linux-kernel - Re: [PATCH] Extract common MODULE_INFO content into new moduleinfo.h.

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Message-ID: <Pine.LNX.4.64.0705200627220.6765@localhost.localdomain>
Date:	Sun, 20 May 2007 06:28:17 -0400 (EDT)
From:	"Robert P. J. Day" <rpjday@...dspring.com>
To:	David Rientjes <rientjes@...gle.com>
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>
Subject: Re: [PATCH] Extract common MODULE_INFO content into new moduleinfo.h.

On Sun, 20 May 2007, David Rientjes wrote:

> On Sun, 20 May 2007, Robert P. J. Day wrote:
>
> > diff --git a/include/linux/moduleinfo.h b/include/linux/moduleinfo.h
> > new file mode 100644
> > index 0000000..cee86a9
> > --- /dev/null
> > +++ b/include/linux/moduleinfo.h
> > @@ -0,0 +1,18 @@
> > +#ifndef _LINUX_MODULEINFO_H
> > +#define _LINUX_MODULEINFO_H
> > +
> > +#ifdef MODULE
> > +#include <linux/stringify.h>
> > +#define ___module_cat(a,b) __mod_ ## a ## b
> > +#define __module_cat(a,b) ___module_cat(a,b)
> > +#define __MODULE_INFO(tag, name, info)				\
> > +static const char __module_cat(name,__LINE__)[]			\
> > +  __attribute_used__						\
> > +  __attribute__((section(".modinfo"),unused)) = __stringify(tag) "=" info
>
> This isn't a function definition so __attribute_used__ (which is
> deprecated anyway) doesn't mean anything.  Please simply use
> __maybe_unused and remove "unused" from the second attribute.

i can do that as long as there's no way that those changes can (even
theoretically) make a difference in the build.  in order to make sure
this patch didn't break anything, i went with a straight cut-and-paste
of the content to go into the new moduleinfo.h.

so while i agree that those changes shouldn't hurt, personally, i'd
prefer to just put this patch through as is and come back later to do
any tidying related to attribute rewording.

rday
-- 
========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA

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