Messages in this thread | | | From | "Kang, Luwei" <> | Subject | RE: [PATCH v5 11/11] KVM: x86: Disable Intel Processor Trace when VMXON in L1 guest | Date | Mon, 19 Mar 2018 07:31:49 +0000 |
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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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