From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6C8B3C34047 for ; Wed, 19 Feb 2020 12:47:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3583F2465D for ; Wed, 19 Feb 2020 12:47:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582116435; bh=78L7q3X7/Zxk9esBo61a/shxQzMYU6nTCnPnkYfB+2E=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:List-ID: From; b=MdejMmLXvrBXzLsNY3lDtzWcWqGnolyWdPDcYxfrgRR+2/qICHgMJ0c3EGx9V1NeJ rwWlWChhjdz3fgXn8VrOgNoNyJUe2NmD0fOLtR6AqwtYG5z6N/H8Hg3G6Jp2VPo8+a SvD+AmDBDfHGzV2+zvRN0++0iEUlVQy8Tl+tpZsM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727637AbgBSMrO (ORCPT ); Wed, 19 Feb 2020 07:47:14 -0500 Received: from mail.kernel.org ([198.145.29.99]:50220 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726491AbgBSMrN (ORCPT ); Wed, 19 Feb 2020 07:47:13 -0500 Received: from paulmck-ThinkPad-P72.home (50-39-105-78.bvtn.or.frontiernet.net [50.39.105.78]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 454C024654; Wed, 19 Feb 2020 12:47:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582116433; bh=78L7q3X7/Zxk9esBo61a/shxQzMYU6nTCnPnkYfB+2E=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:From; b=hdwT7jwDCL5ZqQeaRjVdSYu3jP9wC7ywHEszxyECjNhODNCOWO/jdTrdN/TGO8Kw/ iNKq3SBrMzxKe4QcElRQHoD8SJkqLj6UKXd0KzIZM+iwcWfLUOy2jOAHx9O46Ma8Ny OcmmNN29hL1xJorshLjE+GHcL7gPtAHmxirgx1EY= Received: by paulmck-ThinkPad-P72.home (Postfix, from userid 1000) id 1E9FE35229ED; Wed, 19 Feb 2020 04:47:13 -0800 (PST) Date: Wed, 19 Feb 2020 04:47:13 -0800 From: "Paul E. McKenney" To: Johannes Berg Cc: Amol Grover , "David S . Miller" , Jakub Kicinski , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kernel-mentees@lists.linuxfoundation.org, Joel Fernandes , Madhuparna Bhowmik Subject: Re: [PATCH] cfg80211: Pass lockdep expression to RCU lists Message-ID: <20200219124713.GU2935@paulmck-ThinkPad-P72> Reply-To: paulmck@kernel.org References: <20200219091102.10709-1-frextrite@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Feb 19, 2020 at 10:13:36AM +0100, Johannes Berg wrote: > On Wed, 2020-02-19 at 14:41 +0530, Amol Grover wrote: > > > > - WARN_ON_ONCE(!rcu_read_lock_held() && !lockdep_rtnl_is_held()); > > - > > - list_for_each_entry_rcu(pos, &rdev->sched_scan_req_list, list) { > > + list_for_each_entry_rcu(pos, &rdev->sched_scan_req_list, list, > > + lockdep_rtnl_is_held()) { > > Huh, I didn't even know you _could_ do that :) It is a fairly recent addition, courtesy of Joel Fernandes. ;-) Thanx, Paul