From: Peter Zijlstra <peterz@infradead.org>
To: bsegall@google.com
Cc: linux-kernel@vger.kernel.org, mingo@kernel.org,
daniel.lezcano@linaro.org, pjt@google.com
Subject: Re: [PATCH 8/9] sched/fair: Optimize cgroup pick_next_task_fair
Date: Wed, 22 Jan 2014 19:06:35 +0100 [thread overview]
Message-ID: <20140122180635.GX13532@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <xm26wqhtj9iz.fsf@sword-of-the-dawn.mtv.corp.google.com>
On Tue, Jan 21, 2014 at 01:43:32PM -0800, bsegall@google.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 ;-)
next prev parent reply other threads:[~2014-01-22 18:06 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-21 11:17 [PATCH 0/9] Various sched patches Peter Zijlstra
2014-01-21 11:17 ` [PATCH 1/9] sched: Remove cpu parameter for idle_balance() Peter Zijlstra
2014-01-21 11:17 ` [PATCH 2/9] sched: Fix race in idle_balance() Peter Zijlstra
2014-01-21 11:17 ` [PATCH 3/9] sched: Move idle_stamp up to the core Peter Zijlstra
2014-01-23 12:58 ` Peter Zijlstra
2014-01-23 14:39 ` Daniel Lezcano
2014-01-23 15:23 ` Peter Zijlstra
2014-01-21 11:17 ` [PATCH 4/9] sched: Clean up idle task SMP logic Peter Zijlstra
2014-01-21 17:27 ` Vincent Guittot
2014-01-23 11:37 ` Peter Zijlstra
2014-01-23 14:52 ` Vincent Guittot
2014-01-21 11:17 ` [PATCH 5/9] sched/fair: Track cgroup depth Peter Zijlstra
2014-01-21 11:18 ` [PATCH 6/9] sched: Push put_prev_task() into pick_next_task() Peter Zijlstra
2014-01-21 21:46 ` bsegall
2014-01-21 11:18 ` [PATCH 7/9] sched/fair: Clean up __clear_buddies_* Peter Zijlstra
2014-01-21 11:18 ` [PATCH 8/9] sched/fair: Optimize cgroup pick_next_task_fair Peter Zijlstra
2014-01-21 19:24 ` bsegall
2014-01-21 19:37 ` Peter Zijlstra
2014-01-21 20:03 ` bsegall
2014-01-21 20:43 ` Peter Zijlstra
2014-01-21 21:43 ` bsegall
2014-01-22 18:06 ` Peter Zijlstra [this message]
2014-01-21 11:18 ` [PATCH 9/9] sched: Use idle task shortcut Peter Zijlstra
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