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

[Andi Kleen]

> 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?

-Andi
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