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7 weeks agoMerge branch 'mauro' into docs-mw
Jonathan Corbet [Fri, 29 Aug 2025 21:58:48 +0000 (15:58 -0600)] 
Merge branch 'mauro' into docs-mw

Another build series from Mauro:

The goal of this series is to drop one of the most ancient and ugliest
hack from the documentation build system. Before migrating to Sphinx,
the media subsystem already had a very comprehensive uAPI book, together
with a build time system to detect and point for any documentation gaps.

When migrating to Sphinx, we ported the logic to a Perl script
(parse-headers.pl) and Markus came up with a Sphinx extension
(kernel_include.py). We also added some files to control how parse-headers
produce results, and a Makefile.

At the initial Sphinx versions (1.4.1 if I recall correctly), when
a new symbol is added to videodev2.h, a new warning were
produced at documentatiion time, it the patchset didn't have
the corresponding documentation path.

While kernel-include is generic, the only user at the moment is the media
subsystem.

This series gets rid of the Python script, replacing it by a command
line script and a class. The parse header class can optionally be used by
kernel-include to produce an enriched code that will contain cross-references.

As the other conversions, it starts with a bug-compatible version of
parse-headers, but the subsequent patches add more functionalities and
fix bugs.

It should be noticed that modern of Sphinx disabled the cross-reference
warnings. So, at the next series, I'll be re-adding it in a controlled way
(e.g. just for the references from kernel-include that has an special
argument).

The script also supports now generating a "toc" output, which will be used
at the next series.

7 weeks agodocs: sphinx: drop parse-headers.pl
Mauro Carvalho Chehab [Fri, 22 Aug 2025 14:19:36 +0000 (16:19 +0200)] 
docs: sphinx: drop parse-headers.pl

Now that we have a replacement in place, drop the old version.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/d3a5397df44e53b02fa62f782d1e7ce6e08ed04f.1755872208.git.mchehab+huawei@kernel.org
7 weeks agoscripts: sphinx-build-wrapper: get rid of uapi/media Makefile
Mauro Carvalho Chehab [Fri, 22 Aug 2025 14:19:35 +0000 (16:19 +0200)] 
scripts: sphinx-build-wrapper: get rid of uapi/media Makefile

Now that kernel-include directive supports parsing data
structs directly, we can finally get rid of the horrible hack
we added to support parsing media uAPI symbols.

As a side effect, Documentation/output doesn't have anymore
media auto-generated .rst files 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/5dbb257a4b283697271c9c7b8f4713857e8191c8.1755872208.git.mchehab+huawei@kernel.org
7 weeks agodocs: kernel_include.py: document all supported parameters
Mauro Carvalho Chehab [Fri, 22 Aug 2025 14:19:34 +0000 (16:19 +0200)] 
docs: kernel_include.py: document all supported parameters

As we're actually a fork of Sphinx Include, update its
docstring to contain the documentation for the actual
implemented parameters.

Let's use :param: for parameters, as defined at:
https://sphinx-rtd-tutorial.readthedocs.io/en/latest/docstrings.html

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/f193160889a2dc296b4df2cc7ebc9934d717ccef.1755872208.git.mchehab+huawei@kernel.org
7 weeks agodocs: kernel_include.py: remove Include class inheritance
Mauro Carvalho Chehab [Fri, 22 Aug 2025 14:19:33 +0000 (16:19 +0200)] 
docs: kernel_include.py: remove Include class inheritance

While the original code came from the Sphinx Include class,
such class is monolithic: it has only one function that does
everything, and 3 variables that are used:

- required_arguments
- optional_arguments
- option_spec

So, basically those are the only members that remain from
the original class, but hey! Those are the same vars that every
other Sphinx directive extension has to define!

In summary, keeping inheritance here doesn't make much sense.

Worse than that, kernel-include doesn't support the current set
of options that the original Include class has, but it also
has its own set of options.

So, let's fill in the argument vars with what it does
support, dropping the rest.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/a9f2eebf11c6b0c3a2e3bf42e71392cdfd2835d1.1755872208.git.mchehab+huawei@kernel.org
7 weeks agodocs: kernel_include.py: remove line numbers from parsed-literal
Mauro Carvalho Chehab [Fri, 22 Aug 2025 14:19:32 +0000 (16:19 +0200)] 
docs: kernel_include.py: remove line numbers from parsed-literal

When parsed-literal directive is added to rawtext, while cross
references will be properly displayed, Sphinx will ignore
line numbers. So, it is not worth adding them.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/b484fe5fcbf6e5217f112f205fbf54f0bbc3dcca.1755872208.git.mchehab+huawei@kernel.org
7 weeks agodocs: kernel_include.py: move apply_range() and add a docstring
Mauro Carvalho Chehab [Fri, 22 Aug 2025 14:19:31 +0000 (16:19 +0200)] 
docs: kernel_include.py: move apply_range() and add a docstring

While not required, better to have caller functions at the end.
As apply_range() is now called by xref_text(), move it to be
before the latter.

No functional changes.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/a6ce0fd7c03a01338753fd81ed0c4631f78311d6.1755872208.git.mchehab+huawei@kernel.org
7 weeks agodocs: kernel_include.py: append line numbers to better report errors
Mauro Carvalho Chehab [Fri, 22 Aug 2025 14:19:30 +0000 (16:19 +0200)] 
docs: kernel_include.py: append line numbers to better report errors

It is best to point to the original line of code that generated
an error than to point to the beginning of a directive.

Add support for it. It should be noticed that this won't work
for literal or code blocks, as Sphinx will ignore it, pointing
to the beginning of the directive. Yet, when the output is known
to be in ReST format, like on TOC, this makes the error a lot
more easier to be handled.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/a0953af8b71e64aaf2e0ba4593ad39e19587d50a.1755872208.git.mchehab+huawei@kernel.org
7 weeks agodocs: kernel_include.py: add support to generate a TOC table
Mauro Carvalho Chehab [Fri, 22 Aug 2025 14:19:29 +0000 (16:19 +0200)] 
docs: kernel_include.py: add support to generate a TOC table

When generate-cross-refs is used, instead of just implementing
the default of generating a literal block, we can also
generate a ReST file as a TOC.

The advantage is that, by being a ReST file, missing references
will point to the place inside the header file that has the
broken link.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/c0d32cd1ef94017e05984b0a38bd2516f7db21e2.1755872208.git.mchehab+huawei@kernel.org
7 weeks agodocs: kernel_include.py: move code and literal functions
Mauro Carvalho Chehab [Fri, 22 Aug 2025 14:19:28 +0000 (16:19 +0200)] 
docs: kernel_include.py: move code and literal functions

Simplify run() even more by moving the code which handles
with code and literal blocks to their own functions.

No functional changes.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/78d08dfa3f08adabc30bf93b8a1cde4e19b7bd41.1755872208.git.mchehab+huawei@kernel.org
7 weeks agodocs: kernel_include.py: remove range restriction for gen docs
Mauro Carvalho Chehab [Fri, 22 Aug 2025 14:19:27 +0000 (16:19 +0200)] 
docs: kernel_include.py: remove range restriction for gen docs

Originally, parse-readers were generating an output where
the first two lines were setting a literal block.

The script now gets only the actual parsed data without that,
so it is now safe to allow start-line and end-line parameters
to be handled.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/5dff693860a6a3faade15c24abdc380f09db468d.1755872208.git.mchehab+huawei@kernel.org
7 weeks agodocs: kernel_include.py: move range logic to a separate function
Mauro Carvalho Chehab [Fri, 22 Aug 2025 14:19:26 +0000 (16:19 +0200)] 
docs: kernel_include.py: move range logic to a separate function

Cleanup run() function by moving the range logic to a separate
function.

Here, I ended checking the current Sphinx implementation, as it
has some extra logic for the range check.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/12fa2204a9e7e309ae4b8694a37ebad9327ca634.1755872208.git.mchehab+huawei@kernel.org
7 weeks agodocs: kernel_include.py: move rawtext logic to separate functions
Mauro Carvalho Chehab [Fri, 22 Aug 2025 14:19:25 +0000 (16:19 +0200)] 
docs: kernel_include.py: move rawtext logic to separate functions

The run function is too complex. merge run() and _run() into
a single function and move the read logic to separate functions.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/04776a94c85b6c931c198a149f08b299c9f571a3.1755872208.git.mchehab+huawei@kernel.org
7 weeks agodocs: kernel_include.py: generate warnings for broken refs
Mauro Carvalho Chehab [Fri, 22 Aug 2025 14:19:24 +0000 (16:19 +0200)] 
docs: kernel_include.py: generate warnings for broken refs

In the past, Sphinx used to warn about broken references. That's
basically the rationale for adding media uAPI files: to get
warnings about missed symbols.

This is not true anymore. So, we need to explicitly check them
after doctree-resolved event.

While here, move setup() to the end, to make it closer to
what we do on other extensions.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/73be9a198746421687e2eee916ccf8bf67980b7d.1755872208.git.mchehab+huawei@kernel.org
7 weeks agodocs: kernel_include.py: allow cross-reference generation
Mauro Carvalho Chehab [Fri, 22 Aug 2025 14:19:23 +0000 (16:19 +0200)] 
docs: kernel_include.py: allow cross-reference generation

kernel_include extension was originally designed to be used by the
media comprehensive uAPI documentation, where, instead of simpler
kernel-doc markups, the uAPI documentation is enriched with a larger
text, with images, complex tables, graphs, etc.

There, we wanted to include the much simpler yet documented .h
file.

This extension is needed to include files from other parts of the
Kernel tree outside Documentation, because the original Sphinx
include tag doesn't allow going outside of the directory passed
via sphinx-build command line.

Yet, the cross-references themselves to the full documentation
were using a perl script to create cross-references against the
comprehensive documentation.

As the perl script is now converted to Phython and there is a
Python class producing an include-compatible output with cross
references, add two optional arguments to kernel_include.py:

1. :generate-cross-refs:

        If present, instead of reading the file, it calls ParseDataStructs()
        class, which converts C data structures into cross-references to
        be linked to ReST files containing a more comprehensive documentation;

        Don't use it together with :start-line: and/or :end-line:, as
        filtering input file line range is currently not supported.

2. :exception-file:

        Used together with :generate-cross-refs:. Points to a file containing
        rules to ignore C data structs or to use a different reference name,
        optionally using a different reference type.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/efc39c8e54a2056ae2fdb94d5006fcb19e227198.1755872208.git.mchehab+huawei@kernel.org
7 weeks agodocs: kernel_include.py: Update its coding style
Mauro Carvalho Chehab [Fri, 22 Aug 2025 14:19:22 +0000 (16:19 +0200)] 
docs: kernel_include.py: Update its coding style

With the help of tools like black, pylint, autopep8 and flake,
improve the code style in preparation for further changes.

No functional changes.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/f64c3af47fdfd632bb5f8eb88e3c7d94b0b84a66.1755872208.git.mchehab+huawei@kernel.org
7 weeks agodocs: uapi: media: Makefile: use parse-headers.py
Mauro Carvalho Chehab [Fri, 22 Aug 2025 14:19:21 +0000 (16:19 +0200)] 
docs: uapi: media: Makefile: use parse-headers.py

Now that we have a new parser, use 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/7025759744f74058eee55c35e8cd8cb5a2953fca.1755872208.git.mchehab+huawei@kernel.org
7 weeks agoMAINTAINERS: add files from tools/docs to documentation entry
Mauro Carvalho Chehab [Fri, 22 Aug 2025 14:19:20 +0000 (16:19 +0200)] 
MAINTAINERS: add files from tools/docs to documentation entry

As we now have a tools directory for docs, add it to its
corresponding entry.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/87bbb94e442fe747e24f801d7685856b392b2568.1755872208.git.mchehab+huawei@kernel.org
7 weeks agotools: docs: parse_data_structs.py: add methods to return output
Mauro Carvalho Chehab [Fri, 22 Aug 2025 14:19:19 +0000 (16:19 +0200)] 
tools: docs: parse_data_structs.py: add methods to return output

When running it from command line, we want to write an output
file, but when used as a class, one may just want the output
content returned as a string.

Split write_output() on two methods to allow both usecases.

Also add an extra method to produce a TOC.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/c98bdec3380aad54178baf2751a2f1fcd128576b.1755872208.git.mchehab+huawei@kernel.org
7 weeks agotools: docs: parse-headers.py: move it from sphinx dir
Mauro Carvalho Chehab [Fri, 22 Aug 2025 14:19:18 +0000 (16:19 +0200)] 
tools: docs: parse-headers.py: move it from sphinx dir

As suggested by Jon, we should start having a tools/docs
directory, instead of placing everything under scripts.

In the specific case of parse-headers.py, the previous
location is where we're placing Sphinx extensions, which is
not the right place for execs.

Move it to tools/docs/parse-headers.py.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/0f5ac2d704cffe9834e589b39549d2393e1237ef.1755872208.git.mchehab+huawei@kernel.org
7 weeks agodocs: parse-headers.py: simplify the rules for hashes
Mauro Carvalho Chehab [Fri, 22 Aug 2025 14:19:17 +0000 (16:19 +0200)] 
docs: parse-headers.py: simplify the rules for hashes

Normal :ref domain accept either hashes or underscores, but
c-domain ones don't. Fix it and remove unneeded places where
we opt to disable underscore transformation.

Ideally, we should have a rule about the default, or change
the way media docs have their references.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/0c011090272f7a1068545409222f970ddb1ed431.1755872208.git.mchehab+huawei@kernel.org
7 weeks agodocs: parse-headers.py: better handle @var arguments
Mauro Carvalho Chehab [Fri, 22 Aug 2025 14:19:16 +0000 (16:19 +0200)] 
docs: parse-headers.py: better handle @var arguments

The kernel-doc markups inside headers may contain @var markups.

With the current rule, this would be converted into:

     \* @:c:type:`DMX_BUFFER_FLAG_DISCONTINUITY_INDICATOR <dmx_buffer_flags>`\:

Fix it adding a non-printed space if needed.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/8d06bb713d6ec8de65179dd93defe479715409b6.1755872208.git.mchehab+huawei@kernel.org
7 weeks agodocs: parse-headers.py: improve --help logic
Mauro Carvalho Chehab [Fri, 22 Aug 2025 14:19:15 +0000 (16:19 +0200)] 
docs: parse-headers.py: improve --help logic

When printing --help, we'd like the name of the files
from __doc__ to match the displayed positional arguments at
both usage and argument description lines.

Use a custom formatter class to convert ``foo`` into ANSI SGR
code to bold the argument, if is TTY, and adjust the help
text to match the argument names.

Here on Plasma, that makes it display it colored, wich is
really cool. Yet, I opted for SGR, as the best is to follow
the terminal color schema for bold.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/2c1e61d1fb1b2a2838b443beee89c1528831997f.1755872208.git.mchehab+huawei@kernel.org
7 weeks agodocs: parse-headers.py: convert parse-headers.pl
Mauro Carvalho Chehab [Fri, 22 Aug 2025 14:19:14 +0000 (16:19 +0200)] 
docs: parse-headers.py: convert parse-headers.pl

When the Kernel started to use Sphinx, we had to come up with
a solution to parse media headers. On that time, we didn't have
much experience with Sphinx extensions. So, we came up with our
own script-based solution that were basically implementing a
set of rules we used to have at the Makefile.

Convert it to Python, keeping it bug-compatible with the
original script.

While here, try to better document 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/ae5cfa8dff37e280cc9493fc95a51cd0cc0ba127.1755872208.git.mchehab+huawei@kernel.org
7 weeks agodocs: parse-headers.pl: improve its debug output format
Mauro Carvalho Chehab [Fri, 22 Aug 2025 14:19:13 +0000 (16:19 +0200)] 
docs: parse-headers.pl: improve its debug output format

Change the --debug logic to help comparing its results with
a new python script.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/1064011717951eac257889a3032303c9d4440711.1755872208.git.mchehab+huawei@kernel.org
7 weeks agoDocumentation: ocfs2: Properly reindent filecheck operations list
Bagas Sanjaya [Tue, 26 Aug 2025 02:47:56 +0000 (09:47 +0700)] 
Documentation: ocfs2: Properly reindent filecheck operations list

Some of texts in filecheck operations list are indented out of the list.
In particular, the third operation is shown not as the third list
item but rather as a separate paragraph.

Reindent the list so that gets properly rendered as such.

Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Acked-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250826024756.16073-1-bagasdotme@gmail.com
7 weeks agodocs: driver-api pinctrl cleanup
Alex Tran [Wed, 27 Aug 2025 07:45:25 +0000 (00:45 -0700)] 
docs: driver-api pinctrl cleanup

Replace FIXME comments in the pinctrl documentation example with
proper cleanup code:
- Add devm_pinctrl_put() calls in error paths
  (pinctrl_lookup_state, pinctrl_select_state)
  after successful devm_pinctrl_get()
- Set foo->p to NULL when devm_pinctrl_get() fails
- Add ret variable for cleaner error handling
- provides proper example of pinctrl resource management on failure

Signed-off-by: Alex Tran <alex.t.tran@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250827074525.685863-1-alex.t.tran@gmail.com
8 weeks agoMerge branch 'mauro-pdf' into docs-mw
Jonathan Corbet [Thu, 21 Aug 2025 20:09:21 +0000 (14:09 -0600)] 
Merge branch 'mauro-pdf' into docs-mw

Here it is the second version of the PDF series. I opted to split one of
the patches in 3, to have a clearer changelog and description.

Also, archlinux LXC image download started working again, so I added
an extra patch addressing texlive packae dependencies.

This series is taking me a way more time than antecipated.

This series as 3 goals:

1. Fix a pre-Sphinx 1.7 PDF variable that got renamed, but
   our Makefile still uses the old one that is not supported
   since Sphinx 1.7;

2. Fix broken or incomplete texlive dependencies on several
   distros;

4. "modernize" conf.py to solve font conflicts related to UTF-8
   and non-UTF fonts from [T1]{fontenc}  LaTeX package.

   Using fontenc with xelatex is problematic, as documented at

https://www.sphinx-doc.org/en/master/latex.html

Please notice that:

- It doesn't pretend to fix all  PDF issues. It focus only at the
  above;
- there are still distros where PDF builds fail either partially
  or as a hole. On my checks, those are due to problematic
  texlive packages shipped on such distros;
- it doesn't touch/address/alter anyhing related to kfigure.py.
  as such, it doesn't touch/change/improve/drop anything with
  regards ImageMagick and/or Inkscape.

8 weeks agoscripts/sphinx-pre-install: fix Archlinux PDF dependencies
Mauro Carvalho Chehab [Thu, 21 Aug 2025 08:16:50 +0000 (10:16 +0200)] 
scripts/sphinx-pre-install: fix Archlinux PDF dependencies

There are some missing packages causing PDF build to fail on
Archlinux and add latexmk (from texlive-binextra package).

Yet, at least today, PDF builds are failing on a very late
stage, when trying to run xdvipdfmx:

$ xdvipdfmx -E -o "peci.pdf"  "peci.xdv"
xdvipdfmx:fatal: Unrecognized paper format: # Simply write the paper name. See man 1 paper and "paper --no-size --all" for possible values

Despite its message, even using a very simple document like:

        \def\sphinxdocclass{report}
\documentclass[a4paper,11pt,english]{sphinxmanual}
\begin{document}
Test
\end{document}

or even:

\def\sphinxdocclass{report}
\documentclass{sphinxmanual}
\begin{document}
Test
\end{document}

Is causing xdvipdfmx to complain about geometry. As Archlinux is
a rolling release distro, maybe I got it on a bad day. So, let's
fix it in the hope that soon enough someone would fix the issues
there.

Such broken scenario happens with those packages installed:

texlive-basic 2025.2-1
texlive-bin 2025.2-1
texlive-binextra 2025.2-1
texlive-fontsrecommended 2025.2-1
texlive-langchinese 2025.2-1
texlive-langcjk 2025.2-1
texlive-latex 2025.2-1
texlive-latexextra 2025.2-1
texlive-latexrecommended 2025.2-1
texlive-pictures 2025.2-1
texlive-xetex 2025.2-1
python-docutils 1:0.21.2-3
python-sphinx 8.2.3-1
python-sphinx-alabaster-theme 1.0.0-4
python-sphinxcontrib-applehelp 2.0.0-3
python-sphinxcontrib-devhelp 2.0.0-4
python-sphinxcontrib-htmlhelp 2.1.0-3
python-sphinxcontrib-jsmath 1.0.1-19
python-sphinxcontrib-qthelp 2.0.0-3
python-sphinxcontrib-serializinghtml 2.0.0-3

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/574d902f7691861e18339217f42409850ee58791.1755763127.git.mchehab+huawei@kernel.org
8 weeks agoscripts: sphinx-pre-install: fix PDF dependencies for gentoo
Mauro Carvalho Chehab [Thu, 21 Aug 2025 08:16:49 +0000 (10:16 +0200)] 
scripts: sphinx-pre-install: fix PDF dependencies for gentoo

Package fonts are wrong. Fix it. With that, most PDF files
now builds.

  PDF docs:
  ---------
      PASSED: dev-tools: pdf/dev-tools.pdf
      PASSED: tools: pdf/tools.pdf
      PASSED: filesystems: pdf/filesystems.pdf
      PASSED: w1: pdf/w1.pdf
      PASSED: maintainer: pdf/maintainer.pdf
      PASSED: process: pdf/process.pdf
      PASSED: isdn: pdf/isdn.pdf
      PASSED: fault-injection: pdf/fault-injection.pdf
      PASSED: iio: pdf/iio.pdf
      PASSED: scheduler: pdf/scheduler.pdf
      PASSED: staging: pdf/staging.pdf
      PASSED: fpga: pdf/fpga.pdf
      PASSED: power: pdf/power.pdf
      PASSED: leds: pdf/leds.pdf
      PASSED: edac: pdf/edac.pdf
      PASSED: PCI: pdf/PCI.pdf
      PASSED: firmware-guide: pdf/firmware-guide.pdf
      PASSED: cpu-freq: pdf/cpu-freq.pdf
      PASSED: mhi: pdf/mhi.pdf
      PASSED: wmi: pdf/wmi.pdf
      PASSED: timers: pdf/timers.pdf
      PASSED: accel: pdf/accel.pdf
      PASSED: hid: pdf/hid.pdf
      FAILED: userspace-api: Build failed (FAILED)
      PASSED: spi: pdf/spi.pdf
      PASSED: networking: pdf/networking.pdf
      PASSED: virt: pdf/virt.pdf
      PASSED: nvme: pdf/nvme.pdf
      FAILED: translations: Build failed (FAILED)
      PASSED: input: pdf/input.pdf
      PASSED: tee: pdf/tee.pdf
      PASSED: doc-guide: pdf/doc-guide.pdf
      PASSED: cdrom: pdf/cdrom.pdf
      FAILED: gpu: Build failed (FAILED)
      FAILED: i2c: Build failed (FAILED)
      FAILED: RCU: Build failed (FAILED)
      PASSED: watchdog: pdf/watchdog.pdf
      PASSED: usb: pdf/usb.pdf
      PASSED: rust: pdf/rust.pdf
      PASSED: crypto: pdf/crypto.pdf
      PASSED: kbuild: pdf/kbuild.pdf
      PASSED: livepatch: pdf/livepatch.pdf
      PASSED: mm: pdf/mm.pdf
      PASSED: locking: pdf/locking.pdf
      PASSED: infiniband: pdf/infiniband.pdf
      PASSED: driver-api: pdf/driver-api.pdf
      PASSED: bpf: pdf/bpf.pdf
      PASSED: devicetree: pdf/devicetree.pdf
      PASSED: block: pdf/block.pdf
      PASSED: target: pdf/target.pdf
      FAILED: arch: Build failed (FAILED)
      PASSED: pcmcia: pdf/pcmcia.pdf
      PASSED: scsi: pdf/scsi.pdf
      PASSED: netlabel: pdf/netlabel.pdf
      PASSED: sound: pdf/sound.pdf
      PASSED: security: pdf/security.pdf
      PASSED: accounting: pdf/accounting.pdf
      PASSED: admin-guide: pdf/admin-guide.pdf
      FAILED: core-api: Build failed (FAILED)
      PASSED: fb: pdf/fb.pdf
      PASSED: peci: pdf/peci.pdf
      PASSED: trace: pdf/trace.pdf
      PASSED: misc-devices: pdf/misc-devices.pdf
      PASSED: kernel-hacking: pdf/kernel-hacking.pdf
      PASSED: hwmon: pdf/hwmon.pdf

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/1ccbac9fd1f4e598dda82e775b64768ec3696248.1755763127.git.mchehab+huawei@kernel.org
8 weeks agoscripts: sphinx-pre-install: fix pdf dependencies for Mageia 9
Mauro Carvalho Chehab [Thu, 21 Aug 2025 08:16:48 +0000 (10:16 +0200)] 
scripts: sphinx-pre-install: fix pdf dependencies for Mageia 9

On Mageia 9, two packages are missing. Add them.

With that, all PDF packages now build:

Mageia 9:
---------
    PASSED: OS detection: Mageia 9
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx Sphinx 8.1.3
    PASSED: Sphinx package: Sphinx Sphinx 6.1.3
    PASSED: Clean documentation: Build time: 0:00, return code: 0
    PASSED: Build HTML documentation: Build time: 5:17, return code: 0
    PASSED: Build PDF documentation: Build time: 14:28, return code: 0

  PDF docs:
  ---------
      PASSED: dev-tools: pdf/dev-tools.pdf
      PASSED: tools: pdf/tools.pdf
      PASSED: filesystems: pdf/filesystems.pdf
      PASSED: w1: pdf/w1.pdf
      PASSED: maintainer: pdf/maintainer.pdf
      PASSED: process: pdf/process.pdf
      PASSED: isdn: pdf/isdn.pdf
      PASSED: fault-injection: pdf/fault-injection.pdf
      PASSED: iio: pdf/iio.pdf
      PASSED: scheduler: pdf/scheduler.pdf
      PASSED: staging: pdf/staging.pdf
      PASSED: fpga: pdf/fpga.pdf
      PASSED: power: pdf/power.pdf
      PASSED: leds: pdf/leds.pdf
      PASSED: edac: pdf/edac.pdf
      PASSED: PCI: pdf/PCI.pdf
      PASSED: firmware-guide: pdf/firmware-guide.pdf
      PASSED: cpu-freq: pdf/cpu-freq.pdf
      PASSED: mhi: pdf/mhi.pdf
      PASSED: wmi: pdf/wmi.pdf
      PASSED: timers: pdf/timers.pdf
      PASSED: accel: pdf/accel.pdf
      PASSED: hid: pdf/hid.pdf
      PASSED: userspace-api: pdf/userspace-api.pdf
      PASSED: spi: pdf/spi.pdf
      PASSED: networking: pdf/networking.pdf
      PASSED: virt: pdf/virt.pdf
      PASSED: nvme: pdf/nvme.pdf
      PASSED: translations: pdf/translations.pdf
      PASSED: input: pdf/input.pdf
      PASSED: tee: pdf/tee.pdf
      PASSED: doc-guide: pdf/doc-guide.pdf
      PASSED: cdrom: pdf/cdrom.pdf
      PASSED: gpu: pdf/gpu.pdf
      PASSED: i2c: pdf/i2c.pdf
      PASSED: RCU: pdf/RCU.pdf
      PASSED: watchdog: pdf/watchdog.pdf
      PASSED: usb: pdf/usb.pdf
      PASSED: rust: pdf/rust.pdf
      PASSED: crypto: pdf/crypto.pdf
      PASSED: kbuild: pdf/kbuild.pdf
      PASSED: livepatch: pdf/livepatch.pdf
      PASSED: mm: pdf/mm.pdf
      PASSED: locking: pdf/locking.pdf
      PASSED: infiniband: pdf/infiniband.pdf
      PASSED: driver-api: pdf/driver-api.pdf
      PASSED: bpf: pdf/bpf.pdf
      PASSED: devicetree: pdf/devicetree.pdf
      PASSED: block: pdf/block.pdf
      PASSED: target: pdf/target.pdf
      PASSED: arch: pdf/arch.pdf
      PASSED: pcmcia: pdf/pcmcia.pdf
      PASSED: scsi: pdf/scsi.pdf
      PASSED: netlabel: pdf/netlabel.pdf
      PASSED: sound: pdf/sound.pdf
      PASSED: security: pdf/security.pdf
      PASSED: accounting: pdf/accounting.pdf
      PASSED: admin-guide: pdf/admin-guide.pdf
      PASSED: core-api: pdf/core-api.pdf
      PASSED: fb: pdf/fb.pdf
      PASSED: peci: pdf/peci.pdf
      PASSED: trace: pdf/trace.pdf
      PASSED: misc-devices: pdf/misc-devices.pdf
      PASSED: kernel-hacking: pdf/kernel-hacking.pdf
      PASSED: hwmon: pdf/hwmon.pdf

Summary
=======
  PASSED - Mageia 9 (7 tests)

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/bd6e03c79b890ad0168493cdb4cdaf610bbc8c45.1755763127.git.mchehab+huawei@kernel.org
8 weeks agoscripts: sphinx-pre-install: fix dependencies for OpenMandriva
Mauro Carvalho Chehab [Thu, 21 Aug 2025 08:16:47 +0000 (10:16 +0200)] 
scripts: sphinx-pre-install: fix dependencies for OpenMandriva

The dependeny list for OpenMandriva is wrong. Update it.

Yet, on my tests with OpenMandriva LX 4.3, the texlive packages are
broken: xelatex can't build anything there, as it lacks xelatex.sfm.

Yet, this could be a problem at the way I created the container.
Just in case, add a note about that.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/669e759ba366328e5c8d5b14a591ba45a1f58176.1755763127.git.mchehab+huawei@kernel.org
8 weeks agoscripts: sphinx-pre-install: fix PDF dependencies for openSuse
Mauro Carvalho Chehab [Thu, 21 Aug 2025 08:16:46 +0000 (10:16 +0200)] 
scripts: sphinx-pre-install: fix PDF dependencies for openSuse

The dependencies are outdated: both versions need texlive-dejavu
fonts. Also, for PDF generation, python311-Sphinx-latex is
required.

With that, all PDF files are now tuilt on both:

openSUSE Leap 15.6:
-------------------
    PASSED: OS detection: openSUSE Leap 15.6
    SKIPPED (Sphinx Sphinx 7.2.6): System packages
    SKIPPED (Sphinx already installed either as venv or as native package): Sphinx on venv
    SKIPPED (Sphinx already installed either as venv or as native package): Sphinx package
    PASSED: Clean documentation: Build time: 0:00, return code: 0
    PASSED: Build HTML documentation: Build time: 5:29, return code: 0
    PASSED: Build PDF documentation: Build time: 13:45, return code: 0

openSUSE Tumbleweed:
--------------------
    PASSED: OS detection: openSUSE Tumbleweed
    SKIPPED (Sphinx Sphinx 8.2.3): System packages
    SKIPPED (Sphinx already installed either as venv or as native package): Sphinx on venv
    SKIPPED (Sphinx already installed either as venv or as native package): Sphinx package
    PASSED: Clean documentation: Build time: 0:00, return code: 0
    PASSED: Build HTML documentation: Build time: 4:33, return code: 0
    PASSED: Build PDF documentation: Build time: 13:18, return code: 0

Summary
=======
  PASSED - openSUSE Leap 15.6 (7 tests)
  PASSED - openSUSE Tumbleweed (7 tests)

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/d78457376f9dfd24cb7ac3a32895c654412715f3.1755763127.git.mchehab+huawei@kernel.org
8 weeks agoscripts: sphinx-pre-install: add missing gentoo pdf dependencies
Mauro Carvalho Chehab [Thu, 21 Aug 2025 08:16:45 +0000 (10:16 +0200)] 
scripts: sphinx-pre-install: add missing gentoo pdf dependencies

There are two packages that are required to build PDF at gentoo:

dev-texlive/texlive-latexextra
media-fonts/lm

Place latex_dependencies on a list to make it easier to maintain
and add the missing ones.

With that, most PDF documents now build on Gentoo:

Gentoo Base System release 2.17:
--------------------------------
    PASSED: OS detection: Gentoo Base System release 2.17
    SKIPPED (Sphinx Sphinx 8.2.3): System packages
    SKIPPED (Sphinx already installed either as venv or as native package): Sphinx on venv
    SKIPPED (Sphinx already installed either as venv or as native package): Sphinx package
    PASSED: Clean documentation: Build time: 0:00, return code: 0
    PASSED: Build HTML documentation: Build time: 5:28, return code: 0
    PARTIAL: Build PDF documentation: Test failed (Build time: 9:19, return code: 2)

  PDF docs:
  ---------
      PASSED: dev-tools: pdf/dev-tools.pdf
      PASSED: tools: pdf/tools.pdf
      PASSED: filesystems: pdf/filesystems.pdf
      PASSED: w1: pdf/w1.pdf
      PASSED: maintainer: pdf/maintainer.pdf
      PASSED: process: pdf/process.pdf
      PASSED: isdn: pdf/isdn.pdf
      PASSED: fault-injection: pdf/fault-injection.pdf
      PASSED: iio: pdf/iio.pdf
      PASSED: scheduler: pdf/scheduler.pdf
      PASSED: staging: pdf/staging.pdf
      PASSED: fpga: pdf/fpga.pdf
      PASSED: power: pdf/power.pdf
      PASSED: leds: pdf/leds.pdf
      PASSED: edac: pdf/edac.pdf
      PASSED: PCI: pdf/PCI.pdf
      PASSED: firmware-guide: pdf/firmware-guide.pdf
      PASSED: cpu-freq: pdf/cpu-freq.pdf
      PASSED: mhi: pdf/mhi.pdf
      PASSED: wmi: pdf/wmi.pdf
      PASSED: timers: pdf/timers.pdf
      PASSED: accel: pdf/accel.pdf
      PASSED: hid: pdf/hid.pdf
      FAILED: userspace-api: Build failed (FAILED)
      PASSED: spi: pdf/spi.pdf
      PASSED: networking: pdf/networking.pdf
      PASSED: virt: pdf/virt.pdf
      PASSED: nvme: pdf/nvme.pdf
      FAILED: translations: Build failed (FAILED)
      PASSED: input: pdf/input.pdf
      PASSED: tee: pdf/tee.pdf
      PASSED: doc-guide: pdf/doc-guide.pdf
      PASSED: cdrom: pdf/cdrom.pdf
      FAILED: gpu: Build failed (FAILED)
      FAILED: i2c: Build failed (FAILED)
      FAILED: RCU: Build failed (FAILED)
      PASSED: watchdog: pdf/watchdog.pdf
      PASSED: usb: pdf/usb.pdf
      PASSED: rust: pdf/rust.pdf
      PASSED: crypto: pdf/crypto.pdf
      PASSED: kbuild: pdf/kbuild.pdf
      PASSED: livepatch: pdf/livepatch.pdf
      PASSED: mm: pdf/mm.pdf
      PASSED: locking: pdf/locking.pdf
      PASSED: infiniband: pdf/infiniband.pdf
      PASSED: driver-api: pdf/driver-api.pdf
      PASSED: bpf: pdf/bpf.pdf
      PASSED: devicetree: pdf/devicetree.pdf
      PASSED: block: pdf/block.pdf
      PASSED: target: pdf/target.pdf
      FAILED: arch: Build failed (FAILED)
      PASSED: pcmcia: pdf/pcmcia.pdf
      PASSED: scsi: pdf/scsi.pdf
      PASSED: netlabel: pdf/netlabel.pdf
      PASSED: sound: pdf/sound.pdf
      PASSED: security: pdf/security.pdf
      PASSED: accounting: pdf/accounting.pdf
      PASSED: admin-guide: pdf/admin-guide.pdf
      FAILED: core-api: Build failed (FAILED)
      PASSED: fb: pdf/fb.pdf
      PASSED: peci: pdf/peci.pdf
      PASSED: trace: pdf/trace.pdf
      PASSED: misc-devices: pdf/misc-devices.pdf
      PASSED: kernel-hacking: pdf/kernel-hacking.pdf
      PASSED: hwmon: pdf/hwmon.pdf

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/0ac8d6b7484aaf930917c8edde53742d425e7e8f.1755763127.git.mchehab+huawei@kernel.org
8 weeks agoscripts: sphinx-pre-install: fix PDF build issues on Ubuntu
Mauro Carvalho Chehab [Thu, 21 Aug 2025 08:16:44 +0000 (10:16 +0200)] 
scripts: sphinx-pre-install: fix PDF build issues on Ubuntu

PDF output with current Debian-based distros require other
packages for it to work. The main one is pzdr.tfm. Without
that, \sphinxhyphen{} won't work, affecting multiple docs.

For CJK, tex-gyre is required.

Add the missing packages to the list.

After the change, all PDF files build on latest Ubuntu:

Ubuntu 25.04:
-------------
    PASSED: OS detection: Ubuntu 25.04
    SKIPPED (Sphinx Sphinx 8.1.3): System packages
    SKIPPED (Sphinx already installed either as venv or as native package): Sphinx on venv
    SKIPPED (Sphinx already installed either as venv or as native package): Sphinx package
    PASSED: Clean documentation: Build time: 0:00, return code: 0
    PASSED: Build HTML documentation: Build time: 3:28, return code: 0
    PASSED: Build PDF documentation: Build time: 11:08, return code: 0

  PDF docs:
  ---------
      PASSED: dev-tools: pdf/dev-tools.pdf
      PASSED: tools: pdf/tools.pdf
      PASSED: filesystems: pdf/filesystems.pdf
      PASSED: w1: pdf/w1.pdf
      PASSED: maintainer: pdf/maintainer.pdf
      PASSED: process: pdf/process.pdf
      PASSED: isdn: pdf/isdn.pdf
      PASSED: fault-injection: pdf/fault-injection.pdf
      PASSED: iio: pdf/iio.pdf
      PASSED: scheduler: pdf/scheduler.pdf
      PASSED: staging: pdf/staging.pdf
      PASSED: fpga: pdf/fpga.pdf
      PASSED: power: pdf/power.pdf
      PASSED: leds: pdf/leds.pdf
      PASSED: edac: pdf/edac.pdf
      PASSED: PCI: pdf/PCI.pdf
      PASSED: firmware-guide: pdf/firmware-guide.pdf
      PASSED: cpu-freq: pdf/cpu-freq.pdf
      PASSED: mhi: pdf/mhi.pdf
      PASSED: wmi: pdf/wmi.pdf
      PASSED: timers: pdf/timers.pdf
      PASSED: accel: pdf/accel.pdf
      PASSED: hid: pdf/hid.pdf
      PASSED: userspace-api: pdf/userspace-api.pdf
      PASSED: spi: pdf/spi.pdf
      PASSED: networking: pdf/networking.pdf
      PASSED: virt: pdf/virt.pdf
      PASSED: nvme: pdf/nvme.pdf
      PASSED: translations: pdf/translations.pdf
      PASSED: input: pdf/input.pdf
      PASSED: tee: pdf/tee.pdf
      PASSED: doc-guide: pdf/doc-guide.pdf
      PASSED: cdrom: pdf/cdrom.pdf
      PASSED: gpu: pdf/gpu.pdf
      PASSED: i2c: pdf/i2c.pdf
      PASSED: RCU: pdf/RCU.pdf
      PASSED: watchdog: pdf/watchdog.pdf
      PASSED: usb: pdf/usb.pdf
      PASSED: rust: pdf/rust.pdf
      PASSED: crypto: pdf/crypto.pdf
      PASSED: kbuild: pdf/kbuild.pdf
      PASSED: livepatch: pdf/livepatch.pdf
      PASSED: mm: pdf/mm.pdf
      PASSED: locking: pdf/locking.pdf
      PASSED: infiniband: pdf/infiniband.pdf
      PASSED: driver-api: pdf/driver-api.pdf
      PASSED: bpf: pdf/bpf.pdf
      PASSED: devicetree: pdf/devicetree.pdf
      PASSED: block: pdf/block.pdf
      PASSED: target: pdf/target.pdf
      PASSED: arch: pdf/arch.pdf
      PASSED: pcmcia: pdf/pcmcia.pdf
      PASSED: scsi: pdf/scsi.pdf
      PASSED: netlabel: pdf/netlabel.pdf
      PASSED: sound: pdf/sound.pdf
      PASSED: security: pdf/security.pdf
      PASSED: accounting: pdf/accounting.pdf
      PASSED: admin-guide: pdf/admin-guide.pdf
      PASSED: core-api: pdf/core-api.pdf
      PASSED: fb: pdf/fb.pdf
      PASSED: peci: pdf/peci.pdf
      PASSED: trace: pdf/trace.pdf
      PASSED: misc-devices: pdf/misc-devices.pdf
      PASSED: kernel-hacking: pdf/kernel-hacking.pdf
      PASSED: hwmon: pdf/hwmon.pdf

Reported-by: Akira Yokosawa <akiyks@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/b5e2e0df68b377b148fdbdd721f6c1cbefe6f861.1755763127.git.mchehab+huawei@kernel.org
8 weeks agodocs: conf.py: extra cleanups and fixes
Mauro Carvalho Chehab [Thu, 21 Aug 2025 08:16:43 +0000 (10:16 +0200)] 
docs: conf.py: extra cleanups and fixes

Makes it more adehent with modern Sphinx LaTeX build setup as
defined at:

https://www.sphinx-doc.org/en/master/latex.html

There, it suggests:

1) to add: 'printindex'

    “printindex” call, the last thing in the file. Override if you want to generate
    the index differently, append some content after the index, or change the font.
    As LaTeX uses two-column mode for the index it is often advisable to set this
    key to r'\footnotesize\raggedright\printindex'.

This indeed solved a corner case on a distro where the index was not properly
generated.

2) to add at the main example:
         \PassOptionsToPackage{svgnames}{xcolor}

3) I got a corner case on one of the distros was using xindy to produce
   indexes. This ended causing the build logic to incorretly try to use
   T1 fontenc, which is not UTF-8 compatible.

   This patch adds:

        \PassOptionsToPackage{xindy}{language=english,codepage=utf8,noautomatic}

   to cover such case. It should be noticed that, as the config doesn't
   have \usepackage{xindy}, this will be used only if latexmk ends
   using xindy.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/08d16c2ad817910eb5606842f776d3f77d83282f.1755763127.git.mchehab+huawei@kernel.org
8 weeks agodocs: conf.py: fix some troubles for LaTeX output
Mauro Carvalho Chehab [Thu, 21 Aug 2025 08:16:42 +0000 (10:16 +0200)] 
docs: conf.py: fix some troubles for LaTeX output

While PDF docs work fine on RPM-based distros, it causes conflicts
on Debian & friends.

There are multiple root causes here:

- the latex_elements still resambles the one from Sphinx 1.x
  times, where font configurations were stored under
  "preamble". It doesn't follow the current recommended way from
  Sphinx documentation:

https://www.sphinx-doc.org/en/master/latex.html

- instead of setting the main font, from where other fonts are
  derivated, it sets romanfont;

- "fontenc" is not set. This allows the *.tex output file to
  contain an UTF-8 incompatible fontset:

\usepackage[T1]{fontenc}

Address such issues to help preventing incompatible usage of
both T1 font and UTF-8 ones that comes from DejaVu font
family.

On some distros, this even generate a LaTeX font warning about
corrupted NFSS tables like this (I got it when running it in
interactive mode):

Package: fontenc 2021/04/29 v2.0v Standard LaTeX package
LaTeX Font Info:    Trying to load font information for T1+lmr on input line 11
6.
LaTeX Font Info:    No file T1lmr.fd. on input line 116.

LaTeX Font Warning: Font shape `T1/lmr/m/n' undefined
(Font)              using `T1/lmr/m/n' instead on input line 116.

! Corrupted NFSS tables.
wrong@fontshape ...message {Corrupted NFSS tables}
                                                  error@fontshape else let f...
l.116 ...\familydefault\seriesdefault\shapedefault

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/8104ce56a5ea3509fbb56a8163b779d38a6aaa9c.1755763127.git.mchehab+huawei@kernel.org
8 weeks agodocs: conf.py: use dedent and r-strings for LaTeX macros
Mauro Carvalho Chehab [Thu, 21 Aug 2025 08:16:41 +0000 (10:16 +0200)] 
docs: conf.py: use dedent and r-strings for LaTeX macros

Instead of adding extra weird indentation at the tex
file, use dedent(). While here, also use r-strings, to make
easier to make its content identical to the .tex output.

While here, also merge "preamble" that was added on two
separate parts of the code (in the past, there were some
version-specific checks).

No functional changes, just cosmetic ones.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/0d245fbd872ab3ec21bd8fe78b01340ba77ce365.1755763127.git.mchehab+huawei@kernel.org
8 weeks agodocs: conf.py: rename some vars at latex_documents logic
Mauro Carvalho Chehab [Thu, 21 Aug 2025 08:16:40 +0000 (10:16 +0200)] 
docs: conf.py: rename some vars at latex_documents logic

Currently, the logic uses fn and doc vars, but they don't
properly describe what such vars do.

Make them clearer:
- fname: points to the file name to search (index.rst);
- doc: contains the name of the LaTeX or PDF doc to
  be produced.

With that, the checks for SPHINXDIRS and for subdirs will
be more coherent.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/b030d9bc53550905adbe9367b2a3915d7331b4c5.1755763127.git.mchehab+huawei@kernel.org
8 weeks agodocs: conf.py: fix doc name with SPHINXDIRS
Mauro Carvalho Chehab [Thu, 21 Aug 2025 08:16:39 +0000 (10:16 +0200)] 
docs: conf.py: fix doc name with SPHINXDIRS

When SPHINXDIRS is used, the current logic produces a wrong
list of files, as it will not pick the SPHINXDIRS directory,
picking instead their children.

Add a rule to detect it and create the PDF doc with the right
name.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/183f630643eacf414cfa8d892f03dd1b1055c21e.1755763127.git.mchehab+huawei@kernel.org
8 weeks agodocs: conf.py: better handle latex documents
Mauro Carvalho Chehab [Thu, 21 Aug 2025 08:16:38 +0000 (10:16 +0200)] 
docs: conf.py: better handle latex documents

The original logic assumed that app.srcdir is identical to the
current working dir. This is the case for a normal build, but,
when SPHINXDIRS="some dir" is used, this is not the case anymore.

Adjust the logic to fill the LaTeX documents considering
app.srcdir, in a way that it will work properly on all cases.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/de23b35a770210950c609deaa32b98cb3673a53a.1755763127.git.mchehab+huawei@kernel.org
8 weeks agodocs: Makefile: Fix LaTeX paper size settings
Mauro Carvalho Chehab [Thu, 21 Aug 2025 08:16:37 +0000 (10:16 +0200)] 
docs: Makefile: Fix LaTeX paper size settings

According with:
https://www.sphinx-doc.org/en/master/latex.html

The variable that handles paper size changed during version 1.5,
as pointed at:
https://www.sphinx-doc.org/en/master/changes/1.5.html

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/c50db42ead36010fd42ce1e6a2b9da766c11927b.1755763127.git.mchehab+huawei@kernel.org
8 weeks agoDocumentation: Add real-time to core-api
Sebastian Andrzej Siewior [Fri, 15 Aug 2025 09:38:57 +0000 (11:38 +0200)] 
Documentation: Add real-time to core-api

The documents explain the design concepts behind PREEMPT_RT and highlight key
differences necessary to achieve it.
It also include a list of requirements that must be fulfilled to support
PREEMPT_RT on a given architecture.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
[jc: tweaked "how they differ" section head]
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250815093858.930751-4-bigeasy@linutronix.de
8 weeks agoDocumentation: locking: Add local_lock_nested_bh() to locktypes
Sebastian Andrzej Siewior [Fri, 15 Aug 2025 09:38:56 +0000 (11:38 +0200)] 
Documentation: locking: Add local_lock_nested_bh() to locktypes

local_lock_nested_bh() is used within networking where applicable.
Document why it is used and how it behaves.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250815093858.930751-3-bigeasy@linutronix.de
8 weeks agoDocumentation: seqlock: Add a SPDX license identifier
Sebastian Andrzej Siewior [Fri, 15 Aug 2025 09:38:55 +0000 (11:38 +0200)] 
Documentation: seqlock: Add a SPDX license identifier

Add a SPDX identifier. The majority of the document has been written by
Ahmed S. Darwish.

Cc: Ahmed S. Darwish <darwi@linutronix.de>
Acked-by: Ahmed S. Darwish <darwi@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250815093858.930751-2-bigeasy@linutronix.de
8 weeks agodocs: fix trailing whitespace error and remove repeated words in propagate_umount.txt
Raphael Pinsonneault-Thibeault [Mon, 18 Aug 2025 18:19:34 +0000 (14:19 -0400)] 
docs: fix trailing whitespace error and remove repeated words in propagate_umount.txt

in Documentation/filesystems/propagate_umount.txt:
line 289: remove whitespace on blank line
line 315: remove duplicate "that"
line 364: remove duplicate "in"

Signed-off-by: Raphael Pinsonneault-Thibeault <rpthibeault@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250818181934.55491-2-rpthibeault@gmail.com
8 weeks agodocs: sysctl: add a few more top-level /proc/sys entries
Randy Dunlap [Tue, 19 Aug 2025 07:54:56 +0000 (00:54 -0700)] 
docs: sysctl: add a few more top-level /proc/sys entries

Add a few missing directories under /proc/sys.
Fix punctuation and doubled words.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Reviewed-by: Rik van Riel <riel@surriel.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250819075456.113623-1-rdunlap@infradead.org
8 weeks agodocs: Corrected typo in trace/events
Mehdi Ben Hadj Khelifa [Tue, 19 Aug 2025 08:49:00 +0000 (09:49 +0100)] 
docs: Corrected typo in trace/events

-Changed 'Dyamically' to 'Dynamically' in trace/events.rst

under sections 7.1 and 7.3

Signed-off-by: Mehdi Ben Hadj Khelifa <mehdi.benhadjkhelifa@gmail.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250819085040.974388-1-mehdi.benhadjkhelifa@gmail.com
8 weeks agodocs: kernel-parameters: typo fix and add missing SPDX-License tag
Bartlomiej Kubik [Tue, 19 Aug 2025 11:35:51 +0000 (13:35 +0200)] 
docs: kernel-parameters: typo fix and add missing SPDX-License tag

Fix documentation issues by removing a duplicated word and adding the
missing SPDX-License identifier.

Signed-off-by: Bartlomiej Kubik <kubik.bartlomiej@gmail.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250819113551.34356-1-kubik.bartlomiej@gmail.com
8 weeks agoDocumentation: driver-api: usb: Limit toctree depth
Bagas Sanjaya [Wed, 20 Aug 2025 05:04:16 +0000 (12:04 +0700)] 
Documentation: driver-api: usb: Limit toctree depth

toctree index in USB driver api docs currently spoils the entire docs
headings due to lack of :maxdepth: option. Add the option to limit
toctree depth to 1, mirroring usb subsystem docs in
Documentation/usb/index.rst.

Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250820050416.25219-1-bagasdotme@gmail.com
8 weeks agoDocumentation: conf.py: remove repeated word in comment
Albin Babu Varghese [Wed, 20 Aug 2025 19:47:15 +0000 (15:47 -0400)] 
Documentation: conf.py: remove repeated word in comment

Remove a repeated "are" from a comment in conf.py

Signed-off-by: Albin Babu Varghese <albinbabuvarghese20@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250820194714.130513-2-albinbabuvarghese20@gmail.com
2 months agodocs: Remove remainders of reiserfs
David Sterba [Wed, 13 Aug 2025 10:00:52 +0000 (12:00 +0200)] 
docs: Remove remainders of reiserfs

Reiserfs has been removed in 6.13, there are still some mentions in the
documentation about it and the tools. Remove those that don't seem
relevant anymore but keep references to reiserfs' r5 hash used by some
code.

There's one change in a script scripts/selinux/install_policy.sh but it
does not seem to be relevant either.

Signed-off-by: David Sterba <dsterba@suse.com>
Acked-by: Paul Moore <paul@paul-moore.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250813100053.1291961-1-dsterba@suse.com
2 months agoMerge branch 'bjorn' into docs-mw
Jonathan Corbet [Mon, 18 Aug 2025 16:40:16 +0000 (10:40 -0600)] 
Merge branch 'bjorn' into docs-mw

A big set of typo fixes from Bjorn Helgaas

2 months agoDocumentation: Fix trace typos
Bjorn Helgaas [Wed, 13 Aug 2025 20:05:04 +0000 (15:05 -0500)] 
Documentation: Fix trace typos

Fix typos.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250813200526.290420-9-helgaas@kernel.org
2 months agoDocumentation: Fix power typos
Bjorn Helgaas [Wed, 13 Aug 2025 20:05:03 +0000 (15:05 -0500)] 
Documentation: Fix power typos

Fix typos.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250813200526.290420-8-helgaas@kernel.org
2 months agoDocumentation: Fix networking typos
Bjorn Helgaas [Wed, 13 Aug 2025 20:05:02 +0000 (15:05 -0500)] 
Documentation: Fix networking typos

Fix typos.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250813200526.290420-7-helgaas@kernel.org
2 months agoDocumentation: Fix filesystems typos
Bjorn Helgaas [Wed, 13 Aug 2025 20:05:01 +0000 (15:05 -0500)] 
Documentation: Fix filesystems typos

Fix typos.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250813200526.290420-6-helgaas@kernel.org
2 months agoDocumentation: Fix core-api typos
Bjorn Helgaas [Wed, 13 Aug 2025 20:05:00 +0000 (15:05 -0500)] 
Documentation: Fix core-api typos

Fix typos.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250813200526.290420-5-helgaas@kernel.org
2 months agoDocumentation: Fix admin-guide typos
Bjorn Helgaas [Wed, 13 Aug 2025 20:04:59 +0000 (15:04 -0500)] 
Documentation: Fix admin-guide typos

Fix typos.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250813200526.290420-4-helgaas@kernel.org
2 months agoDocumentation: Fix RCU typos
Bjorn Helgaas [Wed, 13 Aug 2025 20:04:58 +0000 (15:04 -0500)] 
Documentation: Fix RCU typos

Fix typos.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250813200526.290420-3-helgaas@kernel.org
2 months agoDocumentation: Fix PCI typos
Bjorn Helgaas [Wed, 13 Aug 2025 20:04:57 +0000 (15:04 -0500)] 
Documentation: Fix PCI typos

Fix typos.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250813200526.290420-2-helgaas@kernel.org
2 months agoDocumentation: ktap: Separate first bullet list items
Bagas Sanjaya [Thu, 14 Aug 2025 01:20:46 +0000 (08:20 +0700)] 
Documentation: ktap: Separate first bullet list items

The first bullet list items are shown in htmldocs output as combined
with previous paragraph due to missing blank line separator. Add it.

Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250814012046.21235-3-bagasdotme@gmail.com
2 months agoDocumentation: ktap: Correct "its" spelling
Bagas Sanjaya [Thu, 14 Aug 2025 01:20:45 +0000 (08:20 +0700)] 
Documentation: ktap: Correct "its" spelling

Fix possessive adjective "its" spelling.

Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250814012046.21235-2-bagasdotme@gmail.com
2 months agodocs: kdoc: remove redundant comment stripping
Jonathan Corbet [Thu, 14 Aug 2025 15:40:35 +0000 (09:40 -0600)] 
docs: kdoc: remove redundant comment stripping

By the time stuff gets to create_parameter_list(), comments have long since
been stripped out, so we do not need to do it again here.

Acked-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250814154035.328769-8-corbet@lwn.net
2 months agodocs: kdoc: tighten up the pointer-to-function case
Jonathan Corbet [Thu, 14 Aug 2025 15:40:34 +0000 (09:40 -0600)] 
docs: kdoc: tighten up the pointer-to-function case

Tighten up the code and remove an unneeded regex operation.

Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250814154035.328769-7-corbet@lwn.net
2 months agodocs: kdoc: tighten up the array-of-pointers case
Jonathan Corbet [Thu, 14 Aug 2025 15:40:33 +0000 (09:40 -0600)] 
docs: kdoc: tighten up the array-of-pointers case

Simplify one gnarly regex and remove another altogether; add a comment
describing what is going on.  There will be no #-substituted commas in this
case, so don't bother trying to put them back.

Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250814154035.328769-6-corbet@lwn.net
2 months agodocs: kdoc: add a couple more comments in create_parameter_list()
Jonathan Corbet [Thu, 14 Aug 2025 15:40:32 +0000 (09:40 -0600)] 
docs: kdoc: add a couple more comments in create_parameter_list()

Make what the final code is doing a bit more clear to slow readers like me.

Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250814154035.328769-5-corbet@lwn.net
2 months agodocs: kdoc: clean up the create_parameter_list() "first arg" logic
Jonathan Corbet [Thu, 14 Aug 2025 15:40:31 +0000 (09:40 -0600)] 
docs: kdoc: clean up the create_parameter_list() "first arg" logic

The logic for finding the name of the first in a series of variable names
is somewhat convoluted and, in the use of .extend(), actively buggy.
Document what is happening and simplify the logic.

Acked-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250814154035.328769-4-corbet@lwn.net
2 months agodocs: kdoc: tidy up space removal in create_parameter_list()
Jonathan Corbet [Thu, 14 Aug 2025 15:40:30 +0000 (09:40 -0600)] 
docs: kdoc: tidy up space removal in create_parameter_list()

Remove a redundant test and add a comment describing what the space removal
is doing.

Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250814154035.328769-3-corbet@lwn.net
2 months agodocs: kdoc: remove dead code
Jonathan Corbet [Thu, 14 Aug 2025 15:40:29 +0000 (09:40 -0600)] 
docs: kdoc: remove dead code

create_parameter_list() tests an argument against the same regex twice, in
two different locations; remove the pointless extra tests and the
never-executed error cases that go with them.

Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250814154035.328769-2-corbet@lwn.net
2 months agoDocumentation: Fix driver-api typos
Ranganath V N [Thu, 14 Aug 2025 18:43:03 +0000 (00:13 +0530)] 
Documentation: Fix driver-api typos

Corrected a few spelling mistakes

functionalty ==> functionality
in Documentation/driver-api/cxl/devices/device-types.rst

adjascent ==> adjacent
in Documentation/driver-api/cxl/platform/example-configurations/one-dev-per-hb.rst

succeessful ==> successful
in Documentation/driver-api/thermal/exynos_thermal_emulation.rst

Signed-off-by: Ranganath V N <vnranganath.20@gmail.com>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250814184304.20448-1-vnranganath.20@gmail.com
2 months agodocs: remove a duplicated word from kernel-parameters.txt
Vivek Yadav [Sat, 16 Aug 2025 08:24:52 +0000 (01:24 -0700)] 
docs: remove a duplicated word from kernel-parameters.txt

Fix kernel-doc warning in kernel-parameters.txt

WARNING: Possible repeated word: 'is'

Signed-off-by: Vivek Yadav <vivekyadav1207731111@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250816082452.219009-1-vivekyadav1207731111@gmail.com
2 months agodocs: Replace dead links to spectre side channel white papers
Nikola Z. Ivanov [Sat, 16 Aug 2025 19:00:28 +0000 (22:00 +0300)] 
docs: Replace dead links to spectre side channel white papers

The papers are published by Intel, AMD and MIPS.

Signed-off-by: Nikola Z. Ivanov <zlatistiv@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20250816190028.55573-1-zlatistiv@gmail.com
2 months agoDocumentation/sphinx: Fix typo in automarkup.py
Iris Shi [Mon, 18 Aug 2025 09:47:48 +0000 (17:47 +0800)] 
Documentation/sphinx: Fix typo in automarkup.py

"whan" -> "when"

Signed-off-by: Iris Shi <0.0@owo.li>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/8e5ddb7d-8faf-314f-b1b1-2d15d6900862@owo.li
2 months agoMerge branch 'pre-install' into docs-mw
Jonathan Corbet [Wed, 13 Aug 2025 16:19:50 +0000 (10:19 -0600)] 
Merge branch 'pre-install' into docs-mw

Mauro says:

that's the second version of the patch series which converts
sphinx-pre-install to Python.

The core patches are basically the same as on v1, but it has lots of
fixes over the original script after testing sphinx-install on 22
distros.

Please notice that I have a separate patch series addressing issues
that are specific to PDF generation.

Test Results Summary:
====================

  PASSED - AlmaLinux release 9.6 (Sage Margay) (4 tests)
  PASSED - Amazon Linux release 2023 (Amazon Linux) (4 tests)
  PASSED - Arch Linux (4 tests)
  PASSED - CentOS Stream release 9 (4 tests)
  PASSED - Debian GNU/Linux 12 (4 tests)
  PASSED - Devuan GNU/Linux 5 (4 tests)
  PASSED - Fedora release 42 (Adams) (4 tests)
  PASSED - Gentoo Base System release 2.17 (4 tests)
  PASSED - Kali GNU/Linux 2025.2 (4 tests)
  PASSED - Mageia 9 (4 tests)
  PASSED - Linux Mint 22 (4 tests)
  PASSED - openEuler release 25.03 (4 tests)
  PARTIAL - OpenMandriva Lx 4.3 (4 tests)
ensurepip package doesn't exist there. So, venv install failed.
Installed via package worked
  PASSED - openSUSE Leap 15.6 (4 tests)
  PASSED - openSUSE Tumbleweed (4 tests)
  PASSED - Oracle Linux Server release 9.6 (4 tests)
  FAILED - Red Hat Enterprise Linux release 8.10 (Ootpa) (4 tests)
I couldn't test properly, as it requires a repository under
paywall. I suspect It should work fine
  PARTIAL - Rocky Linux release 8.9 (Green Obsidian) (4 tests)
Install via package didn't work. Instaling via venv works.
  PASSED - Rocky Linux release 9.6 (Blue Onyx) (4 tests)
  PARTIAL - Springdale Open Enterprise Linux release 9.2 (Parma) (4 tests)
Failed to install ImageMagick (affects pdf only)
  PASSED - Ubuntu 24.04.2 LTS (4 tests)
  PASSED - Ubuntu 25.04 (4 tests)

In short, I expect that, for all the above, the script will properly
recommend the right packages to have sphinx-build working.

A more detailed list of tests that passed/failed and detected Sphinx
versions can be seeing below:

AlmaLinux release 9.6 (Sage Margay):
------------------------------------
    PASSED: OS detection: AlmaLinux release 9.6 (Sage Margay)
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 7.4.7
    PASSED: Sphinx package: Sphinx 3.4.3

Amazon Linux release 2023 (Amazon Linux):
-----------------------------------------
    PASSED: OS detection: Amazon Linux release 2023 (Amazon Linux)
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 7.4.7
    PASSED: Sphinx package: Sphinx 3.4.3

Arch Linux:
-----------
    PASSED: OS detection: Arch Linux
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 8.2.3
    PASSED: Sphinx package: Sphinx 8.2.3

CentOS Stream release 9:
------------------------
    PASSED: OS detection: CentOS Stream release 9
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 7.4.7
    PASSED: Sphinx package: Sphinx 3.4.3

Debian GNU/Linux 12:
--------------------
    PASSED: OS detection: Debian GNU/Linux 12
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 8.2.3
    PASSED: Sphinx package: Sphinx 5.3.0

Devuan GNU/Linux 5:
-------------------
    PASSED: OS detection: Devuan GNU/Linux 5
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 8.2.3
    PASSED: Sphinx package: Sphinx 5.3.0

Fedora release 42 (Adams):
--------------------------
    PASSED: OS detection: Fedora release 42 (Adams)
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 8.2.3
    PASSED: Sphinx package: Sphinx 8.1.3

Gentoo Base System release 2.17:
--------------------------------
    PASSED: OS detection: Gentoo Base System release 2.17
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 8.2.3
    PASSED: Sphinx package: Sphinx 8.2.3

Kali GNU/Linux 2025.2:
----------------------
    PASSED: OS detection: Kali GNU/Linux 2025.2
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 8.2.3
    PASSED: Sphinx package: Sphinx 8.1.3

Mageia 9:
---------
    PASSED: OS detection: Mageia 9
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 6.1.3
    PASSED: Sphinx package: Sphinx 6.1.3

Linux Mint 22:
--------------
    PASSED: OS detection: Linux Mint 22
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 8.1.3
    PASSED: Sphinx package: Sphinx 4.3.2

openEuler release 25.03:
------------------------
    PASSED: OS detection: openEuler release 25.03
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 8.2.3
    PASSED: Sphinx package: Sphinx 8.1.3

OpenMandriva Lx 4.3:
--------------------
    PASSED: OS detection: OpenMandriva Lx 4.3
    FAILED: System packages:  Error: Unable to find a match: ensurepip
    FAILED: Sphinx on venv: Installation failed
    PASSED: Sphinx package: Sphinx 4.3.2

openSUSE Leap 15.6:
-------------------
    PASSED: OS detection: openSUSE Leap 15.6
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 8.2.3
    PASSED: Sphinx package: Sphinx 7.2.6

openSUSE Tumbleweed:
--------------------
    PASSED: OS detection: openSUSE Tumbleweed
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 8.2.3
    PASSED: Sphinx package: Sphinx 8.2.3

Oracle Linux Server release 9.6:
--------------------------------
    PASSED: OS detection: Oracle Linux Server release 9.6
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 7.4.7
    PASSED: Sphinx package: Sphinx 3.4.3

Red Hat Enterprise Linux release 8.10 (Ootpa):
----------------------------------------------
    PASSED: OS detection: Red Hat Enterprise Linux release 8.10 (Ootpa)
    FAILED: System packages:  Error: Unable to find a match: google-noto-sans-cjk-ttc-fonts librsvg2-tools
texlive-amscls texlive-amsfonts texlive-amsmath texlive-anyfontsize texlive-capt-of texlive-cmap
texlive-collection-fontsrecommended texlive-collection-latex texlive-ec texlive-eqparbox texlive-euenc
texlive-fancybox texlive-fancyvrb texlive-float texlive-fncychap texlive-framed texlive-luatex85
texlive-mdwtools texlive-multirow texlive-needspace texlive-oberdiek texlive-parskip texlive-polyglossia
texlive-psnfss texlive-tabulary texlive-threeparttable texlive-titlesec texlive-tools texlive-ucs
texlive-upquote texlive-wrapfig texlive-xecjk texlive-xetex-bin
    FAILED: Sphinx on venv: No Sphinx version detected
    FAILED: Sphinx package: No Sphinx version detected

Rocky Linux release 8.9 (Green Obsidian):
-----------------------------------------
    PASSED: OS detection: Rocky Linux release 8.9 (Green Obsidian)
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 7.4.7
    FAILED: Sphinx package: No Sphinx version detected

Rocky Linux release 9.6 (Blue Onyx):
------------------------------------
    PASSED: OS detection: Rocky Linux release 9.6 (Blue Onyx)
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 7.4.7
    PASSED: Sphinx package: Sphinx 3.4.3

Springdale Open Enterprise Linux release 9.2 (Parma):
-----------------------------------------------------
    PASSED: OS detection: Springdale Open Enterprise Linux release 9.2 (Parma)
    FAILED: System packages:  Error:   Problem: package ImageMagick-6.9.13.25-1.el9.x86_64 requires
libMagickCore-6.Q16.so.7()(64bit), but none of the providers can be installed   - package
ImageMagick-6.9.13.25-1.el9.x86_64 requires libMagickWand-6.Q16.so.7()(64bit), but none of the providers can
be installed   - package ImageMagick-6.9.13.25-1.el9.x86_64 requires ImageMagick-libs(x86-64) =
6.9.13.25-1.el9, but none of the providers can be installed   - conflicting requests   - nothing provides
libraw_r.so.23()(64bit) needed by ImageMagick-libs-6.9.13.25-1.el9.x86_64
    PASSED: Sphinx on venv: Sphinx 7.4.7
    PASSED: Sphinx package: Sphinx 3.4.3

Ubuntu 24.04.2 LTS:
-------------------
    PASSED: OS detection: Ubuntu 24.04.2 LTS
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 8.2.3
    PASSED: Sphinx package: Sphinx 7.2.6

Ubuntu 25.04:
-------------
    PASSED: OS detection: Ubuntu 25.04
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 8.2.3
    PASSED: Sphinx package: Sphinx 8.1.3

Summary
=======
  PASSED - AlmaLinux release 9.6 (Sage Margay) (4 tests)
  PASSED - Amazon Linux release 2023 (Amazon Linux) (4 tests)
  PASSED - Arch Linux (4 tests)
  PASSED - CentOS Stream release 9 (4 tests)
  PASSED - Debian GNU/Linux 12 (4 tests)
  PASSED - Devuan GNU/Linux 5 (4 tests)
  PASSED - Fedora release 42 (Adams) (4 tests)
  PASSED - Gentoo Base System release 2.17 (4 tests)
  PASSED - Kali GNU/Linux 2025.2 (4 tests)
  PASSED - Mageia 9 (4 tests)
  PASSED - Linux Mint 22 (4 tests)
  PASSED - openEuler release 25.03 (4 tests)
  FAILED - OpenMandriva Lx 4.3 (4 tests)
  PASSED - openSUSE Leap 15.6 (4 tests)
  PASSED - openSUSE Tumbleweed (4 tests)
  PASSED - Oracle Linux Server release 9.6 (4 tests)
  FAILED - Red Hat Enterprise Linux release 8.10 (Ootpa) (4 tests)
  FAILED - Rocky Linux release 8.9 (Green Obsidian) (4 tests)
  PASSED - Rocky Linux release 9.6 (Blue Onyx) (4 tests)
  FAILED - Springdale Open Enterprise Linux release 9.2 (Parma) (4 tests)
  PASSED - Ubuntu 24.04.2 LTS (4 tests)
  PASSED - Ubuntu 25.04 (4 tests)
(base) mchehab@foz /new_devel/mchehab_scripts $ ktap_reader.py /tmp/test_logs/*

AlmaLinux release 9.6 (Sage Margay):
------------------------------------
    PASSED: OS detection: AlmaLinux release 9.6 (Sage Margay)
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 7.4.7
    PASSED: Sphinx package: Sphinx 3.4.3

Amazon Linux release 2023 (Amazon Linux):
-----------------------------------------
    PASSED: OS detection: Amazon Linux release 2023 (Amazon Linux)
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 7.4.7
    PASSED: Sphinx package: Sphinx 3.4.3

Arch Linux:
-----------
    PASSED: OS detection: Arch Linux
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 8.2.3
    PASSED: Sphinx package: Sphinx 8.2.3

CentOS Stream release 9:
------------------------
    PASSED: OS detection: CentOS Stream release 9
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 7.4.7
    PASSED: Sphinx package: Sphinx 3.4.3

Debian GNU/Linux 12:
--------------------
    PASSED: OS detection: Debian GNU/Linux 12
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 8.2.3
    PASSED: Sphinx package: Sphinx 5.3.0

Devuan GNU/Linux 5:
-------------------
    PASSED: OS detection: Devuan GNU/Linux 5
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 8.2.3
    PASSED: Sphinx package: Sphinx 5.3.0

Fedora release 42 (Adams):
--------------------------
    PASSED: OS detection: Fedora release 42 (Adams)
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 8.2.3
    PASSED: Sphinx package: Sphinx 8.1.3

Gentoo Base System release 2.17:
--------------------------------
    PASSED: OS detection: Gentoo Base System release 2.17
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 8.2.3
    PASSED: Sphinx package: Sphinx 8.2.3

Kali GNU/Linux 2025.2:
----------------------
    PASSED: OS detection: Kali GNU/Linux 2025.2
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 8.2.3
    PASSED: Sphinx package: Sphinx 8.1.3

Mageia 9:
---------
    PASSED: OS detection: Mageia 9
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 6.1.3
    PASSED: Sphinx package: Sphinx 6.1.3

Linux Mint 22:
--------------
    PASSED: OS detection: Linux Mint 22
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 8.1.3
    PASSED: Sphinx package: Sphinx 4.3.2

openEuler release 25.03:
------------------------
    PASSED: OS detection: openEuler release 25.03
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 8.2.3
    PASSED: Sphinx package: Sphinx 8.1.3

OpenMandriva Lx 4.3:
--------------------
    PASSED: OS detection: OpenMandriva Lx 4.3
    FAILED: System packages:  Error: Unable to find a match: ensurepip
    PARTIAL: Sphinx on venv: Installation failed
    PASSED: Sphinx package: Sphinx 4.3.2

openSUSE Leap 15.6:
-------------------
    PASSED: OS detection: openSUSE Leap 15.6
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 8.2.3
    PASSED: Sphinx package: Sphinx 7.2.6

openSUSE Tumbleweed:
--------------------
    PASSED: OS detection: openSUSE Tumbleweed
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 8.2.3
    PASSED: Sphinx package: Sphinx 8.2.3

Oracle Linux Server release 9.6:
--------------------------------
    PASSED: OS detection: Oracle Linux Server release 9.6
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 7.4.7
    PASSED: Sphinx package: Sphinx 3.4.3

Red Hat Enterprise Linux release 8.10 (Ootpa):
----------------------------------------------
    PASSED: OS detection: Red Hat Enterprise Linux release 8.10 (Ootpa)
    FAILED: System packages:  Error: Unable to find a match: google-noto-sans-cjk-ttc-fonts librsvg2-tools
texlive-amscls texlive-amsfonts texlive-amsmath texlive-anyfontsize texlive-capt-of texlive-cmap
texlive-collection-fontsrecommended texlive-collection-latex texlive-ec texlive-eqparbox texlive-euenc
texlive-fancybox texlive-fancyvrb texlive-float texlive-fncychap texlive-framed texlive-luatex85
texlive-mdwtools texlive-multirow texlive-needspace texlive-oberdiek texlive-parskip texlive-polyglossia
texlive-psnfss texlive-tabulary texlive-threeparttable texlive-titlesec texlive-tools texlive-ucs
texlive-upquote texlive-wrapfig texlive-xecjk texlive-xetex-bin
    PARTIAL: Sphinx on venv: No Sphinx version detected
    PARTIAL: Sphinx package: No Sphinx version detected

Rocky Linux release 8.9 (Green Obsidian):
-----------------------------------------
    PASSED: OS detection: Rocky Linux release 8.9 (Green Obsidian)
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 7.4.7
    PARTIAL: Sphinx package: No Sphinx version detected

Rocky Linux release 9.6 (Blue Onyx):
------------------------------------
    PASSED: OS detection: Rocky Linux release 9.6 (Blue Onyx)
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 7.4.7
    PASSED: Sphinx package: Sphinx 3.4.3

Springdale Open Enterprise Linux release 9.2 (Parma):
-----------------------------------------------------
    PASSED: OS detection: Springdale Open Enterprise Linux release 9.2 (Parma)
    FAILED: System packages:  Error:   Problem: package ImageMagick-6.9.13.25-1.el9.x86_64 requires
libMagickCore-6.Q16.so.7()(64bit), but none of the providers can be installed   - package
ImageMagick-6.9.13.25-1.el9.x86_64 requires libMagickWand-6.Q16.so.7()(64bit), but none of the providers can
be installed   - package ImageMagick-6.9.13.25-1.el9.x86_64 requires ImageMagick-libs(x86-64) =
6.9.13.25-1.el9, but none of the providers can be installed   - conflicting requests   - nothing provides
libraw_r.so.23()(64bit) needed by ImageMagick-libs-6.9.13.25-1.el9.x86_64
    PASSED: Sphinx on venv: Sphinx 7.4.7
    PASSED: Sphinx package: Sphinx 3.4.3

Ubuntu 24.04.2 LTS:
-------------------
    PASSED: OS detection: Ubuntu 24.04.2 LTS
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 8.2.3
    PASSED: Sphinx package: Sphinx 7.2.6

Ubuntu 25.04:
-------------
    PASSED: OS detection: Ubuntu 25.04
    PASSED: System packages: Packages installed
    PASSED: Sphinx on venv: Sphinx 8.2.3
    PASSED: Sphinx package: Sphinx 8.1.3

2 months agoscripts: sphinx-pre-install: some adjustments related to venv
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:56 +0000 (17:52 +0200)] 
scripts: sphinx-pre-install: some adjustments related to venv

While nothing was really needed for virtualenv to work on most
distros, we had an issue with OpenMandriva.

While checking for it, it was noticed that there was no check if
python-virtualenv was installed.

This didn't solve the issues we faced there: at least with
the half-broken OpenMandriva Lx 4.0 docker container we used,
ensurepip was not available anywhere, causing venv to fail.

Add a distro-specific note about that.

Note: at least at the time we did our tests, OpenMandriva Lx 4.0
docker was shipped with wrong dnf repositories. Also, there
was no repos available for it anymore. So, we had to do some
hacks to upgrade to 4.3 before being able to run any tests.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/e3a0e5eccd50eb506846e3e8487a2d9124ef83e2.1754992972.git.mchehab+huawei@kernel.org
2 months agoscripts: sphinx-pre-install: add a warning for Debian-based distros
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:55 +0000 (17:52 +0200)] 
scripts: sphinx-pre-install: add a warning for Debian-based distros

On Some Debian-based distros, ImageMagick package has a broken
policy that causes LaTeX to fail while building docs.

Add a note about that.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/628d01784e8c24e3d93c69c436f12398e00165b3.1754992972.git.mchehab+huawei@kernel.org
2 months agoscripts: sphinx-pre-install: add support for RHEL8-based distros
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:54 +0000 (17:52 +0200)] 
scripts: sphinx-pre-install: add support for RHEL8-based distros

On RHEL8, only installing with a venv is supported, as there's
no Sphinx package using Python 3.7 or upper.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/bcdde20edab07be6bf447eac18eecdd88c7f947c.1754992972.git.mchehab+huawei@kernel.org
2 months agoscripts: sphinx-pre-install: update mandatory system deps
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:53 +0000 (17:52 +0200)] 
scripts: sphinx-pre-install: update mandatory system deps

To build docs, gcc is not needed. Also, Kernel can be built
nowadays with clang. So, drop it.

On the other hand, which is needed. Add a system dependency
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/4ec979e4692c9e4acd6c31424c0e2f4bf5b80e71.1754992972.git.mchehab+huawei@kernel.org
2 months agoscripts: sphinx-pre-install.pl: get rid of the old script
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:52 +0000 (17:52 +0200)] 
scripts: sphinx-pre-install.pl: get rid of the old script

All features were ported to the Python version. Plus, it
supports more variants and contain fixes.

So, drop the old version.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/6900872e6b89b7ff304e70f5d1c23cbb3c757d28.1754992972.git.mchehab+huawei@kernel.org
2 months agodocs: Makefile: switch to the new scripts/sphinx-pre-install.py
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:51 +0000 (17:52 +0200)] 
docs: Makefile: switch to the new scripts/sphinx-pre-install.py

Now that we have a better, improved Python script, use it when
checking for documentation build dependencies.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/79508fb071512c33e807f5411bbff1904751b5d3.1754992972.git.mchehab+huawei@kernel.org
2 months agoscripts: sphinx-pre-install: rework install command logic
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:50 +0000 (17:52 +0200)] 
scripts: sphinx-pre-install: rework install command logic

Cleanup the code to remove some redundancy and to let it be
clearer about the command install instructions.

Ensure that special instructions will be shown only once,
before the actual install command.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/a6120449d9cc14346e867d1ef8944ae28ddbf3f6.1754992972.git.mchehab+huawei@kernel.org
2 months agoscripts: sphinx-pre-install: fix several codingstyle issues
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:49 +0000 (17:52 +0200)] 
scripts: sphinx-pre-install: fix several codingstyle issues

Address most pylint issues.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/5139b18535e1436e4b1773706224a9ec3a386697.1754992972.git.mchehab+huawei@kernel.org
2 months agoscripts: sphinx-pre-install: add docstring documentation
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:48 +0000 (17:52 +0200)] 
scripts: sphinx-pre-install: add docstring documentation

This program is somewhat complex. Add some docstring documentation,
explaining what each function and class is supposed to do.

Most of the focus here were to describe the ancillary functions used
to detect dependency needs.

The main SphinxDependencyChecker still requires a lot of care,
and probably need to be reorganized to clearly split the 4 types
of output it produces:

- Need to upgrade Python binary;
- System install needs;
- Virtual env install needs;
- Python install needs via system packages, to run Sphinx
  natively.

Yet, for now, I'm happy of having it a lot better documented
than its Perl version.

-

While here, rename a parameter to have its usage better
documented.

No functional changes.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/0cadab2cab3f78ae6d9f378e92a45125fbc5188f.1754992972.git.mchehab+huawei@kernel.org
2 months agoscripts: sphinx-pre-install: add documentation for the ancillary classes.
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:47 +0000 (17:52 +0200)] 
scripts: sphinx-pre-install: add documentation for the ancillary classes.

While here, rename a parameter to have its usage better
documented.

No functional changes.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/7421112b14edf5c21cc4cf0f2ee320fcaf874b40.1754992972.git.mchehab+huawei@kernel.org
2 months agoscripts: sphinx-pre-install: move get_system_release()
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:46 +0000 (17:52 +0200)] 
scripts: sphinx-pre-install: move get_system_release()

The code at get_system_release() is actually a helper function,
independent from the actual Sphinx verification checker. Move
it to MissingCheckers class, where other checkers are present.

With that, the entire distro-specific handler logic, with
all its complexity is confined at SphinxDependencyChecker
class.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/4b42a85bbb6575bb34a58cf66019038c4afa1d5b.1754992972.git.mchehab+huawei@kernel.org
2 months agoscripts: sphinx-pre-install: add more generic checkers on a class
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:45 +0000 (17:52 +0200)] 
scripts: sphinx-pre-install: add more generic checkers on a class

Better organize the code by moving the more generic methods
to MissingCheckers. Such class contain only binary and package
dependent missing checkers, but no distro-specific data or code.

All distro-specific data/code remains at SphinxDependencyChecker
class.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/11a252fe816bd7c85583d26ade0666eb2b481bf0.1754992972.git.mchehab+huawei@kernel.org
2 months agoscripts: sphinx-pre-install: move ancillary checkers to a separate class
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:44 +0000 (17:52 +0200)] 
scripts: sphinx-pre-install: move ancillary checkers to a separate class

The code there are just a bunch of static functions that are used by
the main class. group them altogether to better organize 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/e2671eb14fae7a8510f5305ac44ad8063e237a5f.1754992972.git.mchehab+huawei@kernel.org
2 months agoscripts: sphinx-pre-install: move missing logic to a separate class
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:43 +0000 (17:52 +0200)] 
scripts: sphinx-pre-install: move missing logic to a separate class

Better manage dependencies by placing them on a distro-independent
class.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/f4f5bf276e07dc494f5dc83c4c2d087be7f790e6.1754992972.git.mchehab+huawei@kernel.org
2 months agoscripts: sphinx-pre-install: better handle RHEL-based distros
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:42 +0000 (17:52 +0200)] 
scripts: sphinx-pre-install: better handle RHEL-based distros

Better implement support for RHEL-based distros. While here,
get rid of a Fedora 28 support which cause troubles with
server distros. Also, get rid of yum, as RHEL8 already
suppords dnf, and this is not the minimal version we may
still support.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/4d1b27d3a381f011e150bb50176babba83af9e1a.1754992972.git.mchehab+huawei@kernel.org
2 months agoscripts: sphinx-pre-install: convert is_optional to a class
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:41 +0000 (17:52 +0200)] 
scripts: sphinx-pre-install: convert is_optional to a class

When is_optional was added in Perl, it was a boolean. With
time, it ended becoming a sort of enum, which makes the
module harder to maintain.

Convert it to a enum-like class and add more options to 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/42290a24f3b1dbea9ebe19747cf5622bb2f2cf5c.1754992972.git.mchehab+huawei@kernel.org
2 months agoscripts: sphinx-pre-install: better handle Python min version
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:40 +0000 (17:52 +0200)] 
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
2 months agoscripts: sphinx-pre-install: adjust a warning message
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:39 +0000 (17:52 +0200)] 
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
2 months agoscripts: sphinx-pre-install: move package instructions to a new func
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:38 +0000 (17:52 +0200)] 
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
2 months agoscripts: sphinx-pre-install: fix OpenMandriva support
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:37 +0000 (17:52 +0200)] 
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
2 months agoscripts: sphinx-pre-install: improve Gentoo package deps logic
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:36 +0000 (17:52 +0200)] 
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
2 months agoscripts: sphinx-pre-install: remove Scientific Linux
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:35 +0000 (17:52 +0200)] 
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
2 months agoscripts: sphinx-pre-install: fix rhel recomendations
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:34 +0000 (17:52 +0200)] 
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
2 months agoscripts: sphinx-pre-install: fix Leap support for rsvg-convert
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:33 +0000 (17:52 +0200)] 
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
2 months agoscripts: sphinx-pre-install: add a missing f-string marker
Mauro Carvalho Chehab [Tue, 12 Aug 2025 15:52:32 +0000 (17:52 +0200)] 
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