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4fde839846
Avoid exceptions when xsk attr is not present, and add a proper ksft helper for "not in" condition. Acked-by: Stanislav Fomichev <sdf@fomichev.me> Reviewed-by: Joe Damato <jdamato@fastly.com> Tested-by: Kurt Kanzenbach <kurt@linutronix.de> Tested-by: Joe Damato <jdamato@fastly.com> Link: https://patch.msgid.link/20250219234956.520599-7-kuba@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.