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Date: Wed, 11 May 2016 00:23:06 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: linux-kernel@vger.kernel.org, Pavan Kondeti <pkondeti@codeaurora.org>,
        Ben Segall <bsegall@google.com>,
        Matt Fleming <matt@codeblueprint.co.uk>,
        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>,
        Mike Galbraith <mgalbraith@suse.de>
Subject: Re: [PATCH 2/3] sched,fair: Fix local starvation
Message-ID: <20160510222306.GB3192@twins.programming.kicks-ass.net>
References: <20160510174314.355953085@infradead.org>
 <20160510174613.902178264@infradead.org>
 <20160510202139.GA30230@gmail.com>
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On Tue, May 10, 2016 at 10:21:39PM +0200, Ingo Molnar wrote:
> 
> * Peter Zijlstra <peterz@infradead.org> wrote:
> 
> > Mike reported that the recent commit 3a47d5124a95 ("sched/fair: Fix
> > fairness issue on migration") broke interactivity and the signal
> > starve test.
> 
> This looks pretty dangerous for v4.6 - how about simply reverting in 3a47d5124a95 
> and re-trying in v4.7?

Sure.