diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 7595581..99c5345 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -1374,8 +1374,8 @@ void xen_evtchn_do_upcall(struct pt_regs *regs)
 {
 	struct pt_regs *old_regs = set_irq_regs(regs);

-	exit_idle();
 	irq_enter();
+	exit_idle();

 	__xen_evtchn_do_upcall();