Re: [PATCH v11 3/8] cgroup/cpuset: Allow no-task partition to have empty cpuset.cpus.effective

Tejun Heo
2022-06-13T02:55:19Z

On Sun, Jun 12, 2022 at 10:53:53PM -0400, Waiman Long wrote:
> Without this patch, cpus.effective will never be empty. It just falls back
> to its parent if it becomes empty. Now with an empty cpus.effective, I am

Yeah, that part is fine.

> afraid that if a task is somehow moved to such a cpuset, something bad may
> happen. So I add this check as a safeguard.

But how would that happen? A lot of other things would break too if that
were to happen.

Thanks.

--
tejun