Revert "kdump, vmcoreinfo: report memory sections virtual addresses"

[karo-tx-linux.git] / include / net / busy_poll.h

diff --git a/include/net/busy_poll.h b/include/net/busy_poll.h
index 2fbeb1313c0f4f78ac82ddf6c18d1016a901f99a..d73b849e29a6869e282103f329c3a02f4e1a6882 100644 (file)
--- a/include/net/busy_poll.h
+++ b/include/net/busy_poll.h
@@ -58,10 +58,9 @@ static inline unsigned long busy_loop_end_time(void)
        return busy_loop_us_clock() + ACCESS_ONCE(sysctl_net_busy_poll);
 }
 
-static inline bool sk_can_busy_loop(struct sock *sk)
+static inline bool sk_can_busy_loop(const struct sock *sk)
 {
-       return sk->sk_ll_usec && sk->sk_napi_id &&
-              !need_resched() && !signal_pending(current);
+       return sk->sk_ll_usec && sk->sk_napi_id && !signal_pending(current);
 }
 
 
@@ -81,11 +80,6 @@ static inline void skb_mark_napi_id(struct sk_buff *skb,
        skb->napi_id = napi->napi_id;
 }
 
-/* used in the protocol hanlder to propagate the napi_id to the socket */
-static inline void sk_mark_napi_id(struct sock *sk, struct sk_buff *skb)
-{
-       sk->sk_napi_id = skb->napi_id;
-}
 
 #else /* CONFIG_NET_RX_BUSY_POLL */
 static inline unsigned long net_busy_loop_on(void)
@@ -108,10 +102,6 @@ static inline void skb_mark_napi_id(struct sk_buff *skb,
 {
 }
 
-static inline void sk_mark_napi_id(struct sock *sk, struct sk_buff *skb)
-{
-}
-
 static inline bool busy_loop_timeout(unsigned long end_time)
 {
        return true;
@@ -123,4 +113,23 @@ static inline bool sk_busy_loop(struct sock *sk, int nonblock)
 }
 
 #endif /* CONFIG_NET_RX_BUSY_POLL */
+
+/* used in the protocol hanlder to propagate the napi_id to the socket */
+static inline void sk_mark_napi_id(struct sock *sk, const struct sk_buff *skb)
+{
+#ifdef CONFIG_NET_RX_BUSY_POLL
+       sk->sk_napi_id = skb->napi_id;
+#endif
+}
+
+/* variant used for unconnected sockets */
+static inline void sk_mark_napi_id_once(struct sock *sk,
+                                       const struct sk_buff *skb)
+{
+#ifdef CONFIG_NET_RX_BUSY_POLL
+       if (!sk->sk_napi_id)
+               sk->sk_napi_id = skb->napi_id;
+#endif
+}
+
 #endif /* _LINUX_NET_BUSY_POLL_H */