I wonder if we should create a dedicated issue to track it. There is an 
existing one - https://github.com/cloudius-systems/osv/issues/717 - which 
seems very related. BTW per this issue somebody reported being able to 
(almost) boot OSv on Raspberry Pi! 

There is also another issue tracking new KVM based EC2 instances support 
- https://github.com/cloudius-systems/osv/issues/924.

Finally I also wanted to point out that Firecracker team is actively 
working on ARM support as well 
- https://github.com/firecracker-microvm/firecracker/issues/648 and 
https://github.com/firecracker-microvm/firecracker/milestone/3. This would 
be another alternative to run OSv on and possibly easier as we already 
support virtio-mmio drivers which x64 firecracker exposes and I quite 
likely the arm version would support it as well. Just saying...

Waldek

On Monday, March 25, 2019 at 3:43:40 PM UTC-4, rickp wrote:
>
> On Mon, 2019-03-25 at 20:19 +0100, Rick Payne wrote: 
> > 
> > The amazon A1 instances has these devices. I guess we need ENA 
> > support 
> > for Amazon's new hypervisors anyway... (SR-IOV). 
>
> Another thing we'd need to do - the A1 instances use a GICv3, whereas 
> OSv supports GICv2. Whether we can just ignore the extra features I'm 
> not sure - but we'd have to do some work, as with the Amazon DTB, I get 
> this: 
>
> arch-setup: failed to get GICv2 information from dtb. 
>
> So GICv3 work, ENA driver (and NVMe if we don't have it) and we may be 
> on our way... 
>
> Rick 
>
>
>

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