From: Jan Kiszka <[email protected]>

Used von SVM introduced 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: Jan Kiszka <[email protected]>
---
 arch/x86/kvm/vmx.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 0bd0509..9cd6eb7 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -6701,6 +6701,13 @@ 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;
 
@@ -8472,6 +8479,13 @@ 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);
-- 
1.8.1.1.298.ge7eed54

--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to