Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760862AbXEXAWz (ORCPT ); Wed, 23 May 2007 20:22:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756374AbXEXAWs (ORCPT ); Wed, 23 May 2007 20:22:48 -0400 Received: from smtp1.linux-foundation.org ([207.189.120.13]:41390 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756331AbXEXAWs (ORCPT ); Wed, 23 May 2007 20:22:48 -0400 Date: Wed, 23 May 2007 17:21:13 -0700 (PDT) From: Linus Torvalds To: Jesse Barnes cc: Olivier Galibert , Robert Hancock , linux-kernel , Andi Kleen , Chuck Ebbert , Len Brown Subject: Re: [RFC PATCH] PCI MMCONFIG: add validation against ACPI motherboard resources In-Reply-To: <200705231555.07683.jbarnes@virtuousgeek.org> Message-ID: References: <4635510D.4060103@shaw.ca> <20070523222443.GA39776@dspnet.fr.eu.org> <200705231555.07683.jbarnes@virtuousgeek.org> 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: 1140 Lines: 27 On Wed, 23 May 2007, Jesse Barnes wrote: > > After I sent my last message I realized the same thing... though I > occasionally hear people talk about removing it (I seriously doubt that > will ever happen). I don't even think there's a way to disable type 1 > config access on Intel chipsets... Considering that the chipsets still have support for features that *really* aren't used (and haven't been used in over a decade), I doubt the conf1 thing is going away any time soon. Things like: A20 gate, 15-16MB holes, i387 FP exception on irq 13 are totally pointless in this day and age. Things like the DMA controller are getting there, along with PS/2 keyboard support. So there's a lot of things that are likely to be removed before conf1 accesses would. Removing CONF1 accesses would break every single current OS, they'll do that ten years from now at the earliest. Linus - 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/