controller/src/main/java/org/jboss/as/controller/AbstractControllerService.java

@@ -334,10 +334,7 @@ public void start(final StartContext context) throws StartException {
                 rootResourceRegistration,
                 new ContainerStateMonitor(container, getStabilityMonitor()),
                 configurationPersister, processType, runningModeControl, prepareStep,
-                processState, executorService,
-                getMaxParallelBootExtensionTasks(),
-                getMaxParallelBootSubsystemTasks(),
-                expressionResolver, authorizer, securityIdentitySupplier, auditLogger, notificationSupport,
+                processState, executorService, expressionResolver, authorizer, securityIdentitySupplier, auditLogger, notificationSupport,
                 bootErrorCollector, createExtraValidationStepHandler(), capabilityRegistry, getPartialModelIndicator(),
                 injectedInstabilityListener.getOptionalValue());
 
@@ -398,14 +395,6 @@ public ServiceTarget getServiceTarget() {
         bootThread.start();
     }
 
-    protected int getMaxParallelBootExtensionTasks() {
-        return 1;
-    }
-
-    protected int getMaxParallelBootSubsystemTasks() {
-        return 1;
-    }
-
     /**
      * Gets whether this controller service should install a {@link ModelControllerClientFactory}
      * and a {@link org.jboss.as.controller.notification.NotificationHandlerRegistry}

controller/src/main/java/org/jboss/as/controller/ModelControllerImpl.java

@@ -125,8 +125,6 @@
     private final OperationStepHandler prepareStep;
     private final ControlledProcessState processState;
     private final ExecutorService executorService;
-    private final int maxParallelBootExtensionTasks;
-    private final int maxParallelBootSubsystemTasks;
     private final ExpressionResolver expressionResolver;
     private final Authorizer authorizer;
     private final Supplier<SecurityIdentity> securityIdentitySupplier;
@@ -155,8 +153,6 @@
                         final ContainerStateMonitor stateMonitor, final ConfigurationPersister persister,
                         final ProcessType processType, final RunningModeControl runningModeControl,
                         final OperationStepHandler prepareStep, final ControlledProcessState processState, final ExecutorService executorService,
-                        final int maxParallelBootExtensionTasks,
-                        final int maxParallelBootSubsystemTasks,
                         final ExpressionResolver expressionResolver, final Authorizer authorizer, final Supplier<SecurityIdentity> securityIdentitySupplier,
                         final ManagedAuditLogger auditLogger, NotificationSupport notificationSupport,
                         final BootErrorCollector bootErrorCollector, final OperationStepHandler extraValidationStepHandler,
@@ -190,8 +186,6 @@
         this.processState = processState;
         this.serviceTarget.addMonitor(stateMonitor.getStabilityMonitor());
         this.executorService = executorService;
-        this.maxParallelBootExtensionTasks = maxParallelBootExtensionTasks;
-        this.maxParallelBootSubsystemTasks = maxParallelBootSubsystemTasks;
         assert expressionResolver != null;
         this.expressionResolver = expressionResolver;
         assert securityIdentitySupplier != null;
@@ -606,10 +600,9 @@ private BootOperations organizeBootOperations(List<ModelNode> bootList, final in
         final ManagementResourceRegistration rootRegistration = managementModel.get().getRootResourceRegistration();
         final MutableRootResourceRegistrationProvider parallellBRRRProvider = parallelBootRootResourceRegistrationProvider != null ?
                 parallelBootRootResourceRegistrationProvider : getMutableRootResourceRegistrationProvider();
-        ParallelExtensionAddHandler parallelExtensionAddHandler = executorService == null || maxParallelBootExtensionTasks < 2 ? null : new ParallelExtensionAddHandler(executorService, maxParallelBootExtensionTasks, parallellBRRRProvider);
-        ParallelBootOperationStepHandler parallelSubsystemHandler = (executorService != null && maxParallelBootSubsystemTasks > 1 && processType.isServer() && runningModeControl.getRunningMode() == RunningMode.NORMAL)
-                ? new ParallelBootOperationStepHandler(executorService, maxParallelBootSubsystemTasks, rootRegistration, processState, this, lockPermit, extraValidationStepHandler)
-                : null;
+        ParallelExtensionAddHandler parallelExtensionAddHandler = executorService == null ? null : new ParallelExtensionAddHandler(executorService, parallellBRRRProvider);
+        ParallelBootOperationStepHandler parallelSubsystemHandler = (executorService != null && processType.isServer() && runningModeControl.getRunningMode() == RunningMode.NORMAL)
+                ? new ParallelBootOperationStepHandler(executorService, rootRegistration, processState, this, lockPermit, extraValidationStepHandler) : null;
         boolean registeredParallelSubsystemHandler = false;
         int subsystemIndex = 0;
         for (ModelNode bootOp : bootList) {