提交 4df64c0b 编写于 作者: I Ingo Molnar

sched: clean up find_lock_lowest_rq()

clean up find_lock_lowest_rq().
Signed-off-by: NIngo Molnar <mingo@elte.hu>
上级 79064fbf
...@@ -438,12 +438,11 @@ static int find_lowest_rq(struct task_struct *task) ...@@ -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, ...@@ -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;
......
Markdown is supported
0% .
You are about to add 0 people to the discussion. Proceed with caution.
先完成此消息的编辑!
想要评论请 注册