Re: [PATCH] cgroup/cpuset: Skip security check for hotplug induced v1 task migration

[Tejun Heo]

On Fri, Mar 27, 2026 at 04:15:46PM -0400, Waiman Long wrote:
> +	/*
> +	 * Set to true if a kthread is moving tasks away from a v1 cpuset with
> +	 * no CPUs
> +	 */
> +	kthread_move_task_from_empty_cs = !cpuset_v2() &&
> +					  cpumask_empty(oldcs->effective_cpus) &&
> +					  (current->flags & PF_KTHREAD);

PF_KTHREAD test seems odd. Can't you pass this in as a flag from hotplug
handler?

Thanks.

-- 
tejun