linux-kernel - Re: [patch V3 02/23] rcu: Add comments marking transitions between RCU watching and not

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Message-ID: <20200324153837.GB20223@lenoir>
Date:   Tue, 24 Mar 2020 16:38:37 +0100
From:   Frederic Weisbecker <frederic@...nel.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
        Paul McKenney <paulmck@...nel.org>,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        "Joel Fernandes (Google)" <joel@...lfernandes.org>,
        "Steven Rostedt (VMware)" <rostedt@...dmis.org>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Brian Gerst <brgerst@...il.com>,
        Juergen Gross <jgross@...e.com>,
        Alexandre Chartre <alexandre.chartre@...cle.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Tom Lendacky <thomas.lendacky@....com>,
        Paolo Bonzini <pbonzini@...hat.com>, kvm@...r.kernel.org
Subject: Re: [patch V3 02/23] rcu: Add comments marking transitions between
 RCU watching and not

On Fri, Mar 20, 2020 at 06:59:58PM +0100, Thomas Gleixner wrote:
> From: "Paul E. McKenney" <paulmck@...nel.org>
> 
> 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 <tglx@...utronix.de>
> Signed-off-by: Paul E. McKenney <paulmck@...nel.org>
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
> Link: https://lkml.kernel.org/r/20200313024046.27622-2-paulmck@kernel.org

Reviewed-by: Frederic Weisbecker <frederic@...nel.org>