Our rwsem code (xadd, at least) is rather well documented, but there are a few really annoying comments in there that serve no purpose and we shouldn't bother with them.
Signed-off-by: Davidlohr Bueso <[email protected]> --- kernel/locking/rwsem-xadd.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/kernel/locking/rwsem-xadd.c b/kernel/locking/rwsem-xadd.c index b03623172277..e02fe3289b5a 100644 --- a/kernel/locking/rwsem-xadd.c +++ b/kernel/locking/rwsem-xadd.c @@ -234,7 +234,6 @@ struct rw_semaphore __sched *rwsem_down_read_failed(struct rw_semaphore *sem) struct task_struct *tsk = current; WAKE_Q(wake_q); - /* set up my own style of waitqueue */ waiter.task = tsk; waiter.type = RWSEM_WAITING_FOR_READ; @@ -613,7 +612,6 @@ struct rw_semaphore *rwsem_wake(struct rw_semaphore *sem) raw_spin_lock_irqsave(&sem->wait_lock, flags); locked: - /* do nothing if list empty */ if (!list_empty(&sem->wait_list)) __rwsem_mark_wake(sem, RWSEM_WAKE_ANY, &wake_q); @@ -637,7 +635,6 @@ struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem) raw_spin_lock_irqsave(&sem->wait_lock, flags); - /* do nothing if list empty */ if (!list_empty(&sem->wait_list)) __rwsem_mark_wake(sem, RWSEM_WAKE_READ_OWNED, &wake_q); -- 2.6.6
