The function vhost_worker_queue() uses vhost_task_fn and
selects the different mode based on the value of inherit_owner.
Signed-off-by: Cindy Lu <lulu@xxxxxxxxxx>
---
drivers/vhost/vhost.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 603b146fccc1..8b7ddfb33c61 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -238,13 +238,18 @@ EXPORT_SYMBOL_GPL(vhost_poll_stop);
static void vhost_worker_queue(struct vhost_worker *worker,
struct vhost_work *work)
{
+ if (!worker && !worker->fn)
+ return;
+
if (!test_and_set_bit(VHOST_WORK_QUEUED, &work->flags)) {
/* We can only add the work to the list after we're
* sure it was not in the list.
* test_and_set_bit() implies a memory barrier.
*/
llist_add(&work->node, &worker->work_list);
- vhost_task_wake(worker->vtsk);
+ worker->fn->wakeup(worker->dev->inherit_owner ?
+ (void *)worker->vtsk :
+ (void *)worker->task);
}
}
--
2.45.0
