linux-kernel - Re: [PATCH 2/3] tracepoint: add _

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Date:	Wed, 5 Jan 2011 08:57:31 -0500
From:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
To:	Lai Jiangshan <laijs@...fujitsu.com>
Cc:	Steven Rostedt <rostedt@...dmis.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Arnd Bergmann <arnd@...db.de>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/3] tracepoint: add __rcu annotation

* Lai Jiangshan (laijs@...fujitsu.com) wrote:
> Add __rcu annotation to :
> 	(struct tracepoint)->funcs
> 
> signed-off-by: Lai Jiangshan <laijs@...fujitsu.com>

Yep, makes sense!

Thanks,

Acked-by: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>

> ---
> diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
> index d3e4f87..e0e400d 100644
> --- a/include/linux/tracepoint.h
> +++ b/include/linux/tracepoint.h
> @@ -32,7 +32,7 @@ struct tracepoint {
>  	int state;			/* State. */
>  	void (*regfunc)(void);
>  	void (*unregfunc)(void);
> -	struct tracepoint_func *funcs;
> +	struct tracepoint_func __rcu *funcs;
>  } __attribute__((aligned(32)));		/*
>  					 * Aligned on 32 bytes because it is
>  					 * globally visible and gcc happily

-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com
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