linux-kernel - Re: [PATCH 2/3] ftrace: Add compile-time check on F

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Message-ID: <4AAE05CF.5060208@cn.fujitsu.com>
Date:	Mon, 14 Sep 2009 16:58:55 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	Steven Rostedt <rostedt@...dmis.org>
CC:	Ingo Molnar <mingo@...e.hu>,
	Frederic Weisbecker <fweisbec@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/3] ftrace: Add compile-time check on F_printk()

> +static void __used ____ftrace_check_##name(void)		\

oops, I should use "__maybe_unused"..

> +{								\
> +	struct ____ftrace_##name *__entry = NULL;		\
> +								\
> +	/* force cmpile-time check on F_printk() */		\
> +	printk(print);						\
> +}
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