Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762021AbYCCXFs (ORCPT ); Mon, 3 Mar 2008 18:05:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756033AbYCCXFh (ORCPT ); Mon, 3 Mar 2008 18:05:37 -0500 Received: from iolanthe.rowland.org ([192.131.102.54]:34783 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1754950AbYCCXFg (ORCPT ); Mon, 3 Mar 2008 18:05:36 -0500 Date: Mon, 3 Mar 2008 18:05:35 -0500 (EST) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: "Pallipadi, Venkatesh" cc: Pierre Ossman , LKML , Adam Belay , Andi Kleen , Lee Revell , Subject: Re: [linux-pm] [PATCH] cpuidle: avoid singing capacitors In-Reply-To: <924EFEDD5F540B4284297C4DC59F3DEEA2E8B2@orsmsx423.amr.corp.intel.com> Message-ID: 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 Content-Length: 799 Lines: 20 On Mon, 3 Mar 2008, Pallipadi, Venkatesh wrote: > But, with this patch: > - we are penalizing good hardware and making them less power efficient > to match the bad ones. > - There may also be server systems which first may not have these sort > of power fluctuations and even when buggy and have this noise, system > may be in some corner of some lab with fans making more noise than the > capacitors. Can you make it configurable through sysfs? Default to disabled, but allow the user to turn it on if the machine makes too much noise. Alan Stern -- 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/