Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965264Ab2JXPWN (ORCPT ); Wed, 24 Oct 2012 11:22:13 -0400 Received: from bear.ext.ti.com ([192.94.94.41]:36783 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965198Ab2JXPWK (ORCPT ); Wed, 24 Oct 2012 11:22:10 -0400 Message-ID: <50880795.4030609@ti.com> Date: Wed, 24 Oct 2012 20:51:57 +0530 From: Santosh Shilimkar User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:15.0) Gecko/20120912 Thunderbird/15.0.1 MIME-Version: 1.0 To: Vincent Guittot CC: , , , , , , Subject: Re: [RFC 6/6] ARM: sched: clear SD_SHARE_POWERLINE References: <1349595838-31274-1-git-send-email-vincent.guittot@linaro.org> <1349595838-31274-7-git-send-email-vincent.guittot@linaro.org> In-Reply-To: <1349595838-31274-7-git-send-email-vincent.guittot@linaro.org> Content-Type: text/plain; charset="ISO-8859-1"; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1228 Lines: 39 On Sunday 07 October 2012 01:13 PM, Vincent Guittot wrote: > The ARM platforms take advantage of packing small tasks on few cores. > This is true even when the cores of a cluster can't be powergated > independently. > > Signed-off-by: Vincent Guittot > --- > arch/arm/kernel/topology.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c > index 26c12c6..00511d0 100644 > --- a/arch/arm/kernel/topology.c > +++ b/arch/arm/kernel/topology.c > @@ -226,6 +226,11 @@ static inline void update_cpu_power(unsigned int cpuid, unsigned int mpidr) {} > */ > struct cputopo_arm cpu_topology[NR_CPUS]; > > +int arch_sd_share_power_line(void) > +{ > + return 0*SD_SHARE_POWERLINE; > +} Making this selection of policy based on sched domain will better. Just gives the flexibility to choose a separate scheme for big and little systems which will be very convenient. Regards Santosh -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/