From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763578AbXGYLjS (ORCPT ); Wed, 25 Jul 2007 07:39:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760396AbXGYLjK (ORCPT ); Wed, 25 Jul 2007 07:39:10 -0400 Received: from an-out-0708.google.com ([209.85.132.246]:50084 "EHLO an-out-0708.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759785AbXGYLjI (ORCPT ); Wed, 25 Jul 2007 07:39:08 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=s7ekdYqyWwMGZftYj09McblvHNV1QUDDSRo1ZwZjjJju5wjcxbg+dNkFHMAN7JrUKe2ss5/v/GAqy3STvwxK3g1Tgaf2qqpFoxizDY6FpkdS+J/ac3DCy3MDVMHYxRfcqm8F92Ux63rCuZPxPh0q51J1OfFmXiEP9QCnmlEGkAY= Message-ID: Date: Wed, 25 Jul 2007 13:39:07 +0200 From: "Henri Hunnekens" To: "Joachim Deguara" Subject: Re: TSC calibration sometimes not correct with RT patch. Cc: "Ingo Molnar" , linux-kernel , "Thomas Gleixner" In-Reply-To: <200707251230.24311.joachim.deguara@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20070725073949.GB595@elte.hu> <200707251230.24311.joachim.deguara@amd.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org That was also my first idea, however the local_irq_disable() routine disables the interrupts according to Ingo, so an SMI is not possible. 2007/7/25, Joachim Deguara : > On Wednesday 25 July 2007 09:56:38 Henri Hunnekens wrote: > > Some more information, the problems occurs on a SMP machine. I've > > added the system logging which displays the CPU speed. The last line > > shows an inaccurate processor speed! I'll try an update, but I expect > > this has something to do with the TSC calibration and that hasn't > > changed, If I'm correct. > > Could it just be that an SMI happened during the calibration? > > -Joachim > > >