英语难懂！

longkz

还有：Start an early, polled-mode console on the 8250/16550 UART at the specified I/O port or MMIO address, switching to the specified ttyS device later. The options are the same as for ttyS shown earlier.

Interrupts are a complex aspect of kernel behavior. The boot time options deal mostly with the interface between the kernel and the hardware that handles interrupts, such as the Intel chip's Advanced Programmable Interrupt Controller (APIC).

When an interrupt is not handled, search all known interrupt handlers for it. This is intended to get systems with badly broken firmware running.

When an interrupt is not handled, search all known interrupt handlers for it and also check all handlers on each timer interrupt. This is intended to get systems with badly broken firmware running.