mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/
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9,513 commits
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Mauro Carvalho Chehab
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8cd256524a |
scripts: sphinx-pre-install: better handle Python min version
Don't do any recommendations about Sphinx install with too old python versions. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/013aeb848ecc3f6b69b4518cf3d335bd2353b6e1.1754992972.git.mchehab+huawei@kernel.org |
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Mauro Carvalho Chehab
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6db1d3977b |
scripts: sphinx-pre-install: adjust a warning message
There is one extra space at the first line. Also, as now we only support Python 3.4+, update the text. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/74a17edd70364ca623a54b62bd97a344bb474988.1754992972.git.mchehab+huawei@kernel.org |
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Mauro Carvalho Chehab
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1ad72e9dfa |
scripts: sphinx-pre-install: move package instructions to a new func
Currently, if Python < 3.7, package install will fail. That happens with OpenSuse Leap and RHEL-based ver 8 distros. OpenSuse allows installing Sphinx with Python 3.11, but RHEL-based distros don't. Prepare to recomend only venv on such cases. For now, just split the recomendation on a new function that will check for a paramtere to be called. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/4fb2181c960e89774309a833f80209a1a3ab10d2.1754992972.git.mchehab+huawei@kernel.org |
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Mauro Carvalho Chehab
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fb08659be0 |
scripts: sphinx-pre-install: fix OpenMandriva support
OpenMandriva Lx 4.3 has different package names for ImageMagick and yaml. Fix them to ensure that system setup will pass. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/0b4e7aa88c96e6a5b8f2e6f381b3e21124680d33.1754992972.git.mchehab+huawei@kernel.org |
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Mauro Carvalho Chehab
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1a7da749f1 |
scripts: sphinx-pre-install: improve Gentoo package deps logic
It took me a lot of time, but I guess understand now what it
takes to install a package on Gentoo.
Handling dependencies is a nightmare, as Gentoo refuses to emerge
some packages if there's no package.use file describing them.
To make it worse, compilation flags shall also be present there
for some packages. If USE is not perfect, error/warning messages
like those are shown:
gnome-base/librsvg dev-texlive/texlive-xetex media-fonts/dejavu dev-python/pyyaml
...
!!! The following binary packages have been ignored due to non matching USE:
=media-gfx/graphviz-12.2.1-r1 X pdf -python_single_target_python3_13 qt6 svg
=media-gfx/graphviz-12.2.1-r1 X pdf python_single_target_python3_12 -python_single_target_python3_13 qt6 svg
=media-gfx/graphviz-12.2.1-r1 X pdf qt6 svg
=media-gfx/graphviz-12.2.1-r1 X pdf -python_single_target_python3_10 qt6 svg
=media-gfx/graphviz-12.2.1-r1 X pdf -python_single_target_python3_10 python_single_target_python3_12 -python_single_target_python3_13 qt6 svg
=media-fonts/noto-cjk-20190416 X
=app-text/texlive-core-2024-r1 X cjk -xetex
=app-text/texlive-core-2024-r1 X -xetex
=app-text/texlive-core-2024-r1 -xetex
=dev-libs/zziplib-0.13.79-r1 sdl
If emerge is allowed, it will simply ignore the above packages,
creating an incomplete installation, which will later fail when
one tries to build docs with images or build PDFs.
After the fix, command line commands to produce the needed USE
chain will be emitted, if they don't exist yet.
sudo su -c 'echo "media-gfx/graphviz" > /etc/portage/package.use/graphviz'
sudo su -c 'echo "media-gfx/imagemagick" > /etc/portage/package.use/imagemagick'
sudo su -c 'echo "media-libs/harfbuzz icu" > /etc/portage/package.use/media-libs'
sudo su -c 'echo "media-fonts/noto-cjk" > /etc/portage/package.use/media-fonts'
sudo su -c 'echo "app-text/texlive-core xetex" > /etc/portage/package.use/texlive'
sudo su -c 'echo "dev-libs/zziplib sdl" > /etc/portage/package.use/zziblib'
The new logic tries to be smart enough to detect for missing files
and missing arguments. Yet, as Gentoo seems to require users to
manage those package.use files by hand, the logic isn't perfect:
users may still need to verify for conflicts on different use
files.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/365fe5e7d568da932dcffde65f48f2c1256cb773.1754992972.git.mchehab+huawei@kernel.org
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Mauro Carvalho Chehab
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42e3f9f360 |
scripts: sphinx-pre-install: remove Scientific Linux
According with its website: https://scientificlinux.org/ Scientific Linux reached end of life in June 30, 2024. Also, it was based on RHEL 7, which is not compatible with our build system anymore. So, drop support for it. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/dde5e0c95017022840f8a522ce44759e51f52aa1.1754992972.git.mchehab+huawei@kernel.org |
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Mauro Carvalho Chehab
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e53e6d395f |
scripts: sphinx-pre-install: fix rhel recomendations
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/393a299a850ba9d94c6a8965e78db4da2dbf7e37.1754992972.git.mchehab+huawei@kernel.org |
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Mauro Carvalho Chehab
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8b18e86f6c |
scripts: sphinx-pre-install: fix Leap support for rsvg-convert
There is a test logic meant to be for Leap, renaming rsvg-convert package. Well, at least on latest Leap releases, this is wrong, causing install to fail. Drop it. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/6fcc94533d860e2f6f4f2c7d6ceb6cca70f48bb6.1754992972.git.mchehab+huawei@kernel.org |
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Mauro Carvalho Chehab
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cccc538981 |
scripts: sphinx-pre-install: add a missing f-string marker
I forgot one f-string marker, with turned to be affecting 3 lines, because of cut-and-paste ;-) Use the proper f-string marker to print Sphinx version at the hint lines. Yet, we don't want to print as a tuple, so call ver_str() for it. Ideally, we would be placing it directly at the f-string, but Python 3.6 f-string support was pretty much limited. Only 3.12 (PEP 701) makes it similar to Perl, allowing expressions inside it. It sounds that function call itself was introduced on 3.7. As we explicitly want this one to run on 3.6, as latest Leap comes with it, we can't use function calls on f-string. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/b0ad1795446b17a00ba2dd83f366e784253668e6.1754992972.git.mchehab+huawei@kernel.org |
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Mauro Carvalho Chehab
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637fa6b381 |
scripts: sphinx-pre-install: output Python and docutils version
Specially when debugging issues, knowing the versions is important. Add it to the script output. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/96142ec916b9064c859b200639c3595115080322.1754992972.git.mchehab+huawei@kernel.org |
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Mauro Carvalho Chehab
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8f6f54c464 |
scripts: sphinx-pre-install: cleanup rhel support
Rhel < 8.0 is not supported anymore. Drop support for it. Rhel 8 is problematic: at least on the tests I did with a docker repo, it didn't work, but it could be due to the issue that it is actually different than a real One. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/62fe8ab243ad39f4964f1f74b965e43dc8f10e23.1754992972.git.mchehab+huawei@kernel.org |
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Mauro Carvalho Chehab
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12bdcf8989 |
scripts: sphinx-pre-install: only show portage hints once
On gentoo, doesn't repeat instructions about how to enable portage. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/d4e7ef1d5e1f0412eb9f9ae4913dc64c0821e002.1754992972.git.mchehab+huawei@kernel.org |
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Mauro Carvalho Chehab
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94a161d998 |
scripts: sphinx-pre-install: Address issues with OpenSUSE Tumbleweed
On Tumbleweed, package names are named after python-313*, as it also has older python versions on it. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/fe0b5f7c18d7b32e0229c0890371e1441ffea294.1754992972.git.mchehab+huawei@kernel.org |
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Mauro Carvalho Chehab
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582b0f95c9 |
scripts: sphinx-pre-install: fix support for gentoo
Some gentoo packages have changes. Fix it. While here, improve emerge portage use logic. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/283987633aae7d99e0eff41e24eb6285c1b6b335.1754992972.git.mchehab+huawei@kernel.org |
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Mauro Carvalho Chehab
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c5ffae0fa9 |
scripts: sphinx-pre-install: fix opensuse Leap hint for PyYAML
On Leap, the name of the package is python311-PyYAML. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/0266c5e28e136c62de33d2d7f7d5e69b273e0d01.1754992972.git.mchehab+huawei@kernel.org |
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Mauro Carvalho Chehab
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2cb4877b74 |
scripts: sphinx-pre-install: Address issues with OpenSUSE Leap 15.x
On openSUSE Leap 15.6, which is the current LTS version, has two
Sphinx packages. The normal one requires Python 3.6, which we
don't support anymore. However, it also has Python 3.11 with a
newer Sphinx version (7.2.6).
Suggest the newer version:
Detected OS: openSUSE Leap 15.6.
ERROR: at least python 3.7 is required to build the kernel docs
Warning: python version is not supported.
Warning: better to also install "convert".
Warning: better to also install "dot".
ERROR: please install "yaml", otherwise, build won't work.
You should run:
sudo zypper install --no-recommends ImageMagick graphviz python311-pyyaml
Sphinx needs to be installed either:
1) via pip/pypi with:
Currently not possible.
Please upgrade Python to a newer version and run this script again
2) As a package with:
sudo zypper install --no-recommends python311-Sphinx
Please note that Sphinx >= 3.0 will currently produce false-positive
warning when the same name is used for more than one type (functions,
structs, enums,...). This is known Sphinx bug. For more details, see:
https://github.com/sphinx-doc/sphinx/pull/8313
Can't build as 2 mandatory dependencies are missing
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/a1600e292b63f96f40163e350238812158ebd6c2.1754992972.git.mchehab+huawei@kernel.org
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Mauro Carvalho Chehab
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f25bf12afc |
scripts: sphinx-pre-install: drop support for old virtualenv
Up to Python 3.2, the virtual environment were created via virtualenv binary. As we dropped support for such old version, clean up the code. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/31afe394bcfd8f7e450263c1922d2c73b91d36d8.1754992972.git.mchehab+huawei@kernel.org |
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Mauro Carvalho Chehab
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ea5dd67722 |
scripts: sphinx-pre-install: drop obsolete routines
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/afb97854f05b0852f4c6c1fcee102e9697c14cd8.1754992972.git.mchehab+huawei@kernel.org |
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Mauro Carvalho Chehab
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728648b6a5 |
scripts: sphinx-pre-install: run on a supported version
The scripts/sphinx-pre-install is used to detect problems at the system environment and adjust it to build the Kernel documentation. If the version is too old, it won't run, though. Check if the version which started the script is valid. If not, seek for a new one that is compatible with documentation build. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/76627055a7f82f6a79296ddbd873fa5ac8f82a1d.1754992972.git.mchehab+huawei@kernel.org |
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Mauro Carvalho Chehab
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56a8767751 |
scripts: sphinx-pre-install: Make it compatible with Python 3.6
The minimal version requirements we have is 3.9. Yet, the script which detects it is this one. So, let's try supporting an old version here, as we may want to suggest to upgrade Python version to build the docs. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/39d6e27a047bc3cc8208ac5e11fe6ba44faff9c4.1754992972.git.mchehab+huawei@kernel.org |
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Mauro Carvalho Chehab
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ca9087f507 |
scripts: sphinx-pre-install: Convert script to Python
Port scripts/sphinx-pre-install to Python. That allows a better maintainance of the file. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/8d236079545aff796900bde4cdaaf79411d04074.1754992972.git.mchehab+huawei@kernel.org |
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Mauro Carvalho Chehab
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a9c50a51e0 |
scripts: sphinx-pre-install: rename it to scripts/sphinx-pre-install.pl
That helps us to later replace the scripts. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/08d9a32a5aaf3784fef016594efe505d7c5a2697.1754992972.git.mchehab+huawei@kernel.org |
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Mauro Carvalho Chehab
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7bb184222e |
scripts: sphinx-pre-install: fix version check for Fedora
The script is now picking the wrong version. Fix it. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/9d1e5c9906534e2bae586f891770066346463146.1754992972.git.mchehab+huawei@kernel.org |
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Mauro Carvalho Chehab
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fc973dcd73 |
docs: kernel-doc: avoid script crash on ancient Python
While we do need at least 3.6 for kernel-doc to work, and at least
3.7 for it to output functions and structs with parameters at the
right order, let the python binary be compatible with legacy
versions.
The rationale is that the Kernel build nowadays calls kernel-doc
with -none on some places. Better not to bail out when older
versions are found.
With that, potentially this will run with python 2.7 and 3.2+,
according with vermin:
$ vermin --no-tips -v ./scripts/kernel-doc
Detecting python files..
Analyzing using 24 processes..
2.7, 3.2 /new_devel/v4l/docs/scripts/kernel-doc
Minimum required versions: 2.7, 3.2
3.2 minimal requirement is due to argparse.
The minimal version I could check was version 3.4
(using anaconda). Anaconda doesn't support 3.2 or 3.3
anymore, and 3.2 doesn't even compile (I tested compiling
Python 3.2 on Fedora 42 and on Fedora 32 - no show).
With 3.4, the script didn't crash and emitted the right warning:
$ conda create -n py34 python=3.4
$ conda activate py34
python --version
Python 3.4.5
$ python ./scripts/kernel-doc --none include/media
Error: Python 3.6 or later is required by kernel-doc
$ conda deactivate
$ python --version
Python 3.13.5
$ python ./scripts/kernel-doc --none include/media
(no warnings and script ran properly)
Supporting 2.7 is out of scope, as it is EOL for 5 years, and
changing shebang to point to "python" instead of "python3"
would have a wider impact.
I did some extra checks about the differences from 3.2 and
3.4, and didn't find anything that would cause troubles:
grep -rE "yield from|asyncio|pathlib|async|await|enum" scripts/kernel-doc
Also, it doesn't use "@" operator. So, I'm confident that it
should run (producing the exit warning) since Python 3.2.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/87d55e76b0b1391cb7a83e3e965dbddb83fa9786.1753806485.git.mchehab+huawei@kernel.org
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Jonathan Corbet
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7b41f6f937 |
Merge branch 'dump-struct' into docs-mw
In my ongoing effort to truly understand our new kernel-doc, I continue to make changes to improve the code, and to try to make the understanding task easier for the next person. These patches focus on dump_struct() in particular, which starts out at nearly 300 lines long - to much to fit into my little brain anyway. Hopefully the result is easier to manage. There are no changes in the rendered docs. |
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Jonathan Corbet
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e282303e71 |
docs: kdoc: a few final dump_struct() touches
Add a couple more comments so that each phase of the process is now clearly marked. Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20250807211639.47286-13-corbet@lwn.net |
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Jonathan Corbet
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23c47b0931 |
docs: kdoc: extract output formatting from dump_struct()
The last thing done in dump_struct() is to format the structure for printing. That, too, is a separate activity; split it out into its own function. dump_struct() now fits in a single, full-hight editor screen. Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20250807211639.47286-12-corbet@lwn.net |
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Jonathan Corbet
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e6dd4e2a5c |
docs: kdoc: further rewrite_struct_members() cleanup
Get rid of some redundant checks, and generally tighten up the code; no logical change. Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20250807211639.47286-11-corbet@lwn.net |
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Jonathan Corbet
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a8c4b0a8f1 |
docs: kdoc: Some rewrite_struct_members() commenting
Add comments to rewrite_struct_members() describing what it is actually doing, and reformat/comment the main struct_members regex so that it is (more) comprehensible to humans. Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20250807211639.47286-10-corbet@lwn.net |
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Jonathan Corbet
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fb20e61039 |
docs: kdoc: remove an extraneous strip() call
...the variable in question was already strip()ed at the top of the loop. Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20250807211639.47286-9-corbet@lwn.net |
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Jonathan Corbet
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f8208676c1 |
docs: kdoc: rework the rewrite_struct_members() main loop
Adopt a more Pythonic form for the main loop of this function, getting rid of the "while True:" construction and making the actual loop invariant explicit. Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20250807211639.47286-8-corbet@lwn.net |
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Jonathan Corbet
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77e3c875f0 |
docs: kdoc: split struct-member rewriting out of dump_struct()
The massive loop that massages struct members shares no data with the rest of dump_struct(); split it out into its own function. Code movement only, no other changes. Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20250807211639.47286-7-corbet@lwn.net |
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Jonathan Corbet
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0f73441294 |
docs: kdoc: split top-level prototype parsing out of dump_struct()
Move the initial split of the prototype into its own function in the ongoing effort to cut dump_struct() down to size. Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20250807211639.47286-6-corbet@lwn.net |
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Jonathan Corbet
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64cf83bcd3 |
docs: kdoc: move the prefix transforms out of dump_struct()
dump_struct is one of the longest functions in the kdoc_parser class, making it hard to read and reason about. Move the definition of the prefix transformations out of the function, join them with the definition of "attribute" (which was defined at the top of the file but only used here), and reformat the code slightly for shorter line widths. Just code movement in the end. Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20250807211639.47286-5-corbet@lwn.net |
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Jonathan Corbet
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5fd513f011 |
docs: kdoc: backslashectomy in kdoc_parser
A lot of the regular expressions in this file have extraneous backslashes
that may have been needed in Perl, but aren't helpful here. Take them out
to reduce slightly the visual noise.
Escaping of (){}[] has been left in place, even when unnecessary, for
visual clarity.
Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250807211639.47286-4-corbet@lwn.net
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Jonathan Corbet
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259feba4dd |
docs: kdoc: Move a regex line in dump_struct()
The complex struct_members regex was defined far from its use; bring the two together. Remove some extraneous backslashes while making the move. Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20250807211639.47286-3-corbet@lwn.net |
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Jonathan Corbet
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6656ae4df1 |
docs: kdoc: consolidate the stripping of private struct/union members
There were two locations duplicating the logic of stripping private members and associated comments; coalesce them into one, and add some comments describing what's going on. Output change: we now no longer add extraneous white space around macro definitions. Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Link: https://lore.kernel.org/r/20250807211639.47286-2-corbet@lwn.net |
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Rob Herring (Arm)
|
c072d2b495 |
scripts/dtc: Update to upstream version v1.7.2-35-g52f07dcca47c
This adds the following commits from upstream: 52f07dcca47c dtc: Add informative error for stray identifier 9cabae6b0351 checks: Fix detection of 'i2c-bus' node 605dc044c3fe New helper to add markers 7da5d106c740 fdtput: Fix documentation about existing nodes 53c63dd421d7 dtdiff: Use input format dtb for dtbo files 84d9dd2fcbc8 dtc: Add data_insert_data function 97011d1f4e98 meson: use override_find_program/override_dependency b841391bbd08 srcpos: Define srcpos_free e0b7749c26a9 Add alloc_marker ecb21febfdd3 meson: port python bindings to build natively via meson and meson-python 7ebfcac8520e Makefile: deprecate in favor of Meson f4c53f4ebf78 Use __ASSEMBLER__ instead of __ASSEMBLY__ 205fbef17b7b Fix some typos da85f91931e5 Remove duplicated words in documentation and comments dd1b3e532d22 meson: support building libfdt without static library 1ccd232709d4 meson: don't build test programs by default ce1d8588880a tests: When building .so from -O asm output mark as non-executable stack 915daadbb62d Start with empty __local_fixups__ and __fixups__ nodes 4ea851f5a44d Let get_subnode() not return deleted nodes 175d2a564c47 Use build_root_node() instead of open-coding it 18f4f305fdd7 build: fix -Dtools=false build 267efc7d4694 checks: Warn about missing #address-cells for interrupt parents 755db115355b libfdt: Add fdt_setprop_namelen_string() bdca8612009e libfdt: Add fdt_setprop_namelen() 0f69cedc08fc libfdt_internal: fdt_find_string_len_() 56b2b30c5bd0 libfdt: add fdt_get_property_namelen_w() 1e8c5f60e127 Add clang-format config 6f183c7d9246 checks: Relax avoid_unnecessary_addr_size check to allow child ranges properties 66c7d0e6f4f3 tests/sw_tree1.c: fix unitialized saveptr 9a969f3b70b0 pylibfdt/libfdt.i: fix backwards compatibility of return values 4292b072a23a .github/workflows: update ubuntu runner to supported version 1c745a9bd169 libfdt: Remove fdt parameter from overlay_fixup_one_phandle b3bbee6b1242 libfdt: Move the SBOM authors section d1656730abfb Add a SBOM file in CycloneDX format b75515af4576 libfdt: Remove extra semi-colons outside functions 2d10aa2afe35 Bump version to v1.7.2 48795c82bdb6 pylibfdt: Don't emit warnings from swig generate C code 838f11e830e3 fdtoverlay: provide better error message for missing `/__symbols__` d1e2384185c5 pylibfdt/libfdt.i: Use SWIG_AppendOutput 18aa49a9f68d Escape spaces in depfile with backslashes. f9968fa06921 libfdt.h: whitespace consistency fixups 9b5f65fb3d8d libfdt.h: typo and consistency fixes 99031e3a4a6e Bump version to v1.7.1 3d5e376925fd setup: Move setting of srcdir down to the bottom e277553b9880 setup: Collect top-level code together 7e5a88984081 setup: Move version and full_description into a function 78b6a85c113b Tidy up some pylint warnings 3501d373f0a2 Require Python 3 The added include of string.h in libfdt_internal.h breaks the kernel overriding libfdt_env.h with its own string functions, so it is dropped. An upstream fix is pending. Signed-off-by: Rob Herring (Arm) <robh@kernel.org> |
||
Linus Torvalds
|
a530a36bb5 |
Kbuild updates for v6.17
- Fix a shortcut key issue in menuconfig
- Fix missing rebuild of kheaders
- Sort the symbol dump generated by gendwarfsyms
- Support zboot extraction in scripts/extract-vmlinux
- Migrate gconfig to GTK 3
- Add TAR variable to allow overriding the default tar command
- Hand over Kbuild maintainership
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Merge tag 'kbuild-v6.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull Kbuild updates from Masahiro Yamada:
"This is the last pull request from me.
I'm grateful to have been able to continue as a maintainer for eight
years. From the next cycle, Nathan and Nicolas will maintain Kbuild.
- Fix a shortcut key issue in menuconfig
- Fix missing rebuild of kheaders
- Sort the symbol dump generated by gendwarfsyms
- Support zboot extraction in scripts/extract-vmlinux
- Migrate gconfig to GTK 3
- Add TAR variable to allow overriding the default tar command
- Hand over Kbuild maintainership"
* tag 'kbuild-v6.17-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (92 commits)
MAINTAINERS: hand over Kbuild maintenance
kheaders: make it possible to override TAR
kbuild: userprogs: use correct linker when mixing clang and GNU ld
kconfig: lxdialog: replace strcpy() with strncpy() in inputbox.c
kconfig: lxdialog: replace strcpy with snprintf in print_autowrap
kconfig: gconf: refactor text_insert_help()
kconfig: gconf: remove unneeded variable in text_insert_msg
kconfig: gconf: use hyphens in signals
kconfig: gconf: replace GtkImageMenuItem with GtkMenuItem
kconfig: gconf: Fix Back button behavior
kconfig: gconf: fix single view to display dependent symbols correctly
scripts: add zboot support to extract-vmlinux
gendwarfksyms: order -T symtypes output by name
gendwarfksyms: use preferred form of sizeof for allocation
kconfig: qconf: confine {begin,end}Group to constructor and destructor
kconfig: qconf: fix ConfigList::updateListAllforAll()
kconfig: add a function to dump all menu entries in a tree-like format
kconfig: gconf: show GTK version in About dialog
kconfig: gconf: replace GtkHPaned and GtkVPaned with GtkPaned
kconfig: gconf: replace GdkColor with GdkRGBA
...
|
||
Suchit Karunakaran
|
5ac726653a |
kconfig: lxdialog: replace strcpy() with strncpy() in inputbox.c
strcpy() performs no bounds checking and can lead to buffer overflows if the input string exceeds the destination buffer size. This patch replaces it with strncpy(), and null terminates the input string. Signed-off-by: Suchit Karunakaran <suchitkarunakaran@gmail.com> Reviewed-by: Nicolas Schier <nicolas.schier@linux.dev> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
||
|
Suchit Karunakaran
|
1918f98368 |
kconfig: lxdialog: replace strcpy with snprintf in print_autowrap
strcpy() does not perform bounds checking and can lead to buffer overflows if the source string exceeds the destination buffer size. In print_autowrap(), replace strcpy() with snprintf() to safely copy the prompt string into the fixed-size tempstr buffer. Signed-off-by: Suchit Karunakaran <suchitkarunakaran@gmail.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> |
||
|
Linus Torvalds
|
e991acf1bc |
Significant patch series in this pull request:
- The 2 patch series "squashfs: Remove page->mapping references" from
Matthew Wilcox gets us closer to being able to remove page->mapping.
- The 5 patch series "relayfs: misc changes" from Jason Xing does some
maintenance and minor feature addition work in relayfs.
- The 5 patch series "kdump: crashkernel reservation from CMA" from Jiri
Bohac switches us from static preallocation of the kdump crashkernel's
working memory over to dynamic allocation. So the difficulty of
a-priori estimation of the second kernel's needs is removed and the
first kernel obtains extra memory.
- The 5 patch series "generalize panic_print's dump function to be used
by other kernel parts" from Feng Tang implements some consolidation and
rationalizatio of the various ways in which a faiing kernel splats
information at the operator.
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Merge tag 'mm-nonmm-stable-2025-08-03-12-47' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull non-MM updates from Andrew Morton:
"Significant patch series in this pull request:
- "squashfs: Remove page->mapping references" (Matthew Wilcox) gets
us closer to being able to remove page->mapping
- "relayfs: misc changes" (Jason Xing) does some maintenance and
minor feature addition work in relayfs
- "kdump: crashkernel reservation from CMA" (Jiri Bohac) switches
us from static preallocation of the kdump crashkernel's working
memory over to dynamic allocation. So the difficulty of a-priori
estimation of the second kernel's needs is removed and the first
kernel obtains extra memory
- "generalize panic_print's dump function to be used by other
kernel parts" (Feng Tang) implements some consolidation and
rationalization of the various ways in which a failing kernel
splats information at the operator
* tag 'mm-nonmm-stable-2025-08-03-12-47' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (80 commits)
tools/getdelays: add backward compatibility for taskstats version
kho: add test for kexec handover
delaytop: enhance error logging and add PSI feature description
samples: Kconfig: fix spelling mistake "instancess" -> "instances"
fat: fix too many log in fat_chain_add()
scripts/spelling.txt: add notifer||notifier to spelling.txt
xen/xenbus: fix typo "notifer"
net: mvneta: fix typo "notifer"
drm/xe: fix typo "notifer"
cxl: mce: fix typo "notifer"
KVM: x86: fix typo "notifer"
MAINTAINERS: add maintainers for delaytop
ucount: use atomic_long_try_cmpxchg() in atomic_long_inc_below()
ucount: fix atomic_long_inc_below() argument type
kexec: enable CMA based contiguous allocation
stackdepot: make max number of pools boot-time configurable
lib/xxhash: remove unused functions
init/Kconfig: restore CONFIG_BROKEN help text
lib/raid6: update recov_rvv.c zero page usage
docs: update docs after introducing delaytop
...
|
||
|
Linus Torvalds
|
352af6a011 |
Rust changes for v6.17
Toolchain and infrastructure:
- Enable a set of Clippy lints: 'ptr_as_ptr', 'ptr_cast_constness',
'as_ptr_cast_mut', 'as_underscore', 'cast_lossless' and 'ref_as_ptr'.
These are intended to avoid type casts with the 'as' operator, which
are quite powerful, into restricted variants that are less powerful
and thus should help to avoid mistakes.
- Remove the 'author' key now that most instances were moved to the
plural one in the previous cycle.
'kernel' crate:
- New 'bug' module: add 'warn_on!' macro which reuses the existing
'BUG'/'WARN' infrastructure, i.e. it respects the usual sysctls and
kernel parameters:
warn_on!(value == 42);
To avoid duplicating the assembly code, the same strategy is followed
as for the static branch code in order to share the assembly between
both C and Rust. This required a few rearrangements on C arch headers
-- the existing C macros should still generate the same outputs, thus
no functional change expected there.
- 'workqueue' module: add delayed work items, including a 'DelayedWork'
struct, a 'impl_has_delayed_work!' macro and an 'enqueue_delayed'
method, e.g.:
/// Enqueue the struct for execution on the system workqueue,
/// where its value will be printed 42 jiffies later.
fn print_later(value: Arc<MyStruct>) {
let _ = workqueue::system().enqueue_delayed(value, 42);
}
- New 'bits' module: add support for 'bit' and 'genmask' functions,
with runtime- and compile-time variants, e.g.:
static_assert!(0b00010000 == bit_u8(4));
static_assert!(0b00011110 == genmask_u8(1..=4));
assert!(checked_bit_u32(u32::BITS).is_none());
- 'uaccess' module: add 'UserSliceReader::strcpy_into_buf', which reads
NUL-terminated strings from userspace into a '&CStr'.
Introduce 'UserPtr' newtype, similar in purpose to '__user' in C, to
minimize mistakes handling userspace pointers, including mixing them
up with integers and leaking them via the 'Debug' trait. Add it to
the prelude, too.
- Start preparations for the replacement of our custom 'CStr' type
with the analogous type in the 'core' standard library. This will
take place across several cycles to make it easier. For this one,
it includes a new 'fmt' module, using upstream method names and some
other cleanups.
Replace 'fmt!' with a re-export, which helps Clippy lint properly,
and clean up the found 'uninlined-format-args' instances.
- 'dma' module:
- Clarify wording and be consistent in 'coherent' nomenclature.
- Convert the 'read!()' and 'write!()' macros to return a 'Result'.
- Add 'as_slice()', 'write()' methods in 'CoherentAllocation'.
- Expose 'count()' and 'size()' in 'CoherentAllocation' and add the
corresponding type invariants.
- Implement 'CoherentAllocation::dma_handle_with_offset()'.
- 'time' module:
- Make 'Instant' generic over clock source. This allows the compiler
to assert that arithmetic expressions involving the 'Instant' use
'Instants' based on the same clock source.
- Make 'HrTimer' generic over the timer mode. 'HrTimer' timers take a
'Duration' or an 'Instant' when setting the expiry time, depending
on the timer mode. With this change, the compiler can check the
type matches the timer mode.
- Add an abstraction for 'fsleep'. 'fsleep' is a flexible sleep
function that will select an appropriate sleep method depending on
the requested sleep time.
- Avoid 64-bit divisions on 32-bit hardware when calculating
timestamps.
- Seal the 'HrTimerMode' trait. This prevents users of the
'HrTimerMode' from implementing the trait on their own types.
- Pass the correct timer mode ID to 'hrtimer_start_range_ns()'.
- 'list' module: remove 'OFFSET' constants, allowing to remove pointer
arithmetic; now 'impl_list_item!' invokes 'impl_has_list_links!' or
'impl_has_list_links_self_ptr!'. Other simplifications too.
- 'types' module: remove 'ForeignOwnable::PointedTo' in favor of a
constant, which avoids exposing the type of the opaque pointer, and
require 'into_foreign' to return non-null.
Remove the 'Either<L, R>' type as well. It is unused, and we want to
encourage the use of custom enums for concrete use cases.
- 'sync' module: implement 'Borrow' and 'BorrowMut' for 'Arc' types
to allow them to be used in generic APIs.
- 'alloc' module: implement 'Borrow' and 'BorrowMut' for 'Box<T, A>';
and 'Borrow', 'BorrowMut' and 'Default' for 'Vec<T, A>'.
- 'Opaque' type: add 'cast_from' method to perform a restricted cast
that cannot change the inner type and use it in callers of
'container_of!'. Rename 'raw_get' to 'cast_into' to match it.
- 'rbtree' module: add 'is_empty' method.
- 'sync' module: new 'aref' submodule to hold 'AlwaysRefCounted' and
'ARef', which are moved from the too general 'types' module which we
want to reduce or eventually remove. Also fix a safety comment in
'static_lock_class'.
'pin-init' crate:
- Add 'impl<T, E> [Pin]Init<T, E> for Result<T, E>', so results are now
(pin-)initializers.
- Add 'Zeroable::init_zeroed()' that delegates to 'init_zeroed()'.
- New 'zeroed()', a safe version of 'mem::zeroed()' and also provide
it via 'Zeroable::zeroed()'.
- Implement 'Zeroable' for 'Option<&T>', 'Option<&mut T>' and for
'Option<[unsafe] [extern "abi"] fn(...args...) -> ret>' for '"Rust"'
and '"C"' ABIs and up to 20 arguments.
- Changed blanket impls of 'Init' and 'PinInit' from 'impl<T, E>
[Pin]Init<T, E> for T' to 'impl<T> [Pin]Init<T> for T'.
- Renamed 'zeroed()' to 'init_zeroed()'.
- Upstream dev news: improve CI more to deny warnings, use
'--all-targets'. Check the synchronization status of the two '-next'
branches in upstream and the kernel.
MAINTAINERS:
- Add Vlastimil Babka, Liam R. Howlett, Uladzislau Rezki and Lorenzo
Stoakes as reviewers (thanks everyone).
And a few other cleanups and improvements.
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Merge tag 'rust-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux
Pull Rust updates from Miguel Ojeda:
"Toolchain and infrastructure:
- Enable a set of Clippy lints: 'ptr_as_ptr', 'ptr_cast_constness',
'as_ptr_cast_mut', 'as_underscore', 'cast_lossless' and
'ref_as_ptr'
These are intended to avoid type casts with the 'as' operator,
which are quite powerful, into restricted variants that are less
powerful and thus should help to avoid mistakes
- Remove the 'author' key now that most instances were moved to the
plural one in the previous cycle
'kernel' crate:
- New 'bug' module: add 'warn_on!' macro which reuses the existing
'BUG'/'WARN' infrastructure, i.e. it respects the usual sysctls and
kernel parameters:
warn_on!(value == 42);
To avoid duplicating the assembly code, the same strategy is
followed as for the static branch code in order to share the
assembly between both C and Rust
This required a few rearrangements on C arch headers -- the
existing C macros should still generate the same outputs, thus no
functional change expected there
- 'workqueue' module: add delayed work items, including a
'DelayedWork' struct, a 'impl_has_delayed_work!' macro and an
'enqueue_delayed' method, e.g.:
/// Enqueue the struct for execution on the system workqueue,
/// where its value will be printed 42 jiffies later.
fn print_later(value: Arc<MyStruct>) {
let _ = workqueue::system().enqueue_delayed(value, 42);
}
- New 'bits' module: add support for 'bit' and 'genmask' functions,
with runtime- and compile-time variants, e.g.:
static_assert!(0b00010000 == bit_u8(4));
static_assert!(0b00011110 == genmask_u8(1..=4));
assert!(checked_bit_u32(u32::BITS).is_none());
- 'uaccess' module: add 'UserSliceReader::strcpy_into_buf', which
reads NUL-terminated strings from userspace into a '&CStr'
Introduce 'UserPtr' newtype, similar in purpose to '__user' in C,
to minimize mistakes handling userspace pointers, including mixing
them up with integers and leaking them via the 'Debug' trait. Add
it to the prelude, too
- Start preparations for the replacement of our custom 'CStr' type
with the analogous type in the 'core' standard library. This will
take place across several cycles to make it easier. For this one,
it includes a new 'fmt' module, using upstream method names and
some other cleanups
Replace 'fmt!' with a re-export, which helps Clippy lint properly,
and clean up the found 'uninlined-format-args' instances
- 'dma' module:
- Clarify wording and be consistent in 'coherent' nomenclature
- Convert the 'read!()' and 'write!()' macros to return a 'Result'
- Add 'as_slice()', 'write()' methods in 'CoherentAllocation'
- Expose 'count()' and 'size()' in 'CoherentAllocation' and add
the corresponding type invariants
- Implement 'CoherentAllocation::dma_handle_with_offset()'
- 'time' module:
- Make 'Instant' generic over clock source. This allows the
compiler to assert that arithmetic expressions involving the
'Instant' use 'Instants' based on the same clock source
- Make 'HrTimer' generic over the timer mode. 'HrTimer' timers
take a 'Duration' or an 'Instant' when setting the expiry time,
depending on the timer mode. With this change, the compiler can
check the type matches the timer mode
- Add an abstraction for 'fsleep'. 'fsleep' is a flexible sleep
function that will select an appropriate sleep method depending
on the requested sleep time
- Avoid 64-bit divisions on 32-bit hardware when calculating
timestamps
- Seal the 'HrTimerMode' trait. This prevents users of the
'HrTimerMode' from implementing the trait on their own types
- Pass the correct timer mode ID to 'hrtimer_start_range_ns()'
- 'list' module: remove 'OFFSET' constants, allowing to remove
pointer arithmetic; now 'impl_list_item!' invokes
'impl_has_list_links!' or 'impl_has_list_links_self_ptr!'. Other
simplifications too
- 'types' module: remove 'ForeignOwnable::PointedTo' in favor of a
constant, which avoids exposing the type of the opaque pointer, and
require 'into_foreign' to return non-null
Remove the 'Either<L, R>' type as well. It is unused, and we want
to encourage the use of custom enums for concrete use cases
- 'sync' module: implement 'Borrow' and 'BorrowMut' for 'Arc' types
to allow them to be used in generic APIs
- 'alloc' module: implement 'Borrow' and 'BorrowMut' for 'Box<T, A>';
and 'Borrow', 'BorrowMut' and 'Default' for 'Vec<T, A>'
- 'Opaque' type: add 'cast_from' method to perform a restricted cast
that cannot change the inner type and use it in callers of
'container_of!'. Rename 'raw_get' to 'cast_into' to match it
- 'rbtree' module: add 'is_empty' method
- 'sync' module: new 'aref' submodule to hold 'AlwaysRefCounted' and
'ARef', which are moved from the too general 'types' module which
we want to reduce or eventually remove. Also fix a safety comment
in 'static_lock_class'
'pin-init' crate:
- Add 'impl<T, E> [Pin]Init<T, E> for Result<T, E>', so results are
now (pin-)initializers
- Add 'Zeroable::init_zeroed()' that delegates to 'init_zeroed()'
- New 'zeroed()', a safe version of 'mem::zeroed()' and also provide
it via 'Zeroable::zeroed()'
- Implement 'Zeroable' for 'Option<&T>', 'Option<&mut T>' and for
'Option<[unsafe] [extern "abi"] fn(...args...) -> ret>' for
'"Rust"' and '"C"' ABIs and up to 20 arguments
- Changed blanket impls of 'Init' and 'PinInit' from 'impl<T, E>
[Pin]Init<T, E> for T' to 'impl<T> [Pin]Init<T> for T'
- Renamed 'zeroed()' to 'init_zeroed()'
- Upstream dev news: improve CI more to deny warnings, use
'--all-targets'. Check the synchronization status of the two
'-next' branches in upstream and the kernel
MAINTAINERS:
- Add Vlastimil Babka, Liam R. Howlett, Uladzislau Rezki and Lorenzo
Stoakes as reviewers (thanks everyone)
And a few other cleanups and improvements"
* tag 'rust-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ojeda/linux: (76 commits)
rust: Add warn_on macro
arm64/bug: Add ARCH_WARN_ASM macro for BUG/WARN asm code sharing with Rust
riscv/bug: Add ARCH_WARN_ASM macro for BUG/WARN asm code sharing with Rust
x86/bug: Add ARCH_WARN_ASM macro for BUG/WARN asm code sharing with Rust
rust: kernel: move ARef and AlwaysRefCounted to sync::aref
rust: sync: fix safety comment for `static_lock_class`
rust: types: remove `Either<L, R>`
rust: kernel: use `core::ffi::CStr` method names
rust: str: add `CStr` methods matching `core::ffi::CStr`
rust: str: remove unnecessary qualification
rust: use `kernel::{fmt,prelude::fmt!}`
rust: kernel: add `fmt` module
rust: kernel: remove `fmt!`, fix clippy::uninlined-format-args
scripts: rust: emit path candidates in panic message
scripts: rust: replace length checks with match
rust: list: remove nonexistent generic parameter in link
rust: bits: add support for bits/genmask macros
rust: list: remove OFFSET constants
rust: list: add `impl_list_item!` examples
rust: list: use fully qualified path
...
|
||
WangYuli
|
53f433891e |
scripts/spelling.txt: add notifer||notifier to spelling.txt
This typo was not listed in scripts/spelling.txt, thus it was more difficult to detect. Add it for convenience. Link: https://lkml.kernel.org/r/02153C05ED7B49B7+20250722073431.21983-8-wangyuli@uniontech.com Signed-off-by: WangYuli <wangyuli@uniontech.com> Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
||
|
Linus Torvalds
|
beace86e61 |
Summary of significant series in this pull request:
- The 4 patch series "mm: ksm: prevent KSM from breaking merging of new
VMAs" from Lorenzo Stoakes addresses an issue with KSM's
PR_SET_MEMORY_MERGE mode: newly mapped VMAs were not eligible for
merging with existing adjacent VMAs.
- The 4 patch series "mm/damon: introduce DAMON_STAT for simple and
practical access monitoring" from SeongJae Park adds a new kernel module
which simplifies the setup and usage of DAMON in production
environments.
- The 6 patch series "stop passing a writeback_control to swap/shmem
writeout" from Christoph Hellwig is a cleanup to the writeback code
which removes a couple of pointers from struct writeback_control.
- The 7 patch series "drivers/base/node.c: optimization and cleanups"
from Donet Tom contains largely uncorrelated cleanups to the NUMA node
setup and management code.
- The 4 patch series "mm: userfaultfd: assorted fixes and cleanups" from
Tal Zussman does some maintenance work on the userfaultfd code.
- The 5 patch series "Readahead tweaks for larger folios" from Ryan
Roberts implements some tuneups for pagecache readahead when it is
reading into order>0 folios.
- The 4 patch series "selftests/mm: Tweaks to the cow test" from Mark
Brown provides some cleanups and consistency improvements to the
selftests code.
- The 4 patch series "Optimize mremap() for large folios" from Dev Jain
does that. A 37% reduction in execution time was measured in a
memset+mremap+munmap microbenchmark.
- The 5 patch series "Remove zero_user()" from Matthew Wilcox expunges
zero_user() in favor of the more modern memzero_page().
- The 3 patch series "mm/huge_memory: vmf_insert_folio_*() and
vmf_insert_pfn_pud() fixes" from David Hildenbrand addresses some warts
which David noticed in the huge page code. These were not known to be
causing any issues at this time.
- The 3 patch series "mm/damon: use alloc_migrate_target() for
DAMOS_MIGRATE_{HOT,COLD" from SeongJae Park provides some cleanup and
consolidation work in DAMON.
- The 3 patch series "use vm_flags_t consistently" from Lorenzo Stoakes
uses vm_flags_t in places where we were inappropriately using other
types.
- The 3 patch series "mm/memfd: Reserve hugetlb folios before
allocation" from Vivek Kasireddy increases the reliability of large page
allocation in the memfd code.
- The 14 patch series "mm: Remove pXX_devmap page table bit and pfn_t
type" from Alistair Popple removes several now-unneeded PFN_* flags.
- The 5 patch series "mm/damon: decouple sysfs from core" from SeongJae
Park implememnts some cleanup and maintainability work in the DAMON
sysfs layer.
- The 5 patch series "madvise cleanup" from Lorenzo Stoakes does quite a
lot of cleanup/maintenance work in the madvise() code.
- The 4 patch series "madvise anon_name cleanups" from Vlastimil Babka
provides additional cleanups on top or Lorenzo's effort.
- The 11 patch series "Implement numa node notifier" from Oscar Salvador
creates a standalone notifier for NUMA node memory state changes.
Previously these were lumped under the more general memory on/offline
notifier.
- The 6 patch series "Make MIGRATE_ISOLATE a standalone bit" from Zi Yan
cleans up the pageblock isolation code and fixes a potential issue which
doesn't seem to cause any problems in practice.
- The 5 patch series "selftests/damon: add python and drgn based DAMON
sysfs functionality tests" from SeongJae Park adds additional drgn- and
python-based DAMON selftests which are more comprehensive than the
existing selftest suite.
- The 5 patch series "Misc rework on hugetlb faulting path" from Oscar
Salvador fixes a rather obscure deadlock in the hugetlb fault code and
follows that fix with a series of cleanups.
- The 3 patch series "cma: factor out allocation logic from
__cma_declare_contiguous_nid" from Mike Rapoport rationalizes and cleans
up the highmem-specific code in the CMA allocator.
- The 28 patch series "mm/migration: rework movable_ops page migration
(part 1)" from David Hildenbrand provides cleanups and
future-preparedness to the migration code.
- The 2 patch series "mm/damon: add trace events for auto-tuned
monitoring intervals and DAMOS quota" from SeongJae Park adds some
tracepoints to some DAMON auto-tuning code.
- The 6 patch series "mm/damon: fix misc bugs in DAMON modules" from
SeongJae Park does that.
- The 6 patch series "mm/damon: misc cleanups" from SeongJae Park also
does what it claims.
- The 4 patch series "mm: folio_pte_batch() improvements" from David
Hildenbrand cleans up the large folio PTE batching code.
- The 13 patch series "mm/damon/vaddr: Allow interleaving in
migrate_{hot,cold} actions" from SeongJae Park facilitates dynamic
alteration of DAMON's inter-node allocation policy.
- The 3 patch series "Remove unmap_and_put_page()" from Vishal Moola
provides a couple of page->folio conversions.
- The 4 patch series "mm: per-node proactive reclaim" from Davidlohr
Bueso implements a per-node control of proactive reclaim - beyond the
current memcg-based implementation.
- The 14 patch series "mm/damon: remove damon_callback" from SeongJae
Park replaces the damon_callback interface with a more general and
powerful damon_call()+damos_walk() interface.
- The 10 patch series "mm/mremap: permit mremap() move of multiple VMAs"
from Lorenzo Stoakes implements a number of mremap cleanups (of course)
in preparation for adding new mremap() functionality: newly permit the
remapping of multiple VMAs when the user is specifying MREMAP_FIXED. It
still excludes some specialized situations where this cannot be
performed reliably.
- The 3 patch series "drop hugetlb_free_pgd_range()" from Anthony Yznaga
switches some sparc hugetlb code over to the generic version and removes
the thus-unneeded hugetlb_free_pgd_range().
- The 4 patch series "mm/damon/sysfs: support periodic and automated
stats update" from SeongJae Park augments the present
userspace-requested update of DAMON sysfs monitoring files. Automatic
update is now provided, along with a tunable to control the update
interval.
- The 4 patch series "Some randome fixes and cleanups to swapfile" from
Kemeng Shi does what is claims.
- The 4 patch series "mm: introduce snapshot_page" from Luiz Capitulino
and David Hildenbrand provides (and uses) a means by which debug-style
functions can grab a copy of a pageframe and inspect it locklessly
without tripping over the races inherent in operating on the live
pageframe directly.
- The 6 patch series "use per-vma locks for /proc/pid/maps reads" from
Suren Baghdasaryan addresses the large contention issues which can be
triggered by reads from that procfs file. Latencies are reduced by more
than half in some situations. The series also introduces several new
selftests for the /proc/pid/maps interface.
- The 6 patch series "__folio_split() clean up" from Zi Yan cleans up
__folio_split()!
- The 7 patch series "Optimize mprotect() for large folios" from Dev
Jain provides some quite large (>3x) speedups to mprotect() when dealing
with large folios.
- The 2 patch series "selftests/mm: reuse FORCE_READ to replace "asm
volatile("" : "+r" (XXX));" and some cleanup" from wang lian does some
cleanup work in the selftests code.
- The 3 patch series "tools/testing: expand mremap testing" from Lorenzo
Stoakes extends the mremap() selftest in several ways, including adding
more checking of Lorenzo's recently added "permit mremap() move of
multiple VMAs" feature.
- The 22 patch series "selftests/damon/sysfs.py: test all parameters"
from SeongJae Park extends the DAMON sysfs interface selftest so that it
tests all possible user-requested parameters. Rather than the present
minimal subset.
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Merge tag 'mm-stable-2025-07-30-15-25' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull MM updates from Andrew Morton:
"As usual, many cleanups. The below blurbiage describes 42 patchsets.
21 of those are partially or fully cleanup work. "cleans up",
"cleanup", "maintainability", "rationalizes", etc.
I never knew the MM code was so dirty.
"mm: ksm: prevent KSM from breaking merging of new VMAs" (Lorenzo Stoakes)
addresses an issue with KSM's PR_SET_MEMORY_MERGE mode: newly
mapped VMAs were not eligible for merging with existing adjacent
VMAs.
"mm/damon: introduce DAMON_STAT for simple and practical access monitoring" (SeongJae Park)
adds a new kernel module which simplifies the setup and usage of
DAMON in production environments.
"stop passing a writeback_control to swap/shmem writeout" (Christoph Hellwig)
is a cleanup to the writeback code which removes a couple of
pointers from struct writeback_control.
"drivers/base/node.c: optimization and cleanups" (Donet Tom)
contains largely uncorrelated cleanups to the NUMA node setup and
management code.
"mm: userfaultfd: assorted fixes and cleanups" (Tal Zussman)
does some maintenance work on the userfaultfd code.
"Readahead tweaks for larger folios" (Ryan Roberts)
implements some tuneups for pagecache readahead when it is reading
into order>0 folios.
"selftests/mm: Tweaks to the cow test" (Mark Brown)
provides some cleanups and consistency improvements to the
selftests code.
"Optimize mremap() for large folios" (Dev Jain)
does that. A 37% reduction in execution time was measured in a
memset+mremap+munmap microbenchmark.
"Remove zero_user()" (Matthew Wilcox)
expunges zero_user() in favor of the more modern memzero_page().
"mm/huge_memory: vmf_insert_folio_*() and vmf_insert_pfn_pud() fixes" (David Hildenbrand)
addresses some warts which David noticed in the huge page code.
These were not known to be causing any issues at this time.
"mm/damon: use alloc_migrate_target() for DAMOS_MIGRATE_{HOT,COLD" (SeongJae Park)
provides some cleanup and consolidation work in DAMON.
"use vm_flags_t consistently" (Lorenzo Stoakes)
uses vm_flags_t in places where we were inappropriately using other
types.
"mm/memfd: Reserve hugetlb folios before allocation" (Vivek Kasireddy)
increases the reliability of large page allocation in the memfd
code.
"mm: Remove pXX_devmap page table bit and pfn_t type" (Alistair Popple)
removes several now-unneeded PFN_* flags.
"mm/damon: decouple sysfs from core" (SeongJae Park)
implememnts some cleanup and maintainability work in the DAMON
sysfs layer.
"madvise cleanup" (Lorenzo Stoakes)
does quite a lot of cleanup/maintenance work in the madvise() code.
"madvise anon_name cleanups" (Vlastimil Babka)
provides additional cleanups on top or Lorenzo's effort.
"Implement numa node notifier" (Oscar Salvador)
creates a standalone notifier for NUMA node memory state changes.
Previously these were lumped under the more general memory
on/offline notifier.
"Make MIGRATE_ISOLATE a standalone bit" (Zi Yan)
cleans up the pageblock isolation code and fixes a potential issue
which doesn't seem to cause any problems in practice.
"selftests/damon: add python and drgn based DAMON sysfs functionality tests" (SeongJae Park)
adds additional drgn- and python-based DAMON selftests which are
more comprehensive than the existing selftest suite.
"Misc rework on hugetlb faulting path" (Oscar Salvador)
fixes a rather obscure deadlock in the hugetlb fault code and
follows that fix with a series of cleanups.
"cma: factor out allocation logic from __cma_declare_contiguous_nid" (Mike Rapoport)
rationalizes and cleans up the highmem-specific code in the CMA
allocator.
"mm/migration: rework movable_ops page migration (part 1)" (David Hildenbrand)
provides cleanups and future-preparedness to the migration code.
"mm/damon: add trace events for auto-tuned monitoring intervals and DAMOS quota" (SeongJae Park)
adds some tracepoints to some DAMON auto-tuning code.
"mm/damon: fix misc bugs in DAMON modules" (SeongJae Park)
does that.
"mm/damon: misc cleanups" (SeongJae Park)
also does what it claims.
"mm: folio_pte_batch() improvements" (David Hildenbrand)
cleans up the large folio PTE batching code.
"mm/damon/vaddr: Allow interleaving in migrate_{hot,cold} actions" (SeongJae Park)
facilitates dynamic alteration of DAMON's inter-node allocation
policy.
"Remove unmap_and_put_page()" (Vishal Moola)
provides a couple of page->folio conversions.
"mm: per-node proactive reclaim" (Davidlohr Bueso)
implements a per-node control of proactive reclaim - beyond the
current memcg-based implementation.
"mm/damon: remove damon_callback" (SeongJae Park)
replaces the damon_callback interface with a more general and
powerful damon_call()+damos_walk() interface.
"mm/mremap: permit mremap() move of multiple VMAs" (Lorenzo Stoakes)
implements a number of mremap cleanups (of course) in preparation
for adding new mremap() functionality: newly permit the remapping
of multiple VMAs when the user is specifying MREMAP_FIXED. It still
excludes some specialized situations where this cannot be performed
reliably.
"drop hugetlb_free_pgd_range()" (Anthony Yznaga)
switches some sparc hugetlb code over to the generic version and
removes the thus-unneeded hugetlb_free_pgd_range().
"mm/damon/sysfs: support periodic and automated stats update" (SeongJae Park)
augments the present userspace-requested update of DAMON sysfs
monitoring files. Automatic update is now provided, along with a
tunable to control the update interval.
"Some randome fixes and cleanups to swapfile" (Kemeng Shi)
does what is claims.
"mm: introduce snapshot_page" (Luiz Capitulino and David Hildenbrand)
provides (and uses) a means by which debug-style functions can grab
a copy of a pageframe and inspect it locklessly without tripping
over the races inherent in operating on the live pageframe
directly.
"use per-vma locks for /proc/pid/maps reads" (Suren Baghdasaryan)
addresses the large contention issues which can be triggered by
reads from that procfs file. Latencies are reduced by more than
half in some situations. The series also introduces several new
selftests for the /proc/pid/maps interface.
"__folio_split() clean up" (Zi Yan)
cleans up __folio_split()!
"Optimize mprotect() for large folios" (Dev Jain)
provides some quite large (>3x) speedups to mprotect() when dealing
with large folios.
"selftests/mm: reuse FORCE_READ to replace "asm volatile("" : "+r" (XXX));" and some cleanup" (wang lian)
does some cleanup work in the selftests code.
"tools/testing: expand mremap testing" (Lorenzo Stoakes)
extends the mremap() selftest in several ways, including adding
more checking of Lorenzo's recently added "permit mremap() move of
multiple VMAs" feature.
"selftests/damon/sysfs.py: test all parameters" (SeongJae Park)
extends the DAMON sysfs interface selftest so that it tests all
possible user-requested parameters. Rather than the present minimal
subset"
* tag 'mm-stable-2025-07-30-15-25' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (370 commits)
MAINTAINERS: add missing headers to mempory policy & migration section
MAINTAINERS: add missing file to cgroup section
MAINTAINERS: add MM MISC section, add missing files to MISC and CORE
MAINTAINERS: add missing zsmalloc file
MAINTAINERS: add missing files to page alloc section
MAINTAINERS: add missing shrinker files
MAINTAINERS: move memremap.[ch] to hotplug section
MAINTAINERS: add missing mm_slot.h file THP section
MAINTAINERS: add missing interval_tree.c to memory mapping section
MAINTAINERS: add missing percpu-internal.h file to per-cpu section
mm/page_alloc: remove trace_mm_alloc_contig_migrate_range_info()
selftests/damon: introduce _common.sh to host shared function
selftests/damon/sysfs.py: test runtime reduction of DAMON parameters
selftests/damon/sysfs.py: test non-default parameters runtime commit
selftests/damon/sysfs.py: generalize DAMON context commit assertion
selftests/damon/sysfs.py: generalize monitoring attributes commit assertion
selftests/damon/sysfs.py: generalize DAMOS schemes commit assertion
selftests/damon/sysfs.py: test DAMOS filters commitment
selftests/damon/sysfs.py: generalize DAMOS scheme commit assertion
selftests/damon/sysfs.py: test DAMOS destinations commitment
...
|
||
|
Linus Torvalds
|
b1cce98493 |
It has been a relatively busy cycle for docs, especially the build system:
- The Perl kernel-doc script was added to 2.3.52pre1 just after the turn of
the millennium. Over the following 25 years, it accumulated a vast
amount of cruft, all in a language few people want to deal with anymore.
Mauro's Python replacement in 6.16 faithfully reproduced all of the cruft
in the hope of avoiding regressions. Now that we have a more reasonable
code base, though, we can work on cleaning it up; many of the changes
this time around are toward that end.
- A reorganization of the ext4 docs into the usual TOC format.
- Various Chinese translations and updates.
- A new script from Mauro to help with docs-build testing.
- A new document for linked lists
- A sweep through MAINTAINERS fixing broken GitHub git:// repository links.
...and lots of fixes and updates.
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Merge tag 'docs-6.17' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"It has been a relatively busy cycle for docs, especially the build
system:
- The Perl kernel-doc script was added to 2.3.52pre1 just after the
turn of the millennium. Over the following 25 years, it accumulated
a vast amount of cruft, all in a language few people want to deal
with anymore. Mauro's Python replacement in 6.16 faithfully
reproduced all of the cruft in the hope of avoiding regressions.
Now that we have a more reasonable code base, though, we can work
on cleaning it up; many of the changes this time around are toward
that end.
- A reorganization of the ext4 docs into the usual TOC format.
- Various Chinese translations and updates.
- A new script from Mauro to help with docs-build testing.
- A new document for linked lists
- A sweep through MAINTAINERS fixing broken GitHub git:// repository
links.
...and lots of fixes and updates"
* tag 'docs-6.17' of git://git.lwn.net/linux: (147 commits)
scripts: add origin commit identification based on specific patterns
sphinx: kernel_abi: fix performance regression with O=<dir>
Documentation: core-api: entry: Replace deprecated KVM entry/exit functions
docs: fault-injection: drop reference to md-faulty
docs: document linked lists
scripts: kdoc: make it backward-compatible with Python 3.7
docs: kernel-doc: emit warnings for ancient versions of Python
Documentation/rtla: Describe exit status
Documentation/rtla: Add include common_appendix.rst
docs: kernel: Clarify printk_ratelimit_burst reset behavior
Documentation: ioctl-number: Don't repeat macro names
Documentation: ioctl-number: Shorten macros table
Documentation: ioctl-number: Correct full path to papr-physical-attestation.h
Documentation: ioctl-number: Extend "Include File" column width
Documentation: ioctl-number: Fix linuxppc-dev mailto link
overlayfs.rst: fix typos
docs: kdoc: emit a warning for ancient versions of Python
docs: kdoc: clean up check_sections()
docs: kdoc: directly access the always-there KdocItem fields
docs: kdoc: straighten up dump_declaration()
...
|
||
|
Linus Torvalds
|
90a871f74b |
ftrace changes for v6.17:
- Keep track of when fgraph_ops are registered or not Keep accounting of when fgraph_ops are registered as if a fgraph_ops is registered twice it can mess up the accounting and it will not work as expected later. Trigger a warning if something registers it twice as to catch bugs before they are found by things just not working as expected. - Make DYNAMIC_FTRACE always enabled for architectures that support it As static ftrace (where all functions are always traced) is very expensive and only exists to help architectures support ftrace, do not make it an option. As soon as an architecture supports DYNAMIC_FTRACE make it use it. This simplifies the code. - Remove redundant config HAVE_FTRACE_MCOUNT_RECORD The CONFIG_HAVE_FTRACE_MCOUNT was added to help simplify the DYNAMIC_FTRACE work, but now every architecture that implements DYNAMIC_FTRACE also has HAVE_FTRACE_MCOUNT set too, making it redundant with the HAVE_DYNAMIC_FTRACE. - Make pid_ptr string size match the comment In print_graph_proc() the pid_ptr string is of size 11, but the comment says /* sign + log10(MAX_INT) + '\0' */ which is actually 12. -----BEGIN PGP SIGNATURE----- iIoEABYKADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCaIkVkRQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qmdxAPsGcyT/gnyX/wf70cI63QoODrlRAd7M tg3R0J0H41U05QD/apttbA9GSdZ8bDLLSFAXTJgr8f4GvYvbUsmu2sMBBA8= =gd9V -----END PGP SIGNATURE----- Merge tag 'ftrace-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull ftrace updates from Steven Rostedt: - Keep track of when fgraph_ops are registered or not Keep accounting of when fgraph_ops are registered as if a fgraph_ops is registered twice it can mess up the accounting and it will not work as expected later. Trigger a warning if something registers it twice as to catch bugs before they are found by things just not working as expected. - Make DYNAMIC_FTRACE always enabled for architectures that support it As static ftrace (where all functions are always traced) is very expensive and only exists to help architectures support ftrace, do not make it an option. As soon as an architecture supports DYNAMIC_FTRACE make it use it. This simplifies the code. - Remove redundant config HAVE_FTRACE_MCOUNT_RECORD The CONFIG_HAVE_FTRACE_MCOUNT was added to help simplify the DYNAMIC_FTRACE work, but now every architecture that implements DYNAMIC_FTRACE also has HAVE_FTRACE_MCOUNT set too, making it redundant with the HAVE_DYNAMIC_FTRACE. - Make pid_ptr string size match the comment In print_graph_proc() the pid_ptr string is of size 11, but the comment says /* sign + log10(MAX_INT) + '\0' */ which is actually 12. * tag 'ftrace-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: tracing: Remove redundant config HAVE_FTRACE_MCOUNT_RECORD ftrace: Make DYNAMIC_FTRACE always enabled for architectures that support it fgraph: Keep track of when fgraph_ops are registered or not fgraph: Make pid_str size match the comment |
||
|
Linus Torvalds
|
2db4df0c09 |
RCU pull request for v6.17
This pull request contains the following branches:
rcu-exp.23.07.2025
- Protect against early RCU exp quiescent state reporting during exp
grace period initialization.
- Remove superfluous barrier in task unblock path.
- Remove the CPU online quiescent state report optimization, which is
error prone for certain scenarios.
- Add warning for unexpected pending requested expedited quiescent
state on dying CPU.
rcu.22.07.2025
- Robustify rcu_is_cpu_rrupt_from_idle() by using more accurate
indicators of the actual context tracking state of a CPU.
- Handle ->defer_qs_iw_pending field data race.
- Enable rcu_normal_wake_from_gp by default on systems with <= 16 CPUs.
- Fix lockup in rcu_read_unlock() due to recursive irq_exit() calls.
- Refactor expedited handling condition in rcu_read_unlock_special().
- Documentation updates for hotplug and GP init scan ordering,
separation of rcu_state and rnp's gp_seq states, quiescent state
reporting for offline CPUs.
torture-scripts.16.07.2025
- Cleanup and improve scripts : remove superfluous warnings for disabled
tests; better handling of kvm.sh --kconfig arg; suppress some confusing
diagnostics; tolerate bad kvm.sh args; add new diagnostic for build
output; fail allmodconfig testing on warnings.
- Include RCU_TORTURE_TEST_CHK_RDR_STATE config for KCSAN kernels.
- Disable default RCU-tasks and clocksource-wdog testing on arm64.
- Add EXPERT Kconfig option for arm64 KCSAN runs.
- Remove SRCU-lite testing.
rcutorture.16.07.2025
- Start torture writer threads creation after reader threads to handle
race in SRCU-P scenario.
- Add SRCU down_read()/up_read() test.
- Add diagnostics for delayed SRCU up_read(), unmatched up_read(), print
number of up/down readers and the number of such readers which
migrated to other CPU.
- Ignore certain unsupported configurations for trivial RCU test.
- Fix splats in RT kernels due to inaccurate checks for BH-disabled
context.
- Enable checks and logs to capture intentionally exercised unexpected
scenarios (too short readers) for BUSTED test.
- Remove SRCU-lite testing.
srcu.19.07.2025
- Expedite SRCU-fast grace periods.
- Remove SRCU-lite implementation.
- Add guards for SRCU-fast readers.
rcu.nocb.18.07.2025
- Dump NOCB group leader state on stall detection.
- Robustify nocb_cb_kthread pointer accesses.
- Fix delayed execution of hurry callbacks when LAZY_RCU is enabled.
refscale.07.07.2025
- Fix multiplication overflow in "loops" and "nreaders" calculations.
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Merge tag 'rcu.release.v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux
Pull RCU updates from Neeraj Upadhyay:
"Expedited grace period updates:
- Protect against early RCU exp quiescent state reporting during exp
grace period initialization
- Remove superfluous barrier in task unblock path
- Remove the CPU online quiescent state report optimization, which is
error prone for certain scenarios
- Add warning for unexpected pending requested expedited quiescent
state on dying CPU
Core:
- Robustify rcu_is_cpu_rrupt_from_idle() by using more accurate
indicators of the actual context tracking state of a CPU
- Handle ->defer_qs_iw_pending field data race
- Enable rcu_normal_wake_from_gp by default on systems with <= 16
CPUs
- Fix lockup in rcu_read_unlock() due to recursive irq_exit() calls
- Refactor expedited handling condition in rcu_read_unlock_special()
- Documentation updates for hotplug and GP init scan ordering,
separation of rcu_state and rnp's gp_seq states, quiescent state
reporting for offline CPUs
torture-scripts:
- Cleanup and improve scripts : remove superfluous warnings for
disabled tests; better handling of kvm.sh --kconfig arg; suppress
some confusing diagnostics; tolerate bad kvm.sh args; add new
diagnostic for build output; fail allmodconfig testing on warnings
- Include RCU_TORTURE_TEST_CHK_RDR_STATE config for KCSAN kernels
- Disable default RCU-tasks and clocksource-wdog testing on arm64
- Add EXPERT Kconfig option for arm64 KCSAN runs
- Remove SRCU-lite testing
rcutorture:
- Start torture writer threads creation after reader threads to
handle race in SRCU-P scenario
- Add SRCU down_read()/up_read() test
- Add diagnostics for delayed SRCU up_read(), unmatched up_read(),
print number of up/down readers and the number of such readers
which migrated to other CPU
- Ignore certain unsupported configurations for trivial RCU test
- Fix splats in RT kernels due to inaccurate checks for BH-disabled
context
- Enable checks and logs to capture intentionally exercised
unexpected scenarios (too short readers) for BUSTED test
- Remove SRCU-lite testing
srcu:
- Expedite SRCU-fast grace periods
- Remove SRCU-lite implementation
- Add guards for SRCU-fast readers
rcu nocb:
- Dump NOCB group leader state on stall detection
- Robustify nocb_cb_kthread pointer accesses
- Fix delayed execution of hurry callbacks when LAZY_RCU is enabled
refscale:
- Fix multiplication overflow in "loops" and "nreaders" calculations"
* tag 'rcu.release.v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/rcu/linux: (49 commits)
rcu: Document concurrent quiescent state reporting for offline CPUs
rcu: Document separation of rcu_state and rnp's gp_seq
rcu: Document GP init vs hotplug-scan ordering requirements
srcu: Add guards for SRCU-fast readers
rcu: Fix delayed execution of hurry callbacks
rcu: Refactor expedited handling check in rcu_read_unlock_special()
checkpatch: Remove SRCU-lite deprecation
srcu: Remove SRCU-lite implementation
srcu: Expedite SRCU-fast grace periods
rcutorture: Remove support for SRCU-lite
rcutorture: Remove SRCU-lite scenarios
torture: Remove support for SRCU-lite
torture: Make torture.sh --allmodconfig testing fail on warnings
torture: Add "ERROR" diagnostic for testing kernel-build output
torture: Make torture.sh tolerate runs having bad kvm.sh arguments
torture: Add textid.txt file to --do-allmodconfig and --do-rcu-rust runs
torture: Extract testid.txt generation to separate script
torture: Suppress "find" diagnostics from torture.sh --do-none run
torture: Provide EXPERT Kconfig option for arm64 KCSAN torture.sh runs
rcu: Fix rcu_read_unlock() deadloop due to IRQ work
...
|
||
|
Linus Torvalds
|
8be4d31cb8 |
Networking changes for 6.17.
Core & protocols
----------------
- Wrap datapath globals into net_aligned_data, to avoid false sharing.
- Preserve MSG_ZEROCOPY in forwarding (e.g. out of a container).
- Add SO_INQ and SCM_INQ support to AF_UNIX.
- Add SIOCINQ support to AF_VSOCK.
- Add TCP_MAXSEG sockopt to MPTCP.
- Add IPv6 force_forwarding sysctl to enable forwarding per interface.
- Make TCP validation of whether packet fully fits in the receive
window and the rcv_buf more strict. With increased use of HW
aggregation a single "packet" can be multiple 100s of kB.
- Add MSG_MORE flag to optimize large TCP transmissions via sockmap,
improves latency up to 33% for sockmap users.
- Convert TCP send queue handling from tasklet to BH workque.
- Improve BPF iteration over TCP sockets to see each socket exactly once.
- Remove obsolete and unused TCP RFC3517/RFC6675 loss recovery code.
- Support enabling kernel threads for NAPI processing on per-NAPI
instance basis rather than a whole device. Fully stop the kernel NAPI
thread when threaded NAPI gets disabled. Previously thread would stick
around until ifdown due to tricky synchronization.
- Allow multicast routing to take effect on locally-generated packets.
- Add output interface argument for End.X in segment routing.
- MCTP: add support for gateway routing, improve bind() handling.
- Don't require rtnl_lock when fetching an IPv6 neighbor over Netlink.
- Add a new neighbor flag ("extern_valid"), which cedes refresh
responsibilities to userspace. This is needed for EVPN multi-homing
where a neighbor entry for a multi-homed host needs to be synced
across all the VTEPs among which the host is multi-homed.
- Support NUD_PERMANENT for proxy neighbor entries.
- Add a new queuing discipline for IETF RFC9332 DualQ Coupled AQM.
- Add sequence numbers to netconsole messages. Unregister netconsole's
console when all net targets are removed. Code refactoring.
Add a number of selftests.
- Align IPSec inbound SA lookup to RFC 4301. Only SPI and protocol
should be used for an inbound SA lookup.
- Support inspecting ref_tracker state via DebugFS.
- Don't force bonding advertisement frames tx to ~333 ms boundaries.
Add broadcast_neighbor option to send ARP/ND on all bonded links.
- Allow providing upcall pid for the 'execute' command in openvswitch.
- Remove DCCP support from Netfilter's conntrack.
- Disallow multiple packet duplications in the queuing layer.
- Prevent use of deprecated iptables code on PREEMPT_RT.
Driver API
----------
- Support RSS and hashing configuration over ethtool Netlink.
- Add dedicated ethtool callbacks for getting and setting hashing fields.
- Add support for power budget evaluation strategy in PSE /
Power-over-Ethernet. Generate Netlink events for overcurrent etc.
- Support DPLL phase offset monitoring across all device inputs.
Support providing clock reference and SYNC over separate DPLL
inputs.
- Support traffic classes in devlink rate API for bandwidth management.
- Remove rtnl_lock dependency from UDP tunnel port configuration.
Device drivers
--------------
- Add a new Broadcom driver for 800G Ethernet (bnge).
- Add a standalone driver for Microchip ZL3073x DPLL.
- Remove IBM's NETIUCV device driver.
- Ethernet high-speed NICs:
- Broadcom (bnxt):
- support zero-copy Tx of DMABUF memory
- take page size into account for page pool recycling rings
- Intel (100G, ice, idpf):
- idpf: XDP and AF_XDP support preparations
- idpf: add flow steering
- add link_down_events statistic
- clean up the TSPLL code
- preparations for live VM migration
- nVidia/Mellanox:
- support zero-copy Rx/Tx interfaces (DMABUF and io_uring)
- optimize context memory usage for matchers
- expose serial numbers in devlink info
- support PCIe congestion metrics
- Meta (fbnic):
- add 25G, 50G, and 100G link modes to phylink
- support dumping FW logs
- Marvell/Cavium:
- support for CN20K generation of the Octeon chips
- Amazon:
- add HW clock (without timestamping, just hypervisor time access)
- Ethernet virtual:
- VirtIO net:
- support segmentation of UDP-tunnel-encapsulated packets
- Google (gve):
- support packet timestamping and clock synchronization
- Microsoft vNIC:
- add handler for device-originated servicing events
- allow dynamic MSI-X vector allocation
- support Tx bandwidth clamping
- Ethernet NICs consumer, and embedded:
- AMD:
- amd-xgbe: hardware timestamping and PTP clock support
- Broadcom integrated MACs (bcmgenet, bcmasp):
- use napi_complete_done() return value to support NAPI polling
- add support for re-starting auto-negotiation
- Broadcom switches (b53):
- support BCM5325 switches
- add bcm63xx EPHY power control
- Synopsys (stmmac):
- lots of code refactoring and cleanups
- TI:
- icssg-prueth: read firmware-names from device tree
- icssg: PRP offload support
- Microchip:
- lan78xx: convert to PHYLINK for improved PHY and MAC management
- ksz: add KSZ8463 switch support
- Intel:
- support similar queue priority scheme in multi-queue and
time-sensitive networking (taprio)
- support packet pre-emption in both
- RealTek (r8169):
- enable EEE at 5Gbps on RTL8126
- Airoha:
- add PPPoE offload support
- MDIO bus controller for Airoha AN7583
- Ethernet PHYs:
- support for the IPQ5018 internal GE PHY
- micrel KSZ9477 switch-integrated PHYs:
- add MDI/MDI-X control support
- add RX error counters
- add cable test support
- add Signal Quality Indicator (SQI) reporting
- dp83tg720: improve reset handling and reduce link recovery time
- support bcm54811 (and its MII-Lite interface type)
- air_en8811h: support resume/suspend
- support PHY counters for QCA807x and QCA808x
- support WoL for QCA807x
- CAN drivers:
- rcar_canfd: support for Transceiver Delay Compensation
- kvaser: report FW versions via devlink dev info
- WiFi:
- extended regulatory info support (6 GHz)
- add statistics and beacon monitor for Multi-Link Operation (MLO)
- support S1G aggregation, improve S1G support
- add Radio Measurement action fields
- support per-radio RTS threshold
- some work around how FIPS affects wifi, which was wrong (RC4 is used
by TKIP, not only WEP)
- improvements for unsolicited probe response handling
- WiFi drivers:
- RealTek (rtw88):
- IBSS mode for SDIO devices
- RealTek (rtw89):
- BT coexistence for MLO/WiFi7
- concurrent station + P2P support
- support for USB devices RTL8851BU/RTL8852BU
- Intel (iwlwifi):
- use embedded PNVM in (to be released) FW images to fix
compatibility issues
- many cleanups (unused FW APIs, PCIe code, WoWLAN)
- some FIPS interoperability
- MediaTek (mt76):
- firmware recovery improvements
- more MLO work
- Qualcomm/Atheros (ath12k):
- fix scan on multi-radio devices
- more EHT/Wi-Fi 7 features
- encapsulation/decapsulation offload
- Broadcom (brcm80211):
- support SDIO 43751 device
- Bluetooth:
- hci_event: add support for handling LE BIG Sync Lost event
- ISO: add socket option to report packet seqnum via CMSG
- ISO: support SCM_TIMESTAMPING for ISO TS
- Bluetooth drivers:
- intel_pcie: support Function Level Reset
- nxpuart: add support for 4M baudrate
- nxpuart: implement powerup sequence, reset, FW dump, and FW loading
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-next-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from Jakub Kicinski:
"Core & protocols:
- Wrap datapath globals into net_aligned_data, to avoid false sharing
- Preserve MSG_ZEROCOPY in forwarding (e.g. out of a container)
- Add SO_INQ and SCM_INQ support to AF_UNIX
- Add SIOCINQ support to AF_VSOCK
- Add TCP_MAXSEG sockopt to MPTCP
- Add IPv6 force_forwarding sysctl to enable forwarding per interface
- Make TCP validation of whether packet fully fits in the receive
window and the rcv_buf more strict. With increased use of HW
aggregation a single "packet" can be multiple 100s of kB
- Add MSG_MORE flag to optimize large TCP transmissions via sockmap,
improves latency up to 33% for sockmap users
- Convert TCP send queue handling from tasklet to BH workque
- Improve BPF iteration over TCP sockets to see each socket exactly
once
- Remove obsolete and unused TCP RFC3517/RFC6675 loss recovery code
- Support enabling kernel threads for NAPI processing on per-NAPI
instance basis rather than a whole device. Fully stop the kernel
NAPI thread when threaded NAPI gets disabled. Previously thread
would stick around until ifdown due to tricky synchronization
- Allow multicast routing to take effect on locally-generated packets
- Add output interface argument for End.X in segment routing
- MCTP: add support for gateway routing, improve bind() handling
- Don't require rtnl_lock when fetching an IPv6 neighbor over Netlink
- Add a new neighbor flag ("extern_valid"), which cedes refresh
responsibilities to userspace. This is needed for EVPN multi-homing
where a neighbor entry for a multi-homed host needs to be synced
across all the VTEPs among which the host is multi-homed
- Support NUD_PERMANENT for proxy neighbor entries
- Add a new queuing discipline for IETF RFC9332 DualQ Coupled AQM
- Add sequence numbers to netconsole messages. Unregister
netconsole's console when all net targets are removed. Code
refactoring. Add a number of selftests
- Align IPSec inbound SA lookup to RFC 4301. Only SPI and protocol
should be used for an inbound SA lookup
- Support inspecting ref_tracker state via DebugFS
- Don't force bonding advertisement frames tx to ~333 ms boundaries.
Add broadcast_neighbor option to send ARP/ND on all bonded links
- Allow providing upcall pid for the 'execute' command in openvswitch
- Remove DCCP support from Netfilter's conntrack
- Disallow multiple packet duplications in the queuing layer
- Prevent use of deprecated iptables code on PREEMPT_RT
Driver API:
- Support RSS and hashing configuration over ethtool Netlink
- Add dedicated ethtool callbacks for getting and setting hashing
fields
- Add support for power budget evaluation strategy in PSE /
Power-over-Ethernet. Generate Netlink events for overcurrent etc
- Support DPLL phase offset monitoring across all device inputs.
Support providing clock reference and SYNC over separate DPLL
inputs
- Support traffic classes in devlink rate API for bandwidth
management
- Remove rtnl_lock dependency from UDP tunnel port configuration
Device drivers:
- Add a new Broadcom driver for 800G Ethernet (bnge)
- Add a standalone driver for Microchip ZL3073x DPLL
- Remove IBM's NETIUCV device driver
- Ethernet high-speed NICs:
- Broadcom (bnxt):
- support zero-copy Tx of DMABUF memory
- take page size into account for page pool recycling rings
- Intel (100G, ice, idpf):
- idpf: XDP and AF_XDP support preparations
- idpf: add flow steering
- add link_down_events statistic
- clean up the TSPLL code
- preparations for live VM migration
- nVidia/Mellanox:
- support zero-copy Rx/Tx interfaces (DMABUF and io_uring)
- optimize context memory usage for matchers
- expose serial numbers in devlink info
- support PCIe congestion metrics
- Meta (fbnic):
- add 25G, 50G, and 100G link modes to phylink
- support dumping FW logs
- Marvell/Cavium:
- support for CN20K generation of the Octeon chips
- Amazon:
- add HW clock (without timestamping, just hypervisor time access)
- Ethernet virtual:
- VirtIO net:
- support segmentation of UDP-tunnel-encapsulated packets
- Google (gve):
- support packet timestamping and clock synchronization
- Microsoft vNIC:
- add handler for device-originated servicing events
- allow dynamic MSI-X vector allocation
- support Tx bandwidth clamping
- Ethernet NICs consumer, and embedded:
- AMD:
- amd-xgbe: hardware timestamping and PTP clock support
- Broadcom integrated MACs (bcmgenet, bcmasp):
- use napi_complete_done() return value to support NAPI polling
- add support for re-starting auto-negotiation
- Broadcom switches (b53):
- support BCM5325 switches
- add bcm63xx EPHY power control
- Synopsys (stmmac):
- lots of code refactoring and cleanups
- TI:
- icssg-prueth: read firmware-names from device tree
- icssg: PRP offload support
- Microchip:
- lan78xx: convert to PHYLINK for improved PHY and MAC management
- ksz: add KSZ8463 switch support
- Intel:
- support similar queue priority scheme in multi-queue and
time-sensitive networking (taprio)
- support packet pre-emption in both
- RealTek (r8169):
- enable EEE at 5Gbps on RTL8126
- Airoha:
- add PPPoE offload support
- MDIO bus controller for Airoha AN7583
- Ethernet PHYs:
- support for the IPQ5018 internal GE PHY
- micrel KSZ9477 switch-integrated PHYs:
- add MDI/MDI-X control support
- add RX error counters
- add cable test support
- add Signal Quality Indicator (SQI) reporting
- dp83tg720: improve reset handling and reduce link recovery time
- support bcm54811 (and its MII-Lite interface type)
- air_en8811h: support resume/suspend
- support PHY counters for QCA807x and QCA808x
- support WoL for QCA807x
- CAN drivers:
- rcar_canfd: support for Transceiver Delay Compensation
- kvaser: report FW versions via devlink dev info
- WiFi:
- extended regulatory info support (6 GHz)
- add statistics and beacon monitor for Multi-Link Operation (MLO)
- support S1G aggregation, improve S1G support
- add Radio Measurement action fields
- support per-radio RTS threshold
- some work around how FIPS affects wifi, which was wrong (RC4 is
used by TKIP, not only WEP)
- improvements for unsolicited probe response handling
- WiFi drivers:
- RealTek (rtw88):
- IBSS mode for SDIO devices
- RealTek (rtw89):
- BT coexistence for MLO/WiFi7
- concurrent station + P2P support
- support for USB devices RTL8851BU/RTL8852BU
- Intel (iwlwifi):
- use embedded PNVM in (to be released) FW images to fix
compatibility issues
- many cleanups (unused FW APIs, PCIe code, WoWLAN)
- some FIPS interoperability
- MediaTek (mt76):
- firmware recovery improvements
- more MLO work
- Qualcomm/Atheros (ath12k):
- fix scan on multi-radio devices
- more EHT/Wi-Fi 7 features
- encapsulation/decapsulation offload
- Broadcom (brcm80211):
- support SDIO 43751 device
- Bluetooth:
- hci_event: add support for handling LE BIG Sync Lost event
- ISO: add socket option to report packet seqnum via CMSG
- ISO: support SCM_TIMESTAMPING for ISO TS
- Bluetooth drivers:
- intel_pcie: support Function Level Reset
- nxpuart: add support for 4M baudrate
- nxpuart: implement powerup sequence, reset, FW dump, and FW loading"
* tag 'net-next-6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1742 commits)
dpll: zl3073x: Fix build failure
selftests: bpf: fix legacy netfilter options
ipv6: annotate data-races around rt->fib6_nsiblings
ipv6: fix possible infinite loop in fib6_info_uses_dev()
ipv6: prevent infinite loop in rt6_nlmsg_size()
ipv6: add a retry logic in net6_rt_notify()
vrf: Drop existing dst reference in vrf_ip6_input_dst
net/sched: taprio: align entry index attr validation with mqprio
net: fsl_pq_mdio: use dev_err_probe
selftests: rtnetlink.sh: remove esp4_offload after test
vsock: remove unnecessary null check in vsock_getname()
igb: xsk: solve negative overflow of nb_pkts in zerocopy mode
stmmac: xsk: fix negative overflow of budget in zerocopy mode
dt-bindings: ieee802154: Convert at86rf230.txt yaml format
net: dsa: microchip: Disable PTP function of KSZ8463
net: dsa: microchip: Setup fiber ports for KSZ8463
net: dsa: microchip: Write switch MAC address differently for KSZ8463
net: dsa: microchip: Use different registers for KSZ8463
net: dsa: microchip: Add KSZ8463 switch support to KSZ DSA driver
dt-bindings: net: dsa: microchip: Add KSZ8463 switch support
...
|
||
|
Linus Torvalds
|
4b290aae78 |
Summary
* Move sysctls out of the kern_table array
This is the final move of ctl_tables into their respective subsystems. Only 5
(out of the original 50) will remain in kernel/sysctl.c file; these handle
either sysctl or common arch variables.
By decentralizing sysctl registrations, subsystem maintainers regain control
over their sysctl interfaces, improving maintainability and reducing the
likelihood of merge conflicts.
* docs: Remove false positives from check-sysctl-docs
Stopped falsely identifying sysctls as undocumented or unimplemented in the
check-sysctl-docs script. This script can now be used to automatically
identify if documentation is missing.
* Testing
All these have been in linux-next since rc3, giving them a solid 3 to 4 weeks
worth of testing. Additionally, sysctl selftests and kunit were also run
locally on my x86_64
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Merge tag 'sysctl-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl
Pull sysctl updates from Joel Granados:
- Move sysctls out of the kern_table array
This is the final move of ctl_tables into their respective
subsystems. Only 5 (out of the original 50) will remain in
kernel/sysctl.c file; these handle either sysctl or common arch
variables.
By decentralizing sysctl registrations, subsystem maintainers regain
control over their sysctl interfaces, improving maintainability and
reducing the likelihood of merge conflicts.
- docs: Remove false positives from check-sysctl-docs
Stopped falsely identifying sysctls as undocumented or unimplemented
in the check-sysctl-docs script. This script can now be used to
automatically identify if documentation is missing.
* tag 'sysctl-6.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/sysctl/sysctl: (23 commits)
docs: Downgrade arm64 & riscv from titles to comment
docs: Replace spaces with tabs in check-sysctl-docs
docs: Remove colon from ctltable title in vm.rst
docs: Add awk section for ucount sysctl entries
docs: Use skiplist when checking sysctl admin-guide
docs: nixify check-sysctl-docs
sysctl: rename kern_table -> sysctl_subsys_table
kernel/sys.c: Move overflow{uid,gid} sysctl into kernel/sys.c
uevent: mv uevent_helper into kobject_uevent.c
sysctl: Removed unused variable
sysctl: Nixify sysctl.sh
sysctl: Remove superfluous includes from kernel/sysctl.c
sysctl: Remove (very) old file changelog
sysctl: Move sysctl_panic_on_stackoverflow to kernel/panic.c
sysctl: move cad_pid into kernel/pid.c
sysctl: Move tainted ctl_table into kernel/panic.c
Input: sysrq: mv sysrq into drivers/tty/sysrq.c
fork: mv threads-max into kernel/fork.c
parisc/power: Move soft-power into power.c
mm: move randomize_va_space into memory.c
...
|