Re: [PATCH 0/3] Add support for Graviton TRNG

[Will Deacon]

On Tue, Jun 04, 2019 at 08:30:57PM +0000, Ali Saidi wrote:
> AWS Graviton based systems provide an Arm SMC call in the vendor defined
> hypervisor region to read random numbers from a HW TRNG and return them to the
> guest. 
> 
> We've observed slower guest boot and especially reboot times due to lack of
> entropy and providing access to a TRNG is meant to address this. 

Curious, but why this over something like virtio-rng?

Will