1 /* 2 * Common corrected MCE threshold handler code: 3 */ 4 #include <linux/interrupt.h> 5 #include <linux/kernel.h> 6 7 #include <asm/irq_vectors.h> 8 #include <asm/apic.h> 9 #include <asm/idle.h> 10 #include <asm/mce.h> 11 default_threshold_interrupt(void)12static void default_threshold_interrupt(void) 13 { 14 printk(KERN_ERR "Unexpected threshold interrupt at vector %x\n", 15 THRESHOLD_APIC_VECTOR); 16 } 17 18 void (*mce_threshold_vector)(void) = default_threshold_interrupt; 19 smp_threshold_interrupt(void)20asmlinkage void smp_threshold_interrupt(void) 21 { 22 irq_enter(); 23 exit_idle(); 24 inc_irq_stat(irq_threshold_count); 25 mce_threshold_vector(); 26 irq_exit(); 27 /* Ack only at the end to avoid potential reentry */ 28 ack_APIC_irq(); 29 } 30