netdev - Re: circular locking dependency splat due to f9eb8aea2a1e

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Message-ID: <6f4b437a-077a-d152-df1b-ecf6da24ff71@cumulusnetworks.com>
Date:	Wed, 8 Jun 2016 14:59:22 -0600
From:	David Ahern <dsa@...ulusnetworks.com>
To:	Eric Dumazet <edumazet@...gle.com>
Cc:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: circular locking dependency splat due to f9eb8aea2a1e

On 6/8/16 2:32 PM, Eric Dumazet wrote:
> On Wed, Jun 8, 2016 at 1:31 PM, David Ahern <dsa@...ulusnetworks.com> wrote:
>> On 6/8/16 2:30 PM, Eric Dumazet wrote:
>>>
>>>
>>> It looks VRF was already lacking annotation for busylock then ?
>>
>>
>> I sent a patch adding IFF_NO_QUEUE flag
>>
>
> OK, but we still need the fix, in case a qdisc is installed on vrf
> (who knows...)

Sure. What about other virtual devices? e.g., I can generate the same 
splat with ipvlan.