Re: [PATCH 1/2] io_uring/io-wq: do not allow pinning outside of cpuset

[Jens Axboe]

On 9/10/24 8:33 AM, Felix Moessbauer wrote:
> The io work queue polling threads are userland threads that just never
> exit to the userland. By that, they are also assigned to a cgroup (the
> group of the creating task).

They are not polling threads, they are just worker threads.

> When changing the affinity of the io_wq thread via syscall, we must only
> allow cpumasks within the ambient limits. These are defined by the cpuset
> controller of the cgroup (if enabled).

ambient limits? Not quite sure that's the correct term to use here.

Outside of commit message oddities, change looks good.

-- 
Jens Axboe