From: Willem de Bruijn <will...@google.com> Date: Thu, 20 Aug 2015 22:49:25 -0400
> But there may still be others. Most obvious use case for copy > avoidance is pure device transmit. Excluding loopback may be > a reasonable way to initially limit the attack surface. With a flag > NETIF_F_ZC not supported on lo. Good luck avoiding every case where a packet can be looped back into the machine in some way. A simple device flag is not going to do it. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html