From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: Flexible SFF interrupt handling Date: Fri, 30 Nov 2007 10:11:12 +0900 Message-ID: <474F6330.8040400@gmail.com> References: <474D70E0.4060709@garzik.org> <474D7C21.9000303@rtr.ca> <474D900B.8030408@garzik.org> <474F6280.8090403@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from rv-out-0910.google.com ([209.85.198.185]:7019 "EHLO rv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752965AbXK3BLW (ORCPT ); Thu, 29 Nov 2007 20:11:22 -0500 Received: by rv-out-0910.google.com with SMTP id k20so1756648rvb for ; Thu, 29 Nov 2007 17:11:18 -0800 (PST) In-Reply-To: <474F6280.8090403@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Jeff Garzik Cc: Mark Lord , IDE/ATA development list Tejun Heo wrote: > And when reading off Status when idle, we'll need to return 0 from > irq_handler. That will prevent IRQ screaming IRQ lock and nobody cared That sentence was "That will prevent IRQ screaming from causing IRQ live lock..." in my mind. Some packets were lost while transmitting it via my neck, arms and finally through my fingertips and my fingers foolishly didn't ask for retransmission. :-P -- tejun