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v0.8.1
https://github.com/torvalds/linux
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Tip revision: 0d0fb0f9c5fddef4a10242fe3337f00f528a3099 authored by Linus Torvalds on 13 April 2010, 01:41:35 UTC
Linux 2.6.34-rc4
Tip revision: 0d0fb0f
offline_states.h
#ifndef _OFFLINE_STATES_H_
#define _OFFLINE_STATES_H_

/* Cpu offline states go here */
enum cpu_state_vals {
	CPU_STATE_OFFLINE,
	CPU_STATE_INACTIVE,
	CPU_STATE_ONLINE,
	CPU_MAX_OFFLINE_STATES
};

#ifdef CONFIG_HOTPLUG_CPU
extern enum cpu_state_vals get_cpu_current_state(int cpu);
extern void set_cpu_current_state(int cpu, enum cpu_state_vals state);
extern void set_preferred_offline_state(int cpu, enum cpu_state_vals state);
extern void set_default_offline_state(int cpu);
#else
static inline enum cpu_state_vals get_cpu_current_state(int cpu)
{
	return CPU_STATE_ONLINE;
}

static inline void set_cpu_current_state(int cpu, enum cpu_state_vals state)
{
}

static inline void set_preferred_offline_state(int cpu, enum cpu_state_vals state)
{
}

static inline void set_default_offline_state(int cpu)
{
}
#endif

extern enum cpu_state_vals get_preferred_offline_state(int cpu);
extern int start_secondary(void);
extern void start_secondary_resume(void);
#endif
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