On Mon, Mar 06, 2006 at 10:52:57AM -0800, Dave Peterson wrote:
> On Sunday 05 March 2006 07:55, Greg KH wrote:
> > On Sun, Mar 05, 2006 at 11:18:04AM +0100, Arjan van de Ven wrote:
> > > > +/* Main MC kobject release() function */
> > > > +static void edac_memctrl_master_release(struct kobject *kobj)
> > > > +{
> > > > + debugf1("EDAC MC: " __FILE__ ": %s()\n", __func__);
> > > > +}
> > > > +
> > >
> > > ehhh how on earth can this be right?
> >
> > Ugh. Good catch, it isn't right. Gotta love it when people try to
> > ignore the helpful messages the kernel gives you when you use an API
> > wrong :(
>
> Is the concern here that EDAC is not waiting for the reference count
> on the kobject to reach 0, therefore creating the possibility of the
> module unloading while the kobject (declared statically within the
> module) is still in use?
Eeek, don't statically create a kobject :(
Anyway, yes, that is a problem, if it is static, then you need to know
it is safe to unload. Even if it is dynamic that is also true...
thanks,
greg k-h
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