Commit dc314886 authored by Pavel Begunkov's avatar Pavel Begunkov Committed by Jens Axboe
Browse files

io_uring: break iopolling on signal 



Don't keep spinning iopoll with a signal set. It'll eventually return
back, e.g. by virtue of need_resched(), but it's not a nice user
experience.

Cc: stable@vger.kernel.org
Fixes: def596e9 ("io_uring: support for IO polling")
Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/eeba551e82cad12af30c3220125eb6cb244cc94c.1691594339.git.asml.silence@gmail.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 17619322

io_uring/io_uring.c

+3 −0
Original line number Diff line number Diff line
@@ -1673,6 +1673,9 @@ static int io_iopoll_check(struct io_ring_ctx *ctx, long min) 
			break;

		nr_events += ret;

		ret = 0;



		if (task_sigpending(current))

			return -EINTR;

	} while (nr_events < min && !need_resched());



	return ret;