Re: [PATCH 0/1] m68k: merge m68k and m68knommu arch directories

[Greg Ungerer]

Hi Geert,

On 24/03/11 18:06, Geert Uytterhoeven wrote:
> On Thu, Mar 24, 2011 at 00:00, Greg Ungerer<gerg@xxxxxxxxxxxx>  wrote:
> > On 24/03/11 08:07, Geert Uytterhoeven wrote:
> > > On Tue, Mar 22, 2011 at 05:43,<gerg@xxxxxxxxxxxx>  áwrote:
> > > > slso on the for-next branch in that tree, so will get some testing
> > > > in the next tree for the next few days.
> > >
> > > defconfig is now a nommu-config, and it fails?
> > >
> > > http://kisskb.ellerman.id.au/kisskb/buildresult/4012794/
> >
> > Yep, that looks wrong. I'll move the define for KBUILD_DEFCONFIG
> > into arch/m68k/Makefile (and remove the existing defines in Makefile_mm
> > and Makefile_no). That will make the DEFCONFIG as it was before,
> > multi_defconfig.
> >
> > > arch/m68k/kernel/entry_no.S:47: Error: Unknown operator -- statement
> > > `save_all' ignored
> >
> > This is due to compiling for the non-mmu targets and not using
> > a m68k-uclinux- toolchain. Unfortunately the compiler must define
> > __uClinux__ to compile for non-mmu targets. This isn't new, we
>
> For userland...

Yes, they can't see CONFIG_MMU or otherwise.


> > have had this problem ever since the merge of the header files.
> > (The exported headers need some switch to use to base some
> > conditionals on, and kernel config options cannot be used in
> > exported headers).
>
> For kernels, we can explicitly define this in arch/m68k/Makefile if !MMU, right?

We certainly can do that, but we don't currently...
I'll make a note to fix that.


> > But with a fixed defconfig, you won't see this anymore :-)
> >
> > I'll fix up the git commit on m68knommu git tree.
>
> Good, thx!

That is updated... Do you want to let this bake for another couple
of days before I ask Linus to pull it?

Regards
Greg


> Gr{oetje,eeting}s,
>
> á á á á á á á á á á á á Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like that.
> á á á á á á á á á á á á á áá áá -- Linus Torvalds


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Greg Ungerer  --  Principal Engineer        EMAIL:     gerg@xxxxxxxxxxxx
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