From: Paolo Abeni <[email protected]>
Date: Thu, 28 Apr 2016 11:04:51 +0200
> After the commit e09acddf873b ("ip_tunnel: replace dst_cache with generic
> implementation"), a preemption debug warning is triggered on ip4
> tunnels updating; the dst cache helper needs to be invoked in unpreemptible
> context.
>
> We don't need to load the cache on tunnel update, so this commit fixes
> the warning replacing the load with a dst cache reset, which is
> preempt safe.
>
> Fixes: e09acddf873b ("ip_tunnel: replace dst_cache with generic
> implementation")
>
> Reported-by: Eric Dumazet <[email protected]>
> Signed-off-by: Paolo Abeni <[email protected]>
Applied, thanks Paolo.
