io_uring: add reschedule point to handle_tw_list()

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Commit f586800854 upstream.

If CONFIG_PREEMPT_NONE is set and the task_work chains are long, we
could be running into issues blocking others for too long. Add a
reschedule check in handle_tw_list(), and flush the ctx if we need to
reschedule.

Cc: stable@vger.kernel.org # 5.10+
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Jens Axboe 2023-07-17 10:27:20 -06:00 • committed by Greg Kroah-Hartman

parent f8307d862c

commit d9e1cfae8d

1 changed files with 5 additions and 2 deletions

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io_uring/io_uring.c

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