Re: [PATCH] sched/deadline: Use revised wakeup rule only for running dl_server
From: Juri Lelli
Date: Mon May 25 2026 - 02:19:57 EST
Hi!
On 22/05/26 14:58, Gabriele Monaco wrote:
> Commit 14a857056466 ("sched/deadline: Use revised wakeup rule for
> dl_server") applies the revised wakeup rule to any server, as a result
> servers that are not running (dl_defer_running == 0) and start with a
> deadline overflow get enqueued and can boost tasks as if they were
> running, invalidating the defer rule and the documented state model.
>
> Apply the revised wakeup rule only for deferrable servers that are
> marked as running.
>
> Fixes: 14a857056466 ("sched/deadline: Use revised wakeup rule for dl_server")
> Signed-off-by: Gabriele Monaco <gmonaco@xxxxxxxxxx>
> ---
Makes sense to me.
Acked-by: Juri Lelli <juri.lelli@xxxxxxxxxx>
Thanks,
Juri