Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754207Ab0A2R7k (ORCPT ); Fri, 29 Jan 2010 12:59:40 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753160Ab0A2R7j (ORCPT ); Fri, 29 Jan 2010 12:59:39 -0500 Received: from casper.infradead.org ([85.118.1.10]:42791 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751335Ab0A2R7j (ORCPT ); Fri, 29 Jan 2010 12:59:39 -0500 Subject: Re: [Patch 0/2] sysfs: fix s_active lockdep warning From: Peter Zijlstra To: Greg KH Cc: "Eric W. Biederman" , Cong Wang , linux-kernel@vger.kernel.org, Tejun Heo , Miles Lane , Heiko Carstens , Benjamin Herrenschmidt , Larry Finger , akpm@linux-foundation.org In-Reply-To: <20100129142223.GB12539@suse.de> References: <20100129070516.4058.77227.sendpatchset@localhost.localdomain> <4B629E7F.5020200@redhat.com> <20100129142223.GB12539@suse.de> Content-Type: text/plain; charset="UTF-8" Date: Fri, 29 Jan 2010 18:57:28 +0100 Message-ID: <1264787848.24455.31.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 634 Lines: 15 On Fri, 2010-01-29 at 06:22 -0800, Greg KH wrote: > > Heh, this whole mess is the very reason we didn't add lockdep support to > the driver core. Nested devices that all look alike from the driver > core, are really different objects and the locking lifetimes are > separate, but lockdep can't see that. And here I through Alan Stern had a handle on making the driver core play nice. -- 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/