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Date:   Wed, 9 Jan 2019 05:52:48 -0800
From:   "Paul E. McKenney" <paulmck@linux.ibm.com>
To:     Peng Hao <peng.hao2@zte.com.cn>
Cc:     josh@joshtriplett.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH]  rcu: Remove rcu_*_state declaration
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On Wed, Jan 09, 2019 at 10:13:28PM +0800, Peng Hao wrote:
> Because of just only one set of rcu_state, the declaration of
> rcu_sched_state/rcu_bh_state/rcu_preempt_state is unnecessary.
> 
> Signed-off-by: Peng Hao <peng.hao2@zte.com.cn>

This does not apply to my current -rcu tree.  Please see branch "dev"
of git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git.

							Thanx, Paul

> ---
>  kernel/rcu/tree.h | 7 -------
>  1 file changed, 7 deletions(-)
> 
> diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h
> index 703e19f..9ea704c 100644
> --- a/kernel/rcu/tree.h
> +++ b/kernel/rcu/tree.h
> @@ -401,13 +401,6 @@ struct rcu_state {
>  /*
>   * RCU implementation internal declarations:
>   */
> -extern struct rcu_state rcu_sched_state;
> -
> -extern struct rcu_state rcu_bh_state;
> -
> -#ifdef CONFIG_PREEMPT_RCU
> -extern struct rcu_state rcu_preempt_state;
> -#endif /* #ifdef CONFIG_PREEMPT_RCU */
> 
>  int rcu_dynticks_snap(struct rcu_data *rdp);
> 
> -- 
> 1.8.3.1
>