From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [LOCKDEP BUG][2.6.36-rc1] xt_info_wrlock? Date: Mon, 16 Aug 2010 20:48:48 +0200 Message-ID: <1281984528.2487.25.camel@edumazet-laptop> References: <1281978469.3268.55.camel@gandalf.stny.rr.com> <1281979893.2524.54.camel@edumazet-laptop> <1281981301.3268.110.camel@gandalf.stny.rr.com> <1281982566.3268.137.camel@gandalf.stny.rr.com> <1281983814.1926.1763.camel@laptop> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Steven Rostedt , netdev@vger.kernel.org, LKML , "David S. Miller" , Patrick McHardy , Ingo Molnar To: Peter Zijlstra Return-path: Received: from mail-ww0-f44.google.com ([74.125.82.44]:64269 "EHLO mail-ww0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750845Ab0HPSsx (ORCPT ); Mon, 16 Aug 2010 14:48:53 -0400 In-Reply-To: <1281983814.1926.1763.camel@laptop> Sender: netdev-owner@vger.kernel.org List-ID: Le lundi 16 ao=C3=BBt 2010 =C3=A0 20:36 +0200, Peter Zijlstra a =C3=A9c= rit : > On Mon, 2010-08-16 at 14:16 -0400, Steven Rostedt wrote: > > @@ -729,8 +729,10 @@ static void get_counters(const struct > > xt_table_info *t, > > local_bh_enable(); > > /* Processing counters from other cpus, we can let bottom h= alf > > enabled, > > * (preemption is disabled) > > + * We must turn off lockdep to avoid a false positive. > > */ > > =20 > > + lockdep_off(); > > for_each_possible_cpu(cpu) { > >=20 > nack! Interesting. Care to elaborate ?