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| author | Johannes Berg <johannes@sipsolutions.net> | 2009-07-10 13:51:33 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-07-13 01:03:25 +0400 |
| commit | 11a28d373ed2539a110d56419457e2e7db221ac7 (patch) | |
| tree | d1460cb057299c89ff34b20821e30c8bfc7e589a /include | |
| parent | 6c04bb18ddd633b7feac2c8fe2ae0bf61d20ca7a (diff) | |
| download | linux-11a28d373ed2539a110d56419457e2e7db221ac7.tar.xz | |
net: make namespace iteration possible under RCU
All we need to take care of is using proper RCU list
add/del primitives and inserting a synchronize_rcu()
at one place to make sure the exit notifiers are run
after everybody has stopped iterating the list.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/net/net_namespace.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h index ded434b032a4..b34a6ee73754 100644 --- a/include/net/net_namespace.h +++ b/include/net/net_namespace.h @@ -208,6 +208,9 @@ static inline struct net *read_pnet(struct net * const *pnet) #define for_each_net(VAR) \ list_for_each_entry(VAR, &net_namespace_list, list) +#define for_each_net_rcu(VAR) \ + list_for_each_entry_rcu(VAR, &net_namespace_list, list) + #ifdef CONFIG_NET_NS #define __net_init #define __net_exit |