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SubjectRe: [PATCH] x86: provide a DMI based port 0x80 I/O delay override
On Sun, 30 Dec 2007 12:53:02 -0800
"H. Peter Anvin" <hpa@zytor.com> wrote:

> Bodo Eggert wrote:
> >
> > I've never seen code which would do that, and it was not suggested by any
> > tutorial I ever saw. I'd expect any machine to break on all kinds of software
> > if it required this. The only thing I remember being warned about is writing
> > the index and the data register at the same time using outw, because that
> > would write both registers at the same time on 16-bit-cards.
> >
>
> And we use that, and have been for 15 years. I haven't seen any screams
> of pain about it.

Actually there were, and I sent numerous people patches for that back in
ISA days.

Alan


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