Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758994Ab2J2N2w (ORCPT ); Mon, 29 Oct 2012 09:28:52 -0400 Received: from mail-lb0-f174.google.com ([209.85.217.174]:63240 "EHLO mail-lb0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757504Ab2J2N2s (ORCPT ); Mon, 29 Oct 2012 09:28:48 -0400 MIME-Version: 1.0 In-Reply-To: <50880795.4030609@ti.com> References: <1349595838-31274-1-git-send-email-vincent.guittot@linaro.org> <1349595838-31274-7-git-send-email-vincent.guittot@linaro.org> <50880795.4030609@ti.com> Date: Mon, 29 Oct 2012 14:28:46 +0100 Message-ID: Subject: Re: [RFC 6/6] ARM: sched: clear SD_SHARE_POWERLINE From: Vincent Guittot To: Santosh Shilimkar Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linaro-dev@lists.linaro.org, peterz@infradead.org, mingo@redhat.com, pjt@google.com, linux@arm.linux.org.uk Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1440 Lines: 47 On 24 October 2012 17:21, Santosh Shilimkar wrote: > 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. I agree that it would be more flexible to be able to set it for each level > > 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/