From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261243AbVBQX0h (ORCPT ); Thu, 17 Feb 2005 18:26:37 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261239AbVBQXYK (ORCPT ); Thu, 17 Feb 2005 18:24:10 -0500 Received: from mail.kroah.org ([69.55.234.183]:57495 "EHLO perch.kroah.org") by vger.kernel.org with ESMTP id S261208AbVBQXVQ (ORCPT ); Thu, 17 Feb 2005 18:21:16 -0500 Date: Thu, 17 Feb 2005 15:18:01 -0800 From: Greg KH To: Andi Kleen Cc: Piotr Kaczuba , linux-kernel@vger.kernel.org, tom.l.nguyen@intel.com Subject: Re: PCI access mode on x86_64 Message-ID: <20050217231801.GC22195@kroah.com> References: <20050213213117.GA18812@attika.ath.cx> <20050214094701.GA323@attika.ath.cx> <20050214120205.GA33348@muc.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050214120205.GA33348@muc.de> User-Agent: Mutt/1.5.8i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 14, 2005 at 01:02:05PM +0100, Andi Kleen wrote: > On Mon, Feb 14, 2005 at 10:47:01AM +0100, Piotr Kaczuba wrote: > > On Mon, Feb 14, 2005 at 10:18:43AM +0100, Andi Kleen wrote: > > > Piotr Kaczuba writes: > > > > Is there a reason why "PCI access mode" config option isn't available for > > > > x86_64? Due to this, PCIE config options aren't available either. > > > > > > There is no 64bit PCI BIOS, so access is always direct. > > > > > > I assume you mean mmconfig access with "PCIE config options", that is > > > a separate config option and available. > > > > I mean the PCIEPORTBUS option which depends on PCI_GOMMCONFIG or > > PCI_GOANY. I assume that due to PCI_MMCONFIG / PCI_GOMMCONFIG mismatch > > it's not available on x86_64. > > Ok, that's a bug in PCIEPORTBUS. Best is probably to > completely remove the dependency, it doesn't make much sense > (the code has to handle the case of mmconfig not being available at > runtime anyways) > > -Andi > > Remove bogus dependency in PCI Express root driver. Applied, thanks. greg k-h