From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266486AbUGBHeP (ORCPT ); Fri, 2 Jul 2004 03:34:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266492AbUGBHeP (ORCPT ); Fri, 2 Jul 2004 03:34:15 -0400 Received: from fw.osdl.org ([65.172.181.6]:54952 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S266486AbUGBHeM (ORCPT ); Fri, 2 Jul 2004 03:34:12 -0400 Date: Fri, 2 Jul 2004 00:33:12 -0700 From: Andrew Morton To: Yichen Xie Cc: linux-kernel@vger.kernel.org Subject: Re: [BUGS] [CHECKER] 99 synchronization bugs and a lock summary database Message-Id: <20040702003312.261032a7.akpm@osdl.org> In-Reply-To: References: <20040701213837.0b97c21e.akpm@osdl.org> X-Mailer: Sylpheed version 0.9.7 (GTK+ 1.2.10; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Yichen Xie wrote: > > > AFAICT fs/sysv/itree.c:find_shared is innocent. > > I guess here's what has triggered the warning by the tool: > > get_branch may try to acquire pointers_lock (itree.c:103) on one of its > paths, which was held (line 287) by find_shared... OK, that's certainly very broken. I'll fix that one up.