cpu/mce/threshold.c

0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003  * Common corrected MCE threshold handler code:
0004  */
0005 #include <linux/interrupt.h>
0006 #include <linux/kernel.h>
0007
0008 #include <asm/irq_vectors.h>
0009 #include <asm/traps.h>
0010 #include <asm/apic.h>
0011 #include <asm/mce.h>
0012 #include <asm/trace/irq_vectors.h>
0013
0014 #include "internal.h"
0015
0016 static void default_threshold_interrupt(void)
0017 {
0018     pr_err("Unexpected threshold interrupt at vector %x\n",
0019         THRESHOLD_APIC_VECTOR);
0020 }
0021
0022 void (*mce_threshold_vector)(void) = default_threshold_interrupt;
0023
0024 DEFINE_IDTENTRY_SYSVEC(sysvec_threshold)
0025 {
0026     trace_threshold_apic_entry(THRESHOLD_APIC_VECTOR);
0027     inc_irq_stat(irq_threshold_count);
0028     mce_threshold_vector();
0029     trace_threshold_apic_exit(THRESHOLD_APIC_VECTOR);
0030     ack_APIC_irq();
0031 }