commit 94452b9e3401691c4d34a5a6f6a3a5b4e9c50a48
author Paolo Bonzini <pbonzini@redhat.com> Tue Aug 27 15:41:42 2013 +0200
committer Gleb Natapov <gleb@redhat.com> Wed Aug 28 17:13:15 2013 +0300
tree 1edd526965b52c65f33267986386b2511c67158f
parent c21fbff16b5d43d608966a2963fb248bebce257f

KVM: vmx: count exits to userspace during invalid guest emulation

These will happen due to MMIO.

Suggested-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>

arch/x86/kvm/vmx.c

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 57b4e12..1f1da43 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -5485,6 +5485,7 @@
 		err = emulate_instruction(vcpu, EMULTYPE_NO_REEXECUTE);
 
 		if (err == EMULATE_USER_EXIT) {
+			++vcpu->stat.mmio_exits;
 			ret = 0;
 			goto out;
 		}