{"id":831023,"url":"http://patchwork.ozlabs.org/api/1.2/patches/831023/?format=json","web_url":"http://patchwork.ozlabs.org/project/netdev/patch/20171027012443.3306-14-xiyou.wangcong@gmail.com/","project":{"id":7,"url":"http://patchwork.ozlabs.org/api/1.2/projects/7/?format=json","name":"Linux network development","link_name":"netdev","list_id":"netdev.vger.kernel.org","list_email":"netdev@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20171027012443.3306-14-xiyou.wangcong@gmail.com>","list_archive_url":null,"date":"2017-10-27T01:24:40","name":"[net,13/16] net_sched: add rtnl assertion to tcf_exts_destroy()","commit_ref":null,"pull_url":null,"state":"accepted","archived":true,"hash":"4ea29d2895b778fdd7fa3c9471a3ea9bafa31051","submitter":{"id":211,"url":"http://patchwork.ozlabs.org/api/1.2/people/211/?format=json","name":"Cong Wang","email":"xiyou.wangcong@gmail.com"},"delegate":{"id":34,"url":"http://patchwork.ozlabs.org/api/1.2/users/34/?format=json","username":"davem","first_name":"David","last_name":"Miller","email":"davem@davemloft.net"},"mbox":"http://patchwork.ozlabs.org/project/netdev/patch/20171027012443.3306-14-xiyou.wangcong@gmail.com/mbox/","series":[{"id":10472,"url":"http://patchwork.ozlabs.org/api/1.2/series/10472/?format=json","web_url":"http://patchwork.ozlabs.org/project/netdev/list/?series=10472","date":"2017-10-27T01:24:27","name":"net_sched: fix races with RCU callbacks","version":1,"mbox":"http://patchwork.ozlabs.org/series/10472/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/831023/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/831023/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"patchwork-incoming@ozlabs.org","Delivered-To":"patchwork-incoming@ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=netdev-owner@vger.kernel.org;\n\treceiver=)","ozlabs.org; dkim=pass (2048-bit key;\n\tunprotected) header.d=gmail.com header.i=@gmail.com\n\theader.b=\"ZKlSg81f\"; dkim-atps=neutral"],"Received":["from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3yNR694jfbz9t2h\n\tfor ;\n\tFri, 27 Oct 2017 12:26:09 +1100 (AEDT)","(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S932514AbdJ0B0I (ORCPT );\n\tThu, 26 Oct 2017 21:26:08 -0400","from mail-pf0-f195.google.com ([209.85.192.195]:45039 \"EHLO\n\tmail-pf0-f195.google.com\" rhost-flags-OK-OK-OK-OK) by vger.kernel.org\n\twith ESMTP id S932414AbdJ0BZP (ORCPT\n\t); Thu, 26 Oct 2017 21:25:15 -0400","by mail-pf0-f195.google.com with SMTP id x7so3784466pfa.1\n\tfor ; Thu, 26 Oct 2017 18:25:15 -0700 (PDT)","from tw-172-25-30-113.office.twttr.net ([8.25.197.25])\n\tby smtp.gmail.com with ESMTPSA id\n\tb16sm13211973pfe.58.2017.10.26.18.25.12\n\t(version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256);\n\tThu, 26 Oct 2017 18:25:13 -0700 (PDT)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=gmail.com; s=20161025;\n\th=from:to:cc:subject:date:message-id:in-reply-to:references;\n\tbh=uIn0A9T4QwIHgukC6WokQCAn/Js464c+zFUmVIVaTF0=;\n\tb=ZKlSg81fAHiqjpxa7BW1C2+P55U9pJ41EKOkehJPj2fubUQ5huCv71+B1z64n0R+AI\n\tbdiYgsW4H8WaPyhhbjWbugQJm+fSARk5Zx0DP7QDNxIWc9BtZaqwnRRlIjg2rd7dtmwG\n\t+WVqmYpJC50NV06xpnP0drjwnXWaNuwNEYAzKru1IkDoq1uOlA7qkQ9+IMzse+MQGPAV\n\txaZR/kLDFkw5TjV2QST21OJIvh+VghwqDnEFjiSGum1RGLOmQU9kT5kgI2Rjm2eoDLoe\n\tdzHLo/J3DMntEoyptB8pNwwWO27j+EkbeOt7d7/lYHadK92vw7u+CM1tCSIIAP1yYe7P\n\tWPkg==","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to\n\t:references;\n\tbh=uIn0A9T4QwIHgukC6WokQCAn/Js464c+zFUmVIVaTF0=;\n\tb=Av+3Mbi+MrwVjH7+VME/CxJPfm1+6FG12AdKakC6lj2kuggvfEG+a2Y/xLyfFnvLID\n\t/4LiKhspHO0slyQxgENX+4M5JhreeLeJMsk415tstfsIO7aOEs7rbsmRhM86BgaPBh9r\n\tDbIds5ySeHGLbE/ErtI4SDKlENXb4CPXCrMHD9SZgIVP3AFEnjjIkgxox6OF4rb/gSdT\n\th5hU/ByyaJ1WTbJQH/Pt9wSoRy0TWPdKSJ6OPsILWP56Z8OWbN7JXCm9qs8Ej7PBS0jT\n\th4SB6FwUCWijIsCtYTDyg0vHpfCy1oiKd628cyAG1vMjkUYoGFljqMHfzGi3cbe99Utx\n\tNIgQ==","X-Gm-Message-State":"AMCzsaVwsXNLTGLIuFbKFx0cGTo4PnoVX8I71Nm/SN7sZwSmCzLrI4YR\n\tuW54l1a9Bcc1XGthq0sdLB/m831S","X-Google-Smtp-Source":"ABhQp+QEtL0ntoolKnbbr/GBFoJ0Z0i8xm4CqUn4m75Gs1bsoLHGKdiN+yXq6USLun/BAV2HcHrxxw==","X-Received":"by 10.101.75.7 with SMTP id r7mr6608699pgq.133.1509067513945;\n\tThu, 26 Oct 2017 18:25:13 -0700 (PDT)","From":"Cong Wang ","To":"netdev@vger.kernel.org","Cc":"Chris Mi , Cong Wang ,\n\tDaniel Borkmann , Jiri Pirko ,\n\tJohn Fastabend ,\n\tJamal Hadi Salim ,\n\t\"Paul E. McKenney\" ","Subject":"[Patch net 13/16] net_sched: add rtnl assertion to\n\ttcf_exts_destroy()","Date":"Thu, 26 Oct 2017 18:24:40 -0700","Message-Id":"<20171027012443.3306-14-xiyou.wangcong@gmail.com>","X-Mailer":"git-send-email 2.9.4","In-Reply-To":"<20171027012443.3306-1-xiyou.wangcong@gmail.com>","References":"<20171027012443.3306-1-xiyou.wangcong@gmail.com>","Sender":"netdev-owner@vger.kernel.org","Precedence":"bulk","List-ID":"","X-Mailing-List":"netdev@vger.kernel.org"},"content":"After previous patches, it is now safe to claim that\ntcf_exts_destroy() is always called with RTNL lock.\n\nCc: Daniel Borkmann \nCc: Jiri Pirko \nCc: John Fastabend \nCc: Jamal Hadi Salim \nCc: \"Paul E. McKenney\" \nSigned-off-by: Cong Wang \n---\n net/sched/cls_api.c | 1 +\n 1 file changed, 1 insertion(+)","diff":"diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c\nindex 045d13679ad6..231181c602ed 100644\n--- a/net/sched/cls_api.c\n+++ b/net/sched/cls_api.c\n@@ -909,6 +909,7 @@ void tcf_exts_destroy(struct tcf_exts *exts)\n #ifdef CONFIG_NET_CLS_ACT\n \tLIST_HEAD(actions);\n \n+\tASSERT_RTNL();\n \ttcf_exts_to_list(exts, &actions);\n \ttcf_action_destroy(&actions, TCA_ACT_UNBIND);\n \tkfree(exts->actions);\n","prefixes":["net","13/16"]}