netdev - Re: [PATCH net-next 2/4] net: vrf: call netdev_lockdep_set

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Message-ID: <80f2d58b-4ad7-b367-2b46-dbf510a3e2fc@cumulusnetworks.com>
Date:	Wed, 8 Jun 2016 19:49:20 -0600
From:	David Ahern <dsa@...ulusnetworks.com>
To:	Eric Dumazet <edumazet@...gle.com>
Cc:	"David S . Miller" <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>,
	Eric Dumazet <eric.dumazet@...il.com>
Subject: Re: [PATCH net-next 2/4] net: vrf: call netdev_lockdep_set_classes()

On 6/8/16 7:43 PM, Eric Dumazet wrote:
> For this one, it looks vrf misses the _xmit_lock lockdep support.
>
> We might need to factorize the code found for example in
> bond_set_lockdep_class_one()
>
> Have you run lockdep before ? Strange that these issues were not
> spotted earlier.

Standard config for non-performance builds has the locking and rcu 
debugs enabled. You posted the patches on Jun 6; this morning was the 
first build with them and first run hit it.