Re: [PATCH 2/4 v2][KVM nVMX]: Check "load IA32_PAT" VM-entry control on vmentry of nested guests

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On Wed, Mar 27, 2019 at 05:56:48PM -0400, Krish Sadhukhan wrote:
> According to section "Checking and Loading Guest State" in Intel SDM vol
> 3C, the following check is performed on vmentry:
> 
>     If the "load IA32_PAT" VM-entry control is 1, the value of the field
>     for the IA32_PAT MSR must be one that could be written by WRMSR
>     without fault at CPL 0. Specifically, each of the 8 bytes in the
>     field must have one of the values 0 (UC), 1 (WC), 4 (WT), 5 (WP),
>     6 (WB), or 7 (UC-).
> 
> Signed-off-by: Krish Sadhukhan <krish.sadhukhan@xxxxxxxxxx>
> Reviewed-by: Karl Heubaum <karl.heubaum@xxxxxxxxxx>
> Suggested-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>
> ---

Reviewed-by: Sean Christopherson <sean.j.christopherson@xxxxxxxxx>



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