/* * Common corrected MCE threshold handler code: */ #include <linux/interrupt.h> #include <linux/kernel.h> #include <asm/irq_vectors.h> #include <asm/apic.h> #include <asm/idle.h> #include <asm/mce.h> static void default_threshold_interrupt(void) { printk(KERN_ERR "Unexpected threshold interrupt at vector %x\n", THRESHOLD_APIC_VECTOR); } void (*mce_threshold_vector)(void) = default_threshold_interrupt; asmlinkage void smp_threshold_interrupt(void) { exit_idle(); irq_enter(); inc_irq_stat(irq_threshold_count); mce_threshold_vector(); irq_exit(); /* Ack only at the end to avoid potential reentry */ ack_APIC_irq(); }