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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-12-17 20:04:45 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-12-17 20:04:45 +0000
commitc613bbba6f39c8804f1f26e96fb68a117cc9e282 (patch)
tree85fbc24f26b61ce4e7a908d18952e3abc1f5cd10 /include/linux/netdevice.h
parentcd4348339c21f4a15c01f3f120e92b3224a0a7da (diff)
parent80eee6bca4069c48247005aa07cb5e8e86042aa3 (diff)
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Merge branch 'mxc-pu-imxfb' of git://pasiphae.extern.pengutronix.de/git/imx/linux-2.6 into devel
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 9d77b1d7dca..e26f5495289 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);