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    SubjectRe: [Xen-devel] [PATCH 10/24] xen: mask XSAVE from cpuid
    >>> Andi Kleen <> 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).


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