Re: RFC: outb 0x80 in inb_p, outb_p harmful on some modern AMD64with MCP51 laptops

[Rene Herman]

On 07-12-07 15:54, Andi Kleen wrote:

> > 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.

Also see Alan's replies in the thread I posted a link to:

http://linux.derkeiler.com/Mailing-Lists/Kernel/2003-09/5700.html

Also 8254 (PIT) at least it seems.

Rene.
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