File: reactor_panic.c

package info (click to toggle)
linux 6.16.3-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 1,724,576 kB
  • sloc: ansic: 26,558,545; asm: 271,315; sh: 143,998; python: 72,469; makefile: 57,126; perl: 36,821; xml: 19,553; cpp: 5,820; yacc: 4,915; lex: 2,955; awk: 1,667; sed: 28; ruby: 25
file content (42 lines) | stat: -rw-r--r-- 963 bytes parent folder | download | duplicates (8)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
// 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 __init register_react_panic(void)
{
	rv_register_reactor(&rv_panic);
	return 0;
}

static void __exit unregister_react_panic(void)
{
	rv_unregister_reactor(&rv_panic);
}

module_init(register_react_panic);
module_exit(unregister_react_panic);

MODULE_AUTHOR("Daniel Bristot de Oliveira");
MODULE_DESCRIPTION("panic rv reactor: panic if an exception is found.");