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>
37 lines
870 B
C
37 lines
870 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <linux/irqdesc.h>
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#include <linux/irqnr.h>
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#include "internals.h"
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void machine_kexec_mask_interrupts(void)
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{
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struct irq_desc *desc;
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unsigned int i;
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for_each_irq_desc(i, desc) {
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struct irq_chip *chip;
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int check_eoi = 1;
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chip = irq_desc_get_chip(desc);
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if (!chip || !irqd_is_started(&desc->irq_data))
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continue;
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if (IS_ENABLED(CONFIG_GENERIC_IRQ_KEXEC_CLEAR_VM_FORWARD)) {
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/*
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* First try to remove the active state from an interrupt which is forwarded
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* to a VM. If the interrupt is not forwarded, try to EOI the interrupt.
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*/
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check_eoi = irq_set_irqchip_state(i, IRQCHIP_STATE_ACTIVE, false);
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}
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if (check_eoi && chip->irq_eoi && irqd_irq_inprogress(&desc->irq_data))
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chip->irq_eoi(&desc->irq_data);
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irq_shutdown(desc);
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}
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}
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