Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161266AbWJXWPI (ORCPT ); Tue, 24 Oct 2006 18:15:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161265AbWJXWPI (ORCPT ); Tue, 24 Oct 2006 18:15:08 -0400 Received: from omx2-ext.sgi.com ([192.48.171.19]:2713 "EHLO omx2.sgi.com") by vger.kernel.org with ESMTP id S1161259AbWJXWPD (ORCPT ); Tue, 24 Oct 2006 18:15:03 -0400 Message-ID: <453E8FB7.9090001@sgi.com> Date: Tue, 24 Oct 2006 17:12:07 -0500 From: John Partridge User-Agent: Thunderbird 1.5.0.7 (X11/20060913) MIME-Version: 1.0 To: Roland Dreier Cc: Matthew Wilcox , Jeff Garzik , linux-pci@atrey.karlin.mff.cuni.cz, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, openib-general@openib.org Subject: Re: Ordering between PCI config space writes and MMIO reads? References: <20061024192210.GE2043@havoc.gtf.org> <20061024214724.GS25210@parisc-linux.org> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 725 Lines: 28 Roland Dreier wrote: > > I think the right way to fix this is to ensure mmio write ordering in > > the pci_write_config_*() implementations. Like this. > > I'm happy to fix this in the PCI core and not force drivers to worry > about this. > > John, can you confirm that this patch fixes the issue for you? > > Thanks, > Roland I'll give it a try and get back to you. John -- John Partridge Silicon Graphics Inc Tel: 651-683-3428 Vnet: 233-3428 E-Mail: johnip@sgi.com - 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/