Hi Anoob,

[auto build test ERROR on v4.9-rc8]
[also build test ERROR on next-20170519]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Anoob-Soman/openvswitch-clear-sender-cpu-before-forwarding-packets/20170519-111009
config: x86_64-rhel (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   net/openvswitch/vport.c: In function 'ovs_vport_send':
>> net/openvswitch/vport.c:513:2: error: implicit declaration of function 'skb_sender_cpu_clear' [-Werror=implicit-function-declaration]
     skb_sender_cpu_clear(skb);
     ^~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/skb_sender_cpu_clear +513 net/openvswitch/vport.c

   507					     packet_length(skb), mtu);
   508			vport->dev->stats.tx_errors++;
   509			goto drop;
   510		}
   511	
   512		skb->dev = vport->dev;
 > 513		skb_sender_cpu_clear(skb);
   514		vport->ops->send(skb);
   515		return;
   516	

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