From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754866Ab1LVIyB (ORCPT ); Thu, 22 Dec 2011 03:54:01 -0500 Received: from mga02.intel.com ([134.134.136.20]:3843 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753638Ab1LVIx4 (ORCPT ); Thu, 22 Dec 2011 03:53:56 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.67,351,1309762800"; d="scan'208";a="90323337" Message-ID: <4EF2F01E.8060307@linux.intel.com> Date: Thu, 22 Dec 2011 09:53:50 +0100 From: Arjan van de Ven User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:8.0) Gecko/20111105 Thunderbird/8.0 MIME-Version: 1.0 To: "Shilimkar, Santosh" CC: Colin Cross , Kevin Hilman , Len Brown , linux-kernel@vger.kernel.org, Amit Kucheria , linux-tegra@vger.kernel.org, linux-pm@lists.linux-foundation.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [linux-pm] [PATCH 0/3] coupled cpuidle state support References: <1324426147-16735-1-git-send-email-ccross@android.com> <4EF1A0B4.5080307@linux.intel.com> <4EF1AA8A.8060304@linux.intel.com> <4EF1CD49.9020800@linux.intel.com> <4EF2352C.3060102@linux.intel.com> In-Reply-To: X-Enigmail-Version: 1.3.4 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/22/2011 9:35 AM, Shilimkar, Santosh wrote: > Indeed. The SOCs, Arch's which does support low power > state independently and doesn't need any co-ordination between CPU's > will continue to work same way as before with this series. btw I think you misunderstand; I don't object to a need for something like this, I am just very concerned that this may not be possible to be done in a race-free way.