linux-kernel - Re: [patch 2/17] Add a WARN() macro that acts like WARN

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Date:	Tue, 08 Jul 2008 11:00:05 -0700
From:	Joe Perches <joe@...ches.com>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	mingo@...e.hu
Subject: Re: [patch 2/17] Add a WARN() macro that acts like WARN_ON()+printk

On Tue, 2008-07-08 at 09:40 -0700, Arjan van de Ven wrote:
> +#ifndef WARN
> +#define WARN(condition, format...) ({					\
> +	int __ret_warn_on = !!(condition);				\
> +	if (unlikely(__ret_warn_on))					\
> +		__WARN_printf(format);					\
> +	unlikely(__ret_warn_on);					\
> +})
> +#endif
> +

If all current uses of WARN are going to change, perhaps
adding an argument for KERN_<level> or removing the
KERN_<level> prefixes and standardizing on a single
KERN_<level> (KERN_WARNING?) is appropriate.

If not standardizing on a single KERN_<level> prefix,
perhaps change the conditional and using something like:

	assert_<level>(cond, fmt, arg...)
or
	assert_msg(cond, level, fmt, arg...)


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