On 11/18/24 17:24, Stephen Hemminger wrote:
If lock is acquired for write, it must be released for write
or a deadlock is likely.
Bugzilla ID: 1582
Fixes: 9fc93a1e2320 ("vhost: fix virtqueue access check in datapath")
Cc: david.march...@redhat.com
Cc: sta...@dpdk.org
Signed-off-by: Stephen Hemminger <step...@networkplumber.org>
---
lib/vhost/virtio_net.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/vhost/virtio_net.c b/lib/vhost/virtio_net.c
index 298a5dae74..d764d4bc6a 100644
--- a/lib/vhost/virtio_net.c
+++ b/lib/vhost/virtio_net.c
@@ -2538,7 +2538,7 @@ virtio_dev_rx_async_submit(struct virtio_net *dev, struct
vhost_virtqueue *vq,
if (unlikely(!vq->access_ok)) {
vhost_user_iotlb_rd_unlock(vq);
- rte_rwlock_read_unlock(&vq->access_lock);
+ rte_rwlock_write_unlock(&vq->access_lock);
virtio_dev_vring_translate(dev, vq);
goto out_no_unlock;
Applied to dpdk-next-virtio/for-main with suggested title change.
Thanks,
Maxime