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authorIngo Molnar <mingo@elte.hu>2008-12-26 09:21:05 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-26 09:21:05 +0100
commitc656d9ca48d3ef1a11449e892ce488ee0bb5a335 (patch)
tree0c5598659b3e7f12864d203967d42ac3feb1142c /include/linux/netdevice.h
parent71ab6b245fda6e7597a667a67cce0d26c3c7a14b (diff)
parenta73ad3331fdbf4191cf99b83ea9ac7082b6757ba (diff)
Merge branch 'x86/fpu' into x86/cleanups
Diffstat (limited to 'include/linux/netdevice.h')
-rw-r--r--include/linux/netdevice.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 9d77b1d7dca8..e26f54952892 100644
--- 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);