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From: Jarek Poplawski <jarkao2@gmail.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: netdev <netdev@vger.kernel.org>,
	David Miller <davem@davemloft.net>,
	Jesse Gross <jesse@nicira.com>
Subject: Re: [BUG net-2.6 vlan/bonding] lockdep splats
Date: Wed, 27 Oct 2010 12:03:34 +0000	[thread overview]
Message-ID: <20101027120334.GA11247@ff.dom.local> (raw)
In-Reply-To: <1288175070.2709.86.camel@edumazet-laptop>

On Wed, Oct 27, 2010 at 12:24:30PM +0200, Eric Dumazet wrote:
> On latest net-2.6 kernel I got following splat, not sure its related to
> vlan changes...

Seems to be even older. Could you try this patch?

Thanks,
Jarek P.
---

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index beb3b7c..bdb68a6 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -493,9 +493,9 @@ static void bond_vlan_rx_register(struct net_device *bond_dev,
 	struct slave *slave;
 	int i;
 
-	write_lock(&bond->lock);
+	write_lock_bh(&bond->lock);
 	bond->vlgrp = grp;
-	write_unlock(&bond->lock);
+	write_unlock_bh(&bond->lock);
 
 	bond_for_each_slave(bond, slave, i) {
 		struct net_device *slave_dev = slave->dev;

  reply	other threads:[~2010-10-27 12:03 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-27 10:24 [BUG net-2.6 vlan/bonding] lockdep splats Eric Dumazet
2010-10-27 12:03 ` Jarek Poplawski [this message]
2010-10-27 13:00   ` Eric Dumazet
2010-10-27 17:08     ` [PATCH] bonding: Fix lockdep warning after bond_vlan_rx_register() Jarek Poplawski
2010-10-27 21:21       ` David Miller

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