Re: [Xen-devel] [PATCH] x86/vvmx: Fix WRMSR interception of VMX MSRs

["Jan Beulich" <jbeulich@xxxxxxxx>]

>>> Andrew Cooper <andrew.cooper3@xxxxxxxxxx> 06/28/17 4:17 PM >>>
>FEATURE_CONTROL is already read with LOCK bit set (so is unmodifiable), and
>all VMX MSRs are read-only.  Also, fix the MSR_IA32_VMX_TRUE_ENTRY_CTLS bound
>to be MSR_IA32_VMX_VMFUNC, rather than having the intervening MSRs falling
>into the default case.
>
>Raise #GP faults if the guest tries to modify any of them.
>
>Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>


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