On Thu, 6 Oct 2022 02:06:10 +0100, Pavel Begunkov wrote:
> io_cqring_wake() needs a barrier for the waitqueue_active() check.
> However, in case of io_req_local_work_add() prior it calls llist_add(),
> which implies an atomic, and with that we can replace smb_mb() with
> smp_mb__after_atomic().
>
>
Applied, thanks!
[1/1] io_uring: optimise mb() in io_req_local_work_add
commit: b4f5d4f4e12def53462ea7f35dafa132f2d54156
Best regards,
--
Jens Axboe
