[PATCH 3/4] locking/rtmutex: Update stale plist comments

Davidlohr Bueso
2015-05-19T17:29:29Z

... as of fb00aca4744 (rtmutex: Turn the plist into an rb-tree) we
no longer use plists for queuing any waiters. Update stale comments.

Signed-off-by: Davidlohr Bueso <dbueso@suse.de>
---
kernel/locking/rtmutex.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index 1d5cc9d..81aad32 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -626,7 +626,7 @@ static int rt_mutex_adjust_prio_chain(struct task_struct *task,
*/
prerequeue_top_waiter = rt_mutex_top_waiter(lock);

- /* [7] Requeue the waiter in the lock waiter list. */
+ /* [7] Requeue the waiter in the lock waiter tree. */
rt_mutex_dequeue(lock, waiter);
waiter->prio = task->prio;
rt_mutex_enqueue(lock, waiter);
@@ -664,7 +664,7 @@ static int rt_mutex_adjust_prio_chain(struct task_struct *task,
/*
* The waiter became the new top (highest priority)
* waiter on the lock. Replace the previous top waiter
- * in the owner tasks pi waiters list with this waiter
+ * in the owner tasks pi waiters tree with this waiter
* and adjust the priority of the owner.
*/
rt_mutex_dequeue_pi(task, prerequeue_top_waiter);
@@ -675,7 +675,7 @@ static int rt_mutex_adjust_prio_chain(struct task_struct *task,
/*
* The waiter was the top waiter on the lock, but is
* no longer the top prority waiter. Replace waiter in
- * the owner tasks pi waiters list with the new top
+ * the owner tasks pi waiters tree with the new top
* (highest priority) waiter and adjust the priority
* of the owner.
* The new top waiter is stored in @waiter so that
@@ -749,7 +749,7 @@ static int rt_mutex_adjust_prio_chain(struct task_struct *task,
*
* @lock: The lock to be acquired.
* @task: The task which wants to acquire the lock
- * @waiter: The waiter that is queued to the lock's wait list if the
+ * @waiter: The waiter that is queued to the lock's wait tree if the
* callsite called task_blocked_on_lock(), otherwise NULL
*/
static int try_to_take_rt_mutex(struct rt_mutex *lock, struct task_struct *task,
@@ -784,7 +784,7 @@ static int try_to_take_rt_mutex(struct rt_mutex *lock, struct task_struct *task,

/*
* If @waiter != NULL, @task has already enqueued the waiter
- * into @lock waiter list. If @waiter == NULL then this is a
+ * into @lock waiter tree. If @waiter == NULL then this is a
* trylock attempt.
*/
if (waiter) {
@@ -797,7 +797,7 @@ static int try_to_take_rt_mutex(struct rt_mutex *lock, struct task_struct *task,

/*
* We can acquire the lock. Remove the waiter from the
- * lock waiters list.
+ * lock waiters tree.
*/
rt_mutex_dequeue(lock, waiter);

@@ -829,7 +829,7 @@ static int try_to_take_rt_mutex(struct rt_mutex *lock, struct task_struct *task,
* No waiters. Take the lock without the
* pi_lock dance.@task->pi_blocked_on is NULL
* and we have no waiters to enqueue in @task
- * pi waiters list.
+ * pi waiters tree.
*/
goto takeit;
}
@@ -846,7 +846,7 @@ static int try_to_take_rt_mutex(struct rt_mutex *lock, struct task_struct *task,
/*
* Finish the lock acquisition. @task is the new owner. If
* other waiters exist we have to insert the highest priority
- * waiter into @task->pi_waiters list.
+ * waiter into @task->pi_waiters tree.
*/
if (rt_mutex_has_waiters(lock))
rt_mutex_enqueue_pi(task, rt_mutex_top_waiter(lock));
@@ -957,7 +957,7 @@ static int task_blocks_on_rt_mutex(struct rt_mutex *lock,
}

/*
- * Remove the top waiter from the current tasks pi waiter list and
+ * Remove the top waiter from the current tasks pi waiter tree and
* queue it up.
*
* Called with lock->wait_lock held.
--
2.1.4