[PATCH V3 1/3] vhost-vdpa: flush workers on suspend

[Steve Sistare]

Flush to guarantee no workers are running when suspend returns.

Fixes: f345a0143b4d ("vhost-vdpa: uAPI to suspend the device")
Signed-off-by: Steve Sistare <steven.sist...@oracle.com>
Acked-by: Eugenio Pérez <epere...@redhat.com>
---
 drivers/vhost/vdpa.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c
index ba52d128aeb7..189596caaec9 100644
--- a/drivers/vhost/vdpa.c
+++ b/drivers/vhost/vdpa.c
@@ -594,6 +594,7 @@ static long vhost_vdpa_suspend(struct vhost_vdpa *v)
        struct vdpa_device *vdpa = v->vdpa;
        const struct vdpa_config_ops *ops = vdpa->config;
        int ret;
+       struct vhost_dev *vdev = &v->vdev;
 
        if (!(ops->get_status(vdpa) & VIRTIO_CONFIG_S_DRIVER_OK))
                return 0;
@@ -601,6 +602,8 @@ static long vhost_vdpa_suspend(struct vhost_vdpa *v)
        if (!ops->suspend)
                return -EOPNOTSUPP;
 
+       vhost_dev_flush(vdev);
+
        ret = ops->suspend(vdpa);
        if (!ret)
                v->suspended = true;
-- 
2.39.3