Index: sys/arm64/arm64/exception.S
===================================================================
--- sys/arm64/arm64/exception.S
+++ sys/arm64/arm64/exception.S
@@ -123,6 +123,7 @@
 	/* Disable interrupts */
 	mrs	x19, daif
 	msr	daifset, #2
+	b	1b
 
 2:
 	/* Restore interrupts */