// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2019-2022 Red Hat, Inc. Daniel Bristot de Oliveira <bristot@kernel.org> * * Printk RV reactor: * Prints the exception msg to the kernel message log. */ #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_printk_reaction(char *msg) { printk_deferred(msg); } static struct rv_reactor rv_printk = { .name = "printk", .description = "prints the exception msg to the kernel message log.", .react = rv_printk_reaction }; static int __init register_react_printk(void) { rv_register_reactor(&rv_printk); return 0; } static void __exit unregister_react_printk(void) { rv_unregister_reactor(&rv_printk); } module_init(register_react_printk); module_exit(unregister_react_printk); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Daniel Bristot de Oliveira"); MODULE_DESCRIPTION("printk rv reactor: printk if an exception is hit.");