sched: clean up this_rq use in kernel/sched_rt.c

"this_rq" is normally used to denote the RQ on the current cpu
(i.e. "cpu_rq(this_cpu)").  So clean up the usage of this_rq to be
more consistent with the rest of the code.

Signed-off-by: Gregory Haskins <ghaskins@novell.com>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Gregory Haskins 2008-01-25 21:08:09 +01:00 committed by Ingo Molnar
parent 73fe6aae84
commit 697f0a487f

View File

@ -328,21 +328,21 @@ static struct rq *find_lock_lowest_rq(struct task_struct *task,
* running task can migrate over to a CPU that is running a task
* of lesser priority.
*/
static int push_rt_task(struct rq *this_rq)
static int push_rt_task(struct rq *rq)
{
struct task_struct *next_task;
struct rq *lowest_rq;
int ret = 0;
int paranoid = RT_MAX_TRIES;
assert_spin_locked(&this_rq->lock);
assert_spin_locked(&rq->lock);
next_task = pick_next_highest_task_rt(this_rq, -1);
next_task = pick_next_highest_task_rt(rq, -1);
if (!next_task)
return 0;
retry:
if (unlikely(next_task == this_rq->curr)) {
if (unlikely(next_task == rq->curr)) {
WARN_ON(1);
return 0;
}
@ -352,24 +352,24 @@ static int push_rt_task(struct rq *this_rq)
* higher priority than current. If that's the case
* just reschedule current.
*/
if (unlikely(next_task->prio < this_rq->curr->prio)) {
resched_task(this_rq->curr);
if (unlikely(next_task->prio < rq->curr->prio)) {
resched_task(rq->curr);
return 0;
}
/* We might release this_rq lock */
/* We might release rq lock */
get_task_struct(next_task);
/* find_lock_lowest_rq locks the rq if found */
lowest_rq = find_lock_lowest_rq(next_task, this_rq);
lowest_rq = find_lock_lowest_rq(next_task, rq);
if (!lowest_rq) {
struct task_struct *task;
/*
* find lock_lowest_rq releases this_rq->lock
* find lock_lowest_rq releases rq->lock
* so it is possible that next_task has changed.
* If it has, then try again.
*/
task = pick_next_highest_task_rt(this_rq, -1);
task = pick_next_highest_task_rt(rq, -1);
if (unlikely(task != next_task) && task && paranoid--) {
put_task_struct(next_task);
next_task = task;
@ -380,7 +380,7 @@ static int push_rt_task(struct rq *this_rq)
assert_spin_locked(&lowest_rq->lock);
deactivate_task(this_rq, next_task, 0);
deactivate_task(rq, next_task, 0);
set_task_cpu(next_task, lowest_rq->cpu);
activate_task(lowest_rq, next_task, 0);