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authorDavid S. Miller <davem@davemloft.net>2008-12-16 07:03:50 +0300
committerDavid S. Miller <davem@davemloft.net>2008-12-16 07:03:50 +0300
commiteb14f019597cd86c21a6c601d7e900f40030c2e7 (patch)
tree36fb2f36a1747f98988f87215db1eef3a71d45eb /include/linux/netdevice.h
parent9a4a84294b0d60b8c287131478f743ba2bc68949 (diff)
parenta3dd15444baa9c7522c8457ab564c41219dfb44c (diff)
downloadlinux-eb14f019597cd86c21a6c601d7e900f40030c2e7.tar.xz
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/e1000e/ich8lan.c
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 47e731528315..b60c26b7d31c 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -322,6 +322,7 @@ 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);
@@ -1622,6 +1623,12 @@ 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);