nova/releasenotes/notes/bp-support-hpet-on-guest-22...

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---
features:
- |
Added support for the High Precision Event Timer (HPET) for x86 guests
in the libvirt driver when image property ``hypervisor_type=qemu`` is set.
The timer can be set by setting a ``hw_time_hpet=True`` image property
key/value pair. By default HPET remains turned off. When it is turned on
the HPET is activated in libvirt.