Re: CONFIG_XEN dependencies

From: Matt Mackall
Date: Wed Oct 24 2007 - 15:54:28 EST


On Wed, Oct 24, 2007 at 12:00:43PM -0700, Jeremy Fitzhardinge wrote:
> Jan Beulich wrote:
> > The specific goal is to be able to enable the XEN option in our native kernel,
> > which gets configured with M586. So we could live with XEN depending on
> > X86_CMPXCHG, but would definitely need the dependency on X86_TSC
> > dropped. Nevertheless I'd favor even X86_CMPXCHG dropped unless that
> > causes unresolvable (or difficult to resolve) problems.
>
> Seems reasonable. Do you have a patch?

You might want a runtime check for these features as a future Xen
hypervisor might eliminate these requirements.

Ok, not really likely, but still possible.

--
Mathematics is the supreme nostalgia of our time.
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