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=-16.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,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 32E3FC433F5 for ; Thu, 16 Sep 2021 17:26:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1C78D6120E for ; Thu, 16 Sep 2021 17:26:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352736AbhIPR12 (ORCPT ); Thu, 16 Sep 2021 13:27:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:41020 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1351467AbhIPRRY (ORCPT ); Thu, 16 Sep 2021 13:17:24 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 10BBD61B5F; Thu, 16 Sep 2021 16:40:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1631810438; bh=sTifjE5aoQHT9IENncf6l5QV7jqLPD4tygDnE4TPoEc=; h=Date:From:To:Cc:Subject:Reply-To:References:In-Reply-To:From; b=XcNQuRulG0Bz8OhygC96xsjCzNwD+tMlXDH123iAu1uyCAow6QoZnHRvwEORU+wBv lXRPD1afWir0uqFtaeaDdFMof4FT2pAHn6+ZzZhQH04gIVfgiQstjyMz/R3EeC6yDY 7ecaNkR1grB7C9pGJpFNIIfzXc9ISdRUQWZ0naZ6eKmrPnuEIaGwI6/qy5Wtrl8kvQ fRdv2YDxX40U90/+klu9bsWGTEA4XXcvhY+b0O99FX3FOTP/X4IwdquhpV6fNiinA4 vt36V+hbr86c2BFwxeoWGo8S8rbO4XdrxyIk2II96mNEyUKFqHGyNP0NM/JE6Ol0G0 7SKgo//umQwCg== Received: by paulmck-ThinkPad-P17-Gen-1.home (Postfix, from userid 1000) id CCF9A5C028C; Thu, 16 Sep 2021 09:40:37 -0700 (PDT) Date: Thu, 16 Sep 2021 09:40:37 -0700 From: "Paul E. McKenney" To: Frederic Weisbecker Cc: LKML , rcu@vger.kernel.org, urezki@gmail.com, boqun.feng@gmail.com, Neeraj Upadhyay , joel@joelfernandes.org Subject: Re: [PATCH 0/4] rcu: Unify a bit [non-]PREEMPT expedited quiescent state report Message-ID: <20210916164037.GE4156@paulmck-ThinkPad-P17-Gen-1> Reply-To: paulmck@kernel.org References: <20210916121048.36623-1-frederic@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210916121048.36623-1-frederic@kernel.org> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Sep 16, 2021 at 02:10:44PM +0200, Frederic Weisbecker wrote: > This eventually removes rcu_data.exp_deferred_qs to use > rcu_data.cpu no_qs.b.exp instead. > > For those like me who need a headlamp to walk there: https://ibb.co/3d06r0V Can't have too many headlamps with this code! ;-) Thanx, Paul > git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git > rcu/dev > > HEAD: 7d9d8a0c6141f95cbac4367b12e755bfabb383ee > > Thanks, > Frederic > --- > > Frederic Weisbecker (4): > rcu: Ignore rdp.cpu_no_qs.b.exp on premptible RCU's rcu_qs() > rcu: Remove useless WRITE_ONCE() on rcu_data.exp_deferred_qs > rcu: Move rcu_data.cpu_no_qs.b.exp reset to rcu_export_exp_rdp() > rcu: Remove rcu_data.exp_deferred_qs and convert to rcu_data.cpu no_qs.b.exp > > > kernel/rcu/tree.h | 1 - > kernel/rcu/tree_exp.h | 6 +++--- > kernel/rcu/tree_plugin.h | 24 +++++++++++++----------- > 3 files changed, 16 insertions(+), 15 deletions(-)