This reverts commit d6a499249543356002a1efbb26254c7272e62f4c. Control messages are needed in contexts when memory allocations are restricted, such as handling device resets and runtime PM. For this reason the control message API internally uses GFP_NOIO. This is a band aid introduced because when we recognized the issue, the call chains were highly convoluted. Continuing this trend is not a good idea. So I am shooting the whole kennel here. Signed-off-by: Oliver Neukum <oneukum@suse.com> Link: https://lore.kernel.org/r/20200923134348.23862-2-oneukum@suse.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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 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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