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e322a48448
In certain scenarios, it is possible for multiple cache flushes to be requested before the previous one completes. This patch introduces the cache_flush_lock mutex to serialize these operations and ensure that any requested cache flushes are completed instead of dropped. Reviewed-by: Liviu Dudau <liviu.dudau@arm.com> Co-developed-by: Dennis Tsiang <dennis.tsiang@arm.com> Signed-off-by: Dennis Tsiang <dennis.tsiang@arm.com> Signed-off-by: Karunika Choo <karunika.choo@arm.com> Reviewed-by: Steven Price <steven.price@arm.com> Signed-off-by: Steven Price <steven.price@arm.com> Link: https://lore.kernel.org/r/20250807162633.3666310-6-karunika.choo@arm.com
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.