linux-kernel - Re: [PATCH v2 1/6] rcu: fix header guard for rcu_all

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Message-ID: <ZzS8uUYDllho-fKu@localhost.localdomain>
Date: Wed, 13 Nov 2024 15:50:33 +0100
From: Frederic Weisbecker <frederic@...nel.org>
To: Ankur Arora <ankur.a.arora@...cle.com>
Cc: linux-kernel@...r.kernel.org, peterz@...radead.org, tglx@...utronix.de,
	paulmck@...nel.org, mingo@...nel.org, bigeasy@...utronix.de,
	juri.lelli@...hat.com, vincent.guittot@...aro.org,
	dietmar.eggemann@....com, rostedt@...dmis.org, bsegall@...gle.com,
	mgorman@...e.de, vschneid@...hat.com, efault@....de,
	sshegde@...ux.ibm.com, boris.ostrovsky@...cle.com
Subject: Re: [PATCH v2 1/6] rcu: fix header guard for rcu_all_qs()

Le Wed, Nov 06, 2024 at 12:17:53PM -0800, Ankur Arora a écrit :
> rcu_all_qs() is defined for !CONFIG_PREEMPT_RCU but the declaration
> is conditioned on CONFIG_PREEMPTION.
> 
> With CONFIG_PREEMPT_LAZY, CONFIG_PREEMPTION=y does not imply
> CONFIG_PREEMPT_RCU=y.
> 
> Decouple the two.
> 
> Cc: Paul E. McKenney <paulmck@...nel.org>
> Signed-off-by: Ankur Arora <ankur.a.arora@...cle.com>

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