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| 3 | * Copyright (C) 2019-2022 Red Hat, Inc. Daniel Bristot de Oliveira <[email protected]>
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| 4 | *
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| 5 | * Panic RV reactor:
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| 6 | * Prints the exception msg to the kernel message log and panic().
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| 7 |
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| 8 |
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| 9 | #include <linux/ftrace.h>
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| 10 | #include <linux/tracepoint.h>
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| 11 | #include <linux/kernel.h>
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| 12 | #include <linux/module.h>
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| 13 | #include <linux/init.h>
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| 14 | #include <linux/rv.h>
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| 15 |
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| 16 | __printf(1, 0) static void rv_panic_reaction(const char *msg, va_list args)
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| 17 | {
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| 18 | vpanic(msg, args);
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| 19 | }
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| 20 |
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| 21 | static struct rv_reactor rv_panic = {
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| 22 | .name = "panic",
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| 23 | .description = "panic the system if an exception is found.",
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| 24 | .react = rv_panic_reaction
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| 25 | };
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| 26 |
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| 27 | static int __init register_react_panic(void)
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| 28 | {
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| 29 | rv_register_reactor(&rv_panic);
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| 30 | return 0;
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| 31 | }
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| 32 |
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| 33 | static void __exit unregister_react_panic(void)
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| 34 | {
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| 35 | rv_unregister_reactor(&rv_panic);
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| 36 | }
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| 37 |
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| 38 | module_init(register_react_panic);
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| 39 | module_exit(unregister_react_panic);
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| 40 |
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| 41 | MODULE_AUTHOR("Daniel Bristot de Oliveira");
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| 42 | MODULE_DESCRIPTION("panic rv reactor: panic if an exception is found.");
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