diff mbox series

[RFC,v2,07/13] io_uring: simplify io_has_work

Message ID 8a275bf82c72132862aba3f268718555caa81a53.1672713341.git.asml.silence@gmail.com (mailing list archive)
State New
Headers show
Series CQ waiting and wake up optimisations | expand

Commit Message

Pavel Begunkov Jan. 3, 2023, 3:03 a.m. UTC 
->work_llist should never be non-empty for a non DEFER_TASKRUN ring, so
we can safely skip checking the flag.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
---
 io_uring/io_uring.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
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Patch

diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index fc9604848bbb..a8d3826f3d17 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -2416,8 +2416,7 @@  struct io_wait_queue {
 static inline bool io_has_work(struct io_ring_ctx *ctx)
 {
 	return test_bit(IO_CHECK_CQ_OVERFLOW_BIT, &ctx->check_cq) ||
-	       ((ctx->flags & IORING_SETUP_DEFER_TASKRUN) &&
-		!llist_empty(&ctx->work_llist));
+	       !llist_empty(&ctx->work_llist);
 }
 
 static inline bool io_should_wake(struct io_wait_queue *iowq)