On Mon, Sep 02, 2024 at 08:59:43PM -0700, Josh Poimboeuf wrote: > Hi, > > Here's a new way to build livepatch modules called klp-build. > > I started working on it when I realized that objtool already does 99% of > the work needed for detecting function changes. > > This is similar in concept to kpatch-build, but the implementation is > much cleaner. > > Personally I still have reservations about the "source-based" approach > (klp-convert and friends), including the fragility and performance > concerns of -flive-patching. I would submit that klp-build might be > considered the "official" way to make livepatch modules. > > Please try it out and let me know what you think. Based on v6.10. > > Also avaiable at: > > git://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git klp-build-rfc Here's an updated branch with a bunch of fixes. It's still incompatible with BTF at the moment, otherwise it should (hopefully) fix the rest of the issues reported so far. While the known bugs are fixed, I haven't finished processing all the review comments yet. Once that happens I'll post a proper v2. git://git.kernel.org/pub/scm/linux/kernel/git/jpoimboe/linux.git klp-build-v1.5 -- Josh
