Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756437AbZLWQcL (ORCPT ); Wed, 23 Dec 2009 11:32:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756253AbZLWQcK (ORCPT ); Wed, 23 Dec 2009 11:32:10 -0500 Received: from one.firstfloor.org ([213.235.205.2]:37569 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752800AbZLWQcJ (ORCPT ); Wed, 23 Dec 2009 11:32:09 -0500 Date: Wed, 23 Dec 2009 17:32:03 +0100 From: Andi Kleen To: Trond Myklebust Cc: Al Viro , Andi Kleen , KOSAKI Motohiro , linux-kernel@vger.kernel.org Subject: Re: NFS lockdep lock misordering mmap_sem<->i_mutex_key with 2.6.32-git1 Message-ID: <20091223163203.GG20539@basil.fritz.box> References: <20091207115949.GA7610@basil.fritz.box> <20091207211216.E95E.A69D9226@jp.fujitsu.com> <20091207132009.GI18989@one.firstfloor.org> <20091215222134.GA27892@ZenIV.linux.org.uk> <20091215233841.GE22392@basil.fritz.box> <1260921277.3219.18.camel@localhost> <20091216000924.GZ14381@ZenIV.linux.org.uk> <1260969392.3219.65.camel@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1260969392.3219.65.camel@localhost> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 637 Lines: 20 > The scenario would be that the writing thread triggers a page fault > (through __get_user()) when holding the i_mutex, while the other thread > is trying to grab the i_mutex within the mmap() call. Hi Trond, What's the state of this bug? Are you going to accept my patch or do you have a different one in the pipeline? Thanks, -Andi -- ak@linux.intel.com -- Speaking for myself only. -- 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/