From: Peter Zijlstra <peterz@infradead.org>
To: Tejun Heo <tj@kernel.org>
Cc: mingo@kernel.org, juri.lelli@redhat.com,
vincent.guittot@linaro.org, dietmar.eggemann@arm.com,
rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de,
vschneid@redhat.com, void@manifault.com,
linux-kernel@vger.kernel.org
Subject: Re: [RFC][PATCH 2/6] sched: Employ sched_change guards
Date: Wed, 30 Oct 2024 22:11:04 +0100 [thread overview]
Message-ID: <20241030211104.GT9767@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <ZyKgpI3YMTfzhgFK@slm.duckdns.org>
On Wed, Oct 30, 2024 at 11:09:56AM -1000, Tejun Heo wrote:
> On Wed, Oct 30, 2024 at 10:58:40AM -1000, Tejun Heo wrote:
> > On Wed, Oct 30, 2024 at 04:12:57PM +0100, Peter Zijlstra wrote:
> > --- a/kernel/sched/ext.c
> > +++ b/kernel/sched/ext.c
> > @@ -4496,6 +4496,8 @@ static void scx_ops_disable_workfn(struc
> > const struct sched_class *new_class =
> > __setscheduler_class(p->policy, p->prio);
> >
> > + update_rq_clock(task_rq(p));
> > +
>
> Oh, this probably should be paired with DEQUEUE_NOCLOCK.
Yeah, it is like that at the end of the series. I'll shuffle things
around and make it so earlier.
Thanks!
next prev parent reply other threads:[~2024-10-30 21:11 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-30 15:12 [RFC][PATCH 0/6] clean up class switching Peter Zijlstra
2024-10-30 15:12 ` [PATCH 1/6] sched/ext: Fix scx vs sched_delayed Peter Zijlstra
2024-10-30 15:50 ` Christian Loehle
2024-10-30 15:54 ` Peter Zijlstra
2024-10-30 17:17 ` Christian Loehle
2024-10-30 20:19 ` Tejun Heo
2024-10-30 15:12 ` [RFC][PATCH 2/6] sched: Employ sched_change guards Peter Zijlstra
2024-10-30 20:58 ` Tejun Heo
2024-10-30 21:09 ` Tejun Heo
2024-10-30 21:11 ` Peter Zijlstra [this message]
2024-10-30 15:12 ` [RFC][PATCH 3/6] sched: Re-arrange the {EN,DE}QUEUE flags Peter Zijlstra
2024-10-30 15:12 ` [RFC][PATCH 4/6] sched: Fold sched_class::switch{ing,ed}_{to,from}() into the change pattern Peter Zijlstra
2024-10-30 21:12 ` Tejun Heo
2024-10-30 21:15 ` Peter Zijlstra
2024-10-30 21:29 ` Tejun Heo
2024-10-30 21:37 ` Peter Zijlstra
2024-10-30 21:39 ` Tejun Heo
2024-10-30 15:13 ` [RFC][PATCH 5/6] sched: Add flags to the switch{ing,ed}_{to,from}() methods Peter Zijlstra
2024-10-30 15:13 ` [RFC][PATCH 6/6] sched: Cleanup sched_delayed handling for class switches Peter Zijlstra
2024-10-30 15:45 ` Peter Zijlstra
2024-10-30 21:27 ` Tejun Heo
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