[Xen-devel][PATCH] VNIF: Using smart polling instead of event notification.

["Xu, Dongxiao" <dongxiao.xu@xxxxxxxxx>]

Patch the Xen version of ring.h

Signed-off-by: Dongxiao Xu <dongxiao.xu@xxxxxxxxx>

diff -r 8fc927798476 xen/include/public/io/ring.h
--- a/xen/include/public/io/ring.h      Tue Sep 01 11:36:51 2009 +0100
+++ b/xen/include/public/io/ring.h      Thu Oct 01 02:11:45 2009 +0800
@@ -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 */           \
 };                                                                      \
                                                                         \
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