From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756914Ab0FBHbx (ORCPT ); Wed, 2 Jun 2010 03:31:53 -0400 Received: from terminus.zytor.com ([198.137.202.10]:40440 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751350Ab0FBHbv (ORCPT ); Wed, 2 Jun 2010 03:31:51 -0400 Message-ID: <4C0608C6.4090901@zytor.com> Date: Wed, 02 Jun 2010 00:31:18 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100330 Fedora/3.0.4-1.fc12 Thunderbird/3.0.4 MIME-Version: 1.0 To: Bjorn Helgaas CC: Mike Travis , Ingo Molnar , Thomas Gleixner , x86@kernel.org, Jesse Barnes , Jacob Pan , Tejun Heo , Mike Habeck , LKML , linux-pci@vger.kernel.org Subject: Re: [Patch 1/1] x86 pci: Add option to not assign BAR's if not already assigned References: <4BEAF008.9030805@sgi.com> <4C0021DC.60608@zytor.com> <4C039980.3020608@sgi.com> <201006011649.56074.bjorn.helgaas@hp.com> In-Reply-To: <201006011649.56074.bjorn.helgaas@hp.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 06/01/2010 03:49 PM, Bjorn Helgaas wrote: >> >> BIOS still assigns the MMIO BAR's so the devices are alive. > > I'm sorry; I don't follow this. BIOS assigns MMIO BARs regardless > of whether we have your patch. > I'm assuming that that Mike is implying is that the allocation code runs out of I/O space and as a result shuts down the entire device. -hpa