mirror of https://gitee.com/openkylin/linux.git
sched: clean up find_lock_lowest_rq()
clean up find_lock_lowest_rq(). Signed-off-by: Ingo Molnar <mingo@elte.hu>
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parent
79064fbf75
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4df64c0bfb
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@ -438,12 +438,11 @@ static int find_lowest_rq(struct task_struct *task)
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}
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}
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/* Will lock the rq it finds */
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/* Will lock the rq it finds */
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static struct rq *find_lock_lowest_rq(struct task_struct *task,
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static struct rq *find_lock_lowest_rq(struct task_struct *task, struct rq *rq)
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struct rq *rq)
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{
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{
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struct rq *lowest_rq = NULL;
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struct rq *lowest_rq = NULL;
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int cpu;
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int tries;
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int tries;
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int cpu;
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for (tries = 0; tries < RT_MAX_TRIES; tries++) {
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for (tries = 0; tries < RT_MAX_TRIES; tries++) {
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cpu = find_lowest_rq(task);
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cpu = find_lowest_rq(task);
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@ -462,9 +461,11 @@ static struct rq *find_lock_lowest_rq(struct task_struct *task,
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* Also make sure that it wasn't scheduled on its rq.
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* Also make sure that it wasn't scheduled on its rq.
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*/
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*/
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if (unlikely(task_rq(task) != rq ||
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if (unlikely(task_rq(task) != rq ||
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!cpu_isset(lowest_rq->cpu, task->cpus_allowed) ||
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!cpu_isset(lowest_rq->cpu,
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task->cpus_allowed) ||
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task_running(rq, task) ||
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task_running(rq, task) ||
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!task->se.on_rq)) {
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!task->se.on_rq)) {
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spin_unlock(&lowest_rq->lock);
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spin_unlock(&lowest_rq->lock);
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lowest_rq = NULL;
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lowest_rq = NULL;
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break;
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break;
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