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=-11.7 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 autolearn=unavailable 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 7344FC433B4 for ; Tue, 11 May 2021 23:07:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 455A361626 for ; Tue, 11 May 2021 23:07:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230009AbhEKXI3 (ORCPT ); Tue, 11 May 2021 19:08:29 -0400 Received: from mail.kernel.org ([198.145.29.99]:45114 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229637AbhEKXI1 (ORCPT ); Tue, 11 May 2021 19:08:27 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id CF15061624; Tue, 11 May 2021 23:07:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1620774440; bh=yzKPT+7LtDzUJiDRdgdlRvVzoGZDchUlGAgsxE7hcEc=; h=Date:From:To:Cc:Subject:Reply-To:From; b=qhW7gBt495rh+Mkjzq6Ezn2Gw+T5ah9bcw1Ytra1YZw+z3DaEEFVpwprKIsPLR41T XYqC8iKqrq9EetDqSlmRDbHclnZ1uKk7MQk64gO3jUjVul4LbpALi2rH+Izti3YK0X xPDHV8hIT6x09in8tcq9MsY4CDiqn7K1VlAFROCcPOaoi9gi4Y7w3oSGPJFi/WLgtu bqukGt5j5w4AiVKJQPFp8YENyH8/kQSlzLu/ywi94hQxhh3s1FSu0rGQ4BmPrwDJLp tDLcqW746qE9Pxgxc04vMwxKHjil+sBXvg5YJHszO1E+TGL7TT6LMUc/a+5VfnwCTt WP/BTnjHoQbNg== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id 6283F5C0138; Tue, 11 May 2021 16:07:20 -0700 (PDT) Date: Tue, 11 May 2021 16:07:20 -0700 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 0/6] SRCU updates for v5.14 Message-ID: <20210511230720.GA2894512@paulmck-ThinkPad-P17-Gen-1> Reply-To: paulmck@kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello! This series provides some updates for SRCU, all courtesy of Frederic Weisbecker. 1. Remove superfluous sdp->srcu_lock_count zero filling. 2. Remove superfluous ssp initialization for early callbacks. 3. Unconditionally embed struct lockdep_map. 4. Initialize SRCU after timers. 5. Fix broken node geometry after early ssp init. 6. Early test SRCU polling start. Thanx, Paul ------------------------------------------------------------------------ b/include/linux/srcu.h | 6 ++++++ b/include/linux/srcutree.h | 2 -- b/init/main.c | 2 ++ b/kernel/rcu/rcu.h | 6 ------ b/kernel/rcu/srcutree.c | 12 ++---------- b/kernel/rcu/tiny.c | 1 - b/kernel/rcu/tree.c | 1 - b/kernel/rcu/update.c | 6 +++++- kernel/rcu/rcu.h | 2 ++ kernel/rcu/srcutree.c | 9 ++++++++- kernel/rcu/tree.c | 16 +++++++++++++++- 11 files changed, 40 insertions(+), 23 deletions(-)