On Wed, 2010-06-02 at 21:29 +0200, ext Jan Engelhardt wrote:
> On Wednesday 2010-06-02 21:05, Luciano Coelho wrote:
> >> > >+ idletimer_tg_kobj = kobject_create_and_add("idletimer",
> >> > >+ &THIS_MODULE->mkobj.kobj);
> >> >
> >> > Isn't this going to oops when you compile this module as =y?
> >>
> >> Damn, that's true. :(
> >>
> >> I'll investigate how to fix this.
> >
> >Would it be too hacky to force it to be a module (ie. add "depends on m"
> >in Kconfig)?
> >
> >Besides /sys/module/xt_IDLETIMER and /sys/class/net, which we have
> >already discarded, I can't find any other place that would make sense to
> >add the idletimer in the kernel object hierarchy...
>
> While THIS_MODULE is NULL in =y mode, /sys/module/<xyz> can still exist
> (cf. /sys/module/printk). I just don't know how to get at the kobj for
> it, but the existence of it must mean it's there somewhere. Might ask
> sysfs authors.
Okay, good to know. My initial theory was that /sys/module/xt_IDLETIMER
(pointed to by THIS_MODULE) would exist even if it was linked into the
kernel itself, but now it's obvious that it doesn't.
I'll investigate how printk does that.
--
Cheers,
Luca.
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