nova/releasenotes/notes/bug-1864588-737c29560effd16e.yaml
Kevin Zhao 5d4f82a15c Add default cpu model for AArch64
Unlike x86, AArch64 doesn't have a default model.
Usually when using libvirt driver, set cpu mode to custom, nova
will call libvirt to return the default models. But for aarch64,
the support CPU models varies according to machine type.

AArch64 use "virt" as the default machine type. In Qemu it support
several models, and we should choose "max" as the by default one.

Closes-Bug: #1864588
Change-Id: Ib2df50bda991a659fe10ef1dd9e7ab56800c34fb
Signed-off-by: Kevin Zhao <kevin.zhao@linaro.org>
2020-03-26 11:12:44 +01:00

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---
fixes:
- |
For AArch64 Nova now sets ``max`` as the default CPU model. It does the
right thing in context of both QEMU TCG (plain emulation) and for KVM
(hardware acceleration).