+ if (!(flags & RTE_VHOST_USER_POSTCOPY_SUPPORT)) {
+ vsocket->protocol_features &=
+ ~(1ULL << VHOST_USER_PROTOCOL_F_PAGEFAULT);
+ } else {
+#ifndef RTE_LIBRTE_VHOST_POSTCOPY
+ RTE_LOG(ERR, VHOST_CONFIG,
+ "Postcopy requested but not compiled\n");
+ ret = -1;
+ goto out_mutex;
+#endif
+ }
+