Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
42 lines
1022 B
C
42 lines
1022 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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__printf(1, 0) static void rv_printk_reaction(const char *msg, va_list args)
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{
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vprintk_deferred(msg, args);
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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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