linux-kernel - Re: [PATCH 8/9] sched/fair: Optimize cgroup pick_next_task

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Message-ID: <20140122180635.GX13532@twins.programming.kicks-ass.net>
Date:	Wed, 22 Jan 2014 19:06:35 +0100
From:	Peter Zijlstra <peterz@...radead.org>
To:	bsegall@...gle.com
Cc:	linux-kernel@...r.kernel.org, mingo@...nel.org,
	daniel.lezcano@...aro.org, pjt@...gle.com
Subject: Re: [PATCH 8/9] sched/fair: Optimize cgroup pick_next_task_fair

On Tue, Jan 21, 2014 at 01:43:32PM -0800, bsegall@...gle.com wrote:
> prev can be NULL to start with, hrtick should be handled in both paths.
> How about this on top of your patch (equally untested) to fix those and
> the XXX? The double-check on nr_running is annoying, but necessary when
> prev slept.

Ah yes indeed. Let me build the lot and see if I can wreck it ;-)
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