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Merge tag 'for-linus-20190428' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"A set of io_uring fixes that should go into this release. In
particular, this contains:
- The mutex lock vs ctx ref count fix (me)
- Removal of a dead variable (me)
- Two race fixes (Stefan)
- Ring head/tail condition fix for poll full SQ detection (Stefan)"
* tag 'for-linus-20190428' of git://git.kernel.dk/linux-block:
io_uring: remove 'state' argument from io_{read,write} path
io_uring: fix poll full SQ detection
io_uring: fix race condition when sq threads goes sleeping
io_uring: fix race condition reading SQ entries
io_uring: fail io_uring_register(2) on a dying io_uring instance
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.