Re: [PATCH v4 12/25] KVM: VMX: Check VM_ENTRY_IA32E_MODE in setup_vmcs_config()

Sean Christopherson
2022-07-21T22:00:12Z

On Thu, Jul 14, 2022, Vitaly Kuznetsov wrote:
> VM_ENTRY_IA32E_MODE control is toggled dynamically by vmx_set_efer()
> and setup_vmcs_config() doesn't check its existence. On the contrary,
> nested_vmx_setup_ctls_msrs() doesn set it on x86_64. Add the missing
> check and filter the bit out in vmx_vmentry_ctrl().
>
> No (real) functional change intended as all existing CPUs supporting
> long mode and VMX are supposed to have it.
>
> Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com>
> Reviewed-by: Jim Mattson <jmattson@google.com>
> Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
> ---

Reviewed-by: Sean Christopherson <seanjc@google.com>