Re: [PATCH v9 08/20] cpuset: Cleanup cpuset_cpus_allowed_fallback() use in select_fallback_rq()

Valentin Schneider
2021-06-10T13:00:04Z

On 08/06/21 19:03, Will Deacon wrote:
> select_fallback_rq() only needs to recheck for an allowed CPU if the
> affinity mask of the task has changed since the last check.
>
> Return a 'bool' from cpuset_cpus_allowed_fallback() to indicate whether
> the affinity mask was updated, and use this to elide the allowed check
> when the mask has been left alone.
>
> No functional change.
>
> Suggested-by: Valentin Schneider <valentin.schneider@arm.com>
> Signed-off-by: Will Deacon <will@kernel.org>

Thanks!

Reviewed-by: Valentin Schneider <valentin.schneider@arm.com>