tree 56db10d69c2172010bcd2ee721b35df44f0f4b68
parent d3fddf6dddd84432161eb070ed8e34d14c8bf56a
author Pavel Begunkov <asml.silence@gmail.com> 1628510657 +0100
committer Jens Axboe <axboe@kernel.dk> 1629745679 -0600

io_uring: improve ctx hang handling

If io_ring_exit_work() can't get it done in 5 minutes, something is
going very wrong, don't keep spinning at HZ / 20 rate, it doesn't help
and it may take much of CPU time if there is a lot of workers stuck as
such.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/9e2d1ca81d569f6bc628af1a42ff6663bff7ce9c.1628471125.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>