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Commit 4df64c0b authored by Ingo Molnar's avatar Ingo Molnar
Browse files

sched: clean up find_lock_lowest_rq() 



clean up find_lock_lowest_rq().

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 79064fbf

kernel/sched_rt.c

+5 −4
Original line number Original line Diff line number Diff line
@@ -438,12 +438,11 @@ static int find_lowest_rq(struct task_struct *task) 
}

}





/* Will lock the rq it finds */

/* Will lock the rq it finds */

static struct rq *find_lock_lowest_rq(struct task_struct *task,

static struct rq *find_lock_lowest_rq(struct task_struct *task, struct rq *rq)

				      struct rq *rq)

{

{

	struct rq *lowest_rq = NULL;

	struct rq *lowest_rq = NULL;

	int cpu;

	int tries;

	int tries;

	int cpu;





	for (tries = 0; tries < RT_MAX_TRIES; tries++) {

	for (tries = 0; tries < RT_MAX_TRIES; tries++) {

		cpu = find_lowest_rq(task);

		cpu = find_lowest_rq(task);
@@ -462,9 +461,11 @@ static struct rq *find_lock_lowest_rq(struct task_struct *task, 
			 * Also make sure that it wasn't scheduled on its rq.

			 * Also make sure that it wasn't scheduled on its rq.

			 */

			 */

			if (unlikely(task_rq(task) != rq ||

			if (unlikely(task_rq(task) != rq ||

				     !cpu_isset(lowest_rq->cpu, task->cpus_allowed) ||

				     !cpu_isset(lowest_rq->cpu,

						task->cpus_allowed) ||

				     task_running(rq, task) ||

				     task_running(rq, task) ||

				     !task->se.on_rq)) {

				     !task->se.on_rq)) {



				spin_unlock(&lowest_rq->lock);

				spin_unlock(&lowest_rq->lock);

				lowest_rq = NULL;

				lowest_rq = NULL;

				break;

				break;