#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> | |
#ifdef CONFIG_SMP | |
extern void prefill_possible_map(void); | |
#else /* CONFIG_SMP */ | |
static inline void prefill_possible_map(void) {} | |
#define cpu_physical_id(cpu) boot_cpu_physical_apicid | |
#define safe_smp_processor_id() 0 | |
#define stack_smp_processor_id() 0 | |
#endif /* CONFIG_SMP */ | |
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 */ |