linux-kernel - Re: [PATCH 1/4] include/linux/printk.h is not self-contained

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Date:	Wed, 25 May 2011 07:42:31 -0700
From:	Joe Perches <joe@...ches.com>
To:	y@...l.of.borg
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	linux-kernel@...r.kernel.org,
	Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: Re: [PATCH 1/4] include/linux/printk.h is not self-contained

On Wed, 2011-05-25 at 11:09 +0200, y@...l.of.borg wrote:
> From: Geert Uytterhoeven <geert@...ux-m68k.org>
> <linux/printk.h> needs to include
>   - <stdarg.h> for "va_list",
>   - <linux/linkage.h> for "asmlinkage",
>   - <linux/types.h> for "bool".

I wonder if printk should be self-contained.

If so, this patch should also add:

#include <linux/dynamic_debug.h>
#include <linux/ratelimit.h>

If not, maybe add:

#ifndef _LINUX_KERNEL_H
#error don't include <linux/printk.h> directly, use <linux/kernel.h>
#endif

Also asmlinkage is an ancient artifact and should
be removed from the declarations of early_printk,
vprintk, and printk.

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