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v0.8.1
https://github.com/torvalds/linux
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Tip revision: 6ff33f3902c3b1c5d0db6b1e2c70b6d76fba357f authored by Linus Torvalds on 12 September 2015, 23:35:56 UTC
Linux 4.3-rc1
Tip revision: 6ff33f3
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);
#endif
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