1 | // SPDX-License-Identifier: GPL-2.0 |
---|---|
2 | /* |
3 | * Copyright (C) 2019-2022 Red Hat, Inc. Daniel Bristot de Oliveira <bristot@kernel.org> |
4 | * |
5 | * Panic RV reactor: |
6 | * Prints the exception msg to the kernel message log and panic(). |
7 | */ |
8 | |
9 | #include <linux/ftrace.h> |
10 | #include <linux/tracepoint.h> |
11 | #include <linux/kernel.h> |
12 | #include <linux/module.h> |
13 | #include <linux/init.h> |
14 | #include <linux/rv.h> |
15 | |
16 | static void rv_panic_reaction(char *msg) |
17 | { |
18 | panic(fmt: msg); |
19 | } |
20 | |
21 | static struct rv_reactor rv_panic = { |
22 | .name = "panic", |
23 | .description = "panic the system if an exception is found.", |
24 | .react = rv_panic_reaction |
25 | }; |
26 | |
27 | static int __init register_react_panic(void) |
28 | { |
29 | rv_register_reactor(reactor: &rv_panic); |
30 | return 0; |
31 | } |
32 | |
33 | static void __exit unregister_react_panic(void) |
34 | { |
35 | rv_unregister_reactor(reactor: &rv_panic); |
36 | } |
37 | |
38 | module_init(register_react_panic); |
39 | module_exit(unregister_react_panic); |
40 | |
41 | MODULE_AUTHOR("Daniel Bristot de Oliveira"); |
42 | MODULE_DESCRIPTION("panic rv reactor: panic if an exception is found."); |
43 |