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