[PATCH net-next v3 20/32] net: Convert subsys_initcall() registered pernet_operations from net/sched

Kirill Tkhai
2018-02-13T09:29:21Z

psched_net_ops only creates and destroyes /proc entry,
and safe to be executed in parallel with any foreigh
pernet_operations.

tcf_action_net_ops initializes and destructs tcf_action_net::egdev_ht,
which is not touched by foreign pernet_operations.

So, make them async.

Signed-off-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Acked-by: Andrei Vagin <avagin@virtuozzo.com>
---
net/sched/act_api.c | 1 +
net/sched/sch_api.c | 1 +
2 files changed, 2 insertions(+)

diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index eba6682727dd..4886ea4a7d6e 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -1454,6 +1454,7 @@ static struct pernet_operations tcf_action_net_ops = {
.exit = tcf_action_net_exit,
.id = &tcf_action_net_id,
.size = sizeof(struct tcf_action_net),
+ .async = true,
};

static int __init tc_action_init(void)
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index d512f49ee83c..27e672c12492 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -2128,6 +2128,7 @@ static void __net_exit psched_net_exit(struct net *net)
static struct pernet_operations psched_net_ops = {
.init = psched_net_init,
.exit = psched_net_exit,
+ .async = true,
};

static int __init pktsched_init(void)