diff --git a/src/include/cpu/cpu.h b/src/include/cpu/cpu.h
index e8ea096..cf2d389 100644
--- a/src/include/cpu/cpu.h
+++ b/src/include/cpu/cpu.h
@@ -7,7 +7,7 @@
 void cpu_initialize(unsigned int cpu_index);
 struct bus;
 void initialize_cpus(struct bus *cpu_bus);
-void __attribute__((regparm(0))) secondary_cpu_init(unsigned int cpu_index);
+void asmlinkage secondary_cpu_init(unsigned int cpu_index);
 
 #if CONFIG_HAVE_SMI_HANDLER
 void smm_init(void);