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=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 E337EC43331 for ; Tue, 24 Mar 2020 15:38:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B2ABF20774 for ; Tue, 24 Mar 2020 15:38:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585064323; bh=5TdNzYhbtu79d3LH4mgSqN1onpzmNEQFlvSIglXpQXk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=TP4jehXcLQvYPu5FpgTSQxtLLdn6NflXUUEqhSECNDkI/RADay8FnR0v9WXNY60YK qQFPnzf+tDndMMckXjlAIlsaISQ8NxlKt/h2HJ68RQSMZvSWeBuEbQHt8LftcbAvEi bEO95EAKYZzxtz44K4NQs94x6TUr9O1/kR0m3BBQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728884AbgCXPim (ORCPT ); Tue, 24 Mar 2020 11:38:42 -0400 Received: from mail.kernel.org ([198.145.29.99]:33776 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727601AbgCXPik (ORCPT ); Tue, 24 Mar 2020 11:38:40 -0400 Received: from localhost (lfbn-ncy-1-985-231.w90-101.abo.wanadoo.fr [90.101.63.231]) (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 3EE2720714; Tue, 24 Mar 2020 15:38:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585064319; bh=5TdNzYhbtu79d3LH4mgSqN1onpzmNEQFlvSIglXpQXk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=lkCV5+KAG2Vj6fL2EWoen1jj+N6/Fm1McDIF45bAs1lBOVA/Sl+E5YdeN1GBXIBMJ HPryegNdz9kLamMQad3OmVJ6uXP/61WbZ8GtbWDwwbyL9+XJIotJF6uqzcWIFMp7Nd 6gtHhlrUbV1z7AaJuB6jbfBYjg2ccPoa6TTpthfA= Date: Tue, 24 Mar 2020 16:38:37 +0100 From: Frederic Weisbecker To: Thomas Gleixner Cc: LKML , x86@kernel.org, Paul McKenney , Josh Poimboeuf , "Joel Fernandes (Google)" , "Steven Rostedt (VMware)" , Masami Hiramatsu , Alexei Starovoitov , Mathieu Desnoyers , Brian Gerst , Juergen Gross , Alexandre Chartre , Peter Zijlstra , Tom Lendacky , Paolo Bonzini , kvm@vger.kernel.org Subject: Re: [patch V3 02/23] rcu: Add comments marking transitions between RCU watching and not Message-ID: <20200324153837.GB20223@lenoir> References: <20200320175956.033706968@linutronix.de> <20200320180032.614150506@linutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200320180032.614150506@linutronix.de> 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 Fri, Mar 20, 2020 at 06:59:58PM +0100, Thomas Gleixner wrote: > From: "Paul E. McKenney" > > It is not as clear as it might be just where in RCU's idle entry/exit > code RCU stops and starts watching the current CPU. This commit therefore > adds comments calling out the transitions. > > Reported-by: Thomas Gleixner > Signed-off-by: Paul E. McKenney > Signed-off-by: Thomas Gleixner > Link: https://lkml.kernel.org/r/20200313024046.27622-2-paulmck@kernel.org Reviewed-by: Frederic Weisbecker