Re: KVM: x86: emulating RDPID failure shall return #UD rather than #GP

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On Thu, Aug 27, 2020 at 7:23 PM Robert Hoo <robert.hu@xxxxxxxxxxxxxxx> wrote:
>
> Per Intel's SDM, RDPID takes a #UD if it is unsupported, which is more or
> less what KVM is emulating when MSR_TSC_AUX is not available.  In fact,
> there are no scenarios in which RDPID is supposed to #GP.
>
> Fixes: fb6d4d340e (KVM: x86: emulate RDPID)
> Signed-off-by: Robert Hoo <robert.hu@xxxxxxxxxxxxxxx>
Reviewed-by: Jim Mattson <jmattson@xxxxxxxxxx>



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