On Fri, 06 Sep 2024 15:44:33 +0200, Felix Moessbauer wrote:
> The submit queue polling threads are "kernel" threads that are started
> from the userland. In case the userland task is part of a cgroup with
> the cpuset controller enabled, the poller should also stay within that
> cpuset. This also holds, as the poller belongs to the same cgroup as
> the task that started it.
>
> With the current implementation, a process can "break out" of the
> defined cpuset by creating sq pollers consuming CPU time on other CPUs,
> which is especially problematic for realtime applications.
>
> [...]
Applied, thanks!
[1/1] io_uring/sqpoll: inherit cpumask of creating process
commit: d369fdf0908a8a026a8a4b8729d2a193b75fd2d6
Best regards,
--
Jens Axboe
