diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2024-11-05 02:12:33 +0000 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-11-06 13:55:38 -0700 |
| commit | af0a2ffef0e6d23412dd55df29f5caef8f3583f2 (patch) | |
| tree | 00da8ceb3b02a5ef6b89356a100fa7c2acdc1e52 /io_uring/io_uring.h | |
| parent | 6bf90bd8c58a305994948eb3409d91a7d8f2edae (diff) | |
io_uring: avoid normal tw intermediate fallback
When a DEFER_TASKRUN io_uring is terminating it requeues deferred task
work items as normal tw, which can further fallback to kthread
execution. Avoid this extra step and always push them to the fallback
kthread.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/d1cd472cec2230c66bd1c8d412a5833f0af75384.1730772720.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/io_uring.h')
| -rw-r--r-- | io_uring/io_uring.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/io_uring/io_uring.h b/io_uring/io_uring.h index 702c8e987430..4070d4c8ef97 100644 --- a/io_uring/io_uring.h +++ b/io_uring/io_uring.h @@ -136,7 +136,7 @@ static inline void io_lockdep_assert_cq_locked(struct io_ring_ctx *ctx) * Not from an SQE, as those cannot be submitted, but via * updating tagged resources. */ - if (ctx->submitter_task->flags & PF_EXITING) + if (percpu_ref_is_dying(&ctx->refs)) lockdep_assert(current_work()); else lockdep_assert(current == ctx->submitter_task); |