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42 lines
1003 B
42 lines
1003 B
// 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 <[email protected]> |
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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_LICENSE("GPL"); |
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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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