Re: [PATCH] bpf: btf: Always output invariant hit in pahole DWARF to BTF transform

[Chris Down <chris@xxxxxxxxxxxxxx>]

Andrii Nakryiko writes:
> > --- a/scripts/link-vmlinux.sh
> > +++ b/scripts/link-vmlinux.sh
> > @@ -108,13 +108,15 @@ gen_btf()
> >         local bin_arch
> >
> >         if ! [ -x "$(command -v ${PAHOLE})" ]; then
> > -               info "BTF" "${1}: pahole (${PAHOLE}) is not available"
> > +               printf 'BTF: %s: pahole (%s) is not available\n' \
> > +                       "${1}" "${PAHOLE}" >&2
>
> any reason not to use echo instead of printf? would be more minimal change

I generally avoid using echo because it has a bunch of portability gotchas 
which printf mostly doesn't have. If you'd prefer echo, that's fine though, 
just let me know and I can send v2.