Merged as part of the objtool changes for the Linux 6.19 kernel is introducing the “klp-build” script as a new solution to generate livepatch modules using a source .patch file as the input. This klp-build effort was spearheaded by Josh Poimboeuf with ideas learned from the out-of-tree Kpatch project over the past decade.



Oh nice, I just watched the 2024 Busan DebConf talk on livepatching, and they mentioned this, but it wasn’t ready yet.