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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-16 01:30:22 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-16 01:30:22 +0100 |
| commit | 7004405cb85cdc10074740705963d9ce3e887f47 (patch) | |
| tree | c78a69420f7307ac04866d1ad4d9a9384054bdb0 /include | |
| parent | Define smp_call_function_many for UP (diff) | |
| parent | Phonet: keep TX queue disabled when the device is off (diff) | |
| download | linux-7004405cb85cdc10074740705963d9ce3e887f47.tar.xz linux-7004405cb85cdc10074740705963d9ce3e887f47.zip | |
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.h | 7 |
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); |