Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 26 Aug 2002 16:18:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 26 Aug 2002 16:18:55 -0400 Received: from pc2-cwma1-5-cust12.swa.cable.ntl.com ([80.5.121.12]:14846 "EHLO irongate.swansea.linux.org.uk") by vger.kernel.org with ESMTP id ; Mon, 26 Aug 2002 16:18:55 -0400 Subject: Re: [PATCH] tsc-disable_B9 From: Alan Cox To: root@chaos.analogic.com Cc: "Martin J. Bligh" , Pavel Machek , Andrea Arcangeli , Mikael Pettersson , john stultz , Marcelo Tosatti , lkml , Leah Cunningham , wilhelm.nuesser@sap.com, paramjit@us.ibm.com, msw@redhat.com In-Reply-To: References: Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Ximian Evolution 1.0.8 (1.0.8-6) Date: 26 Aug 2002 21:23:43 +0100 Message-Id: <1030393423.2776.19.camel@irongate.swansea.linux.org.uk> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 569 Lines: 14 On Mon, 2002-08-26 at 20:18, Richard B. Johnson wrote: > The CPU counters are synchronized on SMP machines. How can you > ever get negative time? Even GHz machines take several months > to wrap the count. On a typical intel chipset PC maybe, on anything fancy - nope. Not even on a 440BX board with mixed speed processors - 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/