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  1. 23 Oct, 2023 7 commits
    • Vegard Nossum's avatar
      docs: usb: fix reference to nonexistent file in UVC Gadget · 16794ed3
      Vegard Nossum authored 
      Fix a typo in the path of this reference.

Fixes: 094f3910 ("docs: usb: Add documentation for the UVC Gadget")
Cc: Daniel Scally <dan.scally@ideasonboard.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: default avatarVegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
Message-ID: <20231022185311.919325-1-vegard.nossum@oracle.com>
      16794ed3
    • Vegard Nossum's avatar
      docs: doc-guide: mention 'make refcheckdocs' · 40d35bf9
      Vegard Nossum authored 
      Add this to the section on fixing warnings.

Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: default avatarVegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
Message-ID: <20231022184910.919201-1-vegard.nossum@oracle.com>
      40d35bf9
    • Jade Lovelace's avatar
      Documentation: fix typo in dynamic-debug howto · a10874e8
      Jade Lovelace authored 
      Signed-off-by: default avatarJade Lovelace <lists@jade.fyi>
Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
Message-ID: <20231019231655.3162225-1-lists@jade.fyi>
      a10874e8
    • Yujie Liu's avatar
      scripts/kernel-doc: match -Werror flag strictly · 91f950e8
      Yujie Liu authored 
      In our CI testing, we use some commands as below to only turn a specific
type of warnings into errors, but we notice that kernel-doc warnings
are also turned into errors unexpectedly.

$ make KCFLAGS="-Werror=return-type" W=1 kernel/fork.o

kernel/fork.c:1406: warning: Function parameter or member 'mm' not described in 'set_mm_exe_file'
kernel/fork.c:1406: warning: Function parameter or member 'new_exe_file' not described in 'set_mm_exe_file'
kernel/fork.c:1441: warning: Function parameter or member 'mm' not described in 'replace_mm_exe_file'
kernel/fork.c:1441: warning: Function parameter or member 'new_exe_file' not described in 'replace_mm_exe_file'
kernel/fork.c:1491: warning: Function parameter or member 'mm' not described in 'get_mm_exe_file'
kernel/fork.c:1510: warning: Function parameter or member 'task' not described in 'get_task_exe_file'
kernel/fork.c:1534: warning: Function parameter or member 'task' not described in 'get_task_mm'
kernel/fork.c:2109: warning: bad line:
kernel/fork.c:2130: warning: Function parameter or member 'ret' not described in '__pidfd_prepare'
kernel/fork.c:2130: warning: Excess function parameter 'pidfd' description in '__pidfd_prepare'
kernel/fork.c:2179: warning: Function parameter or member 'ret' not described in 'pidfd_prepare'
kernel/fork.c:2179: warning: Excess function parameter 'pidfd' description in 'pidfd_prepare'
kernel/fork.c:3195: warning: expecting prototype for clone3(). Prototype was for sys_clone3() instead
13 warnings as Errors
make[3]: *** [scripts/Makefile.build:243: kernel/fork.o] Error 13
make[3]: *** Deleting file 'kernel/fork.o'
make[2]: *** [scripts/Makefile.build:480: kernel] Error 2
make[1]: *** [/root/linux/Makefile:1913: .] Error 2
make: *** [Makefile:234: __sub-make] Error 2

>From the git history, commit 2c12c810 ("scripts/kernel-doc:
optionally treat warnings as errors") introduces a new command-line
option to make kernel-doc warnings into errors. It can also read the
KCFLAGS environment variable to decide whether to turn this option on,
but the regex used for matching may not be accurate enough. It can match
both "-Werror" and "-Werror=<diagnostic-type>", so the option is turned
on by mistake in the latter case.

Fix this by strictly matching the flag "-Werror": there must be a space
or start of string in the front, and a space or end of string at the
end. This can handle all the following cases correctly:

KCFLAGS="-Werror" make W=1 [MATCH]
KCFLAGS="-Werror=return-type" make W=1 [NO MATCH]
KCFLAGS="-Wcomment -Werror -Wundef" make W=1 [MATCH]
KCFLAGS="-Wcomment -Werror=return-type -Wundef" make W=1 [NO MATCH]

Fixes: 2c12c810 ("scripts/kernel-doc: optionally treat warnings as errors")
Signed-off-by: default avatarYujie Liu <yujie.liu@intel.com>
Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
Message-ID: <20231019095637.2471840-1-yujie.liu@intel.com>
      91f950e8
    • Charles Han's avatar
      Documentation/sphinx: Remove the repeated word "the" in comments. · 60374870
      Charles Han authored 
      Remove the repeated word "the" in comments.
Signed-off-by: default avatarCharles Han <hanchunchao@inspur.com>
Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
Message-ID: <20231018023046.30022-1-hanchunchao@inspur.com>
      60374870
    • Min-Hua Chen's avatar
      docs: sparse: add SPDX-License-Identifier · eda5a18e
      Min-Hua Chen authored 
      Add SPDX-License-Identifier to fix the checkpatch warning:

WARNING:SPDX_LICENSE_TAG: Missing or malformed SPDX-License-Identifier tag in line 1
\#26: FILE: Documentation/translations/zh_TW/dev-tools/index.rst:1:
+.. include:: ../disclaimer-zh_TW.rst
Signed-off-by: default avatarMin-Hua Chen <minhuadotchen@gmail.com>
Reported-by: default avatarkernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202310110859.tumJoXFl-lkp@intel.com/Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
Message-ID: <20231011233757.181652-1-minhuadotchen@gmail.com>
      eda5a18e
    • Tang Yizhou's avatar
      docs/zh_CN: Add subsystem-apis Chinese translation · 4c38b676
      Tang Yizhou authored 
      Translate subsystem-apis.rst into Chinese.

The existence of this document is crucial. Without it, other Chinese
documents included in (such as sched-design-CFS.rst) will not be
displayed correctly in the left side of the web page.
Signed-off-by: default avatarTang Yizhou <yizhou.tang@shopee.com>
Reviewed-by: default avatarYanteng Si <siyanteng@loongson.cn>
Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
Message-ID: <20231011152520.31079-1-tangyeechou@gmail.com>
      4c38b676
  3. 11 Oct, 2023 1 commit
  5. 10 Oct, 2023 18 commits
  7. 03 Oct, 2023 1 commit
  9. 23 Sep, 2023 3 commits
  11. 22 Sep, 2023 5 commits
  13. 12 Sep, 2023 1 commit
  15. 10 Sep, 2023 4 commits
    • Linus Torvalds's avatar
      Linux 6.6-rc1 · 0bb80ecc
      Linus Torvalds authored
      0bb80ecc
    • Linus Torvalds's avatar
      Merge tag 'topic/drm-ci-2023-08-31-1' of git://anongit.freedesktop.org/drm/drm · 1548b060
      Linus Torvalds authored 
      Pull drm ci scripts from Dave Airlie:
 "This is a bunch of ci integration for the freedesktop gitlab instance
  where we currently do upstream userspace testing on diverse sets of
  GPU hardware. From my perspective I think it's an experiment worth
  going with and seeing how the benefits/noise playout keeping these
  files useful.

  Ideally I'd like to get this so we can do pre-merge testing on PRs
  eventually.

  Below is some info from danvet on why we've ended up making the
  decision and how we can roll it back if we decide it was a bad plan.

  Why in upstream?

   - like documentation, testcases, tools CI integration is one of these
     things where you can waste endless amounts of time if you
     accidentally have a version that doesn't match your source code

   - but also like the above, there's a balance, this is the initial cut
     of what we think makes sense to keep in sync vs out-of-tree,
     probably needs adjustment

   - gitlab supports out-of-repo gitlab integration and that's what's
     been used for the kernel in drm, but it results in per-driver
     fragmentation and lots of duplicated effort. the simple act of
     smashing an arbitrary winner into a topic branch already started
     surfacing patches on dri-devel and sparking good cross driver team
     discussions

  Why gitlab?

   - it's not any more shit than any of the other CI

   - drm userspace uses it extensively for everything in userspace, we
     have a lot of people and experience with this, including
     integration of hw testing labs

   - media userspace like gstreamer is also on gitlab.fd.o, and there's
     discussion to extend this to the media subsystem in some fashion

  Can this be shared?

   - there's definitely a pile of code that could move to scripts/ if
     other subsystem adopt ci integration in upstream kernel git. other
     bits are more drm/gpu specific like the igt-gpu-tests/tools
     integration

   - docker images can be run locally or in other CI runners

  Will we regret this?

   - it's all in one directory, intentionally, for easy deletion

   - probably 1-2 years in upstream to see whether this is worth it or a
     Big Mistake. that's roughly what it took to _really_ roll out solid
     CI in the bigger userspace projects we have on gitlab.fd.o like
     mesa3d"

* tag 'topic/drm-ci-2023-08-31-1' of git://anongit.freedesktop.org/drm/drm:
  drm: ci: docs: fix build warning - add missing escape
  drm: Add initial ci/ subdirectory
      1548b060
    • Linus Torvalds's avatar
      Merge tag 'x86-urgent-2023-09-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · e56b2b60
      Linus Torvalds authored 
      Pull x86 fixes from Ingo Molnar:
 "Fix preemption delays in the SGX code, remove unnecessarily
  UAPI-exported code, fix a ld.lld linker (in)compatibility quirk and
  make the x86 SMP init code a bit more conservative to fix kexec()
  lockups"

* tag 'x86-urgent-2023-09-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/sgx: Break up long non-preemptible delays in sgx_vepc_release()
  x86: Remove the arch_calc_vm_prot_bits() macro from the UAPI
  x86/build: Fix linker fill bytes quirk/incompatibility for ld.lld
  x86/smp: Don't send INIT to non-present and non-booted CPUs
      e56b2b60
    • Linus Torvalds's avatar
      Merge tag 'perf-urgent-2023-09-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip · e79dbf03
      Linus Torvalds authored 
      Pull x86 perf event fix from Ingo Molnar:
 "Work around a firmware bug in the uncore PMU driver, affecting certain
  Intel systems"

* tag 'perf-urgent-2023-09-10' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  perf/x86/uncore: Correct the number of CHAs on EMR
      e79dbf03
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