Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262372AbUKQQca (ORCPT ); Wed, 17 Nov 2004 11:32:30 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262371AbUKQQb5 (ORCPT ); Wed, 17 Nov 2004 11:31:57 -0500 Received: from clock-tower.bc.nu ([81.2.110.250]:58852 "EHLO localhost.localdomain") by vger.kernel.org with ESMTP id S262372AbUKQQ3X (ORCPT ); Wed, 17 Nov 2004 11:29:23 -0500 Subject: Re: [patch] prefer TSC over PM Timer From: Alan Cox To: Arjan van de Ven Cc: john stultz , dean gaudet , lkml In-Reply-To: <1100592718.2811.8.camel@laptop.fenrus.org> References: <1100569104.21267.58.camel@cog.beaverton.ibm.com> <1100592718.2811.8.camel@laptop.fenrus.org> Content-Type: text/plain Content-Transfer-Encoding: 7bit Message-Id: <1100705157.32698.34.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2) Date: Wed, 17 Nov 2004 15:25:58 +0000 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 603 Lines: 15 On Maw, 2004-11-16 at 08:11, Arjan van de Ven wrote: > > While there are a great number of systems that can use the TSC, cpufreq > > scaling laptops, and a number of SMP and NUMA systems cannot use it as a > > time source. > > please don't drag cpufreq into this; cpufreq adjusts this timer on > frequency changes just fine. Not on multiprocessor systems - 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/