From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Lord Subject: Re: WARNING: at drivers/ata/libata-core.c:5988 ata_qc_issue() Date: Thu, 24 Jan 2008 23:29:53 -0500 Message-ID: <479965C1.3070009@rtr.ca> References: <4798ACCC.3040104@rtr.ca> <4798AE28.4000408@gmail.com> <4798B526.4020709@rtr.ca> <47992115.6050501@gmail.com> <479924B5.5060202@rtr.ca> <479925FF.4060501@gmail.com> <4799270D.3010009@rtr.ca> <4799285F.3060308@gmail.com> <47995EFD.8030102@rtr.ca> <479960DB.8050109@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from rtr.ca ([76.10.145.34]:3439 "EHLO mail.rtr.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751981AbYAYE3z (ORCPT ); Thu, 24 Jan 2008 23:29:55 -0500 In-Reply-To: <479960DB.8050109@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: IDE/ATA development list Tejun Heo wrote: > Mark Lord wrote: >.. >> Super! You've done a great job with this stuff, Tejun! > > Thanks but I can't really say nice things about how sata_sil24's > qc_defer() is implemented or how we generally handle command deferring. > We really need the control at the higher level - request_queue group. > Oh well... I guess you guys will be talking about it over beer again > soon. :-) .. You too? Another one for those beers, is a way to tell the IOMMU code about physical segment limitations -- so we can stop having to allocate PRD tables 2X as big as necessary in drivers like sata_mv. Cheers