) and store (EEPROM) configuration for temp sensors like DS18B20 2016-05-01 14:37:49 -07:00
watchdog linux-kselftest-4.9-rc1-update 2016-10-14 15:17:12 -07:00
wimax i2400m: documentation and instructions for usage 2009-01-07 10:00:18 -08:00
x86 x86/speculation/taa: Add documentation for TSX Async Abort 2019-11-16 10:29:46 +01:00
xtensa xtensa: cleanup MMU setup and kernel layout macros 2016-07-24 06:33:58 +03:00
zh_CN import G965FXXU7DTAA OSRC 2020-02-04 13:50:09 +02:00
.gitignore Add .pyc files to .gitignore 2016-06-30 13:07:33 -06:00
00-INDEX BACKPORT: Documentation: tee subsystem and op-tee driver 2017-12-05 14:00:47 +00:00
adding-syscalls.txt documentation: trivial typo: adding-syscalls.txt: s/statat/fstatat/ 2016-04-18 11:31:49 -06:00
android.txt ANDROID: pstore: Update Documentation/android.txt 2017-01-27 13:52:20 -08:00
applying-patches.txt docs: Clean up bare :: lines 2016-09-20 18:46:36 -06:00
assoc_array.txt KEYS: Fix multiple key add into associative array 2013-12-02 11:24:18 +00:00
atomic_ops.txt locking/atomics, cmpxchg: Privatize the inclusion of asm/cmpxchg.h 2015-09-13 10:35:46 +02:00
bad_memory.txt Document handling of bad memory 2008-12-03 16:09:53 -07:00
basic_profiling.txt [PATCH] oprofile: report anonymous region samples 2005-06-24 00:06:27 -07:00
bcache.txt
binfmt_misc.txt
braille-console.txt
bt8xxgpio.txt gpio: add bt8xxgpio driver 2008-07-25 10:53:30 -07:00
btmrvl.txt Bluetooth: Add documentation for Marvell Bluetooth driver 2009-08-22 14:25:32 -07:00
BUG-HUNTING Documentation: add hint about call traces & module symbols to BUG-HUNTING 2008-02-06 10:41:09 -08:00
bus-virt-phys-mapping.txt doc: fix broken references 2011-09-27 18:08:04 +02:00
cachetlb.txt rmap: drop support of non-linear mappings 2015-02-10 14:30:31 -08:00
cgroup-v2.txt BACKPORT: psi: cgroup support 2019-03-22 14:10:44 -07:00
Changes kbuild: verify that $DEPMOD is installed 2018-08-17 20:59:29 +02:00
circular-buffers.txt
clk.txt Documentation: clk: update file names containing referenced structures 2016-08-14 12:12:36 -06:00
CodeOfConflict URL changed for Linux Foundation TAB 2016-10-01 00:57:13 -06:00
CodingStyle docs: Remove space-before-label guidance from CodingStyle 2016-09-21 15:53:31 -06:00
conf.py docs: Fix conf.py for Sphinx 2.0 2019-06-11 12:22:43 +02:00
cpu-hotplug.txt Documentation: cpu-hotplug: Fix sysfs mount instructions 2015-12-10 11:35:30 -07:00
cpu-load.txt
cputopology.txt
crc32.txt crc32: move long comment about crc32 fundamentals to Documentation/ 2012-03-23 16:58:37 -07:00
dcdbas.txt
debugging-modules.txt Documentation: Clarify when module debugging actually works. 2008-02-03 15:27:38 +02:00
debugging-via-ohci1394.txt Doc: Change wikipedia's URL from http to https 2015-06-22 10:14:05 -06:00
dell_rbu.txt Fix common misspellings 2011-03-31 11:26:23 -03:00
devices.txt
digsig.txt crypto: digital signature verification support 2011-11-09 12:10:37 +02:00
DMA-API-HOWTO.txt Documentation: DMA-API-HOWTO: Fix a typo 2016-09-20 17:58:46 -06:00
DMA-API.txt dma-mapping: add dma_{map,unmap}_resource 2016-09-26 22:16:41 +05:30
DMA-attributes.txt dma-mapping: introduce the DMA_ATTR_NO_WARN attribute 2016-10-11 15:06:32 -07:00
dma-buf-sharing.txt
DMA-ISA-LPC.txt DMA-API: Clarify physical/bus address distinction 2014-05-20 16:54:21 -06:00
docutils.conf doc-rst: add docutils config file 2016-08-14 11:52:40 -06:00
dontdiff GCC plugin infrastructure 2016-06-07 22:57:10 +02:00
dynamic-debug-howto.txt
edac.txt EDAC: Remove references to bluesmoke.sourceforge.net 2015-11-26 14:46:06 +01:00
efi-stub.txt doc: efi-stub.txt: Fix arm64 paths 2015-12-14 15:24:03 +00:00
eisa.txt MCA: delete all remaining traces of microchannel bus support. 2012-05-17 19:06:13 -04:00
email-clients.txt Documentation/email-clients.txt: convert it to ReST markup 2016-09-21 15:41:50 -06:00
flexible-arrays.txt
futex-requeue-pi.txt doc: Fix misnamed FUTEX_CMP_REQUEUE_PI op constants 2015-01-19 12:05:32 +01:00
gcc-plugins.txt GCC plugin infrastructure 2016-06-07 22:57:10 +02:00
highuid.txt [SPARC]: Remove SunOS and Solaris binary support. 2008-04-21 15:10:15 -07:00
HOWTO docs: Clean up bare :: lines 2016-09-20 18:46:36 -06:00
hw_random.txt hwrng: doc - Fix device node name reference /dev/hw_random => /dev/hwrng 2015-09-21 22:00:41 +08:00
hwspinlock.txt hwspinlock/core: add device tree support 2015-05-02 09:54:30 +03:00
index.rst Documentation: Move L1TF to separate directory 2019-05-14 19:19:41 +02:00
init.txt init/main.c: improve usability in case of init binary failure 2010-03-06 11:26:29 -08:00
initrd.txt Documentation/initrd.txt: Change the location of util-linux 2012-05-25 16:18:34 +02:00
Intel-IOMMU.txt
intel_txt.txt Documentation: remove depends on CONFIG_EXPERIMENTAL 2013-01-11 11:38:03 -08:00
io-mapping.txt
io_ordering.txt
iostats.txt
IPMI.txt ipmi watchdog : add panic_wdt_timeout parameter 2015-11-16 06:28:43 -06:00
IRQ-affinity.txt doc: fix a typo about irq affinity 2013-08-20 12:59:18 +02:00
IRQ-domain.txt
IRQ.txt [PATCH] genirq: irq: document what an IRQ is 2006-06-29 10:26:25 -07:00
irqflags-tracing.txt asm/system.h: clean asm/system.h from docs 2014-04-07 16:36:11 -07:00
isa.txt Documentation: Add ISA bus driver documentation 2016-05-02 09:32:04 -07:00
isapnp.txt
java.txt Documentation: update java sample wrapper for java 7 2014-05-25 12:39:00 -07:00
kernel-doc-nano-HOWTO.txt docs: deprecate kernel-doc-nano-HOWTO.txt 2016-07-20 16:45:37 -06:00
kernel-docs.txt Documentation/kernel-docs.txt: reorder based on timestamp 2016-09-20 18:54:42 -06:00
kernel-documentation.rst This is the documentation update pull for the 4.9 merge window. 2016-10-04 13:54:07 -07:00
kernel-parameters.txt This is the 4.9.217 stable release 2020-03-20 11:01:08 +01:00
kernel-per-CPU-kthreads.txt Documenation: update cgroup's document path 2016-08-03 15:43:58 -06:00
kobject.txt kobject: grammar fix 2014-12-08 09:07:11 -05:00
kprobes.txt Documentation: kprobes: Document jprobes stack copying limitations 2016-08-15 10:19:11 -06:00
kref.txt kref: Add kref_get_unless_zero documentation 2012-11-28 18:36:06 +10:00
kselftest.txt kselftest: kselftest documentation improvement 2016-09-20 08:58:27 -06:00
ldm.txt Documentation: update broken web addresses. 2010-08-04 15:21:40 +02:00
local_ops.txt percpu: update local_ops.txt to reflect this_cpu operations 2014-12-13 12:42:53 -08:00
lockup-watchdogs.txt kernel/watchdog.c: add sysctl knob hardlockup_panic 2015-11-05 19:34:48 -08:00
logo.gif
logo.txt Revert "linux.conf.au 2009: Tuz" 2009-04-27 12:00:27 -07:00
lzo.txt UPSTREAM: lib/lzo: fix ambiguous encoding bug in lzo-rle 2023-06-08 13:36:33 +03:00
magic-number.txt Documentation/magic-number: Remove SCC_MAGIC 2015-05-13 15:39:04 -04:00
mailbox.txt
Makefile samples: move blackfin gptimers-example from Documentation 2016-10-10 07:12:02 -06:00
Makefile.sphinx doc-rst: generic way to build PDF of sub-folders 2016-09-01 08:49:23 -06:00
ManagementStyle Documentation/HOWTO: add cross-references to other documents 2016-09-20 18:41:04 -06:00
md-cluster.txt md-cluster: change array_sectors and update size are not supported 2016-05-04 12:39:35 -07:00
md.txt
memory-barriers.txt locking/Documentation: Fix a typo of example result 2016-08-12 08:24:13 +02:00
memory-hotplug.txt memory_hotplug: introduce CONFIG_MEMORY_HOTPLUG_DEFAULT_ONLINE 2016-05-19 19:12:14 -07:00
men-chameleon-bus.txt Documentation: Minor changes to men-chameleon-bus.txt 2015-07-24 15:15:17 +02:00
module-signing.txt Documentation/module-signing.txt: Note need for version info if reusing a key 2016-07-27 12:38:00 +09:30
mono.txt Documentation: remove references to /etc/modprobe.conf 2012-03-30 16:03:15 -07:00
nommu-mmap.txt fs: introduce f_op->mmap_capabilities for nommu mmap support 2015-01-20 14:02:58 -07:00
ntb.txt
numastat.txt Doc: Update numastat.txt 2012-02-28 16:05:06 +01:00
oops-tracing.txt livepatch: kernel: add TAINT_LIVEPATCH 2014-12-22 15:40:48 +01:00
padata.txt Documentation/padata.txt: fix typos etc. 2010-08-11 08:59:18 -07:00
parport-lowlevel.txt plip: fix parport_register_device name parameter 2007-11-26 19:39:01 -08:00
parport.txt Documentation: remove references to /etc/modprobe.conf 2012-03-30 16:03:15 -07:00
percpu-rw-semaphore.txt
phy.txt phy: core: Allow children node to be overridden 2016-04-29 16:39:39 +02:00
pi-futex.txt
pinctrl.txt
pnp.txt doc: capitalization and other minor fixes in pnp doc 2010-02-05 12:22:44 +01:00
preempt-locking.txt x86/fpu: Rename math_state_restore() to fpu__restore() 2015-05-19 15:47:18 +02:00
printk-formats.txt BACKPORT: vsprintf: add printk specifier %px 2019-03-28 21:13:04 -07:00
pwm.txt pwm: Update documentation 2016-05-17 14:48:04 +02:00
ramoops.txt ramoops: use DT reserved-memory bindings 2016-08-05 11:21:36 -07:00
rbtree.txt documentation: fix small typo in rbtree.txt 2015-09-13 14:38:50 -06:00
remoteproc.txt remoteproc: Split driver and consumer dereferencing 2016-10-02 22:50:21 -07:00
rfkill.txt
robust-futex-ABI.txt Documentation/robust-futex-API: Count properly to 4 2013-11-30 14:08:28 +01:00
robust-futexes.txt Documentation: robust-futexes: fix spelling mistakes 2016-04-28 07:26:41 -06:00
rpmsg.txt rpmsg: use module_rpmsg_driver in existing drivers and examples 2016-05-06 11:09:01 -07:00
rtc.txt rtc: implement a sysfs interface for clock offset 2016-03-14 17:08:16 +01:00
SAK.txt Remove Andrew Morton's old email accounts 2008-10-16 11:21:32 -07:00
SecurityBugs Documentation/HOWTO: add cross-references to other documents 2016-09-20 18:41:04 -06:00
serial-console.txt
sgi-ioc4.txt [PATCH] ioc4: Core driver rewrite 2005-06-21 18:46:32 -07:00
siphash.txt UPSTREAM: siphash: implement HalfSipHash1-3 for hash tables 2019-03-28 21:13:03 -07:00
SM501.txt
smsc_ece1099.txt mfd: smsc: Add support for smsc gpio io/keypad driver 2012-10-01 15:27:48 +02:00
spec_ctrl.txt x86/speculation: Add prctl() control for indirect branch speculation 2019-05-14 19:19:39 +02:00
speculation.txt Documentation: Document array_index_nospec 2018-02-13 12:35:59 +01:00
stable_api_nonsense.txt Documentation/HOWTO: add cross-references to other documents 2016-09-20 18:41:04 -06:00
stable_kernel_rules.txt Documentation: stable-kernel-rules: fix stable-tag format 2017-04-12 12:41:15 +02:00
static-keys.txt jump_labels: Allow array initialisers 2016-09-07 09:41:11 +01:00
SubmitChecklist docs-rst: add inter-document cross references 2016-09-21 15:43:09 -06:00
SubmittingDrivers docs-rst: add inter-document cross references 2016-09-21 15:43:09 -06:00
SubmittingPatches docs-rst: add inter-document cross references 2016-09-21 15:43:09 -06:00
svga.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sync.txt ANDROID: sync: add Documentation/sync.txt 2017-01-27 13:51:38 -08:00
sync_file.txt Documentation: add doc for sync_file_get_fence() 2016-08-11 15:33:24 +05:30
sysfs-rules.txt Documentation/sysfs-rules.txt: Add device attribute error code documentation 2014-09-19 14:44:51 -07:00
sysrq.txt Doc: correct the location of sysrq.c 2016-04-28 08:02:36 -06:00
tee.txt BACKPORT: tee.txt: standardize document format 2018-01-12 16:44:40 +00:00
this_cpu_ops.txt
unaligned-memory-access.txt
unicode.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
unshare.txt Documentation: remove duplicated words 2006-10-03 22:57:56 +02:00
vfio.txt
VGA-softcursor.txt Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
video-output.txt
vme_api.txt vme: Update documentation to match api 2016-08-31 13:20:16 +02:00
volatile-considered-harmful.txt Documentation/volatile-considered-harmful.txt: correct cpu_relax() documentation 2010-03-24 16:31:20 -07:00
workqueue.txt
xillybus.txt
xz.txt decompressors: add XZ decompressor module 2011-01-13 08:03:24 -08:00
zorro.txt zorro/UAPI: Disintegrate include/linux/zorro*.h 2013-11-26 11:09:08 +01:00