linux-kernel - Re: A set of "standard" virtual devices?

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Message-ID: <461182BE.5040902@garzik.org>
Date:	Mon, 02 Apr 2007 18:25:02 -0400
From:	Jeff Garzik <jeff@...zik.org>
To:	"H. Peter Anvin" <hpa@...or.com>
CC:	Jeremy Fitzhardinge <jeremy@...p.org>, Andi Kleen <ak@...e.de>,
	virtualization@...ts.linux-foundation.org,
	Virtualization Mailing List <virtualization@...ts.osdl.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	mathiasen@...il.com
Subject: Re: A set of "standard" virtual devices?

H. Peter Anvin wrote:
> However, one probably wants to think about what the heck one actually 
> means with "virtualization" in the absence of a lot of this stuff.  PCI 
> is probably the closest thing we have to a lowest common denominator for 
> device detection.


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.

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

	Jeff


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