---

yaml
---
r: 193774
b: refs/heads/master
c: e51d739
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ec43b1a64a132303a6800c781bc17c683aedc55b
+refs/heads/master: e51d739ab79110c43ca03daf3ddb3c52dadd38b7

trunk/net/core/dev.c

@@ -2766,17 +2766,19 @@ int netif_receive_skb(struct sk_buff *skb)
 EXPORT_SYMBOL(netif_receive_skb);
 
 /* Network device is going away, flush any packets still pending  */
-static void flush_backlog(void *arg)
+static void flush_backlog(struct net_device *dev, int cpu)
 {
-	struct net_device *dev = arg;
-	struct softnet_data *queue = &__get_cpu_var(softnet_data);
+	struct softnet_data *queue = &per_cpu(softnet_data, cpu);
 	struct sk_buff *skb, *tmp;
+	unsigned long flags;
 
+	spin_lock_irqsave(&queue->input_pkt_queue.lock, flags);
 	skb_queue_walk_safe(&queue->input_pkt_queue, skb, tmp)
 		if (skb->dev == dev) {
 			__skb_unlink(skb, &queue->input_pkt_queue);
 			kfree_skb(skb);
 		}
+	spin_unlock_irqrestore(&queue->input_pkt_queue.lock, flags);
 }
 
 static int napi_gro_complete(struct sk_buff *skb)
@@ -5545,6 +5547,7 @@ void netdev_run_todo(void)
 	while (!list_empty(&list)) {
 		struct net_device *dev
 			= list_first_entry(&list, struct net_device, todo_list);
+		int i;
 		list_del(&dev->todo_list);
 
 		if (unlikely(dev->reg_state != NETREG_UNREGISTERING)) {
@@ -5556,7 +5559,8 @@ void netdev_run_todo(void)
 
 		dev->reg_state = NETREG_UNREGISTERED;
 
-		on_each_cpu(flush_backlog, dev, 1);
+		for_each_online_cpu(i)
+			flush_backlog(dev, i);
 
 		netdev_wait_allrefs(dev);