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2026-03-09docs: kdoc_output: use a single manual for everythingMauro Carvalho Chehab
There's no reason why functions will be on a different manual. Unify its name, calling it as "Kernel API Manual". Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <000e1174a551e97ad4710ad4f3750b22017bedd5.1772810752.git.mchehab+huawei@kernel.org>
2026-03-09docs: kdoc_output: remove extra attribute on man .TH headersMauro Carvalho Chehab
According with modern documents, groff .TH supports up to 5 arguments, but the logic passes 6. Drop the lastest one ("LINUX"). Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <f5e480af877903b0596b6a56ef7a152eb8a10dbf.1772810752.git.mchehab+huawei@kernel.org>
2026-03-09docs: kdoc_output: use a method to emit the .TH headerMauro Carvalho Chehab
All man emit functions need to add a .TH header. Move the code to a common function, as we'll be addressing some issues at the common code. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <2e55fcfe8724fde08a78635a1a3f8b449a6adf82.1772810752.git.mchehab+huawei@kernel.org>
2026-03-09docs: kdoc_files: document KernelFiles() ABIMauro Carvalho Chehab
The KernelFiles is the main entry point to run kernel-doc, being used by both tools/docs/kernel-doc and Documentation/sphinx/kerneldoc.py. It is also used on QEMU, which also uses the kernel-doc libraries from tools/lib/python/kdoc. Properly describe its ABI contract. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <13eb44c341232564eaf2a9c9de4782369fef57e1.1772810574.git.mchehab+huawei@kernel.org>
2026-03-09docs: kdoc_files: allows the caller to use a different xforms classMauro Carvalho Chehab
While the main goal for kernel-doc is to be used inside the Linux Kernel, other open source projects could benefit for it. That's currently the case of QEMU, which has a fork, mainly due to two reasons: - they need an extra C function transform rule; - they handle the html output a little bit different. Add an extra optional argument to make easier for the code to be shared, as, with that, QEMU can just create a new derivated class that will contain its specific rulesets, and just copy the remaining kernel-doc files as-is. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <6b274ddbdcd9d438c6848e00e410a2f65ef80ec2.1772810574.git.mchehab+huawei@kernel.org>
2026-03-03docs: kdoc_parser: move nested match transforms to xforms_lists.pyMauro Carvalho Chehab
As NestedMatch now has a sub method and a declaration close to what KernRe does, we can move the rules to xforms_lists and simplify kdoc_parser a little bit. No functional changes. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <762ce2a58ff024c1b0b6f6a6e05020d1415b8308.1772469446.git.mchehab+huawei@kernel.org>
2026-03-03docs: kdoc_re: make NestedMatch use KernReMauro Carvalho Chehab
Instead of using re_compile, let's create the class with the regex and use KernRe to keep it cached. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <cdf900faf0ed8a08f8c6ac1db5a43342968c0739.1772469446.git.mchehab+huawei@kernel.org>
2026-03-03docs: kdoc_re: Change NestedMath args replacement to \0Mauro Carvalho Chehab
Future patches will allow parsing each argument instead of the hole set. Prepare for it by changing the replace all args from \1 to \0. No functional changes. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <46e383118be9d9e432e3814fe819ebb12261d7b4.1772469446.git.mchehab+huawei@kernel.org>
2026-03-03docs: kdoc_re: don't recompile NestedMatch regex every timeMauro Carvalho Chehab
Store delimiters and its regex-compiled version as const vars. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <0cf2b72d4785aa8b727188b56688ff442d1c65ce.1772469446.git.mchehab+huawei@kernel.org>
2026-03-03docs: kdoc_re: handle strings and escape chars on NextMatchMauro Carvalho Chehab
The logic inside NestedMatch currently doesn't consider that function arguments may have chars and strings, which may eventually contain delimiters. Add logic to handle strings and escape characters on them. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <ac25335bc2d09649e17d1c86c17d3f8f2e8ec27c.1772469446.git.mchehab+huawei@kernel.org>
2026-03-03docs: xforms_lists: ignore context analysis and lock attributesRandy Dunlap
Drop context analysis and lock (tracking) attributes to avoid kernel-doc warnings. There are now lots of warnings like these: Documentation/core-api/kref:328: ../include/linux/kref.h:72: WARNING: Invalid C declaration: Expected end of definition. [error at 96] int kref_put_mutex (struct kref *kref, void (*release)(struct kref *kref), struct mutex *mutex) __cond_acquires(true# mutex) ------------------------------------------------------------------------------------------------^ Documentation/core-api/kref:328: ../include/linux/kref.h:94: WARNING: Invalid C declaration: Expected end of definition. [error at 92] int kref_put_lock (struct kref *kref, void (*release)(struct kref *kref), spinlock_t *lock) __cond_acquires(true# lock) --------------------------------------------------------------------------------------------^ The regex is suggested by Mauro; mine was too greedy. Thanks. Updated context analysis and lock macros list provided by PeterZ. Thanks. [mchehab: modified to be applied after xforms_lists split] Reported-by: Stephen Rothwell <sfr@canb.auug.org.au> Closes: https://lore.kernel.org/all/20260107161548.45530e1c@canb.auug.org.au/ Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <3c7fdfc364a8920f92530b47bdbf4bb29a40371f.1772469446.git.mchehab+huawei@kernel.org>
2026-03-03docs: kdoc_parser: move transform lists to a separate fileMauro Carvalho Chehab
Over the time, most of the changes at kernel-doc are related to maintaining a list of transforms to convert macros into pure C code. Place such transforms on a separate module, to cleanup the parser module. There is an advantage on that: QEMU also uses our own kernel-doc, but the xforms list there is different. By placing it on a separate module, we can minimize the differences and make it easier to keep QEMU in sync with Kernel upstream. No functional changes. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <ccd74b7589e1fff340a74bf8ed16a974532cb54f.1772469446.git.mchehab+huawei@kernel.org>
2026-03-03docs: kdoc_re: better show KernRe() at documentationMauro Carvalho Chehab
the __repr__() function is used by autodoc to document macro initialization. Add a better representation for them. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <80d27732368c14125c1b76048a70d8b4aee527ef.1772469446.git.mchehab+huawei@kernel.org>
2026-03-03docs: kdoc_parser: handle struct member macro VIRTIO_DECLARE_FEATURES(name)Randy Dunlap
Parse the macro VIRTIO_DECLARE_FEATURES(name) and expand it to its definition. These prevents one build warning: WARNING: include/linux/virtio.h:188 struct member 'VIRTIO_DECLARE_FEATURES(features' not described in 'virtio_device' Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <6f62e1f1210e74906fa50f4e937f66f54813661b.1772469446.git.mchehab+huawei@kernel.org>
2026-03-03docs: kdoc_parser: add support for LIST_HEADMauro Carvalho Chehab
Convert LIST_HEAD into struct list_head when handling its prototype. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <8bdfa6ba6002b0a73a83660f0ce7b40e30124552.1772469446.git.mchehab+huawei@kernel.org>
2026-03-03docs: kdoc_parser: fix parser to support multi-word typesMauro Carvalho Chehab
The regular expression currently expects a single word for the type, but it may be something like "struct foo". Add support for it. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <544c73a9e670b6fef1828bf4f2ba0de7d29d8675.1772469446.git.mchehab+huawei@kernel.org>
2026-03-03docs: kdoc_parser: don't exclude defaults from prototypeMauro Carvalho Chehab
If we do that, the defaults won't be parsed. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <cedf2a819846d2f082388e9ba3d95047c35df6fd.1772469446.git.mchehab+huawei@kernel.org>
2026-03-03docs: kdoc_parser: fix the default_value logic for variablesMauro Carvalho Chehab
The indentation is wrong for the second regex, which causes problems on variables with defaults. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <681f18338abd6ae33cb9c15d72bb31a1cba75a9a.1772469446.git.mchehab+huawei@kernel.org>
2026-03-03docs: kdoc_parser: fix variable regexes to work with size_tMauro Carvalho Chehab
The regular expressions meant to pick variable types are too naive: they forgot that the type word may contain underlines. It also means that we need to change the regex which detects var attributes to handle "const". Co-developed-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <8230715239929cf9d475ab81ca1df7de65d82d06.1772469446.git.mchehab+huawei@kernel.org>
2026-03-03docs: kdoc_parser: don't mangle with function definesMauro Carvalho Chehab
Mangling with #defines is not nice, as we may end removing the macro names, preventing several macros from being properly documented. Also, on defines, we have something like: #define foo(a1, a2, a3, ...) \ /* some real implementation */ The prototype part (first line on this example) won't contain any macros, so no need to apply any regexes on it. With that, move the apply_transforms() logic to ensure that it will be called only on functions. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <8f9854c8ca1c794b6a3fe418f7adbc32aa68b432.1772469446.git.mchehab+huawei@kernel.org>
2026-03-03docs: kdoc_parser: move var transformers to the beginningMauro Carvalho Chehab
Just like functions and structs had their transform variables placed at the beginning, move variable transforms to there as well. No functional changes. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <491b290252a308f381f88353a3bbe9e2bd1f6a62.1772469446.git.mchehab+huawei@kernel.org>
2026-03-03docs: kdoc_re: don't go past the end of a lineMauro Carvalho Chehab
The logic which checks if the line ends with ";" is currently broken: it may try to read past the buffer. Fix it by checking before trying to access line[pos]. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <bce51ba0260a053a0ec55a7375d6ed7a7c08026c.1772469446.git.mchehab+huawei@kernel.org>
2026-03-03docs: kdoc_re: add support for groups()Mauro Carvalho Chehab
Add an equivalent to re groups() method. This is useful on debug messages. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20d1a9c77200e28cc2ff1d6122635c43f8ba6a71.1772469446.git.mchehab+huawei@kernel.org>
2026-02-09docs: kdoc_parser: allow __exit in function prototypesRandy Dunlap
Handle functions that are marked with __exit to prevent warnings: Documentation/networking/iucv:35: ../net/iucv/iucv.c:1918: WARNING: Error in declarator or parameters Invalid C declaration: Expecting "(" in parameters. [error at 12] void __exit iucv_exit (void) ------------^ Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Mauro Carvalho Chehab <mchehab@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20260206065440.2412185-1-rdunlap@infradead.org>
2026-02-02docs: kdoc: Fix pdfdocs build for toolsMauro Carvalho Chehab
the "\1" inside a docstring requires proper scaping to not be considered a hex character and break the build. Reported-by: Akira Yokosawa <akiyks@gmail.com> Closes: https://lore.kernel.org/linux-doc/63e99049-cc72-4156-83af-414fdde34312@gmail.com/ Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <2fff8ef1d0d64e8b68f15f5c07613f302d773855.1769500383.git.mchehab+huawei@kernel.org>
2026-01-23Merge branch 'mauro' into docs-mwJonathan Corbet
Mauro's work to include documentation from our Python modules. His cover letter follows: This is an extended version of: https://lore.kernel.org/linux-doc/cover.1768488832.git.mchehab+huawei@kernel.org/ It basically adds everything we currently have inside libs/tool/python to "tools" book inside documentation. This version should be independent of the other series yet to be merged, (including the jobserver one). The vast amount of changes here are docstring cleanups and additions. They mainly consists on: - ensuring that every phrase will end with a period, making it uniform along all files; - cleaning ups to better uniform docstrings; - variable descriptions now use "#:" markup, as it allows autodoc to add them inside the documentation; - added some missing docstrings; - some new blank lines at comments to make ReST syntax parser happy; - add a couple of sphinx markups (mainly, code blocks). Most of those are minor changes, affecting only comments. It also has one patch per libarary type, adding them to docs. For kernel-doc, I did the cleanups first, as there is one code block inside tools/lib/python/kdoc/latex_fonts.py that would cause a Sphinx crash without such markups. The series actually starts with 3 fixes: - avoid "*" markups on indexes with deep> 3 to override text - a variable rename to stop abusing doctree name - don't rely on cwd to get Documentation/ location patch 4 adds support to document scripts either at: - tools/ - scripts/ patch 5 contains a CSS to better display autodoc html output. For those who want to play with documentation, documenting a python file is very simple. All it takes is to use: .. automodule:: lib.python.<dir+name> Usually, we add a couple of control members to it to adjust the desired documentation scope (add/remove members, showing class inheritance, showing members that currently don't have docstrings, etc). That's why we're using: .. automodule:: lib.python.kdoc.enrich_formatter :members: :show-inheritance: :undoc-members: (and similar) inside tools/kdoc*.rst. autodoc allows filtering in/out members, file docstrings, etc. It also allows documenting just some members or functions with directives like: ..autofunction: ..automember: Sphinx also has a helper script to generate .rst files with documentation: $ sphinx-apidoc -o foobar tools/lib/python/ which can be helpful to discover what should be documented, although changes are needed to use what it produces.
2026-01-23docs: parse_features: make documentation more consistentMauro Carvalho Chehab
Do some changes to: - add missing documentation strings to vars; - add a missing docstring; - ensure that phases will end with a period. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <3722f10361638561a5ced18cf4f409930c88270b.1768838938.git.mchehab+huawei@kernel.org>
2026-01-23docs: jobserver: do some documentation improvementsMauro Carvalho Chehab
Make Sphinx handle better jobserver class documentation Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <18a9c1406bdead680e3ee5768c97ae8b2138e8ea.1768838938.git.mchehab+huawei@kernel.org>
2026-01-23docs: kabi: helpers: add documentation for each "enum" valueMauro Carvalho Chehab
Ensure that kABI module documentation will describe each debug bit. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <3b118b157e52d757bf82fd74f03b0f4bd9e8b8f1.1768838938.git.mchehab+huawei@kernel.org>
2026-01-23docs: kabi: helpers: add helper for debug bits 7 and 8Mauro Carvalho Chehab
The kabi logic supports 8 debug bits, but only 6 are currently documented. Document the remaining ones. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <60e99b9060396eac8621954d6b8a73af45df90fb.1768838938.git.mchehab+huawei@kernel.org>
2026-01-23docs: kabi: system_symbols: end docstring phrases with a dotMauro Carvalho Chehab
Some docstring classes are not ending with a dot. Fix to make it more uniform. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <efd0e150d8e12d8ea2665f54a96b1997f32897b7.1768838938.git.mchehab+huawei@kernel.org>
2026-01-23docs: python: abi_regex: do some improvements at documentationMauro Carvalho Chehab
Add documentation for two consts and ensure that all sentenses will end with a dot. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <5419ad89a5042c1571198c2f055866674808579b.1768838938.git.mchehab+huawei@kernel.org>
2026-01-23docs: python: abi_parser: do some improvements at documentationMauro Carvalho Chehab
Add documentation for two consts and ensure that all sentenses will end with a dot. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <c5756d7fd70697890130b41b2856c59144d01844.1768838938.git.mchehab+huawei@kernel.org>
2026-01-23docs: kdoc: python_version: Improve docstrings and commentsMauro Carvalho Chehab
In preparation to document kernel-doc module, improve its documentation. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <2153afaeb496e1bb8d3cc318fff26c3f99d99486.1768838938.git.mchehab+huawei@kernel.org>
2026-01-23docs: kdoc: enrich_formatter: Improve docstrings and commentsMauro Carvalho Chehab
In preparation to document kernel-doc module, improve its documentation. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <55ec8b896fe00529d326859cd094230fb5a2cd30.1768838938.git.mchehab+huawei@kernel.org>
2026-01-23docs: kdoc: parse_data_structs: Improve docstrings and commentsMauro Carvalho Chehab
In preparation to document kernel-doc module, improve its documentation. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <76ead85b4c13a8038180a792e270c3691d26cd25.1768838938.git.mchehab+huawei@kernel.org>
2026-01-23docs: kdoc_re: Improve docstrings and commentsMauro Carvalho Chehab
In preparation to document kernel-doc module, improve its documentation. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <14a12a43144d52345bfd405d0401d246f0885acf.1768838938.git.mchehab+huawei@kernel.org>
2026-01-23docs: kdoc_output: Improve docstrings and commentsMauro Carvalho Chehab
In preparation to document kernel-doc module, improve its documentation. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <ac03bf776f0929bbe822cd8269f2a31e275b8d6b.1768838938.git.mchehab+huawei@kernel.org>
2026-01-23docs: kdoc_parser: Improve docstrings and commentsMauro Carvalho Chehab
In preparation to document kernel-doc module, improve its documentation. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <b6aabe25b45e9751885becd544a4db82dbe11ff2.1768838938.git.mchehab+huawei@kernel.org>
2026-01-23docs: kdoc_item: Improve docstrings and commentsMauro Carvalho Chehab
In preparation to document kernel-doc module, improve its documentation. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <65a7c6bb318e7a8cbf5c115903d507568099151a.1768838938.git.mchehab+huawei@kernel.org>
2026-01-23docs: kdoc_files: Improve docstrings and commentsMauro Carvalho Chehab
In preparation to document kernel-doc module, improve its documentation. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <75d58878ad6f83f24f1c0ce9e04301a000ecbaa3.1768838938.git.mchehab+huawei@kernel.org>
2026-01-23docs: kdoc: latex_fonts: Improve docstrings and commentsMauro Carvalho Chehab
In preparation to document kernel-doc module, improve its documentation. Among the changes, it had to place the xml template inside a code block, as otherwise doc build would break. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <6e0eb2e245eae9b4f39cf231dee32df00b9e8b7b.1768838938.git.mchehab+huawei@kernel.org>
2026-01-20Merge branch 'mauro' into docs-mwJonathan Corbet
A combination of Mauro's -Werror work and my long-belated kernel-doc move.
2026-01-20jobserver: Split up the big try: blockJonathan Corbet
The parsing of jobserver options is done in a massive try: block that hides problems and (perhaps) bugs. Split up that block and make the logic explicit by moving the initial parsing of MAKEFLAGS out of that block. Add warnings in the places things can go wrong. Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2026-01-20docs: kdoc: fix logic to handle unissued warningsMauro Carvalho Chehab
Changeset 469c1c9eb6c9 ("kernel-doc: Issue warnings that were silently discarded") didn't properly addressed the missing messages behavior, as it was calling directly python logger low-level function, instead of using the expected method to emit warnings. Basically, there are two methods to log messages: - self.config.log.warning() - This is the raw level to emit a warning. It just writes the a message at stderr, via python logging, as it is initialized as: self.config.log = logging.getLogger("kernel-doc") - self.config.warning() - This is where we actually consider a message as a warning, properly incrementing error count. Due to that, several parsing error messages are internally considered as success, causing -Werror to not work on such messages. While here, ensure that the last ignored entry will also be handled by adding an extra check at the end of the parse handler. Fixes: 469c1c9eb6c9 ("kernel-doc: Issue warnings that were silently discarded") Closes: https://lore.kernel.org/linux-doc/20260112091053.00cee29a@foz.lan/ Cc: stable@vger.kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <95109a6585171da4d6900049deaa2634b41ee743.1768823489.git.mchehab+huawei@kernel.org>
2026-01-12tools: jobserver: Prevent deadlock caused by incorrect jobserver ↵Changbin Du
configuration and enhance error reporting When using GNU Make's jobserver feature in kernel builds, a bug in MAKEFLAGS propagation caused "--jobserver-auth=r,w" to reference an unintended file descriptor. This led to infinite loops in jobserver-exec's os.read() calls due to empty token. My shell opened /etc/passwd for some reason without closing it, and as a result, all child processes inherited this fd 3. $ ls -l /proc/self/fd total 0 lrwx------ 1 changbin changbin 64 Dec 25 13:03 0 -> /dev/pts/1 lrwx------ 1 changbin changbin 64 Dec 25 13:03 1 -> /dev/pts/1 lrwx------ 1 changbin changbin 64 Dec 25 13:03 2 -> /dev/pts/1 lr-x------ 1 changbin changbin 64 Dec 25 13:03 3 -> /etc/passwd lr-x------ 1 changbin changbin 64 Dec 25 13:03 4 -> /proc/1421383/fd In this case, the `make` should open a new file descriptor for jobserver control, but clearly, it did not do so and instead still passed fd 3 as "--jobserver-auth=3,4" in MAKEFLAGS. (The version of my gnu make is 4.3) This update ensures robustness against invalid jobserver configurations, even when `make` incorrectly pass non-pipe file descriptors. * Rejecting empty reads to prevent infinite loops on EOF. * Clearing `self.jobs` to avoid writing to incorrect files if invalid tokens are detected. * Printing detailed error messages to stderr to inform the user. Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Changbin Du <changbin.du@huawei.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20260108113836.2976527-1-changbin.du@huawei.com>
2025-12-22kdoc: allow dots in inline @param namesSteven Price
Inline kernel-doc blocks failed to parse tags containing dots (e.g. creator.process_name in panfrost_gem.h) because the @name regex only matched word characters. Modify the single-line pattern to match doc_inline_sect so it includes \. and parses the same as a multi-line comment. Signed-off-by: Steven Price <steven.price@arm.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <20251211104851.45330-1-steven.price@arm.com>
2025-12-22docs: kernel-doc.rst: Parse DEFINE_ macros without prefixesMauro Carvalho Chehab
Currently, the logic for vars require a type DEFINE_foo(); where type is usually "static". Make the logic more generic. Reported-by: Randy Dunlap <rdunlap@infradead.org> Closes: https://lore.kernel.org/linux-doc/e1dad7e4-a0ca-4be6-a33c-97b75175c12f@infradead.org/ Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <be16e087cbc065fbd041fb6d6f8fa5cf0426cca5.1765894964.git.mchehab+huawei@kernel.org>
2025-12-22kernel-doc: add support to handle DEFINE_ variablesMauro Carvalho Chehab
Improve the parser and output plugin to work with macros, adding support for the common pattern of using DEFINE_* to create variables. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <757a45100cfc493984574ff780aa9d90506eecb4.1765894964.git.mchehab+huawei@kernel.org>
2025-12-22kernel-doc: add support for handling global variablesMauro Carvalho Chehab
Specially on kAPI, sometimes it is desirable to be able to describe global variables that are part of kAPI. Documenting vars with Sphinx is simple, as we don't need to parse a data struct. All we need is the variable declaration and use native C domain ::c:var: to format it for us. Add support for it. Link: https://lore.kernel.org/linux-doc/491c3022-cef8-4860-a945-c9c4a3b63c09@infradead.org/T/#m947c25d95cb1d96a394410ab1131dc8e9e5013f1 Suggested-by: Randy Dunlap <rdunlap@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Message-ID: <fa7d1c61a8de9150f71b318382f1507d3b13848d.1765894964.git.mchehab+huawei@kernel.org>
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