RE: [PATCH v5 04/34] x86/traps: add external_interrupt() to dispatch external interrupts

[Li, Xin3]

> > +	if (sysvec < NR_SYSTEM_VECTORS) {
> > +		if (system_interrupt_handlers[sysvec])
> > +			system_interrupt_handlers[sysvec](regs);
> > +		else
> > +			dispatch_spurious_interrupt(regs, vector);
> 
> ISTR suggesting you can get rid of this branch if you stuff
> system_interrupt_handlers[] with dispatch_spurious_interrupt instead of NULL.

You're right, however I only fixed one.