diff --git a/include/net/tcp.h b/include/net/tcp.h index d66ac76a33d1298e48bb9dcef217beaedc8a7968..68ee02523b873db037aa9d6707edb14592e763fd 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -1558,7 +1558,7 @@ struct tcp_md5sig_key *tcp_v4_md5_lookup(const struct sock *sk, #ifdef CONFIG_TCP_MD5SIG #include <linux/jump_label.h> -extern struct static_key tcp_md5_needed; +extern struct static_key_false tcp_md5_needed; struct tcp_md5sig_key *__tcp_md5_do_lookup(const struct sock *sk, const union tcp_md5_addr *addr, int family); @@ -1567,7 +1567,7 @@ tcp_md5_do_lookup(const struct sock *sk, const union tcp_md5_addr *addr, int family) { - if (!static_key_false(&tcp_md5_needed)) + if (!static_branch_unlikely(&tcp_md5_needed)) return NULL; return __tcp_md5_do_lookup(sk, addr, family); } diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index e2fa6eb9f81aa0244ea05d99e2870a3d9294673b..ad07dd71063da09843ccfbd3e00d3f41567e1205 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -3699,7 +3699,7 @@ bool tcp_alloc_md5sig_pool(void) if (!tcp_md5sig_pool_populated) { __tcp_alloc_md5sig_pool(); if (tcp_md5sig_pool_populated) - static_key_slow_inc(&tcp_md5_needed); + static_branch_inc(&tcp_md5_needed); } mutex_unlock(&tcp_md5sig_mutex); diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 4010ae3644f3101d01ee984c21256ca381588a3e..831d844a27ca20b52d590e17cb3eb2b2f8a697ce 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -973,7 +973,7 @@ static void tcp_v4_reqsk_destructor(struct request_sock *req) * We need to maintain these in the sk structure. */ -struct static_key tcp_md5_needed __read_mostly; +DEFINE_STATIC_KEY_FALSE(tcp_md5_needed); EXPORT_SYMBOL(tcp_md5_needed); /* Find the Key structure for an address. */ diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index e72aa0ff5785f177eb28ba8a3e4714997e58f35b..91f5cc5a3f88953da1043d051af9c5971c6006de 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -597,7 +597,7 @@ static unsigned int tcp_syn_options(struct sock *sk, struct sk_buff *skb, *md5 = NULL; #ifdef CONFIG_TCP_MD5SIG - if (static_key_false(&tcp_md5_needed) && + if (static_branch_unlikely(&tcp_md5_needed) && rcu_access_pointer(tp->md5sig_info)) { *md5 = tp->af_specific->md5_lookup(sk, sk); if (*md5) { @@ -734,7 +734,7 @@ static unsigned int tcp_established_options(struct sock *sk, struct sk_buff *skb *md5 = NULL; #ifdef CONFIG_TCP_MD5SIG - if (static_key_false(&tcp_md5_needed) && + if (static_branch_unlikely(&tcp_md5_needed) && rcu_access_pointer(tp->md5sig_info)) { *md5 = tp->af_specific->md5_lookup(sk, sk); if (*md5) {