Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758235AbXEWVfm (ORCPT ); Wed, 23 May 2007 17:35:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756108AbXEWVfe (ORCPT ); Wed, 23 May 2007 17:35:34 -0400 Received: from srv5.dvmed.net ([207.36.208.214]:37356 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756067AbXEWVfd (ORCPT ); Wed, 23 May 2007 17:35:33 -0400 Message-ID: <4654B397.8090802@pobox.com> Date: Wed, 23 May 2007 17:35:19 -0400 From: Jeff Garzik User-Agent: Thunderbird 1.5.0.10 (X11/20070302) MIME-Version: 1.0 To: Alan Cox CC: Jesse Barnes , Linus Torvalds , Robert Hancock , Olivier Galibert , linux-kernel , Andi Kleen , Chuck Ebbert , Len Brown Subject: Re: [RFC PATCH] PCI MMCONFIG: add validation against ACPI motherboard resources References: <4635510D.4060103@shaw.ca> <200705231349.56976.jbarnes@virtuousgeek.org> <200705231403.24439.jbarnes@virtuousgeek.org> <4654AD91.1030808@pobox.com> <20070523223513.7dbb89f4@the-village.bc.nu> In-Reply-To: <20070523223513.7dbb89f4@the-village.bc.nu> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -4.3 (----) X-Spam-Report: SpamAssassin version 3.1.8 on srv5.dvmed.net summary: Content analysis details: (-4.3 points, 5.0 required) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 747 Lines: 21 Alan Cox wrote: >> One of the reasons why hardware vendors want to move away from >> traditional accesses is to be able to use the larger config space in >> PCI-Express, rather than being locked into the 256-byte legacy PCI >> config space. > > Mostly for treacherous computing extensions where subsets of the config > space can only be accessed by signed machines blessed by your favourite > movie company and video card vendor... Um, no, Mr. Paranoia, it's a standard part of the spec. Jeff - 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/