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Commit 542060ea authored by Jan Kiszka's avatar Jan Kiszka Committed by Paolo Bonzini
Browse files

KVM: nVMX: Add tracepoints for nested_vmexit and nested_vmexit_inject 



Already used by nested SVM for tracing nested vmexit: kvm_nested_vmexit
marks exits from L2 to L0 while kvm_nested_vmexit_inject marks vmexits
that are reflected to L1.

Signed-off-by: default avatarJan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 533558bc

arch/x86/kvm/vmx.c

+14 −0
Original line number Diff line number Diff line
@@ -6697,6 +6697,13 @@ static bool nested_vmx_exit_handled(struct kvm_vcpu *vcpu) 
	struct vmcs12 *vmcs12 = get_vmcs12(vcpu);

	u32 exit_reason = vmx->exit_reason;



	trace_kvm_nested_vmexit(kvm_rip_read(vcpu), exit_reason,

				vmcs_readl(EXIT_QUALIFICATION),

				vmx->idt_vectoring_info,

				intr_info,

				vmcs_read32(VM_EXIT_INTR_ERROR_CODE),

				KVM_ISA_VMX);



	if (vmx->nested.nested_run_pending)

		return 0;
@@ -8469,6 +8476,13 @@ static void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason, 
	prepare_vmcs12(vcpu, vmcs12, exit_reason, exit_intr_info,

		       exit_qualification);



	trace_kvm_nested_vmexit_inject(vmcs12->vm_exit_reason,

				       vmcs12->exit_qualification,

				       vmcs12->idt_vectoring_info_field,

				       vmcs12->vm_exit_intr_info,

				       vmcs12->vm_exit_intr_error_code,

				       KVM_ISA_VMX);



	cpu = get_cpu();

	vmx->loaded_vmcs = &vmx->vmcs01;

	vmx_vcpu_put(vcpu);