On Wed, 15 Jul 2020, Josh Poimboeuf wrote: > On Wed, Jul 15, 2020 at 03:41:55PM +0200, Petr Mladek wrote: > > On Wed 2020-07-15 14:10:54, Petr Mladek wrote: > > > On Wed 2020-07-15 13:11:14, Miroslav Benes wrote: > > > > Petr, would you agree to revert -flive-patching. > > > > > > Yes, I agree. > > > > Or better to say that I will not block it. > > > > I see that it causes maintenance burden. There are questions about > > reliability and performance impact. I do not have a magic solution > > in the pocket. > > > > Anyway, we need a solution to know what functions need to get livepatched. > > I do not have experience with comparing the assembly, so I do not know > > how it is complicated and reliable. > > Thanks Petr/Miroslav. I can do the revert patch. It doesn't have to be > a permanent revert. I'd certainly be willing to ACK it again in the > future if/when it becomes more ready. Ok. > Yannick has agreed to start looking at the objtool function diff > feature. It's purely theoretical at the moment, we'll see how it works > in practice. We already do something similar in kpatch-build -- it > differs from the objtool model, but it at least shows that something > similar is possible. Great. I'm looking forward to seeing that. Thanks Miroslav