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[net-next,v3,07/32] net: Convert net_ns_ops methods

Message ID 151851402342.5034.7010200729353404413.stgit@localhost.localdomain
State Accepted, archived
Delegated to: David Miller
Headers show
Series Replacing net_mutex with rw_semaphore | expand

Commit Message

Kirill Tkhai Feb. 13, 2018, 9:27 a.m. UTC 
This patch starts to convert pernet_subsys, registered
from pure initcalls.

net_ns_ops::net_ns_net_init/net_ns_net_init, methods use only
ida_simple_* functions, which are not need a synchronization.
They are synchronized by idr subsystem.

So, net_ns_ops methods are able to be executed
in parallel with methods of other pernet operations.

Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Acked-by: Andrei Vagin <avagin@virtuozzo.com>
---
 net/core/net_namespace.c |    1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 2a01ff32d9c7..e21c564c8c00 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -649,6 +649,7 @@  static __net_exit void net_ns_net_exit(struct net *net)
 static struct pernet_operations __net_initdata net_ns_ops = {
 	.init = net_ns_net_init,
 	.exit = net_ns_net_exit,
+	.async = true,
 };
 
 static const struct nla_policy rtnl_net_policy[NETNSA_MAX + 1] = {