Received: by 2002:a25:1506:0:0:0:0:0 with SMTP id 6csp868764ybv; Wed, 19 Feb 2020 10:56:19 -0800 (PST) X-Google-Smtp-Source: APXvYqxuoVqNKllaayGnKPsUZ3O2SZAPGAY3wOoG4rqyCXVitFVKKH9GKccA8yUngaQnjLfIm6G9 X-Received: by 2002:a9d:6e0d:: with SMTP id e13mr6211098otr.316.1582138579011; Wed, 19 Feb 2020 10:56:19 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1582138579; cv=none; d=google.com; s=arc-20160816; b=tq4xlYZPM9FO/g945RuwoeFqxyi8lzNrjBKMTcTtrHpcKXH96Sz7LB+C7/bRj9LxVN dhXy7dHnsOZx5aRcEW5yNHQ/cJt8f9yZbxm2JAZSmhGSxJXofPm2rV6Udc1UBucmWQSS 9mKaB5c0SyT+xNv5fr6G3pFAFKJuqaeCB9z1u20phMyIlGgY2v0ucy7RnzYF53qqEo2O T4DtwvT0EktQ18HG50oWEHkL3D8FujmwNNk+UGpM56USPivF3/GtOv0aZp7LQ6PT6UV4 4eMUW0CXWsNrW7yScaa/hullxw8cZk2WjUgzZGN2fDU5MrqnkFLCyMk29xuDu3+8XoFK y0Ig== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:from:subject:cc:to:message-id:date; bh=H0j1ylNJ4jeIdOJzox0/5uIXG4Pw0pFsmXYiiEaksy8=; b=09MDpojyntre4fptDv+926DUn6Si5vpWFFgMZLbFHM6fk4FtUrxjjUsaiOwXLEJ3oB EDZiZZQeIuDsahdK+J4nnU65FRJ9vUboRJ0mvmTLgeYoajakig+i4LliyIiVZzxpNXCc RkyuirdpzNmXsZ/6Z7qv3L2+zcdx8zgHmrvPUTVSzOlCUEserL874+k4980UVdrczbJD 4t/H6pKaouVm7D/7IBtrPqw7i+z2h6TX/h5awuAmvpesAENG41piXrlUx9q0XaozF3I2 7hVg/Piw4HTr9ft6ectJOOAHl4cYPjt2kHls/oynzZfsg7j8jkOyUIgqKyKbaDmKExBn NYtw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id e7si298811otr.183.2020.02.19.10.56.06; Wed, 19 Feb 2020 10:56:18 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726823AbgBSS4A (ORCPT + 99 others); Wed, 19 Feb 2020 13:56:00 -0500 Received: from shards.monkeyblade.net ([23.128.96.9]:46324 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726703AbgBSS4A (ORCPT ); Wed, 19 Feb 2020 13:56:00 -0500 Received: from localhost (unknown [IPv6:2601:601:9f00:477::3d5]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) (Authenticated sender: davem-davemloft) by shards.monkeyblade.net (Postfix) with ESMTPSA id 5FE7A15ADF43E; Wed, 19 Feb 2020 10:55:59 -0800 (PST) Date: Wed, 19 Feb 2020 10:55:58 -0800 (PST) Message-Id: <20200219.105558.92909916426467093.davem@davemloft.net> To: frextrite@gmail.com Cc: kuba@kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kernel-mentees@lists.linuxfoundation.org, joel@joelfernandes.org, madhuparnabhowmik10@gmail.com, paulmck@kernel.org Subject: Re: [PATCH RESEND] net: hsr: Pass lockdep expression to RCU lists From: David Miller In-Reply-To: <20200219100010.23264-1-frextrite@gmail.com> References: <20200219100010.23264-1-frextrite@gmail.com> X-Mailer: Mew version 6.8 on Emacs 26.1 Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Wed, 19 Feb 2020 10:55:59 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Amol Grover Date: Wed, 19 Feb 2020 15:30:11 +0530 > node_db is traversed using list_for_each_entry_rcu > outside an RCU read-side critical section but under the protection > of hsr->list_lock. > > Hence, add corresponding lockdep expression to silence false-positive > warnings, and harden RCU lists. > > Signed-off-by: Amol Grover > --- > Resend: > - Remove failed delivery recipients Applied.