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Date: Mon, 02 Apr 2007 15:30:40 -0700 From: "H. Peter Anvin" <hpa@...or.com> To: Jeff Garzik <jeff@...zik.org> 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? 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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