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Re: [Xen-devel] Getting the XSAVE size from userspace

>>> On 05.11.15 at 10:52, <rcojocaru@xxxxxxxxxxxxxxx> wrote:
> I need to get the XSAVE size from userspace. The easiest way seems to be
> to use the XEN_DOMCTL_getvcpuextstate hypercall, but that hypercall is
> not public / there's no xenctrl.h wrapper for it.

Before going into any detail of the rest of your mail - any reason you
can't just consult CPUID output?


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