if (need_resched()) schedule(); if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING) cpu_die(); 
void default_idle(void){	void (*powersave)(void);	int cpu = smp_processor_id();	powersave = ppc_md.power_save;	if (!need_resched()) {		if (powersave != NULL)			powersave();#ifdef CONFIG_SMP		else {			set_thread_flag(TIF_POLLING_NRFLAG);			while (!need_resched() && !cpu_is_offline(cpu))				barrier();			clear_thread_flag(TIF_POLLING_NRFLAG);		}#endif	}	if (need_resched())		schedule();	if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING)		cpu_die();}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/5bfb5d690f36d316a5f3b4f7775fda996faa6b12/idle.c/clean/arch/ppc/kernel/idle.c