linux-kernel - Re: [PATCH 2/2] sched/hotplug: Ensure only per-cpu kthreads run during hotplug

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Message-ID: <20200916135817.3djsqmziqvzo6hmq@flow>
Date:   Wed, 16 Sep 2020 15:58:17 +0200
From:   Sebastian Andrzej Siewior <sebastian@...akpoint.cc>
To:     peterz@...radead.org
Cc:     mingo@...nel.org, vincent.guittot@...aro.org, tglx@...utronix.de,
        linux-kernel@...r.kernel.org, dietmar.eggemann@....com,
        rostedt@...dmis.org, bristot@...hat.com, swood@...hat.com,
        valentin.schneider@....com
Subject: Re: [PATCH 2/2] sched/hotplug: Ensure only per-cpu kthreads run
 during hotplug

On 2020-09-16 14:10:20 [+0200], peterz@...radead.org wrote:

squeeze that in please:

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index a4fe22b8b8418..bed3cd28af578 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -6866,7 +6866,7 @@ static int __balance_push_cpu_stop(void *arg)
 	raw_spin_lock_irq(&p->pi_lock);
 	rq_lock(rq, &rf);
 
-	update_rq_clock();
+	update_rq_clock(rq);
 
 	if (task_rq(p) == rq && task_on_rq_queued(p)) {
 		cpu = select_fallback_rq(rq->cpu, p);


and count me in :)

Sebastian