From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2992530AbXDROGW (ORCPT ); Wed, 18 Apr 2007 10:06:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S2992533AbXDROGW (ORCPT ); Wed, 18 Apr 2007 10:06:22 -0400 Received: from an-out-0708.google.com ([209.85.132.247]:46062 "EHLO an-out-0708.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2992530AbXDROGU (ORCPT ); Wed, 18 Apr 2007 10:06:20 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=AYPF2D4EIp0Ck3CDwrmhksucIbHHDh45Op3fxNuHKPdluD6yMJl0TfNxEjCC5GfV/FBrs76ZpFKglJjxdEQxdrBPlKbv1neLqEPzxMcqxnCfXl6y53wGD05wn2h9HV3ut9Na9YBWeeY19gggxMuWZtJccbMsg1YoFOqQ1Wq1DxI= Message-ID: Date: Wed, 18 Apr 2007 08:06:18 -0600 From: "Andrew Shewmaker" To: "John Sigler" Subject: Re: Disabling x86 System Management Mode Cc: linux-kernel@vger.kernel.org In-Reply-To: <462603E0.3050208@free.fr> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <46235447.3080000@free.fr> <462603E0.3050208@free.fr> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 4/18/07, John Sigler wrote: > Andi Kleen wrote: > > > There are usually chipset specific bits that can be set to disable > > SMMs. See the datasheet if you can get them. Unfortunately most > > chipset vendors don't give out data sheets easily. > > I managed to find the south bridge data sheet. > > http://linux.kernel.free.fr/VT82C686B.pdf > > (I'm still looking for the north bridge data sheet.) > > Could someone point me in the right direction? The LinuxBIOS folks had a thread on SMM recently. You don't have to worry about SMM if you can use their stuff. http://www.linuxbios.org/pipermail/linuxbios/2006-December/017861.html same thread, but continued http://www.linuxbios.org/pipermail/linuxbios/2007-January/017905.html -- Andrew Shewmaker