On 08/06/21 19:02, Will Deacon wrote: > If the scheduler cannot find an allowed CPU for a task, > cpuset_cpus_allowed_fallback() will widen the affinity to cpu_possible_mask > if cgroup v1 is in use. > > In preparation for allowing architectures to provide their own fallback > mask, just return early if we're either using cgroup v1 or we're using > cgroup v2 with a mask that contains invalid CPUs. This will allow > select_fallback_rq() to figure out the mask by itself. > > Cc: Tejun Heo <tj@xxxxxxxxxx> > Cc: Johannes Weiner <hannes@xxxxxxxxxxx> > Reviewed-by: Quentin Perret <qperret@xxxxxxxxxx> > Signed-off-by: Will Deacon <will@xxxxxxxxxx> Reviewed-by: Valentin Schneider <valentin.schneider@xxxxxxx>
