Pavel Begunkov b2bd1cf99f io_uring: fix racy overflow count reporting
All ->cq_overflow modifications should be under completion_lock,
otherwise it can report a wrong number to the userspace. Fix it in
io_uring_cancel_files().

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-07-30 11:42:21 -06:00
2020-06-21 12:44:52 -07:00
2020-07-24 13:00:45 -06:00
2020-06-13 13:29:16 -07:00
2020-06-21 12:44:52 -07:00
2020-06-21 12:44:52 -07:00
2020-06-21 12:44:52 -07:00
2020-06-21 15:41:24 -07:00
2020-06-12 11:05:52 -07:00
2020-06-21 15:45:29 -07:00

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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