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
| |