Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422718AbWJPQR6 (ORCPT ); Mon, 16 Oct 2006 12:17:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1422717AbWJPQR6 (ORCPT ); Mon, 16 Oct 2006 12:17:58 -0400 Received: from rtr.ca ([64.26.128.89]:23825 "EHLO mail.rtr.ca") by vger.kernel.org with ESMTP id S1422714AbWJPQR5 (ORCPT ); Mon, 16 Oct 2006 12:17:57 -0400 Message-ID: <4533B0B3.8070205@rtr.ca> Date: Mon, 16 Oct 2006 12:17:55 -0400 From: Mark Lord User-Agent: Thunderbird 1.5.0.7 (X11/20060909) MIME-Version: 1.0 To: Robert Hancock Cc: Jens Axboe , Allen Martin , Jeff Garzik , linux-kernel , linux-ide@vger.kernel.org, prakash@punnoor.de Subject: Re: [RFC PATCH] nForce4 ADMA with NCQ: It's aliiiive.. References: <452C7C1D.3040704@shaw.ca> <20061011103038.GK6515@kernel.dk> <452F053B.2000906@shaw.ca> In-Reply-To: <452F053B.2000906@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: 608 Lines: 16 Robert Hancock wrote: > > I also noticed that I'm still using the default 64KB libata dma_boundary > value, this should be 4GB for ADMA mode (but fixed up back to the > default if an ATAPI device is connected, same as with the DMA mask). Be careful of that. The original PDC hardware for ADMA still had the "don't cross a 64KB boundary" requirement. 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/