Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261698AbVE3Swh (ORCPT ); Mon, 30 May 2005 14:52:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261693AbVE3Sw1 (ORCPT ); Mon, 30 May 2005 14:52:27 -0400 Received: from mail.dvmed.net ([216.237.124.58]:46315 "EHLO mail.dvmed.net") by vger.kernel.org with ESMTP id S261255AbVE3SwL (ORCPT ); Mon, 30 May 2005 14:52:11 -0400 Message-ID: <429B60CF.5060204@pobox.com> Date: Mon, 30 May 2005 14:51:59 -0400 From: Jeff Garzik User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.6) Gecko/20050328 Fedora/1.7.6-1.2.5 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Michael Thonke CC: Mark Lord , Erik Slagter , linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org Subject: Re: Playing with SATA NCQ References: <20050526140058.GR1419@suse.de> <1117382598.4851.3.camel@localhost.localdomain> <4299F47B.5020603@gmail.com> <1117387591.4851.17.camel@localhost.localdomain> <429A58F4.3040308@rtr.ca> <1117438192.4851.29.camel@localhost.localdomain> <429B56CA.5080803@rtr.ca> <1117477364.3108.2.camel@localhost.localdomain> <429B5A94.6010301@rtr.ca> <429B5CD3.7080106@gmail.com> In-Reply-To: <429B5CD3.7080106@gmail.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 645 Lines: 19 Michael Thonke wrote: > The new ones are real SATA drives. But some PATA devices and controllers > support TCQ. TCQ is a poorly designed feature, and so, will only be supported on a very few, special host controllers. For most people, even if they down a drive with legacy TCQ, queueing will -never- be supported. For more details read http://linux.yyz.us/sata/software-status.html#tcq Jeff - 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/