Commit 670d9d3d authored by Jens Axboe's avatar Jens Axboe
Browse files

io_uring: remove next io_kiocb fetch in task_work running 



We just reversed the task_work list and that will have touched requests
as well, just get rid of this optimization as it should not make a
difference anymore.

Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 170539bd

io_uring/io_uring.c

+0 −3
Original line number Diff line number Diff line
@@ -1184,8 +1184,6 @@ static unsigned int handle_tw_list(struct llist_node *node, 
		struct io_kiocb *req = container_of(node, struct io_kiocb,

						    io_task_work.node);



		prefetch(container_of(next, struct io_kiocb, io_task_work.node));



		if (req->ctx != *ctx) {

			ctx_flush_and_put(*ctx, ts);

			*ctx = req->ctx;
@@ -1408,7 +1406,6 @@ static int __io_run_local_work(struct io_ring_ctx *ctx, struct io_tw_state *ts) 
		struct llist_node *next = node->next;

		struct io_kiocb *req = container_of(node, struct io_kiocb,

						    io_task_work.node);

		prefetch(container_of(next, struct io_kiocb, io_task_work.node));

		INDIRECT_CALL_2(req->io_task_work.func,

				io_poll_task_func, io_req_rw_complete,

				req, ts);