diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S
index 29236f0c62b5..44d540efa6d1 100644
--- a/arch/ia64/kernel/head.S
+++ b/arch/ia64/kernel/head.S
@@ -197,6 +197,11 @@ start_ap:
 	;;
 	srlz.i
 	;;
+ {
+	flushrs				// must be first insn in group
+	srlz.i
+ }
+	;;
 	/*
 	 * Save the region registers, predicate before they get clobbered
 	 */