[linux-2.6-block.git] / kernel / trace / rv / reactor_panic.c

// 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.");
Commit	Line	Data
e88043c0 DBO	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
93d71986	27	static int __init register_react_panic(void)
e88043c0 DBO	28	{
	29	rv_register_reactor(&rv_panic);
	30	return 0;
	31	}
	32
93d71986	33	static void __exit unregister_react_panic(void)
e88043c0 DBO	34	{
	35	rv_unregister_reactor(&rv_panic);
	36	}
	37
	38	module_init(register_react_panic);
	39	module_exit(unregister_react_panic);
	40
e88043c0 DBO	41	MODULE_AUTHOR("Daniel Bristot de Oliveira");
e88043c0 DBO	42	MODULE_DESCRIPTION("panic rv reactor: panic if an exception is found.");