Commit 6324dce8 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

sched/smp: Use the SMP version of the deadline scheduling class 



Simplify the scheduler by making CONFIG_SMP=y code
in prio_changed_dl() unconditional.

Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
Acked-by: default avatarPeter Zijlstra <peterz@infradead.org>
Cc: Dietmar Eggemann <dietmar.eggemann@arm.com>
Cc: Juri Lelli <juri.lelli@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Shrikanth Hegde <sshegde@linux.ibm.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Valentin Schneider <vschneid@redhat.com>
Cc: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lore.kernel.org/r/20250528080924.2273858-30-mingo@kernel.org
parent 15125a22

kernel/sched/deadline.c

+0 −8
Original line number Diff line number Diff line
@@ -3005,7 +3005,6 @@ static void prio_changed_dl(struct rq *rq, struct task_struct *p, 
	if (!task_on_rq_queued(p))

		return;



#ifdef CONFIG_SMP

	/*

	 * This might be too much, but unfortunately

	 * we don't have the old deadline value, and
@@ -3034,13 +3033,6 @@ static void prio_changed_dl(struct rq *rq, struct task_struct *p, 
		    dl_time_before(p->dl.deadline, rq->curr->dl.deadline))

			resched_curr(rq);

	}

#else /* !CONFIG_SMP: */

	/*

	 * We don't know if p has a earlier or later deadline, so let's blindly

	 * set a (maybe not needed) rescheduling point.

	 */

	resched_curr(rq);

#endif /* !CONFIG_SMP */

}



#ifdef CONFIG_SCHED_CORE