From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754549Ab3KTQkx (ORCPT ); Wed, 20 Nov 2013 11:40:53 -0500 Received: from mga09.intel.com ([134.134.136.24]:49160 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754260Ab3KTQkw (ORCPT ); Wed, 20 Nov 2013 11:40:52 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.93,535,1378882800"; d="scan'208";a="438621580" Message-ID: <528CE611.8040903@linux.intel.com> Date: Wed, 20 Nov 2013 08:40:49 -0800 From: Arjan van de Ven User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Peter Zijlstra , lenb@kernel.org, rjw@rjwysocki.net, Eliezer Tamir , Chris Leech , David Miller , rui.zhang@intel.com, jacob.jun.pan@linux.intel.com, Mike Galbraith , Ingo Molnar , hpa@zytor.com, Thomas Gleixner CC: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, "Rafael J. Wysocki" Subject: Re: [PATCH 3/7] idle, thermal, acpi: Remove home grown idle implementations References: <20131120160450.072555619@infradead.org> <20131120162736.508462614@infradead.org> In-Reply-To: <20131120162736.508462614@infradead.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 On 11/20/2013 8:04 AM, Peter Zijlstra wrote: > This does not fully preseve existing behaviour in that the generic > idle cycle function calls into the normal cpuidle governed idle > routines and should thus respect things like QoS parameters and the > like. NAK on the powerclamp side. powerclamp MUST NOT do that.... it is needed to go to the deepest state no matter what (this is for when your system is overheating. there is not a lot of choice here... alternative is an emergency reset that the hardware does for safety)