fc766e4c4965915ab52a1d1fa3c7a7b3e7bc07f0 - linux

commit	fc766e4c4965915ab52a1d1fa3c7a7b3e7bc07f0	[log] [tgz]
author	Eric Dumazet <eric.dumazet@gmail.com>	Fri Oct 29 03:09:24 2010 +0000
committer	David S. Miller <davem@davemloft.net>	Mon Nov 08 13:50:08 2010 -0800
tree	d45160f52eea37d4e5149d511c3c577bef253801
parent	e4a7b93bd5d84e1e79917d024d17d745d190fc9a [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>

include/linux/netdevice.h[diff]
include/net/dn_dev.h[diff]
include/net/dst.h[diff]
net/decnet/af_decnet.c[diff]
net/decnet/dn_dev.c[diff]
net/decnet/dn_fib.c[diff]
net/decnet/dn_neigh.c[diff]
net/decnet/dn_route.c[diff]

8 files changed

tree: d45160f52eea37d4e5149d511c3c577bef253801