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

[Chris Down]

Andrii Nakryiko writes:
> On Tue, Jan 21, 2020 at 12:29 PM Chris Down <chris@xxxxxxxxxxxxxx> wrote:
> > 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.
>
> The rest of the script is using echo for errors, so let's stick to it
> for consistency. Thanks!

Sure thing, I'll send v2. Thanks! :-)