Please ignore this one.
I will repost with the correct openvswitch address.
Thanks

On Wed, Mar 26, 2014 at 09:56:12PM -0300, Flavio Leitner wrote:
> There are two problematic situations.
> 
> A deadlock can happen when is_percpu is false because it can get
> interrupted while holding the spinlock. Then it executes
> ovs_flow_stats_update() in softirq context which tries to get
> the same lock.
> 
> The second sitation is that when is_percpu is true, the code
> correctly disables BH only for the local CPU, but that confuses
> lockdep enough to trigger the warning below.
> 
> This patch disables BH for both cases fixing the real deadlock
> and the lockdep warning message.
[...]
 
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