Some recent upstream debugging uncovered the fact that in iwlwifi, the TXQ list manipulation is racy. Introduce a new state bit for when the TXQ is completely ready and can be used without locking, and if that's not set yet acquire the lock to check everything correctly. Reviewed-by: Benjamin Berg <benjamin.berg@intel.com> Tested-by: Jose Ignacio Tornos Martinez <jtornosm@redhat.com> Signed-off-by: Johannes Berg <johannes.berg@intel.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 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.
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