Linus Torvalds 4333a9b0b6 io_uring-5.8-2020-06-19
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Merge tag 'io_uring-5.8-2020-06-19' of git://git.kernel.dk/linux-block

Pull io_uring fixes from Jens Axboe:

 - Catch a case where io_sq_thread() didn't do proper mm acquire

 - Ensure poll completions are reaped on shutdown

 - Async cancelation and run fixes (Pavel)

 - io-poll race fixes (Xiaoguang)

 - Request cleanup race fix (Xiaoguang)

* tag 'io_uring-5.8-2020-06-19' of git://git.kernel.dk/linux-block:
  io_uring: fix possible race condition against REQ_F_NEED_CLEANUP
  io_uring: reap poll completions while waiting for refs to drop on exit
  io_uring: acquire 'mm' for task_work for SQPOLL
  io_uring: add memory barrier to synchronize io_kiocb's result and iopoll_completed
  io_uring: don't fail links for EAGAIN error in IOPOLL mode
  io_uring: cancel by ->task not pid
  io_uring: lazy get task
  io_uring: batch cancel in io_uring_cancel_files()
  io_uring: cancel all task's requests on exit
  io-wq: add an option to cancel all matched reqs
  io-wq: reorder cancellation pending -> running
  io_uring: fix lazy work init
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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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