Re: [Xen-devel] [PATCH 5/9] ARM: Xen: fix initial build problems:

[Arnd Bergmann <arnd@xxxxxxxx>]

On Tuesday 09 October 2012, Stefano Stabellini wrote:
> >  config XEN
> >       bool "Xen guest support on ARM (EXPERIMENTAL)"
> >       depends on EXPERIMENTAL && ARM && OF
> > +     depends on !CPU_V6
> >       help
> >         Say Y if you want to run Linux in a Virtual Machine on Xen on ARM.
> 
> Considering that we rely on the virtualization extensions, this one can
> be:
> 
>     depends on CPU_V7
> 
> The rest looks fine. I can submit a second patch to change !CPU_V6 into
> CPU_V7 later, if you prefer.

CPU_V6 and CPU_V7 are not exclusive, I saw the problem when building a
combined kernel for both V6 and V7. The code also needs to depend on ARMv7
with virtualization extensions, but that is a different issue. We don't
actually have a configuration symbol for that yet, as far as I can tell.

        Arnd

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