diff options
Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_task.c')
-rw-r--r-- | drivers/infiniband/sw/rxe/rxe_task.c | 40 |
1 files changed, 11 insertions, 29 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_task.c b/drivers/infiniband/sw/rxe/rxe_task.c index 80332638d9e3..6f8f353e9583 100644 --- a/drivers/infiniband/sw/rxe/rxe_task.c +++ b/drivers/infiniband/sw/rxe/rxe_task.c @@ -85,17 +85,17 @@ static bool is_done(struct rxe_task *task) /* do_task is a wrapper for the three tasks (requester, * completer, responder) and calls them in a loop until - * they return a non-zero value. It is called either - * directly by rxe_run_task or indirectly if rxe_sched_task - * schedules the task. They must call __reserve_if_idle to - * move the task to busy before calling or scheduling. - * The task can also be moved to drained or invalid - * by calls to rxe_cleanup_task or rxe_disable_task. - * In that case tasks which get here are not executed but - * just flushed. The tasks are designed to look to see if - * there is work to do and then do part of it before returning - * here with a return value of zero until all the work - * has been consumed then it returns a non-zero value. + * they return a non-zero value. It is called indirectly + * when rxe_sched_task schedules the task. They must + * call __reserve_if_idle to move the task to busy before + * calling or scheduling. The task can also be moved to + * drained or invalid by calls to rxe_cleanup_task or + * rxe_disable_task. In that case tasks which get here + * are not executed but just flushed. The tasks are + * designed to look to see if there is work to do and + * then do part of it before returning here with a return + * value of zero until all the work has been consumed then + * it returns a non-zero value. * The number of times the task can be run is limited by * max iterations so one task cannot hold the cpu forever. * If the limit is hit and work remains the task is rescheduled. @@ -234,24 +234,6 @@ void rxe_cleanup_task(struct rxe_task *task) spin_unlock_irqrestore(&task->lock, flags); } -/* run the task inline if it is currently idle - * cannot call do_task holding the lock - */ -void rxe_run_task(struct rxe_task *task) -{ - unsigned long flags; - bool run; - - WARN_ON(rxe_read(task->qp) <= 0); - - spin_lock_irqsave(&task->lock, flags); - run = __reserve_if_idle(task); - spin_unlock_irqrestore(&task->lock, flags); - - if (run) - do_task(task); -} - /* schedule the task to run later as a work queue entry. * the queue_work call can be called holding * the lock. |