KVM: Communicate cr8 changes to userspace

This allows running 64-bit Windows.

Signed-off-by: Sheng Yang <sheng.yang@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 91a446f..1d5a49c 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -46,6 +46,7 @@
 	KVM_EXIT_SHUTDOWN         = 8,
 	KVM_EXIT_FAIL_ENTRY       = 9,
 	KVM_EXIT_INTR             = 10,
+	KVM_EXIT_SET_TPR          = 11
 };
 
 /* for KVM_RUN, returned by mmap(vcpu_fd, offset=0) */