Commit 047b6aef authored by Pavel Begunkov's avatar Pavel Begunkov Committed by Jens Axboe
Browse files

io_uring: remove ctx variable in io_poll_check_events 



ctx is only used by io_poll_check_events() for multishot poll CQE
posting, don't save it on stack in advance.

Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/552c1771f8a0e7688afdb4f538ead245f53e80e7.1669821213.git.asml.silence@gmail.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 9805fa2d

io_uring/poll.c

+1 −2
Original line number Diff line number Diff line
@@ -237,7 +237,6 @@ enum { 
 */

static int io_poll_check_events(struct io_kiocb *req, bool *locked)

{

	struct io_ring_ctx *ctx = req->ctx;

	int v, ret;



	/* req->task == current here, checking PF_EXITING is safe */
@@ -289,7 +288,7 @@ static int io_poll_check_events(struct io_kiocb *req, bool *locked) 
			__poll_t mask = mangle_poll(req->cqe.res &

						    req->apoll_events);



			if (!io_aux_cqe(ctx, *locked, req->cqe.user_data,

			if (!io_aux_cqe(req->ctx, *locked, req->cqe.user_data,

					mask, IORING_CQE_F_MORE, false)) {

				io_req_set_res(req, mask, 0);

				return IOU_POLL_REMOVE_POLL_USE_RES;