Hi Sasha,
Am Mittwoch, den 10.10.2018, 09:51 +0200 schrieb Sascha Hauer:
> >
> > +static inline int hab_get_status(void)
> > +{
> > + if (IS_ENABLED(CONFIG_MMU))
> > + return -EIO;
> This restriction makes this patch rather unhandy to use. Internally we
> use imx*_hab_get_status() indeed with MMU enabled and it works fine, but
> we call it before mmu_init is called. In this state the MMU is enabled
> already, but the zero page is not yet set to faulting. So I think the
> problem is not the MMU as such, but instead the faulting zero page.
indeed
>
> It would be great if we could overcome this issue. One way to do this
> would be to add a function pair mmu_zero_page_map() and
> mmu_zero_page_set_faulting() to be called in hab_get_status().
I will have a look, when there is a little slack in sprints.
>
> I don't know if you are willing to add that, but I don't want to
> motivate people to disable the MMU, so the patch is not acceptable as
> is.
I got your point
>
> Sascha
>
Regards Denis
Diehl Connectivity Solutions GmbH
Geschäftsführung: Horst Leonberger
Sitz der Gesellschaft: Nürnberg - Registergericht: Amtsgericht
Nürnberg: HRB 32315
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