linux-kernel - Re: Virt RNG?

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Date:	Thu, 15 May 2008 20:53:19 +0100
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Jeff Garzik <jeff@...zik.org>
CC:	LKML <linux-kernel@...r.kernel.org>, virtualization@...ts.osdl.org,
	Herbert Xu <herbert@...dor.apana.org.au>
Subject: Re: Virt RNG?

Jeff Garzik wrote:
> Has anyone yet written a "hw" RNG module for virt, that reads the host's 
> random number pool?
>
> All this talk[1] about IRQF_SAMPLE_RANDOM in network drivers reminds me 
> that virt guest instances should be grabbing random numbers from the 
> host, especially if the host has a hardware RNG.

It was actually one of the first device types proposed for what would 
become virtio, but as far as I know there has been no work on such a 
device.  It certainly makes lots of sense.

    J
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