Re: CONFIG_XEN dependencies

[Jeremy Fitzhardinge]

Matt Mackall wrote:
> 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.
>   

Seems pretty unlikely. All existing guests assume cmpxchg is available,
and the hypercall ABI depends on the tsc.

J
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