kernel/sched/core.c

2369 		 * yield - it could be a while.
8573  * sys_sched_yield - yield the current processor to other threads.
8915  * yield - yield the current processor to other threads.
8920  * eligible task to run, if removing the yield() call from your code breaks
8926  *	yield();
8928  * where one assumes that yield() will let 'the other' process run that will
8930  * happen. Never use yield() as a progress guarantee!!
8932  * If you want to use yield() to wait for something, use wait_event().
8933  * If you want to use yield() to be 'nice' for others, use cond_resched().
8934  * If you still want to use yield(), do not!
8936 void __sched yield(void)
8941 EXPORT_SYMBOL(yield);
8944  * yield_to - yield the current processor to another thread in
8956  *	-ESRCH if there's no task to yield to.