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// 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 register_react_printk(void)
{
rv_register_reactor(&rv_printk);
return 0;
}
static void 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.");
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