--- linux-2.6.32.64/net/core/dev.c.orig	2014-11-24 12:52:36.103335551 +0100
+++ linux-2.6.32.64/net/core/dev.c	2014-11-24 12:52:58.863949715 +0100
@@ -2069,7 +2069,7 @@ EXPORT_SYMBOL(netif_rx_ni);
 
 static void net_tx_action(struct softirq_action *h)
 {
-	struct softnet_data *sd = &__get_cpu_var(softnet_data);
+	volatile struct softnet_data *sd = &__get_cpu_var(softnet_data);
 
 	if (sd->completion_queue) {
 		struct sk_buff *clist;