1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (c) 2025 Meta Platforms, Inc. and affiliates. */ 3 4 #include <vmlinux.h> 5 #include <bpf/bpf_tracing.h> 6 #include <bpf/bpf_helpers.h> 7 #include "bpf_misc.h" 8 9 char _license[] SEC("license") = "GPL"; 10 11 /* Sleepable program on a non-faultable tracepoint should fail to load */ 12 SEC("tp_btf.s/sched_switch") 13 __failure __msg("Sleepable program cannot attach to non-faultable tracepoint") 14 int BPF_PROG(handle_sched_switch, bool preempt, 15 struct task_struct *prev, struct task_struct *next) 16 { 17 return 0; 18 } 19