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(parent: fcc926b) | patch
io_uring: add reschedule point to handle_tw_list()
authorJens Axboe <axboe@kernel.dk>
Fri, 27 Jan 2023 16:50:31 +0000 (09:50 -0700)
committerJens Axboe <axboe@kernel.dk>
Sun, 29 Jan 2023 22:17:41 +0000 (15:17 -0700)
commitf58680085478dd292435727210122960d38e8014
tree0df3ac9140ae15f514a0d775484243c26b1ae098tree | snapshot
parentfcc926bb857949dbfa51a7d95f3f5ebc657f198ccommit | diff
io_uring: add reschedule point to handle_tw_list()

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>
io_uring/io_uring.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)