From 3b20e03a1066ab2056711166c1b41d421d1ff7b7 Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Fri, 19 Jul 2019 18:15:08 +0200
Subject: [PATCH] KVM: VMX: dump VMCS on failed entry
This is useful for debugging, and is ratelimited nowadays.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
arch/x86/kvm/vmx/vmx.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 280320f74db7..a279447eb75b 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -5829,6 +5829,7 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu)
}
if (unlikely(vmx->fail)) {
+ dump_vmcs();
vcpu->run->exit_reason = KVM_EXIT_FAIL_ENTRY;
vcpu->run->fail_entry.hardware_entry_failure_reason
= vmcs_read32(VM_INSTRUCTION_ERROR);