diff options
Diffstat (limited to 'drivers/virtio/virtio_ring.c')
| -rw-r--r-- | drivers/virtio/virtio_ring.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 0112742e4504..147926c8bae0 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -2530,7 +2530,7 @@ bool virtqueue_enable_cb_delayed(struct virtqueue *_vq) struct vring_virtqueue *vq = to_vvq(_vq); if (vq->event_triggered) - vq->event_triggered = false; + data_race(vq->event_triggered = false); return vq->packed_ring ? virtqueue_enable_cb_delayed_packed(_vq) : virtqueue_enable_cb_delayed_split(_vq); @@ -2815,6 +2815,7 @@ EXPORT_SYMBOL_GPL(virtqueue_set_dma_premapped); * virtqueue_reset - detach and recycle all unused buffers * @_vq: the struct virtqueue we're talking about. * @recycle: callback to recycle unused buffers + * @recycle_done: callback to be invoked when recycle for all unused buffers done * * Caller must ensure we don't call this with other virtqueue operations * at the same time (except where noted). @@ -2826,7 +2827,8 @@ EXPORT_SYMBOL_GPL(virtqueue_set_dma_premapped); * -EPERM: Operation not permitted */ int virtqueue_reset(struct virtqueue *_vq, - void (*recycle)(struct virtqueue *vq, void *buf)) + void (*recycle)(struct virtqueue *vq, void *buf), + void (*recycle_done)(struct virtqueue *vq)) { struct vring_virtqueue *vq = to_vvq(_vq); int err; @@ -2834,6 +2836,8 @@ int virtqueue_reset(struct virtqueue *_vq, err = virtqueue_disable_and_recycle(_vq, recycle); if (err) return err; + if (recycle_done) + recycle_done(_vq); if (vq->packed_ring) virtqueue_reinit_packed(vq); |