linux-kernel - Re: [PATCH] kernel.h: Add printk_ratelimited and pr_<level>

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Message-Id: <20091109134914.70de28cf.akpm@linux-foundation.org>
Date:	Mon, 9 Nov 2009 13:49:14 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Joe Perches <joe@...ches.com>
Cc:	Naohiro Ooiwa <nooiwa@...aclelinux.com>,
	Ingo Molnar <mingo@...e.hu>,
	Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>,
	roland@...hat.com, Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>, oleg@...hat.com
Subject: Re: [PATCH] kernel.h: Add printk_ratelimited and pr_<level>_rl

On Fri, 30 Oct 2009 16:21:47 -0700
Joe Perches <joe@...ches.com> wrote:

> +#define pr_emerg_rl(fmt, ...) \
> +        printk_ratelimited(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__)
> +#define pr_alert_rl(fmt, ...) \
> +        printk_ratelimited(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
> +#define pr_crit_rl(fmt, ...) \
> +        printk_ratelimited(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__)
> +#define pr_err_rl(fmt, ...) \
> +        printk_ratelimited(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
> +#define pr_warning_rl(fmt, ...) \
> +        printk_ratelimited(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
> +#define pr_notice_rl(fmt, ...) \
> +        printk_ratelimited(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
> +#define pr_info_rl(fmt, ...) \
> +        printk_ratelimited(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)

Would prefer pr_emerg_ratelimited personally.  It's longer, but one
doesn't ask "wtf does _rl" mean and it avoids having two identifiers
which refer to the same thing.

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