summaryrefslogtreecommitdiff
path: root/include/linux/netdevice.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/netdevice.h')
-rw-r--r--include/linux/netdevice.h11
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,