linux-kernel - Re: [PATCH] introduce __init

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Message-ID: <20070717083156.GB3801@stusta.de>
Date:	Tue, 17 Jul 2007 10:31:56 +0200
From:	Adrian Bunk <bunk@...sta.de>
To:	Domen Puncer <domen.puncer@...argo.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] introduce __init_exit function annotation

On Tue, Jul 17, 2007 at 10:02:48AM +0200, Domen Puncer wrote:
> Introduce __init_exit, which is useful ie. for drivers that call
> cleanup functions when they fail in __init functions.
> 
> 
> Signed-off-by: Domen Puncer <domen.puncer@...argo.com>
> ---
>  include/linux/init.h |    2 ++
>  1 file changed, 2 insertions(+)
> 
> Index: work-powerpc.git/include/linux/init.h
> ===================================================================
> --- work-powerpc.git.orig/include/linux/init.h
> +++ work-powerpc.git/include/linux/init.h
> @@ -60,8 +60,10 @@
>  
>  #ifdef MODULE
>  #define __exit		__attribute__ ((__section__(".exit.text")))
> +#define __init_exit
>  #else
>  #define __exit		__attribute_used__ __attribute__ ((__section__(".exit.text")))
> +#define __init_exit	__init
>  #endif
>  
>  /* For assembly routines */

This doesn't work on architectures like i386 where __exit code is
discarded at runtime.

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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