On Wed, Jun 22, 2022 at 05:35:05PM +0000, Daniel Müller wrote:
> diff --git a/tools/lib/bpf/relo_core.c b/tools/lib/bpf/relo_core.c
> index 6ad3c3..e54370 100644
> --- a/tools/lib/bpf/relo_core.c
> +++ b/tools/lib/bpf/relo_core.c
> @@ -141,6 +141,84 @@ static bool core_relo_is_enumval_based(enum bpf_core_relo_kind kind)
> }
> }
>
> +int bpf_core_types_are_compat_recur(const struct btf *local_btf, __u32 local_id,
> + const struct btf *targ_btf, __u32 targ_id, int level)
> +{
[...]
> +
> + /* tail recurse for return type check */
> + skip_mods_and_typedefs(local_btf, local_type->type, &local_id);
> + skip_mods_and_typedefs(targ_btf, targ_type->type, &targ_id);
> + goto recur;
> + }
> + default:
> + return 0;
I actually left out the pr_warn here (present in libbpf but not the kernel). I
suppose it would be best to carry it over from libbpf?
Thanks,
Daniel
