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>
30 lines
632 B
C
30 lines
632 B
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* lib/bust_spinlocks.c
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*
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* Provides a minimal bust_spinlocks for architectures which don't
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* have one of their own.
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*
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* bust_spinlocks() clears any spinlocks which would prevent oops, die(), BUG()
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* and panic() information from reaching the user.
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*/
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#include <linux/kernel.h>
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#include <linux/printk.h>
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#include <linux/spinlock.h>
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#include <linux/tty.h>
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#include <linux/wait.h>
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#include <linux/vt_kern.h>
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#include <linux/console.h>
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void bust_spinlocks(int yes)
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{
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if (yes) {
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++oops_in_progress;
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} else {
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console_unblank();
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if (--oops_in_progress == 0)
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wake_up_klogd();
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}
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}
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