Add print information necessary if user not enable sva.
Signed-off-by: Kai Ye <yekai13@huawei.com>
Link: https://lore.kernel.org/r/1623233345-8765-1-git-send-email-yekai13@huawei.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>