Re: [RFC PATCH v2 00/11] objtool/klp: DWARF-based cross-build symbol correlation

[Josh Poimboeuf <jpoimboe@kernel.org>]

On Fri, Nov 13, 2026 at 11:58:31AM +0800, Longjun Luo wrote:
> I understand the concern about readability. Since English is not my
> native language, I drafted the content myself and used AI to help with
> the English writing before reviewing and sending it out. I'll keep the
> information density in mind going forward.
> 
> Just to clarify the background: this design comes from my practical work
> on userspace livepatch, and v1/v2 were meant to present the two
> layers of that design as a whole. While dealing with LTO in practice, I
> ran into many recurring correlation issues, so I tried to abstract and
> model the problem systematically rather than hunting for corner cases,
> and I brought that modeling process into this review.
> 
> As noted in the RFC, this patchset is intended to validate the
> feasibility of the approach. I wanted feedback on the overall design
> before deciding whether to take it further.
> 
> Thanks for taking the time to review and share your thoughts.

Thanks, that makes sense, but for upstreaming I think we will need to
take a more iterative approach, even if it ends up causing some
intermediate patches to be obsoleted by later ones.

-- 
Josh