On Tue, 8 Nov 2022 07:30:16 -0800, Dylan Yudaken wrote:
> io_cqring_wait (and it's wake function io_has_work) used cached_cq_tail in
> order to calculate the number of CQEs. cached_cq_tail is set strictly
> before the user visible rings->cq.tail
>
> However as far as userspace is concerned, if io_uring_enter(2) is called
> with a minimum number of events, they will verify by checking
> rings->cq.tail.
>
> [...]
Applied, thanks!
[1/1] io_uring: calculate CQEs from the user visible value
commit: 0fc8c2acbfc789a977a50a4a9812a8e4b37958ce
Best regards,
--
Jens Axboe
