1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (c) 2023 Red Hat, Inc. */ 3 #include <linux/bpf.h> 4 #include <bpf/bpf_helpers.h> 5 #include <bpf/bpf_tracing.h> 6 7 char _license[] SEC("license") = "GPL"; 8 9 /* Dummy fentry bpf prog for testing fentry attachment chains */ 10 SEC("fentry/XXX") 11 int BPF_PROG(recursive_attach, int a) 12 { 13 return 0; 14 } 15