linux-vybrid_public/include/asm-x86/cpu.h

#ifndef ASM_X86__CPU_H
#define ASM_X86__CPU_H

#include <linux/device.h>
#include <linux/cpu.h>
#include <linux/topology.h>
#include <linux/nodemask.h>
#include <linux/percpu.h>

struct x86_cpu {
	struct cpu cpu;
};

#ifdef CONFIG_HOTPLUG_CPU
extern int arch_register_cpu(int num);
extern void arch_unregister_cpu(int);
#endif

DECLARE_PER_CPU(int, cpu_state);
#endif /* ASM_X86__CPU_H */