From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933184Ab0E1Rmz (ORCPT ); Fri, 28 May 2010 13:42:55 -0400 Received: from vms173005pub.verizon.net ([206.46.173.5]:47343 "EHLO vms173005pub.verizon.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933140Ab0E1Rmu (ORCPT ); Fri, 28 May 2010 13:42:50 -0400 Date: Fri, 28 May 2010 13:42:32 -0400 (EDT) From: Len Brown X-X-Sender: lenb@localhost.localdomain To: Thomas Renninger Cc: linux-pm@lists.linux-foundation.org, x86@kernel.org, linux-kernel@vger.kernel.org Subject: Re: [linux-pm] idle-test patches queued for upstream In-reply-to: <201005281007.34706.trenn@suse.de> Message-id: References: <1274928151-30919-1-git-send-email-lenb@kernel.org> <201005271045.33500.trenn@suse.de> <201005281007.34706.trenn@suse.de> User-Agent: Alpine 2.00 (LFD 1167 2008-08-23) MIME-version: 1.0 Content-type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > > Yes, Windows uses ACPI. > > On the Dell above, that is why Linux consumes 15% less idle power > > and why Linux can take advantage of turbo mode and Windows can not. > You always propageted to stay Windows compatible... > Now we go the untested way. > Let's see how much machines will break... > > Thanks for clarifications, Don't get me wrong, Linux' ACPI "compatibility" is a huge asset. However, there are opportunities for Linux to do better than Windows, and I believe this is one of them. Yes, when we take the risk of doing something that Windows does not do, there will always be the possibility that we will fail. cheers, -Len Brown, Intel Open Source Technology Center