Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754345AbYAMUnV (ORCPT ); Sun, 13 Jan 2008 15:43:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753553AbYAMUnN (ORCPT ); Sun, 13 Jan 2008 15:43:13 -0500 Received: from palinux.external.hp.com ([192.25.206.14]:47803 "EHLO mail.parisc-linux.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753364AbYAMUnL (ORCPT ); Sun, 13 Jan 2008 15:43:11 -0500 Date: Sun, 13 Jan 2008 13:43:09 -0700 From: Matthew Wilcox To: Arjan van de Ven Cc: Loic Prylli , Ivan Kokshaysky , Greg KH , Linus Torvalds , Greg KH , linux-kernel@vger.kernel.org, Jeff Garzik , linux-pci@atrey.karlin.mff.cuni.cz, Benjamin Herrenschmidt , Martin Mares , Tony Camuso Subject: Re: [Patch v2] Make PCI extended config space (MMCONFIG) a driver opt-in Message-ID: <20080113204309.GF18741@parisc-linux.org> References: <20080111211753.GR18741@parisc-linux.org> <20080111213803.GS18741@parisc-linux.org> <20080111235856.GA16079@jurassic.park.msu.ru> <20080112002638.GA18710@kroah.com> <20080112144030.GA19279@jurassic.park.msu.ru> <20080112094557.71f5382a@laptopd505.fenrus.org> <478A5727.3000102@myri.com> <20080113104124.022cd0a5@laptopd505.fenrus.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080113104124.022cd0a5@laptopd505.fenrus.org> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1063 Lines: 21 On Sun, Jan 13, 2008 at 10:41:24AM -0800, Arjan van de Ven wrote: > Note: There is not a 100% overlap between "need" and "will not be used in > the patches that use legacy for < 256". In the other patches posted, > extended config space will be used in cases where it won't be with my > patch. (Most obvious one is an "lspci -vx" from automated scripts). I believe you to be mistaken in this belief. If you take Ivan's patch, conf1 is used for all accesses below 256 bytes. lspci -x only dumps config space up to 64 bytes; lspci -xxxx is needed to show extended pci config space. -- Intel are signing my paycheques ... these opinions are still mine "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step." -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/