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Message-ID: <1257804320.12852.16.camel@Joe-Laptop.home>
Date: Mon, 09 Nov 2009 14:05:20 -0800
From: Joe Perches <joe@...ches.com>
To: Andrew Morton <akpm@...ux-foundation.org>
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 Mon, 2009-11-09 at 13:49 -0800, Andrew Morton 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.
I don't have a strong opinion either way.
_rl is shorter and that has some value.
I think pr_crit_rl, pr_emerg_rl and pr_alert_rl likely
aren't useful. Is there a sensible use case for those?
I added them for completeness, but...
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