From patchwork Tue Feb 13 09:29:13 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kirill Tkhai X-Patchwork-Id: 872692 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=virtuozzo.com header.i=@virtuozzo.com header.b="XaOxj+H3"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3zgcgW3qvcz9sNr for ; Tue, 13 Feb 2018 20:29:27 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934601AbeBMJ3Y (ORCPT ); Tue, 13 Feb 2018 04:29:24 -0500 Received: from mail-eopbgr20116.outbound.protection.outlook.com ([40.107.2.116]:60151 "EHLO EUR02-VE1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S934596AbeBMJ3V (ORCPT ); Tue, 13 Feb 2018 04:29:21 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=virtuozzo.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version; bh=ZBlUWbnlIkdt2ukG4mF7hsYVLgWUWoPoY6tbF7kstNI=; b=XaOxj+H3UtqRPxnZLMi8NP8TXI1ovT/WufmWmwjegXDnnCOUfOuneXtL6o1WZl0B4i5CPuwD3/JJcwgTW0kzGPdLC0ONHk0ahkUbZb4aGtCCY7kgeR7QaRt2hrCtK1rF70gVGHNe8OSrYidAVy4/0bWrutiaz9pQ7ZhKVs8KR14= Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=ktkhai@virtuozzo.com; Received: from localhost.localdomain (195.214.232.6) by DB6PR0801MB1333.eurprd08.prod.outlook.com (2603:10a6:4:a::27) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P256) id 15.20.506.18; Tue, 13 Feb 2018 09:29:16 +0000 Subject: [PATCH net-next v3 20/32] net: Convert subsys_initcall() registered pernet_operations from net/sched From: Kirill Tkhai To: davem@davemloft.net, vyasevic@redhat.com, kstewart@linuxfoundation.org, pombredanne@nexb.com, vyasevich@gmail.com, mark.rutland@arm.com, gregkh@linuxfoundation.org, adobriyan@gmail.com, fw@strlen.de, nicolas.dichtel@6wind.com, xiyou.wangcong@gmail.com, roman.kapl@sysgo.com, paul@paul-moore.com, dsahern@gmail.com, daniel@iogearbox.net, lucien.xin@gmail.com, mschiffer@universe-factory.net, rshearma@brocade.com, netdev@vger.kernel.org, ktkhai@virtuozzo.com, ebiederm@xmission.com, avagin@virtuozzo.com, gorcunov@virtuozzo.com, eric.dumazet@gmail.com, stephen@networkplumber.org, ktkhai@virtuozzo.com Date: Tue, 13 Feb 2018 12:29:13 +0300 Message-ID: <151851415322.5034.4627204249220992452.stgit@localhost.localdomain> In-Reply-To: <151851357738.5034.10272265431844825686.stgit@localhost.localdomain> References: <151851357738.5034.10272265431844825686.stgit@localhost.localdomain> User-Agent: StGit/0.18 MIME-Version: 1.0 X-Originating-IP: [195.214.232.6] X-ClientProxiedBy: HE1PR0502CA0023.eurprd05.prod.outlook.com (2603:10a6:3:e3::33) To DB6PR0801MB1333.eurprd08.prod.outlook.com (2603:10a6:4:a::27) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 578b8144-5127-4ba3-1749-08d572c441b7 X-Microsoft-Antispam: UriScan:; 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DB6PR0801MB1333; 20:f4kajJ9p0xnNsmA+IS6yQ01kWBtvqsZhmB5J2Qgd2IF6av6pMlxQVVwde9004jxo372jvkAmxIIUwsnZ7BVs1S3QF4ly5XfYYrV94+HUyKCWYFGmtHTCOTEcPs6RXwK7/tyattHM5/sal55flAOedUMOBLDWtgv5NB26qUPMcFA= X-OriginatorOrg: virtuozzo.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Feb 2018 09:29:16.4154 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 578b8144-5127-4ba3-1749-08d572c441b7 X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 0bc7f26d-0264-416e-a6fc-8352af79c58f X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB6PR0801MB1333 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org 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 Acked-by: Andrei Vagin --- 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)