Re: [Xen-devel] [PATCH v3 21/28] xen+tools: Export maximum host and guest cpu featuresets via SYSCTL

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 22/03/16 08:43, Jan Beulich wrote:
>
> Going through the HAP-only features, btw, revealed another
> possible dependency missing from patch 10: I would think that
> INVPCID depends on PCID.

And, as it turns out PCID on LM.

Attempting to set CR4.PCIDE while IA32_EFER.LMA = 0 is specified to
incur a #GP fault.

~Andrew

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