irq_enter();
asm volatile ("mc 0,0");
if (S390_lowcore.int_clock >= S390_lowcore.jiffy_timer)
+ /**
+ * Make sure that the i/o interrupt did not "overtake"
+ * the last HZ timer interrupt.
+ */
account_ticks(regs);
kstat_cpu(smp_processor_id()).irqs[EXTERNAL_INTERRUPT]++;
index = code & 0xff;