diff options
-rw-r--r-- | datapath/dp_dev.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/datapath/dp_dev.c b/datapath/dp_dev.c index 284a6b52..5b434c1f 100644 --- a/datapath/dp_dev.c +++ b/datapath/dp_dev.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2009 Nicira Networks. + * Copyright (c) 2009, 2010 Nicira Networks. * Distributed under the terms of the GNU GPL version 2. * * Significant portions of this file may be copied from parts of the Linux @@ -10,6 +10,7 @@ #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/ethtool.h> +#include <linux/preempt.h> #include <linux/rcupdate.h> #include <linux/skbuff.h> #include <linux/workqueue.h> @@ -62,9 +63,13 @@ int dp_dev_recv(struct net_device *netdev, struct sk_buff *skb) else netif_rx_ni(skb); netdev->last_rx = jiffies; + + preempt_disable(); lb_stats = per_cpu_ptr(dp_dev->lstats, smp_processor_id()); lb_stats->rx_packets++; lb_stats->rx_bytes += len; + preempt_enable(); + return len; } |