From: Eric Dumazet <eric.dumazet@gmail.com>
To: David Miller <davem@davemloft.net>
Cc: Valdis.Kletnieks@vt.edu, akpm@linux-foundation.org,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: 2.6.39-rc6-mmotm0506 - another lockdep splat (networking this time)
Date: Tue, 10 May 2011 23:48:36 +0200 [thread overview]
Message-ID: <1305064116.2437.34.camel@edumazet-laptop> (raw)
In-Reply-To: <20110509.205851.189693332.davem@davemloft.net>
Le lundi 09 mai 2011 à 20:58 -0700, David Miller a écrit :
> From: Eric Dumazet <eric.dumazet@gmail.com>
> Date: Tue, 10 May 2011 05:47:51 +0200
>
> > [PATCH net-next-2.6] net: fix two lockdep splats
> >
> > Commit e67f88dd12f6 (net: dont hold rtnl mutex during netlink dump
> > callbacks) switched rtnl protection to RCU, but we forgot to adjust two
> > rcu_dereference() lockdep annotations :
> >
> > inet_get_link_af_size() or inet_fill_link_af() might be called with
> > rcu_read_lock or rtnl held, so use rcu_dereference_rtnl()
> > instead of rtnl_dereference()
> >
> > Reported-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
> > Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
>
> Applied, thanks everyone.
David, I found you applied this patch for net-2.6, but it was
net-next-2.6 material only ...
next prev parent reply other threads:[~2011-05-10 21:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-10 1:05 2.6.39-rc6-mmotm0506 - another lockdep splat (networking this time) Valdis.Kletnieks
2011-05-10 2:23 ` Eric Dumazet
2011-05-10 3:47 ` Eric Dumazet
2011-05-10 3:58 ` David Miller
2011-05-10 21:48 ` Eric Dumazet [this message]
2011-05-10 21:59 ` David Miller
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