From: Eric Dumazet <[email protected]> Date: Thu, 12 Apr 2012 11:05:28 +0200
> Most machines dont use UDP encapsulation (L2TP) > > Adds a static_key so that udp_queue_rcv_skb() doesnt have to perform a > test if L2TP never setup the encap_rcv on a socket. > > Idea of this patch came after Simon Horman proposal to add a hook on TCP > as well. > > If static_key is not yet enabled, the fast path does a single JMP . > > When static_key is enabled, JMP destination is patched to reach the real > encap_type/encap_rcv logic, possibly adding cache misses. > > Signed-off-by: Eric Dumazet <[email protected]> Applied to net-next, thanks Eric. Ban, please incorporate this scheme when you respin your fixed ipv6 encap/l2tp patches. Thanks. _______________________________________________ dev mailing list [email protected] http://openvswitch.org/mailman/listinfo/dev
