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Subject: Re: VGA PCI IO port reservations
To: hpa@zytor.com (H. Peter Anvin)
Date: Sat, 18 Nov 2000 17:02:00 +0000 (GMT)
Cc: linux-kernel@vger.kernel.org
In-Reply-To: <8v4oe5$vbl$1@cesium.transmeta.com> from "H. Peter Anvin" at Nov 17, 2000 06:10:13 PM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> It is.  There are plenty of devices for which an arbitrary IN is an
> irrecoverable state transition.

The ne2000 clones being the most infamous of them. Blind ISA read probing is
not a safe business

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