From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1763804AbYESVtS (ORCPT ); Mon, 19 May 2008 17:49:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758146AbYESVtF (ORCPT ); Mon, 19 May 2008 17:49:05 -0400 Received: from az33egw02.freescale.net ([192.88.158.103]:57666 "EHLO az33egw02.freescale.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754993AbYESVtE (ORCPT ); Mon, 19 May 2008 17:49:04 -0400 Message-ID: <4831F5F7.9050900@freescale.com> Date: Mon, 19 May 2008 16:49:43 -0500 From: Scott Wood User-Agent: Mozilla-Thunderbird 2.0.0.14 (X11/20080509) MIME-Version: 1.0 To: Rune Torgersen CC: linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org Subject: Re: Oops with PREEMPT-RT on 2.6.25.4 References: <4831D527.2020907@freescale.com> <4831ECF0.5090101@freescale.com> <4831F364.8020702@freescale.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Rune Torgersen wrote: > Scott Wood wrote: >> Try calling irq_set_chip_and_handler() with handle_level_irq, rather >> than irq_set_chip(). The -rt patch doesn't seem to have threadified >> the __do_IRQ() path. > > The demuxer is setting itself up with set_irq_chained handler(), any > pointers on how to change to irq_set_chip_and_handler()? No, I mean the call to set_irq_chip() in pci_pic_host_map() where it sets up the IRQs it manages, not the cascade IRQ itself. -Scott