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

Andi Kleen
2009-03-17T10:48:10Z

> 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