Feature Gate Status on Arm64¶
This page is based on https://github.com/kubevirt/kubevirt/issues/9749 It records the feature gate status on Arm64 platform. Here is the explanation of the status:
- Supported: the feature gate support on Arm64 platform.
- Not supported yet: there are some dependencies of the feature gate not support Arm64, so this feature does not support for now. We may support the dependencies in the future.
- Not supported: The feature gate is not support on Arm64.
- Not verified: The feature has not been verified yet.
|ExpandDisksGate||Not supported yet||CDI is needed|
|CPUManager||Supported||use taskset to do CPU pinning, do not support kvm-hint-dedicated (this is only works on x86 platform)|
|NUMAFeatureGate||Not supported yet||Need to support Hugepage on Arm64|
|IgnitionGate||Supported||This feature is only used for CoreOS/RhCOS|
|LiveMigrationGate||Supported||Verified live migration with masquerade network|
|SRIOVLiveMigrationGate||Not verified||Need two same Machine and SRIOV device|
|HypervStrictCheckGate||Not supported||Hyperv does not work on Arm64|
|GPUGate||Not verified||Need GPU device|
|HostDevicesGate||Not verified||Need GPU or sound card|
|SnapshotGate||Supported||Need snapshotter support https://github.com/kubernetes-csi/external-snapshotter|
|VMExportGate||Partially supported||Need snapshotter support https://kubevirt.io/user-guide/operations/export_api/, support exporting pvc, not support exporting DataVolumes and MemoryDump which rely on CDI|
|HotplugVolumesGate||Not supported yet||Rely on datavolume and CDI|
|MacvtapGate||Not supported yet||quay.io/kubevirt/macvtap-cni not support Arm64, https://github.com/kubevirt/macvtap-cni#deployment|
|PasstGate||Supported||VM have same ip with pods; start a process for network /usr/bin/passt --runas 107 -e -t 8080|
|DownwardMetricsFeatureGate||need more information||It used to let guest get host information, failed on both Arm64 and x86_64.
The block is successfully attached and can see the following information:
But unable to get information via
|WorkloadEncryptionSEV||Not supported||SEV is only available on x86_64|
|HotplugNetworkIfacesGate||Not supported yet||Need to setup multus-cni and multus-dynamic-networks-controller: https://github.com/k8snetworkplumbingwg/multus-cni
Currently, the image ghcr.io/k8snetworkplumbingwg/multus-cni:snapshot-thick does not support Arm64 server. For more information please refer to https://github.com/k8snetworkplumbingwg/multus-cni/pull/1027.