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authorEric Dumazet <eric.dumazet@gmail.com>2010-10-28 23:09:24 -0400
committerDavid S. Miller <davem@davemloft.net>2010-11-08 16:50:08 -0500
commitfc766e4c4965915ab52a1d1fa3c7a7b3e7bc07f0 (patch)
treed45160f52eea37d4e5149d511c3c577bef253801 /include/linux/netdevice.h
parente4a7b93bd5d84e1e79917d024d17d745d190fc9a (diff)
decnet: RCU conversion and get rid of dev_base_lock
While tracking dev_base_lock users, I found decnet used it in dnet_select_source(), but for a wrong purpose: Writers only hold RTNL, not dev_base_lock, so readers must use RCU if they cannot use RTNL. Adds an rcu_head in struct dn_ifaddr and handle proper RCU management. Adds __rcu annotation in dn_route as well. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Steven Whitehouse <swhiteho@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/netdevice.h')
-rw-r--r--include/linux/netdevice.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index d8fd2c23a1b9..578debb801f4 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -951,7 +951,7 @@ struct net_device {
951#endif 951#endif
952 void *atalk_ptr; /* AppleTalk link */ 952 void *atalk_ptr; /* AppleTalk link */
953 struct in_device __rcu *ip_ptr; /* IPv4 specific data */ 953 struct in_device __rcu *ip_ptr; /* IPv4 specific data */
954 void *dn_ptr; /* DECnet specific data */ 954 struct dn_dev __rcu *dn_ptr; /* DECnet specific data */
955 struct inet6_dev __rcu *ip6_ptr; /* IPv6 specific data */ 955 struct inet6_dev __rcu *ip6_ptr; /* IPv6 specific data */
956 void *ec_ptr; /* Econet specific data */ 956 void *ec_ptr; /* Econet specific data */
957 void *ax25_ptr; /* AX.25 specific data */ 957 void *ax25_ptr; /* AX.25 specific data */