From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758970Ab0E1RKY (ORCPT ); Fri, 28 May 2010 13:10:24 -0400 Received: from relay3.sgi.com ([192.48.152.1]:54956 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1758916Ab0E1RKX (ORCPT ); Fri, 28 May 2010 13:10:23 -0400 Message-ID: <4BFFF8F8.1070502@sgi.com> Date: Fri, 28 May 2010 10:10:16 -0700 From: Mike Travis User-Agent: Thunderbird 2.0.0.23 (X11/20090817) MIME-Version: 1.0 To: "H. Peter Anvin" CC: Ingo Molnar , Thomas Gleixner , x86@kernel.org, Jesse Barnes , Bjorn Helgaas , Jacob Pan , Tejun Heo , Mike Habeck , LKML Subject: Re: [Patch 1/1] x86 pci: Add option to not assign BAR's if not already assigned References: <4BEAF008.9030805@sgi.com> <4BFFF517.6040401@sgi.com> <4BFFF6B8.30005@zytor.com> In-Reply-To: <4BFFF6B8.30005@zytor.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 H. Peter Anvin wrote: > On 05/28/2010 09:53 AM, Mike Travis wrote: >> Any further consideration for this patch, or has it been rejected? > > Well, it's really up to Jesse, but as far as I can see, this patch is a > net loss of functionality and doesn't actually add anything. Without > this patch, some resources that were not assigned by BIOS will be > unreachable. With this patch, *all* resources that were not assigned by > BIOS will be unreachable... > > -hpa > Apparently you're missing the point of the patch? The patch is needed because BIOS is purposely not assigning I/O BAR's to devices that won't use them, freeing up the resource for devices that do need them. Where is the "all" resources that are not reachable? Thanks, Mike