linux-kernel - Re: [PATCH 25/26] dynamic_debug: add pr_fmt_dbg() for dynamic_pr

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Date:	Thu, 22 Sep 2011 13:57:46 -0700
From:	Joe Perches <joe@...ches.com>
To:	jim.cromie@...il.com
Cc:	jbaron@...hat.com, bart.vanassche@...il.com, greg@...ah.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 25/26] dynamic_debug: add pr_fmt_dbg() for
 dynamic_pr_debug

On Wed, 2011-09-21 at 15:55 -0600, jim.cromie@...il.com wrote:
> dynamic_pr_debug can add module, function, file, and line selectively,
[]
> diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h
[]
> +#ifndef pr_fmt_dbg
> +#define pr_fmt_dbg(fmt) fmt
> +#endif
[]
> +#ifndef pr_fmt_dbg
> +#define pr_fmt_dbg(fmt) pr_fmt(fmt)
> +#endif

This might better be placed in printk.h just
once.

I think pr_fmt_debug is better than pr_fmt_dbg
because the function/macro is named pr_debug.

Maybe add all the pr_<level> variants too because
some like to prefix __func__ to pr_err but not pr_info
etc.

#ifndef pr_fmt_emerg
#define pr_fmt_emerg(fmt) pr_fmt(fmt)
#endif
#ifndef pr_fmt_crit
#define pr_fmt_crit(fmt) pr_fmt(fmt)
#endif
#ifndef pr_fmt_alert
#define pr_fmt_alert(fmt) pr_fmt(fmt)
#endif
#ifndef pr_fmt_err
#define pr_fmt_err(fmt) pr_fmt(fmt)
#endif
#ifndef pr_fmt_notice
#define pr_fmt_notice(fmt) pr_fmt(fmt)
#endif
#ifndef pr_fmt_warn
#define pr_fmt_warn(fmt) pr_fmt(fmt)
#endif
#ifndef pr_fmt_info
#define pr_fmt_info(fmt) pr_fmt(fmt)
#endif
#ifndef pr_fmt_debug
#define pr_fmt_debug(fmt) pr_fmt(fmt)
#endif

and change the macros

#define pr_emerg(fmt, ...)					\
	printk(KERN_EMERG pr_fmt_emerg(fmt), ##__VA_ARGS__)

etc.

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