From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964808AbXCNXQx (ORCPT ); Wed, 14 Mar 2007 19:16:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964804AbXCNXQx (ORCPT ); Wed, 14 Mar 2007 19:16:53 -0400 Received: from srv5.dvmed.net ([207.36.208.214]:45285 "EHLO mail.dvmed.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964790AbXCNXQw (ORCPT ); Wed, 14 Mar 2007 19:16:52 -0400 Message-ID: <45F8825F.3030904@garzik.org> Date: Wed, 14 Mar 2007 19:16:47 -0400 From: Jeff Garzik User-Agent: Thunderbird 1.5.0.10 (X11/20070302) MIME-Version: 1.0 To: Jeff Garzik , Tejun Heo , gregkh@suse.de, linux-kernel@vger.kernel.org, linux-pci@atrey.karlin.mff.cuni.cz, michal.k.k.piotrowski@gmail.com, linux-ide@vger.kernel.org, tglx@linutronix.de, shemminger@linux-foundation.org, mlord@pobox.com, linux-pm@lists.osdl.org Subject: Re: [PATCH/RFC] PCI prepare/activate instead of enable to avoid IRQ storm and rogue DMA access References: <20070314152302.GB15600@htj.dyndns.org> <20070314215605.GA7194@flint.arm.linux.org.uk> <45F87863.9040408@garzik.org> <20070314225818.GB7194@flint.arm.linux.org.uk> In-Reply-To: <20070314225818.GB7194@flint.arm.linux.org.uk> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: -4.3 (----) X-Spam-Report: SpamAssassin version 3.1.8 on srv5.dvmed.net summary: Content analysis details: (-4.3 points, 5.0 required) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Russell King wrote: > In any case, relying on such a new control bit to implement this kind > of functionality would result in a very hit and miss result; Linux How does Tejun's patch or thesis rely on this new control bit? He explicitly mentions DISABLE_INTX variability... Jeff