Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422949AbWAMUvn (ORCPT ); Fri, 13 Jan 2006 15:51:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1422951AbWAMUvm (ORCPT ); Fri, 13 Jan 2006 15:51:42 -0500 Received: from 213-239-205-147.clients.your-server.de ([213.239.205.147]:12440 "EHLO mail.tglx.de") by vger.kernel.org with ESMTP id S1422949AbWAMUvm (ORCPT ); Fri, 13 Jan 2006 15:51:42 -0500 Subject: RE: Dual core Athlons and unsynced TSCs From: Thomas Gleixner Reply-To: tglx@linutronix.de To: Lee Revell Cc: Steven Rostedt , "'linux-kernel'" , Roger Heflin , Ingo Molnar , john stultz In-Reply-To: <1137185313.15108.72.camel@mindpipe> References: <1137168254.7241.32.camel@localhost.localdomain> <1137174463.15108.4.camel@mindpipe> <1137174848.15108.11.camel@mindpipe> <1137178506.15108.38.camel@mindpipe> <1137182991.8283.7.camel@localhost.localdomain> <1137183980.6731.1.camel@localhost.localdomain> <1137184982.15108.69.camel@mindpipe> <1137185175.7634.37.camel@localhost.localdomain> <1137185313.15108.72.camel@mindpipe> Content-Type: text/plain Date: Fri, 13 Jan 2006 21:51:48 +0100 Message-Id: <1137185509.7634.40.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.5.4 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 945 Lines: 28 On Fri, 2006-01-13 at 15:48 -0500, Lee Revell wrote: > On Fri, 2006-01-13 at 21:46 +0100, Thomas Gleixner wrote: > > On Fri, 2006-01-13 at 15:43 -0500, Lee Revell wrote: > > > > > Ugh. In arch/x86_64/kernel/time.c monotonic_clock() uses the TSC > > > unconditionally. > > > > Can you try > > > > http://tglx.de/projects/hrtimers/2.6.15/patch-2.6.15-hrt2.patch > > > > please ? > > I can try it (well I can pass it on to someone who has the hardware), > but that's a huge patch, not likely to be mergeable in the 2.6.16 > timeframe. Surely there has to be a way this can be fixed for 2.6.16? Parts of the patch are in mainline (-gitX), but those alone will not fix the problem AFAICS tglx - 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/