Re: [PATCH v3 3/9] cgroup/cpuset: Fix violation of cpuset locking rule

From: Tejun Heo
Date: Mon Jul 26 2021 - 19:10:22 EST


On Tue, Jul 20, 2021 at 10:18:28AM -0400, Waiman Long wrote:
> The cpuset fields that manage partition root state do not strictly
> follow the cpuset locking rule that update to cpuset has to be done
> with both the callback_lock and cpuset_mutex held. This is now fixed
> by making sure that the locking rule is upheld.
>
> Fixes: 3881b86128d0 ("cpuset: Add an error state to cpuset.sched.partition")
> Fixes: 4b842da276a8 ("cpuset: Make CPU hotplug work with partition)
> Signed-off-by: Waiman Long <longman@xxxxxxxxxx>

Applied to cgroup/for-5.15.

Thanks.

--
tejun