Actually, a lot of code in the Linux kernel is GPLv2-or-later. Its just that there's a lot of GPLv2-only code that means the final product is GPLv2-only. In fac

Actually, a lot of code in the Linux kernel is GPLv2-or-later. Its just that there's a lot of GPLv2-only code that means the final product is GPLv2-only. In fact there was a time when Linus asked people to show their opinion on the licensing exactly by doing that and specifying in every file what the author licensed their changes under.