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tcp/dccp: remove BH disable/enable in lookup

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Since linux 2.6.29, lookups only use rcu locking.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2016-04-01 08:52:14 -07:00 committed by David S. Miller
parent ca065d0cf8
commit ee3cf32a4a
2 changed files with 1 additions and 8 deletions
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7
include/net/inet_hashtables.h
View File

@ -280,11 +280,8 @@ static inline struct sock *inet_lookup_listener(struct net *net,
net_eq(sock_net(__sk), (__net)))
#endif /* 64-bit arch */
/*
* Sockets in TCP_CLOSE state are _always_ taken out of the hash, so we need
/* Sockets in TCP_CLOSE state are _always_ taken out of the hash, so we need
* not check it for lookups anymore, thanks Alexey. -DaveM
*
* Local BH must be disabled here.
*/
struct sock *__inet_lookup_established(struct net *net,
struct inet_hashinfo *hashinfo,
@ -326,10 +323,8 @@ static inline struct sock *inet_lookup(struct net *net,
{
struct sock *sk;
local_bh_disable();
sk = __inet_lookup(net, hashinfo, skb, doff, saddr, sport, daddr,
dport, dif);
local_bh_enable();
return sk;
}

2
net/ipv6/inet6_hashtables.c
View File

@ -200,10 +200,8 @@ struct sock *inet6_lookup(struct net *net, struct inet_hashinfo *hashinfo,
{
struct sock *sk;
local_bh_disable();
sk = __inet6_lookup(net, hashinfo, skb, doff, saddr, sport, daddr,
ntohs(dport), dif);
local_bh_enable();
return sk;
}