Flush to guarantee no workers are running when suspend returns.
Signed-off-by: Steve Sistare <steven.sistare@xxxxxxxxxx>
---
drivers/vdpa/vdpa_sim/vdpa_sim.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c
index be2925d0d283..a662b90357c3 100644
--- a/drivers/vdpa/vdpa_sim/vdpa_sim.c
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c
@@ -74,6 +74,17 @@ static void vdpasim_worker_change_mm_sync(struct vdpasim *vdpasim,
kthread_flush_work(work);
}
+static void flush_work_fn(struct kthread_work *work) {}
+
+static void vdpasim_flush_work(struct vdpasim *vdpasim)
+{
+ struct kthread_work work;
+
+ kthread_init_work(&work, flush_work_fn);
+ kthread_queue_work(vdpasim->worker, &work);
+ kthread_flush_work(&work);
+}
+
static struct vdpasim *vdpa_to_sim(struct vdpa_device *vdpa)
{
return container_of(vdpa, struct vdpasim, vdpa);
@@ -511,6 +522,8 @@ static int vdpasim_suspend(struct vdpa_device *vdpa)
vdpasim->running = false;
mutex_unlock(&vdpasim->mutex);
+ vdpasim_flush_work(vdpasim);
+
return 0;
}
--
2.39.3
