diff --git a/include/net/busy_poll.h b/include/net/busy_poll.h index 40296ed976a9..4202c609bb0b 100644 --- a/include/net/busy_poll.h +++ b/include/net/busy_poll.h @@ -130,7 +130,8 @@ static inline void skb_mark_napi_id(struct sk_buff *skb, static inline void sk_mark_napi_id(struct sock *sk, const struct sk_buff *skb) { #ifdef CONFIG_NET_RX_BUSY_POLL - WRITE_ONCE(sk->sk_napi_id, skb->napi_id); + if (unlikely(READ_ONCE(sk->sk_napi_id) != skb->napi_id)) + WRITE_ONCE(sk->sk_napi_id, skb->napi_id); #endif sk_rx_queue_set(sk, skb); }