diff mbox series

[1/9] io_uring/msg_ring: tighten requirement for remote posting

Message ID 20240605141933.11975-2-axboe@kernel.dk (mailing list archive)
State New
Headers show
Series Improve MSG_RING DEFER_TASKRUN performance | expand

Commit Message

Jens Axboe June 5, 2024, 1:51 p.m. UTC 
Currently this is gated on whether or not the target ring needs a local
completion - and if so, whether or not we're running on the right task.
The use case for same thread cross posting is probably a lot less
relevant than remote posting. And since we're going to improve this
situation anyway, just gate it on local posting and ignore what task
we're currently running on.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 io_uring/msg_ring.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/io_uring/msg_ring.c b/io_uring/msg_ring.c
index 81c4a9d43729..9fdb0cc19bfd 100644
--- a/io_uring/msg_ring.c
+++ b/io_uring/msg_ring.c
@@ -68,9 +68,7 @@  void io_msg_ring_cleanup(struct io_kiocb *req)
 
 static inline bool io_msg_need_remote(struct io_ring_ctx *target_ctx)
 {
-	if (!target_ctx->task_complete)
-		return false;
-	return current != target_ctx->submitter_task;
+	return target_ctx->task_complete;
 }
 
 static int io_msg_exec_remote(struct io_kiocb *req, task_work_func_t func)