From: Jens Axboe Date: Sat, 17 Dec 2022 20:40:17 +0000 (-0700) Subject: io_uring: don't use TIF_NOTIFY_SIGNAL to test for availability of task_work X-Git-Tag: v6.6.7~3656^2~25 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6434ec0186b80c734aa7a2acf95f75f5c6dd943b;p=platform%2Fkernel%2Flinux-starfive.git io_uring: don't use TIF_NOTIFY_SIGNAL to test for availability of task_work Use task_work_pending() as a better test for whether we have task_work or not, TIF_NOTIFY_SIGNAL is only valid if the any of the task_work items had been queued with TWA_SIGNAL as the notification mechanism. Hence task_work_pending() is a more reliable check. Signed-off-by: Jens Axboe --- diff --git a/io_uring/io_uring.h b/io_uring/io_uring.h index c117e02..e9f0d41 100644 --- a/io_uring/io_uring.h +++ b/io_uring/io_uring.h @@ -266,8 +266,7 @@ static inline int io_run_task_work(void) static inline bool io_task_work_pending(struct io_ring_ctx *ctx) { - return test_thread_flag(TIF_NOTIFY_SIGNAL) || - !wq_list_empty(&ctx->work_llist); + return task_work_pending(current) || !wq_list_empty(&ctx->work_llist); } static inline int io_run_task_work_ctx(struct io_ring_ctx *ctx)