From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964960AbXDMUIj (ORCPT ); Fri, 13 Apr 2007 16:08:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964873AbXDMUIj (ORCPT ); Fri, 13 Apr 2007 16:08:39 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:39859 "EHLO amd.ucw.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S964976AbXDMUIi (ORCPT ); Fri, 13 Apr 2007 16:08:38 -0400 Date: Fri, 13 Apr 2007 22:07:46 +0200 From: Pavel Machek To: Bjorn Helgaas Cc: Jean Delvare , 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: <20070413200746.GD28264@elf.ucw.cz> References: <45D5EA88.7090300@redhat.com> <20070302114023.GD2163@elf.ucw.cz> <20070302150313.198b6053.khali@linux-fr.org> <200704131218.44045.bjorn.helgaas@hp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200704131218.44045.bjorn.helgaas@hp.com> 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! > > ... The primary issue is the concurrent access > > to resources, which cause lots of trouble which are hard to investigate. > > If ACPI reserves the ports, then the SMBus or hardware monitoring > > drivers (or any other conflicting driver) will cleanly fail to load, > > which would be a move in the right direction. ... > > > > So, can ACPI actually reserve the ports it accesses? > > Sorry to join this discussion so late. > > ACPI tells us the resources used by devices. Today, we don't > reserve Problem seems to be that ACPI does _not_ tell us which ports it accesses from AML code. But we already found a lock we can take; AFAICT we know how to solve this problem. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html