inet: convert inet_ehash_secret and ipv6_hash_secret to net_get_random_once
authorHannes Frederic Sowa <hannes@stressinduktion.org>
Sat, 19 Oct 2013 19:48:57 +0000 (21:48 +0200)
committerDavid S. Miller <davem@davemloft.net>
Sat, 19 Oct 2013 23:45:35 +0000 (19:45 -0400)
commit1bbdceef1e535add893bf71d7b7ab102e4eb69eb
treee2eed21c778d0a6458f8350ce5f6fbfc6c58810e
parentb23a002fc6f0c19846ee0382f019429af54a27e9
inet: convert inet_ehash_secret and ipv6_hash_secret to net_get_random_once

Initialize the ehash and ipv6_hash_secrets with net_get_random_once.

Each compilation unit gets its own secret now:
  ipv4/inet_hashtables.o
  ipv4/udp.o
  ipv6/inet6_hashtables.o
  ipv6/udp.o
  rds/connection.o

The functions still get inlined into the hashing functions. In the fast
path we have at most two (needed in ipv6) if (unlikely(...)).

Cc: Eric Dumazet <edumazet@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/net/inet_sock.h
net/ipv4/af_inet.c
net/ipv4/inet_hashtables.c
net/ipv4/udp.c
net/ipv6/af_inet6.c
net/ipv6/inet6_hashtables.c
net/ipv6/udp.c
net/rds/connection.c