vmw_execbuf_copy_fence_user
extern int vmw_execbuf_copy_fence_user(struct vmw_private *dev_priv,
ret = vmw_execbuf_copy_fence_user(dev_priv, vmw_fpriv(file_priv), ret,
vmw_execbuf_copy_fence_user(dev_priv, vmw_fp, 0, user_fence_rep, fence,
vmw_execbuf_copy_fence_user(dev_priv, vmw_fpriv(file_priv),