Re: BTF: build failure on 32bit on linux-next

[Andrii Nakryiko]

On Fri, May 21, 2021 at 9:20 AM Michal Suchánek <msuchanek@xxxxxxx> wrote:
>
> Hello,
>
> looks like the TODO prints added in 67234743736a6 are not 32bit clean.
>
> Do you plan to implement this functionality or should they be fixed?

They should be fixed regardless. Can you please re-submit as a proper
patch to bpf@xxxxxxxxxxxxxxx with [PATCH bpf-next] subj prefix?

>
> Thanks
>
> Michal
>
> diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
> index 69cd1a835ebd..70a26af8d01f 100644
> --- a/tools/lib/bpf/libbpf.c
> +++ b/tools/lib/bpf/libbpf.c
> @@ -4565,7 +4565,7 @@ static int init_map_slots(struct bpf_object *obj, struct bpf_map *map)
>                 targ_map = map->init_slots[i];
>                 fd = bpf_map__fd(targ_map);
>                 if (obj->gen_loader) {
> -                       pr_warn("// TODO map_update_elem: idx %ld key %d value==map_idx %ld\n",
> +                       pr_warn("// TODO map_update_elem: idx %td key %d value==map_idx %td\n",
>                                 map - obj->maps, i, targ_map - obj->maps);
>                         return -ENOTSUP;
>                 } else {
> @@ -6189,7 +6189,7 @@ static int bpf_core_apply_relo(struct bpf_program *prog,
>                 return -EINVAL;
>
>         if (prog->obj->gen_loader) {
> -               pr_warn("// TODO core_relo: prog %ld insn[%d] %s %s kind %d\n",
> +               pr_warn("// TODO core_relo: prog %td insn[%d] %s %s kind %d\n",
>                         prog - prog->obj->programs, relo->insn_off / 8,
>                         local_name, spec_str, relo->kind);
>                 return -ENOTSUP;