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=-5.6 required=3.0 tests=BAYES_00,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 B4A6DC433E0 for ; Wed, 15 Jul 2020 14:12:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8FAF1206E9 for ; Wed, 15 Jul 2020 14:12:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594822347; bh=Sd6qj++/pkBAkKGOFyJiYesklyaJ3nNkMOOe9MXP87o=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:List-ID: From; b=rfdPj7T7VmEoU0VAWFyxNi5NB1dsI65weRD9w04ukfO3uqqdJsw6nogY5TIMZILhR +C5XRAn10rtTUByi+GxfRuSl1uTnzOvhbjNfQmF0u/GvMvYyNGdjxklbdha5o/y3/R hmAhGMcrdsgfEPMGtIcCBBmXR2bUV8zROI85yEEY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725770AbgGOOM1 (ORCPT ); Wed, 15 Jul 2020 10:12:27 -0400 Received: from mail.kernel.org ([198.145.29.99]:53230 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726821AbgGOOM1 (ORCPT ); Wed, 15 Jul 2020 10:12:27 -0400 Received: from paulmck-ThinkPad-P72.home (50-39-111-31.bvtn.or.frontiernet.net [50.39.111.31]) (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 CC1C1205CB; Wed, 15 Jul 2020 14:12:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1594822346; bh=Sd6qj++/pkBAkKGOFyJiYesklyaJ3nNkMOOe9MXP87o=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:From; b=Y6XFF7zosG3rUgD7k/npIlm0M8ZCPkRW5lg20eQBa4lgw63mAaSUffcxXPSm0vAfL esm5PvwNNUWOY9lXkF6cu2uk6ytbupHoktP+lRFjeoLXAu59RwjuQt7F1cEFh0iPvq 6FZqc3dJ41E5uJgEC7vFV39XE+ZZveJIqxncz8w8= Received: by paulmck-ThinkPad-P72.home (Postfix, from userid 1000) id B1FF23522636; Wed, 15 Jul 2020 07:12:26 -0700 (PDT) Date: Wed, 15 Jul 2020 07:12:26 -0700 From: "Paul E. McKenney" To: Uladzislau Rezki Cc: Sebastian Andrzej Siewior , mingo@kernel.org, linux-kernel@vger.kernel.org, rcu@vger.kernel.org, arnd@arndb.de, elver@google.com, ethp@qq.com, frederic@kernel.org, jbi.octave@gmail.com, joel@joelfernandes.org, lihaoliang@google.com, madhuparnabhowmik10@gmail.com, mchehab+huawei@kernel.org, peter.enderborg@sony.com, rdunlap@infradead.org, richard.weiyang@linux.alibaba.com, zou_wei@huawei.com, tglx@linutronix.de Subject: Re: [GIT PULL tip/core/rcu] RCU commits for v5.9 Message-ID: <20200715141226.GB9247@paulmck-ThinkPad-P72> Reply-To: paulmck@kernel.org References: <20200714172701.GA31369@paulmck-ThinkPad-P72> <20200714181426.hhguqzrcqdubyvae@linutronix.de> <20200714182732.GU9247@paulmck-ThinkPad-P72> <20200714201734.GA20470@pc636> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200714201734.GA20470@pc636> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: rcu-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: rcu@vger.kernel.org On Tue, Jul 14, 2020 at 10:17:34PM +0200, Uladzislau Rezki wrote: > On Tue, Jul 14, 2020 at 11:27:32AM -0700, Paul E. McKenney wrote: > > On Tue, Jul 14, 2020 at 08:14:26PM +0200, Sebastian Andrzej Siewior wrote: > > > On 2020-07-14 10:27:01 [-0700], Paul E. McKenney wrote: > > > > Joel Fernandes (Google) (5): > > > > rcu/tree: Skip entry into the page allocator for PREEMPT_RT > > > > > > If it is too late to drop this then I am going send a revert okay? > > > > I believe that Ulad and Joel are working on an update. > > > > Now that you mention it Ulad and Joel, how is this coming along? > > > Yes. I have made a proposal with dropping the lock. I do not see > any issues by doing that. I will upload a patch soon. Looking forward to seeing it! Thanx, Paul