Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030213AbWHCTkd (ORCPT ); Thu, 3 Aug 2006 15:40:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030215AbWHCTkc (ORCPT ); Thu, 3 Aug 2006 15:40:32 -0400 Received: from ccerelbas02.cce.hp.com ([161.114.21.105]:44243 "EHLO ccerelbas02.cce.hp.com") by vger.kernel.org with ESMTP id S1030213AbWHCTkb (ORCPT ); Thu, 3 Aug 2006 15:40:31 -0400 Date: Thu, 3 Aug 2006 12:40:19 -0700 To: Dave Jones Cc: netdev@vger.kernel.org, Christoph Hellwig , Herbert Xu , Arjan van de Ven , linux-kernel@vger.kernel.org, davem@davemloft.net, linville@tuxdriver.com Subject: Re: orinoco driver causes *lots* of lockdep spew Message-ID: <20060803194019.GA12152@bougret.hpl.hp.com> Reply-To: jt@hpl.hp.com References: <1154607380.2965.25.camel@laptopd505.fenrus.org> <20060803141153.GB20405@infradead.org> <20060803185800.GB12062@bougret.hpl.hp.com> <20060803185958.GC11577@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060803185958.GC11577@redhat.com> Organisation: HP Labs Palo Alto Address: HP Labs, 1U-17, 1501 Page Mill road, Palo Alto, CA 94304, USA. E-mail: jt@hpl.hp.com User-Agent: Mutt/1.5.9i From: Jean Tourrilhes Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1854 Lines: 45 On Thu, Aug 03, 2006 at 02:59:58PM -0400, Dave Jones wrote: > On Thu, Aug 03, 2006 at 11:58:00AM -0700, Jean Tourrilhes wrote: > > On Thu, Aug 03, 2006 at 03:11:53PM +0100, Christoph Hellwig wrote: > > > On Thu, Aug 03, 2006 at 11:54:41PM +1000, Herbert Xu wrote: > > > > Arjan van de Ven wrote: > > > > > > > > > > this is another one of those nasty buggers; > > > > > > > > Good catch. It's really time that we fix this properly rather than > > > > adding more kludges to the core code. > > > > > > > > Dave, once this goes in you can revert the previous netlink workaround > > > > that added the _bh suffix. > > > > > > > > [WIRELESS]: Send wireless netlink events with a clean slate > > > > > > Could we please just get rid of the wireless extensions over netlink code > > > again? It doesn't help to solve anything and just creates a bigger mess > > > to untangle when switching to a fully fledged wireless stack. > > > > That's not going to happen any time soon, NetworkManager > > depends on Wireless Events, as well as many other apps. And there is > > not many mechanisms you can use in the kernel to generate events from > > driver to userspace. > > It seemed to cope pretty well before we had this ? Wireless Events were introduced in kernel 2.4.20 and 2.5.7, which means 2002. NetworkManager and WPA Supplicant were based from the very start on the availability of Wireless Events. You are confusing different things... > Dave Have fun... Jean P.S. : By the way, don't ask me why it took four years for this bug to get discovered... - 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/