Re: [PATCH v14 04/12] cpuset: Add new v2 cpuset.sched.partition flag

From: Peter Zijlstra
Date: Tue Nov 06 2018 - 06:36:15 EST


On Mon, Oct 15, 2018 at 04:29:29PM -0400, Waiman Long wrote:
> + * Called with cpuset_mutex held.
> + */
> +static int update_parent_subparts_cpumask(struct cpuset *cpuset, int cmd,
> + struct cpumask *newmask,
> + struct tmpmasks *tmp)
> +{
> + struct cpuset *parent = parent_cs(cpuset);
> + int adding; /* Moving cpus from effective_cpus to subparts_cpus */
> + int deleting; /* Moving cpus from subparts_cpus to effective_cpus */
> +

I much prefer doing away with that "called with * held" comment crud and
add:

lockdep_assert_held(&cpuset_mutex);