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 <[EMAIL PROTECTED]>
---
arch/x86/kvm/svm.c | 4 ++++
include/asm-x86/kvm.h | 1 +
2 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index db90984..5528121 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1011,6 +1011,10 @@ static int pf_interception(struct vcpu_svm *svm, struct
kvm_run *kvm_run)
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);
}
diff --git a/include/asm-x86/kvm.h b/include/asm-x86/kvm.h
index 80eefef..6f18408 100644
--- a/include/asm-x86/kvm.h
+++ b/include/asm-x86/kvm.h
@@ -228,5 +228,6 @@ struct kvm_pit_state {
#define KVM_TRC_CLTS (KVM_TRC_HANDLER + 0x12)
#define KVM_TRC_LMSW (KVM_TRC_HANDLER + 0x13)
#define KVM_TRC_APIC_ACCESS (KVM_TRC_HANDLER + 0x14)
+#define KVM_TRC_TDP_FAULT (KVM_TRC_HANDLER + 0x15)
#endif
--
1.5.3.7
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