Re: [PATCH v2 18/24] vhost-net: vhost-user: update vhost_net_virtqueue_stop()

[Jason Wang]

在 2022/8/16 09:06, Kangjie Xu 写道:
Update vhost_net_virtqueue_stop() for vhost-user scenario.


Let's explain why it is needed now or why it doesn't cause any issue or 
it's a bug fix or not.

Thanks



Signed-off-by: Kangjie Xu <kangjie...@linux.alibaba.com>
Signed-off-by: Xuan Zhuo <xuanz...@linux.alibaba.com>
---
  hw/net/vhost_net.c | 4 ++++
  1 file changed, 4 insertions(+)

diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c
index 2ab67e875e..c0d408f3b4 100644
--- a/hw/net/vhost_net.c
+++ b/hw/net/vhost_net.c
@@ -533,6 +533,10 @@ void vhost_net_virtqueue_stop(VirtIODevice *vdev, 
NetClientState *nc,
          assert(r >= 0);
      }
  
+    if (net->nc->info->type == NET_CLIENT_DRIVER_VHOST_USER) {
+        idx = idx - net->dev.vq_index;
+    }
+
      vhost_dev_virtqueue_stop(&net->dev, vdev, idx);
  }