cpu pinning request was ignored

[Alex Xu]

When boot instance with dedicated cpu_policy, the cpu_pinning field of InstanceNUMATopology is '{}'.
But the function 'instance_topology_from_instance' just missed that fields when convert instance numa topology dict back to object:

https://github.com/openstack/nova/blob/master/nova/virt/hardware.py#L1150.

That leads to the cpu_pinning just ignored.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/167972

[Davanum Srinivas (DIMS) (dims-v)]

Alex, why is this a High Importance bug?

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/167972
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=58256b6a39a522f33dfda929955ea46b7cd3331a
Submitter: Jenkins
Branch: master

commit 58256b6a39a522f33dfda929955ea46b7cd3331a
Author: He Jie Xu <email address hidden>
Date: Thu Mar 26 20:31:50 2015 +0800

    Fix missing the cpu_pinning request

    When boot instance with dedicated cpu_policy, the cpu_pinning field
    of InstanceNUMATopology is '{}'. But the function
    'instance_topology_from_instance' just missed that fields when convert
    instance numa topology dict back to object. That leads to the cpu_pinning
    just ignored. This patch fixed that.

    Change-Id: I8711cdc59c7455b3c8f94c68ab7f38d96ce168c4
    Closes-Bug: #1436823

[Alex Xu (xuhj)]

dims, honestly say I didn't very clear what rule of set bug importance, I just think this is cool feature, but just be ignored.