idle_thread_get
struct task_struct *idle = idle_thread_get(cpu);
lockdep_cleanup_dead_cpu(cpu, idle_thread_get(cpu));
idle = idle_thread_get(cpu);
return arch_cpuhp_kick_ap_alive(cpu, idle_thread_get(cpu));
struct task_struct *idle = idle_thread_get(cpu);
struct task_struct *idle = idle_thread_get(cpu);
struct task_struct *idle_thread_get(unsigned int cpu);