| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright (C) 2019-2022 Red Hat, Inc. Daniel Bristot de Oliveira <bristot@kernel.org> |
| * |
| * Panic RV reactor: |
| * Prints the exception msg to the kernel message log and panic(). |
| */ |
| |
| #include <linux/ftrace.h> |
| #include <linux/tracepoint.h> |
| #include <linux/kernel.h> |
| #include <linux/module.h> |
| #include <linux/init.h> |
| #include <linux/rv.h> |
| |
| static void rv_panic_reaction(char *msg) |
| { |
| panic(msg); |
| } |
| |
| static struct rv_reactor rv_panic = { |
| .name = "panic", |
| .description = "panic the system if an exception is found.", |
| .react = rv_panic_reaction |
| }; |
| |
| static int register_react_panic(void) |
| { |
| rv_register_reactor(&rv_panic); |
| return 0; |
| } |
| |
| static void unregister_react_panic(void) |
| { |
| rv_unregister_reactor(&rv_panic); |
| } |
| |
| module_init(register_react_panic); |
| module_exit(unregister_react_panic); |
| |
| MODULE_LICENSE("GPL"); |
| MODULE_AUTHOR("Daniel Bristot de Oliveira"); |
| MODULE_DESCRIPTION("panic rv reactor: panic if an exception is found."); |