summaryrefslogtreecommitdiffstats
path: root/include
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2008-12-15 16:30:22 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2008-12-15 16:30:22 -0800
commit7004405cb85cdc10074740705963d9ce3e887f47 (patch)
treec78a69420f7307ac04866d1ad4d9a9384054bdb0 /include
parentd2ff911882b6bc693d86ca9566daac70aacbb2b3 (diff)
parent4798a2b84ea5a98e4f36a815a646cb48ff521684 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: Phonet: keep TX queue disabled when the device is off SCHED: netem: Correct documentation comment in code. netfilter: update rwlock initialization for nat_table netlabel: Compiler warning and NULL pointer dereference fix e1000e: fix double release of mutex IA64: HP_SIMETH needs to depend upon NET netpoll: fix race on poll_list resulting in garbage entry ipv6: silence log messages for locally generated multicast sungem: improve ethtool output with internal pcs and serdes tcp: tcp_vegas cong avoid fix sungem: Make PCS PHY support partially work again.
Diffstat (limited to 'include')
-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);