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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 C8234C433E0 for ; Wed, 6 Jan 2021 16:48:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 845012313B for ; Wed, 6 Jan 2021 16:48:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727556AbhAFQs3 (ORCPT ); Wed, 6 Jan 2021 11:48:29 -0500 Received: from mail.kernel.org ([198.145.29.99]:54508 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727454AbhAFQs1 (ORCPT ); Wed, 6 Jan 2021 11:48:27 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 0412023135; Wed, 6 Jan 2021 16:47:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1609951667; bh=UV0tZhfkA5omdOxfPApW2a6F+GY9ELXTOfg24VU/ocs=; h=Date:From:To:Cc:Subject:Reply-To:From; b=kRUC5uiXYnrMa6GjpOWRa6djCWhHA0qRpyplL+8Y7esFW44Bn3Rmr9uRy9aLp98gI 110LIwzeNMBjwtHG12gGpbx/Qnj2H6l5/15gA020snE1ZsDdw9O84Vj46N2GRLJ4po TXRhUN7PD08TYB3BOfME4JrCACu3BL6I5A8ww4yFioqNb2+t2UmCLlM+3ZMVYVIALx IvphIupJqEONF+P22uUbcY4iHg9J62C/6lyZXB3s9zm/imLJtuS4pkPorIHkhL0YGb rF/2ZVipLYqM12TfmH/JWbjVirCH//DB4w2CmEstW/j6jDr8lSNMD8CLlr5tb9dpHC 96LMYoh3SvT1Q== Received: by paulmck-ThinkPad-P72.home (Postfix, from userid 1000) id BB4F035225EC; Wed, 6 Jan 2021 08:47:46 -0800 (PST) Date: Wed, 6 Jan 2021 08:47:46 -0800 From: "Paul E. McKenney" To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel-team@fb.com, mingo@kernel.org, jiangshanlai@gmail.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, fweisbec@gmail.com, oleg@redhat.com, joel@joelfernandes.org Subject: [PATCH tip/core/rcu 0/3] Real-time updates for v5.12 Message-ID: <20210106164746.GA19969@paulmck-ThinkPad-P72> Reply-To: paulmck@kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.9.4 (2018-02-28) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello! This series provides some real-time enhancements: 1. Make RCU_BOOST default on CONFIG_PREEMPT_RT, courtesy of Sebastian Andrzej Siewior. 2. Unconditionally use rcuc threads on PREEMPT_RT, courtesy of Scott Wood. 3. Enable rcu_normal_after_boot unconditionally for RT, courtesy of Julia Cartwright. Thanx, Paul ------------------------------------------------------------------------ Documentation/admin-guide/kernel-parameters.txt | 11 +++++++++++ kernel/rcu/Kconfig | 4 ++-- kernel/rcu/tree.c | 4 +++- kernel/rcu/update.c | 4 +++- 4 files changed, 19 insertions(+), 4 deletions(-)