On Sun, 3 Apr 2011, Stuart D. Gathman wrote:
I have heard of hardware that raised NMI in normal operation as a kind
of highest priority interrupt. However, such hardware is generally
equivalent to broken.
OT: the linux-ecc project trapped NMI from memory errors and mapped out bad
memory pages (with a persistent map) so that bad memory could be used
reliably. So there are legitimate uses for NMI in normal operation.
Debuggers can also use NMI.
--
Stuart D. Gathman <stuart@bmsi.com>
Business Management Systems Inc. Phone: 703 591-0911 Fax: 703 591-6154
"Confutatis maledictis, flammis acribus addictis" - background song for
a Microsoft sponsored "Where do you want to go from here?" commercial.
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