2322 			   struct btf *attach_btf, u32 btf_id,  in bpf_prog_load_check_attach()  argument
2325 	if (btf_id) {  in bpf_prog_load_check_attach()
2326 		if (btf_id > BTF_MAX_TYPE)  in bpf_prog_load_check_attach()
2343 	if (attach_btf && (!btf_id || dst_prog))  in bpf_prog_load_check_attach()
2960 				   u32 btf_id,  in bpf_tracing_prog_attach()  argument
2996 	if (!!tgt_prog_fd != !!btf_id) {  in bpf_tracing_prog_attach()
3015 		key = bpf_trampoline_compute_key(tgt_prog, NULL, btf_id);  in bpf_tracing_prog_attach()
3069 		btf_id = prog->aux->attach_btf_id;  in bpf_tracing_prog_attach()
3070 		key = bpf_trampoline_compute_key(NULL, prog->aux->attach_btf, btf_id);  in bpf_tracing_prog_attach()
3081 		err = bpf_check_attach_target(NULL, prog, tgt_prog, btf_id,  in bpf_tracing_prog_attach()
4120 		info.btf_id = btf_obj_id(prog->aux->btf);  in bpf_prog_get_info_by_fd()
4228 		info.btf_id = btf_obj_id(map->btf);  in bpf_map_get_info_by_fd()
4347 #define BPF_BTF_GET_FD_BY_ID_LAST_FIELD btf_id
4357 	return btf_get_fd_by_id(attr->btf_id);  in bpf_btf_get_fd_by_id()