Re: [uml-devel] Entropy on boot

[Paul Warren <pdw@ex-parrot.com>]

On Tue, Jun 21, 2005 at 10:19:08PM +0100, Chris Lightfoot wrote:
> On Tue, Jun 21, 2005 at 05:02:36PM -0400, Jeff Dike wrote:
> > That would never make it anywhere near mainline, so you would have a
> > choice of dumping that into every UML pool you build or fixing your
> > filesystems to use the rngtools.
> 
> Yeah -- it comes down to how often you build new
> distributions vs how often you build new kernels. Oh, and
> whether you anticipate tech support load from people who
> disable the hwrng userland tools and then discover that
> their virtual machine hangs on boot.

Quite - supporting kernel patches is much easier than O/S changes.  This
is why we now enforce cad = halt by disabling reboot functionality in
the kernel, rather than maintaining a change to /etc/inittab.

I admit that a proper pass-through drive for /dev/random might be a
nicer solution, but for us, hwrng is not.

Paul



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