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