Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265163AbUAaXVl (ORCPT ); Sat, 31 Jan 2004 18:21:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265170AbUAaXVl (ORCPT ); Sat, 31 Jan 2004 18:21:41 -0500 Received: from delerium.kernelslacker.org ([81.187.208.145]:55685 "EHLO delerium.codemonkey.org.uk") by vger.kernel.org with ESMTP id S265163AbUAaXVk (ORCPT ); Sat, 31 Jan 2004 18:21:40 -0500 Date: Sat, 31 Jan 2004 23:19:18 +0000 From: Dave Jones To: Tony Lindgren Cc: linux-kernel@vger.kernel.org Subject: Re: [PATCH] powernow-k8 max speed sanity check Message-ID: <20040131231918.GL20622@redhat.com> Mail-Followup-To: Dave Jones , Tony Lindgren , linux-kernel@vger.kernel.org References: <20040131203512.GA21909@atomide.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040131203512.GA21909@atomide.com> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1024 Lines: 25 On Sat, Jan 31, 2004 at 12:35:12PM -0800, Tony Lindgren wrote: > Hi all, > > Following is a little patch to do a sanity check on the max speed and > voltage values provided by the bios. > > Some buggy bioses provide bad values if the cpu changes, for example, in > my case the bios claims the max cpu speed is 1600MHz, while it's running at > 1800MHz. (Cheapo Emachines m6805 you know...) This could also happen on > machines where the cpu is upgraded. > > These checks should be safe, as they only change things if the machine is > already running at a higher speed than the bios claims. ye gads, yet another problem with eMachines PST tables. Conclusive proof I think that we need the 'read from ACPI P state tables when PST contains garbage' patch. Dave - 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/