Re: [PATCH] srcu: Queue sdp->work when the delay timer is successfully deleted

[Breno Leitao]

On Mon, Aug 03, 2026 at 11:40:14PM +0000, Zqiang wrote:
> diff --git a/kernel/rcu/srcutree.c b/kernel/rcu/srcutree.c
> index b9fe57ff9100..d13c12f61150 100644
> --- a/kernel/rcu/srcutree.c
> +++ b/kernel/rcu/srcutree.c
> @@ -751,8 +751,9 @@ void cleanup_srcu_struct(struct srcu_struct *ssp)
> 
>                 // Call srcu_barrier() before this cleanup_srcu_struct()
>                 // to avoid triggering this WARN_ON().
> -               if (WARN_ON(timer_delete_sync(&sdp->delay_work)) &&
> -                                       rcu_cpu_beenfullyonline(sdp->cpu))
> +               if (WARN_ON(timer_delete_sync(&sdp->delay_work) &&
> +                       rcu_segcblist_n_cbs(&sdp->srcu_cblist)) &&
> +                               rcu_cpu_beenfullyonline(sdp->cpu))

Isn't the WARN_ON() the same? thus it will hit again?