diff --git a/arch/x86/kernel/microcode_core.c b/arch/x86/kernel/microcode_core.c
index fbdfc6917180f8f5379033cc408d164573d027e5..c383b3f8f39737e37c2ae35a5ab544067d8963db 100644
--- a/arch/x86/kernel/microcode_core.c
+++ b/arch/x86/kernel/microcode_core.c
@@ -504,7 +504,7 @@ static struct notifier_block __refdata mc_cpu_notifier = {
 
 #ifdef MODULE
 /* Autoload on Intel and AMD systems */
-static const struct x86_cpu_id microcode_id[] = {
+static const struct x86_cpu_id __initconst microcode_id[] = {
 #ifdef CONFIG_MICROCODE_INTEL
 	{ X86_VENDOR_INTEL, X86_FAMILY_ANY, X86_MODEL_ANY, },
 #endif