Merge pull request #52402 from amolnar-rh/OCPBUGS-2928

OCPBUGS#2928: Remove idle=poll from the reference DU performance profile

Author: mburke5678

snippets/ztp-performance-profile.adoc

@@ -8,7 +8,6 @@ metadata:
   name: openshift-node-performance-profile <1>
 spec:
   additionalKernelArgs:
-    - idle=poll
     - rcupdate.rcu_normal_after_boot=0
     - "efi=runtime" <2>
   cpu:
@@ -21,20 +20,17 @@ spec:
         size: 1G  <6>
   machineConfigPoolSelector:
     pools.operator.machineconfiguration.openshift.io/master: ""
-  net:
-    userLevelNetworking: true <7>
   nodeSelector:
     node-role.kubernetes.io/master: ""
   numa:
     topologyPolicy: restricted
   realTimeKernel:
-    enabled: true    <8>
+    enabled: true    <7>
 ----
 <1> Ensure that the value for `name` matches that specified in the `spec.profile.data` field of `TunedPerformancePatch.yaml` and the `status.configuration.source.name` field of `validatorCRs/informDuValidator.yaml`.
 <2> Configures UEFI secure boot for the cluster host.
 <3> Set the isolated CPUs. Ensure all of the Hyper-Threading pairs match.
 <4> Set the reserved CPUs. When workload partitioning is enabled, system processes, kernel threads, and system container threads are restricted to these CPUs. All CPUs that are not isolated should be reserved.
 <5> Set the number of huge pages.
 <6> Set the huge page size.
-<7> Set `userLevelNetworking` to `true` to isolate the CPUs from networking interrupts.
-<8> Set `enabled` to `true` to install the real-time Linux kernel.
+<7> Set `enabled` to `true` to install the real-time Linux kernel.