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From: Richard Purdie <richard.purdie@linuxfoundation.org>
To: "Burton, Ross" <ross.burton@intel.com>, Otavio Salvador
	<otavio.salvador@ossystems.com.br>
Date: Thu, 16 Nov 2017 13:14:36 +0000
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Cc: Patches and discussions about the oe-core layer
	<openembedded-core@lists.openembedded.org>
Subject: Re: [PATCH] qemu.inc: Drop rng-tools
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On Thu, 2017-11-16 at 13:11 +0000, Burton, Ross wrote:
> On 15 November 2017 at 19:59, Otavio Salvador <otavio.salvador@ossyst
> ems.com.br> wrote:
> > > Are you enabling the virtio-rng driver so qemu can bridge the
> > host entropy
> > > into the guest?
> > 
> > I am not. Do you have an example of command line for it?
>  https://wiki.qemu.org/Features/VirtIORNG talks about qemu's support
> and what to turn on there (the default qemu machines enable that).
> 
> http://elixir.free-electrons.com/linux/latest/source/drivers/char/hw_
> random/Kconfig documents HW_RANDOM_VIRTIO and says at the top that
> the devices feed into the kernel pool.

Just to add, for qemuarm:

machine/qemuarm.conf:QB_OPT_APPEND = "-show-cursor -usb -device usb-tablet -device virtio-rng-pci"

the key piece being virtio-rng-pci on the commandline.

Cheers,

Richard