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Date: Tue, 10 Nov 2009 06:17:34 +0100
From: Ingo Molnar <mingo@elte.hu>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Joe Perches <joe@perches.com>, Naohiro Ooiwa <nooiwa@miraclelinux.com>,
       Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>, roland@redhat.com,
       Peter Zijlstra <a.p.zijlstra@chello.nl>,
       Thomas Gleixner <tglx@linutronix.de>,
       LKML <linux-kernel@vger.kernel.org>, oleg@redhat.com
Subject: Re: [PATCH] kernel.h: Add printk_ratelimited and pr_<level>_rl
Message-ID: <20091110051734.GG7897@elte.hu>
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* Andrew Morton <akpm@linux-foundation.org> wrote:

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

Yeah. It will be rarely used so that it wont ever really be 'obvious at 
a glance', even to folks well versed in kernel source code details.

	Ingo
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