On Tue, Feb 9, 2021 at 10:26 AM Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote: > > > > Anything else would just be insanely complicated, I feel. > > The other model is “don’t do that then.” Hmm. I guess all the code that does int3 patching could just be taught to always go to the next instruction instead. I don't think advancing the rewriting is an option for the asm alternative() logic or the static call infrastructure, but those should never be about endbr anyway, so presumably that's not an issue. So if it ends up being _only_ about kprobes, then the "don't do that then" might work fine. Linus