From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932252AbWFDVME (ORCPT ); Sun, 4 Jun 2006 17:12:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932253AbWFDVME (ORCPT ); Sun, 4 Jun 2006 17:12:04 -0400 Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:60291 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S932252AbWFDVMC (ORCPT ); Sun, 4 Jun 2006 17:12:02 -0400 Subject: Re: [patch, -rc5-mm1] locking validator: special rule: 8390.c disable_irq() From: Alan Cox To: Steven Rostedt Cc: Arjan van de Ven , Alan Cox , Ingo Molnar , Andrew Morton , linux-kernel@vger.kernel.org In-Reply-To: <1149438131.29652.5.camel@localhost.localdomain> References: <20060531200236.GA31619@elte.hu> <1149107500.3114.75.camel@laptopd505.fenrus.org> <20060531214139.GA8196@devserv.devel.redhat.com> <1149111838.3114.87.camel@laptopd505.fenrus.org> <20060531214729.GA4059@elte.hu> <1149112582.3114.91.camel@laptopd505.fenrus.org> <1149345421.13993.81.camel@localhost.localdomain> <20060603215323.GA13077@devserv.devel.redhat.com> <1149374090.14408.4.camel@localhost.localdomain> <1149413649.3109.92.camel@laptopd505.fenrus.org> <1149426961.27696.7.camel@localhost.localdomain> <1149437412.23209.3.camel@localhost.localdomain> <1149438131.29652.5.camel@localhost.localdomain> Content-Type: text/plain Content-Transfer-Encoding: 7bit Date: Sun, 04 Jun 2006 22:26:15 +0100 Message-Id: <1149456375.23209.13.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.6.1 (2.6.1-1.fc5.2) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Ar Sul, 2006-06-04 am 12:22 -0400, ysgrifennodd Steven Rostedt: > But can't this machine still cause an interrupt storm if the interrupt > comes on a wrong line, and we don't call the handler for the interrupt > source because we are now honoring disable_irq? Yes - that is why we can't honour disable_irq in this case but have to hope 8)