fentry_recursive.c

 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
 7char _license[] SEC("license") = "GPL";
 8
 9/* Dummy fentry bpf prog for testing fentry attachment chains */
10SEC("fentry/XXX")
11int BPF_PROG(recursive_attach, int a)
12{
13	return 0;
14}