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kernel add
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#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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