Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757073AbXKWPWd (ORCPT ); Fri, 23 Nov 2007 10:22:33 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756047AbXKWPWY (ORCPT ); Fri, 23 Nov 2007 10:22:24 -0500 Received: from rtr.ca ([76.10.145.34]:1640 "EHLO mail.rtr.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755125AbXKWPWX (ORCPT ); Fri, 23 Nov 2007 10:22:23 -0500 Message-ID: <4746F02D.2060204@rtr.ca> Date: Fri, 23 Nov 2007 10:22:21 -0500 From: Mark Lord User-Agent: Thunderbird 2.0.0.9 (X11/20071031) MIME-Version: 1.0 To: Robert Hancock Cc: linux-kernel , ide , Jeff Garzik , Tejun Heo Subject: Re: [PATCH] sata_nv: fix ADMA ATAPI issues with memory over 4GB (v3) References: <47463534.9010100@shaw.ca> In-Reply-To: <47463534.9010100@shaw.ca> 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: 711 Lines: 17 Robert Hancock wrote: > This fixes some problems with ATAPI devices on nForce4 controllers in ADMA mode > on systems with memory located above 4GB. We need to delay setting the 64-bit > DMA mask until the PRD table and padding buffer are allocated so that they don't > get allocated above 4GB and break legacy mode (which is needed for ATAPI > devices). ... Mmm.. I wonder how many other libata drivers have this exact same bug, whether noticed yet or not ? Cheers - 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/