From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: Polling (was Re: [PATCHSET 2/2] implement PMP support, take 6) Date: Tue, 02 Oct 2007 09:30:09 -0400 Message-ID: <470247E1.2070905@garzik.org> References: <1190521193410-git-send-email-htejun@gmail.com> <46F9BF3E.5050708@garzik.org> <46FA1B4E.8090103@gmail.com> <46FD079F.3010007@garzik.org> <46FD0D50.8030602@gmail.com> <46FD1C4A.8010101@garzik.org> <46FD306C.3050205@gmail.com> <46FD5DE1.8000206@rtr.ca> <20070928220309.7c9ed816@the-village.bc.nu> <46FDADD9.9050007@garzik.org> <46FE45CE.1050007@rtr.ca> <4700EA52.10701@garzik.org> <47018CEC.6060203@gmail.com> <47024001.6090306@garzik.org> <47024257.4050606@rtr.ca> 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]:37253 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752102AbXJBNaN (ORCPT ); Tue, 2 Oct 2007 09:30:13 -0400 In-Reply-To: <47024257.4050606@rtr.ca> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Mark Lord Cc: Tejun Heo , Alan Cox , linux-ide@vger.kernel.org Mark Lord wrote: > Jeff Garzik wrote: >> Tejun Heo wrote: >>> Jeff Garzik wrote: >>>> Mark Lord wrote: >>>>> Linux kernel development is supposed to happen incrementally nowadays. >>>>> Get a nice working solution in place, and then enhance/tune it. >>>> It's not about enhancing and tuning. >>>> >>>> It's about me (and/or James B) having to __undo__ the current code, >>>> just >>>> to get things working on an entire class of SATA-capable controllers >>>> out >>>> in the field. >>> >>> Hmmm... Simpy not setting ATA_FLAG_PMP isn't enough? >> >> The point was that I was going to turn on PMP support for SAS >> controllers in 2.6.24 to coincide with the merge, but now cannot >> without fixing things. > > So, don't. > > Just a few days ago PMP was slated to not be enabled for *any* controllers > until 2.6.25 or so. Now we have it a release early, for all but SAS. A few days before that, both PMP and SAS /were/ slated for 2.6.24, and after I fix the design problems, they will be again. One way or another, upstream will /not/ be doing polling PMP in 2.6.24. Jeff