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10d32b0ddc
It is better to use the 'is' keyword instead of comparing to None according to Ruff. This is linked to Ruff error E711 [1]: According to PEP 8, "Comparisons to singletons like None should always be done with is or is not, never the equality operators." Link: https://docs.astral.sh/ruff/rules/none-comparison/ [1] Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org> Reviewed-by: Donald Hunter <donald.hunter@gmail.com> Reviewed-by: Asbjørn Sloth Tønnesen <ast@fiberby.net> Link: https://patch.msgid.link/20250909-net-next-ynl-ruff-v1-7-238c2bccdd99@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.