From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754616AbYJPOiA (ORCPT ); Thu, 16 Oct 2008 10:38:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751892AbYJPOhv (ORCPT ); Thu, 16 Oct 2008 10:37:51 -0400 Received: from casper.infradead.org ([85.118.1.10]:51958 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751425AbYJPOhv (ORCPT ); Thu, 16 Oct 2008 10:37:51 -0400 Date: Thu, 16 Oct 2008 07:37:49 -0700 From: Arjan van de Ven To: arun@linux.vnet.ibm.com Cc: linux-kernel@vger.kernel.org, linux-pm@lists.linux-foundation.org, a.p.zijlstra@chello.nl, ego@in.ibm.com, tglx@linutronix.de, mingo@elte.hu, andi@firstfloor.org, venkatesh.pallipadi@intel.com, vatsa@linux.vnet.ibm.com Subject: Re: [RFC PATCH 0/4] timers: Timer migration Message-ID: <20081016073749.4f944a19@infradead.org> In-Reply-To: <20081016114239.GA7641@linux.vnet.ibm.com> References: <20081016114239.GA7641@linux.vnet.ibm.com> Organization: Intel X-Mailer: Claws Mail 3.5.0 (GTK+ 2.12.12; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 16 Oct 2008 17:12:39 +0530 > > > Here's a brief introduction as to why we need timer migration. > as I've said before, for reducing power consumption I don't buy into needing this concept.... If you have high frequency timers, you've lost no matter what (and we fixed almost all of them in the ecosystem); if you don't have those then this patch doesn't really add anything. (and the range-hrtimers fixes the intermediate state) -- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org