Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964795AbWEaGjK (ORCPT ); Wed, 31 May 2006 02:39:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964826AbWEaGjK (ORCPT ); Wed, 31 May 2006 02:39:10 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:44239 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S964795AbWEaGjJ (ORCPT ); Wed, 31 May 2006 02:39:09 -0400 Subject: Re: 2.6.17-rc5-mm1 From: Arjan van de Ven To: Andrew Morton Cc: Steven Rostedt , linux-kernel@vger.kernel.org, mingo@elte.hu In-Reply-To: <20060530211442.a260a32e.akpm@osdl.org> References: <20060530022925.8a67b613.akpm@osdl.org> <1149045448.28264.4.camel@localhost.localdomain> <20060530211442.a260a32e.akpm@osdl.org> Content-Type: text/plain Date: Wed, 31 May 2006 08:39:02 +0200 Message-Id: <1149057543.2725.39.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 831 Lines: 19 On Tue, 2006-05-30 at 21:14 -0700, Andrew Morton wrote: > On Tue, 30 May 2006 23:17:28 -0400 > Steven Rostedt wrote: > Without having looked at it very hard, I'd venture that this is a false > positive - that driver uses disable_irq() to prevent reentry onto that > lock. > > It does that because it knows it's about to spend a long time talking with > the mii registers and it doesn't want to do that with interrupts disabled. the scsi controller who shares that irq with your NIC just *enjoys* long disable_irq() periods.. it can be nice and lazy about it ;) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/