---

yaml --- r: 214349 b: refs/heads/master c: 6febfca h: refs/heads/master i: 214347: 3e78c14 v: v3
git-mirror · Sep 8, 2010 · 026c547 · 026c547
1 parent 7876800
commit 026c547
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Showing 2 changed files with 12 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 65040c33ee8d0199ab7686402bffdbf9e1e26cbe
+refs/heads/master: 6febfca98f25c7ee5c3ff7fc85e048bf82230ad5
diff --git a/trunk/net/core/dev.c b/trunk/net/core/dev.c
@@ -2343,7 +2343,7 @@ static int get_rps_cpu(struct net_device *dev, struct sk_buff *skb,
 		       struct rps_dev_flow **rflowp)
 {
 	struct netdev_rx_queue *rxqueue;
-	struct rps_map *map;
+	struct rps_map *map = NULL;
 	struct rps_dev_flow_table *flow_table;
 	struct rps_sock_flow_table *sock_flow_table;
 	int cpu = -1;
@@ -2361,8 +2361,17 @@ static int get_rps_cpu(struct net_device *dev, struct sk_buff *skb,
 	} else
 		rxqueue = dev->_rx;
 
-	if (!rxqueue->rps_map && !rxqueue->rps_flow_table)
+	if (rxqueue->rps_map) {
+		map = rcu_dereference(rxqueue->rps_map);
+		if (map && map->len == 1) {
+			tcpu = map->cpus[0];
+			if (cpu_online(tcpu))
+				cpu = tcpu;
+			goto done;
+		}
+	} else if (!rxqueue->rps_flow_table) {
 		goto done;
+	}
 
 	skb_reset_network_header(skb);
 	if (!skb_get_rxhash(skb))
@@ -2407,7 +2416,6 @@ static int get_rps_cpu(struct net_device *dev, struct sk_buff *skb,
 		}
 	}
 
-	map = rcu_dereference(rxqueue->rps_map);
 	if (map) {
 		tcpu = map->cpus[((u64) skb->rxhash * map->len) >> 32];