Re: [PATCH v3 1/1] io_uring/sqpoll: inherit cpumask of creating process

On Sat, 07 Sep 2024 12:02:04 +0200, Felix Moessbauer wrote:

The submit queue polling threads are userland threads that just never exit to the userland. In case the creating 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: b7ed6d8ffd627a3de8b0e336996d0247a6535608

Best regards,