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DateMon, 02 Apr 2007 15:30:40 -0700
From"H. Peter Anvin" <>
SubjectRe: A set of "standard" virtual devices?
Jeff Garzik wrote:
>
> Sure, but let's look beyond device detection. For instance, it does not
> necessarily follow that emulating PCI DMA is the best way to go for
> communication with a virtual device, once detected.
>

This is true, of course. However, there are going to be a set of
virtual devices which don't necessarily have to have super-high
performance. In the case of a hwrng device, even doing DMA is probably
overkill.

> Outside of pci_device_id driver matching, is there much value here?

If we can get a set of device drivers that if not all then at least a
number of hypervisors and/or emulators can agree upon, I think that's
much won.

-hpa
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