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| author | David S. Miller <davem@davemloft.net> | 2016-02-01 18:44:07 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-02-01 18:44:07 -0800 |
| commit | b45efa30a626e915192a6c548cd8642379cd47cc (patch) | |
| tree | 90d8b43ebceb850b0e7852d75283aebbd2abbc00 /include/linux/netdevice.h | |
| parent | 7a26019fdecdb45ff784ae4e3b7e0cc9045100ca (diff) | |
| parent | 34229b277480f46c1e9a19f027f30b074512e68b (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'include/linux/netdevice.h')
| -rw-r--r-- | include/linux/netdevice.h | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 5ac140dcb789..289c2314d766 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -512,7 +512,6 @@ static inline void napi_enable(struct napi_struct *n) clear_bit(NAPI_STATE_NPSVC, &n->state); } -#ifdef CONFIG_SMP /** * napi_synchronize - wait until NAPI is not running * @n: napi context @@ -523,12 +522,12 @@ static inline void napi_enable(struct napi_struct *n) */ static inline void napi_synchronize(const struct napi_struct *n) { - while (test_bit(NAPI_STATE_SCHED, &n->state)) - msleep(1); + if (IS_ENABLED(CONFIG_SMP)) + while (test_bit(NAPI_STATE_SCHED, &n->state)) + msleep(1); + else + barrier(); } -#else -# define napi_synchronize(n) barrier() -#endif enum netdev_queue_state_t { __QUEUE_STATE_DRV_XOFF, |