irq_enter();
sp = rdsp();
if (unlikely((sp & (PAGE_SIZE - 1)) < (PAGE_SIZE/8))) {
printk("do_IRQ: stack overflow: %lX\n", sp);
show_stack(NULL, (unsigned long *)sp);
}
irq_enter();
sp = rdsp();
if (unlikely((sp & (PAGE_SIZE - 1)) < (PAGE_SIZE/8))) {
printk("do_IRQ: stack overflow: %lX\n", sp);
show_stack(NULL, (unsigned long *)sp);
}