From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753855AbYEYWqP (ORCPT ); Sun, 25 May 2008 18:46:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752021AbYEYWp6 (ORCPT ); Sun, 25 May 2008 18:45:58 -0400 Received: from colo.lackof.org ([198.49.126.79]:35086 "EHLO colo.lackof.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751836AbYEYWp5 (ORCPT ); Sun, 25 May 2008 18:45:57 -0400 Date: Sun, 25 May 2008 16:45:42 -0600 From: Grant Grundler To: Yinghai Lu Cc: Ingo Molnar , Jesse Barnes , "H. Peter Anvin" , Thomas Gleixner , Andrew Morton , Grant Grundler , linux-pci@vger.kernel.org, "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] x86: early dump pci conf space v3 Message-ID: <20080525224542.GB22343@colo.lackof.org> References: <200805210012.35939.yhlu.kernel@gmail.com> <200805221435.11734.yhlu.kernel@gmail.com> <200805231248.55345.yhlu.kernel@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200805231248.55345.yhlu.kernel@gmail.com> X-Home-Page: http://www.parisc-linux.org/ User-Agent: Mutt/1.5.16 (2007-06-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 23, 2008 at 12:48:54PM -0700, Yinghai Lu wrote: > > so we can printout pci config before kernel touch it > v3: change to pci=early_config_dump ... > Index: linux-2.6/Documentation/kernel-parameters.txt > =================================================================== > --- linux-2.6.orig/Documentation/kernel-parameters.txt > +++ linux-2.6/Documentation/kernel-parameters.txt > @@ -1570,6 +1570,8 @@ and is between 256 and 4096 characters. > cbmemsize=nn[KMG] The fixed amount of bus space which is > reserved for the CardBus bridge's memory > window. The default value is 64 megabytes. > + early_config_dump [X86] print out pci config space > + registers early before kernel touch any A bit of wordsmithing here: early_config_dump [X86] print out pci config space registers before the kernel touches any PCI resources. This can help determine what PCI quirks need to do to compensate for broken BIOS. Rest of the patch: Acked-by: Grant Grundler thanks, grant