From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759800Ab0ENWgO (ORCPT ); Fri, 14 May 2010 18:36:14 -0400 Received: from terminus.zytor.com ([198.137.202.10]:46126 "EHLO mail.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755497Ab0ENWgM (ORCPT ); Fri, 14 May 2010 18:36:12 -0400 Message-ID: <4BEDD03B.30106@zytor.com> Date: Fri, 14 May 2010 15:35:39 -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: Mike Travis CC: Jesse Barnes , Bjorn Helgaas , Mike Habeck , Ingo Molnar , Thomas Gleixner , x86@kernel.org, Jacob Pan , Tejun Heo , LKML , Yinghai , "linux-pci@vger.kernel.org" , Myron Stowe Subject: Re: [Patch 1/1] x86 pci: Add option to not assign BAR's if not already assigned References: <4BEAF008.9030805@sgi.com> <201005131256.17997.bjorn.helgaas@hp.com> <4BEC5530.1000008@sgi.com> <201005131402.30759.bjorn.helgaas@hp.com> <20100514152509.3aeb37b4@virtuousgeek.org> <4BEDCFD9.7020202@sgi.com> In-Reply-To: <4BEDCFD9.7020202@sgi.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 05/14/2010 03:34 PM, Mike Travis wrote: > > It seems that BIOS changes are much more difficult. The real solution > to this problem is for Card Vendors to not request I/O Bars if they > won't be using them. But that's the hardest option of all to accomplish. > That is a non-option. Any device which may have to be a boot or console device in a legacy system pretty much needs them. -hpa