RE: [PATCH 1/4] Fix tboot enabled macro

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Wang, Shane wrote:
>
> Why is VTX assumed to be disabled?
> tboot_enabled == 0 but (msr &
> FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX) == 1 if you have VT
> enabled. If you have VT enabled, VMX outside SMX is 1 always. 
> 
> Shane

BTW:
In hardware,
VT is enabled, TXT is enabled, then outside = 1, inside = 1;
VT is enabled, TXT is disabled, then outside = 1, inside = 0;
VT is disabled, then outside = 0;--
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