Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756930AbXJ0RJv (ORCPT ); Sat, 27 Oct 2007 13:09:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754614AbXJ0RJn (ORCPT ); Sat, 27 Oct 2007 13:09:43 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:49029 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752300AbXJ0RJn (ORCPT ); Sat, 27 Oct 2007 13:09:43 -0400 Date: Sat, 27 Oct 2007 10:05:43 -0700 From: Arjan van de Ven To: Peter Zijlstra Cc: Jiri Kosina , Gabriel C , a.zummo@towertech.it, Linux Kernel Mailing List , Andrew Morton , rtc-linux@googlegroups.com Subject: Re: BUG: lock held when returning to user space Message-ID: <20071027100543.53ea96a8@laptopd505.fenrus.org> In-Reply-To: <1193501369.5648.78.camel@lappy> References: <472348F6.6050100@googlemail.com> <20071027084713.72733460@laptopd505.fenrus.org> <1193501369.5648.78.camel@lappy> Organization: Intel X-Mailer: Claws Mail 3.0.2 (GTK+ 2.12.1; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII 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: 645 Lines: 24 On Sat, 27 Oct 2007 18:09:29 +0200 Peter Zijlstra wrote: > > > Right, the fd could be transferred using unix sockets or fork(). That > would indeed seriously break a mutex. > or just multi-threaded app.. > -- If you want to reach me at my work email, use arjan@linux.intel.com For development, discussion and tips for power savings, visit http://www.lesswatts.org - 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/