From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757333Ab0ERMDw (ORCPT ); Tue, 18 May 2010 08:03:52 -0400 Received: from mail-qy0-f171.google.com ([209.85.221.171]:43996 "EHLO mail-qy0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757059Ab0ERMDu (ORCPT ); Tue, 18 May 2010 08:03:50 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; b=eJ9u0qYAJd8b9mz8G2a3v67+5U5vzokMnTAEP+xK0orL4eV4LwgJ5ejcVUdkUS+0vZ tqynS07CiivRhOIMmkDW986GzNfzbnl4I7RrtJ7pm030K63mYD86L6DxwFTKXnPa8oko 91c8FpJZ296sYUNW/vQ5O25Xl7kz4wwM4KEfI= MIME-Version: 1.0 In-Reply-To: <4BF23B36.7030809@osadl.org> References: <20100510035031.GD9181@owl> <20100514065808.GA11598@owl> <20100517094136.094800562@osadl.org> <4BF23B36.7030809@osadl.org> From: Dmitry Gromov Date: Tue, 18 May 2010 08:03:29 -0400 Message-ID: Subject: Re: [lm-sensors] [PATCH 0/2] hwmon: Update coretemp to current Intel processors To: Carsten Emde Cc: Huaxu Wan , Andrew Morton , LKML , LM Sensors Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi! On Tue, May 18, 2010 at 03:01, Carsten Emde wrote: > Dmitry, > >>> Here comes the current version of the coretemp patches. Huaxu did the >>> initial work; Jean suggested to submit them directly to Andrew. >>> >>> I made some style changes as advised by checkpatch. >>> >>> The patches have been tested successfully on Core 2 Duo and Quad, and on >>> Nehalem and Nehalem/Westmere where temperature readings were plausible >>> and >>> changed with load as expected. When tested on an Atom processor (N270), >>> the >>> temperature values were identical to previous versions of the coretemp >>> module and also changed with load. However, the readings should be higher >>> by 10 to 15C as compared to the outside temperature of the processor. >>> Huaxu, could you check? I would guess TjMax to be 105 instead of 90C in >>> these >>> processors. >> >> I apologize, if I ask a stupid question, but are you saying that TjMax in >> coretemp.c should be set to higher value than Tcase-max value specified in >> Intel documents? > > Hmm, no. I am saying that I would like the reading to be correct. I have > measured the outside temperature of the case with an infrared thermometer > [1] and found it to be higher than the readings returned by the coretemp > module. In all other CPUs I have, the coretemp readings are higher than the > case temperature. > Thank you very much for an explanation, Carsten. -- DG NJ