Re: [PATCH] sched/topology: Balance cluster static-key updates

From: Hui Su

Date: Wed Oct 21 2026 - 00:40:11 EST


> nit.
>
> This should be done only when sched_cluster_active is enabled to
> avoid the extra loop on systems that don't have any cluster domain.

Agreed. v2 guards the SD_CLUSTER scan with
static_branch_unlikely(&sched_cluster_active), so systems without cluster
domains skip the loop entirely.

Thanks for the review!

Hui