From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750819AbWGLTBl (ORCPT ); Wed, 12 Jul 2006 15:01:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750824AbWGLTBk (ORCPT ); Wed, 12 Jul 2006 15:01:40 -0400 Received: from sj-iport-5.cisco.com ([171.68.10.87]:42664 "EHLO sj-iport-5.cisco.com") by vger.kernel.org with ESMTP id S1750819AbWGLTBj (ORCPT ); Wed, 12 Jul 2006 15:01:39 -0400 X-IronPort-AV: i="4.06,236,1149490800"; d="scan'208"; a="305287232:sNHT23430192" To: Arjan van de Ven Cc: Zach Brown , openib-general@openib.org, Linux Kernel Mailing List , Ingo Molnar Subject: Re: [openib-general] ipoib lockdep warning X-Message-Flag: Warning: May contain useful information References: <44B405C8.4040706@oracle.com> <1152686978.3217.14.camel@laptopd505.fenrus.org> From: Roland Dreier Date: Wed, 12 Jul 2006 12:01:37 -0700 Message-ID: User-Agent: Gnus/5.1007 (Gnus v5.10.7) XEmacs/21.4.18 (linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-OriginalArrivalTime: 12 Jul 2006 19:01:38.0900 (UTC) FILETIME=[9ABFE940:01C6A5E5] Authentication-Results: sj-dkim-6.cisco.com; header.From=rdreier@cisco.com; dkim=pass ( sig from cisco.com verified; ); Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > this does not have to be a false positive! > It is not legal to take ANY non-hardirq safe lock after having taken a > lock that's used in hardirq context. > (having said that the skb_queue_tail lock needs a special treatment for > some real false positives; Linus merged that already) ... > Now this assumes your queue is shared with the networking stack, Right, understood -- but ipoib has a private skb queue. Which is why I said it was a false positive. Thanks, Roland