1.. SPDX-License-Identifier: GPL-2.0 2 3ABI stable symbols 4================== 5 6Documents the interfaces that the developer has defined to be stable. 7 8Userspace programs are free to use these interfaces with no 9restrictions, and backward compatibility for them will be guaranteed 10for at least 2 years. 11 12Most interfaces (like syscalls) are expected to never change and always 13be available. 14 15.. kernel-abi:: stable 16 :no-files: 17