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tcp: use this_cpu_read(*X) instead of *this_cpu_ptr(X)
this_cpu_read(*X) is slightly faster than *this_cpu_ptr(X) Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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parent
046386ca0c
commit
5472c3c6a5
1 changed files with 2 additions and 2 deletions
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@ -771,7 +771,7 @@ static void tcp_v4_send_reset(const struct sock *sk, struct sk_buff *skb)
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arg.tos = ip_hdr(skb)->tos;
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arg.tos = ip_hdr(skb)->tos;
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arg.uid = sock_net_uid(net, sk && sk_fullsock(sk) ? sk : NULL);
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arg.uid = sock_net_uid(net, sk && sk_fullsock(sk) ? sk : NULL);
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local_bh_disable();
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local_bh_disable();
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ctl_sk = *this_cpu_ptr(net->ipv4.tcp_sk);
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ctl_sk = this_cpu_read(*net->ipv4.tcp_sk);
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if (sk)
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if (sk)
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ctl_sk->sk_mark = (sk->sk_state == TCP_TIME_WAIT) ?
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ctl_sk->sk_mark = (sk->sk_state == TCP_TIME_WAIT) ?
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inet_twsk(sk)->tw_mark : sk->sk_mark;
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inet_twsk(sk)->tw_mark : sk->sk_mark;
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@ -863,7 +863,7 @@ static void tcp_v4_send_ack(const struct sock *sk,
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arg.tos = tos;
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arg.tos = tos;
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arg.uid = sock_net_uid(net, sk_fullsock(sk) ? sk : NULL);
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arg.uid = sock_net_uid(net, sk_fullsock(sk) ? sk : NULL);
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local_bh_disable();
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local_bh_disable();
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ctl_sk = *this_cpu_ptr(net->ipv4.tcp_sk);
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ctl_sk = this_cpu_read(*net->ipv4.tcp_sk);
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if (sk)
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if (sk)
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ctl_sk->sk_mark = (sk->sk_state == TCP_TIME_WAIT) ?
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ctl_sk->sk_mark = (sk->sk_state == TCP_TIME_WAIT) ?
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inet_twsk(sk)->tw_mark : sk->sk_mark;
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inet_twsk(sk)->tw_mark : sk->sk_mark;
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