From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933342AbXCBLcW (ORCPT ); Fri, 2 Mar 2007 06:32:22 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933339AbXCBLcV (ORCPT ); Fri, 2 Mar 2007 06:32:21 -0500 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:57738 "EHLO amd.ucw.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1423038AbXCBLcV (ORCPT ); Fri, 2 Mar 2007 06:32:21 -0500 Date: Fri, 2 Mar 2007 12:31:58 +0100 From: Pavel Machek To: Jean Delvare Cc: Dave Jones , Chuck Ebbert , Rudolf Marek , linux-acpi@vger.kernel.org, linux-kernel , lm-sensors@lm-sensors.org Subject: Re: [lm-sensors] Could the k8temp driver be interfering with ACPI? Message-ID: <20070302113158.GC2156@elf.ucw.cz> References: <45D5EA88.7090300@redhat.com> <45D6DDCE.5050803@assembler.cz> <45D7461A.2040808@redhat.com> <20070218183805.5a4fd813.khali@linux-fr.org> <20070228213803.GA4877@ucw.cz> <20070301152655.f232db64.khali@linux-fr.org> <20070301174806.GA4979@redhat.com> <20070302122736.f14a7a22.khali@linux-fr.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070302122736.f14a7a22.khali@linux-fr.org> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.11+cvs20060126 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi! > > > Firstly, the first records of hidden SMBus, in September 2000, predate > > > ACPI. > > > > The earliest ACPI spec I have handy is 1.0b, which came out in Feb 2 1999 > > so this isn't true. The all knowing (and always accurate :) wikipedia > > claims it was first released in 1996, though I believe that all the pre 1.0b > > machines were using acpi implementations before the standard was finalised. > > > > I certainly remember seeing ACPI capable machines circa 1997/1998. > > Yeah, and these early ACPI implementations were so good that we have an > option to blacklist them. > arch/i386/defconfig:CONFIG_ACPI_BLACKLIST_YEAR=2001 > > My point (which you didn't quote) was that there is no correlation > between the SMBus being hidden and ACPI accessing the hardware > monitoring chip, contrary to what Pavel was suggesting. It may not be correlated with ACPI, but BIOS authors clearly want to keep you away from their SMBus controllers.... Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html