On Mon, 16 Sep 2024 15:17:56 -0400, Olivier Langlois wrote:
> there are many small reasons justifying this change.
>
> 1. busy poll must be performed even on rings that have no iopoll and no
> new sqe. It is quite possible that a ring configured for inbound
> traffic with multishot be several hours without receiving new request
> submissions
> 2. NAPI busy poll does not perform any credential validation
> 3. If the thread is awaken by task work, processing the task work is
> prioritary over NAPI busy loop. This is why a second loop has been
> created after the io_sq_tw() call instead of doing the busy loop in
> __io_sq_thread() outside its credential acquisition block.
>
> [...]
Applied, thanks!
[1/1] io_uring: do the sqpoll napi busy poll outside the submission block
commit: 53d69bdd5b19bb17602cb224e01aeed730ff3289
Best regards,
--
Jens Axboe
