提交 62175c75 编写于 作者: D David S. Miller
......@@ -128,8 +128,7 @@ static void handle_tx(struct vhost_net *net)
size_t hdr_size;
struct socket *sock;
/* TODO: check that we are running from vhost_worker?
* Not sure it's worth it, it's straight-forward enough. */
/* TODO: check that we are running from vhost_worker? */
sock = rcu_dereference_check(vq->private_data, 1);
if (!sock)
return;
......@@ -306,7 +305,8 @@ static void handle_rx_big(struct vhost_net *net)
size_t len, total_len = 0;
int err;
size_t hdr_size;
struct socket *sock = rcu_dereference(vq->private_data);
/* TODO: check that we are running from vhost_worker? */
struct socket *sock = rcu_dereference_check(vq->private_data, 1);
if (!sock || skb_queue_empty(&sock->sk->sk_receive_queue))
return;
......@@ -415,7 +415,8 @@ static void handle_rx_mergeable(struct vhost_net *net)
int err, headcount;
size_t vhost_hlen, sock_hlen;
size_t vhost_len, sock_len;
struct socket *sock = rcu_dereference(vq->private_data);
/* TODO: check that we are running from vhost_worker? */
struct socket *sock = rcu_dereference_check(vq->private_data, 1);
if (!sock || skb_queue_empty(&sock->sk->sk_receive_queue))
return;
......
......@@ -173,9 +173,9 @@ static inline int vhost_has_feature(struct vhost_dev *dev, int bit)
{
unsigned acked_features;
acked_features =
rcu_dereference_index_check(dev->acked_features,
lockdep_is_held(&dev->mutex));
/* TODO: check that we are running from vhost_worker or dev mutex is
* held? */
acked_features = rcu_dereference_index_check(dev->acked_features, 1);
return acked_features & (1 << bit);
}
......
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