Re: [PATCH v5 11/11] KVM: x86: Disable Intel Processor Trace when VMXON in L1 guest

[Paolo Bonzini]

On 04/03/2018 13:07, Luwei Kang wrote:
> +     if (pt_mode == PT_MODE_HOST_GUEST) {

This would be vmx_pt_supported(), but I think it's better to remove that
function and just test pt_mode == PT_MODE_HOST_GUEST everywhere (or !=).

Paolo

> +             vmx->pt_desc.guest.ctl = 0;
> +             vmcs_write64(GUEST_IA32_RTIT_CTL, 0);
> +             pt_set_intercept_for_msr(vmx, 1);
> +     }
> +