From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757239Ab0EZVKh (ORCPT ); Wed, 26 May 2010 17:10:37 -0400 Received: from terminus.zytor.com ([198.137.202.10]:52451 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755369Ab0EZVKf (ORCPT ); Wed, 26 May 2010 17:10:35 -0400 Message-ID: <4BFD8D52.2080504@zytor.com> Date: Wed, 26 May 2010 14:06:26 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100430 Fedora/3.0.4-2.fc12 Thunderbird/3.0.4 MIME-Version: 1.0 To: john stultz CC: Brian Bloniarz , Dan Magenheimer , Ingo Molnar , Thomas Gleixner , Peter Zijlstra , Andi Kleen , Arjan van de Ven , Venkatesh Pallipadi , chris.mason@oracle.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH] x86: Export tsc related information in sysfs References: <4BF58B59.7080901@athenacr.com> <1274727116.2954.5.camel@localhost.localdomain> <4BFADF9D.9050209@zytor.com 1274733566.2954.73.camel@localhost.localdomain> <3ec7f284-1507-47fb-b5a2-eea29f68c627@default> <4BFAFE17.8060105@zytor.com> <4BFB2902.50308@athenacr.com> <4BFC687A.9040304@athenacr.com> <1274834888.4678.66.camel@localhost.localdomain> <4BFC8C77.7020802@athenacr.com> <1274886299.1759.8.camel@work-vm> <4BFD4629.6040602@athenacr.com> <1274891109.1759.27.camel@work-vm> <4BFD6C2B.4070403@athenacr.com> <4BFD6DAD.1000302@zytor.com> <1274905177.3383.47.camel@localhost.localdomain> In-Reply-To: <1274905177.3383.47.camel@localhost.localdomain> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 05/26/2010 01:19 PM, john stultz wrote: >> >> Yes, Prof. Mills in particular (for those who don't know, he's "Mr. >> NTP") really gets upset about the way Linux does timekeeping. >> Unfortunately it's not clear to me that he's willing to work with us as >> opposed to wanting things to work exactly like BSD, and swive the >> non-NTP users. > > Although I suspect his dislike for Linux is historical, as Roman > reworked the ntp code to follow the NTPv4 reference implementation back > in the 2.6.19 timeframe. > > However I'd be more then happy to try to address any specific > deficiencies with Linux's NTP implementation if someone can better > express Prof Mills' critiques are. > That's the $10M question... I think it starts with asking the NTP community for advice. -hpa