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b18032bb0a
This normally doesn't cause any extra harm, but it does mean that we'll increment the eventfd notification count, if one has been registered with the ring. This can confuse applications, when they see more notifications on the eventfd side than are available in the ring. Do the nice thing and only increment this count, if we actually posted (or even overflowed) events. Reported-and-tested-by: Dan Melnic <dmm@fb.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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.