X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=include%2Flinux%2Fnetdevice.h;h=289c2314d76668b8357728382bb33d6828617458;hb=a37130eecb69d76ce1c28b8fd409259cbb8edc7f;hp=5ac140dcb789499e51b951fa45fb34378d636407;hpb=5982557ac6ee5d36a02248be18a2ba945360d9f6;p=karo-tx-linux.git

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,