Messages in this thread Patch in this message | | | Subject | [PATCH v2 16/31] net: Convert uevent_net_ops | From | Kirill Tkhai <> | Date | Mon, 20 Nov 2017 21:34:42 +0300 |
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uevent_net_init() and uevent_net_exit() create and destroy netlink socket, and these actions serialized in netlink code.
Parallel execution with other pernet_operations makes the socket disappear earlier from uevent_sock_list on ->exit. As userspace can't be interested in broadcast messages of dying net, and, as I see, no one in kernel listen them, we may safely make uevent_net_ops async.
Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com> --- lib/kobject_uevent.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c index c3e84edc47c9..4a2c39ae1e65 100644 --- a/lib/kobject_uevent.c +++ b/lib/kobject_uevent.c @@ -643,6 +643,7 @@ static void uevent_net_exit(struct net *net) static struct pernet_operations uevent_net_ops = { .init = uevent_net_init, .exit = uevent_net_exit, + .async = true, }; static int __init kobject_uevent_init(void)
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