Messages in this thread | | | Subject | Re: [PATCH v6 10/34] x86, x86/mm, x86/xen, olpc: Use __va() against just the physical address in cr3 | From | Boris Ostrovsky <> | Date | Thu, 8 Jun 2017 16:51:04 -0400 |
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> >> What may be needed is making sure X86_FEATURE_SME is not set for PV >> guests. > > And that may be something that Xen will need to control through either > CPUID or MSR support for the PV guests.
Only on newer versions of Xen. On earlier versions (2-3 years old) leaf 0x80000007 is passed to the guest unchanged. And so is MSR_K8_SYSCFG.
-boris
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