Topics in live kernel patching

> As the article mentions, the patch build system can safely cope with with "most of the optimization issues". If optimisations applied to a function propagate to callees or elsewhere, then those call sites will be picked up by the diff as well.

Not quite sure what you are saying there. Do you mean that the current approach is already good enough, or are you questioning whether it is? It sounds rather fragile to me, in the category "it works fine until it doesn't".