Kernel Stable ABI Rule

Posted Jan 2, 2020 10:40 UTC (Thu) by farnz (subscriber, #17727)
In reply to: Kernel Stable ABI Rule by clugstj
Parent article: KRSI — the other BPF security module

The rule as enforced is that an ABI change cannot break existing userspace - so changing ABI that's never used is absolutely fine. The goal is that you never get stuck on an old kernel version due to ABI changes, and thus there is never a reason to port features between ABI versions.