From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753330Ab2FMMua (ORCPT ); Wed, 13 Jun 2012 08:50:30 -0400 Received: from merlin.infradead.org ([205.233.59.134]:38438 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750987Ab2FMMu2 convert rfc822-to-8bit (ORCPT ); Wed, 13 Jun 2012 08:50:28 -0400 Message-ID: <1339591819.8980.28.camel@twins> Subject: Re: [RFC 4/4] sched: cpu_power: enable ARCH_POWER From: Peter Zijlstra To: Vincent Guittot Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linaro-dev@lists.linaro.org, devicetree-discuss@lists.ozlabs.org, linux@arm.linux.org.uk, grant.likely@secretlab.ca, rob.herring@calxeda.com Date: Wed, 13 Jun 2012 14:50:19 +0200 In-Reply-To: <1339502524-10265-5-git-send-email-vincent.guittot@linaro.org> References: <1339502524-10265-1-git-send-email-vincent.guittot@linaro.org> <1339502524-10265-5-git-send-email-vincent.guittot@linaro.org> Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT X-Mailer: Evolution 3.2.2- Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2012-06-12 at 14:02 +0200, Vincent Guittot wrote: > Heteregeneous ARM platform uses arch_scale_freq_power function > to reflect the relative capacity of each core I think I've pointed out before that this breaks x86.. you need a patch killing at that stuff before this. > Signed-off-by: Vincent Guittot > --- > kernel/sched/features.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/kernel/sched/features.h b/kernel/sched/features.h > index de00a48..d98ae90 100644 > --- a/kernel/sched/features.h > +++ b/kernel/sched/features.h > @@ -42,7 +42,7 @@ SCHED_FEAT(CACHE_HOT_BUDDY, true) > /* > * Use arch dependent cpu power functions > */ > -SCHED_FEAT(ARCH_POWER, false) > +SCHED_FEAT(ARCH_POWER, true) > > SCHED_FEAT(HRTICK, false) > SCHED_FEAT(DOUBLE_TICK, false) From mboxrd@z Thu Jan 1 00:00:00 1970 From: peterz@infradead.org (Peter Zijlstra) Date: Wed, 13 Jun 2012 14:50:19 +0200 Subject: [RFC 4/4] sched: cpu_power: enable ARCH_POWER In-Reply-To: <1339502524-10265-5-git-send-email-vincent.guittot@linaro.org> References: <1339502524-10265-1-git-send-email-vincent.guittot@linaro.org> <1339502524-10265-5-git-send-email-vincent.guittot@linaro.org> Message-ID: <1339591819.8980.28.camel@twins> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, 2012-06-12 at 14:02 +0200, Vincent Guittot wrote: > Heteregeneous ARM platform uses arch_scale_freq_power function > to reflect the relative capacity of each core I think I've pointed out before that this breaks x86.. you need a patch killing at that stuff before this. > Signed-off-by: Vincent Guittot > --- > kernel/sched/features.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/kernel/sched/features.h b/kernel/sched/features.h > index de00a48..d98ae90 100644 > --- a/kernel/sched/features.h > +++ b/kernel/sched/features.h > @@ -42,7 +42,7 @@ SCHED_FEAT(CACHE_HOT_BUDDY, true) > /* > * Use arch dependent cpu power functions > */ > -SCHED_FEAT(ARCH_POWER, false) > +SCHED_FEAT(ARCH_POWER, true) > > SCHED_FEAT(HRTICK, false) > SCHED_FEAT(DOUBLE_TICK, false)