KVM: emulator: make x86 emulation modes enum instead of defines

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 663e958..5fe06a8 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2268,6 +2268,8 @@
 		if (msr_data == 0x0)
 			return emulate_gp(ctxt, 0);
 		break;
+	default:
+		break;
 	}
 
 	ctxt->eflags &= ~(EFLG_VM | EFLG_IF | EFLG_RF);
@@ -4400,7 +4402,7 @@
 	}
 
 	/* Instruction can only be executed in protected mode */
-	if ((ctxt->d & Prot) && !(ctxt->mode & X86EMUL_MODE_PROT)) {
+	if ((ctxt->d & Prot) && ctxt->mode < X86EMUL_MODE_PROT16) {
 		rc = emulate_ud(ctxt);
 		goto done;
 	}