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 16 static void default_threshold_interrupt(void) 17 { 18 pr_err("Unexpected threshold interrupt at vector %x\n", 19 THRESHOLD_APIC_VECTOR); 20 } 21 22 void (*mce_threshold_vector)(void) = default_threshold_interrupt; 23 24 DEFINE_IDTENTRY_SYSVEC(sysvec_threshold) 25 { 26 trace_threshold_apic_entry(THRESHOLD_APIC_VECTOR); 27 inc_irq_stat(irq_threshold_count); 28 mce_threshold_vector(); 29 trace_threshold_apic_exit(THRESHOLD_APIC_VECTOR); 30 apic_eoi(); 31 } 32