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Diffstat (limited to 'docs/interop/vhost-user.rst')
| -rw-r--r-- | docs/interop/vhost-user.rst | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/docs/interop/vhost-user.rst b/docs/interop/vhost-user.rst index d1ed39dfa0..d8419fd2f1 100644 --- a/docs/interop/vhost-user.rst +++ b/docs/interop/vhost-user.rst @@ -1839,7 +1839,9 @@ is sent by the front-end. When the ``VHOST_USER_PROTOCOL_F_SHARED_OBJECT`` protocol feature has been successfully negotiated, this message can be submitted by the backend to remove themselves from to the virtio-dmabuf shared - table API. The shared table will remove the back-end device associated with + table API. Only the back-end owning the entry (i.e., the one that first added + it) will have permission to remove it. Otherwise, the message is ignored. + The shared table will remove the back-end device associated with the UUID. If ``VHOST_USER_PROTOCOL_F_REPLY_ACK`` is negotiated, and the back-end sets the ``VHOST_USER_NEED_REPLY`` flag, the front-end must respond with zero when operation is successfully completed, or non-zero otherwise. |