btf__get_map_kv_tids() is in the same group of APIs as btf_ext__reloc_func_info()/btf_ext__reloc_line_info() which were only used by BCC. It was missed to be marked as deprecated in [0]. Fixing that to complete [1]. [0] https://patchwork.kernel.org/project/netdevbpf/patch/20220201014610.3522985-1-davemarchevsky@xxxxxx/ [1] Closes: https://github.com/libbpf/libbpf/issues/277 Cc: Dave Marchevsky <davemarchevsky@xxxxxx> Cc: Yonghong Song <yhs@xxxxxx> Signed-off-by: Andrii Nakryiko <andrii@xxxxxxxxxx> --- tools/lib/bpf/btf.h | 1 + tools/lib/bpf/libbpf.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/tools/lib/bpf/btf.h b/tools/lib/bpf/btf.h index b10729fd830c..951ac7475794 100644 --- a/tools/lib/bpf/btf.h +++ b/tools/lib/bpf/btf.h @@ -150,6 +150,7 @@ LIBBPF_API void btf__set_fd(struct btf *btf, int fd); LIBBPF_API const void *btf__raw_data(const struct btf *btf, __u32 *size); LIBBPF_API const char *btf__name_by_offset(const struct btf *btf, __u32 offset); LIBBPF_API const char *btf__str_by_offset(const struct btf *btf, __u32 offset); +LIBBPF_DEPRECATED_SINCE(0, 7, "this API is not necessary when BTF-defined maps are used") LIBBPF_API int btf__get_map_kv_tids(const struct btf *btf, const char *map_name, __u32 expected_key_size, __u32 expected_value_size, diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 81605de8654e..904cdf83002b 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -4202,9 +4202,12 @@ static int bpf_map_find_btf_info(struct bpf_object *obj, struct bpf_map *map) if (!bpf_map__is_internal(map)) { pr_warn("Use of BPF_ANNOTATE_KV_PAIR is deprecated, use BTF-defined maps in .maps section instead\n"); +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wdeprecated-declarations" ret = btf__get_map_kv_tids(obj->btf, map->name, def->key_size, def->value_size, &key_type_id, &value_type_id); +#pragma GCC diagnostic pop } else { /* * LLVM annotates global data differently in BTF, that is, -- 2.30.2
