linux-kernel - Re: [PATCH] introduce __init

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Message-ID: <20070717151432.GA25939@uranus.ravnborg.org>
Date:	Tue, 17 Jul 2007 17:14:32 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	Domen Puncer <domen.puncer@...argo.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] introduce __init_exit function annotation

On Tue, Jul 17, 2007 at 04:52:12PM +0200, Takashi Iwai wrote:
> At Tue, 17 Jul 2007 15:02:30 +0200,
> Sam Ravnborg wrote:
> > 
> > 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.
> > 
> > This is wrong.
> > On arm (just one example of several) the __exit section are discarded
> > at buildtime so any reference from __init to __exit will cause the
> > linker to error out.
> 
> Hmm, from what I see, it adds __init to the function.  There is no
> reference to __exit.

The cleanup functions are marked __exit in the referenced case.

	Sam
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