Re: [Qemu-devel] virtio-rng and fd passing

[H. Peter Anvin]

On 02/28/2013 04:36 PM, Eric Blake wrote:
> Stefan Berger and I discovered on IRC that virtio-rng is unable to 
> support fd passing.  We attempted:
> 
> qemu-system-x86_64 ... -add-fd
> set=4,fd=34,opaque=RDONLY:/dev/urandom
                            ^^^^^^^^^^^^
> -object rng-random,id=rng0,filename=/dev/fdset/4 -device 
> virtio-rng-pci,rng=rng0,bus=pci.0,addr=0x6
> 

Unrelated, but you really, really, really don't want to pass
/dev/urandom there, use /dev/random.

        -hpa