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5a43dc9f4e
Every time the bus manager runs, the cached configuration ROM content of the IRM device is investigated to detect device-specific quirks. This detection can be performed in advance when reading the configuration ROM. This commit adds device quirk flags to the fw_device structure, and initializes them after reading the bus information block of the configuration ROM. The quirk flags are immutable once the configuration ROM has been read. Although they are likely accessed concurrently only by the bus manager, this commit ensures safe access by preventing torn writes and reads using the WRITE_ONCE()/READ_ONCE() macros. Link: https://lore.kernel.org/r/20251013140311.97159-2-o-takashi@sakamocchi.jp Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> |
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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.