From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [2.6.36-rc5] INET?: possible irq lock inversion dependency Date: Tue, 21 Sep 2010 12:13:31 +0200 Message-ID: <1285064011.2617.238.camel@edumazet-laptop> References: <201006242053.IAG26562.JHQFFOMSVFtOLO@I-love.SAKURA.ne.jp> <201009072132.FHA93457.MHOJFQOOFLVStF@I-love.SAKURA.ne.jp> <201009210651.o8L6pbkP038129@www262.sakura.ne.jp> <1285055760.2617.27.camel@edumazet-laptop> <201009210910.o8L9Anaf071504@www262.sakura.ne.jp> <1285061757.2617.176.camel@edumazet-laptop> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: linux-fsdevel@vger.kernel.org, netdev@vger.kernel.org To: Tetsuo Handa Return-path: Received: from mail-fx0-f46.google.com ([209.85.161.46]:53301 "EHLO mail-fx0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752522Ab0IUKNf (ORCPT ); Tue, 21 Sep 2010 06:13:35 -0400 In-Reply-To: <1285061757.2617.176.camel@edumazet-laptop> Sender: netdev-owner@vger.kernel.org List-ID: Le mardi 21 septembre 2010 =C3=A0 11:36 +0200, Eric Dumazet a =C3=A9cri= t : > Le mardi 21 septembre 2010 =C3=A0 18:10 +0900, Tetsuo Handa a =C3=A9c= rit : > > Eric Dumazet wrote: > > > I would say someone calls xs_tcp_state_change() while softirqs ar= e not > > > masked. > > >=20 > > > If its expected, then following patch is needed ? > >=20 > > After applying your patch, I got the same warning on different plac= e. > > I got this when doing "mount 127.0.0.1:/usr/src/ /mnt/". >=20 > Hmm, but what are the changes in your tree ? >=20 (Because I dont have these lockdep splats here with 2.6.36-rc5)