Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754624Ab3JRNnm (ORCPT ); Fri, 18 Oct 2013 09:43:42 -0400 Received: from mga14.intel.com ([143.182.124.37]:31857 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754462Ab3JRNnl (ORCPT ); Fri, 18 Oct 2013 09:43:41 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.93,522,1378882800"; d="scan'208";a="376648919" Message-ID: <52613B0B.4050000@linux.intel.com> Date: Fri, 18 Oct 2013 06:43:39 -0700 From: Arjan van de Ven User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:17.0) Gecko/20130801 Thunderbird/17.0.8 MIME-Version: 1.0 To: Morten Rasmussen CC: Peter Zijlstra , "mingo@kernel.org" , "pjt@google.com" , "rjw@sisk.pl" , "dirk.j.brandewie@intel.com" , "vincent.guittot@linaro.org" , "alex.shi@linaro.org" , "preeti@linux.vnet.ibm.com" , "efault@gmx.de" , "corbet@lwn.net" , "tglx@linutronix.de" , Catalin Marinas , "linux-kernel@vger.kernel.org" , "linaro-kernel@lists.linaro.org" Subject: Re: [RFC][PATCH 4/7] sched: power: Remove power capacity hints for kworker threads References: <1381511957-29776-1-git-send-email-morten.rasmussen@arm.com> <1381511957-29776-5-git-send-email-morten.rasmussen@arm.com> <20131014133356.GN3081@twins.programming.kicks-ass.net> <525C0A51.2080407@linux.intel.com> <20131017164038.GV31039@e103034-lin> <20131017165416.GW10651@twins.programming.kicks-ass.net> <52601BEE.5090500@linux.intel.com> <20131018084737.GX31039@e103034-lin> In-Reply-To: <20131018084737.GX31039@e103034-lin> Content-Type: text/plain; charset=windows-1252; 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: 739 Lines: 18 > > We should be able to boil it down to a sequence on ARM as well. But it > means dropping cpufreq and looking at the clock framework. > > Are you still using the pre- and post-change notifiers on Intel, or can > they be ignored safely? we do not use change notifiers (since the hardware changes frequency independently of what "p state" we asked for frequently and in many very common conditions, even if anything depended on being notified on changes... it couldn't possibly work anyway) -- 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/