linux-kernel - [PATCH RFC 22/25] net: Move subsys_initcall() registered pernet_operations from net/sched to pernet

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Message-ID: <151094344496.20009.9608805382234734305.stgit@localhost.localdomain>
Date:   Fri, 17 Nov 2017 21:30:44 +0300
From:   Kirill Tkhai <ktkhai@...tuozzo.com>
To:     davem@...emloft.net, vyasevic@...hat.com,
        kstewart@...uxfoundation.org, pombredanne@...b.com,
        vyasevich@...il.com, mark.rutland@....com,
        gregkh@...uxfoundation.org, adobriyan@...il.com, fw@...len.de,
        nicolas.dichtel@...nd.com, xiyou.wangcong@...il.com,
        roman.kapl@...go.com, paul@...l-moore.com, dsahern@...il.com,
        daniel@...earbox.net, lucien.xin@...il.com,
        mschiffer@...verse-factory.net, rshearma@...cade.com,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        ktkhai@...tuozzo.com, ebiederm@...ssion.com, avagin@...tuozzo.com,
        gorcunov@...tuozzo.com, eric.dumazet@...il.com,
        stephen@...workplumber.org, ktkhai@...tuozzo.com
Subject: [PATCH RFC 22/25] net: Move subsys_initcall() registered
 pernet_operations from net/sched to pernet_sys list

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, move them to pernet_sys list.

Signed-off-by: Kirill Tkhai <ktkhai@...tuozzo.com>
---
 net/sched/act_api.c |    2 +-
 net/sched/sch_api.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 4d33a50a8a6d..f1de2146e6e0 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -1470,7 +1470,7 @@ static int __init tc_action_init(void)
 {
 	int err;
 
-	err = register_pernet_subsys(&tcf_action_net_ops);
+	err = register_pernet_sys(&tcf_action_net_ops);
 	if (err)
 		return err;
 
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index b6c4f536876b..68938ca4bbe1 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -2008,7 +2008,7 @@ static int __init pktsched_init(void)
 {
 	int err;
 
-	err = register_pernet_subsys(&psched_net_ops);
+	err = register_pernet_sys(&psched_net_ops);
 	if (err) {
 		pr_err("pktsched_init: "
 		       "cannot initialize per netns operations\n");