Merge branch 'linus' into locking/core, to resolve conflicts

Conflicts:
	include/linux/compiler-clang.h
	include/linux/compiler-gcc.h
	include/linux/compiler-intel.h
	include/uapi/linux/stddef.h

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 11 insertions, 11 deletions

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 48531da1aba6..5a42e873d44a 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -739,8 +739,10 @@ static void tcp_tsq_handler(struct sock *sk)
                 struct tcp_sock *tp = tcp_sk(sk);
 
                 if (tp->lost_out > tp->retrans_out &&
-                    tp->snd_cwnd > tcp_packets_in_flight(tp))
+                    tp->snd_cwnd > tcp_packets_in_flight(tp)) {
+                        tcp_mstamp_refresh(tp);
                         tcp_xmit_retransmit_queue(sk);
+                }
 
                 tcp_write_xmit(sk, tcp_current_mss(sk), tp->nonagle,
                                0, GFP_ATOMIC);
@@ -2060,6 +2062,7 @@ static int tcp_mtu_probe(struct sock *sk)
         nskb->ip_summed = skb->ip_summed;
 
         tcp_insert_write_queue_before(nskb, skb, sk);
+        tcp_highest_sack_replace(sk, skb, nskb);
 
         len = 0;
         tcp_for_write_queue_from_safe(skb, next, sk) {
@@ -2237,6 +2240,7 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle,
 
         sent_pkts = 0;
 
+        tcp_mstamp_refresh(tp);
         if (!push_one) {
                 /* Do MTU probing. */
                 result = tcp_mtu_probe(sk);
@@ -2248,7 +2252,6 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle,
         }
 
         max_segs = tcp_tso_segs(sk, mss_now);
-        tcp_mstamp_refresh(tp);
         while ((skb = tcp_send_head(sk))) {
                 unsigned int limit;
 
@@ -2663,7 +2666,7 @@ static bool tcp_collapse_retrans(struct sock *sk, struct sk_buff *skb)
                 else if (!skb_shift(skb, next_skb, next_skb_size))
                         return false;
         }
-        tcp_highest_sack_combine(sk, next_skb, skb);
+        tcp_highest_sack_replace(sk, next_skb, skb);
 
         tcp_unlink_write_queue(next_skb, sk);
 
@@ -2841,8 +2844,10 @@ int __tcp_retransmit_skb(struct sock *sk, struct sk_buff *skb, int segs)
                 nskb = __pskb_copy(skb, MAX_TCP_HEADER, GFP_ATOMIC);
                 err = nskb ? tcp_transmit_skb(sk, nskb, 0, GFP_ATOMIC) :
                              -ENOBUFS;
-                if (!err)
+                if (!err) {
                         skb->skb_mstamp = tp->tcp_mstamp;
+                        tcp_rate_skb_sent(sk, skb);
+                }
         } else {
                 err = tcp_transmit_skb(sk, skb, 1, GFP_ATOMIC);
         }
@@ -3175,13 +3180,8 @@ struct sk_buff *tcp_make_synack(const struct sock *sk, struct dst_entry *dst,
         th->source = htons(ireq->ir_num);
         th->dest = ireq->ir_rmt_port;
         skb->mark = ireq->ir_mark;
-        /* Setting of flags are superfluous here for callers (and ECE is
-         * not even correctly set)
-         */
-        tcp_init_nondata_skb(skb, tcp_rsk(req)->snt_isn,
-                             TCPHDR_SYN | TCPHDR_ACK);
-
-        th->seq = htonl(TCP_SKB_CB(skb)->seq);
+        skb->ip_summed = CHECKSUM_PARTIAL;
+        th->seq = htonl(tcp_rsk(req)->snt_isn);
         /* XXX data is queued and acked as is. No buffer/window check */
         th->ack_seq = htonl(tcp_rsk(req)->rcv_nxt);