Re: [PATCH] sched/deadline: Fix server stopping with runnable tasks

[Gabriele Monaco <gmonaco@redhat.com>]

On Tue, 2026-01-13 at 10:37 +0100, Peter Zijlstra wrote:
> >  static void update_curr_dl_se(struct rq *rq, struct sched_dl_entity *dl_se,
> > s64 delta_exec)
> >  {
> > -	bool idle = rq->curr == rq->idle;
> > +	bool idle = rq->curr == rq->idle && !rq->nr_running && !rq-
> > >ttwu_pending;
> 
> This is idle_cpu(), perhaps we can lift that thing into sched.h or so.
> 

Yeah, that's what I meant by quick and dirty.. I have idle_cpu() on the model
side (and have them matching simplifies a lot of things).

I just wasn't sure if we wanted a function call in there. But we can probably do
something nicer without it too.

Thanks,
Gabriele