Messages in this thread | | | Date | Sun, 30 Dec 2007 21:31:14 +0000 | From | Alan Cox <> | Subject | Re: [PATCH] x86: provide a DMI based port 0x80 I/O delay override |
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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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