linux-kernel - Re: what is the value of the macro "__setup

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Date:	Fri, 24 Aug 2007 18:50:58 +0900
From:	Paul Mundt <lethal@...ux-sh.org>
To:	"Robert P. J. Day" <rpjday@...dspring.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: what is the value of the macro "__setup_param"?

On Fri, Aug 24, 2007 at 05:19:29AM -0400, Robert P. J. Day wrote:
> 
>   perhaps i'm missing it, but it seems that the macro __setup_param is
> entirely superfluous:
> 
> $ grep -rw __setup_param *
> include/linux/init.h:#define __setup_param(str, unique_id, fn, early)      \
> include/linux/init.h:   __setup_param(str, unique_id, NULL, 0)
> include/linux/init.h:   __setup_param(str, fn, fn, 0)
> include/linux/init.h:   __setup_param(str, fn, fn, 1)
> include/linux/init.h:#define __setup_param(str, unique_id, fn)  /* nothing */
> $
> 
> or am i must misreading something badly?
> 
Superfluous how? It does different things depending on whether MODULE is
defined or not. It's a good indicator of how often people use
__setup_param() from module context though, given the complete mismatch
of parameters. It's probably worth fixing that up at least.
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