linux-kernel - Re: [RFC] Remove most all #define pr

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Date:	Wed, 28 Mar 2012 09:42:00 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Joe Perches <joe@...ches.com>
Cc:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jason Baron <jbaron@...hat.com>,
	Jim Cromie <jim.cromie@...il.com>, Liam Girdwood <lrg@...com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: Re: [RFC] Remove most all #define pr_fmt(fmt) lines

On Tue, Mar 27, 2012 at 19:23, Joe Perches <joe@...ches.com> wrote:
>  #ifndef pr_fmt
> +
> +#ifndef pr_fmt_std
> +#define pr_fmt_std(fmt) KBUILD_MODNAME ": " fmt
> +#endif
> +#ifndef pr_fmt_dbg
> +#define pr_fmt_dbg(fmt) fmt
> +#endif
>  #define pr_fmt(fmt) fmt

What's the rationale behind the above line?
I had expected

     #define pr_fmt(fmt) pr_fmt_std(fmt)

> +
> +#else
> +
> +#ifndef pr_fmt_std
> +#define pr_fmt_std(fmt...) pr_fmt(fmt)

Why the "fmt..." here, and "fmt" in the definitions above?

> +#endif
> +#ifndef pr_fmt_dbg
> +#define pr_fmt_dbg(fmt...) pr_fmt(fmt)
> +#endif
> +
>  #endif

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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