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4333a9b0b6
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
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.