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e6e7f7ac03
A different CPU may be setting the ctrl->state value, so ensure proper barriers to prevent optimizing to a stale state. Normally it isn't a problem to observe the wrong state as it is merely advisory to take a quicker path during initialization and error recovery, but seeing an old state can report unexpected ENETRESET errors when a reset request was in fact successful. Reported-by: Minh Hoang <mh2022@meta.com> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Keith Busch <kbusch@kernel.org> Signed-off-by: Hannes Reinecke <hare@suse.de>
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 Restructured Text 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.