At Tue, 17 Jul 2007 17:32:36 +0200,
Sam Ravnborg wrote:
>
> On Tue, Jul 17, 2007 at 05:16:13PM +0200, Takashi Iwai wrote:
> > At Tue, 17 Jul 2007 17:14:32 +0200,
> > Sam Ravnborg wrote:
> > >
> > > 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.
> >
> > My understanding is that it's the very purpose of this patch --
> > change the mark from __exit to __init_exit for such clean-up
> > functions.
>
> And that is wrong.
You misunderstood. What I meant is the case like this:
static void __init_exit cleanup()
{
...
}
static void __init foo_init()
{
if (error)
cleanup();
}
static void __exit foo_exit()
{
cleanup();
}
Currently, there is no proper way to mark cleanup(). Neither __init,
__exit, __devinit nor __devexit can be used there.
Takashi
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