Re: [RFC v3 16/19] arch: um: make UML unflatten device tree when testing

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On Thu, Nov 29, 2018 at 7:46 PM Luis Chamberlain <mcgrof@xxxxxxxxxx> wrote:
>
> On Wed, Nov 28, 2018 at 11:36:33AM -0800, Brendan Higgins wrote:
> > Make UML unflatten any present device trees when running KUnit tests.
> >
> > Signed-off-by: Brendan Higgins <brendanhiggins@xxxxxxxxxx>
> > ---
> >  arch/um/kernel/um_arch.c | 4 ++++
> >  1 file changed, 4 insertions(+)
> >
> > diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
> > index a818ccef30ca2..bd58ae3bf4148 100644
> > --- a/arch/um/kernel/um_arch.c
> > +++ b/arch/um/kernel/um_arch.c
> > @@ -13,6 +13,7 @@
> >  #include <linux/sched.h>
> >  #include <linux/sched/task.h>
> >  #include <linux/kmsg_dump.h>
> > +#include <linux/of_fdt.h>
> >
> >  #include <asm/pgtable.h>
> >  #include <asm/processor.h>
> > @@ -347,6 +348,9 @@ void __init setup_arch(char **cmdline_p)
> >       read_initrd();
> >
> >       paging_init();
> > +#if IS_ENABLED(CONFIG_OF_UNITTEST)
> > +     unflatten_device_tree();
> > +#endif
>
> *Why?*

Whoops, I didn't realize how bad that looked. In anycase, doing what
Rob suggested as a separate patch should clear this up.




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