diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig
index e737dc8cd660..270742cc3ca4 100644
--- a/arch/loongarch/Kconfig
+++ b/arch/loongarch/Kconfig
@@ -10,6 +10,7 @@ config LOONGARCH
 	select ARCH_ENABLE_MEMORY_HOTPLUG
 	select ARCH_ENABLE_MEMORY_HOTREMOVE
 	select ARCH_HAS_ACPI_TABLE_UPGRADE	if ACPI
+	select ARCH_HAS_CPU_FINALIZE_INIT
 	select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE
 	select ARCH_HAS_PTE_SPECIAL
 	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
diff --git a/arch/loongarch/kernel/setup.c b/arch/loongarch/kernel/setup.c
index ae436def7ee9..29725b37b35c 100644
--- a/arch/loongarch/kernel/setup.c
+++ b/arch/loongarch/kernel/setup.c
@@ -12,6 +12,7 @@
  */
 #include <linux/init.h>
 #include <linux/acpi.h>
+#include <linux/cpu.h>
 #include <linux/dmi.h>
 #include <linux/efi.h>
 #include <linux/export.h>
@@ -80,6 +81,11 @@ const char *get_system_type(void)
 	return "generic-loongson-machine";
 }
 
+void __init arch_cpu_finalize_init(void)
+{
+	alternative_instructions();
+}
+
 static const char *dmi_string_parse(const struct dmi_header *dm, u8 s)
 {
 	const u8 *bp = ((u8 *) dm) + dm->length;