On 04/05/2015 19:51, Radim Krčmář wrote:
> (I'm not sure if this is supported if IA32_VMX_BASIC[49] = 0.
>  34.15.6.4 Saving Guest State
>    The SMM-transfer monitor (STM) can also discover the current value of
>    the SMBASE register by using the RDMSR
> 
>  but it's not possible to get into STM without having a support for it
>  noted in IA32_VMX_BASIC[49] and more magic we also don't emulate to
>  actually enable it.)

I can certainly make the SMBASE MSR host-accessible only.

Paolo
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