From: Paolo Abeni <pab...@redhat.com> Date: Thu, 14 Apr 2016 18:39:39 +0200
> The current tun_net_xmit() implementation don't need any external > lock since it relies on rcu protection for the tun data structure > and on socket queue lock for skb queuing. > > This patch set the NETIF_F_LLTX feature bit in the tun device, so > that on xmit, in absence of qdisc, no serialization lock is acquired > by the caller. > > The user space can remove the default tun qdisc with: > > tc qdisc replace dev <tun device name> root noqueue > > Signed-off-by: Paolo Abeni <pab...@redhat.com> > Acked-by: Hannes Frederic Sowa <han...@stressinduktion.org> > Acked-by: Eric Dumazet <eduma...@google.com> Applied, thanks.
