From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965471AbWJ3JH0 (ORCPT ); Mon, 30 Oct 2006 04:07:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965472AbWJ3JH0 (ORCPT ); Mon, 30 Oct 2006 04:07:26 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:40404 "EHLO mx2.mail.elte.hu") by vger.kernel.org with ESMTP id S965471AbWJ3JHX (ORCPT ); Mon, 30 Oct 2006 04:07:23 -0500 Date: Mon, 30 Oct 2006 10:06:55 +0100 From: Ingo Molnar To: Peter Zijlstra Cc: linux-kernel , Andrew Morton , Arjan van de Ven , Jiri Kosina , Marcel Holtmann , David Woodhouse Subject: Re: [PATCH 2/2] lockdep: annotate bcsp driver Message-ID: <20061030090655.GA28026@elte.hu> References: <1162199005.24143.169.camel@taijtu> <1162199192.24143.172.camel@taijtu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1162199192.24143.172.camel@taijtu> User-Agent: Mutt/1.4.2.2i X-ELTE-SpamScore: -2.8 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.8 required=5.9 tests=ALL_TRUSTED,AWL,BAYES_50 autolearn=no SpamAssassin version=3.0.3 -3.3 ALL_TRUSTED Did not pass through any untrusted hosts 0.5 BAYES_50 BODY: Bayesian spam probability is 40 to 60% [score: 0.5000] -0.0 AWL AWL: From: address is in the auto white-list X-ELTE-VirusStatus: clean Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Peter Zijlstra wrote: > ============================================= > [ INFO: possible recursive locking detected ] > 2.6.18-1.2699.fc6 #1 > --------------------------------------------- > swapper/0 is trying to acquire lock: > (&list->lock#3){+...}, at: [] skb_dequeue+0x12/0x43 > > but task is already holding lock: > (&list->lock#3){+...}, at: [] bcsp_dequeue+0x6a/0x11e [hci_uart] > > > Two different list locks nest, annotate so. > > Signed-off-by: Peter Zijlstra Acked-by: Ingo Molnar Ingo