Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759379AbXEWUq4 (ORCPT ); Wed, 23 May 2007 16:46:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756520AbXEWUqs (ORCPT ); Wed, 23 May 2007 16:46:48 -0400 Received: from smtp1.linux-foundation.org ([207.189.120.13]:38703 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755509AbXEWUqr (ORCPT ); Wed, 23 May 2007 16:46:47 -0400 Date: Wed, 23 May 2007 13:45:05 -0700 (PDT) From: Linus Torvalds To: Alan Cox cc: Jesse Barnes , Robert Hancock , Olivier Galibert , linux-kernel , Andi Kleen , Chuck Ebbert , Len Brown Subject: Re: [RFC PATCH] PCI MMCONFIG: add validation against ACPI motherboard resources In-Reply-To: <20070523213810.00d498c9@the-village.bc.nu> Message-ID: References: <4635510D.4060103@shaw.ca> <200705221738.09571.jbarnes@virtuousgeek.org> <46539378.6000508@shaw.ca> <200705231152.57796.jbarnes@virtuousgeek.org> <20070523213810.00d498c9@the-village.bc.nu> 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: 655 Lines: 19 On Wed, 23 May 2007, Alan Cox wrote: > > > Well, the thing is, I'm pretty sure there is at least one northbridge that > > stops memory accesses from the CPU when you turn off the MEM bit on it. > > Oops, you just killed the machine. > > CS5520. But it doesn't have 64bit or PCI Express. That patch does it for _all_ PCI probing. So it would turn any machine using that northbridge into a brick. 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/