From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: [RFC] AHCI Command Completion Coalescing(CCC) proposal Date: Thu, 08 Jun 2006 23:53:04 -0400 Message-ID: <4488F0A0.6070609@pobox.com> References: <1149751860.29552.79.camel@forrest26.sh.intel.com> <44883BAE.7070406@pobox.com> <1149820043.5721.7.camel@forrest26.sh.intel.com> <4488EB4A.4050501@pobox.com> <4488EE69.7050907@gmail.com> <4488EF64.9070602@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from srv5.dvmed.net ([207.36.208.214]:30949 "EHLO mail.dvmed.net") by vger.kernel.org with ESMTP id S965131AbWFIDxH (ORCPT ); Thu, 8 Jun 2006 23:53:07 -0400 In-Reply-To: <4488EF64.9070602@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: "zhao, forrest" , linux-ide@vger.kernel.org Tejun Heo wrote: > If we're gonna do it. EH needs only a few changes probably during > autopsy and report. Fixing up command issue path and implementing > command exclusion (NCQ vs. non-NCQ, sil24 does it in hardware, ahci > doesn't) will be a bit complex though. FWIW: Promise, Marvell, and ServerWorks can all queue non-NCQ commands. Oh yeah, ADMA too, IIRC. Jeff