diff options
Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_task.c')
-rw-r--r-- | drivers/infiniband/sw/rxe/rxe_task.c | 52 |
1 files changed, 26 insertions, 26 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_task.c b/drivers/infiniband/sw/rxe/rxe_task.c index ec2b7de1c497..60b90e33a884 100644 --- a/drivers/infiniband/sw/rxe/rxe_task.c +++ b/drivers/infiniband/sw/rxe/rxe_task.c @@ -4,10 +4,6 @@ * Copyright (c) 2015 System Fabric Works, Inc. All rights reserved. */ -#include <linux/kernel.h> -#include <linux/interrupt.h> -#include <linux/hardirq.h> - #include "rxe.h" int __rxe_do_task(struct rxe_task *task) @@ -28,30 +24,31 @@ int __rxe_do_task(struct rxe_task *task) * a second caller finds the task already running * but looks just after the last call to func */ -void rxe_do_task(struct tasklet_struct *t) +static void do_task(struct tasklet_struct *t) { int cont; int ret; struct rxe_task *task = from_tasklet(task, t, tasklet); + struct rxe_qp *qp = (struct rxe_qp *)task->arg; unsigned int iterations = RXE_MAX_ITERATIONS; - spin_lock_bh(&task->state_lock); + spin_lock_bh(&task->lock); switch (task->state) { case TASK_STATE_START: task->state = TASK_STATE_BUSY; - spin_unlock_bh(&task->state_lock); + spin_unlock_bh(&task->lock); break; case TASK_STATE_BUSY: task->state = TASK_STATE_ARMED; fallthrough; case TASK_STATE_ARMED: - spin_unlock_bh(&task->state_lock); + spin_unlock_bh(&task->lock); return; default: - spin_unlock_bh(&task->state_lock); - pr_warn("%s failed with bad state %d\n", __func__, task->state); + spin_unlock_bh(&task->lock); + rxe_dbg_qp(qp, "failed with bad state %d\n", task->state); return; } @@ -59,7 +56,7 @@ void rxe_do_task(struct tasklet_struct *t) cont = 0; ret = task->func(task->arg); - spin_lock_bh(&task->state_lock); + spin_lock_bh(&task->lock); switch (task->state) { case TASK_STATE_BUSY: if (ret) { @@ -85,27 +82,25 @@ void rxe_do_task(struct tasklet_struct *t) break; default: - pr_warn("%s failed with bad state %d\n", __func__, - task->state); + rxe_dbg_qp(qp, "failed with bad state %d\n", + task->state); } - spin_unlock_bh(&task->state_lock); + spin_unlock_bh(&task->lock); } while (cont); task->ret = ret; } -int rxe_init_task(struct rxe_task *task, - void *arg, int (*func)(void *), char *name) +int rxe_init_task(struct rxe_task *task, void *arg, int (*func)(void *)) { task->arg = arg; task->func = func; - snprintf(task->name, sizeof(task->name), "%s", name); task->destroyed = false; - tasklet_setup(&task->tasklet, rxe_do_task); + tasklet_setup(&task->tasklet, do_task); task->state = TASK_STATE_START; - spin_lock_init(&task->state_lock); + spin_lock_init(&task->lock); return 0; } @@ -121,23 +116,28 @@ void rxe_cleanup_task(struct rxe_task *task) task->destroyed = true; do { - spin_lock_bh(&task->state_lock); + spin_lock_bh(&task->lock); idle = (task->state == TASK_STATE_START); - spin_unlock_bh(&task->state_lock); + spin_unlock_bh(&task->lock); } while (!idle); tasklet_kill(&task->tasklet); } -void rxe_run_task(struct rxe_task *task, int sched) +void rxe_run_task(struct rxe_task *task) +{ + if (task->destroyed) + return; + + do_task(&task->tasklet); +} + +void rxe_sched_task(struct rxe_task *task) { if (task->destroyed) return; - if (sched) - tasklet_schedule(&task->tasklet); - else - rxe_do_task(&task->tasklet); + tasklet_schedule(&task->tasklet); } void rxe_disable_task(struct rxe_task *task) |