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SubjectRe: Can we kill f inb_p, outb_p and other random I/O on port 0x80, in 2.6?
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On Mon, 2003-09-22 at 18:33, Alan Cox wrote:
\
> > I've also seen much DOS code that didn't have extra delays for
> > keyboard I/Os. What sort of breakage did you observe with the
> > keyboard?
>
> DEC laptops hang is the well known example of that one.
>
> I'm *for* making this change to udelay, it just has to start up with a
> suitably pessimal udelay assumption until calibrated.

or we make udelay() do the port 80 access in the uncalibrated case....
The first person to complain about the extra branch miss in udelay for
this will get laughed at by me ;)

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