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(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 register_react_panic(void) 28 { 29 rv_register_reactor(&rv_panic); 30 return 0; 31 } 32 33 static void unregister_react_panic(void) 34 { 35 rv_unregister_reactor(&rv_panic); 36 } 37 38 module_init(register_react_panic); 39 module_exit(unregister_react_panic); 40 41 MODULE_LICENSE("GPL"); 42 MODULE_AUTHOR("Daniel Bristot de Oliveira"); 43 MODULE_DESCRIPTION("panic rv reactor: panic if an exception is found."); 44