diff -r 4ac3e1d6605c include/xen/interface/io/ring.h --- a/include/xen/interface/io/ring.h Tue Sep 29 11:23:06 2009 +0100 +++ b/include/xen/interface/io/ring.h Tue Oct 06 11:26:27 2009 -0700 @@ -97,7 +97,8 @@ struct __name##_sring { struct __name##_sring { \ RING_IDX req_prod, req_event; \ RING_IDX rsp_prod, rsp_event; \ - uint8_t pad[48]; \ + uint8_t netfront_smartpoll_active; \ + uint8_t pad[47]; \ union __name##_sring_entry ring[1]; /* variable-length */ \ }; \ \