[openstack-dev] LXC host device passthrough

Brian Schott brian.schott at nimbisservices.com
Thu Aug 22 13:21:46 UTC 2013

Mikyung is on that USC-ISI team.  I was going to ask the current maintainer JP if we should start retiring some of these older blueprints.  GPU support has moved on since I started these in 2011 and maybe it makes sense to migrate to something that extends/derives from:

I'd love to work on this again, but alas, small company, paying the bills....


On Aug 22, 2013, at 8:30 AM, Russell Bryant <rbryant at redhat.com> wrote:

> On 08/21/2013 05:31 PM, Mikyung Kang wrote:
>> Hi,
>> We are considering the LXC host device passthrough for GPU.
>> Is anybody already working on this LXC host device passthrough?
>> If it is not already done,
>> we are interested in implementing this LXC host device passthrough.
>> We want to get some opinions/comments about LXC host device passthrough.
>> We think LXC host device passthrough is similar to KVM pci-passthrough,
>> and can share much code for KVM PCI Passthrough:
>> https://review.openstack.org/#/q/topic:pci-passthrough-enhancement,n,z
>> We think it can be done by adding some code for LXC passthrough 
>> to the KVM pci-passthrough code by updating codes under nova/pci/ 
>> and creates a few more files. Maybe DB, scheduler, and object support wise, 
>> they can be adapted for LXC host device by adding one more table.
>> Any better idea?
> Someone else has worked on this some.
> https://blueprints.launchpad.net/nova/+spec/heterogeneous-gpu-accelerator-support
> IIRC, the code still needed a good bit of work, though.
> -- 
> Russell Bryant
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