On Thu, 11 Nov 2021 at 18:19, Andrii Nakryiko <andrii.nakryiko@xxxxxxxxx> wrote: > > On Wed, Nov 10, 2021 at 11:23 AM Stanislav Fomichev <sdf@xxxxxxxxxx> wrote: > > > > Otherwise, attaching with bpftool doesn't work with strict section names. > > > > Also: > > > > - add --legacy option to switch back to pre-1.0 behavior > > - print a warning when program fails to load in strict mode to point > > to --legacy flag > > - by default, don't append / to the section name; in strict > > mode it's relevant only for a small subset of prog types > > > > LGTM. I'll wait for Quenting's ack before applying. Thanks! Looks good as well, thanks Stanislav! Reviewed-by: Quentin Monnet <quentin@xxxxxxxxxxxxx> I wonder if we should display some indication ("libbpf_strict"?) in the output of "bpftool version", alongside "libbfd" and "skeleton"? It's not strictly a feature (and would always be present for newer versions), but it could help to check how a bpftool binary will behave? (I don't mind taking it as a follow-up.) Quentin