From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762991AbZD3ObU (ORCPT ); Thu, 30 Apr 2009 10:31:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754377AbZD3ObK (ORCPT ); Thu, 30 Apr 2009 10:31:10 -0400 Received: from out1.smtp.messagingengine.com ([66.111.4.25]:51009 "EHLO out1.smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752499AbZD3ObJ (ORCPT ); Thu, 30 Apr 2009 10:31:09 -0400 X-Sasl-enc: q93Ebi59+cIVs8g+y+ARNKL7vOpqeZx/wNzcDq8r+Csu 1241101868 Date: Thu, 30 Apr 2009 11:31:05 -0300 From: Henrique de Moraes Holschuh To: Mao Yilu Cc: linux-kernel@vger.kernel.org Subject: Re: TSC unstable on Intel Pentium M processor 750 Message-ID: <20090430143105.GD28027@khazad-dum.debian.net> References: <440758024.12507@ustc.edu.cn> <441049102.10204@ustc.edu.cn> <654E14825BCE4C9B94E5986000DC9BCE@xiaomao> <441061189.03958@ustc.edu.cn> <70DF5CB591F94B45BBC9BD2D41A047EF@xiaomao> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <70DF5CB591F94B45BBC9BD2D41A047EF@xiaomao> X-GPG-Fingerprint: 1024D/1CDB0FE3 5422 5C61 F6B7 06FB 7E04 3738 EE25 DE3F 1CDB 0FE3 User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 30 Apr 2009, Mao Yilu wrote: > > On Thu, 30 Apr 2009, Mao Yilu wrote: > > > But I still don't know why the TSC is not correct in the C1 state (hlt > > > instruction). Is there anything more to influence the TSC? What happened > > > when the CPU is not running under hlt instruction? > > > > SMIs? Laptops love that crap... > > What is SMIs? http://en.wikipedia.org/wiki/System_Management_Mode -- "One disk to rule them all, One disk to find them. One disk to bring them all and in the darkness grind them. In the Land of Redmond where the shadows lie." -- The Silicon Valley Tarot Henrique Holschuh