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Diffstat (limited to 'releasenotes/notes/use-compareHypervisorCPU-b75c8f097cc73556.yaml')
| -rw-r--r-- | releasenotes/notes/use-compareHypervisorCPU-b75c8f097cc73556.yaml | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/releasenotes/notes/use-compareHypervisorCPU-b75c8f097cc73556.yaml b/releasenotes/notes/use-compareHypervisorCPU-b75c8f097cc73556.yaml new file mode 100644 index 0000000000..924e09a602 --- /dev/null +++ b/releasenotes/notes/use-compareHypervisorCPU-b75c8f097cc73556.yaml @@ -0,0 +1,12 @@ +--- +fixes: + - | + Nova's use of libvirt's compareCPU() API has become error-prone as + it doesn't take into account host hypervisor's capabilities. With + QEMU >=2.9 and libvirt >= 4.4.0, libvirt will do the right thing in + terms of CPU comparison checks via a new replacement API, + compareHypervisorCPU(). Nova satisfies the said minimum version + requirements of QEMU and libvirt by a good margin. + + This change replaces the usage of older API, compareCPU(), with the + new one, compareHypervisorCPU(). |