From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: [PATCH 01/06] sata_mv: cache frequently read registers Date: Mon, 16 Feb 2009 19:19:38 -0500 Message-ID: <499A029A.1060101@pobox.com> References: <4994FF3D.90904@rtr.ca> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from srv5.dvmed.net ([207.36.208.214]:54937 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751025AbZBQATl (ORCPT ); Mon, 16 Feb 2009 19:19:41 -0500 In-Reply-To: <4994FF3D.90904@rtr.ca> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Mark Lord Cc: IDE/ATA development list Mark Lord wrote: > Maintain a local (mv_port_priv) cache of frequently accessed registers, > to avoid having to re-read them (very slow) on every transistion > between EDMA and non-EDMA modes. This speeds up things like > flushing the drive write cache, and anything using basic DMA transfers. > > Signed-off-by: Mark Lord > -- > > Resending without any changes from original. ACK patches 1-6 however, they do not seem to apply to libata-dev.git#upstream, which already has several sata_mv changes in it. Can you regenerate please? No need to copy the list on resend, unless the patch content changes.... Jeff