KVM: SVM: add tracing support for TDP page faults
To distinguish between real page faults and nested page faults they should be
traced as different events. This is implemented by this patch.
Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 8953292..218949c 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1011,6 +1011,10 @@
KVMTRACE_3D(PAGE_FAULT, &svm->vcpu, error_code,
(u32)fault_address, (u32)(fault_address >> 32),
handler);
+ else
+ KVMTRACE_3D(TDP_FAULT, &svm->vcpu, error_code,
+ (u32)fault_address, (u32)(fault_address >> 32),
+ handler);
return kvm_mmu_page_fault(&svm->vcpu, fault_address, error_code);
}