[PATCH v2 1/8] sched: introduce for_each_process_rculock and for_each_thread_rculock

Oleg Nesterov oleg at redhat.com
Mon Sep 7 09:35:21 UTC 2026


On 09/07, Ye Liu wrote:
>
> Introduce for_each_process_rculock(), for_each_thread_rculock() and
> for_each_process_thread_rculock() macros that acquire the RCU read
> lock before the iteration starts and release it when the loop is left,
> so that the RCU read-side critical section is scoped to the loop body
> instead of an externally managed rcu_read_lock()/rcu_read_unlock()
> pair.
>
> Signed-off-by: Ye Liu <liuye at kylinos.cn>
> Acked-by: Michal Hocko <mhocko at suse.com>

Thanks, I personally like the new _rculock suffix more ;)

I see the comments about indentation from Lorenzo, I am fine either way.

Reviewed-by: Oleg Nesterov <oleg at redhat.com>




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