Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267466AbUIHG3W (ORCPT ); Wed, 8 Sep 2004 02:29:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268878AbUIHG3W (ORCPT ); Wed, 8 Sep 2004 02:29:22 -0400 Received: from rrzd2.rz.uni-regensburg.de ([132.199.1.12]:57787 "EHLO rrzd2.rz.uni-regensburg.de") by vger.kernel.org with ESMTP id S267466AbUIHG3U (ORCPT ); Wed, 8 Sep 2004 02:29:20 -0400 From: "Ulrich Windl" Organization: Universitaet Regensburg, Klinikum To: george@mvista.com Date: Wed, 08 Sep 2004 08:26:41 +0200 MIME-Version: 1.0 Subject: Re: [RFC] New Time of day proposal (updated 9/2/04) CC: Andi Kleen , john stultz , lkml , tim@physik3.uni-rostock.de, albert@users.sourceforge.net, Ulrich.Windl@rz.uni-regensburg.de, Len Brown , linux@dominikbrodowski.de, David Mosberger , paulus@samba.org, schwidefsky@de.ibm.com, jimix@us.ibm.com, keith maanthey , greg kh , Patricia Gaughen , Chris McDermott Message-ID: <413EC241.11051.265174@rkdvmks1.ngate.uni-regensburg.de> In-reply-to: <413DFCC2.7080405@mvista.com> References: X-mailer: Pegasus Mail for Windows (4.21c) Content-type: text/plain; charset=US-ASCII Content-transfer-encoding: 7BIT Content-description: Mail message body X-Content-Conformance: HerringScan-0.25/Sophos-3.84+2.20+2.07.066+02 August 2004+93280@20040908.062108Z Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 735 Lines: 24 On 7 Sep 2004 at 11:24, George Anzinger wrote: > Christoph Lameter wrote: ... > > I thought the NTP daemon etc would even that out? ITC (TSC on IA64) is > > used by default on IA64 for all time keeping purposes. The CPU has on chip > > support for timer interrupt generation. > > Yes, and it is designed (read the "rock" is carefully choosen) for time keeping. Believe me: NTP cannot repair a broken clock; it can only "tune" a clock that is systematically off. ... Regards, Ulrich - 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/