diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index 0fd56500077271402bb7af82f83526cd1dcef1ee..b96a732e4859e9bfeb99fa3f5c16344dedeeaa44 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -230,11 +230,9 @@ ENTRY(set_cpu_boot_mode_flag)
 	cmp	w20, #BOOT_CPU_MODE_EL2
 	b.ne	1f
 	add	x1, x1, #4
-1:	dc	cvac, x1			// Clean potentially dirty cache line
-	dsb	sy
-	str	w20, [x1]			// This CPU has booted in EL1
-	dc	civac, x1			// Clean&invalidate potentially stale cache line
-	dsb	sy
+1:	str	w20, [x1]			// This CPU has booted in EL1
+	dmb	sy
+	dc	ivac, x1			// Invalidate potentially stale cache line
 	ret
 ENDPROC(set_cpu_boot_mode_flag)