tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * A scheduler that validates that we can invoke sched_ext kfuncs in
4 * BPF_PROG_TYPE_SYSCALL programs.
5 *
6 * Copyright (c) 2024 Meta Platforms, Inc. and affiliates.
7 * Copyright (c) 2024 David Vernet <dvernet@meta.com>
8 */
9
10#include <scx/common.bpf.h>
11
12UEI_DEFINE(uei);
13
14char _license[] SEC("license") = "GPL";
15
16SEC("syscall")
17int BPF_PROG(prog_run_syscall)
18{
19 scx_bpf_create_dsq(0, -1);
20 scx_bpf_exit(0xdeadbeef, "Exited from PROG_RUN");
21 return 0;
22}
23
24void BPF_STRUCT_OPS(prog_run_exit, struct scx_exit_info *ei)
25{
26 UEI_RECORD(uei, ei);
27}
28
29SEC(".struct_ops.link")
30struct sched_ext_ops prog_run_ops = {
31 .exit = (void *) prog_run_exit,
32 .name = "prog_run",
33};