Re: [Xen-devel] [PATCH 10/24] xen: mask XSAVE from cpuid

Jan Beulich
2009-03-17T10:55:00Z

>>> Andi Kleen <andi@firstfloor.org> 17.03.09 11:48 >>>
>> No, properly coded xsave support will (hopefully) make user-visible context
>> extensions transparent to hypervisor and OS. But I was giving a general
>> example here, and the change from xmm to ymm registers is one that does
>> need hypervisor (and OS) changes.
>
>Again except for XSAVE support it doesn't, does it?

No, it shouldn't (minus the valid comments hpa added in another reply).

Jan