Re: [Qemu-devel] [PATCH v3] ppc/spapr: Implement H_RANDOM hypercall in QEMU

[Eric Blake <eblake@redhat.com>]

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On 09/11/2015 03:17 AM, Thomas Huth wrote:
> The PAPR interface defines a hypercall to pass high-quality
> hardware generated random numbers to guests. Recent kernels can
> already provide this hypercall to the guest if the right hardware
> random number generator is available. But in case the user wants
> to use another source like EGD, or QEMU is running with an older
> kernel, we should also have this call in QEMU, so that guests that
> do not support virtio-rng yet can get good random numbers, too.
> 
> This patch now adds a new pseude-device to QEMU that either

s/pseude/pseudo/

> directly provides this hypercall to the guest or is able to
> enable the in-kernel hypercall if available. The in-kernel
> hypercall can be enabled with the use-kvm property, e.g.:
> 
>  qemu-system-ppc64 -device spapr-rng,use-kvm=true
> 

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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