linux-kernel - Re: [PATCH tip/core/rcu 6/6] rcu: Simplify creating of lockdep class for root rcu

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Message-ID: <4AE55F02.3030803@cn.fujitsu.com>
Date:	Mon, 26 Oct 2009 16:34:10 +0800
From:	Lai Jiangshan <laijs@...fujitsu.com>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, mingo@...e.hu
CC:	linux-kernel@...r.kernel.org, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...ymtl.ca,
	josh@...htriplett.org, dvhltc@...ibm.com, niv@...ibm.com,
	tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org,
	Valdis.Kletnieks@...edu, dhowells@...hat.com, avi@...hat.com,
	mtosatti@...hat.com
Subject: Re: [PATCH tip/core/rcu 6/6] rcu: Simplify creating of lockdep class
 for root rcu_node

Paul E. McKenney wrote:
> diff --git a/kernel/rcutree.h b/kernel/rcutree.h
> index 599161f..e091b30 100644
> --- a/kernel/rcutree.h
> +++ b/kernel/rcutree.h
> @@ -296,6 +296,8 @@ DECLARE_PER_CPU(struct rcu_data, rcu_preempt_data);
>  
>  #else /* #ifdef RCU_TREE_NONCORE */
>  
> +static struct lock_class_key rcu_root_class;
> +

I think this line needs to be moved into rcutree.c.

>  /* Forward declarations for rcutree_plugin.h */
>  static inline void rcu_bootup_announce(void);
>  long rcu_batches_completed(void);

For all 6 patches:
Reviewed-by: Lai Jiangshan <laijs@...fujitsu.com>
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