[mirror_ubuntu-artful-kernel.git] / arch / x86 / include / asm / 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>

#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 */
Commit	Line	Data
1965aae3 PA	1	#ifndef _ASM_X86_CPU_H
1965aae3 PA	2	#define _ASM_X86_CPU_H
1da177e4 LT	3
	4	#include <linux/device.h>
	5	#include <linux/cpu.h>
	6	#include <linux/topology.h>
	7	#include <linux/nodemask.h>
f3705136	8	#include <linux/percpu.h>
1da177e4	9
6e5385d4 JSR	10	#ifdef CONFIG_SMP
	11
	12	extern void prefill_possible_map(void);
	13
	14	#else /* CONFIG_SMP */
	15
	16	static inline void prefill_possible_map(void) {}
	17
af8968ab	18	#define cpu_physical_id(cpu) boot_cpu_physical_apicid
96b89dc6	19	#define safe_smp_processor_id() 0
f472cdba JSR	20	#define stack_smp_processor_id() 0
f472cdba JSR	21
6e5385d4 JSR	22	#endif /* CONFIG_SMP */
6e5385d4 JSR	23
30964d54	24	struct x86_cpu {
1da177e4 LT	25	struct cpu cpu;
1da177e4 LT	26	};
d9874026	27
1da177e4	28	#ifdef CONFIG_HOTPLUG_CPU
d9874026	29	extern int arch_register_cpu(int num);
1da177e4 LT	30	extern void arch_unregister_cpu(int);
	31	#endif
	32
f3705136	33	DECLARE_PER_CPU(int, cpu_state);
6d652ea1	34
6d652ea1	35
1965aae3	36	#endif /* _ASM_X86_CPU_H */