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 default_threshold_interrupt(void)14static void default_threshold_interrupt(void) 15 { 16 pr_err("Unexpected threshold interrupt at vector %x\n", 17 THRESHOLD_APIC_VECTOR); 18 } 19 20 void (*mce_threshold_vector)(void) = default_threshold_interrupt; 21 smp_threshold_interrupt(struct pt_regs * regs)22asmlinkage __visible void __irq_entry smp_threshold_interrupt(struct pt_regs *regs) 23 { 24 entering_irq(); 25 trace_threshold_apic_entry(THRESHOLD_APIC_VECTOR); 26 inc_irq_stat(irq_threshold_count); 27 mce_threshold_vector(); 28 trace_threshold_apic_exit(THRESHOLD_APIC_VECTOR); 29 exiting_ack_irq(); 30 } 31