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SubjectRE: [PATCH v5 11/11] KVM: x86: Disable Intel Processor Trace when VMXON in L1 guest
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> > +	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 !=).

Hi Paolo,
There have so many vmx_pt_supported() invoked in MSRs read/write (patch 9) patch and I think it can be replaced by pt_mode check.
But I think this function need to be reserved in patch 5(cpuid emulation). What is your opinion?

Thanks,
Luwei Kang

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

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