Re: [PATCH 20/33] timers/migration: Remove superfluous cpuset isolation test

[Waiman Long]

On 12/24/25 8:45 AM, Frederic Weisbecker wrote:
> Cpuset isolated partitions are now included in HK_TYPE_DOMAIN. Testing
> if a CPU is part of an isolated partition alone is now useless.
>
> Remove the superflous test.
>
> Signed-off-by: Frederic Weisbecker <frederic@xxxxxxxxxx>
> ---
>   kernel/time/timer_migration.c | 5 ++---
>   1 file changed, 2 insertions(+), 3 deletions(-)
>
> diff --git a/kernel/time/timer_migration.c b/kernel/time/timer_migration.c
> index 3879575a4975..6da9cd562b20 100644
> --- a/kernel/time/timer_migration.c
> +++ b/kernel/time/timer_migration.c
> @@ -466,9 +466,8 @@ static inline bool tmigr_is_isolated(int cpu)
>   {
>   	if (!static_branch_unlikely(&tmigr_exclude_isolated))
>   		return false;
> -	return (!housekeeping_cpu(cpu, HK_TYPE_DOMAIN) ||
> -		cpuset_cpu_is_isolated(cpu)) &&
> -	       housekeeping_cpu(cpu, HK_TYPE_KERNEL_NOISE);
> +	return (!housekeeping_cpu(cpu, HK_TYPE_DOMAIN) &&
> +		housekeeping_cpu(cpu, HK_TYPE_KERNEL_NOISE));
>   }
>   
>   /*
Reviewed-by: Waiman Long <longman@xxxxxxxxxx>