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4f739ed19d
The only thing the reactors can do with the passed in varargs is to convert it into a va_list. Do that in a central helper instead. It simplifies the reactors, removes some hairy macro-generated code and introduces a convenient hook point to modify reactor behavior. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Link: https://lore.kernel.org/r/20251014-rv-lockdep-v1-1-0b9e51919ea8@linutronix.de Signed-off-by: Gabriele Monaco <gmonaco@redhat.com>
43 lines
1005 B
C
43 lines
1005 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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* Panic RV reactor:
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* Prints the exception msg to the kernel message log and panic().
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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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__printf(1, 0) static void rv_panic_reaction(const char *msg, va_list args)
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{
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vpanic(msg, args);
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}
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static struct rv_reactor rv_panic = {
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.name = "panic",
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.description = "panic the system if an exception is found.",
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.react = rv_panic_reaction
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};
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static int __init register_react_panic(void)
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{
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rv_register_reactor(&rv_panic);
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return 0;
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}
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static void __exit unregister_react_panic(void)
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{
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rv_unregister_reactor(&rv_panic);
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}
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module_init(register_react_panic);
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module_exit(unregister_react_panic);
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MODULE_AUTHOR("Daniel Bristot de Oliveira");
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MODULE_DESCRIPTION("panic rv reactor: panic if an exception is found.");
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