diff options
| author | Ingo Molnar <mingo@kernel.org> | 2016-02-09 10:26:02 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-02-09 10:26:02 +0100 |
| commit | 2a96fd7417a0eb501edfde9713555bd7c2eda302 (patch) | |
| tree | ef00ebfbde662b94a0423a8816a0bbab37440c1e /include/linux/netdevice.h | |
| parent | ca59809ff6d572ae58fc6bedf7500f5a60fdbd64 (diff) | |
| parent | 388f7b1d6e8ca06762e2454d28d6c3c55ad0fe95 (diff) | |
Merge tag 'v4.5-rc3' into locking/core, to refresh the tree
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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, |