- The Patameter `cpuPartitioningMode` is not showing in Optional configuration parameters for all(GCP, Azure, AWS) IPI installations with customizations. 
- We can set this parameter only at the time of installation so we must add this option in Optional configuration parameters.
   
- Doc Ref: 
- https://docs.openshift.com/container-platform/4.13/installing/installing_gcp/installing-gcp-customizations.html#installation-configuration-parameters-optional_installing-gcp-customizations
- https://docs.openshift.com/container-platform/4.13/installing/installing_azure/installing-azure-customizations.html#installation-configuration-parameters-optional_installing-azure-customizations
-  https://docs.openshift.com/container-platform/4.13/installing/install_config/configuring-firewall.html#configuring-firewall  

- This parameter is available in the dedicated doc for Workload partitioning, but not in the Install section. 
https://docs.openshift.com/container-platform/4.13/scalability_and_performance/enabling-workload-partitioning.html