From: Matt Fleming <matt@codeblueprint.co.uk>
To: Peter Zijlstra <peterz@infradead.org>
Cc: mingo@kernel.org, linux-kernel@vger.kernel.org,
Pavan Kondeti <pkondeti@codeaurora.org>,
Ben Segall <bsegall@google.com>,
Mike Galbraith <umgwanakikbuti@gmail.com>,
Morten Rasmussen <morten.rasmussen@arm.com>,
Paul Turner <pjt@google.com>,
Thomas Gleixner <tglx@linutronix.de>,
byungchul.park@lge.com, Andrew Hunter <ahh@google.com>
Subject: Re: [PATCH 0/3] sched: Fix wakeup preemption regression
Date: Thu, 12 May 2016 11:52:35 +0100 [thread overview]
Message-ID: <20160512105235.GC2728@codeblueprint.co.uk> (raw)
In-Reply-To: <20160510174314.355953085@infradead.org>
On Tue, 10 May, at 07:43:14PM, Peter Zijlstra wrote:
> A recent commit caused an interactivity/starvation issue because we wrecked rq
> local wakeup preemption.
>
> These patches rectify this while also (hopefully) keeping the problem that led
> to the fault patch fixed.
>
> Mike, Pavan, could you guys please confirm?
FWIW, I took a quick look over these patches and they made sense to
me. (I appreciate the comment block above enqueue_entity())
prev parent reply other threads:[~2016-05-12 10:52 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-10 17:43 [PATCH 0/3] sched: Fix wakeup preemption regression Peter Zijlstra
2016-05-10 17:43 ` [PATCH 1/3] sched,fair: Move record_wakee() Peter Zijlstra
2016-05-12 10:27 ` Matt Fleming
2016-05-12 10:31 ` Peter Zijlstra
2016-05-10 17:43 ` [PATCH 2/3] sched,fair: Fix local starvation Peter Zijlstra
2016-05-10 20:21 ` Ingo Molnar
2016-05-10 22:23 ` Peter Zijlstra
2016-05-20 21:24 ` Matt Fleming
2016-05-21 14:04 ` Mike Galbraith
2016-05-21 19:00 ` Mike Galbraith
2016-05-22 7:00 ` [patch] sched/fair: Move se->vruntime normalization state into struct sched_entity Mike Galbraith
2016-05-22 9:36 ` Peter Zijlstra
2016-05-22 9:52 ` Mike Galbraith
2016-05-22 10:33 ` Peter Zijlstra
2016-05-23 9:19 ` Peter Zijlstra
2016-05-23 9:40 ` Mike Galbraith
2016-05-23 10:13 ` Wanpeng Li
2016-05-23 10:26 ` Mike Galbraith
2016-05-23 12:28 ` Peter Zijlstra
2016-05-25 7:12 ` [tip:sched/urgent] sched/core: Fix remote wakeups tip-bot for Peter Zijlstra
2016-05-22 6:50 ` [PATCH 2/3] sched,fair: Fix local starvation Wanpeng Li
2016-05-22 7:15 ` Mike Galbraith
2016-05-22 7:27 ` Wanpeng Li
2016-05-22 7:32 ` Mike Galbraith
2016-05-22 7:42 ` Wanpeng Li
2016-05-22 8:04 ` Mike Galbraith
2016-05-22 8:24 ` Wanpeng Li
2016-05-22 8:39 ` Mike Galbraith
2016-05-22 8:50 ` Wanpeng Li
2016-05-10 17:43 ` [PATCH 3/3] sched: Kill sched_class::task_waking Peter Zijlstra
2016-05-11 5:55 ` [PATCH 0/3] sched: Fix wakeup preemption regression Mike Galbraith
2016-05-12 9:56 ` Pavan Kondeti
2016-05-12 10:52 ` Matt Fleming [this message]
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