Re: [PATCH 2/2] lguest: virtio-rng support

From: Rusty Russell
Date: Mon May 19 2008 - 05:05:40 EST

On Saturday 17 May 2008 17:47:01 Jeremy Fitzhardinge wrote:
> But the host->guest protocol should include the number of bits estimated
> entropy along with the bits themselves.

If we go down that path, we have to come up with a way of feeding that
information to guest userspace. Patches welcome. If we meanwhile assume
entropy == #bits, it fits the current /dev/hwrng model, and we can add an
entropy count later if we want to change that.

I'll change my lguest implementation to suck from /dev/random, since noone
else seems to consider its depletion to be a real issue. It's no worse than
what any other process can do.

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