From 15898a011b3d0390869f31167c4403835bc04954 Mon Sep 17 00:00:00 2001 From: Kirill Tkhai Date: Tue, 13 Feb 2018 12:28:33 +0300 Subject: net: Convert uevent_net_ops 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 Acked-by: Andrei Vagin Signed-off-by: David S. Miller --- lib/kobject_uevent.c | 1 + 1 file changed, 1 insertion(+) diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c index 9fe6ec8fda28..9539d7ab3ea8 100644 --- a/lib/kobject_uevent.c +++ b/lib/kobject_uevent.c @@ -650,6 +650,7 @@ found: static struct pernet_operations uevent_net_ops = { .init = uevent_net_init, .exit = uevent_net_exit, + .async = true, }; static int __init kobject_uevent_init(void) -- cgit v1.2.3