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2c41fab1c6
Pull io_uring followup fixes from Jens Axboe: - The SIGSTOP change from Eric, so we properly ignore that for PF_IO_WORKER threads. - Disallow sending signals to PF_IO_WORKER threads in general, we're not interested in having them funnel back to the io_uring owning task. - Stable fix from Stefan, ensuring we properly break links for short send/sendmsg recv/recvmsg if MSG_WAITALL is set. - Catch and loop when needing to run task_work before a PF_IO_WORKER threads goes to sleep. * tag 'io_uring-5.12-2021-03-21' of git://git.kernel.dk/linux-block: io_uring: call req_set_fail_links() on short send[msg]()/recv[msg]() with MSG_WAITALL io-wq: ensure task is running before processing task_work signal: don't allow STOP on PF_IO_WORKER threads signal: don't allow sending any signals to PF_IO_WORKER threads
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.