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1afe33a788
This reverts commit d6a4992495.
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.