[libvirt] [Xen-devel] libvirt/libxl implemetation of get_online_cpu / virNodeGetCPUMap?

[Ian Campbell]

On Wed, 2015-02-25 at 15:03 +0000, Daniel P. Berrange wrote:
> FWIW, this code in openstack was only added for benefit of s390
> architecture where apparently it is common to have hosts with
> CPUs offlined. Presumably you have to pay IBM for each extra
> CPU you turn online :)

Presumably :-)

OOI, why does the code care which CPUs are online rather than just the
total number (IOW why a bitmap)?

Ian.