1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * Common corrected MCE threshold handler code:
 4 */
 5#include <linux/interrupt.h>
 6#include <linux/kernel.h>
 7
 8#include <asm/irq_vectors.h>
 9#include <asm/traps.h>
10#include <asm/apic.h>
11#include <asm/mce.h>
12#include <asm/trace/irq_vectors.h>
13
14#include "internal.h"
15
16static void default_threshold_interrupt(void)
17{
18	pr_err("Unexpected threshold interrupt at vector %x\n",
19		THRESHOLD_APIC_VECTOR);
20}
21
22void (*mce_threshold_vector)(void) = default_threshold_interrupt;
23
24asmlinkage __visible void __irq_entry smp_threshold_interrupt(struct pt_regs *regs)
25{
26	entering_irq();
27	trace_threshold_apic_entry(THRESHOLD_APIC_VECTOR);
28	inc_irq_stat(irq_threshold_count);
29	mce_threshold_vector();
30	trace_threshold_apic_exit(THRESHOLD_APIC_VECTOR);
31	exiting_ack_irq();
32}