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

["Jan Beulich" <jbeulich@xxxxxxxxxx>]

>>> Andi Kleen <andi@xxxxxxxxxxxxxx> 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


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