Messages in this thread |  | | | Date | Fri, 7 Dec 2007 15:54:30 +0100 | | From | Andi Kleen <> | | Subject | Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64 with MCP51 laptops |
> My machine in question, for example, needs no waiting within CMOS_READs
> at all. And I doubt any other chip/device needs waiting that isn't
I don't know about CMOS, but there were definitely some not too ancient
systems (let's say not more than 10 years) who required IO delays in the
floppy driver and the 8253/8259. But on those the jumps are already
far too fast.
-Andi
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