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

Waiman Long
2022-06-13T03:04:26Z

On 6/12/22 22:55, Tejun Heo wrote:
> 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.

I will perform further check to see if this check is necessary.

Thanks,
Longman