Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

[linux-2.6-omap-h63xx.git] / include / linux / netdevice.h

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 9d77b1d7dca806e540838d27bbc632961a340f0e..e26f54952892e9c46be142344e36ceb37f19f6f0 100644 (file)
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -319,6 +319,7 @@ enum
 {
        NAPI_STATE_SCHED,       /* Poll is scheduled */
        NAPI_STATE_DISABLE,     /* Disable pending */
+       NAPI_STATE_NPSVC,       /* Netpoll - don't dequeue from poll_list */
 };
 
 extern void __napi_schedule(struct napi_struct *n);
@@ -1497,6 +1498,12 @@ static inline void netif_rx_complete(struct net_device *dev,
 {
        unsigned long flags;
 
+       /*
+        * don't let napi dequeue from the cpu poll list
+        * just in case its running on a different cpu
+        */
+       if (unlikely(test_bit(NAPI_STATE_NPSVC, &napi->state)))
+               return;
        local_irq_save(flags);
        __netif_rx_complete(dev, napi);
        local_irq_restore(flags);