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Date:	Tue, 10 Nov 2009 08:34:53 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Joe Perches <joe@...ches.com>,
	Naohiro Ooiwa <nooiwa@...aclelinux.com>,
	Hiroshi Shimamoto <h-shimamoto@...jp.nec.com>,
	roland@...hat.com, 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 Tue, 2009-11-10 at 06:17 +0100, Ingo Molnar wrote:
> * Andrew Morton <akpm@...ux-foundation.org> wrote:
> 
> > 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.
> 
> 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.

Is there a reason for all this pr_ nonsense? will we depricate printk()?

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