for (;;) default_idle(); 
for (;;) { while (!need_resched()) default_idle();  preempt_enable_no_resched(); schedule(); preempt_disable(); } 
void cpu_idle(void){	for (;;)		default_idle();}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/5bfb5d690f36d316a5f3b4f7775fda996faa6b12/process.c/clean/arch/s390/kernel/process.c