Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops

Andi Kleen
2007-12-09T16:59:21Z

> I mean, we expect 8usec delay -- historical ISA timing -- but when
> _PCI_ card with leds is inserted, it is likely to be faster than old
> ISA, right?

Yes, i guess switching to udelay at least on newer systems would
be a good idea. I'm not quite sure about systems without TSC though.

-Andi