在 2022/4/6 上午11:43, Xuan Zhuo 写道:
Introduce vring_free() to free the vring of vq.
Subsequent patches will use vring_free() alone.
Signed-off-by: Xuan Zhuo <xuanz...@linux.alibaba.com>
Acked-by: Jason Wang <jasow...@redhat.com>
---
drivers/virtio/virtio_ring.c | 18 +++++++++++++-----
1 file changed, 13 insertions(+), 5 deletions(-)
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index cb6010750a94..33fddfb907a6 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -2301,14 +2301,10 @@ struct virtqueue *vring_new_virtqueue(unsigned int
index,
}
EXPORT_SYMBOL_GPL(vring_new_virtqueue);
-void vring_del_virtqueue(struct virtqueue *_vq)
+static void vring_free(struct virtqueue *_vq)
{
struct vring_virtqueue *vq = to_vvq(_vq);
- spin_lock(&vq->vq.vdev->vqs_list_lock);
- list_del(&_vq->list);
- spin_unlock(&vq->vq.vdev->vqs_list_lock);
-
if (vq->we_own_ring) {
if (vq->packed_ring) {
vring_free_queue(vq->vq.vdev,
@@ -2339,6 +2335,18 @@ void vring_del_virtqueue(struct virtqueue *_vq)
kfree(vq->split.desc_state);
kfree(vq->split.desc_extra);
}
+}
+
+void vring_del_virtqueue(struct virtqueue *_vq)
+{
+ struct vring_virtqueue *vq = to_vvq(_vq);
+
+ spin_lock(&vq->vq.vdev->vqs_list_lock);
+ list_del(&_vq->list);
+ spin_unlock(&vq->vq.vdev->vqs_list_lock);
+
+ vring_free(_vq);
+
kfree(vq);
}
EXPORT_SYMBOL_GPL(vring_del_virtqueue);
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