From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932231AbWFHKtr (ORCPT ); Thu, 8 Jun 2006 06:49:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932233AbWFHKtr (ORCPT ); Thu, 8 Jun 2006 06:49:47 -0400 Received: from canuck.infradead.org ([205.233.218.70]:51879 "EHLO canuck.infradead.org") by vger.kernel.org with ESMTP id S932231AbWFHKtq (ORCPT ); Thu, 8 Jun 2006 06:49:46 -0400 Subject: Re: mutex vs. local irqs (Was: 2.6.18 -mm merge plans) From: David Woodhouse To: Benjamin Herrenschmidt Cc: Ingo Molnar , Andrew Morton , linux-kernel@vger.kernel.org, paulus@samba.org In-Reply-To: <1149726685.23790.8.camel@localhost.localdomain> References: <20060604135011.decdc7c9.akpm@osdl.org> <1149652378.27572.109.camel@localhost.localdomain> <20060606212930.364b43fa.akpm@osdl.org> <1149656647.27572.128.camel@localhost.localdomain> <20060606222942.43ed6437.akpm@osdl.org> <1149662671.27572.158.camel@localhost.localdomain> <20060607132155.GB14425@elte.hu> <1149726685.23790.8.camel@localhost.localdomain> Content-Type: text/plain Date: Thu, 08 Jun 2006 11:49:28 +0100 Message-Id: <1149763768.13596.140.camel@pmac.infradead.org> Mime-Version: 1.0 X-Mailer: Evolution 2.6.2 (2.6.2-1.fc5.1.dwmw2.2) Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by canuck.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2006-06-08 at 10:31 +1000, Benjamin Herrenschmidt wrote: > I still don't think where is the suckage in just not hard-enabling in > the mutex debug code... If the mutex debugging code is hard-enabling interrupts before init_IRQ() ever got called, that's just broken. Fixing that can hardly be called 'suckage'. -- dwmw2