Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757885AbXIFRua (ORCPT ); Thu, 6 Sep 2007 13:50:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755198AbXIFRuW (ORCPT ); Thu, 6 Sep 2007 13:50:22 -0400 Received: from nz-out-0506.google.com ([64.233.162.233]:31155 "EHLO nz-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755095AbXIFRuV (ORCPT ); Thu, 6 Sep 2007 13:50:21 -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=K762jAM6kAAIFEXPAp3cVyGSmmwe8NKSPOdexfqbpQpvhUV3VGTivt6B4Idwxgk731omqQWqAGezjuRBHwjXPqbO7QxXbu12cezWZochySQgGNdwNyt76Ak/8K6ITEeAJUm3jggq6zMoRnvvtasZZTOLCsBwfjvEJNEGc8Olw2U= Message-ID: <86802c440709061050x714a2bbbn776fb93cb46cdc49@mail.gmail.com> Date: Thu, 6 Sep 2007 10:50:19 -0700 From: "Yinghai Lu" To: "Jesse Barnes" Subject: Re: [patches] [patch 3/5] x86: Add PCI extended config space access for AMD Barcelona Cc: "H. Peter Anvin" , "Arne Georg Gleditsch" , "Andreas Herrmann" , "Robert Richter" , "Arjan van de Ven" , patches@x86-64.org, linux-kernel@vger.kernel.org In-Reply-To: <200709061041.15488.jesse.barnes@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20070903081736.288288000@amd.com> <46DFCCD9.2010306@zytor.com> <200709061041.15488.jesse.barnes@intel.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 808 Lines: 17 On 9/6/07, Jesse Barnes wrote: > The problem with doing that is it would mean reserving some address > space for mmconfig usage. If the BIOS doesn't completely describe all > the reserved regions via e820 or similar (apparently a common problem) > we may end up making mmconfig overlap with another important area... > It's pretty hard not to trust the BIOS here without completely > replacing big chunks of it. for Family 10h, you can use mmio range high beyond than the RAM range...( just don't conflict with HT reserved range...) YH - 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/