extern void unlock_ipi_call_lock(void);
#define MAX_APICID 256
-extern u8 x86_cpu_to_apicid[];
+extern u8 __initdata x86_cpu_to_apicid_init[];
+extern void *x86_cpu_to_apicid_ptr;
+DECLARE_PER_CPU(u8, x86_cpu_to_apicid);
-#define cpu_physical_id(cpu) x86_cpu_to_apicid[cpu]
+#define cpu_physical_id(cpu) per_cpu(x86_cpu_to_apicid, cpu)
extern void set_cpu_sibling_map(int cpu);