Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1946210AbXBPS7d (ORCPT ); Fri, 16 Feb 2007 13:59:33 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1946064AbXBPS7c (ORCPT ); Fri, 16 Feb 2007 13:59:32 -0500 Received: from ns.suse.de ([195.135.220.2]:53179 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1946036AbXBPS7c (ORCPT ); Fri, 16 Feb 2007 13:59:32 -0500 To: Chuck Ebbert Cc: linux-kernel , linux-acpi@vger.kernel.org, lm-sensors@lm-sensors.org Subject: Re: Could the k8temp driver be interfering with ACPI? References: <45D5EA88.7090300@redhat.com> From: Andi Kleen Date: 16 Feb 2007 20:59:33 +0100 In-Reply-To: <45D5EA88.7090300@redhat.com> Message-ID: User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 569 Lines: 9 Chuck Ebbert writes: > > So, could ACPI and the k8temp driver be at odds? Yes, there is no locking between ACPI and Linux drivers for register access. e.g. if there is a indexed register both try to access (and temperature sensors tend to use these things) they can race and get corrupted data. -Andi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/