* @q: the waitqueue
* @mode: which threads
* @nr_exclusive: how many wake-one or wake-many threads to wake up
+ * @key: is directly passed to the wakeup function
*/
void fastcall __wake_up(wait_queue_head_t *q, unsigned int mode,
int nr_exclusive, void *key)
}
/**
- * __wake_up - sync- wake up threads blocked on a waitqueue.
+ * __wake_up_sync - wake up threads blocked on a waitqueue.
* @q: the waitqueue
* @mode: which threads
* @nr_exclusive: how many wake-one or wake-many threads to wake up
*/
int cond_resched_lock(spinlock_t * lock)
{
+ int ret = 0;
+
if (need_lockbreak(lock)) {
spin_unlock(lock);
cpu_relax();
+ ret = 1;
spin_lock(lock);
}
if (need_resched()) {
_raw_spin_unlock(lock);
preempt_enable_no_resched();
__cond_resched();
+ ret = 1;
spin_lock(lock);
- return 1;
}
- return 0;
+ return ret;
}
EXPORT_SYMBOL(cond_resched_lock);
*/
void __sched io_schedule(void)
{
- struct runqueue *rq = &per_cpu(runqueues, _smp_processor_id());
+ struct runqueue *rq = &per_cpu(runqueues, raw_smp_processor_id());
atomic_inc(&rq->nr_iowait);
schedule();
long __sched io_schedule_timeout(long timeout)
{
- struct runqueue *rq = &per_cpu(runqueues, _smp_processor_id());
+ struct runqueue *rq = &per_cpu(runqueues, raw_smp_processor_id());
long ret;
atomic_inc(&rq->nr_iowait);
/* No more Mr. Nice Guy. */
if (dest_cpu == NR_CPUS) {
- tsk->cpus_allowed = cpuset_cpus_allowed(tsk);
+ cpus_setall(tsk->cpus_allowed);
dest_cpu = any_online_cpu(tsk->cpus_allowed);
/*