/home/lenb/src/to-akpm branch 'acpi-2.6.12'

61 files changed, 3409 insertions, 2698 deletions

diff --git a/drivers/acpi/dispatcher/dsinit.c b/drivers/acpi/dispatcher/dsinit.c
index d7790db5017..bcd1d472b90 100644
--- a/drivers/acpi/dispatcher/dsinit.c
+++ b/drivers/acpi/dispatcher/dsinit.c
@@ -86,20 +86,20 @@ acpi_ds_init_one_object (
 	void                            *context,
 	void                            **return_value)
 {
+	struct acpi_init_walk_info      *info = (struct acpi_init_walk_info *) context;
+	struct acpi_namespace_node      *node = (struct acpi_namespace_node *) obj_handle;
 	acpi_object_type                type;
 	acpi_status                     status;
-	struct acpi_init_walk_info      *info = (struct acpi_init_walk_info *) context;
 
 
 	ACPI_FUNCTION_NAME ("ds_init_one_object");
 
 
 	/*
-	 * We are only interested in objects owned by the table that
+	 * We are only interested in NS nodes owned by the table that
 	 * was just loaded
 	 */
-	if (((struct acpi_namespace_node *) obj_handle)->owner_id !=
-			info->table_desc->table_id) {
+	if (node->owner_id != info->table_desc->owner_id) {
 		return (AE_OK);
 	}
 
@@ -126,8 +126,6 @@ acpi_ds_init_one_object (
 
 	case ACPI_TYPE_METHOD:
 
-		info->method_count++;
-
 		/*
 		 * Print a dot for each method unless we are going to print
 		 * the entire pathname
@@ -143,7 +141,7 @@ acpi_ds_init_one_object (
 		 * on a per-table basis. Currently, we just use a global for the width.
 		 */
 		if (info->table_desc->pointer->revision == 1) {
-			((struct acpi_namespace_node *) obj_handle)->flags |= ANOBJ_DATA_WIDTH_32;
+			node->flags |= ANOBJ_DATA_WIDTH_32;
 		}
 
 		/*
@@ -153,22 +151,14 @@ acpi_ds_init_one_object (
 		status = acpi_ds_parse_method (obj_handle);
 		if (ACPI_FAILURE (status)) {
 			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-				"Method %p [%4.4s] - parse failure, %s\n",
+				"\n+Method %p [%4.4s] - parse failure, %s\n",
 				obj_handle, acpi_ut_get_node_name (obj_handle),
 				acpi_format_exception (status)));
 
 			/* This parse failed, but we will continue parsing more methods */
-
-			break;
 		}
 
-		/*
-		 * Delete the parse tree.  We simply re-parse the method
-		 * for every execution since there isn't much overhead
-		 */
-		acpi_ns_delete_namespace_subtree (obj_handle);
-		acpi_ns_delete_namespace_by_owner (
-			((struct acpi_namespace_node *) obj_handle)->object->method.owning_id);
+		info->method_count++;
 		break;
 
 
@@ -237,7 +227,7 @@ acpi_ds_initialize_objects (
 
 	ACPI_DEBUG_PRINT_RAW ((ACPI_DB_INIT,
 		"\nTable [%4.4s](id %4.4X) - %hd Objects with %hd Devices %hd Methods %hd Regions\n",
-		table_desc->pointer->signature, table_desc->table_id, info.object_count,
+		table_desc->pointer->signature, table_desc->owner_id, info.object_count,
 		info.device_count, info.method_count, info.op_region_count));
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c
index 9fc3f4c033e..e344c06ed33 100644
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ b/drivers/acpi/dispatcher/dsmethod.c
@@ -58,12 +58,11 @@
  *
  * FUNCTION:    acpi_ds_parse_method
  *
- * PARAMETERS:  obj_handle      - Method node
+ * PARAMETERS:  Node        - Method node
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Call the parser and parse the AML that is associated with the
- *              method.
+ * DESCRIPTION: Parse the AML that is associated with the method.
  *
  * MUTEX:       Assumes parser is locked
  *
@@ -71,31 +70,28 @@
 
 acpi_status
 acpi_ds_parse_method (
-	acpi_handle                     obj_handle)
+	struct acpi_namespace_node      *node)
 {
 	acpi_status                     status;
 	union acpi_operand_object       *obj_desc;
 	union acpi_parse_object         *op;
-	struct acpi_namespace_node      *node;
-	acpi_owner_id                   owner_id;
 	struct acpi_walk_state          *walk_state;
 
 
-	ACPI_FUNCTION_TRACE_PTR ("ds_parse_method", obj_handle);
+	ACPI_FUNCTION_TRACE_PTR ("ds_parse_method", node);
 
 
 	/* Parameter Validation */
 
-	if (!obj_handle) {
+	if (!node) {
 		return_ACPI_STATUS (AE_NULL_ENTRY);
 	}
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Parsing [%4.4s] **** named_obj=%p\n",
-		acpi_ut_get_node_name (obj_handle), obj_handle));
+		acpi_ut_get_node_name (node), node));
 
 	/* Extract the method object from the method Node */
 
-	node = (struct acpi_namespace_node *) obj_handle;
 	obj_desc = acpi_ns_get_attached_object (node);
 	if (!obj_desc) {
 		return_ACPI_STATUS (AE_NULL_OBJECT);
@@ -132,14 +128,18 @@ acpi_ds_parse_method (
 	 * objects (such as Operation Regions) can be created during the
 	 * first pass parse.
 	 */
-	owner_id = acpi_ut_allocate_owner_id (ACPI_OWNER_TYPE_METHOD);
-	obj_desc->method.owning_id = owner_id;
+	status = acpi_ut_allocate_owner_id (&obj_desc->method.owner_id);
+	if (ACPI_FAILURE (status)) {
+		goto cleanup;
+	}
 
 	/* Create and initialize a new walk state */
 
-	walk_state = acpi_ds_create_walk_state (owner_id, NULL, NULL, NULL);
+	walk_state = acpi_ds_create_walk_state (
+			  obj_desc->method.owner_id, NULL, NULL, NULL);
 	if (!walk_state) {
-		return_ACPI_STATUS (AE_NO_MEMORY);
+		status = AE_NO_MEMORY;
+		goto cleanup2;
 	}
 
 	status = acpi_ds_init_aml_walk (walk_state, op, node,
@@ -147,7 +147,7 @@ acpi_ds_parse_method (
 			  obj_desc->method.aml_length, NULL, 1);
 	if (ACPI_FAILURE (status)) {
 		acpi_ds_delete_walk_state (walk_state);
-		return_ACPI_STATUS (status);
+		goto cleanup2;
 	}
 
 	/*
@@ -161,13 +161,25 @@ acpi_ds_parse_method (
 	 */
 	status = acpi_ps_parse_aml (walk_state);
 	if (ACPI_FAILURE (status)) {
-		return_ACPI_STATUS (status);
+		goto cleanup2;
 	}
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
 		"**** [%4.4s] Parsed **** named_obj=%p Op=%p\n",
-		acpi_ut_get_node_name (obj_handle), obj_handle, op));
+		acpi_ut_get_node_name (node), node, op));
+
+	/*
+	 * Delete the parse tree. We simply re-parse the method for every
+	 * execution since there isn't much overhead (compared to keeping lots
+	 * of parse trees around)
+	 */
+	acpi_ns_delete_namespace_subtree (node);
+	acpi_ns_delete_namespace_by_owner (obj_desc->method.owner_id);
+
+cleanup2:
+	acpi_ut_release_owner_id (&obj_desc->method.owner_id);
 
+cleanup:
 	acpi_ps_delete_parse_tree (op);
 	return_ACPI_STATUS (status);
 }
@@ -263,7 +275,7 @@ acpi_ds_call_control_method (
 {
 	acpi_status                     status;
 	struct acpi_namespace_node      *method_node;
-	struct acpi_walk_state          *next_walk_state;
+	struct acpi_walk_state          *next_walk_state = NULL;
 	union acpi_operand_object       *obj_desc;
 	struct acpi_parameter_info      info;
 	u32                             i;
@@ -287,20 +299,23 @@ acpi_ds_call_control_method (
 		return_ACPI_STATUS (AE_NULL_OBJECT);
 	}
 
-	obj_desc->method.owning_id = acpi_ut_allocate_owner_id (ACPI_OWNER_TYPE_METHOD);
+	status = acpi_ut_allocate_owner_id (&obj_desc->method.owner_id);
+	if (ACPI_FAILURE (status)) {
+		return_ACPI_STATUS (status);
+	}
 
 	/* Init for new method, wait on concurrency semaphore */
 
 	status = acpi_ds_begin_method_execution (method_node, obj_desc,
 			  this_walk_state->method_node);
 	if (ACPI_FAILURE (status)) {
-		return_ACPI_STATUS (status);
+		goto cleanup;
 	}
 
 	if (!(obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY)) {
 		/* 1) Parse: Create a new walk state for the preempting walk */
 
-		next_walk_state = acpi_ds_create_walk_state (obj_desc->method.owning_id,
+		next_walk_state = acpi_ds_create_walk_state (obj_desc->method.owner_id,
 				  op, obj_desc, NULL);
 		if (!next_walk_state) {
 			return_ACPI_STATUS (AE_NO_MEMORY);
@@ -330,7 +345,7 @@ acpi_ds_call_control_method (
 
 	/* 2) Execute: Create a new state for the preempting walk */
 
-	next_walk_state = acpi_ds_create_walk_state (obj_desc->method.owning_id,
+	next_walk_state = acpi_ds_create_walk_state (obj_desc->method.owner_id,
 			  NULL, obj_desc, thread);
 	if (!next_walk_state) {
 		status = AE_NO_MEMORY;
@@ -381,6 +396,7 @@ acpi_ds_call_control_method (
 	/* On error, we must delete the new walk state */
 
 cleanup:
+	acpi_ut_release_owner_id (&obj_desc->method.owner_id);
 	if (next_walk_state && (next_walk_state->method_desc)) {
 		/* Decrement the thread count on the method parse tree */
 
@@ -552,8 +568,7 @@ acpi_ds_terminate_control_method (
 		 */
 		if ((walk_state->method_desc->method.concurrency == 1) &&
 			(!walk_state->method_desc->method.semaphore)) {
-			status = acpi_os_create_semaphore (1,
-					 1,
+			status = acpi_os_create_semaphore (1, 1,
 					 &walk_state->method_desc->method.semaphore);
 		}
 
@@ -582,8 +597,10 @@ acpi_ds_terminate_control_method (
 		 * Delete any namespace entries created anywhere else within
 		 * the namespace
 		 */
-		acpi_ns_delete_namespace_by_owner (walk_state->method_desc->method.owning_id);
+		acpi_ns_delete_namespace_by_owner (walk_state->method_desc->method.owner_id);
 		status = acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
+		acpi_ut_release_owner_id (&walk_state->method_desc->method.owner_id);
+
 		if (ACPI_FAILURE (status)) {
 			return_ACPI_STATUS (status);
 		}
diff --git a/drivers/acpi/dispatcher/dsmthdat.c b/drivers/acpi/dispatcher/dsmthdat.c
index f7998306f75..c83d53fd639 100644
--- a/drivers/acpi/dispatcher/dsmthdat.c
+++ b/drivers/acpi/dispatcher/dsmthdat.c
@@ -633,22 +633,11 @@ acpi_ds_store_object_to_local (
 		 */
 		if (opcode == AML_ARG_OP) {
 			/*
-			 * Make sure that the object is the correct type.  This may be
-			 * overkill, butit is here because references were NS nodes in
-			 *  the past.  Now they are operand objects of type Reference.
-			 */
-			if (ACPI_GET_DESCRIPTOR_TYPE (current_obj_desc) != ACPI_DESC_TYPE_OPERAND) {
-				ACPI_REPORT_ERROR ((
-					"Invalid descriptor type while storing to method arg: [%s]\n",
-					acpi_ut_get_descriptor_name (current_obj_desc)));
-				return_ACPI_STATUS (AE_AML_INTERNAL);
-			}
-
-			/*
 			 * If we have a valid reference object that came from ref_of(),
 			 * do the indirect store
 			 */
-			if ((current_obj_desc->common.type == ACPI_TYPE_LOCAL_REFERENCE) &&
+			if ((ACPI_GET_DESCRIPTOR_TYPE (current_obj_desc) == ACPI_DESC_TYPE_OPERAND) &&
+				(current_obj_desc->common.type == ACPI_TYPE_LOCAL_REFERENCE) &&
 				(current_obj_desc->reference.opcode == AML_REF_OF_OP)) {
 				ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
 						"Arg (%p) is an obj_ref(Node), storing in node %p\n",
diff --git a/drivers/acpi/dispatcher/dsobject.c b/drivers/acpi/dispatcher/dsobject.c
index bfbae4e4c66..1eee2d54180 100644
--- a/drivers/acpi/dispatcher/dsobject.c
+++ b/drivers/acpi/dispatcher/dsobject.c
@@ -547,6 +547,9 @@ acpi_ds_init_object_from_op (
 		case AML_TYPE_LITERAL:
 
 			obj_desc->integer.value = op->common.value.integer;
+#ifndef ACPI_NO_METHOD_EXECUTION
+			acpi_ex_truncate_for32bit_table (obj_desc);
+#endif
 			break;
 
 
diff --git a/drivers/acpi/dispatcher/dsopcode.c b/drivers/acpi/dispatcher/dsopcode.c
index ba13bca28be..750bdb1ac34 100644
--- a/drivers/acpi/dispatcher/dsopcode.c
+++ b/drivers/acpi/dispatcher/dsopcode.c
@@ -119,14 +119,15 @@ acpi_ds_execute_arguments (
 
 	walk_state = acpi_ds_create_walk_state (0, NULL, NULL, NULL);
 	if (!walk_state) {
-		return_ACPI_STATUS (AE_NO_MEMORY);
+		status = AE_NO_MEMORY;
+		goto cleanup;
 	}
 
 	status = acpi_ds_init_aml_walk (walk_state, op, NULL, aml_start,
 			  aml_length, NULL, 1);
 	if (ACPI_FAILURE (status)) {
 		acpi_ds_delete_walk_state (walk_state);
-		return_ACPI_STATUS (status);
+		goto cleanup;
 	}
 
 	/* Mark this parse as a deferred opcode */
@@ -138,8 +139,7 @@ acpi_ds_execute_arguments (
 
 	status = acpi_ps_parse_aml (walk_state);
 	if (ACPI_FAILURE (status)) {
-		acpi_ps_delete_parse_tree (op);
-		return_ACPI_STATUS (status);
+		goto cleanup;
 	}
 
 	/* Get and init the Op created above */
@@ -160,7 +160,8 @@ acpi_ds_execute_arguments (
 
 	walk_state = acpi_ds_create_walk_state (0, NULL, NULL, NULL);
 	if (!walk_state) {
-		return_ACPI_STATUS (AE_NO_MEMORY);
+		status = AE_NO_MEMORY;
+		goto cleanup;
 	}
 
 	/* Execute the opcode and arguments */
@@ -169,13 +170,15 @@ acpi_ds_execute_arguments (
 			  aml_length, NULL, 3);
 	if (ACPI_FAILURE (status)) {
 		acpi_ds_delete_walk_state (walk_state);
-		return_ACPI_STATUS (status);
+		goto cleanup;
 	}
 
 	/* Mark this execution as a deferred opcode */
 
 	walk_state->deferred_node = node;
 	status = acpi_ps_parse_aml (walk_state);
+
+cleanup:
 	acpi_ps_delete_parse_tree (op);
 	return_ACPI_STATUS (status);
 }
diff --git a/drivers/acpi/dispatcher/dswload.c b/drivers/acpi/dispatcher/dswload.c
index d1162001842..9100c0bda47 100644
--- a/drivers/acpi/dispatcher/dswload.c
+++ b/drivers/acpi/dispatcher/dswload.c
@@ -50,7 +50,7 @@
 #include <acpi/acnamesp.h>
 #include <acpi/acevents.h>
 
-#ifdef _ACPI_ASL_COMPILER
+#ifdef ACPI_ASL_COMPILER
 #include <acpi/acdisasm.h>
 #endif
 
@@ -145,15 +145,6 @@ acpi_ds_load1_begin_op (
 
 	if (op) {
 		if (!(walk_state->op_info->flags & AML_NAMED)) {
-#if 0
-			if ((walk_state->op_info->class == AML_CLASS_EXECUTE) ||
-				(walk_state->op_info->class == AML_CLASS_CONTROL)) {
-				acpi_os_printf ("\n\n***EXECUTABLE OPCODE %s***\n\n",
-					walk_state->op_info->name);
-				*out_op = op;
-				return (AE_CTRL_SKIP);
-			}
-#endif
 			*out_op = op;
 			return (AE_OK);
 		}
@@ -185,7 +176,7 @@ acpi_ds_load1_begin_op (
 		 */
 		status = acpi_ns_lookup (walk_state->scope_info, path, object_type,
 				  ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT, walk_state, &(node));
-#ifdef _ACPI_ASL_COMPILER
+#ifdef ACPI_ASL_COMPILER
 		if (status == AE_NOT_FOUND) {
 			/*
 			 * Table disassembly:
@@ -486,11 +477,31 @@ acpi_ds_load2_begin_op (
 	ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Op=%p State=%p\n", op, walk_state));
 
 	if (op) {
+		if ((walk_state->control_state) &&
+			(walk_state->control_state->common.state ==
+				ACPI_CONTROL_CONDITIONAL_EXECUTING)) {
+			/* We are executing a while loop outside of a method */
+
+			status = acpi_ds_exec_begin_op (walk_state, out_op);
+			return_ACPI_STATUS (status);
+		}
+
 		/* We only care about Namespace opcodes here */
 
 		if ((!(walk_state->op_info->flags & AML_NSOPCODE) &&
 			  (walk_state->opcode != AML_INT_NAMEPATH_OP)) ||
 			(!(walk_state->op_info->flags & AML_NAMED))) {
+			if ((walk_state->op_info->class == AML_CLASS_EXECUTE) ||
+				(walk_state->op_info->class == AML_CLASS_CONTROL)) {
+				ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+					"Begin/EXEC: %s (fl %8.8X)\n", walk_state->op_info->name,
+					walk_state->op_info->flags));
+
+				/* Executing a type1 or type2 opcode outside of a method */
+
+				status = acpi_ds_exec_begin_op (walk_state, out_op);
+				return_ACPI_STATUS (status);
+			}
 			return_ACPI_STATUS (AE_OK);
 		}
 
@@ -558,7 +569,7 @@ acpi_ds_load2_begin_op (
 				  ACPI_IMODE_EXECUTE, ACPI_NS_SEARCH_PARENT,
 				  walk_state, &(node));
 		if (ACPI_FAILURE (status)) {
-#ifdef _ACPI_ASL_COMPILER
+#ifdef ACPI_ASL_COMPILER
 			if (status == AE_NOT_FOUND) {
 				status = AE_OK;
 			}
@@ -651,8 +662,10 @@ acpi_ds_load2_begin_op (
 			break;
 		}
 
+		/* Add new entry into namespace */
+
 		status = acpi_ns_lookup (walk_state->scope_info, buffer_ptr, object_type,
-				  ACPI_IMODE_EXECUTE, ACPI_NS_NO_UPSEARCH,
+				  ACPI_IMODE_LOAD_PASS2, ACPI_NS_NO_UPSEARCH,
 				  walk_state, &(node));
 		break;
 	}
@@ -662,7 +675,6 @@ acpi_ds_load2_begin_op (
 		return_ACPI_STATUS (status);
 	}
 
-
 	if (!op) {
 		/* Create a new op */
 
@@ -676,9 +688,7 @@ acpi_ds_load2_begin_op (
 		if (node) {
 			op->named.name = node->name.integer;
 		}
-		if (out_op) {
-			*out_op = op;
-		}
+		*out_op = op;
 	}
 
 	/*
@@ -725,9 +735,24 @@ acpi_ds_load2_end_op (
 	ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH, "Opcode [%s] Op %p State %p\n",
 			walk_state->op_info->name, op, walk_state));
 
-	/* Only interested in opcodes that have namespace objects */
+	/* Check if opcode had an associated namespace object */
 
 	if (!(walk_state->op_info->flags & AML_NSOBJECT)) {
+#ifndef ACPI_NO_METHOD_EXECUTION
+		/* No namespace object. Executable opcode? */
+
+		if ((walk_state->op_info->class == AML_CLASS_EXECUTE) ||
+			(walk_state->op_info->class == AML_CLASS_CONTROL)) {
+			ACPI_DEBUG_PRINT ((ACPI_DB_DISPATCH,
+				"End/EXEC:   %s (fl %8.8X)\n", walk_state->op_info->name,
+				walk_state->op_info->flags));
+
+			/* Executing a type1 or type2 opcode outside of a method */
+
+			status = acpi_ds_exec_end_op (walk_state);
+			return_ACPI_STATUS (status);
+		}
+#endif
 		return_ACPI_STATUS (AE_OK);
 	}
 
@@ -736,7 +761,6 @@ acpi_ds_load2_end_op (
 			"Ending scope Op=%p State=%p\n", op, walk_state));
 	}
 
-
 	object_type = walk_state->op_info->object_type;
 
 	/*
@@ -959,6 +983,7 @@ acpi_ds_load2_end_op (
 				  ACPI_NS_SEARCH_PARENT | ACPI_NS_DONT_OPEN_SCOPE,
 				  walk_state, &(new_node));
 		if (ACPI_SUCCESS (status)) {
+
 			/*
 			 * Make sure that what we found is indeed a method
 			 * We didn't search for a method on purpose, to see if the name
diff --git a/drivers/acpi/dispatcher/dswstate.c b/drivers/acpi/dispatcher/dswstate.c
index 9cd3db652b3..5621665991b 100644
--- a/drivers/acpi/dispatcher/dswstate.c
+++ b/drivers/acpi/dispatcher/dswstate.c
@@ -261,12 +261,12 @@ acpi_ds_result_pop_from_bottom (
 
 	if (!*object) {
 		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-			"Null operand! State=%p #Ops=%X, Index=%X\n",
+			"Null operand! State=%p #Ops=%X Index=%X\n",
 			walk_state, state->results.num_results, (u32) index));
 		return (AE_AML_NO_RETURN_VALUE);
 	}
 
-	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s], Results=%p State=%p\n",
+	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Obj=%p [%s] Results=%p State=%p\n",
 		*object, (*object) ? acpi_ut_get_object_type_name (*object) : "NULL",
 		state, walk_state));
 
@@ -681,7 +681,7 @@ acpi_ds_create_walk_state (
 	ACPI_FUNCTION_TRACE ("ds_create_walk_state");
 
 
-	walk_state = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_WALK);
+	walk_state = ACPI_MEM_CALLOCATE (sizeof (struct acpi_walk_state));
 	if (!walk_state) {
 		return_PTR (NULL);
 	}
@@ -704,7 +704,7 @@ acpi_ds_create_walk_state (
 
 	status = acpi_ds_result_stack_push (walk_state);
 	if (ACPI_FAILURE (status)) {
-		acpi_ut_release_to_cache (ACPI_MEM_LIST_WALK, walk_state);
+		ACPI_MEM_FREE (walk_state);
 		return_PTR (NULL);
 	}
 
@@ -744,7 +744,7 @@ acpi_ds_init_aml_walk (
 	u8                              *aml_start,
 	u32                             aml_length,
 	struct acpi_parameter_info      *info,
-	u32                             pass_number)
+	u8                              pass_number)
 {
 	acpi_status                     status;
 	struct acpi_parse_state         *parser_state = &walk_state->parser_state;
@@ -762,6 +762,7 @@ acpi_ds_init_aml_walk (
 	/* The next_op of the next_walk will be the beginning of the method */
 
 	walk_state->next_op = NULL;
+	walk_state->pass_number = pass_number;
 
 	if (info) {
 		if (info->parameter_type == ACPI_PARAM_GPE) {
@@ -899,38 +900,11 @@ acpi_ds_delete_walk_state (
 		acpi_ut_delete_generic_state (state);
 	}
 
-	acpi_ut_release_to_cache (ACPI_MEM_LIST_WALK, walk_state);
+	ACPI_MEM_FREE (walk_state);
 	return_VOID;
 }
 
 
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-/******************************************************************************
- *
- * FUNCTION:    acpi_ds_delete_walk_state_cache
- *
- * PARAMETERS:  None
- *
- * RETURN:      None
- *
- * DESCRIPTION: Purge the global state object cache.  Used during subsystem
- *              termination.
- *
- ******************************************************************************/
-
-void
-acpi_ds_delete_walk_state_cache (
-	void)
-{
-	ACPI_FUNCTION_TRACE ("ds_delete_walk_state_cache");
-
-
-	acpi_ut_delete_generic_cache (ACPI_MEM_LIST_WALK);
-	return_VOID;
-}
-#endif
-
-
 #ifdef ACPI_OBSOLETE_FUNCTIONS
 /*******************************************************************************
  *
diff --git a/drivers/acpi/events/evgpe.c b/drivers/acpi/events/evgpe.c
index 081120b109b..ede834df4f6 100644
--- a/drivers/acpi/events/evgpe.c
+++ b/drivers/acpi/events/evgpe.c
@@ -396,6 +396,7 @@ acpi_ev_gpe_detect (
 	struct acpi_gpe_register_info   *gpe_register_info;
 	u32                             status_reg;
 	u32                             enable_reg;
+	u32                             flags;
 	acpi_status                     status;
 	struct acpi_gpe_block_info      *gpe_block;
 	acpi_native_uint                i;
@@ -412,7 +413,7 @@ acpi_ev_gpe_detect (
 
 	/* Examine all GPE blocks attached to this interrupt level */
 
-	acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_ISR);
+	flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
 	gpe_block = gpe_xrupt_list->gpe_block_list_head;
 	while (gpe_block) {
 		/*
@@ -476,7 +477,7 @@ acpi_ev_gpe_detect (
 
 unlock_and_exit:
 
-	acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_ISR);
+	acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
 	return (int_status);
 }
 
diff --git a/drivers/acpi/events/evgpeblk.c b/drivers/acpi/events/evgpeblk.c
index 84186a7d17b..dfc54692b12 100644
--- a/drivers/acpi/events/evgpeblk.c
+++ b/drivers/acpi/events/evgpeblk.c
@@ -66,7 +66,7 @@ acpi_ev_match_prw_and_gpe (
 
 static struct acpi_gpe_xrupt_info *
 acpi_ev_get_gpe_xrupt_block (
-	u32                             interrupt_level);
+	u32                             interrupt_number);
 
 static acpi_status
 acpi_ev_delete_gpe_xrupt (
@@ -75,7 +75,7 @@ acpi_ev_delete_gpe_xrupt (
 static acpi_status
 acpi_ev_install_gpe_block (
 	struct acpi_gpe_block_info      *gpe_block,
-	u32                             interrupt_level);
+	u32                             interrupt_number);
 
 static acpi_status
 acpi_ev_create_gpe_info_blocks (
@@ -138,7 +138,6 @@ acpi_ev_valid_gpe_event (
  * FUNCTION:    acpi_ev_walk_gpe_list
  *
  * PARAMETERS:  gpe_walk_callback   - Routine called for each GPE block
- *              Flags               - ACPI_NOT_ISR or ACPI_ISR
  *
  * RETURN:      Status
  *
@@ -148,18 +147,18 @@ acpi_ev_valid_gpe_event (
 
 acpi_status
 acpi_ev_walk_gpe_list (
-	ACPI_GPE_CALLBACK       gpe_walk_callback,
-	u32                             flags)
+	ACPI_GPE_CALLBACK       gpe_walk_callback)
 {
 	struct acpi_gpe_block_info      *gpe_block;
 	struct acpi_gpe_xrupt_info      *gpe_xrupt_info;
 	acpi_status                     status = AE_OK;
+	u32                             flags;
 
 
 	ACPI_FUNCTION_TRACE ("ev_walk_gpe_list");
 
 
-	acpi_os_acquire_lock (acpi_gbl_gpe_lock, flags);
+	flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
 
 	/* Walk the interrupt level descriptor list */
 
@@ -482,7 +481,7 @@ cleanup:
  *
  * FUNCTION:    acpi_ev_get_gpe_xrupt_block
  *
- * PARAMETERS:  interrupt_level     - Interrupt for a GPE block
+ * PARAMETERS:  interrupt_number     - Interrupt for a GPE block
  *
  * RETURN:      A GPE interrupt block
  *
@@ -495,11 +494,12 @@ cleanup:
 
 static struct acpi_gpe_xrupt_info *
 acpi_ev_get_gpe_xrupt_block (
-	u32                             interrupt_level)
+	u32                             interrupt_number)
 {
 	struct acpi_gpe_xrupt_info      *next_gpe_xrupt;
 	struct acpi_gpe_xrupt_info      *gpe_xrupt;
 	acpi_status                     status;
+	u32                             flags;
 
 
 	ACPI_FUNCTION_TRACE ("ev_get_gpe_xrupt_block");
@@ -509,7 +509,7 @@ acpi_ev_get_gpe_xrupt_block (
 
 	next_gpe_xrupt = acpi_gbl_gpe_xrupt_list_head;
 	while (next_gpe_xrupt) {
-		if (next_gpe_xrupt->interrupt_level == interrupt_level) {
+		if (next_gpe_xrupt->interrupt_number == interrupt_number) {
 			return_PTR (next_gpe_xrupt);
 		}
 
@@ -523,11 +523,11 @@ acpi_ev_get_gpe_xrupt_block (
 		return_PTR (NULL);
 	}
 
-	gpe_xrupt->interrupt_level = interrupt_level;
+	gpe_xrupt->interrupt_number = interrupt_number;
 
 	/* Install new interrupt descriptor with spin lock */
 
-	acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+	flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
 	if (acpi_gbl_gpe_xrupt_list_head) {
 		next_gpe_xrupt = acpi_gbl_gpe_xrupt_list_head;
 		while (next_gpe_xrupt->next) {
@@ -540,17 +540,17 @@ acpi_ev_get_gpe_xrupt_block (
 	else {
 		acpi_gbl_gpe_xrupt_list_head = gpe_xrupt;
 	}
-	acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+	acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
 
 	/* Install new interrupt handler if not SCI_INT */
 
-	if (interrupt_level != acpi_gbl_FADT->sci_int) {
-		status = acpi_os_install_interrupt_handler (interrupt_level,
+	if (interrupt_number != acpi_gbl_FADT->sci_int) {
+		status = acpi_os_install_interrupt_handler (interrupt_number,
 				 acpi_ev_gpe_xrupt_handler, gpe_xrupt);
 		if (ACPI_FAILURE (status)) {
 			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
 				"Could not install GPE interrupt handler at level 0x%X\n",
-				interrupt_level));
+				interrupt_number));
 			return_PTR (NULL);
 		}
 	}
@@ -577,6 +577,7 @@ acpi_ev_delete_gpe_xrupt (
 	struct acpi_gpe_xrupt_info      *gpe_xrupt)
 {
 	acpi_status                     status;
+	u32                             flags;
 
 
 	ACPI_FUNCTION_TRACE ("ev_delete_gpe_xrupt");
@@ -584,14 +585,14 @@ acpi_ev_delete_gpe_xrupt (
 
 	/* We never want to remove the SCI interrupt handler */
 
-	if (gpe_xrupt->interrupt_level == acpi_gbl_FADT->sci_int) {
+	if (gpe_xrupt->interrupt_number == acpi_gbl_FADT->sci_int) {
 		gpe_xrupt->gpe_block_list_head = NULL;
 		return_ACPI_STATUS (AE_OK);
 	}
 
 	/* Disable this interrupt */
 
-	status = acpi_os_remove_interrupt_handler (gpe_xrupt->interrupt_level,
+	status = acpi_os_remove_interrupt_handler (gpe_xrupt->interrupt_number,
 			   acpi_ev_gpe_xrupt_handler);
 	if (ACPI_FAILURE (status)) {
 		return_ACPI_STATUS (status);
@@ -599,7 +600,7 @@ acpi_ev_delete_gpe_xrupt (
 
 	/* Unlink the interrupt block with lock */
 
-	acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+	flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
 	if (gpe_xrupt->previous) {
 		gpe_xrupt->previous->next = gpe_xrupt->next;
 	}
@@ -607,7 +608,7 @@ acpi_ev_delete_gpe_xrupt (
 	if (gpe_xrupt->next) {
 		gpe_xrupt->next->previous = gpe_xrupt->previous;
 	}
-	acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+	acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
 
 	/* Free the block */
 
@@ -621,7 +622,7 @@ acpi_ev_delete_gpe_xrupt (
  * FUNCTION:    acpi_ev_install_gpe_block
  *
  * PARAMETERS:  gpe_block       - New GPE block
- *              interrupt_level - Level to be associated with this GPE block
+ *              interrupt_number - Xrupt to be associated with this GPE block
  *
  * RETURN:      Status
  *
@@ -632,11 +633,12 @@ acpi_ev_delete_gpe_xrupt (
 static acpi_status
 acpi_ev_install_gpe_block (
 	struct acpi_gpe_block_info      *gpe_block,
-	u32                             interrupt_level)
+	u32                             interrupt_number)
 {
 	struct acpi_gpe_block_info      *next_gpe_block;
 	struct acpi_gpe_xrupt_info      *gpe_xrupt_block;
 	acpi_status                     status;
+	u32                             flags;
 
 
 	ACPI_FUNCTION_TRACE ("ev_install_gpe_block");
@@ -647,7 +649,7 @@ acpi_ev_install_gpe_block (
 		return_ACPI_STATUS (status);
 	}
 
-	gpe_xrupt_block = acpi_ev_get_gpe_xrupt_block (interrupt_level);
+	gpe_xrupt_block = acpi_ev_get_gpe_xrupt_block (interrupt_number);
 	if (!gpe_xrupt_block) {
 		status = AE_NO_MEMORY;
 		goto unlock_and_exit;
@@ -655,7 +657,7 @@ acpi_ev_install_gpe_block (
 
 	/* Install the new block at the end of the list with lock */
 
-	acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+	flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
 	if (gpe_xrupt_block->gpe_block_list_head) {
 		next_gpe_block = gpe_xrupt_block->gpe_block_list_head;
 		while (next_gpe_block->next) {
@@ -670,7 +672,7 @@ acpi_ev_install_gpe_block (
 	}
 
 	gpe_block->xrupt_block = gpe_xrupt_block;
-	acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+	acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
 
 unlock_and_exit:
 	status = acpi_ut_release_mutex (ACPI_MTX_EVENTS);
@@ -695,6 +697,7 @@ acpi_ev_delete_gpe_block (
 	struct acpi_gpe_block_info      *gpe_block)
 {
 	acpi_status                     status;
+	u32                             flags;
 
 
 	ACPI_FUNCTION_TRACE ("ev_install_gpe_block");
@@ -720,7 +723,7 @@ acpi_ev_delete_gpe_block (
 	else {
 		/* Remove the block on this interrupt with lock */
 
-		acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+		flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
 		if (gpe_block->previous) {
 			gpe_block->previous->next = gpe_block->next;
 		}
@@ -731,7 +734,7 @@ acpi_ev_delete_gpe_block (
 		if (gpe_block->next) {
 			gpe_block->next->previous = gpe_block->previous;
 		}
-		acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+		acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
 	}
 
 	/* Free the gpe_block */
@@ -887,7 +890,7 @@ error_exit:
  *              gpe_block_address   - Address and space_iD
  *              register_count      - Number of GPE register pairs in the block
  *              gpe_block_base_number - Starting GPE number for the block
- *              interrupt_level     - H/W interrupt for the block
+ *              interrupt_number    - H/W interrupt for the block
  *              return_gpe_block    - Where the new block descriptor is returned
  *
  * RETURN:      Status
@@ -902,7 +905,7 @@ acpi_ev_create_gpe_block (
 	struct acpi_generic_address     *gpe_block_address,
 	u32                             register_count,
 	u8                              gpe_block_base_number,
-	u32                             interrupt_level,
+	u32                             interrupt_number,
 	struct acpi_gpe_block_info      **return_gpe_block)
 {
 	struct acpi_gpe_block_info      *gpe_block;
@@ -948,7 +951,7 @@ acpi_ev_create_gpe_block (
 
 	/* Install the new block in the global list(s) */
 
-	status = acpi_ev_install_gpe_block (gpe_block, interrupt_level);
+	status = acpi_ev_install_gpe_block (gpe_block, interrupt_number);
 	if (ACPI_FAILURE (status)) {
 		ACPI_MEM_FREE (gpe_block);
 		return_ACPI_STATUS (status);
@@ -1013,7 +1016,7 @@ acpi_ev_create_gpe_block (
 				((gpe_block->register_count * ACPI_GPE_REGISTER_WIDTH) -1)),
 		gpe_device->name.ascii,
 		gpe_block->register_count,
-		interrupt_level));
+		interrupt_number));
 
 	/* Enable all valid GPEs found above */
 
diff --git a/drivers/acpi/events/evmisc.c b/drivers/acpi/events/evmisc.c
index 659e9095611..3df3ada4b9e 100644
--- a/drivers/acpi/events/evmisc.c
+++ b/drivers/acpi/events/evmisc.c
@@ -411,6 +411,9 @@ acpi_ev_init_global_lock_handler (
 	 * with an error.
 	 */
 	if (status == AE_NO_HARDWARE_RESPONSE) {
+		ACPI_REPORT_ERROR ((
+			"No response from Global Lock hardware, disabling lock\n"));
+
 		acpi_gbl_global_lock_present = FALSE;
 		status = AE_OK;
 	}
@@ -589,7 +592,7 @@ acpi_ev_terminate (
 
 		/* Disable all GPEs in all GPE blocks */
 
-		status = acpi_ev_walk_gpe_list (acpi_hw_disable_gpe_block, ACPI_NOT_ISR);
+		status = acpi_ev_walk_gpe_list (acpi_hw_disable_gpe_block);
 
 		/* Remove SCI handler */
 
@@ -602,7 +605,7 @@ acpi_ev_terminate (
 
 	/* Deallocate all handler objects installed within GPE info structs */
 
-	status = acpi_ev_walk_gpe_list (acpi_ev_delete_gpe_handlers, ACPI_NOT_ISR);
+	status = acpi_ev_walk_gpe_list (acpi_ev_delete_gpe_handlers);
 
 	/* Return to original mode if necessary */
 
diff --git a/drivers/acpi/events/evrgnini.c b/drivers/acpi/events/evrgnini.c
index 95bc09c73a6..f2d53af9761 100644
--- a/drivers/acpi/events/evrgnini.c
+++ b/drivers/acpi/events/evrgnini.c
@@ -218,10 +218,14 @@ acpi_ev_pci_config_region_setup (
 		while (pci_root_node != acpi_gbl_root_node) {
 			status = acpi_ut_execute_HID (pci_root_node, &object_hID);
 			if (ACPI_SUCCESS (status)) {
-				/* Got a valid _HID, check if this is a PCI root */
-
+				/*
+				 * Got a valid _HID string, check if this is a PCI root.
+				 * New for ACPI 3.0: check for a PCI Express root also.
+				 */
 				if (!(ACPI_STRNCMP (object_hID.value, PCI_ROOT_HID_STRING,
-						   sizeof (PCI_ROOT_HID_STRING)))) {
+						   sizeof (PCI_ROOT_HID_STRING))           ||
+					!(ACPI_STRNCMP (object_hID.value, PCI_EXPRESS_ROOT_HID_STRING,
+							  sizeof (PCI_EXPRESS_ROOT_HID_STRING))))) {
 					/* Install a handler for this PCI root bridge */
 
 					status = acpi_install_address_space_handler ((acpi_handle) pci_root_node,
diff --git a/drivers/acpi/events/evxface.c b/drivers/acpi/events/evxface.c
index 4092d47f675..4c1c25e316a 100644
--- a/drivers/acpi/events/evxface.c
+++ b/drivers/acpi/events/evxface.c
@@ -591,6 +591,7 @@ acpi_install_gpe_handler (
 	struct acpi_gpe_event_info      *gpe_event_info;
 	struct acpi_handler_info        *handler;
 	acpi_status                     status;
+	u32                             flags;
 
 
 	ACPI_FUNCTION_TRACE ("acpi_install_gpe_handler");
@@ -643,7 +644,7 @@ acpi_install_gpe_handler (
 
 	/* Install the handler */
 
-	acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+	flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
 	gpe_event_info->dispatch.handler = handler;
 
 	/* Setup up dispatch flags to indicate handler (vs. method) */
@@ -651,7 +652,7 @@ acpi_install_gpe_handler (
 	gpe_event_info->flags &= ~(ACPI_GPE_XRUPT_TYPE_MASK | ACPI_GPE_DISPATCH_MASK); /* Clear bits */
 	gpe_event_info->flags |= (u8) (type | ACPI_GPE_DISPATCH_HANDLER);
 
-	acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+	acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
 
 
 unlock_and_exit:
@@ -685,6 +686,7 @@ acpi_remove_gpe_handler (
 	struct acpi_gpe_event_info      *gpe_event_info;
 	struct acpi_handler_info        *handler;
 	acpi_status                     status;
+	u32                             flags;
 
 
 	ACPI_FUNCTION_TRACE ("acpi_remove_gpe_handler");
@@ -741,7 +743,7 @@ acpi_remove_gpe_handler (
 
 	/* Remove the handler */
 
-	acpi_os_acquire_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+	flags = acpi_os_acquire_lock (acpi_gbl_gpe_lock);
 	handler = gpe_event_info->dispatch.handler;
 
 	/* Restore Method node (if any), set dispatch flags */
@@ -751,7 +753,7 @@ acpi_remove_gpe_handler (
 	if (handler->method_node) {
 		gpe_event_info->flags |= ACPI_GPE_DISPATCH_METHOD;
 	}
-	acpi_os_release_lock (acpi_gbl_gpe_lock, ACPI_NOT_ISR);
+	acpi_os_release_lock (acpi_gbl_gpe_lock, flags);
 
 	/* Now we can free the handler object */
 
diff --git a/drivers/acpi/events/evxfevnt.c b/drivers/acpi/events/evxfevnt.c
index f337dc2cc56..c5f74d7b64d 100644
--- a/drivers/acpi/events/evxfevnt.c
+++ b/drivers/acpi/events/evxfevnt.c
@@ -635,7 +635,7 @@ unlock_and_exit:
  * PARAMETERS:  gpe_device          - Handle to the parent GPE Block Device
  *              gpe_block_address   - Address and space_iD
  *              register_count      - Number of GPE register pairs in the block
- *              interrupt_level     - H/W interrupt for the block
+ *              interrupt_number    - H/W interrupt for the block
  *
  * RETURN:      Status
  *
@@ -648,7 +648,7 @@ acpi_install_gpe_block (
 	acpi_handle                     gpe_device,
 	struct acpi_generic_address     *gpe_block_address,
 	u32                             register_count,
-	u32                             interrupt_level)
+	u32                             interrupt_number)
 {
 	acpi_status                     status;
 	union acpi_operand_object       *obj_desc;
@@ -681,7 +681,7 @@ acpi_install_gpe_block (
 	 * is always zero
 	 */
 	status = acpi_ev_create_gpe_block (node, gpe_block_address, register_count,
-			  0, interrupt_level, &gpe_block);
+			  0, interrupt_number, &gpe_block);
 	if (ACPI_FAILURE (status)) {
 		goto unlock_and_exit;
 	}
diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c
index 734b2f24af4..d11e9ec827f 100644
--- a/drivers/acpi/executer/exconfig.c
+++ b/drivers/acpi/executer/exconfig.c
@@ -99,6 +99,11 @@ acpi_ex_add_table (
 		return_ACPI_STATUS (AE_NO_MEMORY);
 	}
 
+	/* Init the table handle */
+
+	obj_desc->reference.opcode = AML_LOAD_OP;
+	*ddb_handle = obj_desc;
+
 	/* Install the new table into the local data structures */
 
 	ACPI_MEMSET (&table_info, 0, sizeof (struct acpi_table_desc));
@@ -109,7 +114,14 @@ acpi_ex_add_table (
 	table_info.allocation = ACPI_MEM_ALLOCATED;
 
 	status = acpi_tb_install_table (&table_info);
+	obj_desc->reference.object = table_info.installed_desc;
+
 	if (ACPI_FAILURE (status)) {
+		if (status == AE_ALREADY_EXISTS) {
+			/* Table already exists, just return the handle */
+
+			return_ACPI_STATUS (AE_OK);
+		}
 		goto cleanup;
 	}
 
@@ -123,16 +135,12 @@ acpi_ex_add_table (
 		goto cleanup;
 	}
 
-	/* Init the table handle */
-
-	obj_desc->reference.opcode = AML_LOAD_OP;
-	obj_desc->reference.object = table_info.installed_desc;
-	*ddb_handle = obj_desc;
 	return_ACPI_STATUS (AE_OK);
 
 
 cleanup:
 	acpi_ut_remove_reference (obj_desc);
+	*ddb_handle = NULL;
 	return_ACPI_STATUS (status);
 }
 
@@ -376,16 +384,22 @@ acpi_ex_load_op (
 		 */
 		status = acpi_ex_read_data_from_field (walk_state, obj_desc, &buffer_desc);
 		if (ACPI_FAILURE (status)) {
-			goto cleanup;
+			return_ACPI_STATUS (status);
 		}
 
 		table_ptr = ACPI_CAST_PTR (struct acpi_table_header,
 				  buffer_desc->buffer.pointer);
 
-		 /* Sanity check the table length */
+		/* All done with the buffer_desc, delete it */
+
+		buffer_desc->buffer.pointer = NULL;
+		acpi_ut_remove_reference (buffer_desc);
+
+		/* Sanity check the table length */
 
 		if (table_ptr->length < sizeof (struct acpi_table_header)) {
-			return_ACPI_STATUS (AE_BAD_HEADER);
+			status = AE_BAD_HEADER;
+			goto cleanup;
 		}
 		break;
 
@@ -413,7 +427,9 @@ acpi_ex_load_op (
 
 	status = acpi_ex_add_table (table_ptr, acpi_gbl_root_node, &ddb_handle);
 	if (ACPI_FAILURE (status)) {
-		goto cleanup;
+		/* On error, table_ptr was deallocated above */
+
+		return_ACPI_STATUS (status);
 	}
 
 	/* Store the ddb_handle into the Target operand */
@@ -421,17 +437,14 @@ acpi_ex_load_op (
 	status = acpi_ex_store (ddb_handle, target, walk_state);
 	if (ACPI_FAILURE (status)) {
 		(void) acpi_ex_unload_table (ddb_handle);
-	}
 
-	return_ACPI_STATUS (status);
+		/* table_ptr was deallocated above */
 
+		return_ACPI_STATUS (status);
+	}
 
 cleanup:
-
-	if (buffer_desc) {
-		acpi_ut_remove_reference (buffer_desc);
-	}
-	else {
+	if (ACPI_FAILURE (status)) {
 		ACPI_MEM_FREE (table_ptr);
 	}
 	return_ACPI_STATUS (status);
@@ -482,7 +495,8 @@ acpi_ex_unload_table (
 	 * Delete the entire namespace under this table Node
 	 * (Offset contains the table_id)
 	 */
-	acpi_ns_delete_namespace_by_owner (table_info->table_id);
+	acpi_ns_delete_namespace_by_owner (table_info->owner_id);
+	acpi_ut_release_owner_id (&table_info->owner_id);
 
 	/* Delete the table itself */
 
diff --git a/drivers/acpi/executer/exconvrt.c b/drivers/acpi/executer/exconvrt.c
index 97856c48bd7..21331625e66 100644
--- a/drivers/acpi/executer/exconvrt.c
+++ b/drivers/acpi/executer/exconvrt.c
@@ -367,7 +367,7 @@ acpi_ex_convert_to_ascii (
 
 		/* hex_length: 2 ascii hex chars per data byte */
 
-		hex_length = ACPI_MUL_2 (data_width);
+		hex_length = (acpi_native_uint) ACPI_MUL_2 (data_width);
 		for (i = 0, j = (hex_length-1); i < hex_length; i++, j--) {
 			/* Get one hex digit, most significant digits first */
 
diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c
index 40850064811..4f98dceed39 100644
--- a/drivers/acpi/executer/exdump.c
+++ b/drivers/acpi/executer/exdump.c
@@ -51,6 +51,11 @@
 #define _COMPONENT          ACPI_EXECUTER
 	 ACPI_MODULE_NAME    ("exdump")
 
+/*
+ * The following routines are used for debug output only
+ */
+#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
+
 /* Local prototypes */
 
 #ifdef ACPI_FUTURE_USAGE
@@ -73,13 +78,17 @@ static void
 acpi_ex_out_address (
 	char                            *title,
 	acpi_physical_address           value);
-#endif	/* ACPI_FUTURE_USAGE */
 
+static void
+acpi_ex_dump_reference (
+	union acpi_operand_object       *obj_desc);
 
-/*
- * The following routines are used for debug output only
- */
-#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
+static void
+acpi_ex_dump_package (
+	union acpi_operand_object       *obj_desc,
+	u32                             level,
+	u32                             index);
+#endif	/* ACPI_FUTURE_USAGE */
 
 /*******************************************************************************
  *
@@ -118,7 +127,7 @@ acpi_ex_dump_operand (
 	}
 
 	if (ACPI_GET_DESCRIPTOR_TYPE (obj_desc) == ACPI_DESC_TYPE_NAMED) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%p is a NS Node: ", obj_desc));
+		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "%p Namespace Node: ", obj_desc));
 		ACPI_DUMP_ENTRY (obj_desc, ACPI_LV_EXEC);
 		return;
 	}
@@ -467,7 +476,7 @@ acpi_ex_dump_operands (
 	}
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
-		"************* Stack dump from %s(%d), %s\n",
+		"************* Operand Stack dump from %s(%d), %s\n",
 		module_name, line_number, note));
 	return;
 }
@@ -508,7 +517,7 @@ acpi_ex_out_integer (
 	char                            *title,
 	u32                             value)
 {
-	acpi_os_printf ("%20s : %X\n", title, value);
+	acpi_os_printf ("%20s : %.2X\n", title, value);
 }
 
 static void
@@ -565,9 +574,144 @@ acpi_ex_dump_node (
 
 /*******************************************************************************
  *
+ * FUNCTION:    acpi_ex_dump_reference
+ *
+ * PARAMETERS:  Object              - Descriptor to dump
+ *
+ * DESCRIPTION: Dumps a reference object
+ *
+ ******************************************************************************/
+
+static void
+acpi_ex_dump_reference (
+	union acpi_operand_object       *obj_desc)
+{
+	struct acpi_buffer              ret_buf;
+	acpi_status                     status;
+
+
+	if (obj_desc->reference.opcode == AML_INT_NAMEPATH_OP) {
+		acpi_os_printf ("Named Object %p ", obj_desc->reference.node);
+		ret_buf.length = ACPI_ALLOCATE_LOCAL_BUFFER;
+		status = acpi_ns_handle_to_pathname (obj_desc->reference.node, &ret_buf);
+		if (ACPI_FAILURE (status)) {
+			acpi_os_printf ("Could not convert name to pathname\n");
+		}
+		else {
+		   acpi_os_printf ("%s\n", (char *) ret_buf.pointer);
+		   ACPI_MEM_FREE (ret_buf.pointer);
+		}
+	}
+	else if (obj_desc->reference.object) {
+		acpi_os_printf ("\nReferenced Object: %p\n", obj_desc->reference.object);
+	}
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ex_dump_package
+ *
+ * PARAMETERS:  Object              - Descriptor to dump
+ *              Level               - Indentation Level
+ *              Index               - Package index for this object
+ *
+ * DESCRIPTION: Dumps the elements of the package
+ *
+ ******************************************************************************/
+
+static void
+acpi_ex_dump_package (
+	union acpi_operand_object       *obj_desc,
+	u32                             level,
+	u32                             index)
+{
+	u32                             i;
+
+
+	/* Indentation and index output */
+
+	if (level > 0) {
+		for (i = 0; i < level; i++) {
+			acpi_os_printf (" ");
+		}
+
+		acpi_os_printf ("[%.2d] ", index);
+	}
+
+	acpi_os_printf ("%p ", obj_desc);
+
+	/* Null package elements are allowed */
+
+	if (!obj_desc) {
+		acpi_os_printf ("[Null Object]\n");
+		return;
+	}
+
+	/* Packages may only contain a few object types */
+
+	switch (ACPI_GET_OBJECT_TYPE (obj_desc)) {
+	case ACPI_TYPE_INTEGER:
+
+		acpi_os_printf ("[Integer] = %8.8X%8.8X\n",
+				 ACPI_FORMAT_UINT64 (obj_desc->integer.value));
+		break;
+
+
+	case ACPI_TYPE_STRING:
+
+		acpi_os_printf ("[String] Value: ");
+		for (i = 0; i < obj_desc->string.length; i++) {
+			acpi_os_printf ("%c", obj_desc->string.pointer[i]);
+		}
+		acpi_os_printf ("\n");
+		break;
+
+
+	case ACPI_TYPE_BUFFER:
+
+		acpi_os_printf ("[Buffer] Length %.2X = ", obj_desc->buffer.length);
+		if (obj_desc->buffer.length) {
+			acpi_ut_dump_buffer ((u8 *) obj_desc->buffer.pointer,
+					obj_desc->buffer.length, DB_DWORD_DISPLAY, _COMPONENT);
+		}
+		else {
+			acpi_os_printf ("\n");
+		}
+		break;
+
+
+	case ACPI_TYPE_PACKAGE:
+
+		acpi_os_printf ("[Package] Contains %d Elements: \n",
+				obj_desc->package.count);
+
+		for (i = 0; i < obj_desc->package.count; i++) {
+			acpi_ex_dump_package (obj_desc->package.elements[i], level+1, i);
+		}
+		break;
+
+
+	case ACPI_TYPE_LOCAL_REFERENCE:
+
+		acpi_os_printf ("[Object Reference] ");
+		acpi_ex_dump_reference (obj_desc);
+		break;
+
+
+	default:
+
+		acpi_os_printf ("[Unknown Type] %X\n", ACPI_GET_OBJECT_TYPE (obj_desc));
+		break;
+	}
+}
+
+
+/*******************************************************************************
+ *
  * FUNCTION:    acpi_ex_dump_object_descriptor
  *
- * PARAMETERS:  *Object             - Descriptor to dump
+ * PARAMETERS:  Object              - Descriptor to dump
  *              Flags               - Force display if TRUE
  *
  * DESCRIPTION: Dumps the members of the object descriptor given.
@@ -579,9 +723,6 @@ acpi_ex_dump_object_descriptor (
 	union acpi_operand_object       *obj_desc,
 	u32                             flags)
 {
-	u32                             i;
-
-
 	ACPI_FUNCTION_TRACE ("ex_dump_object_descriptor");
 
 
@@ -648,22 +789,13 @@ acpi_ex_dump_object_descriptor (
 	case ACPI_TYPE_PACKAGE:
 
 		acpi_ex_out_integer ("Flags",       obj_desc->package.flags);
-		acpi_ex_out_integer ("Count",       obj_desc->package.count);
-		acpi_ex_out_pointer ("Elements",    obj_desc->package.elements);
+		acpi_ex_out_integer ("Elements",    obj_desc->package.count);
+		acpi_ex_out_pointer ("Element List", obj_desc->package.elements);
 
 		/* Dump the package contents */
 
-		if (obj_desc->package.count > 0) {
-			acpi_os_printf ("\nPackage Contents:\n");
-			for (i = 0; i < obj_desc->package.count; i++) {
-				acpi_os_printf ("[%.3d] %p", i, obj_desc->package.elements[i]);
-				if (obj_desc->package.elements[i]) {
-					acpi_os_printf (" %s",
-						acpi_ut_get_object_type_name (obj_desc->package.elements[i]));
-				}
-				acpi_os_printf ("\n");
-			}
-		}
+		acpi_os_printf ("\nPackage Contents:\n");
+		acpi_ex_dump_package (obj_desc, 0, 0);
 		break;
 
 
@@ -686,7 +818,7 @@ acpi_ex_dump_object_descriptor (
 		acpi_ex_out_integer ("param_count", obj_desc->method.param_count);
 		acpi_ex_out_integer ("Concurrency", obj_desc->method.concurrency);
 		acpi_ex_out_pointer ("Semaphore",   obj_desc->method.semaphore);
-		acpi_ex_out_integer ("owning_id",   obj_desc->method.owning_id);
+		acpi_ex_out_integer ("owner_id",    obj_desc->method.owner_id);
 		acpi_ex_out_integer ("aml_length",  obj_desc->method.aml_length);
 		acpi_ex_out_pointer ("aml_start",   obj_desc->method.aml_start);
 		break;
@@ -790,10 +922,7 @@ acpi_ex_dump_object_descriptor (
 		acpi_ex_out_pointer ("Node",        obj_desc->reference.node);
 		acpi_ex_out_pointer ("Where",       obj_desc->reference.where);
 
-		if (obj_desc->reference.object) {
-			acpi_os_printf ("\nReferenced Object:\n");
-			acpi_ex_dump_object_descriptor (obj_desc->reference.object, flags);
-		}
+		acpi_ex_dump_reference (obj_desc);
 		break;
 
 
diff --git a/drivers/acpi/executer/exfield.c b/drivers/acpi/executer/exfield.c
index 22c8fa480f6..a690c925099 100644
--- a/drivers/acpi/executer/exfield.c
+++ b/drivers/acpi/executer/exfield.c
@@ -87,6 +87,9 @@ acpi_ex_read_data_from_field (
 	if (!obj_desc) {
 		return_ACPI_STATUS (AE_AML_NO_OPERAND);
 	}
+	if (!ret_buffer_desc) {
+		return_ACPI_STATUS (AE_BAD_PARAMETER);
+	}
 
 	if (ACPI_GET_OBJECT_TYPE (obj_desc) == ACPI_TYPE_BUFFER_FIELD) {
 		/*
@@ -182,7 +185,7 @@ exit:
 	if (ACPI_FAILURE (status)) {
 		acpi_ut_remove_reference (buffer_desc);
 	}
-	else if (ret_buffer_desc) {
+	else {
 		*ret_buffer_desc = buffer_desc;
 	}
 
diff --git a/drivers/acpi/executer/exmisc.c b/drivers/acpi/executer/exmisc.c
index 022f281345b..237ef28c813 100644
--- a/drivers/acpi/executer/exmisc.c
+++ b/drivers/acpi/executer/exmisc.c
@@ -302,7 +302,7 @@ acpi_ex_do_concatenate (
 		/* Result of two Integers is a Buffer */
 		/* Need enough buffer space for two integers */
 
-		return_desc = acpi_ut_create_buffer_object (
+		return_desc = acpi_ut_create_buffer_object ((acpi_size)
 				   ACPI_MUL_2 (acpi_gbl_integer_byte_width));
 		if (!return_desc) {
 			status = AE_NO_MEMORY;
diff --git a/drivers/acpi/executer/exnames.c b/drivers/acpi/executer/exnames.c
index 639f0bd3f6d..b6ba1a7a677 100644
--- a/drivers/acpi/executer/exnames.c
+++ b/drivers/acpi/executer/exnames.c
@@ -438,6 +438,13 @@ acpi_ex_get_name_string (
 		status = AE_AML_BAD_NAME;
 	}
 
+	if (ACPI_FAILURE (status)) {
+		if (name_string) {
+			ACPI_MEM_FREE (name_string);
+		}
+		return_ACPI_STATUS (status);
+	}
+
 	*out_name_string = name_string;
 	*out_name_length = (u32) (aml_address - in_aml_address);
 
diff --git a/drivers/acpi/executer/exoparg1.c b/drivers/acpi/executer/exoparg1.c
index dbdf8262ba0..48c30f80008 100644
--- a/drivers/acpi/executer/exoparg1.c
+++ b/drivers/acpi/executer/exoparg1.c
@@ -113,8 +113,9 @@ acpi_ex_opcode_0A_0T_1R (
 			status = AE_NO_MEMORY;
 			goto cleanup;
 		}
-
+#if ACPI_MACHINE_WIDTH != 16
 		return_desc->integer.value = acpi_os_get_timer ();
+#endif
 		break;
 
 	default:                /*  Unknown opcode  */
@@ -127,15 +128,16 @@ acpi_ex_opcode_0A_0T_1R (
 
 cleanup:
 
-	if (!walk_state->result_obj) {
-		walk_state->result_obj = return_desc;
-	}
-
 	/* Delete return object on error */
 
-	if (ACPI_FAILURE (status)) {
+	if ((ACPI_FAILURE (status)) || walk_state->result_obj) {
 		acpi_ut_remove_reference (return_desc);
 	}
+	else {
+		/* Save the return value */
+
+		walk_state->result_obj = return_desc;
+	}
 
 	return_ACPI_STATUS (status);
 }
@@ -902,6 +904,7 @@ acpi_ex_opcode_1A_0T_1R (
 			 */
 			return_desc = acpi_ns_get_attached_object (
 					  (struct acpi_namespace_node *) operand[0]);
+			acpi_ut_add_reference (return_desc);
 		}
 		else {
 			/*
@@ -951,20 +954,10 @@ acpi_ex_opcode_1A_0T_1R (
 					 * add another reference to the referenced object, however.
 					 */
 					return_desc = *(operand[0]->reference.where);
-					if (!return_desc) {
-						/*
-						 * We can't return a NULL dereferenced value.  This is
-						 * an uninitialized package element and is thus a
-						 * severe error.
-						 */
-						ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-							"NULL package element obj %p\n",
-							operand[0]));
-						status = AE_AML_UNINITIALIZED_ELEMENT;
-						goto cleanup;
+					if (return_desc) {
+						acpi_ut_add_reference (return_desc);
 					}
 
-					acpi_ut_add_reference (return_desc);
 					break;
 
 
diff --git a/drivers/acpi/executer/exoparg3.c b/drivers/acpi/executer/exoparg3.c
index 23b068adbf5..197890f443b 100644
--- a/drivers/acpi/executer/exoparg3.c
+++ b/drivers/acpi/executer/exoparg3.c
@@ -160,7 +160,7 @@ acpi_ex_opcode_3A_1T_1R (
 {
 	union acpi_operand_object       **operand = &walk_state->operands[0];
 	union acpi_operand_object       *return_desc = NULL;
-	char                            *buffer;
+	char                            *buffer = NULL;
 	acpi_status                     status = AE_OK;
 	acpi_integer                    index;
 	acpi_size                       length;
@@ -193,34 +193,63 @@ acpi_ex_opcode_3A_1T_1R (
 		 * If the index is beyond the length of the String/Buffer, or if the
 		 * requested length is zero, return a zero-length String/Buffer
 		 */
-		if ((index < operand[0]->string.length) &&
-			(length > 0)) {
-			/* Truncate request if larger than the actual String/Buffer */
-
-			if ((index + length) >
-				operand[0]->string.length) {
-				length = (acpi_size) operand[0]->string.length -
-						 (acpi_size) index;
-			}
+		if (index >= operand[0]->string.length) {
+			length = 0;
+		}
+
+		/* Truncate request if larger than the actual String/Buffer */
+
+		else if ((index + length) > operand[0]->string.length) {
+			length = (acpi_size) operand[0]->string.length -
+					 (acpi_size) index;
+		}
 
-			/* Allocate a new buffer for the String/Buffer */
+		/* Strings always have a sub-pointer, not so for buffers */
+
+		switch (ACPI_GET_OBJECT_TYPE (operand[0])) {
+		case ACPI_TYPE_STRING:
+
+			/* Always allocate a new buffer for the String */
 
 			buffer = ACPI_MEM_CALLOCATE ((acpi_size) length + 1);
 			if (!buffer) {
 				status = AE_NO_MEMORY;
 				goto cleanup;
 			}
+			break;
+
+		case ACPI_TYPE_BUFFER:
+
+			/* If the requested length is zero, don't allocate a buffer */
+
+			if (length > 0) {
+				/* Allocate a new buffer for the Buffer */
+
+				buffer = ACPI_MEM_CALLOCATE (length);
+				if (!buffer) {
+					status = AE_NO_MEMORY;
+					goto cleanup;
+				}
+			}
+			break;
 
+		default:                        /* Should not happen */
+
+			status = AE_AML_OPERAND_TYPE;
+			goto cleanup;
+		}
+
+		if (length > 0) {
 			/* Copy the portion requested */
 
 			ACPI_MEMCPY (buffer, operand[0]->string.pointer + index,
 					  length);
+		}
 
-			/* Set the length of the new String/Buffer */
+		/* Set the length of the new String/Buffer */
 
-			return_desc->string.pointer = buffer;
-			return_desc->string.length = (u32) length;
-		}
+		return_desc->string.pointer = buffer;
+		return_desc->string.length = (u32) length;
 
 		/* Mark buffer initialized */
 
@@ -244,13 +273,13 @@ cleanup:
 
 	/* Delete return object on error */
 
-	if (ACPI_FAILURE (status)) {
+	if (ACPI_FAILURE (status) || walk_state->result_obj) {
 		acpi_ut_remove_reference (return_desc);
 	}
 
 	/* Set the return object and exit */
 
-	if (!walk_state->result_obj) {
+	else {
 		walk_state->result_obj = return_desc;
 	}
 	return_ACPI_STATUS (status);
diff --git a/drivers/acpi/executer/exresop.c b/drivers/acpi/executer/exresop.c
index d8b470eefe7..aaba7abcb52 100644
--- a/drivers/acpi/executer/exresop.c
+++ b/drivers/acpi/executer/exresop.c
@@ -426,6 +426,10 @@ acpi_ex_resolve_operands (
 
 				return_ACPI_STATUS (status);
 			}
+
+			if (obj_desc != *stack_ptr) {
+				acpi_ut_remove_reference (obj_desc);
+			}
 			goto next_operand;
 
 
@@ -448,6 +452,10 @@ acpi_ex_resolve_operands (
 
 				return_ACPI_STATUS (status);
 			}
+
+			if (obj_desc != *stack_ptr) {
+				acpi_ut_remove_reference (obj_desc);
+			}
 			goto next_operand;
 
 
@@ -471,6 +479,10 @@ acpi_ex_resolve_operands (
 
 				return_ACPI_STATUS (status);
 			}
+
+			if (obj_desc != *stack_ptr) {
+				acpi_ut_remove_reference (obj_desc);
+			}
 			goto next_operand;
 
 
@@ -515,6 +527,10 @@ acpi_ex_resolve_operands (
 				if (ACPI_FAILURE (status)) {
 					return_ACPI_STATUS (status);
 				}
+
+				if (obj_desc != *stack_ptr) {
+					acpi_ut_remove_reference (obj_desc);
+				}
 				break;
 
 			default:
diff --git a/drivers/acpi/executer/exstore.c b/drivers/acpi/executer/exstore.c
index 2725db0901b..59dbfeaa54c 100644
--- a/drivers/acpi/executer/exstore.c
+++ b/drivers/acpi/executer/exstore.c
@@ -147,7 +147,7 @@ acpi_ex_do_debug_object (
 
 	case ACPI_TYPE_BUFFER:
 
-		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X]",
+		ACPI_DEBUG_PRINT_RAW ((ACPI_DB_DEBUG_OBJECT, "[0x%.2X]\n",
 			(u32) source_desc->buffer.length));
 		ACPI_DUMP_BUFFER (source_desc->buffer.pointer,
 			(source_desc->buffer.length < 32) ? source_desc->buffer.length : 32);
@@ -574,7 +574,7 @@ acpi_ex_store_object_to_node (
 
 	/* If no implicit conversion, drop into the default case below */
 
-	if (!implicit_conversion) {
+	if ((!implicit_conversion) || (walk_state->opcode == AML_COPY_OP)) {
 		/* Force execution of default (no implicit conversion) */
 
 		target_type = ACPI_TYPE_ANY;
@@ -634,7 +634,7 @@ acpi_ex_store_object_to_node (
 	default:
 
 		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
-			"Storing %s (%p) directly into node (%p), no implicit conversion\n",
+			"Storing %s (%p) directly into node (%p) with no implicit conversion\n",
 			acpi_ut_get_object_type_name (source_desc), source_desc, node));
 
 		/* No conversions for all other types.  Just attach the source object */
diff --git a/drivers/acpi/executer/exstoren.c b/drivers/acpi/executer/exstoren.c
index 120f30ed0bd..433588ab432 100644
--- a/drivers/acpi/executer/exstoren.c
+++ b/drivers/acpi/executer/exstoren.c
@@ -265,10 +265,6 @@ acpi_ex_store_object_to_object (
 
 	case ACPI_TYPE_BUFFER:
 
-		/*
-		 * Note: There is different store behavior depending on the original
-		 * source type
-		 */
 		status = acpi_ex_store_buffer_to_buffer (actual_src_desc, dest_desc);
 		break;
 
diff --git a/drivers/acpi/executer/exutils.c b/drivers/acpi/executer/exutils.c
index 5c7ec0c0417..d00b0dcba96 100644
--- a/drivers/acpi/executer/exutils.c
+++ b/drivers/acpi/executer/exutils.c
@@ -369,7 +369,7 @@ acpi_ex_eisa_id_to_string (
  *
  * RETURN:      None, string
  *
- * DESCRIPTOIN: Convert a number to string representation. Assumes string
+ * DESCRIPTION: Convert a number to string representation. Assumes string
  *              buffer is large enough to hold the string.
  *
  ******************************************************************************/
diff --git a/drivers/acpi/hardware/hwgpe.c b/drivers/acpi/hardware/hwgpe.c
index 8daeabb2fc7..3536bbb990c 100644
--- a/drivers/acpi/hardware/hwgpe.c
+++ b/drivers/acpi/hardware/hwgpe.c
@@ -374,7 +374,7 @@ acpi_hw_enable_wakeup_gpe_block (
  *
  * FUNCTION:    acpi_hw_disable_all_gpes
  *
- * PARAMETERS:  Flags           - ACPI_NOT_ISR or ACPI_ISR
+ * PARAMETERS:  None
  *
  * RETURN:      Status
  *
@@ -384,7 +384,7 @@ acpi_hw_enable_wakeup_gpe_block (
 
 acpi_status
 acpi_hw_disable_all_gpes (
-	u32                             flags)
+	void)
 {
 	acpi_status                     status;
 
@@ -392,8 +392,8 @@ acpi_hw_disable_all_gpes (
 	ACPI_FUNCTION_TRACE ("hw_disable_all_gpes");
 
 
-	status = acpi_ev_walk_gpe_list (acpi_hw_disable_gpe_block, flags);
-	status = acpi_ev_walk_gpe_list (acpi_hw_clear_gpe_block, flags);
+	status = acpi_ev_walk_gpe_list (acpi_hw_disable_gpe_block);
+	status = acpi_ev_walk_gpe_list (acpi_hw_clear_gpe_block);
 	return_ACPI_STATUS (status);
 }
 
@@ -402,7 +402,7 @@ acpi_hw_disable_all_gpes (
  *
  * FUNCTION:    acpi_hw_enable_all_runtime_gpes
  *
- * PARAMETERS:  Flags           - ACPI_NOT_ISR or ACPI_ISR
+ * PARAMETERS:  None
  *
  * RETURN:      Status
  *
@@ -412,7 +412,7 @@ acpi_hw_disable_all_gpes (
 
 acpi_status
 acpi_hw_enable_all_runtime_gpes (
-	u32                             flags)
+	void)
 {
 	acpi_status                     status;
 
@@ -420,7 +420,7 @@ acpi_hw_enable_all_runtime_gpes (
 	ACPI_FUNCTION_TRACE ("hw_enable_all_runtime_gpes");
 
 
-	status = acpi_ev_walk_gpe_list (acpi_hw_enable_runtime_gpe_block, flags);
+	status = acpi_ev_walk_gpe_list (acpi_hw_enable_runtime_gpe_block);
 	return_ACPI_STATUS (status);
 }
 
@@ -429,7 +429,7 @@ acpi_hw_enable_all_runtime_gpes (
  *
  * FUNCTION:    acpi_hw_enable_all_wakeup_gpes
  *
- * PARAMETERS:  Flags           - ACPI_NOT_ISR or ACPI_ISR
+ * PARAMETERS:  None
  *
  * RETURN:      Status
  *
@@ -439,7 +439,7 @@ acpi_hw_enable_all_runtime_gpes (
 
 acpi_status
 acpi_hw_enable_all_wakeup_gpes (
-	u32                             flags)
+	void)
 {
 	acpi_status                     status;
 
@@ -447,7 +447,7 @@ acpi_hw_enable_all_wakeup_gpes (
 	ACPI_FUNCTION_TRACE ("hw_enable_all_wakeup_gpes");
 
 
-	status = acpi_ev_walk_gpe_list (acpi_hw_enable_wakeup_gpe_block, flags);
+	status = acpi_ev_walk_gpe_list (acpi_hw_enable_wakeup_gpe_block);
 	return_ACPI_STATUS (status);
 }
 
diff --git a/drivers/acpi/hardware/hwregs.c b/drivers/acpi/hardware/hwregs.c
index 6d9e4eb8483..04a058565d8 100644
--- a/drivers/acpi/hardware/hwregs.c
+++ b/drivers/acpi/hardware/hwregs.c
@@ -106,7 +106,7 @@ acpi_hw_clear_acpi_status (
 
 	/* Clear the GPE Bits in all GPE registers in all GPE blocks */
 
-	status = acpi_ev_walk_gpe_list (acpi_hw_clear_gpe_block, ACPI_ISR);
+	status = acpi_ev_walk_gpe_list (acpi_hw_clear_gpe_block);
 
 unlock_and_exit:
 	if (flags & ACPI_MTX_LOCK) {
diff --git a/drivers/acpi/hardware/hwsleep.c b/drivers/acpi/hardware/hwsleep.c
index 415d342aeab..cedee0c43b5 100644
--- a/drivers/acpi/hardware/hwsleep.c
+++ b/drivers/acpi/hardware/hwsleep.c
@@ -274,13 +274,13 @@ acpi_enter_sleep_state (
 	 * 1) Disable/Clear all GPEs
 	 * 2) Enable all wakeup GPEs
 	 */
-	status = acpi_hw_disable_all_gpes (ACPI_ISR);
+	status = acpi_hw_disable_all_gpes ();
 	if (ACPI_FAILURE (status)) {
 		return_ACPI_STATUS (status);
 	}
 	acpi_gbl_system_awake_and_running = FALSE;
 
-	status = acpi_hw_enable_all_wakeup_gpes (ACPI_ISR);
+	status = acpi_hw_enable_all_wakeup_gpes ();
 	if (ACPI_FAILURE (status)) {
 		return_ACPI_STATUS (status);
 	}
@@ -424,13 +424,13 @@ acpi_enter_sleep_state_s4bios (
 	 * 1) Disable/Clear all GPEs
 	 * 2) Enable all wakeup GPEs
 	 */
-	status = acpi_hw_disable_all_gpes (ACPI_ISR);
+	status = acpi_hw_disable_all_gpes ();
 	if (ACPI_FAILURE (status)) {
 		return_ACPI_STATUS (status);
 	}
 	acpi_gbl_system_awake_and_running = FALSE;
 
-	status = acpi_hw_enable_all_wakeup_gpes (ACPI_ISR);
+	status = acpi_hw_enable_all_wakeup_gpes ();
 	if (ACPI_FAILURE (status)) {
 		return_ACPI_STATUS (status);
 	}
@@ -557,13 +557,13 @@ acpi_leave_sleep_state (
 	 * 1) Disable/Clear all GPEs
 	 * 2) Enable all runtime GPEs
 	 */
-	status = acpi_hw_disable_all_gpes (ACPI_NOT_ISR);
+	status = acpi_hw_disable_all_gpes ();
 	if (ACPI_FAILURE (status)) {
 		return_ACPI_STATUS (status);
 	}
 	acpi_gbl_system_awake_and_running = TRUE;
 
-	status = acpi_hw_enable_all_runtime_gpes (ACPI_NOT_ISR);
+	status = acpi_hw_enable_all_runtime_gpes ();
 	if (ACPI_FAILURE (status)) {
 		return_ACPI_STATUS (status);
 	}
diff --git a/drivers/acpi/namespace/nsaccess.c b/drivers/acpi/namespace/nsaccess.c
index ece7a9dedd5..7589e1fdf25 100644
--- a/drivers/acpi/namespace/nsaccess.c
+++ b/drivers/acpi/namespace/nsaccess.c
@@ -159,19 +159,20 @@ acpi_ns_root_initialize (
 				obj_desc->method.param_count = (u8) ACPI_TO_INTEGER (val);
 				obj_desc->common.flags |= AOPOBJ_DATA_VALID;
 
-#if defined (_ACPI_ASL_COMPILER) || defined (_ACPI_DUMP_App)
+#if defined (ACPI_ASL_COMPILER)
 
-				/*
-				 * i_aSL Compiler cheats by putting parameter count
-				 * in the owner_iD
-				 */
-				new_node->owner_id = obj_desc->method.param_count;
+				/* save the parameter count for the i_aSL compiler */
+
+				new_node->value = obj_desc->method.param_count;
 #else
 				/* Mark this as a very SPECIAL method */
 
 				obj_desc->method.method_flags = AML_METHOD_INTERNAL_ONLY;
+
+#ifndef ACPI_DUMP_APP
 				obj_desc->method.implementation = acpi_ut_osi_implementation;
 #endif
+#endif
 				break;
 
 			case ACPI_TYPE_INTEGER:
diff --git a/drivers/acpi/namespace/nsalloc.c b/drivers/acpi/namespace/nsalloc.c
index 5653a19d717..21d560decbf 100644
--- a/drivers/acpi/namespace/nsalloc.c
+++ b/drivers/acpi/namespace/nsalloc.c
@@ -83,7 +83,7 @@ acpi_ns_create_node (
 		return_PTR (NULL);
 	}
 
-	ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].total_allocated++);
+	ACPI_MEM_TRACKING (acpi_gbl_ns_node_list->total_allocated++);
 
 	node->name.integer   = name;
 	node->reference_count = 1;
@@ -151,7 +151,7 @@ acpi_ns_delete_node (
 		}
 	}
 
-	ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].total_freed++);
+	ACPI_MEM_TRACKING (acpi_gbl_ns_node_list->total_freed++);
 
 	/*
 	 * Detach an object if there is one then delete the node
@@ -176,10 +176,9 @@ acpi_ns_delete_node (
  * DESCRIPTION: Initialize a new namespace node and install it amongst
  *              its peers.
  *
- *              Note: Current namespace lookup is linear search.  However, the
- *              nodes are linked in alphabetical order to 1) put all reserved
- *              names (start with underscore) first, and to 2) make a readable
- *              namespace dump.
+ *              Note: Current namespace lookup is linear search. This appears
+ *              to be sufficient as namespace searches consume only a small
+ *              fraction of the execution time of the ACPI subsystem.
  *
  ******************************************************************************/
 
@@ -190,12 +189,8 @@ acpi_ns_install_node (
 	struct acpi_namespace_node      *node,          /* New Child*/
 	acpi_object_type                type)
 {
-	u16                             owner_id = 0;
+	acpi_owner_id                   owner_id = 0;
 	struct acpi_namespace_node      *child_node;
-#ifdef ACPI_ALPHABETIC_NAMESPACE
-
-	struct acpi_namespace_node      *previous_child_node;
-#endif
 
 
 	ACPI_FUNCTION_TRACE ("ns_install_node");
@@ -219,57 +214,6 @@ acpi_ns_install_node (
 		node->peer = parent_node;
 	}
 	else {
-#ifdef ACPI_ALPHABETIC_NAMESPACE
-		/*
-		 * Walk the list whilst searching for the correct
-		 * alphabetic placement.
-		 */
-		previous_child_node = NULL;
-		while (acpi_ns_compare_names (acpi_ut_get_node_name (child_node),
-				 acpi_ut_get_node_name (node)) < 0) {
-			if (child_node->flags & ANOBJ_END_OF_PEER_LIST) {
-				/* Last peer;  Clear end-of-list flag */
-
-				child_node->flags &= ~ANOBJ_END_OF_PEER_LIST;
-
-				/* This node is the new peer to the child node */
-
-				child_node->peer = node;
-
-				/* This node is the new end-of-list */
-
-				node->flags |= ANOBJ_END_OF_PEER_LIST;
-				node->peer = parent_node;
-				break;
-			}
-
-			/* Get next peer */
-
-			previous_child_node = child_node;
-			child_node = child_node->peer;
-		}
-
-		/* Did the node get inserted at the end-of-list? */
-
-		if (!(node->flags & ANOBJ_END_OF_PEER_LIST)) {
-			/*
-			 * Loop above terminated without reaching the end-of-list.
-			 * Insert the new node at the current location
-			 */
-			if (previous_child_node) {
-				/* Insert node alphabetically */
-
-				node->peer = child_node;
-				previous_child_node->peer = node;
-			}
-			else {
-				/* Insert node alphabetically at start of list */
-
-				node->peer = child_node;
-				parent_node->child = node;
-			}
-		}
-#else
 		while (!(child_node->flags & ANOBJ_END_OF_PEER_LIST)) {
 			child_node = child_node->peer;
 		}
@@ -279,9 +223,8 @@ acpi_ns_install_node (
 		/* Clear end-of-list flag */
 
 		child_node->flags &= ~ANOBJ_END_OF_PEER_LIST;
-		node->flags     |= ANOBJ_END_OF_PEER_LIST;
+		node->flags |= ANOBJ_END_OF_PEER_LIST;
 		node->peer = parent_node;
-#endif
 	}
 
 	/* Init the new entry */
@@ -362,7 +305,7 @@ acpi_ns_delete_children (
 
 		/* Now we can free this child object */
 
-		ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].total_freed++);
+		ACPI_MEM_TRACKING (acpi_gbl_ns_node_list->total_freed++);
 
 		ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Object %p, Remaining %X\n",
 			child_node, acpi_gbl_current_node_count));
@@ -559,7 +502,7 @@ acpi_ns_remove_reference (
 
 void
 acpi_ns_delete_namespace_by_owner (
-	u16                             owner_id)
+	acpi_owner_id                    owner_id)
 {
 	struct acpi_namespace_node      *child_node;
 	struct acpi_namespace_node      *deletion_node;
@@ -570,6 +513,10 @@ acpi_ns_delete_namespace_by_owner (
 	ACPI_FUNCTION_TRACE_U32 ("ns_delete_namespace_by_owner", owner_id);
 
 
+	if (owner_id == 0) {
+		return_VOID;
+	}
+
 	parent_node   = acpi_gbl_root_node;
 	child_node    = NULL;
 	deletion_node = NULL;
@@ -639,54 +586,3 @@ acpi_ns_delete_namespace_by_owner (
 }
 
 
-#ifdef ACPI_ALPHABETIC_NAMESPACE
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ns_compare_names
- *
- * PARAMETERS:  Name1           - First name to compare
- *              Name2           - Second name to compare
- *
- * RETURN:      value from strncmp
- *
- * DESCRIPTION: Compare two ACPI names.  Names that are prefixed with an
- *              underscore are forced to be alphabetically first.
- *
- ******************************************************************************/
-
-int
-acpi_ns_compare_names (
-	char                            *name1,
-	char                            *name2)
-{
-	char                            reversed_name1[ACPI_NAME_SIZE];
-	char                            reversed_name2[ACPI_NAME_SIZE];
-	u32                             i;
-	u32                             j;
-
-
-	/*
-	 * Replace all instances of "underscore" with a value that is smaller so
-	 * that all names that are prefixed with underscore(s) are alphabetically
-	 * first.
-	 *
-	 * Reverse the name bytewise so we can just do a 32-bit compare instead
-	 * of a strncmp.
-	 */
-	for (i = 0, j= (ACPI_NAME_SIZE - 1); i < ACPI_NAME_SIZE; i++, j--) {
-		reversed_name1[j] = name1[i];
-		if (name1[i] == '_') {
-			reversed_name1[j] = '*';
-		}
-
-		reversed_name2[j] = name2[i];
-		if (name2[i] == '_') {
-			reversed_name2[j] = '*';
-		}
-	}
-
-	return (*(int *) reversed_name1 - *(int *) reversed_name2);
-}
-#endif
-
-
diff --git a/drivers/acpi/namespace/nsdump.c b/drivers/acpi/namespace/nsdump.c
index 6c2aef0e0dd..5d25add6b03 100644
--- a/drivers/acpi/namespace/nsdump.c
+++ b/drivers/acpi/namespace/nsdump.c
@@ -85,6 +85,9 @@ acpi_ns_print_pathname (
 	u32                             num_segments,
 	char                            *pathname)
 {
+	acpi_native_uint                i;
+
+
 	ACPI_FUNCTION_NAME ("ns_print_pathname");
 
 
@@ -97,9 +100,13 @@ acpi_ns_print_pathname (
 	ACPI_DEBUG_PRINT ((ACPI_DB_NAMES, "["));
 
 	while (num_segments) {
-		acpi_os_printf ("%4.4s", pathname);
-		pathname += ACPI_NAME_SIZE;
+		for (i = 0; i < 4; i++) {
+			ACPI_IS_PRINT (pathname[i]) ?
+				acpi_os_printf ("%c", pathname[i]) :
+				acpi_os_printf ("?");
+		}
 
+		pathname += ACPI_NAME_SIZE;
 		num_segments--;
 		if (num_segments) {
 			acpi_os_printf (".");
@@ -203,38 +210,42 @@ acpi_ns_dump_one_object (
 
 	/* Check if the owner matches */
 
-	if ((info->owner_id != ACPI_UINT32_MAX) &&
+	if ((info->owner_id != ACPI_OWNER_ID_MAX) &&
 		(info->owner_id != this_node->owner_id)) {
 		return (AE_OK);
 	}
 
-	/* Indent the object according to the level */
+	if (!(info->display_type & ACPI_DISPLAY_SHORT)) {
+		/* Indent the object according to the level */
 
-	acpi_os_printf ("%2d%*s", (u32) level - 1, (int) level * 2, " ");
+		acpi_os_printf ("%2d%*s", (u32) level - 1, (int) level * 2, " ");
 
-	/* Check the node type and name */
+		/* Check the node type and name */
 
-	if (type > ACPI_TYPE_LOCAL_MAX) {
-		ACPI_REPORT_WARNING (("Invalid ACPI Type %08X\n", type));
-	}
+		if (type > ACPI_TYPE_LOCAL_MAX) {
+			ACPI_REPORT_WARNING (("Invalid ACPI Type %08X\n", type));
+		}
 
-	if (!acpi_ut_valid_acpi_name (this_node->name.integer)) {
-		ACPI_REPORT_WARNING (("Invalid ACPI Name %08X\n",
-			this_node->name.integer));
+		if (!acpi_ut_valid_acpi_name (this_node->name.integer)) {
+			ACPI_REPORT_WARNING (("Invalid ACPI Name %08X\n",
+				this_node->name.integer));
+		}
+
+		acpi_os_printf ("%4.4s", acpi_ut_get_node_name (this_node));
 	}
 
 	/*
 	 * Now we can print out the pertinent information
 	 */
-	acpi_os_printf ("%4.4s %-12s %p ",
-			acpi_ut_get_node_name (this_node), acpi_ut_get_type_name (type), this_node);
+	acpi_os_printf (" %-12s %p ",
+			acpi_ut_get_type_name (type), this_node);
 
 	dbg_level = acpi_dbg_level;
 	acpi_dbg_level = 0;
 	obj_desc = acpi_ns_get_attached_object (this_node);
 	acpi_dbg_level = dbg_level;
 
-	switch (info->display_type) {
+	switch (info->display_type & ACPI_DISPLAY_MASK) {
 	case ACPI_DISPLAY_SUMMARY:
 
 		if (!obj_desc) {
@@ -475,7 +486,7 @@ acpi_ns_dump_one_object (
 
 	while (obj_desc) {
 		obj_type = ACPI_TYPE_INVALID;
-		acpi_os_printf ("      Attached Object %p: ", obj_desc);
+		acpi_os_printf ("Attached Object %p: ", obj_desc);
 
 		/* Decode the type of attached object and dump the contents */
 
@@ -484,9 +495,9 @@ acpi_ns_dump_one_object (
 
 			acpi_os_printf ("(Ptr to Node)\n");
 			bytes_to_dump = sizeof (struct acpi_namespace_node);
+			ACPI_DUMP_BUFFER (obj_desc, bytes_to_dump);
 			break;
 
-
 		case ACPI_DESC_TYPE_OPERAND:
 
 			obj_type = ACPI_GET_OBJECT_TYPE (obj_desc);
@@ -497,24 +508,19 @@ acpi_ns_dump_one_object (
 				bytes_to_dump = 32;
 			}
 			else {
-				acpi_os_printf ("(Ptr to ACPI Object type %s, %X)\n",
-					acpi_ut_get_type_name (obj_type), obj_type);
+				acpi_os_printf ("(Ptr to ACPI Object type %X [%s])\n",
+					obj_type, acpi_ut_get_type_name (obj_type));
 				bytes_to_dump = sizeof (union acpi_operand_object);
 			}
-			break;
 
+			ACPI_DUMP_BUFFER (obj_desc, bytes_to_dump);
+			break;
 
 		default:
 
-			acpi_os_printf (
-				"(String or Buffer ptr - not an object descriptor) [%s]\n",
-				acpi_ut_get_descriptor_name (obj_desc));
-			bytes_to_dump = 16;
 			break;
 		}
 
-		ACPI_DUMP_BUFFER (obj_desc, bytes_to_dump);
-
 		/* If value is NOT an internal object, we are done */
 
 		if (ACPI_GET_DESCRIPTOR_TYPE (obj_desc) != ACPI_DESC_TYPE_OPERAND) {
@@ -525,13 +531,17 @@ acpi_ns_dump_one_object (
 		 * Valid object, get the pointer to next level, if any
 		 */
 		switch (obj_type) {
+		case ACPI_TYPE_BUFFER:
 		case ACPI_TYPE_STRING:
+			/*
+			 * NOTE: takes advantage of common fields between string/buffer
+			 */
+			bytes_to_dump = obj_desc->string.length;
 			obj_desc = (void *) obj_desc->string.pointer;
-			break;
-
-		case ACPI_TYPE_BUFFER:
-			obj_desc = (void *) obj_desc->buffer.pointer;
-			break;
+			acpi_os_printf ( "(Buffer/String pointer %p length %X)\n",
+				obj_desc, bytes_to_dump);
+			ACPI_DUMP_BUFFER (obj_desc, bytes_to_dump);
+			goto cleanup;
 
 		case ACPI_TYPE_BUFFER_FIELD:
 			obj_desc = (union acpi_operand_object *) obj_desc->buffer_field.buffer_obj;
@@ -595,7 +605,7 @@ acpi_ns_dump_objects (
 	acpi_object_type                type,
 	u8                              display_type,
 	u32                             max_depth,
-	u32                             owner_id,
+	acpi_owner_id                   owner_id,
 	acpi_handle                     start_handle)
 {
 	struct acpi_walk_info           info;
@@ -640,14 +650,14 @@ acpi_ns_dump_entry (
 
 
 	info.debug_level = debug_level;
-	info.owner_id = ACPI_UINT32_MAX;
+	info.owner_id = ACPI_OWNER_ID_MAX;
 	info.display_type = ACPI_DISPLAY_SUMMARY;
 
 	(void) acpi_ns_dump_one_object (handle, 1, &info, NULL);
 }
 
 
-#ifdef _ACPI_ASL_COMPILER
+#ifdef ACPI_ASL_COMPILER
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ns_dump_tables
@@ -691,7 +701,7 @@ acpi_ns_dump_tables (
 	}
 
 	acpi_ns_dump_objects (ACPI_TYPE_ANY, ACPI_DISPLAY_OBJECTS, max_depth,
-			ACPI_UINT32_MAX, search_handle);
+			ACPI_OWNER_ID_MAX, search_handle);
 	return_VOID;
 }
 #endif	/* _ACPI_ASL_COMPILER */
diff --git a/drivers/acpi/namespace/nseval.c b/drivers/acpi/namespace/nseval.c
index 1ae89a1c882..908cffd5e72 100644
--- a/drivers/acpi/namespace/nseval.c
+++ b/drivers/acpi/namespace/nseval.c
@@ -365,6 +365,7 @@ acpi_ns_evaluate_by_handle (
  *
  * PARAMETERS:  Info            - Method info block, contains:
  *                  Node            - Method Node to execute
+ *                  obj_desc        - Method object
  *                  Parameters      - List of parameters to pass to the method,
  *                                    terminated by NULL. Params itself may be
  *                                    NULL if no parameters are being passed.
@@ -387,7 +388,6 @@ acpi_ns_execute_control_method (
 	struct acpi_parameter_info      *info)
 {
 	acpi_status                     status;
-	union acpi_operand_object       *obj_desc;
 
 
 	ACPI_FUNCTION_TRACE ("ns_execute_control_method");
@@ -395,8 +395,8 @@ acpi_ns_execute_control_method (
 
 	/* Verify that there is a method associated with this object */
 
-	obj_desc = acpi_ns_get_attached_object (info->node);
-	if (!obj_desc) {
+	info->obj_desc = acpi_ns_get_attached_object (info->node);
+	if (!info->obj_desc) {
 		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "No attached method object\n"));
 
 		(void) acpi_ut_release_mutex (ACPI_MTX_NAMESPACE);
@@ -407,7 +407,7 @@ acpi_ns_execute_control_method (
 		ACPI_LV_INFO, _COMPONENT);
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Method at AML address %p Length %X\n",
-		obj_desc->method.aml_start + 1, obj_desc->method.aml_length - 1));
+		info->obj_desc->method.aml_start + 1, info->obj_desc->method.aml_length - 1));
 
 	/*
 	 * Unlock the namespace before execution.  This allows namespace access
@@ -430,7 +430,7 @@ acpi_ns_execute_control_method (
 		return_ACPI_STATUS (status);
 	}
 
-	status = acpi_psx_execute (info);
+	status = acpi_ps_execute_method (info);
 	acpi_ex_exit_interpreter ();
 
 	return_ACPI_STATUS (status);
diff --git a/drivers/acpi/namespace/nsload.c b/drivers/acpi/namespace/nsload.c
index 34e49701660..1428a84a31e 100644
--- a/drivers/acpi/namespace/nsload.c
+++ b/drivers/acpi/namespace/nsload.c
@@ -198,7 +198,7 @@ acpi_ns_load_table_by_type (
 	switch (table_type) {
 	case ACPI_TABLE_DSDT:
 
-		ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Loading DSDT\n"));
+		ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Namespace load: DSDT\n"));
 
 		table_desc = acpi_gbl_table_lists[ACPI_TABLE_DSDT].next;
 
@@ -218,17 +218,18 @@ acpi_ns_load_table_by_type (
 
 
 	case ACPI_TABLE_SSDT:
+	case ACPI_TABLE_PSDT:
 
-		ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Loading %d SSDTs\n",
-			acpi_gbl_table_lists[ACPI_TABLE_SSDT].count));
+		ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Namespace load: %d SSDT or PSDTs\n",
+			acpi_gbl_table_lists[table_type].count));
 
 		/*
-		 * Traverse list of SSDT tables
+		 * Traverse list of SSDT or PSDT tables
 		 */
-		table_desc = acpi_gbl_table_lists[ACPI_TABLE_SSDT].next;
-		for (i = 0; i < acpi_gbl_table_lists[ACPI_TABLE_SSDT].count; i++) {
+		table_desc = acpi_gbl_table_lists[table_type].next;
+		for (i = 0; i < acpi_gbl_table_lists[table_type].count; i++) {
 			/*
-			 * Only attempt to load table if it is not
+			 * Only attempt to load table into namespace if it is not
 			 * already loaded!
 			 */
 			if (!table_desc->loaded_into_namespace) {
@@ -245,33 +246,6 @@ acpi_ns_load_table_by_type (
 		break;
 
 
-	case ACPI_TABLE_PSDT:
-
-		ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "Loading %d PSDTs\n",
-			acpi_gbl_table_lists[ACPI_TABLE_PSDT].count));
-
-		/*
-		 * Traverse list of PSDT tables
-		 */
-		table_desc = acpi_gbl_table_lists[ACPI_TABLE_PSDT].next;
-
-		for (i = 0; i < acpi_gbl_table_lists[ACPI_TABLE_PSDT].count; i++) {
-			/* Only attempt to load table if it is not already loaded! */
-
-			if (!table_desc->loaded_into_namespace) {
-				status = acpi_ns_load_table (table_desc, acpi_gbl_root_node);
-				if (ACPI_FAILURE (status)) {
-					break;
-				}
-
-				table_desc->loaded_into_namespace = TRUE;
-			}
-
-			table_desc = table_desc->next;
-		}
-		break;
-
-
 	default:
 		status = AE_SUPPORT;
 		break;
diff --git a/drivers/acpi/namespace/nsparse.c b/drivers/acpi/namespace/nsparse.c
index a0e13e8d376..24bed931d39 100644
--- a/drivers/acpi/namespace/nsparse.c
+++ b/drivers/acpi/namespace/nsparse.c
@@ -67,7 +67,7 @@
 
 acpi_status
 acpi_ns_one_complete_parse (
-	u32                             pass_number,
+	u8                              pass_number,
 	struct acpi_table_desc          *table_desc)
 {
 	union acpi_parse_object         *parse_root;
@@ -87,7 +87,7 @@ acpi_ns_one_complete_parse (
 
 	/* Create and initialize a new walk state */
 
-	walk_state = acpi_ds_create_walk_state (table_desc->table_id,
+	walk_state = acpi_ds_create_walk_state (table_desc->owner_id,
 			   NULL, NULL, NULL);
 	if (!walk_state) {
 		acpi_ps_free_op (parse_root);
@@ -146,6 +146,7 @@ acpi_ns_parse_table (
 	 * to service the entire parse.  The second pass of the parse then
 	 * performs another complete parse of the AML..
 	 */
+	ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Start pass 1\n"));
 	status = acpi_ns_one_complete_parse (1, table_desc);
 	if (ACPI_FAILURE (status)) {
 		return_ACPI_STATUS (status);
@@ -160,6 +161,7 @@ acpi_ns_parse_table (
 	 * overhead of this is compensated for by the fact that the
 	 * parse objects are all cached.
 	 */
+	ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "**** Start pass 2\n"));
 	status = acpi_ns_one_complete_parse (2, table_desc);
 	if (ACPI_FAILURE (status)) {
 		return_ACPI_STATUS (status);
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 7289da3c4db..f3a807c342c 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -782,54 +782,6 @@ acpi_os_delete_lock (
 	return_VOID;
 }
 
-/*
- * Acquire a spinlock.
- *
- * handle is a pointer to the spinlock_t.
- * flags is *not* the result of save_flags - it is an ACPI-specific flag variable
- *   that indicates whether we are at interrupt level.
- */
-void
-acpi_os_acquire_lock (
-	acpi_handle	handle,
-	u32		flags)
-{
-	ACPI_FUNCTION_TRACE ("os_acquire_lock");
-
-	ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Acquiring spinlock[%p] from %s level\n", handle,
-		((flags & ACPI_NOT_ISR) ? "non-interrupt" : "interrupt")));
-
-	if (flags & ACPI_NOT_ISR)
-		ACPI_DISABLE_IRQS();
-
-	spin_lock((spinlock_t *)handle);
-
-	return_VOID;
-}
-
-
-/*
- * Release a spinlock. See above.
- */
-void
-acpi_os_release_lock (
-	acpi_handle	handle,
-	u32		flags)
-{
-	ACPI_FUNCTION_TRACE ("os_release_lock");
-
-	ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Releasing spinlock[%p] from %s level\n", handle,
-		((flags & ACPI_NOT_ISR) ? "non-interrupt" : "interrupt")));
-
-	spin_unlock((spinlock_t *)handle);
-
-	if (flags & ACPI_NOT_ISR)
-		ACPI_ENABLE_IRQS();
-
-	return_VOID;
-}
-
-
 acpi_status
 acpi_os_create_semaphore(
 	u32		max_units,
@@ -1176,3 +1128,151 @@ unsigned int max_cstate = ACPI_PROCESSOR_MAX_POWER;
 
 
 EXPORT_SYMBOL(max_cstate);
+
+/*
+ * Acquire a spinlock.
+ *
+ * handle is a pointer to the spinlock_t.
+ * flags is *not* the result of save_flags - it is an ACPI-specific flag variable
+ *   that indicates whether we are at interrupt level.
+ */
+
+unsigned long
+acpi_os_acquire_lock (
+	acpi_handle	handle)
+{
+	unsigned long flags;
+	spin_lock_irqsave((spinlock_t *)handle, flags);
+	return flags;
+}
+
+/*
+ * Release a spinlock. See above.
+ */
+
+void
+acpi_os_release_lock (
+	acpi_handle	handle,
+	unsigned long	flags)
+{
+	spin_unlock_irqrestore((spinlock_t *)handle, flags);
+}
+
+
+#ifndef ACPI_USE_LOCAL_CACHE
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_os_create_cache
+ *
+ * PARAMETERS:  CacheName       - Ascii name for the cache
+ *              ObjectSize      - Size of each cached object
+ *              MaxDepth        - Maximum depth of the cache (in objects)
+ *              ReturnCache     - Where the new cache object is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a cache object
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_os_create_cache (
+    char                    *name,
+    u16                  size,
+    u16                  depth,
+    acpi_cache_t 	    **cache)
+{
+	*cache = kmem_cache_create (name, size, 0, 0, NULL, NULL);
+	return AE_OK;
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_os_purge_cache
+ *
+ * PARAMETERS:  Cache           - Handle to cache object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Free all objects within the requested cache.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_os_purge_cache (
+    acpi_cache_t        *cache)
+{
+    (void) kmem_cache_shrink(cache);
+    return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_os_delete_cache
+ *
+ * PARAMETERS:  Cache           - Handle to cache object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Free all objects within the requested cache and delete the
+ *              cache object.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_os_delete_cache (
+    acpi_cache_t *cache)
+{
+    (void)kmem_cache_destroy(cache);
+    return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_os_release_object
+ *
+ * PARAMETERS:  Cache       - Handle to cache object
+ *              Object      - The object to be released
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Release an object to the specified cache.  If cache is full,
+ *              the object is deleted.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_os_release_object (
+    acpi_cache_t *cache,
+    void *object)
+{
+    kmem_cache_free(cache, object);
+    return (AE_OK);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_os_acquire_object
+ *
+ * PARAMETERS:  Cache           - Handle to cache object
+ *              ReturnObject    - Where the object is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Get an object from the specified cache.  If cache is empty,
+ *              the object is allocated.
+ *
+ ******************************************************************************/
+
+void *
+acpi_os_acquire_object (
+    acpi_cache_t *cache)
+{
+    void *object = kmem_cache_alloc(cache, GFP_KERNEL);
+    WARN_ON(!object);
+    return object;
+}
+
+#endif
+
diff --git a/drivers/acpi/parser/Makefile b/drivers/acpi/parser/Makefile
index bbdd286c660..db24ee09cf1 100644
--- a/drivers/acpi/parser/Makefile
+++ b/drivers/acpi/parser/Makefile
@@ -2,7 +2,7 @@
 # Makefile for all Linux ACPI interpreter subdirectories
 #
 
-obj-y := psargs.o    psparse.o  pstree.o   pswalk.o  \
+obj-y := psargs.o    psparse.o  psloop.o pstree.o   pswalk.o  \
 	 psopcode.o  psscope.o  psutils.o  psxface.o
 
 EXTRA_CFLAGS += $(ACPI_CFLAGS)
diff --git a/drivers/acpi/parser/psloop.c b/drivers/acpi/parser/psloop.c
new file mode 100644
index 00000000000..551d54bdbec
--- /dev/null
+++ b/drivers/acpi/parser/psloop.c
@@ -0,0 +1,781 @@
+/******************************************************************************
+ *
+ * Module Name: psloop - Main AML parse loop
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2005, R. Byron Moore
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+
+/*
+ * Parse the AML and build an operation tree as most interpreters,
+ * like Perl, do.  Parsing is done by hand rather than with a YACC
+ * generated parser to tightly constrain stack and dynamic memory
+ * usage.  At the same time, parsing is kept flexible and the code
+ * fairly compact by parsing based on a list of AML opcode
+ * templates in aml_op_info[]
+ */
+
+#include <acpi/acpi.h>
+#include <acpi/acparser.h>
+#include <acpi/acdispat.h>
+#include <acpi/amlcode.h>
+
+#define _COMPONENT          ACPI_PARSER
+	 ACPI_MODULE_NAME    ("psloop")
+
+static u32                          acpi_gbl_depth = 0;
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ps_parse_loop
+ *
+ * PARAMETERS:  walk_state          - Current state
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Parse AML (pointed to by the current parser state) and return
+ *              a tree of ops.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ps_parse_loop (
+	struct acpi_walk_state          *walk_state)
+{
+	acpi_status                     status = AE_OK;
+	acpi_status                     status2;
+	union acpi_parse_object         *op = NULL;     /* current op */
+	union acpi_parse_object         *arg = NULL;
+	union acpi_parse_object         *pre_op = NULL;
+	struct acpi_parse_state         *parser_state;
+	u8                              *aml_op_start = NULL;
+
+
+	ACPI_FUNCTION_TRACE_PTR ("ps_parse_loop", walk_state);
+
+	if (walk_state->descending_callback == NULL) {
+		return_ACPI_STATUS (AE_BAD_PARAMETER);
+	}
+
+	parser_state = &walk_state->parser_state;
+	walk_state->arg_types = 0;
+
+#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
+
+	if (walk_state->walk_type & ACPI_WALK_METHOD_RESTART) {
+		/* We are restarting a preempted control method */
+
+		if (acpi_ps_has_completed_scope (parser_state)) {
+			/*
+			 * We must check if a predicate to an IF or WHILE statement
+			 * was just completed
+			 */
+			if ((parser_state->scope->parse_scope.op) &&
+			   ((parser_state->scope->parse_scope.op->common.aml_opcode == AML_IF_OP) ||
+				(parser_state->scope->parse_scope.op->common.aml_opcode == AML_WHILE_OP)) &&
+				(walk_state->control_state) &&
+				(walk_state->control_state->common.state ==
+					ACPI_CONTROL_PREDICATE_EXECUTING)) {
+				/*
+				 * A predicate was just completed, get the value of the
+				 * predicate and branch based on that value
+				 */
+				walk_state->op = NULL;
+				status = acpi_ds_get_predicate_value (walk_state, ACPI_TO_POINTER (TRUE));
+				if (ACPI_FAILURE (status) &&
+					((status & AE_CODE_MASK) != AE_CODE_CONTROL)) {
+					if (status == AE_AML_NO_RETURN_VALUE) {
+						ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+							"Invoked method did not return a value, %s\n",
+							acpi_format_exception (status)));
+
+					}
+					ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+						"get_predicate Failed, %s\n",
+						acpi_format_exception (status)));
+					return_ACPI_STATUS (status);
+				}
+
+				status = acpi_ps_next_parse_state (walk_state, op, status);
+			}
+
+			acpi_ps_pop_scope (parser_state, &op,
+				&walk_state->arg_types, &walk_state->arg_count);
+			ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped scope, Op=%p\n", op));
+		}
+		else if (walk_state->prev_op) {
+			/* We were in the middle of an op */
+
+			op = walk_state->prev_op;
+			walk_state->arg_types = walk_state->prev_arg_types;
+		}
+	}
+#endif
+
+	/* Iterative parsing loop, while there is more AML to process: */
+
+	while ((parser_state->aml < parser_state->aml_end) || (op)) {
+		aml_op_start = parser_state->aml;
+		if (!op) {
+			/* Get the next opcode from the AML stream */
+
+			walk_state->aml_offset = (u32) ACPI_PTR_DIFF (parser_state->aml,
+					  parser_state->aml_start);
+			walk_state->opcode   = acpi_ps_peek_opcode (parser_state);
+
+			/*
+			 * First cut to determine what we have found:
+			 * 1) A valid AML opcode
+			 * 2) A name string
+			 * 3) An unknown/invalid opcode
+			 */
+			walk_state->op_info = acpi_ps_get_opcode_info (walk_state->opcode);
+			switch (walk_state->op_info->class) {
+			case AML_CLASS_ASCII:
+			case AML_CLASS_PREFIX:
+				/*
+				 * Starts with a valid prefix or ASCII char, this is a name
+				 * string.  Convert the bare name string to a namepath.
+				 */
+				walk_state->opcode = AML_INT_NAMEPATH_OP;
+				walk_state->arg_types = ARGP_NAMESTRING;
+				break;
+
+			case AML_CLASS_UNKNOWN:
+
+				/* The opcode is unrecognized.  Just skip unknown opcodes */
+
+				ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+					"Found unknown opcode %X at AML address %p offset %X, ignoring\n",
+					walk_state->opcode, parser_state->aml, walk_state->aml_offset));
+
+				ACPI_DUMP_BUFFER (parser_state->aml, 128);
+
+				/* Assume one-byte bad opcode */
+
+				parser_state->aml++;
+				continue;
+
+			default:
+
+				/* Found opcode info, this is a normal opcode */
+
+				parser_state->aml += acpi_ps_get_opcode_size (walk_state->opcode);
+				walk_state->arg_types = walk_state->op_info->parse_args;
+				break;
+			}
+
+			/* Create Op structure and append to parent's argument list */
+
+			if (walk_state->op_info->flags & AML_NAMED) {
+				/* Allocate a new pre_op if necessary */
+
+				if (!pre_op) {
+					pre_op = acpi_ps_alloc_op (walk_state->opcode);
+					if (!pre_op) {
+						status = AE_NO_MEMORY;
+						goto close_this_op;
+					}
+				}
+
+				pre_op->common.value.arg = NULL;
+				pre_op->common.aml_opcode = walk_state->opcode;
+
+				/*
+				 * Get and append arguments until we find the node that contains
+				 * the name (the type ARGP_NAME).
+				 */
+				while (GET_CURRENT_ARG_TYPE (walk_state->arg_types) &&
+					  (GET_CURRENT_ARG_TYPE (walk_state->arg_types) != ARGP_NAME)) {
+					status = acpi_ps_get_next_arg (walk_state, parser_state,
+							 GET_CURRENT_ARG_TYPE (walk_state->arg_types), &arg);
+					if (ACPI_FAILURE (status)) {
+						goto close_this_op;
+					}
+
+					acpi_ps_append_arg (pre_op, arg);
+					INCREMENT_ARG_LIST (walk_state->arg_types);
+				}
+
+				/*
+				 * Make sure that we found a NAME and didn't run out of
+				 * arguments
+				 */
+				if (!GET_CURRENT_ARG_TYPE (walk_state->arg_types)) {
+					status = AE_AML_NO_OPERAND;
+					goto close_this_op;
+				}
+
+				/* We know that this arg is a name, move to next arg */
+
+				INCREMENT_ARG_LIST (walk_state->arg_types);
+
+				/*
+				 * Find the object.  This will either insert the object into
+				 * the namespace or simply look it up
+				 */
+				walk_state->op = NULL;
+
+				status = walk_state->descending_callback (walk_state, &op);
+				if (ACPI_FAILURE (status)) {
+					ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+						"During name lookup/catalog, %s\n",
+						acpi_format_exception (status)));
+					goto close_this_op;
+				}
+
+				if (!op) {
+					continue;
+				}
+
+				status = acpi_ps_next_parse_state (walk_state, op, status);
+				if (status == AE_CTRL_PENDING) {
+					status = AE_OK;
+					goto close_this_op;
+				}
+
+				if (ACPI_FAILURE (status)) {
+					goto close_this_op;
+				}
+
+				acpi_ps_append_arg (op, pre_op->common.value.arg);
+				acpi_gbl_depth++;
+
+				if (op->common.aml_opcode == AML_REGION_OP) {
+					/*
+					 * Defer final parsing of an operation_region body,
+					 * because we don't have enough info in the first pass
+					 * to parse it correctly (i.e., there may be method
+					 * calls within the term_arg elements of the body.)
+					 *
+					 * However, we must continue parsing because
+					 * the opregion is not a standalone package --
+					 * we don't know where the end is at this point.
+					 *
+					 * (Length is unknown until parse of the body complete)
+					 */
+					op->named.data    = aml_op_start;
+					op->named.length  = 0;
+				}
+			}
+			else {
+				/* Not a named opcode, just allocate Op and append to parent */
+
+				walk_state->op_info = acpi_ps_get_opcode_info (walk_state->opcode);
+				op = acpi_ps_alloc_op (walk_state->opcode);
+				if (!op) {
+					status = AE_NO_MEMORY;
+					goto close_this_op;
+				}
+
+				if (walk_state->op_info->flags & AML_CREATE) {
+					/*
+					 * Backup to beginning of create_xXXfield declaration
+					 * body_length is unknown until we parse the body
+					 */
+					op->named.data    = aml_op_start;
+					op->named.length  = 0;
+				}
+
+				acpi_ps_append_arg (acpi_ps_get_parent_scope (parser_state), op);
+
+				if ((walk_state->descending_callback != NULL)) {
+					/*
+					 * Find the object. This will either insert the object into
+					 * the namespace or simply look it up
+					 */
+					walk_state->op = op;
+
+					status = walk_state->descending_callback (walk_state, &op);
+					status = acpi_ps_next_parse_state (walk_state, op, status);
+					if (status == AE_CTRL_PENDING) {
+						status = AE_OK;
+						goto close_this_op;
+					}
+
+					if (ACPI_FAILURE (status)) {
+						goto close_this_op;
+					}
+				}
+			}
+
+			op->common.aml_offset = walk_state->aml_offset;
+
+			if (walk_state->op_info) {
+				ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
+					"Opcode %4.4X [%s] Op %p Aml %p aml_offset %5.5X\n",
+					 (u32) op->common.aml_opcode, walk_state->op_info->name,
+					 op, parser_state->aml, op->common.aml_offset));
+			}
+		}
+
+
+		/*
+		 * Start arg_count at zero because we don't know if there are
+		 * any args yet
+		 */
+		walk_state->arg_count = 0;
+
+		/* Are there any arguments that must be processed? */
+
+		if (walk_state->arg_types) {
+			/* Get arguments */
+
+			switch (op->common.aml_opcode) {
+			case AML_BYTE_OP:       /* AML_BYTEDATA_ARG */
+			case AML_WORD_OP:       /* AML_WORDDATA_ARG */
+			case AML_DWORD_OP:      /* AML_DWORDATA_ARG */
+			case AML_QWORD_OP:      /* AML_QWORDATA_ARG */
+			case AML_STRING_OP:     /* AML_ASCIICHARLIST_ARG */
+
+				/* Fill in constant or string argument directly */
+
+				acpi_ps_get_next_simple_arg (parser_state,
+					GET_CURRENT_ARG_TYPE (walk_state->arg_types), op);
+				break;
+
+			case AML_INT_NAMEPATH_OP:   /* AML_NAMESTRING_ARG */
+
+				status = acpi_ps_get_next_namepath (walk_state, parser_state, op, 1);
+				if (ACPI_FAILURE (status)) {
+					goto close_this_op;
+				}
+
+				walk_state->arg_types = 0;
+				break;
+
+			default:
+				/*
+				 * Op is not a constant or string, append each argument
+				 * to the Op
+				 */
+				while (GET_CURRENT_ARG_TYPE (walk_state->arg_types) &&
+						!walk_state->arg_count) {
+					walk_state->aml_offset = (u32)
+						ACPI_PTR_DIFF (parser_state->aml, parser_state->aml_start);
+
+					status = acpi_ps_get_next_arg (walk_state, parser_state,
+							 GET_CURRENT_ARG_TYPE (walk_state->arg_types),
+							 &arg);
+					if (ACPI_FAILURE (status)) {
+						goto close_this_op;
+					}
+
+					if (arg) {
+						arg->common.aml_offset = walk_state->aml_offset;
+						acpi_ps_append_arg (op, arg);
+					}
+					INCREMENT_ARG_LIST (walk_state->arg_types);
+				}
+
+
+				/* Special processing for certain opcodes */
+
+	/* TBD (remove): Temporary mechanism to disable this code if needed */
+
+#ifdef ACPI_ENABLE_MODULE_LEVEL_CODE
+
+			 if ((walk_state->pass_number <= ACPI_IMODE_LOAD_PASS1) &&
+				   ((walk_state->parse_flags & ACPI_PARSE_DISASSEMBLE) == 0)) {
+					/*
+					 * We want to skip If/Else/While constructs during Pass1
+					 * because we want to actually conditionally execute the
+					 * code during Pass2.
+					 *
+					 * Except for disassembly, where we always want to
+					 * walk the If/Else/While packages
+					 */
+					switch (op->common.aml_opcode) {
+					case AML_IF_OP:
+					case AML_ELSE_OP:
+					case AML_WHILE_OP:
+
+						ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
+							"Pass1: Skipping an If/Else/While body\n"));
+
+						/* Skip body of if/else/while in pass 1 */
+
+						parser_state->aml   = parser_state->pkg_end;
+						walk_state->arg_count = 0;
+						break;
+
+					default:
+						break;
+					}
+				}
+#endif
+				switch (op->common.aml_opcode) {
+				case AML_METHOD_OP:
+
+					/*
+					 * Skip parsing of control method
+					 * because we don't have enough info in the first pass
+					 * to parse it correctly.
+					 *
+					 * Save the length and address of the body
+					 */
+					op->named.data   = parser_state->aml;
+					op->named.length = (u32) (parser_state->pkg_end -
+							   parser_state->aml);
+
+					/* Skip body of method */
+
+					parser_state->aml   = parser_state->pkg_end;
+					walk_state->arg_count = 0;
+					break;
+
+				case AML_BUFFER_OP:
+				case AML_PACKAGE_OP:
+				case AML_VAR_PACKAGE_OP:
+
+					if ((op->common.parent) &&
+						(op->common.parent->common.aml_opcode == AML_NAME_OP) &&
+						(walk_state->pass_number <= ACPI_IMODE_LOAD_PASS2)) {
+						/*
+						 * Skip parsing of Buffers and Packages
+						 * because we don't have enough info in the first pass
+						 * to parse them correctly.
+						 */
+						op->named.data   = aml_op_start;
+						op->named.length = (u32) (parser_state->pkg_end -
+								   aml_op_start);
+
+						/* Skip body */
+
+						parser_state->aml   = parser_state->pkg_end;
+						walk_state->arg_count = 0;
+					}
+					break;
+
+				case AML_WHILE_OP:
+
+					if (walk_state->control_state) {
+						walk_state->control_state->control.package_end =
+							parser_state->pkg_end;
+					}
+					break;
+
+				default:
+
+					/* No action for all other opcodes */
+					break;
+				}
+				break;
+			}
+		}
+
+		/* Check for arguments that need to be processed */
+
+		if (walk_state->arg_count) {
+			/*
+			 * There are arguments (complex ones), push Op and
+			 * prepare for argument
+			 */
+			status = acpi_ps_push_scope (parser_state, op,
+					 walk_state->arg_types, walk_state->arg_count);
+			if (ACPI_FAILURE (status)) {
+				goto close_this_op;
+			}
+			op = NULL;
+			continue;
+		}
+
+		/*
+		 * All arguments have been processed -- Op is complete,
+		 * prepare for next
+		 */
+		walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
+		if (walk_state->op_info->flags & AML_NAMED) {
+			if (acpi_gbl_depth) {
+				acpi_gbl_depth--;
+			}
+
+			if (op->common.aml_opcode == AML_REGION_OP) {
+				/*
+				 * Skip parsing of control method or opregion body,
+				 * because we don't have enough info in the first pass
+				 * to parse them correctly.
+				 *
+				 * Completed parsing an op_region declaration, we now
+				 * know the length.
+				 */
+				op->named.length = (u32) (parser_state->aml - op->named.data);
+			}
+		}
+
+		if (walk_state->op_info->flags & AML_CREATE) {
+			/*
+			 * Backup to beginning of create_xXXfield declaration (1 for
+			 * Opcode)
+			 *
+			 * body_length is unknown until we parse the body
+			 */
+			op->named.length = (u32) (parser_state->aml - op->named.data);
+		}
+
+		/* This op complete, notify the dispatcher */
+
+		if (walk_state->ascending_callback != NULL) {
+			walk_state->op    = op;
+			walk_state->opcode = op->common.aml_opcode;
+
+			status = walk_state->ascending_callback (walk_state);
+			status = acpi_ps_next_parse_state (walk_state, op, status);
+			if (status == AE_CTRL_PENDING) {
+				status = AE_OK;
+				goto close_this_op;
+			}
+		}
+
+
+close_this_op:
+		/*
+		 * Finished one argument of the containing scope
+		 */
+		parser_state->scope->parse_scope.arg_count--;
+
+		/* Finished with pre_op */
+
+		if (pre_op) {
+			acpi_ps_free_op (pre_op);
+			pre_op = NULL;
+		}
+
+		/* Close this Op (will result in parse subtree deletion) */
+
+		status2 = acpi_ps_complete_this_op (walk_state, op);
+		if (ACPI_FAILURE (status2)) {
+			return_ACPI_STATUS (status2);
+		}
+		op = NULL;
+
+		switch (status) {
+		case AE_OK:
+			break;
+
+
+		case AE_CTRL_TRANSFER:
+
+			/* We are about to transfer to a called method. */
+
+			walk_state->prev_op = op;
+			walk_state->prev_arg_types = walk_state->arg_types;
+			return_ACPI_STATUS (status);
+
+
+		case AE_CTRL_END:
+
+			acpi_ps_pop_scope (parser_state, &op,
+				&walk_state->arg_types, &walk_state->arg_count);
+
+			if (op) {
+				walk_state->op    = op;
+				walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
+				walk_state->opcode = op->common.aml_opcode;
+
+				status = walk_state->ascending_callback (walk_state);
+				status = acpi_ps_next_parse_state (walk_state, op, status);
+
+				status2 = acpi_ps_complete_this_op (walk_state, op);
+				if (ACPI_FAILURE (status2)) {
+					return_ACPI_STATUS (status2);
+				}
+				op = NULL;
+			}
+			status = AE_OK;
+			break;
+
+
+		case AE_CTRL_BREAK:
+		case AE_CTRL_CONTINUE:
+
+			/* Pop off scopes until we find the While */
+
+			while (!op || (op->common.aml_opcode != AML_WHILE_OP)) {
+				acpi_ps_pop_scope (parser_state, &op,
+					&walk_state->arg_types, &walk_state->arg_count);
+			}
+
+			/* Close this iteration of the While loop */
+
+			walk_state->op    = op;
+			walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
+			walk_state->opcode = op->common.aml_opcode;
+
+			status = walk_state->ascending_callback (walk_state);
+			status = acpi_ps_next_parse_state (walk_state, op, status);
+
+			status2 = acpi_ps_complete_this_op (walk_state, op);
+			if (ACPI_FAILURE (status2)) {
+				return_ACPI_STATUS (status2);
+			}
+			op = NULL;
+
+			status = AE_OK;
+			break;
+
+
+		case AE_CTRL_TERMINATE:
+
+			status = AE_OK;
+
+			/* Clean up */
+			do {
+				if (op) {
+					status2 = acpi_ps_complete_this_op (walk_state, op);
+					if (ACPI_FAILURE (status2)) {
+						return_ACPI_STATUS (status2);
+					}
+				}
+				acpi_ps_pop_scope (parser_state, &op,
+					&walk_state->arg_types, &walk_state->arg_count);
+
+			} while (op);
+
+			return_ACPI_STATUS (status);
+
+
+		default:  /* All other non-AE_OK status */
+
+			do {
+				if (op) {
+					status2 = acpi_ps_complete_this_op (walk_state, op);
+					if (ACPI_FAILURE (status2)) {
+						return_ACPI_STATUS (status2);
+					}
+				}
+				acpi_ps_pop_scope (parser_state, &op,
+					&walk_state->arg_types, &walk_state->arg_count);
+
+			} while (op);
+
+
+			/*
+			 * TBD: Cleanup parse ops on error
+			 */
+#if 0
+			if (op == NULL) {
+				acpi_ps_pop_scope (parser_state, &op,
+					&walk_state->arg_types, &walk_state->arg_count);
+			}
+#endif
+			walk_state->prev_op = op;
+			walk_state->prev_arg_types = walk_state->arg_types;
+			return_ACPI_STATUS (status);
+		}
+
+		/* This scope complete? */
+
+		if (acpi_ps_has_completed_scope (parser_state)) {
+			acpi_ps_pop_scope (parser_state, &op,
+				&walk_state->arg_types, &walk_state->arg_count);
+			ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped scope, Op=%p\n", op));
+		}
+		else {
+			op = NULL;
+		}
+
+	} /* while parser_state->Aml */
+
+
+	/*
+	 * Complete the last Op (if not completed), and clear the scope stack.
+	 * It is easily possible to end an AML "package" with an unbounded number
+	 * of open scopes (such as when several ASL blocks are closed with
+	 * sequential closing braces).  We want to terminate each one cleanly.
+	 */
+	ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "AML package complete at Op %p\n", op));
+	do {
+		if (op) {
+			if (walk_state->ascending_callback != NULL) {
+				walk_state->op    = op;
+				walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
+				walk_state->opcode = op->common.aml_opcode;
+
+				status = walk_state->ascending_callback (walk_state);
+				status = acpi_ps_next_parse_state (walk_state, op, status);
+				if (status == AE_CTRL_PENDING) {
+					status = AE_OK;
+					goto close_this_op;
+				}
+
+				if (status == AE_CTRL_TERMINATE) {
+					status = AE_OK;
+
+					/* Clean up */
+					do {
+						if (op) {
+							status2 = acpi_ps_complete_this_op (walk_state, op);
+							if (ACPI_FAILURE (status2)) {
+								return_ACPI_STATUS (status2);
+							}
+						}
+
+						acpi_ps_pop_scope (parser_state, &op,
+							&walk_state->arg_types, &walk_state->arg_count);
+
+					} while (op);
+
+					return_ACPI_STATUS (status);
+				}
+
+				else if (ACPI_FAILURE (status)) {
+					/* First error is most important */
+
+					(void) acpi_ps_complete_this_op (walk_state, op);
+					return_ACPI_STATUS (status);
+				}
+			}
+
+			status2 = acpi_ps_complete_this_op (walk_state, op);
+			if (ACPI_FAILURE (status2)) {
+				return_ACPI_STATUS (status2);
+			}
+		}
+
+		acpi_ps_pop_scope (parser_state, &op, &walk_state->arg_types,
+			&walk_state->arg_count);
+
+	} while (op);
+
+	return_ACPI_STATUS (status);
+}
+
+
diff --git a/drivers/acpi/parser/psopcode.c b/drivers/acpi/parser/psopcode.c
index 5744673568c..6f7594a516d 100644
--- a/drivers/acpi/parser/psopcode.c
+++ b/drivers/acpi/parser/psopcode.c
@@ -311,7 +311,7 @@ const struct acpi_opcode_info     acpi_gbl_aml_op_info[AML_NUM_OPCODES] =
 /* ACPI 2.0 opcodes */
 
 /* 6E */ ACPI_OP ("QwordConst",         ARGP_QWORD_OP,             ARGI_QWORD_OP,              ACPI_TYPE_INTEGER,           AML_CLASS_ARGUMENT,        AML_TYPE_LITERAL,         AML_CONSTANT),
-/* 6F */ ACPI_OP ("Package /*Var*/",    ARGP_VAR_PACKAGE_OP,       ARGI_VAR_PACKAGE_OP,        ACPI_TYPE_PACKAGE,           AML_CLASS_CREATE,          AML_TYPE_CREATE_OBJECT,   AML_HAS_ARGS | AML_DEFER),
+/* 6F */ ACPI_OP ("Package", /* Var */  ARGP_VAR_PACKAGE_OP,       ARGI_VAR_PACKAGE_OP,        ACPI_TYPE_PACKAGE,           AML_CLASS_CREATE,          AML_TYPE_CREATE_OBJECT,   AML_HAS_ARGS | AML_DEFER),
 /* 70 */ ACPI_OP ("ConcatenateResTemplate", ARGP_CONCAT_RES_OP,    ARGI_CONCAT_RES_OP,         ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_1T_1R,   AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT),
 /* 71 */ ACPI_OP ("Mod",                ARGP_MOD_OP,               ARGI_MOD_OP,                ACPI_TYPE_ANY,               AML_CLASS_EXECUTE,         AML_TYPE_EXEC_2A_1T_1R,   AML_FLAGS_EXEC_2A_1T_1R | AML_CONSTANT),
 /* 72 */ ACPI_OP ("CreateQWordField",   ARGP_CREATE_QWORD_FIELD_OP,ARGI_CREATE_QWORD_FIELD_OP, ACPI_TYPE_BUFFER_FIELD,      AML_CLASS_CREATE,          AML_TYPE_CREATE_FIELD,    AML_HAS_ARGS | AML_NSOBJECT | AML_NSNODE | AML_DEFER | AML_CREATE),
@@ -428,33 +428,23 @@ acpi_ps_get_opcode_info (
 	/*
 	 * Detect normal 8-bit opcode or extended 16-bit opcode
 	 */
-	switch ((u8) (opcode >> 8)) {
-	case 0:
-
+	if (!(opcode & 0xFF00)) {
 		/* Simple (8-bit) opcode: 0-255, can't index beyond table  */
 
 		return (&acpi_gbl_aml_op_info [acpi_gbl_short_op_index [(u8) opcode]]);
+	}
 
-	case AML_EXTOP:
-
-		/* Extended (16-bit, prefix+opcode) opcode */
-
-		if (((u8) opcode) <= MAX_EXTENDED_OPCODE) {
-			return (&acpi_gbl_aml_op_info [acpi_gbl_long_op_index [(u8) opcode]]);
-		}
-
-		/* Else fall through to error case below */
-		/*lint -fallthrough */
-
-	default:
+	if (((opcode & 0xFF00) == AML_EXTENDED_OPCODE) &&
+		(((u8) opcode) <= MAX_EXTENDED_OPCODE)) {
+		/* Valid extended (16-bit) opcode */
 
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-			"Unknown AML opcode [%4.4X]\n", opcode));
-		break;
+		return (&acpi_gbl_aml_op_info [acpi_gbl_long_op_index [(u8) opcode]]);
 	}
 
+	/* Unknown AML opcode */
 
-	/* Default is "unknown opcode" */
+	ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+		"Unknown AML opcode [%4.4X]\n", opcode));
 
 	return (&acpi_gbl_aml_op_info [_UNK]);
 }
diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c
index bbfdc1a58c2..16b84a3d043 100644
--- a/drivers/acpi/parser/psparse.c
+++ b/drivers/acpi/parser/psparse.c
@@ -62,26 +62,6 @@
 	 ACPI_MODULE_NAME    ("psparse")
 
 
-static u32                          acpi_gbl_depth = 0;
-
-/* Local prototypes */
-
-static void
-acpi_ps_complete_this_op (
-	struct acpi_walk_state          *walk_state,
-	union acpi_parse_object         *op);
-
-static acpi_status
-acpi_ps_next_parse_state (
-	struct acpi_walk_state          *walk_state,
-	union acpi_parse_object         *op,
-	acpi_status                     callback_status);
-
-static acpi_status
-acpi_ps_parse_loop (
-	struct acpi_walk_state          *walk_state);
-
-
 /*******************************************************************************
  *
  * FUNCTION:    acpi_ps_get_opcode_size
@@ -134,8 +114,8 @@ acpi_ps_peek_opcode (
 	aml = parser_state->aml;
 	opcode = (u16) ACPI_GET8 (aml);
 
-	if (opcode == AML_EXTOP) {
-		/* Extended opcode */
+	if (opcode == AML_EXTENDED_OP_PREFIX) {
+		/* Extended opcode, get the second opcode byte */
 
 		aml++;
 		opcode = (u16) ((opcode << 8) | ACPI_GET8 (aml));
@@ -152,13 +132,13 @@ acpi_ps_peek_opcode (
  * PARAMETERS:  walk_state      - Current State
  *              Op              - Op to complete
  *
- * RETURN:      None.
+ * RETURN:      Status
  *
  * DESCRIPTION: Perform any cleanup at the completion of an Op.
  *
  ******************************************************************************/
 
-static void
+acpi_status
 acpi_ps_complete_this_op (
 	struct acpi_walk_state          *walk_state,
 	union acpi_parse_object         *op)
@@ -175,19 +155,26 @@ acpi_ps_complete_this_op (
 	/* Check for null Op, can happen if AML code is corrupt */
 
 	if (!op) {
-		return_VOID;
+		return_ACPI_STATUS (AE_OK);  /* OK for now */
 	}
 
 	/* Delete this op and the subtree below it if asked to */
 
 	if (((walk_state->parse_flags & ACPI_PARSE_TREE_MASK) != ACPI_PARSE_DELETE_TREE) ||
 		 (walk_state->op_info->class == AML_CLASS_ARGUMENT)) {
-		return_VOID;
+		return_ACPI_STATUS (AE_OK);
 	}
 
 	/* Make sure that we only delete this subtree */
 
 	if (op->common.parent) {
+		prev = op->common.parent->common.value.arg;
+		if (!prev) {
+			/* Nothing more to do */
+
+			goto cleanup;
+		}
+
 		/*
 		 * Check if we need to replace the operator and its subtree
 		 * with a return value op (placeholder op)
@@ -206,7 +193,7 @@ acpi_ps_complete_this_op (
 			 */
 			replacement_op = acpi_ps_alloc_op (AML_INT_RETURN_VALUE_OP);
 			if (!replacement_op) {
-				goto cleanup;
+				goto allocate_error;
 			}
 			break;
 
@@ -223,18 +210,17 @@ acpi_ps_complete_this_op (
 				(op->common.parent->common.aml_opcode == AML_VAR_PACKAGE_OP)) {
 				replacement_op = acpi_ps_alloc_op (AML_INT_RETURN_VALUE_OP);
 				if (!replacement_op) {
-					goto cleanup;
+					goto allocate_error;
 				}
 			}
-
-			if ((op->common.parent->common.aml_opcode == AML_NAME_OP) &&
-				(walk_state->descending_callback != acpi_ds_exec_begin_op)) {
+			else if ((op->common.parent->common.aml_opcode == AML_NAME_OP) &&
+					 (walk_state->pass_number <= ACPI_IMODE_LOAD_PASS2)) {
 				if ((op->common.aml_opcode == AML_BUFFER_OP) ||
 					(op->common.aml_opcode == AML_PACKAGE_OP) ||
 					(op->common.aml_opcode == AML_VAR_PACKAGE_OP)) {
 					replacement_op = acpi_ps_alloc_op (op->common.aml_opcode);
 					if (!replacement_op) {
-						goto cleanup;
+						goto allocate_error;
 					}
 
 					replacement_op->named.data = op->named.data;
@@ -244,15 +230,15 @@ acpi_ps_complete_this_op (
 			break;
 
 		default:
+
 			replacement_op = acpi_ps_alloc_op (AML_INT_RETURN_VALUE_OP);
 			if (!replacement_op) {
-				goto cleanup;
+				goto allocate_error;
 			}
 		}
 
 		/* We must unlink this op from the parent tree */
 
-		prev = op->common.parent->common.value.arg;
 		if (prev == op) {
 			/* This op is the first in the list */
 
@@ -298,7 +284,15 @@ cleanup:
 	/* Now we can actually delete the subtree rooted at Op */
 
 	acpi_ps_delete_parse_tree (op);
-	return_VOID;
+	return_ACPI_STATUS (AE_OK);
+
+
+allocate_error:
+
+	/* Always delete the subtree, even on error */
+
+	acpi_ps_delete_parse_tree (op);
+	return_ACPI_STATUS (AE_NO_MEMORY);
 }
 
 
@@ -317,7 +311,7 @@ cleanup:
  *
  ******************************************************************************/
 
-static acpi_status
+acpi_status
 acpi_ps_next_parse_state (
 	struct acpi_walk_state          *walk_state,
 	union acpi_parse_object         *op,
@@ -427,663 +421,6 @@ acpi_ps_next_parse_state (
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ps_parse_loop
- *
- * PARAMETERS:  walk_state          - Current state
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Parse AML (pointed to by the current parser state) and return
- *              a tree of ops.
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ps_parse_loop (
-	struct acpi_walk_state          *walk_state)
-{
-	acpi_status                     status = AE_OK;
-	union acpi_parse_object         *op = NULL;     /* current op */
-	union acpi_parse_object         *arg = NULL;
-	union acpi_parse_object         *pre_op = NULL;
-	struct acpi_parse_state         *parser_state;
-	u8                              *aml_op_start = NULL;
-
-
-	ACPI_FUNCTION_TRACE_PTR ("ps_parse_loop", walk_state);
-
-	if (walk_state->descending_callback == NULL) {
-		return_ACPI_STATUS (AE_BAD_PARAMETER);
-	}
-
-	parser_state = &walk_state->parser_state;
-	walk_state->arg_types = 0;
-
-#if (!defined (ACPI_NO_METHOD_EXECUTION) && !defined (ACPI_CONSTANT_EVAL_ONLY))
-
-	if (walk_state->walk_type & ACPI_WALK_METHOD_RESTART) {
-		/* We are restarting a preempted control method */
-
-		if (acpi_ps_has_completed_scope (parser_state)) {
-			/*
-			 * We must check if a predicate to an IF or WHILE statement
-			 * was just completed
-			 */
-			if ((parser_state->scope->parse_scope.op) &&
-			   ((parser_state->scope->parse_scope.op->common.aml_opcode == AML_IF_OP) ||
-				(parser_state->scope->parse_scope.op->common.aml_opcode == AML_WHILE_OP)) &&
-				(walk_state->control_state) &&
-				(walk_state->control_state->common.state ==
-					ACPI_CONTROL_PREDICATE_EXECUTING)) {
-				/*
-				 * A predicate was just completed, get the value of the
-				 * predicate and branch based on that value
-				 */
-				walk_state->op = NULL;
-				status = acpi_ds_get_predicate_value (walk_state, ACPI_TO_POINTER (TRUE));
-				if (ACPI_FAILURE (status) &&
-					((status & AE_CODE_MASK) != AE_CODE_CONTROL)) {
-					if (status == AE_AML_NO_RETURN_VALUE) {
-						ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-							"Invoked method did not return a value, %s\n",
-							acpi_format_exception (status)));
-
-					}
-					ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-						"get_predicate Failed, %s\n",
-						acpi_format_exception (status)));
-					return_ACPI_STATUS (status);
-				}
-
-				status = acpi_ps_next_parse_state (walk_state, op, status);
-			}
-
-			acpi_ps_pop_scope (parser_state, &op,
-				&walk_state->arg_types, &walk_state->arg_count);
-			ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped scope, Op=%p\n", op));
-		}
-		else if (walk_state->prev_op) {
-			/* We were in the middle of an op */
-
-			op = walk_state->prev_op;
-			walk_state->arg_types = walk_state->prev_arg_types;
-		}
-	}
-#endif
-
-	/* Iterative parsing loop, while there is more AML to process: */
-
-	while ((parser_state->aml < parser_state->aml_end) || (op)) {
-		aml_op_start = parser_state->aml;
-		if (!op) {
-			/* Get the next opcode from the AML stream */
-
-			walk_state->aml_offset = (u32) ACPI_PTR_DIFF (parser_state->aml,
-					  parser_state->aml_start);
-			walk_state->opcode   = acpi_ps_peek_opcode (parser_state);
-
-			/*
-			 * First cut to determine what we have found:
-			 * 1) A valid AML opcode
-			 * 2) A name string
-			 * 3) An unknown/invalid opcode
-			 */
-			walk_state->op_info = acpi_ps_get_opcode_info (walk_state->opcode);
-			switch (walk_state->op_info->class) {
-			case AML_CLASS_ASCII:
-			case AML_CLASS_PREFIX:
-				/*
-				 * Starts with a valid prefix or ASCII char, this is a name
-				 * string.  Convert the bare name string to a namepath.
-				 */
-				walk_state->opcode = AML_INT_NAMEPATH_OP;
-				walk_state->arg_types = ARGP_NAMESTRING;
-				break;
-
-			case AML_CLASS_UNKNOWN:
-
-				/* The opcode is unrecognized.  Just skip unknown opcodes */
-
-				ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-					"Found unknown opcode %X at AML address %p offset %X, ignoring\n",
-					walk_state->opcode, parser_state->aml, walk_state->aml_offset));
-
-				ACPI_DUMP_BUFFER (parser_state->aml, 128);
-
-				/* Assume one-byte bad opcode */
-
-				parser_state->aml++;
-				continue;
-
-			default:
-
-				/* Found opcode info, this is a normal opcode */
-
-				parser_state->aml += acpi_ps_get_opcode_size (walk_state->opcode);
-				walk_state->arg_types = walk_state->op_info->parse_args;
-				break;
-			}
-
-			/* Create Op structure and append to parent's argument list */
-
-			if (walk_state->op_info->flags & AML_NAMED) {
-				/* Allocate a new pre_op if necessary */
-
-				if (!pre_op) {
-					pre_op = acpi_ps_alloc_op (walk_state->opcode);
-					if (!pre_op) {
-						status = AE_NO_MEMORY;
-						goto close_this_op;
-					}
-				}
-
-				pre_op->common.value.arg = NULL;
-				pre_op->common.aml_opcode = walk_state->opcode;
-
-				/*
-				 * Get and append arguments until we find the node that contains
-				 * the name (the type ARGP_NAME).
-				 */
-				while (GET_CURRENT_ARG_TYPE (walk_state->arg_types) &&
-					  (GET_CURRENT_ARG_TYPE (walk_state->arg_types) != ARGP_NAME)) {
-					status = acpi_ps_get_next_arg (walk_state, parser_state,
-							 GET_CURRENT_ARG_TYPE (walk_state->arg_types), &arg);
-					if (ACPI_FAILURE (status)) {
-						goto close_this_op;
-					}
-
-					acpi_ps_append_arg (pre_op, arg);
-					INCREMENT_ARG_LIST (walk_state->arg_types);
-				}
-
-				/*
-				 * Make sure that we found a NAME and didn't run out of
-				 * arguments
-				 */
-				if (!GET_CURRENT_ARG_TYPE (walk_state->arg_types)) {
-					status = AE_AML_NO_OPERAND;
-					goto close_this_op;
-				}
-
-				/* We know that this arg is a name, move to next arg */
-
-				INCREMENT_ARG_LIST (walk_state->arg_types);
-
-				/*
-				 * Find the object.  This will either insert the object into
-				 * the namespace or simply look it up
-				 */
-				walk_state->op = NULL;
-
-				status = walk_state->descending_callback (walk_state, &op);
-				if (ACPI_FAILURE (status)) {
-					ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-						"During name lookup/catalog, %s\n",
-						acpi_format_exception (status)));
-					goto close_this_op;
-				}
-
-				if (!op) {
-					continue;
-				}
-
-				status = acpi_ps_next_parse_state (walk_state, op, status);
-				if (status == AE_CTRL_PENDING) {
-					status = AE_OK;
-					goto close_this_op;
-				}
-
-				if (ACPI_FAILURE (status)) {
-					goto close_this_op;
-				}
-
-				acpi_ps_append_arg (op, pre_op->common.value.arg);
-				acpi_gbl_depth++;
-
-				if (op->common.aml_opcode == AML_REGION_OP) {
-					/*
-					 * Defer final parsing of an operation_region body,
-					 * because we don't have enough info in the first pass
-					 * to parse it correctly (i.e., there may be method
-					 * calls within the term_arg elements of the body.)
-					 *
-					 * However, we must continue parsing because
-					 * the opregion is not a standalone package --
-					 * we don't know where the end is at this point.
-					 *
-					 * (Length is unknown until parse of the body complete)
-					 */
-					op->named.data    = aml_op_start;
-					op->named.length  = 0;
-				}
-			}
-			else {
-				/* Not a named opcode, just allocate Op and append to parent */
-
-				walk_state->op_info = acpi_ps_get_opcode_info (walk_state->opcode);
-				op = acpi_ps_alloc_op (walk_state->opcode);
-				if (!op) {
-					status = AE_NO_MEMORY;
-					goto close_this_op;
-				}
-
-				if (walk_state->op_info->flags & AML_CREATE) {
-					/*
-					 * Backup to beginning of create_xXXfield declaration
-					 * body_length is unknown until we parse the body
-					 */
-					op->named.data    = aml_op_start;
-					op->named.length  = 0;
-				}
-
-				acpi_ps_append_arg (acpi_ps_get_parent_scope (parser_state), op);
-
-				if ((walk_state->descending_callback != NULL)) {
-					/*
-					 * Find the object. This will either insert the object into
-					 * the namespace or simply look it up
-					 */
-					walk_state->op = op;
-
-					status = walk_state->descending_callback (walk_state, &op);
-					status = acpi_ps_next_parse_state (walk_state, op, status);
-					if (status == AE_CTRL_PENDING) {
-						status = AE_OK;
-						goto close_this_op;
-					}
-
-					if (ACPI_FAILURE (status)) {
-						goto close_this_op;
-					}
-				}
-			}
-
-			op->common.aml_offset = walk_state->aml_offset;
-
-			if (walk_state->op_info) {
-				ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
-					"Opcode %4.4X [%s] Op %p Aml %p aml_offset %5.5X\n",
-					 (u32) op->common.aml_opcode, walk_state->op_info->name,
-					 op, parser_state->aml, op->common.aml_offset));
-			}
-		}
-
-
-		/*
-		 * Start arg_count at zero because we don't know if there are
-		 * any args yet
-		 */
-		walk_state->arg_count = 0;
-
-		/* Are there any arguments that must be processed? */
-
-		if (walk_state->arg_types) {
-			/* Get arguments */
-
-			switch (op->common.aml_opcode) {
-			case AML_BYTE_OP:       /* AML_BYTEDATA_ARG */
-			case AML_WORD_OP:       /* AML_WORDDATA_ARG */
-			case AML_DWORD_OP:      /* AML_DWORDATA_ARG */
-			case AML_QWORD_OP:      /* AML_QWORDATA_ARG */
-			case AML_STRING_OP:     /* AML_ASCIICHARLIST_ARG */
-
-				/* Fill in constant or string argument directly */
-
-				acpi_ps_get_next_simple_arg (parser_state,
-					GET_CURRENT_ARG_TYPE (walk_state->arg_types), op);
-				break;
-
-			case AML_INT_NAMEPATH_OP:   /* AML_NAMESTRING_ARG */
-
-				status = acpi_ps_get_next_namepath (walk_state, parser_state, op, 1);
-				if (ACPI_FAILURE (status)) {
-					goto close_this_op;
-				}
-
-				walk_state->arg_types = 0;
-				break;
-
-			default:
-
-				/*
-				 * Op is not a constant or string, append each argument
-				 * to the Op
-				 */
-				while (GET_CURRENT_ARG_TYPE (walk_state->arg_types) &&
-						!walk_state->arg_count) {
-					walk_state->aml_offset = (u32)
-						ACPI_PTR_DIFF (parser_state->aml, parser_state->aml_start);
-
-					status = acpi_ps_get_next_arg (walk_state, parser_state,
-							 GET_CURRENT_ARG_TYPE (walk_state->arg_types),
-							 &arg);
-					if (ACPI_FAILURE (status)) {
-						goto close_this_op;
-					}
-
-					if (arg) {
-						arg->common.aml_offset = walk_state->aml_offset;
-						acpi_ps_append_arg (op, arg);
-					}
-					INCREMENT_ARG_LIST (walk_state->arg_types);
-				}
-
-				/* Special processing for certain opcodes */
-
-				switch (op->common.aml_opcode) {
-				case AML_METHOD_OP:
-
-					/*
-					 * Skip parsing of control method
-					 * because we don't have enough info in the first pass
-					 * to parse it correctly.
-					 *
-					 * Save the length and address of the body
-					 */
-					op->named.data   = parser_state->aml;
-					op->named.length = (u32) (parser_state->pkg_end -
-							   parser_state->aml);
-
-					/* Skip body of method */
-
-					parser_state->aml   = parser_state->pkg_end;
-					walk_state->arg_count = 0;
-					break;
-
-				case AML_BUFFER_OP:
-				case AML_PACKAGE_OP:
-				case AML_VAR_PACKAGE_OP:
-
-					if ((op->common.parent) &&
-						(op->common.parent->common.aml_opcode == AML_NAME_OP) &&
-						(walk_state->descending_callback != acpi_ds_exec_begin_op)) {
-						/*
-						 * Skip parsing of Buffers and Packages
-						 * because we don't have enough info in the first pass
-						 * to parse them correctly.
-						 */
-						op->named.data   = aml_op_start;
-						op->named.length = (u32) (parser_state->pkg_end -
-								   aml_op_start);
-
-						/* Skip body */
-
-						parser_state->aml   = parser_state->pkg_end;
-						walk_state->arg_count = 0;
-					}
-					break;
-
-				case AML_WHILE_OP:
-
-					if (walk_state->control_state) {
-						walk_state->control_state->control.package_end =
-							parser_state->pkg_end;
-					}
-					break;
-
-				default:
-
-					/* No action for all other opcodes */
-					break;
-				}
-				break;
-			}
-		}
-
-		/* Check for arguments that need to be processed */
-
-		if (walk_state->arg_count) {
-			/*
-			 * There are arguments (complex ones), push Op and
-			 * prepare for argument
-			 */
-			status = acpi_ps_push_scope (parser_state, op,
-					 walk_state->arg_types, walk_state->arg_count);
-			if (ACPI_FAILURE (status)) {
-				goto close_this_op;
-			}
-			op = NULL;
-			continue;
-		}
-
-		/*
-		 * All arguments have been processed -- Op is complete,
-		 * prepare for next
-		 */
-		walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
-		if (walk_state->op_info->flags & AML_NAMED) {
-			if (acpi_gbl_depth) {
-				acpi_gbl_depth--;
-			}
-
-			if (op->common.aml_opcode == AML_REGION_OP) {
-				/*
-				 * Skip parsing of control method or opregion body,
-				 * because we don't have enough info in the first pass
-				 * to parse them correctly.
-				 *
-				 * Completed parsing an op_region declaration, we now
-				 * know the length.
-				 */
-				op->named.length = (u32) (parser_state->aml - op->named.data);
-			}
-		}
-
-		if (walk_state->op_info->flags & AML_CREATE) {
-			/*
-			 * Backup to beginning of create_xXXfield declaration (1 for
-			 * Opcode)
-			 *
-			 * body_length is unknown until we parse the body
-			 */
-			op->named.length = (u32) (parser_state->aml - op->named.data);
-		}
-
-		/* This op complete, notify the dispatcher */
-
-		if (walk_state->ascending_callback != NULL) {
-			walk_state->op    = op;
-			walk_state->opcode = op->common.aml_opcode;
-
-			status = walk_state->ascending_callback (walk_state);
-			status = acpi_ps_next_parse_state (walk_state, op, status);
-			if (status == AE_CTRL_PENDING) {
-				status = AE_OK;
-				goto close_this_op;
-			}
-		}
-
-
-close_this_op:
-		/*
-		 * Finished one argument of the containing scope
-		 */
-		parser_state->scope->parse_scope.arg_count--;
-
-		/* Close this Op (will result in parse subtree deletion) */
-
-		acpi_ps_complete_this_op (walk_state, op);
-		op = NULL;
-		if (pre_op) {
-			acpi_ps_free_op (pre_op);
-			pre_op = NULL;
-		}
-
-		switch (status) {
-		case AE_OK:
-			break;
-
-
-		case AE_CTRL_TRANSFER:
-
-			/* We are about to transfer to a called method. */
-
-			walk_state->prev_op = op;
-			walk_state->prev_arg_types = walk_state->arg_types;
-			return_ACPI_STATUS (status);
-
-
-		case AE_CTRL_END:
-
-			acpi_ps_pop_scope (parser_state, &op,
-				&walk_state->arg_types, &walk_state->arg_count);
-
-			if (op) {
-				walk_state->op    = op;
-				walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
-				walk_state->opcode = op->common.aml_opcode;
-
-				status = walk_state->ascending_callback (walk_state);
-				status = acpi_ps_next_parse_state (walk_state, op, status);
-
-				acpi_ps_complete_this_op (walk_state, op);
-				op = NULL;
-			}
-			status = AE_OK;
-			break;
-
-
-		case AE_CTRL_BREAK:
-		case AE_CTRL_CONTINUE:
-
-			/* Pop off scopes until we find the While */
-
-			while (!op || (op->common.aml_opcode != AML_WHILE_OP)) {
-				acpi_ps_pop_scope (parser_state, &op,
-					&walk_state->arg_types, &walk_state->arg_count);
-			}
-
-			/* Close this iteration of the While loop */
-
-			walk_state->op    = op;
-			walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
-			walk_state->opcode = op->common.aml_opcode;
-
-			status = walk_state->ascending_callback (walk_state);
-			status = acpi_ps_next_parse_state (walk_state, op, status);
-
-			acpi_ps_complete_this_op (walk_state, op);
-			op = NULL;
-
-			status = AE_OK;
-			break;
-
-
-		case AE_CTRL_TERMINATE:
-
-			status = AE_OK;
-
-			/* Clean up */
-			do {
-				if (op) {
-					acpi_ps_complete_this_op (walk_state, op);
-				}
-				acpi_ps_pop_scope (parser_state, &op,
-					&walk_state->arg_types, &walk_state->arg_count);
-
-			} while (op);
-
-			return_ACPI_STATUS (status);
-
-
-		default:  /* All other non-AE_OK status */
-
-			do {
-				if (op) {
-					acpi_ps_complete_this_op (walk_state, op);
-				}
-				acpi_ps_pop_scope (parser_state, &op,
-					&walk_state->arg_types, &walk_state->arg_count);
-
-			} while (op);
-
-
-			/*
-			 * TBD: Cleanup parse ops on error
-			 */
-#if 0
-			if (op == NULL) {
-				acpi_ps_pop_scope (parser_state, &op,
-					&walk_state->arg_types, &walk_state->arg_count);
-			}
-#endif
-			walk_state->prev_op = op;
-			walk_state->prev_arg_types = walk_state->arg_types;
-			return_ACPI_STATUS (status);
-		}
-
-		/* This scope complete? */
-
-		if (acpi_ps_has_completed_scope (parser_state)) {
-			acpi_ps_pop_scope (parser_state, &op,
-				&walk_state->arg_types, &walk_state->arg_count);
-			ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Popped scope, Op=%p\n", op));
-		}
-		else {
-			op = NULL;
-		}
-
-	} /* while parser_state->Aml */
-
-
-	/*
-	 * Complete the last Op (if not completed), and clear the scope stack.
-	 * It is easily possible to end an AML "package" with an unbounded number
-	 * of open scopes (such as when several ASL blocks are closed with
-	 * sequential closing braces).  We want to terminate each one cleanly.
-	 */
-	ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "AML package complete at Op %p\n", op));
-	do {
-		if (op) {
-			if (walk_state->ascending_callback != NULL) {
-				walk_state->op    = op;
-				walk_state->op_info = acpi_ps_get_opcode_info (op->common.aml_opcode);
-				walk_state->opcode = op->common.aml_opcode;
-
-				status = walk_state->ascending_callback (walk_state);
-				status = acpi_ps_next_parse_state (walk_state, op, status);
-				if (status == AE_CTRL_PENDING) {
-					status = AE_OK;
-					goto close_this_op;
-				}
-
-				if (status == AE_CTRL_TERMINATE) {
-					status = AE_OK;
-
-					/* Clean up */
-					do {
-						if (op) {
-							acpi_ps_complete_this_op (walk_state, op);
-						}
-
-						acpi_ps_pop_scope (parser_state, &op,
-							&walk_state->arg_types, &walk_state->arg_count);
-
-					} while (op);
-
-					return_ACPI_STATUS (status);
-				}
-
-				else if (ACPI_FAILURE (status)) {
-					acpi_ps_complete_this_op (walk_state, op);
-					return_ACPI_STATUS (status);
-				}
-			}
-
-			acpi_ps_complete_this_op (walk_state, op);
-		}
-
-		acpi_ps_pop_scope (parser_state, &op, &walk_state->arg_types,
-			&walk_state->arg_count);
-
-	} while (op);
-
-	return_ACPI_STATUS (status);
-}
-
-
-/*******************************************************************************
- *
  * FUNCTION:    acpi_ps_parse_aml
  *
  * PARAMETERS:  walk_state      - Current state
diff --git a/drivers/acpi/parser/psutils.c b/drivers/acpi/parser/psutils.c
index a10f88715d4..4221b41ae1a 100644
--- a/drivers/acpi/parser/psutils.c
+++ b/drivers/acpi/parser/psutils.c
@@ -154,12 +154,14 @@ acpi_ps_alloc_op (
 	if (flags == ACPI_PARSEOP_GENERIC) {
 		/* The generic op (default) is by far the most common (16 to 1) */
 
-		op = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_PSNODE);
+		op = acpi_os_acquire_object (acpi_gbl_ps_node_cache);
+		memset(op, 0, sizeof(struct acpi_parse_obj_common));
 	}
 	else {
 		/* Extended parseop */
 
-		op = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_PSNODE_EXT);
+		op = acpi_os_acquire_object (acpi_gbl_ps_node_ext_cache);
+		memset(op, 0, sizeof(struct acpi_parse_obj_named));
 	}
 
 	/* Initialize the Op */
@@ -198,41 +200,14 @@ acpi_ps_free_op (
 	}
 
 	if (op->common.flags & ACPI_PARSEOP_GENERIC) {
-		acpi_ut_release_to_cache (ACPI_MEM_LIST_PSNODE, op);
+		(void) acpi_os_release_object (acpi_gbl_ps_node_cache, op);
 	}
 	else {
-		acpi_ut_release_to_cache (ACPI_MEM_LIST_PSNODE_EXT, op);
+		(void) acpi_os_release_object (acpi_gbl_ps_node_ext_cache, op);
 	}
 }
 
 
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ps_delete_parse_cache
- *
- * PARAMETERS:  None
- *
- * RETURN:      None
- *
- * DESCRIPTION: Free all objects that are on the parse cache list.
- *
- ******************************************************************************/
-
-void
-acpi_ps_delete_parse_cache (
-	void)
-{
-	ACPI_FUNCTION_TRACE ("ps_delete_parse_cache");
-
-
-	acpi_ut_delete_generic_cache (ACPI_MEM_LIST_PSNODE);
-	acpi_ut_delete_generic_cache (ACPI_MEM_LIST_PSNODE_EXT);
-	return_VOID;
-}
-#endif
-
-
 /*******************************************************************************
  *
  * FUNCTION:    Utility functions
diff --git a/drivers/acpi/parser/psxface.c b/drivers/acpi/parser/psxface.c
index dba893648e8..d1541fabaf0 100644
--- a/drivers/acpi/parser/psxface.c
+++ b/drivers/acpi/parser/psxface.c
@@ -46,19 +46,30 @@
 #include <acpi/acparser.h>
 #include <acpi/acdispat.h>
 #include <acpi/acinterp.h>
-#include <acpi/acnamesp.h>
 
 
 #define _COMPONENT          ACPI_PARSER
 	 ACPI_MODULE_NAME    ("psxface")
 
+/* Local Prototypes */
+
+static acpi_status
+acpi_ps_execute_pass (
+	struct acpi_parameter_info      *info);
+
+static void
+acpi_ps_update_parameter_list (
+	struct acpi_parameter_info      *info,
+	u16                             action);
+
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_psx_execute
+ * FUNCTION:    acpi_ps_execute_method
  *
  * PARAMETERS:  Info            - Method info block, contains:
  *                  Node            - Method Node to execute
+ *                  obj_desc        - Method object
  *                  Parameters      - List of parameters to pass to the method,
  *                                    terminated by NULL. Params itself may be
  *                                    NULL if no parameters are being passed.
@@ -67,6 +78,7 @@
  *                  parameter_type  - Type of Parameter list
  *                  return_object   - Where to put method's return value (if
  *                                    any). If NULL, no value is returned.
+ *                  pass_number     - Parse or execute pass
  *
  * RETURN:      Status
  *
@@ -75,171 +87,194 @@
  ******************************************************************************/
 
 acpi_status
-acpi_psx_execute (
+acpi_ps_execute_method (
 	struct acpi_parameter_info      *info)
 {
 	acpi_status                     status;
-	union acpi_operand_object       *obj_desc;
-	u32                             i;
-	union acpi_parse_object         *op;
-	struct acpi_walk_state          *walk_state;
 
 
-	ACPI_FUNCTION_TRACE ("psx_execute");
+	ACPI_FUNCTION_TRACE ("ps_execute_method");
 
 
-	/* Validate the Node and get the attached object */
+	/* Validate the Info and method Node */
 
 	if (!info || !info->node) {
 		return_ACPI_STATUS (AE_NULL_ENTRY);
 	}
 
-	obj_desc = acpi_ns_get_attached_object (info->node);
-	if (!obj_desc) {
-		return_ACPI_STATUS (AE_NULL_OBJECT);
-	}
-
 	/* Init for new method, wait on concurrency semaphore */
 
-	status = acpi_ds_begin_method_execution (info->node, obj_desc, NULL);
+	status = acpi_ds_begin_method_execution (info->node, info->obj_desc, NULL);
 	if (ACPI_FAILURE (status)) {
 		return_ACPI_STATUS (status);
 	}
 
-	if ((info->parameter_type == ACPI_PARAM_ARGS) &&
-		(info->parameters)) {
-		/*
-		 * The caller "owns" the parameters, so give each one an extra
-		 * reference
-		 */
-		for (i = 0; info->parameters[i]; i++) {
-			acpi_ut_add_reference (info->parameters[i]);
-		}
-	}
-
-	/*
-	 * 1) Perform the first pass parse of the method to enter any
-	 * named objects that it creates into the namespace
-	 */
-	ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
-		"**** Begin Method Parse **** Entry=%p obj=%p\n",
-		info->node, obj_desc));
-
-	/* Create and init a Root Node */
-
-	op = acpi_ps_create_scope_op ();
-	if (!op) {
-		status = AE_NO_MEMORY;
-		goto cleanup1;
-	}
-
 	/*
 	 * Get a new owner_id for objects created by this method. Namespace
 	 * objects (such as Operation Regions) can be created during the
 	 * first pass parse.
 	 */
-	obj_desc->method.owning_id = acpi_ut_allocate_owner_id (ACPI_OWNER_TYPE_METHOD);
-
-	/* Create and initialize a new walk state */
-
-	walk_state = acpi_ds_create_walk_state (obj_desc->method.owning_id,
-			   NULL, NULL, NULL);
-	if (!walk_state) {
-		status = AE_NO_MEMORY;
-		goto cleanup2;
-	}
-
-	status = acpi_ds_init_aml_walk (walk_state, op, info->node,
-			  obj_desc->method.aml_start,
-			  obj_desc->method.aml_length, NULL, 1);
+	status = acpi_ut_allocate_owner_id (&info->obj_desc->method.owner_id);
 	if (ACPI_FAILURE (status)) {
-		goto cleanup3;
+		return_ACPI_STATUS (status);
 	}
 
-	/* Parse the AML */
+	/*
+	 * The caller "owns" the parameters, so give each one an extra
+	 * reference
+	 */
+	acpi_ps_update_parameter_list (info, REF_INCREMENT);
 
-	status = acpi_ps_parse_aml (walk_state);
-	acpi_ps_delete_parse_tree (op);
+	/*
+	 * 1) Perform the first pass parse of the method to enter any
+	 *    named objects that it creates into the namespace
+	 */
+	ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
+		"**** Begin Method Parse **** Entry=%p obj=%p\n",
+		info->node, info->obj_desc));
+
+	info->pass_number = 1;
+	status = acpi_ps_execute_pass (info);
 	if (ACPI_FAILURE (status)) {
-		goto cleanup1; /* Walk state is already deleted */
+		goto cleanup;
 	}
 
 	/*
-	 * 2) Execute the method.  Performs second pass parse simultaneously
+	 * 2) Execute the method. Performs second pass parse simultaneously
 	 */
 	ACPI_DEBUG_PRINT ((ACPI_DB_PARSE,
 		"**** Begin Method Execution **** Entry=%p obj=%p\n",
-		info->node, obj_desc));
+		info->node, info->obj_desc));
 
-	/* Create and init a Root Node */
+	info->pass_number = 3;
+	status = acpi_ps_execute_pass (info);
 
-	op = acpi_ps_create_scope_op ();
-	if (!op) {
-		status = AE_NO_MEMORY;
-		goto cleanup1;
+
+cleanup:
+	if (info->obj_desc->method.owner_id) {
+		acpi_ut_release_owner_id (&info->obj_desc->method.owner_id);
 	}
 
-	/* Init new op with the method name and pointer back to the NS node */
+	/* Take away the extra reference that we gave the parameters above */
 
-	acpi_ps_set_name (op, info->node->name.integer);
-	op->common.node = info->node;
+	acpi_ps_update_parameter_list (info, REF_DECREMENT);
 
-	/* Create and initialize a new walk state */
+	/* Exit now if error above */
 
-	walk_state = acpi_ds_create_walk_state (0, NULL, NULL, NULL);
-	if (!walk_state) {
-		status = AE_NO_MEMORY;
-		goto cleanup2;
+	if (ACPI_FAILURE (status)) {
+		return_ACPI_STATUS (status);
 	}
 
-	status = acpi_ds_init_aml_walk (walk_state, op, info->node,
-			  obj_desc->method.aml_start,
-			  obj_desc->method.aml_length, info, 3);
-	if (ACPI_FAILURE (status)) {
-		goto cleanup3;
+	/*
+	 * If the method has returned an object, signal this to the caller with
+	 * a control exception code
+	 */
+	if (info->return_object) {
+		ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Method returned obj_desc=%p\n",
+			info->return_object));
+		ACPI_DUMP_STACK_ENTRY (info->return_object);
+
+		status = AE_CTRL_RETURN_VALUE;
 	}
 
-	/* The walk of the parse tree is where we actually execute the method */
+	return_ACPI_STATUS (status);
+}
 
-	status = acpi_ps_parse_aml (walk_state);
-	goto cleanup2; /* Walk state already deleted */
 
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ps_update_parameter_list
+ *
+ * PARAMETERS:  Info            - See struct acpi_parameter_info
+ *                                (Used: parameter_type and Parameters)
+ *              Action          - Add or Remove reference
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Update reference count on all method parameter objects
+ *
+ ******************************************************************************/
 
-cleanup3:
-	acpi_ds_delete_walk_state (walk_state);
+static void
+acpi_ps_update_parameter_list (
+	struct acpi_parameter_info      *info,
+	u16                             action)
+{
+	acpi_native_uint                i;
 
-cleanup2:
-	acpi_ps_delete_parse_tree (op);
 
-cleanup1:
 	if ((info->parameter_type == ACPI_PARAM_ARGS) &&
 		(info->parameters)) {
-		/* Take away the extra reference that we gave the parameters above */
+		/* Update reference count for each parameter */
 
 		for (i = 0; info->parameters[i]; i++) {
 			/* Ignore errors, just do them all */
 
-			(void) acpi_ut_update_object_reference (
-					 info->parameters[i], REF_DECREMENT);
+			(void) acpi_ut_update_object_reference (info->parameters[i], action);
 		}
 	}
+}
 
-	if (ACPI_FAILURE (status)) {
-		return_ACPI_STATUS (status);
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ps_execute_pass
+ *
+ * PARAMETERS:  Info            - See struct acpi_parameter_info
+ *                                (Used: pass_number, Node, and obj_desc)
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Single AML pass: Parse or Execute a control method
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ps_execute_pass (
+	struct acpi_parameter_info      *info)
+{
+	acpi_status                     status;
+	union acpi_parse_object         *op;
+	struct acpi_walk_state          *walk_state;
+
+
+	ACPI_FUNCTION_TRACE ("ps_execute_pass");
+
+
+	/* Create and init a Root Node */
+
+	op = acpi_ps_create_scope_op ();
+	if (!op) {
+		return_ACPI_STATUS (AE_NO_MEMORY);
 	}
 
-	/*
-	 * If the method has returned an object, signal this to the caller with
-	 * a control exception code
-	 */
-	if (info->return_object) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_PARSE, "Method returned obj_desc=%p\n",
-			info->return_object));
-		ACPI_DUMP_STACK_ENTRY (info->return_object);
+	/* Create and initialize a new walk state */
 
-		status = AE_CTRL_RETURN_VALUE;
+	walk_state = acpi_ds_create_walk_state (
+			  info->obj_desc->method.owner_id, NULL, NULL, NULL);
+	if (!walk_state) {
+		status = AE_NO_MEMORY;
+		goto cleanup;
+	}
+
+	status = acpi_ds_init_aml_walk (walk_state, op, info->node,
+			  info->obj_desc->method.aml_start,
+			  info->obj_desc->method.aml_length,
+			  info->pass_number == 1 ? NULL : info,
+			  info->pass_number);
+	if (ACPI_FAILURE (status)) {
+		acpi_ds_delete_walk_state (walk_state);
+		goto cleanup;
 	}
 
+	/* Parse the AML */
+
+	status = acpi_ps_parse_aml (walk_state);
+
+	/* Walk state was deleted by parse_aml */
+
+cleanup:
+	acpi_ps_delete_parse_tree (op);
 	return_ACPI_STATUS (status);
 }
 
diff --git a/drivers/acpi/resources/rsdump.c b/drivers/acpi/resources/rsdump.c
index 1935dab2ab5..2c3bb8c3574 100644
--- a/drivers/acpi/resources/rsdump.c
+++ b/drivers/acpi/resources/rsdump.c
@@ -48,6 +48,9 @@
 #define _COMPONENT          ACPI_RESOURCES
 	 ACPI_MODULE_NAME    ("rsdump")
 
+
+#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
+
 /* Local prototypes */
 
 static void
@@ -103,7 +106,6 @@ acpi_rs_dump_vendor_specific (
 	union acpi_resource_data        *data);
 
 
-#if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
 /*******************************************************************************
  *
  * FUNCTION:    acpi_rs_dump_irq
diff --git a/drivers/acpi/tables/tbconvrt.c b/drivers/acpi/tables/tbconvrt.c
index 92e0c31539b..d4ff71f5fe5 100644
--- a/drivers/acpi/tables/tbconvrt.c
+++ b/drivers/acpi/tables/tbconvrt.c
@@ -97,7 +97,9 @@ acpi_tb_get_table_count (
 	ACPI_FUNCTION_ENTRY ();
 
 
-	if (RSDP->revision < 2) {
+	/* RSDT pointers are 32 bits, XSDT pointers are 64 bits */
+
+	if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
 		pointer_size = sizeof (u32);
 	}
 	else {
@@ -158,7 +160,9 @@ acpi_tb_convert_to_xsdt (
 	/* Copy the table pointers */
 
 	for (i = 0; i < acpi_gbl_rsdt_table_count; i++) {
-		if (acpi_gbl_RSDP->revision < 2) {
+		/* RSDT pointers are 32 bits, XSDT pointers are 64 bits */
+
+		if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
 			ACPI_STORE_ADDRESS (new_table->table_offset_entry[i],
 				(ACPI_CAST_PTR (struct rsdt_descriptor_rev1,
 					table_info->pointer))->table_offset_entry[i]);
diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c
index 629b64c8193..698799901f5 100644
--- a/drivers/acpi/tables/tbinstal.c
+++ b/drivers/acpi/tables/tbinstal.c
@@ -124,9 +124,7 @@ acpi_tb_match_signature (
  *
  * RETURN:      Status
  *
- * DESCRIPTION: Load and validate all tables other than the RSDT.  The RSDT must
- *              already be loaded and validated.
- *              Install the table into the global data structs.
+ * DESCRIPTION: Install the table into the global data structures.
  *
  ******************************************************************************/
 
@@ -136,6 +134,7 @@ acpi_tb_install_table (
 {
 	acpi_status                     status;
 
+
 	ACPI_FUNCTION_TRACE ("tb_install_table");
 
 
@@ -143,22 +142,33 @@ acpi_tb_install_table (
 
 	status = acpi_ut_acquire_mutex (ACPI_MTX_TABLES);
 	if (ACPI_FAILURE (status)) {
-		ACPI_REPORT_ERROR (("Could not acquire table mutex for [%4.4s], %s\n",
-			table_info->pointer->signature, acpi_format_exception (status)));
+		ACPI_REPORT_ERROR (("Could not acquire table mutex, %s\n",
+			acpi_format_exception (status)));
 		return_ACPI_STATUS (status);
 	}
 
+	/*
+	 * Ignore a table that is already installed. For example, some BIOS
+	 * ASL code will repeatedly attempt to load the same SSDT.
+	 */
+	status = acpi_tb_is_table_installed (table_info);
+	if (ACPI_FAILURE (status)) {
+		goto unlock_and_exit;
+	}
+
 	/* Install the table into the global data structure */
 
 	status = acpi_tb_init_table_descriptor (table_info->type, table_info);
 	if (ACPI_FAILURE (status)) {
-		ACPI_REPORT_ERROR (("Could not install ACPI table [%4.4s], %s\n",
+		ACPI_REPORT_ERROR (("Could not install table [%4.4s], %s\n",
 			table_info->pointer->signature, acpi_format_exception (status)));
 	}
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_INFO, "%s located at %p\n",
 		acpi_gbl_table_data[table_info->type].name, table_info->pointer));
 
+
+unlock_and_exit:
 	(void) acpi_ut_release_mutex (ACPI_MTX_TABLES);
 	return_ACPI_STATUS (status);
 }
@@ -251,6 +261,7 @@ acpi_tb_init_table_descriptor (
 {
 	struct acpi_table_list          *list_head;
 	struct acpi_table_desc          *table_desc;
+	acpi_status                     status;
 
 
 	ACPI_FUNCTION_TRACE_U32 ("tb_init_table_descriptor", table_type);
@@ -263,6 +274,13 @@ acpi_tb_init_table_descriptor (
 		return_ACPI_STATUS (AE_NO_MEMORY);
 	}
 
+	/* Get a new owner ID for the table */
+
+	status = acpi_ut_allocate_owner_id (&table_desc->owner_id);
+	if (ACPI_FAILURE (status)) {
+		return_ACPI_STATUS (status);
+	}
+
 	/* Install the table into the global data structure */
 
 	list_head = &acpi_gbl_table_lists[table_type];
@@ -325,8 +343,6 @@ acpi_tb_init_table_descriptor (
 	table_desc->aml_start           = (u8 *) (table_desc->pointer + 1),
 	table_desc->aml_length          = (u32) (table_desc->length -
 			 (u32) sizeof (struct acpi_table_header));
-	table_desc->table_id            = acpi_ut_allocate_owner_id (
-			 ACPI_OWNER_TYPE_TABLE);
 	table_desc->loaded_into_namespace = FALSE;
 
 	/*
@@ -339,7 +355,7 @@ acpi_tb_init_table_descriptor (
 
 	/* Return Data */
 
-	table_info->table_id        = table_desc->table_id;
+	table_info->owner_id        = table_desc->owner_id;
 	table_info->installed_desc  = table_desc;
 
 	return_ACPI_STATUS (AE_OK);
diff --git a/drivers/acpi/tables/tbrsdt.c b/drivers/acpi/tables/tbrsdt.c
index b7ffe39c362..069d498465d 100644
--- a/drivers/acpi/tables/tbrsdt.c
+++ b/drivers/acpi/tables/tbrsdt.c
@@ -96,32 +96,13 @@ acpi_tb_verify_rsdp (
 		return_ACPI_STATUS (AE_BAD_PARAMETER);
 	}
 
-	/*
-	 *  The signature and checksum must both be correct
-	 */
-	if (ACPI_STRNCMP ((char *) rsdp, RSDP_SIG, sizeof (RSDP_SIG)-1) != 0) {
-		/* Nope, BAD Signature */
-
-		status = AE_BAD_SIGNATURE;
-		goto cleanup;
-	}
-
-	/* Check the standard checksum */
+	/* Verify RSDP signature and checksum */
 
-	if (acpi_tb_checksum (rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) {
-		status = AE_BAD_CHECKSUM;
+	status = acpi_tb_validate_rsdp (rsdp);
+	if (ACPI_FAILURE (status)) {
 		goto cleanup;
 	}
 
-	/* Check extended checksum if table version >= 2 */
-
-	if (rsdp->revision >= 2) {
-		if (acpi_tb_checksum (rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 0) {
-			status = AE_BAD_CHECKSUM;
-			goto cleanup;
-		}
-	}
-
 	/* The RSDP supplied is OK */
 
 	table_info.pointer     = ACPI_CAST_PTR (struct acpi_table_header, rsdp);
@@ -159,8 +140,8 @@ cleanup:
  *
  * RETURN:      None, Address
  *
- * DESCRIPTION: Extract the address of the RSDT or XSDT, depending on the
- *              version of the RSDP
+ * DESCRIPTION: Extract the address of either the RSDT or XSDT, depending on the
+ *              version of the RSDP and whether the XSDT pointer is valid
  *
  ******************************************************************************/
 
@@ -174,16 +155,19 @@ acpi_tb_get_rsdt_address (
 
 	out_address->pointer_type = acpi_gbl_table_flags | ACPI_LOGICAL_ADDRESSING;
 
-	/*
-	 * For RSDP revision 0 or 1, we use the RSDT.
-	 * For RSDP revision 2 (and above), we use the XSDT
-	 */
-	if (acpi_gbl_RSDP->revision < 2) {
-		out_address->pointer.value = acpi_gbl_RSDP->rsdt_physical_address;
-	}
-	else {
+	/* Use XSDT if it is present */
+
+	if ((acpi_gbl_RSDP->revision >= 2) &&
+		acpi_gbl_RSDP->xsdt_physical_address) {
 		out_address->pointer.value =
 			acpi_gbl_RSDP->xsdt_physical_address;
+		acpi_gbl_root_table_type = ACPI_TABLE_TYPE_XSDT;
+	}
+	else {
+		/* No XSDT, use the RSDT */
+
+		out_address->pointer.value = acpi_gbl_RSDP->rsdt_physical_address;
+		acpi_gbl_root_table_type = ACPI_TABLE_TYPE_RSDT;
 	}
 }
 
@@ -211,10 +195,9 @@ acpi_tb_validate_rsdt (
 
 
 	/*
-	 * For RSDP revision 0 or 1, we use the RSDT.
-	 * For RSDP revision 2 and above, we use the XSDT
+	 * Search for appropriate signature, RSDT or XSDT
 	 */
-	if (acpi_gbl_RSDP->revision < 2) {
+	if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
 		no_match = ACPI_STRNCMP ((char *) table_ptr, RSDT_SIG,
 				  sizeof (RSDT_SIG) -1);
 	}
@@ -236,11 +219,11 @@ acpi_tb_validate_rsdt (
 			acpi_gbl_RSDP->rsdt_physical_address,
 			(void *) (acpi_native_uint) acpi_gbl_RSDP->rsdt_physical_address));
 
-		if (acpi_gbl_RSDP->revision < 2) {
-			ACPI_REPORT_ERROR (("Looking for RSDT (RSDP->Rev < 2)\n"))
+		if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
+			ACPI_REPORT_ERROR (("Looking for RSDT\n"))
 		}
 		else {
-			ACPI_REPORT_ERROR (("Looking for XSDT (RSDP->Rev >= 2)\n"))
+			ACPI_REPORT_ERROR (("Looking for XSDT\n"))
 		}
 
 		ACPI_DUMP_BUFFER ((char *) table_ptr, 48);
diff --git a/drivers/acpi/tables/tbutils.c b/drivers/acpi/tables/tbutils.c
index e69d01d443d..6fc1e36e604 100644
--- a/drivers/acpi/tables/tbutils.c
+++ b/drivers/acpi/tables/tbutils.c
@@ -61,6 +61,67 @@ acpi_tb_handle_to_object (
 
 /*******************************************************************************
  *
+ * FUNCTION:    acpi_tb_is_table_installed
+ *
+ * PARAMETERS:  new_table_desc      - Descriptor for new table being installed
+ *
+ * RETURN:      Status - AE_ALREADY_EXISTS if the table is already installed
+ *
+ * DESCRIPTION: Determine if an ACPI table is already installed
+ *
+ * MUTEX:       Table data structures should be locked
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_tb_is_table_installed (
+	struct acpi_table_desc          *new_table_desc)
+{
+	struct acpi_table_desc          *table_desc;
+
+
+	ACPI_FUNCTION_TRACE ("tb_is_table_installed");
+
+
+	/* Get the list descriptor and first table descriptor */
+
+	table_desc = acpi_gbl_table_lists[new_table_desc->type].next;
+
+	/* Examine all installed tables of this type */
+
+	while (table_desc) {
+		/* Compare Revision and oem_table_id */
+
+		if ((table_desc->loaded_into_namespace) &&
+			(table_desc->pointer->revision ==
+					new_table_desc->pointer->revision) &&
+			(!ACPI_MEMCMP (table_desc->pointer->oem_table_id,
+					new_table_desc->pointer->oem_table_id, 8))) {
+			/* This table is already installed */
+
+			ACPI_DEBUG_PRINT ((ACPI_DB_TABLES,
+				"Table [%4.4s] already installed: Rev %X oem_table_id [%8.8s]\n",
+				new_table_desc->pointer->signature,
+				new_table_desc->pointer->revision,
+				new_table_desc->pointer->oem_table_id));
+
+			new_table_desc->owner_id    = table_desc->owner_id;
+			new_table_desc->installed_desc = table_desc;
+
+			return_ACPI_STATUS (AE_ALREADY_EXISTS);
+		}
+
+		/* Get next table on the list */
+
+		table_desc = table_desc->next;
+	}
+
+	return_ACPI_STATUS (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
  * FUNCTION:    acpi_tb_validate_table_header
  *
  * PARAMETERS:  table_header        - Logical pointer to the table
@@ -157,7 +218,7 @@ acpi_tb_verify_table_checksum (
 
 	/* Compute the checksum on the table */
 
-	checksum = acpi_tb_checksum (table_header, table_header->length);
+	checksum = acpi_tb_generate_checksum (table_header, table_header->length);
 
 	/* Return the appropriate exception */
 
@@ -175,7 +236,7 @@ acpi_tb_verify_table_checksum (
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_tb_checksum
+ * FUNCTION:    acpi_tb_generate_checksum
  *
  * PARAMETERS:  Buffer              - Buffer to checksum
  *              Length              - Size of the buffer
@@ -187,7 +248,7 @@ acpi_tb_verify_table_checksum (
  ******************************************************************************/
 
 u8
-acpi_tb_checksum (
+acpi_tb_generate_checksum (
 	void                            *buffer,
 	u32                             length)
 {
diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c
index 0c0b9085dbe..e18a05d1b9b 100644
--- a/drivers/acpi/tables/tbxface.c
+++ b/drivers/acpi/tables/tbxface.c
@@ -182,10 +182,23 @@ acpi_load_table (
 		return_ACPI_STATUS (status);
 	}
 
+	/* Check signature for a valid table type */
+
+	status = acpi_tb_recognize_table (&table_info, ACPI_TABLE_ALL);
+	if (ACPI_FAILURE (status)) {
+		return_ACPI_STATUS (status);
+	}
+
 	/* Install the new table into the local data structures */
 
 	status = acpi_tb_install_table (&table_info);
 	if (ACPI_FAILURE (status)) {
+		if (status == AE_ALREADY_EXISTS) {
+			/* Table already exists, no error */
+
+			status = AE_OK;
+		}
+
 		/* Free table allocated by acpi_tb_get_table_body */
 
 		acpi_tb_delete_single_table (&table_info);
@@ -260,8 +273,8 @@ acpi_unload_table (
 		 * "Scope" operator.  Thus, we need to track ownership by an ID, not
 		 * simply a position within the hierarchy
 		 */
-		acpi_ns_delete_namespace_by_owner (table_desc->table_id);
-
+		acpi_ns_delete_namespace_by_owner (table_desc->owner_id);
+		acpi_ut_release_owner_id (&table_desc->owner_id);
 		table_desc = table_desc->next;
 	}
 
diff --git a/drivers/acpi/tables/tbxfroot.c b/drivers/acpi/tables/tbxfroot.c
index dc3c3f6a9f6..87dccdda9ae 100644
--- a/drivers/acpi/tables/tbxfroot.c
+++ b/drivers/acpi/tables/tbxfroot.c
@@ -65,6 +65,51 @@ acpi_tb_scan_memory_for_rsdp (
 
 /*******************************************************************************
  *
+ * FUNCTION:    acpi_tb_validate_rsdp
+ *
+ * PARAMETERS:  Rsdp        - Pointer to unvalidated RSDP
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Validate the RSDP (ptr)
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_tb_validate_rsdp (
+	struct rsdp_descriptor          *rsdp)
+{
+	ACPI_FUNCTION_ENTRY ();
+
+
+	/*
+	 *  The signature and checksum must both be correct
+	 */
+	if (ACPI_STRNCMP ((char *) rsdp, RSDP_SIG, sizeof (RSDP_SIG)-1) != 0) {
+		/* Nope, BAD Signature */
+
+		return (AE_BAD_SIGNATURE);
+	}
+
+	/* Check the standard checksum */
+
+	if (acpi_tb_generate_checksum (rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) {
+		return (AE_BAD_CHECKSUM);
+	}
+
+	/* Check extended checksum if table version >= 2 */
+
+	if ((rsdp->revision >= 2) &&
+		(acpi_tb_generate_checksum (rsdp, ACPI_RSDP_XCHECKSUM_LENGTH) != 0)) {
+		return (AE_BAD_CHECKSUM);
+	}
+
+	return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
  * FUNCTION:    acpi_tb_find_table
  *
  * PARAMETERS:  Signature           - String with ACPI table signature
@@ -218,19 +263,11 @@ acpi_get_firmware_table (
 			acpi_gbl_RSDP = address.pointer.logical;
 		}
 
-		/* The signature and checksum must both be correct */
-
-		if (ACPI_STRNCMP ((char *) acpi_gbl_RSDP, RSDP_SIG,
-				sizeof (RSDP_SIG)-1) != 0) {
-			/* Nope, BAD Signature */
-
-			return_ACPI_STATUS (AE_BAD_SIGNATURE);
-		}
-
-		if (acpi_tb_checksum (acpi_gbl_RSDP, ACPI_RSDP_CHECKSUM_LENGTH) != 0) {
-			/* Nope, BAD Checksum */
+		/* The RDSP signature and checksum must both be correct */
 
-			return_ACPI_STATUS (AE_BAD_CHECKSUM);
+		status = acpi_tb_validate_rsdp (acpi_gbl_RSDP);
+		if (ACPI_FAILURE (status)) {
+			return_ACPI_STATUS (status);
 		}
 	}
 
@@ -287,9 +324,11 @@ acpi_get_firmware_table (
 	 * requested table
 	 */
 	for (i = 0, j = 0; i < table_count; i++) {
-		/* Get the next table pointer, handle RSDT vs. XSDT */
-
-		if (acpi_gbl_RSDP->revision < 2) {
+		/*
+		 * Get the next table pointer, handle RSDT vs. XSDT
+		 * RSDT pointers are 32 bits, XSDT pointers are 64 bits
+		 */
+		if (acpi_gbl_root_table_type == ACPI_TABLE_TYPE_RSDT) {
 			address.pointer.value = (ACPI_CAST_PTR (
 				RSDT_DESCRIPTOR, rsdt_info->pointer))->table_offset_entry[i];
 		}
@@ -331,8 +370,10 @@ acpi_get_firmware_table (
 
 
 cleanup:
-	acpi_os_unmap_memory (rsdt_info->pointer,
-		(acpi_size) rsdt_info->pointer->length);
+	if (rsdt_info->pointer) {
+		acpi_os_unmap_memory (rsdt_info->pointer,
+			(acpi_size) rsdt_info->pointer->length);
+	}
 	ACPI_MEM_FREE (rsdt_info);
 
 	if (header) {
@@ -410,9 +451,9 @@ acpi_tb_scan_memory_for_rsdp (
 	u8                              *start_address,
 	u32                             length)
 {
+	acpi_status                     status;
 	u8                              *mem_rover;
 	u8                              *end_address;
-	u8                              checksum;
 
 
 	ACPI_FUNCTION_TRACE ("tb_scan_memory_for_rsdp");
@@ -424,45 +465,25 @@ acpi_tb_scan_memory_for_rsdp (
 
 	for (mem_rover = start_address; mem_rover < end_address;
 		 mem_rover += ACPI_RSDP_SCAN_STEP) {
-		/* The signature and checksum must both be correct */
-
-		if (ACPI_STRNCMP ((char *) mem_rover,
-				RSDP_SIG, sizeof (RSDP_SIG) - 1) != 0) {
-			/* No signature match, keep looking */
-
-			continue;
-		}
-
-		/* Signature matches, check the appropriate checksum */
-
-		if ((ACPI_CAST_PTR (struct rsdp_descriptor, mem_rover))->revision < 2) {
-			/* ACPI version 1.0 */
+		/* The RSDP signature and checksum must both be correct */
 
-			checksum = acpi_tb_checksum (mem_rover, ACPI_RSDP_CHECKSUM_LENGTH);
-		}
-		else {
-			/* Post ACPI 1.0, use extended_checksum */
-
-			checksum = acpi_tb_checksum (mem_rover, ACPI_RSDP_XCHECKSUM_LENGTH);
-		}
-
-		if (checksum == 0) {
-			/* Checksum valid, we have found a valid RSDP */
+		status = acpi_tb_validate_rsdp (ACPI_CAST_PTR (struct rsdp_descriptor, mem_rover));
+		if (ACPI_SUCCESS (status)) {
+			/* Sig and checksum valid, we have found a real RSDP */
 
 			ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
 				"RSDP located at physical address %p\n", mem_rover));
 			return_PTR (mem_rover);
 		}
 
-		ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
-			"Found an RSDP at physical address %p, but it has a bad checksum\n",
-			mem_rover));
+		/* No sig match or bad checksum, keep searching */
 	}
 
 	/* Searched entire block, no RSDP was found */
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_INFO,
-		"Searched entire block, no valid RSDP was found.\n"));
+		"Searched entire block from %p, valid RSDP was not found\n",
+		start_address));
 	return_PTR (NULL);
 }
 
@@ -550,7 +571,7 @@ acpi_tb_find_rsdp (
 			acpi_os_unmap_memory (table_ptr, ACPI_EBDA_WINDOW_SIZE);
 
 			if (mem_rover) {
-				/* Found it, return the physical address */
+				/* Return the physical address */
 
 				physical_address += ACPI_PTR_DIFF (mem_rover, table_ptr);
 
@@ -579,7 +600,7 @@ acpi_tb_find_rsdp (
 		acpi_os_unmap_memory (table_ptr, ACPI_HI_RSDP_WINDOW_SIZE);
 
 		if (mem_rover) {
-			/* Found it, return the physical address */
+			/* Return the physical address */
 
 			physical_address =
 				ACPI_HI_RSDP_WINDOW_BASE + ACPI_PTR_DIFF (mem_rover, table_ptr);
@@ -610,7 +631,7 @@ acpi_tb_find_rsdp (
 					  ACPI_PHYSADDR_TO_PTR (physical_address),
 					  ACPI_EBDA_WINDOW_SIZE);
 			if (mem_rover) {
-				/* Found it, return the physical address */
+				/* Return the physical address */
 
 				table_info->physical_address = ACPI_TO_INTEGER (mem_rover);
 				return_ACPI_STATUS (AE_OK);
@@ -630,8 +651,9 @@ acpi_tb_find_rsdp (
 		}
 	}
 
-	/* RSDP signature was not found */
+	/* A valid RSDP was not found */
 
+	ACPI_REPORT_ERROR (("No valid RSDP was found\n"));
 	return_ACPI_STATUS (AE_NOT_FOUND);
 }
 
diff --git a/drivers/acpi/utilities/Makefile b/drivers/acpi/utilities/Makefile
index 939c447dd52..e87108b7338 100644
--- a/drivers/acpi/utilities/Makefile
+++ b/drivers/acpi/utilities/Makefile
@@ -3,6 +3,6 @@
 #
 
 obj-y := utalloc.o  utdebug.o   uteval.o    utinit.o  utmisc.o    utxface.o \
-	 utcopy.o   utdelete.o  utglobal.o  utmath.o  utobject.o
+	 utcopy.o   utdelete.o  utglobal.o  utmath.o  utobject.o utstate.o utmutex.o utobject.o utcache.o
 
 EXTRA_CFLAGS += $(ACPI_CFLAGS)
diff --git a/drivers/acpi/utilities/utalloc.c b/drivers/acpi/utilities/utalloc.c
index c4e7f989a2b..78270f50e62 100644
--- a/drivers/acpi/utilities/utalloc.c
+++ b/drivers/acpi/utilities/utalloc.c
@@ -1,6 +1,6 @@
 /******************************************************************************
  *
- * Module Name: utalloc - local cache and memory allocation routines
+ * Module Name: utalloc - local memory allocation routines
  *
  *****************************************************************************/
 
@@ -52,12 +52,10 @@
 #ifdef	ACPI_DBG_TRACK_ALLOCATIONS
 static struct acpi_debug_mem_block *
 acpi_ut_find_allocation (
-	u32                             list_id,
 	void                            *allocation);
 
 static acpi_status
 acpi_ut_track_allocation (
-	u32                             list_id,
 	struct acpi_debug_mem_block     *address,
 	acpi_size                       size,
 	u8                              alloc_type,
@@ -67,206 +65,118 @@ acpi_ut_track_allocation (
 
 static acpi_status
 acpi_ut_remove_allocation (
-	u32                             list_id,
 	struct acpi_debug_mem_block     *address,
 	u32                             component,
 	char                            *module,
 	u32                             line);
 #endif	/* ACPI_DBG_TRACK_ALLOCATIONS */
 
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_release_to_cache
- *
- * PARAMETERS:  list_id             - Memory list/cache ID
- *              Object              - The object to be released
- *
- * RETURN:      None
- *
- * DESCRIPTION: Release an object to the specified cache.  If cache is full,
- *              the object is deleted.
- *
- ******************************************************************************/
-
-void
-acpi_ut_release_to_cache (
-	u32                             list_id,
-	void                            *object)
-{
-	struct acpi_memory_list         *cache_info;
-
-
-	ACPI_FUNCTION_ENTRY ();
-
-
-	cache_info = &acpi_gbl_memory_lists[list_id];
-
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-
-	/* If walk cache is full, just free this wallkstate object */
-
-	if (cache_info->cache_depth >= cache_info->max_cache_depth) {
-		ACPI_MEM_FREE (object);
-		ACPI_MEM_TRACKING (cache_info->total_freed++);
-	}
-
-	/* Otherwise put this object back into the cache */
-
-	else {
-		if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES))) {
-			return;
-		}
-
-		/* Mark the object as cached */
-
-		ACPI_MEMSET (object, 0xCA, cache_info->object_size);
-		ACPI_SET_DESCRIPTOR_TYPE (object, ACPI_DESC_TYPE_CACHED);
-
-		/* Put the object at the head of the cache list */
-
-		* (ACPI_CAST_INDIRECT_PTR (char,
-			&(((char *) object)[cache_info->link_offset]))) = cache_info->list_head;
-		cache_info->list_head = object;
-		cache_info->cache_depth++;
-
-		(void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
-	}
-
-#else
-
-	/* Object cache is disabled; just free the object */
-
-	ACPI_MEM_FREE (object);
-	ACPI_MEM_TRACKING (cache_info->total_freed++);
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
+static acpi_status
+acpi_ut_create_list (
+	char                            *list_name,
+	u16                             object_size,
+	struct acpi_memory_list         **return_cache);
 #endif
-}
 
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ut_acquire_from_cache
+ * FUNCTION:    acpi_ut_create_caches
  *
- * PARAMETERS:  list_id             - Memory list ID
+ * PARAMETERS:  None
  *
- * RETURN:      A requested object.  NULL if the object could not be
- *              allocated.
+ * RETURN:      Status
  *
- * DESCRIPTION: Get an object from the specified cache.  If cache is empty,
- *              the object is allocated.
+ * DESCRIPTION: Create all local caches
  *
  ******************************************************************************/
 
-void *
-acpi_ut_acquire_from_cache (
-	u32                             list_id)
+acpi_status
+acpi_ut_create_caches (
+	void)
 {
-	struct acpi_memory_list         *cache_info;
-	void                            *object;
-
-
-	ACPI_FUNCTION_NAME ("ut_acquire_from_cache");
+	acpi_status                     status;
 
 
-	cache_info = &acpi_gbl_memory_lists[list_id];
+#ifdef ACPI_DBG_TRACK_ALLOCATIONS
 
-#ifdef ACPI_ENABLE_OBJECT_CACHE
+	/* Memory allocation lists */
 
-	if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES))) {
-		return (NULL);
+	status = acpi_ut_create_list ("Acpi-Global", 0,
+			 &acpi_gbl_global_list);
+	if (ACPI_FAILURE (status)) {
+		return (status);
 	}
 
-	ACPI_MEM_TRACKING (cache_info->cache_requests++);
-
-	/* Check the cache first */
-
-	if (cache_info->list_head) {
-		/* There is an object available, use it */
-
-		object = cache_info->list_head;
-		cache_info->list_head = *(ACPI_CAST_INDIRECT_PTR (char,
-				 &(((char *) object)[cache_info->link_offset])));
-
-		ACPI_MEM_TRACKING (cache_info->cache_hits++);
-		cache_info->cache_depth--;
-
-#ifdef ACPI_DBG_TRACK_ALLOCATIONS
-		ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Object %p from %s\n",
-			object, acpi_gbl_memory_lists[list_id].list_name));
+	status = acpi_ut_create_list ("Acpi-Namespace", sizeof (struct acpi_namespace_node),
+			 &acpi_gbl_ns_node_list);
+	if (ACPI_FAILURE (status)) {
+		return (status);
+	}
 #endif
 
-		if (ACPI_FAILURE (acpi_ut_release_mutex (ACPI_MTX_CACHES))) {
-			return (NULL);
-		}
-
-		/* Clear (zero) the previously used Object */
+	/* Object Caches, for frequently used objects */
 
-		ACPI_MEMSET (object, 0, cache_info->object_size);
+	status = acpi_os_create_cache ("acpi_state", sizeof (union acpi_generic_state),
+			 ACPI_MAX_STATE_CACHE_DEPTH, &acpi_gbl_state_cache);
+	if (ACPI_FAILURE (status)) {
+		return (status);
 	}
 
-	else {
-		/* The cache is empty, create a new object */
-
-		/* Avoid deadlock with ACPI_MEM_CALLOCATE */
-
-		if (ACPI_FAILURE (acpi_ut_release_mutex (ACPI_MTX_CACHES))) {
-			return (NULL);
-		}
-
-		object = ACPI_MEM_CALLOCATE (cache_info->object_size);
-		ACPI_MEM_TRACKING (cache_info->total_allocated++);
+	status = acpi_os_create_cache ("acpi_parse", sizeof (struct acpi_parse_obj_common),
+			 ACPI_MAX_PARSE_CACHE_DEPTH, &acpi_gbl_ps_node_cache);
+	if (ACPI_FAILURE (status)) {
+		return (status);
 	}
 
-#else
-
-	/* Object cache is disabled; just allocate the object */
+	status = acpi_os_create_cache ("acpi_parse_ext", sizeof (struct acpi_parse_obj_named),
+			 ACPI_MAX_EXTPARSE_CACHE_DEPTH, &acpi_gbl_ps_node_ext_cache);
+	if (ACPI_FAILURE (status)) {
+		return (status);
+	}
 
-	object = ACPI_MEM_CALLOCATE (cache_info->object_size);
-	ACPI_MEM_TRACKING (cache_info->total_allocated++);
-#endif
+	status = acpi_os_create_cache ("acpi_operand", sizeof (union acpi_operand_object),
+			 ACPI_MAX_OBJECT_CACHE_DEPTH, &acpi_gbl_operand_cache);
+	if (ACPI_FAILURE (status)) {
+		return (status);
+	}
 
-	return (object);
+	return (AE_OK);
 }
 
 
-#ifdef ACPI_ENABLE_OBJECT_CACHE
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ut_delete_generic_cache
+ * FUNCTION:    acpi_ut_delete_caches
  *
- * PARAMETERS:  list_id         - Memory list ID
+ * PARAMETERS:  None
  *
- * RETURN:      None
+ * RETURN:      Status
  *
- * DESCRIPTION: Free all objects within the requested cache.
+ * DESCRIPTION: Purge and delete all local caches
  *
  ******************************************************************************/
 
-void
-acpi_ut_delete_generic_cache (
-	u32                             list_id)
+acpi_status
+acpi_ut_delete_caches (
+	void)
 {
-	struct acpi_memory_list         *cache_info;
-	char                            *next;
 
+	(void) acpi_os_delete_cache (acpi_gbl_state_cache);
+	acpi_gbl_state_cache = NULL;
 
-	ACPI_FUNCTION_ENTRY ();
-
+	(void) acpi_os_delete_cache (acpi_gbl_operand_cache);
+	acpi_gbl_operand_cache = NULL;
 
-	cache_info = &acpi_gbl_memory_lists[list_id];
-	while (cache_info->list_head) {
-		/* Delete one cached state object */
+	(void) acpi_os_delete_cache (acpi_gbl_ps_node_cache);
+	acpi_gbl_ps_node_cache = NULL;
 
-		next = *(ACPI_CAST_INDIRECT_PTR (char,
-				 &(((char *) cache_info->list_head)[cache_info->link_offset])));
-		ACPI_MEM_FREE (cache_info->list_head);
+	(void) acpi_os_delete_cache (acpi_gbl_ps_node_ext_cache);
+	acpi_gbl_ps_node_ext_cache = NULL;
 
-		cache_info->list_head = next;
-		cache_info->cache_depth--;
-	}
+	return (AE_OK);
 }
-#endif
-
 
 /*******************************************************************************
  *
@@ -500,6 +410,43 @@ acpi_ut_callocate (
  * occurs in the body of acpi_ut_free.
  */
 
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_create_list
+ *
+ * PARAMETERS:  cache_name      - Ascii name for the cache
+ *              object_size     - Size of each cached object
+ *              return_cache    - Where the new cache object is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a local memory list for tracking purposed
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ut_create_list (
+	char                            *list_name,
+	u16                             object_size,
+	struct acpi_memory_list         **return_cache)
+{
+	struct acpi_memory_list         *cache;
+
+
+	cache = acpi_os_allocate (sizeof (struct acpi_memory_list));
+	if (!cache) {
+		return (AE_NO_MEMORY);
+	}
+
+	ACPI_MEMSET (cache, 0, sizeof (struct acpi_memory_list));
+
+	cache->list_name  = list_name;
+	cache->object_size = object_size;
+
+	*return_cache = cache;
+	return (AE_OK);
+}
+
 
 /*******************************************************************************
  *
@@ -533,15 +480,15 @@ acpi_ut_allocate_and_track (
 		return (NULL);
 	}
 
-	status = acpi_ut_track_allocation (ACPI_MEM_LIST_GLOBAL, allocation, size,
+	status = acpi_ut_track_allocation (allocation, size,
 			  ACPI_MEM_MALLOC, component, module, line);
 	if (ACPI_FAILURE (status)) {
 		acpi_os_free (allocation);
 		return (NULL);
 	}
 
-	acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].total_allocated++;
-	acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].current_total_size += (u32) size;
+	acpi_gbl_global_list->total_allocated++;
+	acpi_gbl_global_list->current_total_size += (u32) size;
 
 	return ((void *) &allocation->user_space);
 }
@@ -583,15 +530,15 @@ acpi_ut_callocate_and_track (
 		return (NULL);
 	}
 
-	status = acpi_ut_track_allocation (ACPI_MEM_LIST_GLOBAL, allocation, size,
+	status = acpi_ut_track_allocation (allocation, size,
 			   ACPI_MEM_CALLOC, component, module, line);
 	if (ACPI_FAILURE (status)) {
 		acpi_os_free (allocation);
 		return (NULL);
 	}
 
-	acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].total_allocated++;
-	acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].current_total_size += (u32) size;
+	acpi_gbl_global_list->total_allocated++;
+	acpi_gbl_global_list->current_total_size += (u32) size;
 
 	return ((void *) &allocation->user_space);
 }
@@ -636,10 +583,10 @@ acpi_ut_free_and_track (
 	debug_block = ACPI_CAST_PTR (struct acpi_debug_mem_block,
 			  (((char *) allocation) - sizeof (struct acpi_debug_mem_header)));
 
-	acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].total_freed++;
-	acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].current_total_size -= debug_block->size;
+	acpi_gbl_global_list->total_freed++;
+	acpi_gbl_global_list->current_total_size -= debug_block->size;
 
-	status = acpi_ut_remove_allocation (ACPI_MEM_LIST_GLOBAL, debug_block,
+	status = acpi_ut_remove_allocation (debug_block,
 			  component, module, line);
 	if (ACPI_FAILURE (status)) {
 		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not free memory, %s\n",
@@ -658,8 +605,7 @@ acpi_ut_free_and_track (
  *
  * FUNCTION:    acpi_ut_find_allocation
  *
- * PARAMETERS:  list_id                 - Memory list to search
- *              Allocation              - Address of allocated memory
+ * PARAMETERS:  Allocation              - Address of allocated memory
  *
  * RETURN:      A list element if found; NULL otherwise.
  *
@@ -669,7 +615,6 @@ acpi_ut_free_and_track (
 
 static struct acpi_debug_mem_block *
 acpi_ut_find_allocation (
-	u32                             list_id,
 	void                            *allocation)
 {
 	struct acpi_debug_mem_block     *element;
@@ -678,11 +623,7 @@ acpi_ut_find_allocation (
 	ACPI_FUNCTION_ENTRY ();
 
 
-	if (list_id > ACPI_MEM_LIST_MAX) {
-		return (NULL);
-	}
-
-	element = acpi_gbl_memory_lists[list_id].list_head;
+	element = acpi_gbl_global_list->list_head;
 
 	/* Search for the address. */
 
@@ -702,8 +643,7 @@ acpi_ut_find_allocation (
  *
  * FUNCTION:    acpi_ut_track_allocation
  *
- * PARAMETERS:  list_id             - Memory list to search
- *              Allocation          - Address of allocated memory
+ * PARAMETERS:  Allocation          - Address of allocated memory
  *              Size                - Size of the allocation
  *              alloc_type          - MEM_MALLOC or MEM_CALLOC
  *              Component           - Component type of caller
@@ -718,7 +658,6 @@ acpi_ut_find_allocation (
 
 static acpi_status
 acpi_ut_track_allocation (
-	u32                             list_id,
 	struct acpi_debug_mem_block     *allocation,
 	acpi_size                       size,
 	u8                              alloc_type,
@@ -734,11 +673,7 @@ acpi_ut_track_allocation (
 	ACPI_FUNCTION_TRACE_PTR ("ut_track_allocation", allocation);
 
 
-	if (list_id > ACPI_MEM_LIST_MAX) {
-		return_ACPI_STATUS (AE_BAD_PARAMETER);
-	}
-
-	mem_list = &acpi_gbl_memory_lists[list_id];
+	mem_list = acpi_gbl_global_list;
 	status = acpi_ut_acquire_mutex (ACPI_MTX_MEMORY);
 	if (ACPI_FAILURE (status)) {
 		return_ACPI_STATUS (status);
@@ -748,8 +683,7 @@ acpi_ut_track_allocation (
 	 * Search list for this address to make sure it is not already on the list.
 	 * This will catch several kinds of problems.
 	 */
-
-	element = acpi_ut_find_allocation (list_id, allocation);
+	element = acpi_ut_find_allocation (allocation);
 	if (element) {
 		ACPI_REPORT_ERROR ((
 			"ut_track_allocation: Allocation already present in list! (%p)\n",
@@ -793,8 +727,7 @@ unlock_and_exit:
  *
  * FUNCTION:    acpi_ut_remove_allocation
  *
- * PARAMETERS:  list_id             - Memory list to search
- *              Allocation          - Address of allocated memory
+ * PARAMETERS:  Allocation          - Address of allocated memory
  *              Component           - Component type of caller
  *              Module              - Source file name of caller
  *              Line                - Line number of caller
@@ -807,7 +740,6 @@ unlock_and_exit:
 
 static acpi_status
 acpi_ut_remove_allocation (
-	u32                             list_id,
 	struct acpi_debug_mem_block     *allocation,
 	u32                             component,
 	char                            *module,
@@ -820,11 +752,7 @@ acpi_ut_remove_allocation (
 	ACPI_FUNCTION_TRACE ("ut_remove_allocation");
 
 
-	if (list_id > ACPI_MEM_LIST_MAX) {
-		return_ACPI_STATUS (AE_BAD_PARAMETER);
-	}
-
-	mem_list = &acpi_gbl_memory_lists[list_id];
+	mem_list = acpi_gbl_global_list;
 	if (NULL == mem_list->list_head) {
 		/* No allocations! */
 
@@ -959,7 +887,7 @@ acpi_ut_dump_allocations (
 		return;
 	}
 
-	element = acpi_gbl_memory_lists[0].list_head;
+	element = acpi_gbl_global_list->list_head;
 	while (element) {
 		if ((element->component & component) &&
 			((module == NULL) || (0 == ACPI_STRCMP (module, element->module)))) {
diff --git a/drivers/acpi/utilities/utcache.c b/drivers/acpi/utilities/utcache.c
new file mode 100644
index 00000000000..c0df0585c68
--- /dev/null
+++ b/drivers/acpi/utilities/utcache.c
@@ -0,0 +1,328 @@
+/******************************************************************************
+ *
+ * Module Name: utcache - local cache allocation routines
+ *
+ *****************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2005, R. Byron Moore
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+
+#include <acpi/acpi.h>
+
+#define _COMPONENT          ACPI_UTILITIES
+	 ACPI_MODULE_NAME    ("utcache")
+
+
+#ifdef ACPI_USE_LOCAL_CACHE
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_os_create_cache
+ *
+ * PARAMETERS:  cache_name      - Ascii name for the cache
+ *              object_size     - Size of each cached object
+ *              max_depth       - Maximum depth of the cache (in objects)
+ *              return_cache    - Where the new cache object is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a cache object
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_os_create_cache (
+	char                            *cache_name,
+	u16                             object_size,
+	u16                             max_depth,
+	struct acpi_memory_list         **return_cache)
+{
+	struct acpi_memory_list         *cache;
+
+
+	ACPI_FUNCTION_ENTRY ();
+
+
+	if (!cache_name || !return_cache || (object_size < 16)) {
+		return (AE_BAD_PARAMETER);
+	}
+
+	/* Create the cache object */
+
+	cache = acpi_os_allocate (sizeof (struct acpi_memory_list));
+	if (!cache) {
+		return (AE_NO_MEMORY);
+	}
+
+	/* Populate the cache object and return it */
+
+	ACPI_MEMSET (cache, 0, sizeof (struct acpi_memory_list));
+	cache->link_offset = 8;
+	cache->list_name  = cache_name;
+	cache->object_size = object_size;
+	cache->max_depth  = max_depth;
+
+	*return_cache = cache;
+	return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_os_purge_cache
+ *
+ * PARAMETERS:  Cache           - Handle to cache object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Free all objects within the requested cache.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_os_purge_cache (
+	struct acpi_memory_list         *cache)
+{
+	char                            *next;
+
+
+	ACPI_FUNCTION_ENTRY ();
+
+
+	if (!cache) {
+		return (AE_BAD_PARAMETER);
+	}
+
+	/* Walk the list of objects in this cache */
+
+	while (cache->list_head) {
+		/* Delete and unlink one cached state object */
+
+		next = *(ACPI_CAST_INDIRECT_PTR (char,
+				 &(((char *) cache->list_head)[cache->link_offset])));
+		ACPI_MEM_FREE (cache->list_head);
+
+		cache->list_head = next;
+		cache->current_depth--;
+	}
+
+	return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_os_delete_cache
+ *
+ * PARAMETERS:  Cache           - Handle to cache object
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Free all objects within the requested cache and delete the
+ *              cache object.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_os_delete_cache (
+	struct acpi_memory_list         *cache)
+{
+	acpi_status                     status;
+
+
+	ACPI_FUNCTION_ENTRY ();
+
+
+   /* Purge all objects in the cache */
+
+	status = acpi_os_purge_cache (cache);
+	if (ACPI_FAILURE (status)) {
+		return (status);
+	}
+
+	/* Now we can delete the cache object */
+
+	acpi_os_free (cache);
+	return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_os_release_object
+ *
+ * PARAMETERS:  Cache       - Handle to cache object
+ *              Object      - The object to be released
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Release an object to the specified cache.  If cache is full,
+ *              the object is deleted.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_os_release_object (
+	struct acpi_memory_list         *cache,
+	void                            *object)
+{
+	acpi_status                     status;
+
+
+	ACPI_FUNCTION_ENTRY ();
+
+
+	if (!cache || !object) {
+		return (AE_BAD_PARAMETER);
+	}
+
+	/* If cache is full, just free this object */
+
+	if (cache->current_depth >= cache->max_depth) {
+		ACPI_MEM_FREE (object);
+		ACPI_MEM_TRACKING (cache->total_freed++);
+	}
+
+	/* Otherwise put this object back into the cache */
+
+	else {
+		status = acpi_ut_acquire_mutex (ACPI_MTX_CACHES);
+		if (ACPI_FAILURE (status)) {
+			return (status);
+		}
+
+		/* Mark the object as cached */
+
+		ACPI_MEMSET (object, 0xCA, cache->object_size);
+		ACPI_SET_DESCRIPTOR_TYPE (object, ACPI_DESC_TYPE_CACHED);
+
+		/* Put the object at the head of the cache list */
+
+		* (ACPI_CAST_INDIRECT_PTR (char,
+			&(((char *) object)[cache->link_offset]))) = cache->list_head;
+		cache->list_head = object;
+		cache->current_depth++;
+
+		(void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
+	}
+
+	return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_os_acquire_object
+ *
+ * PARAMETERS:  Cache           - Handle to cache object
+ *
+ * RETURN:      the acquired object.  NULL on error
+ *
+ * DESCRIPTION: Get an object from the specified cache.  If cache is empty,
+ *              the object is allocated.
+ *
+ ******************************************************************************/
+
+void *
+acpi_os_acquire_object (
+	struct acpi_memory_list         *cache)
+{
+	acpi_status                     status;
+	void                            *object;
+
+
+	ACPI_FUNCTION_NAME ("os_acquire_object");
+
+
+	if (!cache) {
+		return (NULL);
+	}
+
+	status = acpi_ut_acquire_mutex (ACPI_MTX_CACHES);
+	if (ACPI_FAILURE (status)) {
+		return (NULL);
+	}
+
+	ACPI_MEM_TRACKING (cache->requests++);
+
+	/* Check the cache first */
+
+	if (cache->list_head) {
+		/* There is an object available, use it */
+
+		object = cache->list_head;
+		cache->list_head = *(ACPI_CAST_INDIRECT_PTR (char,
+				 &(((char *) object)[cache->link_offset])));
+
+		cache->current_depth--;
+
+		ACPI_MEM_TRACKING (cache->hits++);
+		ACPI_MEM_TRACKING (ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
+			"Object %p from %s cache\n", object, cache->list_name)));
+
+		status = acpi_ut_release_mutex (ACPI_MTX_CACHES);
+		if (ACPI_FAILURE (status)) {
+			return (NULL);
+		}
+
+		/* Clear (zero) the previously used Object */
+
+		ACPI_MEMSET (object, 0, cache->object_size);
+	}
+	else {
+		/* The cache is empty, create a new object */
+
+		ACPI_MEM_TRACKING (cache->total_allocated++);
+
+		/* Avoid deadlock with ACPI_MEM_CALLOCATE */
+
+		status = acpi_ut_release_mutex (ACPI_MTX_CACHES);
+		if (ACPI_FAILURE (status)) {
+			return (NULL);
+		}
+
+		object = ACPI_MEM_CALLOCATE (cache->object_size);
+		if (!object) {
+			return (NULL);
+		}
+	}
+
+	return (object);
+}
+#endif /* ACPI_USE_LOCAL_CACHE */
+
+
diff --git a/drivers/acpi/utilities/utcopy.c b/drivers/acpi/utilities/utcopy.c
index 11e88495716..31c30a32e5c 100644
--- a/drivers/acpi/utilities/utcopy.c
+++ b/drivers/acpi/utilities/utcopy.c
@@ -694,58 +694,50 @@ acpi_ut_copy_simple_object (
 	dest_desc->common.reference_count = reference_count;
 	dest_desc->common.next_object = next_object;
 
+	/* New object is not static, regardless of source */
+
+	dest_desc->common.flags &= ~AOPOBJ_STATIC_POINTER;
+
 	/* Handle the objects with extra data */
 
 	switch (ACPI_GET_OBJECT_TYPE (dest_desc)) {
 	case ACPI_TYPE_BUFFER:
-
-		dest_desc->buffer.node = NULL;
-		dest_desc->common.flags = source_desc->common.flags;
-
 		/*
 		 * Allocate and copy the actual buffer if and only if:
 		 * 1) There is a valid buffer pointer
-		 * 2) The buffer is not static (not in an ACPI table) (in this case,
-		 *    the actual pointer was already copied above)
+		 * 2) The buffer has a length > 0
 		 */
 		if ((source_desc->buffer.pointer) &&
-			(!(source_desc->common.flags & AOPOBJ_STATIC_POINTER))) {
-			dest_desc->buffer.pointer = NULL;
-
-			/* Create an actual buffer only if length > 0 */
-
-			if (source_desc->buffer.length) {
-				dest_desc->buffer.pointer =
-					ACPI_MEM_ALLOCATE (source_desc->buffer.length);
-				if (!dest_desc->buffer.pointer) {
-					return (AE_NO_MEMORY);
-				}
+			(source_desc->buffer.length)) {
+			dest_desc->buffer.pointer =
+				ACPI_MEM_ALLOCATE (source_desc->buffer.length);
+			if (!dest_desc->buffer.pointer) {
+				return (AE_NO_MEMORY);
+			}
 
-				/* Copy the actual buffer data */
+			/* Copy the actual buffer data */
 
-				ACPI_MEMCPY (dest_desc->buffer.pointer,
-						source_desc->buffer.pointer,
-						source_desc->buffer.length);
-			}
+			ACPI_MEMCPY (dest_desc->buffer.pointer,
+					source_desc->buffer.pointer,
+					source_desc->buffer.length);
 		}
 		break;
 
 	case ACPI_TYPE_STRING:
-
 		/*
 		 * Allocate and copy the actual string if and only if:
 		 * 1) There is a valid string pointer
-		 * 2) The string is not static (not in an ACPI table) (in this case,
-		 *    the actual pointer was already copied above)
+		 * (Pointer to a NULL string is allowed)
 		 */
-		if ((source_desc->string.pointer) &&
-			(!(source_desc->common.flags & AOPOBJ_STATIC_POINTER))) {
+		if (source_desc->string.pointer) {
 			dest_desc->string.pointer =
 				ACPI_MEM_ALLOCATE ((acpi_size) source_desc->string.length + 1);
 			if (!dest_desc->string.pointer) {
 				return (AE_NO_MEMORY);
 			}
 
+			/* Copy the actual string data */
+
 			ACPI_MEMCPY (dest_desc->string.pointer, source_desc->string.pointer,
 					  (acpi_size) source_desc->string.length + 1);
 		}
diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c
index 794c7df3f2a..c27cbb7f5c5 100644
--- a/drivers/acpi/utilities/utdebug.c
+++ b/drivers/acpi/utilities/utdebug.c
@@ -55,6 +55,12 @@ static u32   acpi_gbl_prev_thread_id = 0xFFFFFFFF;
 static char     *acpi_gbl_fn_entry_str = "----Entry";
 static char     *acpi_gbl_fn_exit_str = "----Exit-";
 
+/* Local prototypes */
+
+static const char *
+acpi_ut_trim_function_name (
+	const char                      *function_name);
+
 
 /*******************************************************************************
  *
@@ -72,7 +78,7 @@ void
 acpi_ut_init_stack_ptr_trace (
 	void)
 {
-	u32                         current_sp;
+	u32                             current_sp;
 
 
 	acpi_gbl_entry_stack_pointer = ACPI_PTR_DIFF (&current_sp, NULL);
@@ -95,7 +101,7 @@ void
 acpi_ut_track_stack_ptr (
 	void)
 {
-	acpi_size                   current_sp;
+	acpi_size                       current_sp;
 
 
 	current_sp = ACPI_PTR_DIFF (&current_sp, NULL);
@@ -112,14 +118,50 @@ acpi_ut_track_stack_ptr (
 
 /*******************************************************************************
  *
+ * FUNCTION:    acpi_ut_trim_function_name
+ *
+ * PARAMETERS:  function_name       - Ascii string containing a procedure name
+ *
+ * RETURN:      Updated pointer to the function name
+ *
+ * DESCRIPTION: Remove the "Acpi" prefix from the function name, if present.
+ *              This allows compiler macros such as __FUNCTION__ to be used
+ *              with no change to the debug output.
+ *
+ ******************************************************************************/
+
+static const char *
+acpi_ut_trim_function_name (
+	const char                      *function_name)
+{
+
+	/* All Function names are longer than 4 chars, check is safe */
+
+	if (*(ACPI_CAST_PTR (u32, function_name)) == ACPI_FUNCTION_PREFIX1) {
+		/* This is the case where the original source has not been modified */
+
+		return (function_name + 4);
+	}
+
+	if (*(ACPI_CAST_PTR (u32, function_name)) == ACPI_FUNCTION_PREFIX2) {
+		/* This is the case where the source has been 'linuxized' */
+
+		return (function_name + 5);
+	}
+
+	return (function_name);
+}
+
+
+/*******************************************************************************
+ *
  * FUNCTION:    acpi_ut_debug_print
  *
  * PARAMETERS:  requested_debug_level - Requested debug print level
  *              line_number         - Caller's line number (for error output)
- *              dbg_info            - Contains:
- *                  proc_name           - Caller's procedure name
- *                  module_name         - Caller's module name
- *                  component_id        - Caller's component ID
+ *              function_name       - Caller's procedure name
+ *              module_name         - Caller's module name
+ *              component_id        - Caller's component ID
  *              Format              - Printf format field
  *              ...                 - Optional printf arguments
  *
@@ -134,7 +176,9 @@ void  ACPI_INTERNAL_VAR_XFACE
 acpi_ut_debug_print (
 	u32                             requested_debug_level,
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info,
+	const char                      *function_name,
+	char                            *module_name,
+	u32                             component_id,
 	char                            *format,
 	...)
 {
@@ -146,7 +190,7 @@ acpi_ut_debug_print (
 	 * Stay silent if the debug level or component ID is disabled
 	 */
 	if (!(requested_debug_level & acpi_dbg_level) ||
-		!(dbg_info->component_id & acpi_dbg_layer)) {
+		!(component_id & acpi_dbg_layer)) {
 		return;
 	}
 
@@ -169,14 +213,14 @@ acpi_ut_debug_print (
 	 * Display the module name, current line number, thread ID (if requested),
 	 * current procedure nesting level, and the current procedure name
 	 */
-	acpi_os_printf ("%8s-%04ld ", dbg_info->module_name, line_number);
+	acpi_os_printf ("%8s-%04ld ", module_name, line_number);
 
 	if (ACPI_LV_THREADS & acpi_dbg_level) {
 		acpi_os_printf ("[%04lX] ", thread_id);
 	}
 
 	acpi_os_printf ("[%02ld] %-22.22s: ",
-		acpi_gbl_nesting_level, dbg_info->proc_name);
+		acpi_gbl_nesting_level, acpi_ut_trim_function_name (function_name));
 
 	va_start (args, format);
 	acpi_os_vprintf (format, args);
@@ -190,10 +234,9 @@ EXPORT_SYMBOL(acpi_ut_debug_print);
  *
  * PARAMETERS:  requested_debug_level - Requested debug print level
  *              line_number         - Caller's line number
- *              dbg_info            - Contains:
- *                  proc_name           - Caller's procedure name
- *                  module_name         - Caller's module name
- *                  component_id        - Caller's component ID
+ *              function_name       - Caller's procedure name
+ *              module_name         - Caller's module name
+ *              component_id        - Caller's component ID
  *              Format              - Printf format field
  *              ...                 - Optional printf arguments
  *
@@ -208,7 +251,9 @@ void  ACPI_INTERNAL_VAR_XFACE
 acpi_ut_debug_print_raw (
 	u32                             requested_debug_level,
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info,
+	const char                      *function_name,
+	char                            *module_name,
+	u32                             component_id,
 	char                            *format,
 	...)
 {
@@ -216,7 +261,7 @@ acpi_ut_debug_print_raw (
 
 
 	if (!(requested_debug_level & acpi_dbg_level) ||
-		!(dbg_info->component_id & acpi_dbg_layer)) {
+		!(component_id & acpi_dbg_layer)) {
 		return;
 	}
 
@@ -231,10 +276,9 @@ EXPORT_SYMBOL(acpi_ut_debug_print_raw);
  * FUNCTION:    acpi_ut_trace
  *
  * PARAMETERS:  line_number         - Caller's line number
- *              dbg_info            - Contains:
- *                  proc_name           - Caller's procedure name
- *                  module_name         - Caller's module name
- *                  component_id        - Caller's component ID
+ *              function_name       - Caller's procedure name
+ *              module_name         - Caller's module name
+ *              component_id        - Caller's component ID
  *
  * RETURN:      None
  *
@@ -246,14 +290,17 @@ EXPORT_SYMBOL(acpi_ut_debug_print_raw);
 void
 acpi_ut_trace (
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info)
+	const char                      *function_name,
+	char                            *module_name,
+	u32                             component_id)
 {
 
 	acpi_gbl_nesting_level++;
 	acpi_ut_track_stack_ptr ();
 
-	acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
-			"%s\n", acpi_gbl_fn_entry_str);
+	acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
+		line_number, function_name, module_name, component_id,
+		"%s\n", acpi_gbl_fn_entry_str);
 }
 EXPORT_SYMBOL(acpi_ut_trace);
 
@@ -263,10 +310,9 @@ EXPORT_SYMBOL(acpi_ut_trace);
  * FUNCTION:    acpi_ut_trace_ptr
  *
  * PARAMETERS:  line_number         - Caller's line number
- *              dbg_info            - Contains:
- *                  proc_name           - Caller's procedure name
- *                  module_name         - Caller's module name
- *                  component_id        - Caller's component ID
+ *              function_name       - Caller's procedure name
+ *              module_name         - Caller's module name
+ *              component_id        - Caller's component ID
  *              Pointer             - Pointer to display
  *
  * RETURN:      None
@@ -279,14 +325,17 @@ EXPORT_SYMBOL(acpi_ut_trace);
 void
 acpi_ut_trace_ptr (
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info,
+	const char                      *function_name,
+	char                            *module_name,
+	u32                             component_id,
 	void                            *pointer)
 {
 	acpi_gbl_nesting_level++;
 	acpi_ut_track_stack_ptr ();
 
-	acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
-			"%s %p\n", acpi_gbl_fn_entry_str, pointer);
+	acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
+		line_number, function_name, module_name, component_id,
+		"%s %p\n", acpi_gbl_fn_entry_str, pointer);
 }
 
 
@@ -295,10 +344,9 @@ acpi_ut_trace_ptr (
  * FUNCTION:    acpi_ut_trace_str
  *
  * PARAMETERS:  line_number         - Caller's line number
- *              dbg_info            - Contains:
- *                  proc_name           - Caller's procedure name
- *                  module_name         - Caller's module name
- *                  component_id        - Caller's component ID
+ *              function_name       - Caller's procedure name
+ *              module_name         - Caller's module name
+ *              component_id        - Caller's component ID
  *              String              - Additional string to display
  *
  * RETURN:      None
@@ -311,15 +359,18 @@ acpi_ut_trace_ptr (
 void
 acpi_ut_trace_str (
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info,
+	const char                      *function_name,
+	char                            *module_name,
+	u32                             component_id,
 	char                            *string)
 {
 
 	acpi_gbl_nesting_level++;
 	acpi_ut_track_stack_ptr ();
 
-	acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
-			"%s %s\n", acpi_gbl_fn_entry_str, string);
+	acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
+		line_number, function_name, module_name, component_id,
+		"%s %s\n", acpi_gbl_fn_entry_str, string);
 }
 
 
@@ -328,10 +379,9 @@ acpi_ut_trace_str (
  * FUNCTION:    acpi_ut_trace_u32
  *
  * PARAMETERS:  line_number         - Caller's line number
- *              dbg_info            - Contains:
- *                  proc_name           - Caller's procedure name
- *                  module_name         - Caller's module name
- *                  component_id        - Caller's component ID
+ *              function_name       - Caller's procedure name
+ *              module_name         - Caller's module name
+ *              component_id        - Caller's component ID
  *              Integer             - Integer to display
  *
  * RETURN:      None
@@ -344,15 +394,18 @@ acpi_ut_trace_str (
 void
 acpi_ut_trace_u32 (
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info,
+	const char                      *function_name,
+	char                            *module_name,
+	u32                             component_id,
 	u32                             integer)
 {
 
 	acpi_gbl_nesting_level++;
 	acpi_ut_track_stack_ptr ();
 
-	acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
-			"%s %08X\n", acpi_gbl_fn_entry_str, integer);
+	acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
+		line_number, function_name, module_name, component_id,
+		"%s %08X\n", acpi_gbl_fn_entry_str, integer);
 }
 
 
@@ -361,10 +414,9 @@ acpi_ut_trace_u32 (
  * FUNCTION:    acpi_ut_exit
  *
  * PARAMETERS:  line_number         - Caller's line number
- *              dbg_info            - Contains:
- *                  proc_name           - Caller's procedure name
- *                  module_name         - Caller's module name
- *                  component_id        - Caller's component ID
+ *              function_name       - Caller's procedure name
+ *              module_name         - Caller's module name
+ *              component_id        - Caller's component ID
  *
  * RETURN:      None
  *
@@ -376,11 +428,14 @@ acpi_ut_trace_u32 (
 void
 acpi_ut_exit (
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info)
+	const char                      *function_name,
+	char                            *module_name,
+	u32                             component_id)
 {
 
-	acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
-			"%s\n", acpi_gbl_fn_exit_str);
+	acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
+		line_number, function_name, module_name, component_id,
+		"%s\n", acpi_gbl_fn_exit_str);
 
 	acpi_gbl_nesting_level--;
 }
@@ -392,10 +447,9 @@ EXPORT_SYMBOL(acpi_ut_exit);
  * FUNCTION:    acpi_ut_status_exit
  *
  * PARAMETERS:  line_number         - Caller's line number
- *              dbg_info            - Contains:
- *                  proc_name           - Caller's procedure name
- *                  module_name         - Caller's module name
- *                  component_id        - Caller's component ID
+ *              function_name       - Caller's procedure name
+ *              module_name         - Caller's module name
+ *              component_id        - Caller's component ID
  *              Status              - Exit status code
  *
  * RETURN:      None
@@ -408,19 +462,23 @@ EXPORT_SYMBOL(acpi_ut_exit);
 void
 acpi_ut_status_exit (
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info,
+	const char                      *function_name,
+	char                            *module_name,
+	u32                             component_id,
 	acpi_status                     status)
 {
 
 	if (ACPI_SUCCESS (status)) {
-		acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
-				"%s %s\n", acpi_gbl_fn_exit_str,
-				acpi_format_exception (status));
+		acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
+			line_number, function_name, module_name, component_id,
+			"%s %s\n", acpi_gbl_fn_exit_str,
+			acpi_format_exception (status));
 	}
 	else {
-		acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
-				"%s ****Exception****: %s\n", acpi_gbl_fn_exit_str,
-				acpi_format_exception (status));
+		acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
+			line_number, function_name, module_name, component_id,
+			"%s ****Exception****: %s\n", acpi_gbl_fn_exit_str,
+			acpi_format_exception (status));
 	}
 
 	acpi_gbl_nesting_level--;
@@ -433,10 +491,9 @@ EXPORT_SYMBOL(acpi_ut_status_exit);
  * FUNCTION:    acpi_ut_value_exit
  *
  * PARAMETERS:  line_number         - Caller's line number
- *              dbg_info            - Contains:
- *                  proc_name           - Caller's procedure name
- *                  module_name         - Caller's module name
- *                  component_id        - Caller's component ID
+ *              function_name       - Caller's procedure name
+ *              module_name         - Caller's module name
+ *              component_id        - Caller's component ID
  *              Value               - Value to be printed with exit msg
  *
  * RETURN:      None
@@ -449,13 +506,16 @@ EXPORT_SYMBOL(acpi_ut_status_exit);
 void
 acpi_ut_value_exit (
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info,
+	const char                      *function_name,
+	char                            *module_name,
+	u32                             component_id,
 	acpi_integer                    value)
 {
 
-	acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
-			"%s %8.8X%8.8X\n", acpi_gbl_fn_exit_str,
-			ACPI_FORMAT_UINT64 (value));
+	acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
+		line_number, function_name, module_name, component_id,
+		"%s %8.8X%8.8X\n", acpi_gbl_fn_exit_str,
+		ACPI_FORMAT_UINT64 (value));
 
 	acpi_gbl_nesting_level--;
 }
@@ -467,10 +527,9 @@ EXPORT_SYMBOL(acpi_ut_value_exit);
  * FUNCTION:    acpi_ut_ptr_exit
  *
  * PARAMETERS:  line_number         - Caller's line number
- *              dbg_info            - Contains:
- *                  proc_name           - Caller's procedure name
- *                  module_name         - Caller's module name
- *                  component_id        - Caller's component ID
+ *              function_name       - Caller's procedure name
+ *              module_name         - Caller's module name
+ *              component_id        - Caller's component ID
  *              Ptr                 - Pointer to display
  *
  * RETURN:      None
@@ -483,12 +542,15 @@ EXPORT_SYMBOL(acpi_ut_value_exit);
 void
 acpi_ut_ptr_exit (
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info,
+	const char                      *function_name,
+	char                            *module_name,
+	u32                             component_id,
 	u8                              *ptr)
 {
 
-	acpi_ut_debug_print (ACPI_LV_FUNCTIONS, line_number, dbg_info,
-			"%s %p\n", acpi_gbl_fn_exit_str, ptr);
+	acpi_ut_debug_print (ACPI_LV_FUNCTIONS,
+		line_number, function_name, module_name, component_id,
+		"%s %p\n", acpi_gbl_fn_exit_str, ptr);
 
 	acpi_gbl_nesting_level--;
 }
@@ -549,7 +611,7 @@ acpi_ut_dump_buffer (
 				/* Dump fill spaces */
 
 				acpi_os_printf ("%*s", ((display * 2) + 1), " ");
-				j += display;
+				j += (acpi_native_uint) display;
 				continue;
 			}
 
@@ -584,12 +646,12 @@ acpi_ut_dump_buffer (
 				break;
 			}
 
-			j += display;
+			j += (acpi_native_uint) display;
 		}
 
 		/*
-		 * Print the ASCII equivalent characters
-		 * But watch out for the bad unprintable ones...
+		 * Print the ASCII equivalent characters but watch out for the bad
+		 * unprintable ones (printable chars are 0x20 through 0x7E)
 		 */
 		acpi_os_printf (" ");
 		for (j = 0; j < 16; j++) {
@@ -599,9 +661,7 @@ acpi_ut_dump_buffer (
 			}
 
 			buf_char = buffer[i + j];
-			if ((buf_char > 0x1F && buf_char < 0x2E) ||
-				(buf_char > 0x2F && buf_char < 0x61) ||
-				(buf_char > 0x60 && buf_char < 0x7F)) {
+			if (ACPI_IS_PRINT (buf_char)) {
 				acpi_os_printf ("%c", buf_char);
 			}
 			else {
diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c
index bc540302268..eeafb324c50 100644
--- a/drivers/acpi/utilities/utdelete.c
+++ b/drivers/acpi/utilities/utdelete.c
@@ -435,35 +435,24 @@ acpi_ut_update_object_reference (
 	union acpi_operand_object       *object,
 	u16                             action)
 {
-	acpi_status                     status;
-	u32                             i;
-	union acpi_generic_state         *state_list = NULL;
-	union acpi_generic_state         *state;
-	union acpi_operand_object        *tmp;
-
-	ACPI_FUNCTION_TRACE_PTR ("ut_update_object_reference", object);
+	acpi_status                     status = AE_OK;
+	union acpi_generic_state        *state_list = NULL;
+	union acpi_operand_object       *next_object = NULL;
+	union acpi_generic_state        *state;
+	acpi_native_uint                i;
 
 
-	/* Ignore a null object ptr */
-
-	if (!object) {
-		return_ACPI_STATUS (AE_OK);
-	}
+	ACPI_FUNCTION_TRACE_PTR ("ut_update_object_reference", object);
 
-	/* Make sure that this isn't a namespace handle */
 
-	if (ACPI_GET_DESCRIPTOR_TYPE (object) == ACPI_DESC_TYPE_NAMED) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
-			"Object %p is NS handle\n", object));
-		return_ACPI_STATUS (AE_OK);
-	}
+	while (object) {
+		/* Make sure that this isn't a namespace handle */
 
-	state = acpi_ut_create_update_state (object, action);
-
-	while (state) {
-		object = state->update.object;
-		action = state->update.value;
-		acpi_ut_delete_generic_state (state);
+		if (ACPI_GET_DESCRIPTOR_TYPE (object) == ACPI_DESC_TYPE_NAMED) {
+			ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
+				"Object %p is NS handle\n", object));
+			return_ACPI_STATUS (AE_OK);
+		}
 
 		/*
 		 * All sub-objects must have their reference count incremented also.
@@ -472,24 +461,14 @@ acpi_ut_update_object_reference (
 		switch (ACPI_GET_OBJECT_TYPE (object)) {
 		case ACPI_TYPE_DEVICE:
 
-			tmp = object->device.system_notify;
-			if (tmp && (tmp->common.reference_count <= 1) && action == REF_DECREMENT)
-				object->device.system_notify = NULL;
-			acpi_ut_update_ref_count (tmp, action);
-
-			tmp = object->device.device_notify;
-			if (tmp && (tmp->common.reference_count <= 1) && action == REF_DECREMENT)
-				object->device.device_notify = NULL;
-			acpi_ut_update_ref_count (tmp, action);
-
+			acpi_ut_update_ref_count (object->device.system_notify, action);
+			acpi_ut_update_ref_count (object->device.device_notify, action);
 			break;
 
-
 		case ACPI_TYPE_PACKAGE:
-
 			/*
-			 * We must update all the sub-objects of the package
-			 * (Each of whom may have their own sub-objects, etc.
+			 * We must update all the sub-objects of the package,
+			 * each of whom may have their own sub-objects.
 			 */
 			for (i = 0; i < object->package.count; i++) {
 				/*
@@ -502,111 +481,52 @@ acpi_ut_update_object_reference (
 				if (ACPI_FAILURE (status)) {
 					goto error_exit;
 				}
-
-				tmp = object->package.elements[i];
-				if (tmp && (tmp->common.reference_count <= 1)  && action == REF_DECREMENT)
-					object->package.elements[i] = NULL;
 			}
 			break;
 
-
 		case ACPI_TYPE_BUFFER_FIELD:
 
-			status = acpi_ut_create_update_state_and_push (
-					 object->buffer_field.buffer_obj, action, &state_list);
-			if (ACPI_FAILURE (status)) {
-				goto error_exit;
-			}
-
-			tmp = object->buffer_field.buffer_obj;
-			if ( tmp && (tmp->common.reference_count <= 1)  && action == REF_DECREMENT)
-				object->buffer_field.buffer_obj = NULL;
+			next_object = object->buffer_field.buffer_obj;
 			break;
 
-
 		case ACPI_TYPE_LOCAL_REGION_FIELD:
 
-			status = acpi_ut_create_update_state_and_push (
-					 object->field.region_obj, action, &state_list);
-			if (ACPI_FAILURE (status)) {
-				goto error_exit;
-			}
-
-			tmp = object->field.region_obj;
-			if ( tmp && (tmp->common.reference_count <= 1)  && action == REF_DECREMENT)
-				object->field.region_obj = NULL;
-		   break;
-
+			next_object = object->field.region_obj;
+			break;
 
 		case ACPI_TYPE_LOCAL_BANK_FIELD:
 
-			status = acpi_ut_create_update_state_and_push (
-					 object->bank_field.bank_obj, action, &state_list);
-			if (ACPI_FAILURE (status)) {
-				goto error_exit;
-			}
-
-			tmp = object->bank_field.bank_obj;
-			if ( tmp && (tmp->common.reference_count <= 1)  && action == REF_DECREMENT)
-				object->bank_field.bank_obj = NULL;
-
+			next_object = object->bank_field.bank_obj;
 			status = acpi_ut_create_update_state_and_push (
 					 object->bank_field.region_obj, action, &state_list);
 			if (ACPI_FAILURE (status)) {
 				goto error_exit;
 			}
-
-			tmp = object->bank_field.region_obj;
-			if ( tmp && (tmp->common.reference_count <= 1)  && action == REF_DECREMENT)
-				object->bank_field.region_obj = NULL;
 			break;
 
-
 		case ACPI_TYPE_LOCAL_INDEX_FIELD:
 
-			status = acpi_ut_create_update_state_and_push (
-					 object->index_field.index_obj, action, &state_list);
-			if (ACPI_FAILURE (status)) {
-				goto error_exit;
-			}
-
-			tmp = object->index_field.index_obj;
-			if ( tmp && (tmp->common.reference_count <= 1)  && action == REF_DECREMENT)
-				object->index_field.index_obj = NULL;
-
+			next_object = object->index_field.index_obj;
 			status = acpi_ut_create_update_state_and_push (
 					 object->index_field.data_obj, action, &state_list);
 			if (ACPI_FAILURE (status)) {
 				goto error_exit;
 			}
-
-			tmp = object->index_field.data_obj;
-			if ( tmp && (tmp->common.reference_count <= 1)  && action == REF_DECREMENT)
-				object->index_field.data_obj = NULL;
 			break;
 
-
 		case ACPI_TYPE_LOCAL_REFERENCE:
-
 			/*
 			 * The target of an Index (a package, string, or buffer) must track
 			 * changes to the ref count of the index.
 			 */
 			if (object->reference.opcode == AML_INDEX_OP) {
-				status = acpi_ut_create_update_state_and_push (
-						 object->reference.object, action, &state_list);
-				if (ACPI_FAILURE (status)) {
-					goto error_exit;
-				}
+				next_object = object->reference.object;
 			}
 			break;
 
-
 		case ACPI_TYPE_REGION:
 		default:
-
-			/* No subobjects */
-			break;
+			break;/* No subobjects */
 		}
 
 		/*
@@ -615,15 +535,23 @@ acpi_ut_update_object_reference (
 		 * main object to be deleted.
 		 */
 		acpi_ut_update_ref_count (object, action);
+		object = NULL;
 
 		/* Move on to the next object to be updated */
 
-		state = acpi_ut_pop_generic_state (&state_list);
+		if (next_object) {
+			object = next_object;
+			next_object = NULL;
+		}
+		else if (state_list) {
+			state = acpi_ut_pop_generic_state (&state_list);
+			object = state->update.object;
+			acpi_ut_delete_generic_state (state);
+		}
 	}
 
 	return_ACPI_STATUS (AE_OK);
 
-
 error_exit:
 
 	ACPI_REPORT_ERROR (("Could not update object reference count, %s\n",
diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c
index 4146019b543..0e4161c8107 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/utilities/utglobal.c
@@ -738,73 +738,6 @@ acpi_ut_valid_object_type (
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ut_allocate_owner_id
- *
- * PARAMETERS:  id_type         - Type of ID (method or table)
- *
- * DESCRIPTION: Allocate a table or method owner id
- *
- * NOTE: this algorithm has a wraparound problem at 64_k method invocations, and
- *       should be revisited (TBD)
- *
- ******************************************************************************/
-
-acpi_owner_id
-acpi_ut_allocate_owner_id (
-	u32                             id_type)
-{
-	acpi_owner_id                   owner_id = 0xFFFF;
-
-
-	ACPI_FUNCTION_TRACE ("ut_allocate_owner_id");
-
-
-	if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES)))
-	{
-		return (0);
-	}
-
-	switch (id_type)
-	{
-	case ACPI_OWNER_TYPE_TABLE:
-
-		owner_id = acpi_gbl_next_table_owner_id;
-		acpi_gbl_next_table_owner_id++;
-
-		/* Check for wraparound */
-
-		if (acpi_gbl_next_table_owner_id == ACPI_FIRST_METHOD_ID)
-		{
-			acpi_gbl_next_table_owner_id = ACPI_FIRST_TABLE_ID;
-			ACPI_REPORT_WARNING (("Table owner ID wraparound\n"));
-		}
-		break;
-
-
-	case ACPI_OWNER_TYPE_METHOD:
-
-		owner_id = acpi_gbl_next_method_owner_id;
-		acpi_gbl_next_method_owner_id++;
-
-		if (acpi_gbl_next_method_owner_id == ACPI_FIRST_TABLE_ID)
-		{
-			/* Check for wraparound */
-
-			acpi_gbl_next_method_owner_id = ACPI_FIRST_METHOD_ID;
-		}
-		break;
-
-	default:
-		break;
-	}
-
-	(void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
-	return_VALUE (owner_id);
-}
-
-
-/*******************************************************************************
- *
  * FUNCTION:    acpi_ut_init_globals
  *
  * PARAMETERS:  None
@@ -820,42 +753,20 @@ void
 acpi_ut_init_globals (
 	void)
 {
+	acpi_status                     status;
 	u32                             i;
 
 
 	ACPI_FUNCTION_TRACE ("ut_init_globals");
 
 
-	/* Memory allocation and cache lists */
-
-	ACPI_MEMSET (acpi_gbl_memory_lists, 0, sizeof (struct acpi_memory_list) * ACPI_NUM_MEM_LISTS);
+	/* Create all memory caches */
 
-	acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].link_offset      = (u16) ACPI_PTR_DIFF (&(((union acpi_generic_state *) NULL)->common.next), NULL);
-	acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].link_offset     = (u16) ACPI_PTR_DIFF (&(((union acpi_parse_object *) NULL)->common.next), NULL);
-	acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].link_offset = (u16) ACPI_PTR_DIFF (&(((union acpi_parse_object *) NULL)->common.next), NULL);
-	acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].link_offset    = (u16) ACPI_PTR_DIFF (&(((union acpi_operand_object *) NULL)->cache.next), NULL);
-	acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].link_offset       = (u16) ACPI_PTR_DIFF (&(((struct acpi_walk_state *) NULL)->next), NULL);
-
-	acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].object_size     = sizeof (struct acpi_namespace_node);
-	acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].object_size      = sizeof (union acpi_generic_state);
-	acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].object_size     = sizeof (struct acpi_parse_obj_common);
-	acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].object_size = sizeof (struct acpi_parse_obj_named);
-	acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].object_size    = sizeof (union acpi_operand_object);
-	acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].object_size       = sizeof (struct acpi_walk_state);
-
-	acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].max_cache_depth  = ACPI_MAX_STATE_CACHE_DEPTH;
-	acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].max_cache_depth = ACPI_MAX_PARSE_CACHE_DEPTH;
-	acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].max_cache_depth = ACPI_MAX_EXTPARSE_CACHE_DEPTH;
-	acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].max_cache_depth = ACPI_MAX_OBJECT_CACHE_DEPTH;
-	acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].max_cache_depth   = ACPI_MAX_WALK_CACHE_DEPTH;
-
-	ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].list_name    = "Global Memory Allocation");
-	ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_NSNODE].list_name    = "Namespace Nodes");
-	ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_STATE].list_name     = "State Object Cache");
-	ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE].list_name    = "Parse Node Cache");
-	ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_PSNODE_EXT].list_name = "Extended Parse Node Cache");
-	ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_OPERAND].list_name   = "Operand Object Cache");
-	ACPI_MEM_TRACKING (acpi_gbl_memory_lists[ACPI_MEM_LIST_WALK].list_name      = "Tree Walk Node Cache");
+	status = acpi_ut_create_caches ();
+	if (ACPI_FAILURE (status))
+	{
+		return;
+	}
 
 	/* ACPI table structure */
 
@@ -870,7 +781,7 @@ acpi_ut_init_globals (
 	for (i = 0; i < NUM_MUTEX; i++)
 	{
 		acpi_gbl_mutex_info[i].mutex        = NULL;
-		acpi_gbl_mutex_info[i].owner_id     = ACPI_MUTEX_NOT_ACQUIRED;
+		acpi_gbl_mutex_info[i].thread_id    = ACPI_MUTEX_NOT_ACQUIRED;
 		acpi_gbl_mutex_info[i].use_count    = 0;
 	}
 
@@ -911,8 +822,7 @@ acpi_ut_init_globals (
 	acpi_gbl_ns_lookup_count            = 0;
 	acpi_gbl_ps_find_count              = 0;
 	acpi_gbl_acpi_hardware_present      = TRUE;
-	acpi_gbl_next_table_owner_id        = ACPI_FIRST_TABLE_ID;
-	acpi_gbl_next_method_owner_id       = ACPI_FIRST_METHOD_ID;
+	acpi_gbl_owner_id_mask              = 0;
 	acpi_gbl_debugger_configuration     = DEBUGGER_THREADING;
 	acpi_gbl_db_output_flags            = ACPI_DB_CONSOLE_OUTPUT;
 
diff --git a/drivers/acpi/utilities/utinit.c b/drivers/acpi/utilities/utinit.c
index 7f3713889ff..fd7ceba8322 100644
--- a/drivers/acpi/utilities/utinit.c
+++ b/drivers/acpi/utilities/utinit.c
@@ -264,7 +264,7 @@ acpi_ut_subsystem_shutdown (
 
 	/* Purge the local caches */
 
-	(void) acpi_purge_cached_objects ();
+	(void) acpi_ut_delete_caches ();
 
 	/* Debug only - display leftover memory allocation, if any */
 
diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c
index f6de4ed3d52..1d350b302a3 100644
--- a/drivers/acpi/utilities/utmisc.c
+++ b/drivers/acpi/utilities/utmisc.c
@@ -49,15 +49,121 @@
 #define _COMPONENT          ACPI_UTILITIES
 	 ACPI_MODULE_NAME    ("utmisc")
 
-/* Local prototypes */
 
-static acpi_status
-acpi_ut_create_mutex (
-	acpi_mutex_handle               mutex_id);
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_allocate_owner_id
+ *
+ * PARAMETERS:  owner_id        - Where the new owner ID is returned
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Allocate a table or method owner ID. The owner ID is used to
+ *              track objects created by the table or method, to be deleted
+ *              when the method exits or the table is unloaded.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_allocate_owner_id (
+	acpi_owner_id                   *owner_id)
+{
+	acpi_native_uint                i;
+	acpi_status                     status;
+
+
+	ACPI_FUNCTION_TRACE ("ut_allocate_owner_id");
 
-static acpi_status
-acpi_ut_delete_mutex (
-	acpi_mutex_handle               mutex_id);
+
+	/* Mutex for the global ID mask */
+
+	status = acpi_ut_acquire_mutex (ACPI_MTX_CACHES);
+	if (ACPI_FAILURE (status)) {
+		return_ACPI_STATUS (status);
+	}
+
+	/* Find a free owner ID */
+
+	for (i = 0; i < 32; i++) {
+		if (!(acpi_gbl_owner_id_mask & (1 << i))) {
+			acpi_gbl_owner_id_mask |= (1 << i);
+			*owner_id = (acpi_owner_id) (i + 1);
+			goto exit;
+		}
+	}
+
+	/*
+	 * If we are here, all owner_ids have been allocated. This probably should
+	 * not happen since the IDs are reused after deallocation. The IDs are
+	 * allocated upon table load (one per table) and method execution, and
+	 * they are released when a table is unloaded or a method completes
+	 * execution.
+	 */
+	*owner_id = 0;
+	status = AE_OWNER_ID_LIMIT;
+	ACPI_REPORT_ERROR ((
+		"Could not allocate new owner_id (32 max), AE_OWNER_ID_LIMIT\n"));
+
+exit:
+	(void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
+	return_ACPI_STATUS (status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_release_owner_id
+ *
+ * PARAMETERS:  owner_id_ptr        - Pointer to a previously allocated owner_iD
+ *
+ * RETURN:      None. No error is returned because we are either exiting a
+ *              control method or unloading a table. Either way, we would
+ *              ignore any error anyway.
+ *
+ * DESCRIPTION: Release a table or method owner ID.  Valid IDs are 1 - 32
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_release_owner_id (
+	acpi_owner_id                   *owner_id_ptr)
+{
+	acpi_owner_id                   owner_id = *owner_id_ptr;
+	acpi_status                     status;
+
+
+	ACPI_FUNCTION_TRACE ("ut_release_owner_id");
+
+
+	/* Always clear the input owner_id (zero is an invalid ID) */
+
+	*owner_id_ptr = 0;
+
+	/* Zero is not a valid owner_iD */
+
+	if ((owner_id == 0) || (owner_id > 32)) {
+		ACPI_REPORT_ERROR (("Invalid owner_id: %2.2X\n", owner_id));
+		return_VOID;
+	}
+
+	/* Mutex for the global ID mask */
+
+	status = acpi_ut_acquire_mutex (ACPI_MTX_CACHES);
+	if (ACPI_FAILURE (status)) {
+		return_VOID;
+	}
+
+	owner_id--; /* Normalize to zero */
+
+	/* Free the owner ID only if it is valid */
+
+	if (acpi_gbl_owner_id_mask & (1 << owner_id)) {
+		acpi_gbl_owner_id_mask ^= (1 << owner_id);
+	}
+
+	(void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
+	return_VOID;
+}
 
 
 /*******************************************************************************
@@ -66,7 +172,7 @@ acpi_ut_delete_mutex (
  *
  * PARAMETERS:  src_string      - The source string to convert
  *
- * RETURN:      Converted src_string (same as input pointer)
+ * RETURN:      None
  *
  * DESCRIPTION: Convert string to uppercase
  *
@@ -74,7 +180,7 @@ acpi_ut_delete_mutex (
  *
  ******************************************************************************/
 
-char *
+void
 acpi_ut_strupr (
 	char                            *src_string)
 {
@@ -84,13 +190,17 @@ acpi_ut_strupr (
 	ACPI_FUNCTION_ENTRY ();
 
 
+	if (!src_string) {
+		return;
+	}
+
 	/* Walk entire string, uppercasing the letters */
 
 	for (string = src_string; *string; string++) {
 		*string = (char) ACPI_TOUPPER (*string);
 	}
 
-	return (src_string);
+	return;
 }
 
 
@@ -543,320 +653,6 @@ error_exit:
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ut_mutex_initialize
- *
- * PARAMETERS:  None.
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Create the system mutex objects.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ut_mutex_initialize (
-	void)
-{
-	u32                             i;
-	acpi_status                     status;
-
-
-	ACPI_FUNCTION_TRACE ("ut_mutex_initialize");
-
-
-	/*
-	 * Create each of the predefined mutex objects
-	 */
-	for (i = 0; i < NUM_MUTEX; i++) {
-		status = acpi_ut_create_mutex (i);
-		if (ACPI_FAILURE (status)) {
-			return_ACPI_STATUS (status);
-		}
-	}
-
-	status = acpi_os_create_lock (&acpi_gbl_gpe_lock);
-	return_ACPI_STATUS (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_mutex_terminate
- *
- * PARAMETERS:  None.
- *
- * RETURN:      None.
- *
- * DESCRIPTION: Delete all of the system mutex objects.
- *
- ******************************************************************************/
-
-void
-acpi_ut_mutex_terminate (
-	void)
-{
-	u32                             i;
-
-
-	ACPI_FUNCTION_TRACE ("ut_mutex_terminate");
-
-
-	/*
-	 * Delete each predefined mutex object
-	 */
-	for (i = 0; i < NUM_MUTEX; i++) {
-		(void) acpi_ut_delete_mutex (i);
-	}
-
-	acpi_os_delete_lock (acpi_gbl_gpe_lock);
-	return_VOID;
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_create_mutex
- *
- * PARAMETERS:  mutex_iD        - ID of the mutex to be created
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Create a mutex object.
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ut_create_mutex (
-	acpi_mutex_handle               mutex_id)
-{
-	acpi_status                     status = AE_OK;
-
-
-	ACPI_FUNCTION_TRACE_U32 ("ut_create_mutex", mutex_id);
-
-
-	if (mutex_id > MAX_MUTEX) {
-		return_ACPI_STATUS (AE_BAD_PARAMETER);
-	}
-
-	if (!acpi_gbl_mutex_info[mutex_id].mutex) {
-		status = acpi_os_create_semaphore (1, 1,
-				  &acpi_gbl_mutex_info[mutex_id].mutex);
-		acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
-		acpi_gbl_mutex_info[mutex_id].use_count = 0;
-	}
-
-	return_ACPI_STATUS (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_delete_mutex
- *
- * PARAMETERS:  mutex_iD        - ID of the mutex to be deleted
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Delete a mutex object.
- *
- ******************************************************************************/
-
-static acpi_status
-acpi_ut_delete_mutex (
-	acpi_mutex_handle               mutex_id)
-{
-	acpi_status                     status;
-
-
-	ACPI_FUNCTION_TRACE_U32 ("ut_delete_mutex", mutex_id);
-
-
-	if (mutex_id > MAX_MUTEX) {
-		return_ACPI_STATUS (AE_BAD_PARAMETER);
-	}
-
-	status = acpi_os_delete_semaphore (acpi_gbl_mutex_info[mutex_id].mutex);
-
-	acpi_gbl_mutex_info[mutex_id].mutex = NULL;
-	acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
-
-	return_ACPI_STATUS (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_acquire_mutex
- *
- * PARAMETERS:  mutex_iD        - ID of the mutex to be acquired
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Acquire a mutex object.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ut_acquire_mutex (
-	acpi_mutex_handle               mutex_id)
-{
-	acpi_status                     status;
-	u32                             this_thread_id;
-
-
-	ACPI_FUNCTION_NAME ("ut_acquire_mutex");
-
-
-	if (mutex_id > MAX_MUTEX) {
-		return (AE_BAD_PARAMETER);
-	}
-
-	this_thread_id = acpi_os_get_thread_id ();
-
-#ifdef ACPI_MUTEX_DEBUG
-	{
-		u32                             i;
-		/*
-		 * Mutex debug code, for internal debugging only.
-		 *
-		 * Deadlock prevention.  Check if this thread owns any mutexes of value
-		 * greater than or equal to this one.  If so, the thread has violated
-		 * the mutex ordering rule.  This indicates a coding error somewhere in
-		 * the ACPI subsystem code.
-		 */
-		for (i = mutex_id; i < MAX_MUTEX; i++) {
-			if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) {
-				if (i == mutex_id) {
-					ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-						"Mutex [%s] already acquired by this thread [%X]\n",
-						acpi_ut_get_mutex_name (mutex_id), this_thread_id));
-
-					return (AE_ALREADY_ACQUIRED);
-				}
-
-				ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-					"Invalid acquire order: Thread %X owns [%s], wants [%s]\n",
-					this_thread_id, acpi_ut_get_mutex_name (i),
-					acpi_ut_get_mutex_name (mutex_id)));
-
-				return (AE_ACQUIRE_DEADLOCK);
-			}
-		}
-	}
-#endif
-
-	ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
-		"Thread %X attempting to acquire Mutex [%s]\n",
-		this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
-
-	status = acpi_os_wait_semaphore (acpi_gbl_mutex_info[mutex_id].mutex,
-			   1, ACPI_WAIT_FOREVER);
-	if (ACPI_SUCCESS (status)) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X acquired Mutex [%s]\n",
-			this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
-
-		acpi_gbl_mutex_info[mutex_id].use_count++;
-		acpi_gbl_mutex_info[mutex_id].owner_id = this_thread_id;
-	}
-	else {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-			"Thread %X could not acquire Mutex [%s] %s\n",
-				this_thread_id, acpi_ut_get_mutex_name (mutex_id),
-				acpi_format_exception (status)));
-	}
-
-	return (status);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_release_mutex
- *
- * PARAMETERS:  mutex_iD        - ID of the mutex to be released
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Release a mutex object.
- *
- ******************************************************************************/
-
-acpi_status
-acpi_ut_release_mutex (
-	acpi_mutex_handle               mutex_id)
-{
-	acpi_status                     status;
-	u32                             i;
-	u32                             this_thread_id;
-
-
-	ACPI_FUNCTION_NAME ("ut_release_mutex");
-
-
-	this_thread_id = acpi_os_get_thread_id ();
-	ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
-		"Thread %X releasing Mutex [%s]\n", this_thread_id,
-		acpi_ut_get_mutex_name (mutex_id)));
-
-	if (mutex_id > MAX_MUTEX) {
-		return (AE_BAD_PARAMETER);
-	}
-
-	/*
-	 * Mutex must be acquired in order to release it!
-	 */
-	if (acpi_gbl_mutex_info[mutex_id].owner_id == ACPI_MUTEX_NOT_ACQUIRED) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-			"Mutex [%s] is not acquired, cannot release\n",
-			acpi_ut_get_mutex_name (mutex_id)));
-
-		return (AE_NOT_ACQUIRED);
-	}
-
-	/*
-	 * Deadlock prevention.  Check if this thread owns any mutexes of value
-	 * greater than this one.  If so, the thread has violated the mutex
-	 * ordering rule.  This indicates a coding error somewhere in
-	 * the ACPI subsystem code.
-	 */
-	for (i = mutex_id; i < MAX_MUTEX; i++) {
-		if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) {
-			if (i == mutex_id) {
-				continue;
-			}
-
-			ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-				"Invalid release order: owns [%s], releasing [%s]\n",
-				acpi_ut_get_mutex_name (i), acpi_ut_get_mutex_name (mutex_id)));
-
-			return (AE_RELEASE_DEADLOCK);
-		}
-	}
-
-	/* Mark unlocked FIRST */
-
-	acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
-
-	status = acpi_os_signal_semaphore (acpi_gbl_mutex_info[mutex_id].mutex, 1);
-
-	if (ACPI_FAILURE (status)) {
-		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
-			"Thread %X could not release Mutex [%s] %s\n",
-			this_thread_id, acpi_ut_get_mutex_name (mutex_id),
-			acpi_format_exception (status)));
-	}
-	else {
-		ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X released Mutex [%s]\n",
-			this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
-	}
-
-	return (status);
-}
-
-
-/*******************************************************************************
- *
  * FUNCTION:    acpi_ut_create_update_state_and_push
  *
  * PARAMETERS:  Object          - Object to be added to the new state
@@ -899,361 +695,6 @@ acpi_ut_create_update_state_and_push (
 
 /*******************************************************************************
  *
- * FUNCTION:    acpi_ut_create_pkg_state_and_push
- *
- * PARAMETERS:  Object          - Object to be added to the new state
- *              Action          - Increment/Decrement
- *              state_list      - List the state will be added to
- *
- * RETURN:      Status
- *
- * DESCRIPTION: Create a new state and push it
- *
- ******************************************************************************/
-
-#ifdef ACPI_FUTURE_USAGE
-acpi_status
-acpi_ut_create_pkg_state_and_push (
-	void                            *internal_object,
-	void                            *external_object,
-	u16                             index,
-	union acpi_generic_state        **state_list)
-{
-	union acpi_generic_state         *state;
-
-
-	ACPI_FUNCTION_ENTRY ();
-
-
-	state = acpi_ut_create_pkg_state (internal_object, external_object, index);
-	if (!state) {
-		return (AE_NO_MEMORY);
-	}
-
-	acpi_ut_push_generic_state (state_list, state);
-	return (AE_OK);
-}
-#endif  /*  ACPI_FUTURE_USAGE  */
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_push_generic_state
- *
- * PARAMETERS:  list_head           - Head of the state stack
- *              State               - State object to push
- *
- * RETURN:      None
- *
- * DESCRIPTION: Push a state object onto a state stack
- *
- ******************************************************************************/
-
-void
-acpi_ut_push_generic_state (
-	union acpi_generic_state        **list_head,
-	union acpi_generic_state        *state)
-{
-	ACPI_FUNCTION_TRACE ("ut_push_generic_state");
-
-
-	/* Push the state object onto the front of the list (stack) */
-
-	state->common.next = *list_head;
-	*list_head = state;
-
-	return_VOID;
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_pop_generic_state
- *
- * PARAMETERS:  list_head           - Head of the state stack
- *
- * RETURN:      The popped state object
- *
- * DESCRIPTION: Pop a state object from a state stack
- *
- ******************************************************************************/
-
-union acpi_generic_state *
-acpi_ut_pop_generic_state (
-	union acpi_generic_state        **list_head)
-{
-	union acpi_generic_state        *state;
-
-
-	ACPI_FUNCTION_TRACE ("ut_pop_generic_state");
-
-
-	/* Remove the state object at the head of the list (stack) */
-
-	state = *list_head;
-	if (state) {
-		/* Update the list head */
-
-		*list_head = state->common.next;
-	}
-
-	return_PTR (state);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_create_generic_state
- *
- * PARAMETERS:  None
- *
- * RETURN:      The new state object. NULL on failure.
- *
- * DESCRIPTION: Create a generic state object.  Attempt to obtain one from
- *              the global state cache;  If none available, create a new one.
- *
- ******************************************************************************/
-
-union acpi_generic_state *
-acpi_ut_create_generic_state (
-	void)
-{
-	union acpi_generic_state        *state;
-
-
-	ACPI_FUNCTION_ENTRY ();
-
-
-	state = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_STATE);
-
-	/* Initialize */
-
-	if (state) {
-		state->common.data_type = ACPI_DESC_TYPE_STATE;
-	}
-
-	return (state);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_create_thread_state
- *
- * PARAMETERS:  None
- *
- * RETURN:      New Thread State. NULL on failure
- *
- * DESCRIPTION: Create a "Thread State" - a flavor of the generic state used
- *              to track per-thread info during method execution
- *
- ******************************************************************************/
-
-struct acpi_thread_state *
-acpi_ut_create_thread_state (
-	void)
-{
-	union acpi_generic_state        *state;
-
-
-	ACPI_FUNCTION_TRACE ("ut_create_thread_state");
-
-
-	/* Create the generic state object */
-
-	state = acpi_ut_create_generic_state ();
-	if (!state) {
-		return_PTR (NULL);
-	}
-
-	/* Init fields specific to the update struct */
-
-	state->common.data_type = ACPI_DESC_TYPE_STATE_THREAD;
-	state->thread.thread_id = acpi_os_get_thread_id ();
-
-	return_PTR ((struct acpi_thread_state *) state);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_create_update_state
- *
- * PARAMETERS:  Object          - Initial Object to be installed in the state
- *              Action          - Update action to be performed
- *
- * RETURN:      New state object, null on failure
- *
- * DESCRIPTION: Create an "Update State" - a flavor of the generic state used
- *              to update reference counts and delete complex objects such
- *              as packages.
- *
- ******************************************************************************/
-
-union acpi_generic_state *
-acpi_ut_create_update_state (
-	union acpi_operand_object       *object,
-	u16                             action)
-{
-	union acpi_generic_state        *state;
-
-
-	ACPI_FUNCTION_TRACE_PTR ("ut_create_update_state", object);
-
-
-	/* Create the generic state object */
-
-	state = acpi_ut_create_generic_state ();
-	if (!state) {
-		return_PTR (NULL);
-	}
-
-	/* Init fields specific to the update struct */
-
-	state->common.data_type = ACPI_DESC_TYPE_STATE_UPDATE;
-	state->update.object = object;
-	state->update.value  = action;
-
-	return_PTR (state);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_create_pkg_state
- *
- * PARAMETERS:  Object          - Initial Object to be installed in the state
- *              Action          - Update action to be performed
- *
- * RETURN:      New state object, null on failure
- *
- * DESCRIPTION: Create a "Package State"
- *
- ******************************************************************************/
-
-union acpi_generic_state *
-acpi_ut_create_pkg_state (
-	void                            *internal_object,
-	void                            *external_object,
-	u16                             index)
-{
-	union acpi_generic_state        *state;
-
-
-	ACPI_FUNCTION_TRACE_PTR ("ut_create_pkg_state", internal_object);
-
-
-	/* Create the generic state object */
-
-	state = acpi_ut_create_generic_state ();
-	if (!state) {
-		return_PTR (NULL);
-	}
-
-	/* Init fields specific to the update struct */
-
-	state->common.data_type = ACPI_DESC_TYPE_STATE_PACKAGE;
-	state->pkg.source_object = (union acpi_operand_object *) internal_object;
-	state->pkg.dest_object  = external_object;
-	state->pkg.index        = index;
-	state->pkg.num_packages = 1;
-
-	return_PTR (state);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_create_control_state
- *
- * PARAMETERS:  None
- *
- * RETURN:      New state object, null on failure
- *
- * DESCRIPTION: Create a "Control State" - a flavor of the generic state used
- *              to support nested IF/WHILE constructs in the AML.
- *
- ******************************************************************************/
-
-union acpi_generic_state *
-acpi_ut_create_control_state (
-	void)
-{
-	union acpi_generic_state        *state;
-
-
-	ACPI_FUNCTION_TRACE ("ut_create_control_state");
-
-
-	/* Create the generic state object */
-
-	state = acpi_ut_create_generic_state ();
-	if (!state) {
-		return_PTR (NULL);
-	}
-
-	/* Init fields specific to the control struct */
-
-	state->common.data_type = ACPI_DESC_TYPE_STATE_CONTROL;
-	state->common.state     = ACPI_CONTROL_CONDITIONAL_EXECUTING;
-
-	return_PTR (state);
-}
-
-
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_delete_generic_state
- *
- * PARAMETERS:  State               - The state object to be deleted
- *
- * RETURN:      None
- *
- * DESCRIPTION: Put a state object back into the global state cache.  The object
- *              is not actually freed at this time.
- *
- ******************************************************************************/
-
-void
-acpi_ut_delete_generic_state (
-	union acpi_generic_state        *state)
-{
-	ACPI_FUNCTION_TRACE ("ut_delete_generic_state");
-
-
-	acpi_ut_release_to_cache (ACPI_MEM_LIST_STATE, state);
-	return_VOID;
-}
-
-
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_delete_generic_state_cache
- *
- * PARAMETERS:  None
- *
- * RETURN:      None
- *
- * DESCRIPTION: Purge the global state object cache.  Used during subsystem
- *              termination.
- *
- ******************************************************************************/
-
-void
-acpi_ut_delete_generic_state_cache (
-	void)
-{
-	ACPI_FUNCTION_TRACE ("ut_delete_generic_state_cache");
-
-
-	acpi_ut_delete_generic_cache (ACPI_MEM_LIST_STATE);
-	return_VOID;
-}
-#endif
-
-
-/*******************************************************************************
- *
  * FUNCTION:    acpi_ut_walk_package_tree
  *
  * PARAMETERS:  source_object       - The package to walk
diff --git a/drivers/acpi/utilities/utmutex.c b/drivers/acpi/utilities/utmutex.c
new file mode 100644
index 00000000000..0699b6be62b
--- /dev/null
+++ b/drivers/acpi/utilities/utmutex.c
@@ -0,0 +1,380 @@
+/*******************************************************************************
+ *
+ * Module Name: utmutex - local mutex support
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2005, R. Byron Moore
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+
+#include <acpi/acpi.h>
+
+#define _COMPONENT          ACPI_UTILITIES
+	 ACPI_MODULE_NAME    ("utmutex")
+
+/* Local prototypes */
+
+static acpi_status
+acpi_ut_create_mutex (
+	acpi_mutex_handle               mutex_id);
+
+static acpi_status
+acpi_ut_delete_mutex (
+	acpi_mutex_handle               mutex_id);
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_mutex_initialize
+ *
+ * PARAMETERS:  None.
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create the system mutex objects.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_mutex_initialize (
+	void)
+{
+	u32                             i;
+	acpi_status                     status;
+
+
+	ACPI_FUNCTION_TRACE ("ut_mutex_initialize");
+
+
+	/*
+	 * Create each of the predefined mutex objects
+	 */
+	for (i = 0; i < NUM_MUTEX; i++) {
+		status = acpi_ut_create_mutex (i);
+		if (ACPI_FAILURE (status)) {
+			return_ACPI_STATUS (status);
+		}
+	}
+
+	status = acpi_os_create_lock (&acpi_gbl_gpe_lock);
+	return_ACPI_STATUS (status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_mutex_terminate
+ *
+ * PARAMETERS:  None.
+ *
+ * RETURN:      None.
+ *
+ * DESCRIPTION: Delete all of the system mutex objects.
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_mutex_terminate (
+	void)
+{
+	u32                             i;
+
+
+	ACPI_FUNCTION_TRACE ("ut_mutex_terminate");
+
+
+	/*
+	 * Delete each predefined mutex object
+	 */
+	for (i = 0; i < NUM_MUTEX; i++) {
+		(void) acpi_ut_delete_mutex (i);
+	}
+
+	acpi_os_delete_lock (acpi_gbl_gpe_lock);
+	return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_create_mutex
+ *
+ * PARAMETERS:  mutex_iD        - ID of the mutex to be created
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a mutex object.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ut_create_mutex (
+	acpi_mutex_handle               mutex_id)
+{
+	acpi_status                     status = AE_OK;
+
+
+	ACPI_FUNCTION_TRACE_U32 ("ut_create_mutex", mutex_id);
+
+
+	if (mutex_id > MAX_MUTEX) {
+		return_ACPI_STATUS (AE_BAD_PARAMETER);
+	}
+
+	if (!acpi_gbl_mutex_info[mutex_id].mutex) {
+		status = acpi_os_create_semaphore (1, 1,
+				  &acpi_gbl_mutex_info[mutex_id].mutex);
+		acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
+		acpi_gbl_mutex_info[mutex_id].use_count = 0;
+	}
+
+	return_ACPI_STATUS (status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_delete_mutex
+ *
+ * PARAMETERS:  mutex_iD        - ID of the mutex to be deleted
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Delete a mutex object.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ut_delete_mutex (
+	acpi_mutex_handle               mutex_id)
+{
+	acpi_status                     status;
+
+
+	ACPI_FUNCTION_TRACE_U32 ("ut_delete_mutex", mutex_id);
+
+
+	if (mutex_id > MAX_MUTEX) {
+		return_ACPI_STATUS (AE_BAD_PARAMETER);
+	}
+
+	status = acpi_os_delete_semaphore (acpi_gbl_mutex_info[mutex_id].mutex);
+
+	acpi_gbl_mutex_info[mutex_id].mutex = NULL;
+	acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
+
+	return_ACPI_STATUS (status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_acquire_mutex
+ *
+ * PARAMETERS:  mutex_iD        - ID of the mutex to be acquired
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Acquire a mutex object.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_acquire_mutex (
+	acpi_mutex_handle               mutex_id)
+{
+	acpi_status                     status;
+	u32                             this_thread_id;
+
+
+	ACPI_FUNCTION_NAME ("ut_acquire_mutex");
+
+
+	if (mutex_id > MAX_MUTEX) {
+		return (AE_BAD_PARAMETER);
+	}
+
+	this_thread_id = acpi_os_get_thread_id ();
+
+#ifdef ACPI_MUTEX_DEBUG
+	{
+		u32                             i;
+		/*
+		 * Mutex debug code, for internal debugging only.
+		 *
+		 * Deadlock prevention.  Check if this thread owns any mutexes of value
+		 * greater than or equal to this one.  If so, the thread has violated
+		 * the mutex ordering rule.  This indicates a coding error somewhere in
+		 * the ACPI subsystem code.
+		 */
+		for (i = mutex_id; i < MAX_MUTEX; i++) {
+			if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) {
+				if (i == mutex_id) {
+					ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+						"Mutex [%s] already acquired by this thread [%X]\n",
+						acpi_ut_get_mutex_name (mutex_id), this_thread_id));
+
+					return (AE_ALREADY_ACQUIRED);
+				}
+
+				ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+					"Invalid acquire order: Thread %X owns [%s], wants [%s]\n",
+					this_thread_id, acpi_ut_get_mutex_name (i),
+					acpi_ut_get_mutex_name (mutex_id)));
+
+				return (AE_ACQUIRE_DEADLOCK);
+			}
+		}
+	}
+#endif
+
+	ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
+		"Thread %X attempting to acquire Mutex [%s]\n",
+		this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
+
+	status = acpi_os_wait_semaphore (acpi_gbl_mutex_info[mutex_id].mutex,
+			   1, ACPI_WAIT_FOREVER);
+	if (ACPI_SUCCESS (status)) {
+		ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X acquired Mutex [%s]\n",
+			this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
+
+		acpi_gbl_mutex_info[mutex_id].use_count++;
+		acpi_gbl_mutex_info[mutex_id].thread_id = this_thread_id;
+	}
+	else {
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+			"Thread %X could not acquire Mutex [%s] %s\n",
+				this_thread_id, acpi_ut_get_mutex_name (mutex_id),
+				acpi_format_exception (status)));
+	}
+
+	return (status);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_release_mutex
+ *
+ * PARAMETERS:  mutex_iD        - ID of the mutex to be released
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Release a mutex object.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_release_mutex (
+	acpi_mutex_handle               mutex_id)
+{
+	acpi_status                     status;
+	u32                             this_thread_id;
+
+
+	ACPI_FUNCTION_NAME ("ut_release_mutex");
+
+
+	this_thread_id = acpi_os_get_thread_id ();
+	ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
+		"Thread %X releasing Mutex [%s]\n", this_thread_id,
+		acpi_ut_get_mutex_name (mutex_id)));
+
+	if (mutex_id > MAX_MUTEX) {
+		return (AE_BAD_PARAMETER);
+	}
+
+	/*
+	 * Mutex must be acquired in order to release it!
+	 */
+	if (acpi_gbl_mutex_info[mutex_id].thread_id == ACPI_MUTEX_NOT_ACQUIRED) {
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+			"Mutex [%s] is not acquired, cannot release\n",
+			acpi_ut_get_mutex_name (mutex_id)));
+
+		return (AE_NOT_ACQUIRED);
+	}
+
+#ifdef ACPI_MUTEX_DEBUG
+	{
+		u32                             i;
+		/*
+		 * Mutex debug code, for internal debugging only.
+		 *
+		 * Deadlock prevention.  Check if this thread owns any mutexes of value
+		 * greater than this one.  If so, the thread has violated the mutex
+		 * ordering rule.  This indicates a coding error somewhere in
+		 * the ACPI subsystem code.
+		 */
+		for (i = mutex_id; i < MAX_MUTEX; i++) {
+			if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) {
+				if (i == mutex_id) {
+					continue;
+				}
+
+				ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+					"Invalid release order: owns [%s], releasing [%s]\n",
+					acpi_ut_get_mutex_name (i), acpi_ut_get_mutex_name (mutex_id)));
+
+				return (AE_RELEASE_DEADLOCK);
+			}
+		}
+	}
+#endif
+
+	/* Mark unlocked FIRST */
+
+	acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
+
+	status = acpi_os_signal_semaphore (acpi_gbl_mutex_info[mutex_id].mutex, 1);
+
+	if (ACPI_FAILURE (status)) {
+		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
+			"Thread %X could not release Mutex [%s] %s\n",
+			this_thread_id, acpi_ut_get_mutex_name (mutex_id),
+			acpi_format_exception (status)));
+	}
+	else {
+		ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X released Mutex [%s]\n",
+			this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
+	}
+
+	return (status);
+}
+
+
diff --git a/drivers/acpi/utilities/utobject.c b/drivers/acpi/utilities/utobject.c
index cd3899b9cc5..19178e14295 100644
--- a/drivers/acpi/utilities/utobject.c
+++ b/drivers/acpi/utilities/utobject.c
@@ -338,7 +338,7 @@ acpi_ut_allocate_object_desc_dbg (
 	ACPI_FUNCTION_TRACE ("ut_allocate_object_desc_dbg");
 
 
-	object = acpi_ut_acquire_from_cache (ACPI_MEM_LIST_OPERAND);
+	object = acpi_os_acquire_object (acpi_gbl_operand_cache);
 	if (!object) {
 		_ACPI_REPORT_ERROR (module_name, line_number, component_id,
 				  ("Could not allocate an object descriptor\n"));
@@ -347,7 +347,7 @@ acpi_ut_allocate_object_desc_dbg (
 	}
 
 	/* Mark the descriptor type */
-
+	memset(object, 0, sizeof(union acpi_operand_object));
 	ACPI_SET_DESCRIPTOR_TYPE (object, ACPI_DESC_TYPE_OPERAND);
 
 	ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p Size %X\n",
@@ -385,37 +385,9 @@ acpi_ut_delete_object_desc (
 		return_VOID;
 	}
 
-	acpi_ut_release_to_cache (ACPI_MEM_LIST_OPERAND, object);
-
-	return_VOID;
-}
-
-
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-/*******************************************************************************
- *
- * FUNCTION:    acpi_ut_delete_object_cache
- *
- * PARAMETERS:  None
- *
- * RETURN:      None
- *
- * DESCRIPTION: Purge the global state object cache.  Used during subsystem
- *              termination.
- *
- ******************************************************************************/
-
-void
-acpi_ut_delete_object_cache (
-	void)
-{
-	ACPI_FUNCTION_TRACE ("ut_delete_object_cache");
-
-
-	acpi_ut_delete_generic_cache (ACPI_MEM_LIST_OPERAND);
+	(void) acpi_os_release_object (acpi_gbl_operand_cache, object);
 	return_VOID;
 }
-#endif
 
 
 /*******************************************************************************
diff --git a/drivers/acpi/utilities/utstate.c b/drivers/acpi/utilities/utstate.c
new file mode 100644
index 00000000000..192e7ac9569
--- /dev/null
+++ b/drivers/acpi/utilities/utstate.c
@@ -0,0 +1,376 @@
+/*******************************************************************************
+ *
+ * Module Name: utstate - state object support procedures
+ *
+ ******************************************************************************/
+
+/*
+ * Copyright (C) 2000 - 2005, R. Byron Moore
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+
+#include <acpi/acpi.h>
+
+#define _COMPONENT          ACPI_UTILITIES
+	 ACPI_MODULE_NAME    ("utstate")
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_create_pkg_state_and_push
+ *
+ * PARAMETERS:  Object          - Object to be added to the new state
+ *              Action          - Increment/Decrement
+ *              state_list      - List the state will be added to
+ *
+ * RETURN:      Status
+ *
+ * DESCRIPTION: Create a new state and push it
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_create_pkg_state_and_push (
+	void                            *internal_object,
+	void                            *external_object,
+	u16                             index,
+	union acpi_generic_state        **state_list)
+{
+	union acpi_generic_state         *state;
+
+
+	ACPI_FUNCTION_ENTRY ();
+
+
+	state = acpi_ut_create_pkg_state (internal_object, external_object, index);
+	if (!state) {
+		return (AE_NO_MEMORY);
+	}
+
+	acpi_ut_push_generic_state (state_list, state);
+	return (AE_OK);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_push_generic_state
+ *
+ * PARAMETERS:  list_head           - Head of the state stack
+ *              State               - State object to push
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Push a state object onto a state stack
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_push_generic_state (
+	union acpi_generic_state        **list_head,
+	union acpi_generic_state        *state)
+{
+	ACPI_FUNCTION_TRACE ("ut_push_generic_state");
+
+
+	/* Push the state object onto the front of the list (stack) */
+
+	state->common.next = *list_head;
+	*list_head = state;
+
+	return_VOID;
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_pop_generic_state
+ *
+ * PARAMETERS:  list_head           - Head of the state stack
+ *
+ * RETURN:      The popped state object
+ *
+ * DESCRIPTION: Pop a state object from a state stack
+ *
+ ******************************************************************************/
+
+union acpi_generic_state *
+acpi_ut_pop_generic_state (
+	union acpi_generic_state        **list_head)
+{
+	union acpi_generic_state        *state;
+
+
+	ACPI_FUNCTION_TRACE ("ut_pop_generic_state");
+
+
+	/* Remove the state object at the head of the list (stack) */
+
+	state = *list_head;
+	if (state) {
+		/* Update the list head */
+
+		*list_head = state->common.next;
+	}
+
+	return_PTR (state);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_create_generic_state
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      The new state object. NULL on failure.
+ *
+ * DESCRIPTION: Create a generic state object.  Attempt to obtain one from
+ *              the global state cache;  If none available, create a new one.
+ *
+ ******************************************************************************/
+
+union acpi_generic_state *
+acpi_ut_create_generic_state (
+	void)
+{
+	union acpi_generic_state        *state;
+
+
+	ACPI_FUNCTION_ENTRY ();
+
+
+	state = acpi_os_acquire_object (acpi_gbl_state_cache);
+	if (state) {
+		/* Initialize */
+		memset(state, 0, sizeof(union acpi_generic_state));
+		state->common.data_type = ACPI_DESC_TYPE_STATE;
+	}
+
+	return (state);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_create_thread_state
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      New Thread State. NULL on failure
+ *
+ * DESCRIPTION: Create a "Thread State" - a flavor of the generic state used
+ *              to track per-thread info during method execution
+ *
+ ******************************************************************************/
+
+struct acpi_thread_state *
+acpi_ut_create_thread_state (
+	void)
+{
+	union acpi_generic_state        *state;
+
+
+	ACPI_FUNCTION_TRACE ("ut_create_thread_state");
+
+
+	/* Create the generic state object */
+
+	state = acpi_ut_create_generic_state ();
+	if (!state) {
+		return_PTR (NULL);
+	}
+
+	/* Init fields specific to the update struct */
+
+	state->common.data_type = ACPI_DESC_TYPE_STATE_THREAD;
+	state->thread.thread_id = acpi_os_get_thread_id ();
+
+	return_PTR ((struct acpi_thread_state *) state);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_create_update_state
+ *
+ * PARAMETERS:  Object          - Initial Object to be installed in the state
+ *              Action          - Update action to be performed
+ *
+ * RETURN:      New state object, null on failure
+ *
+ * DESCRIPTION: Create an "Update State" - a flavor of the generic state used
+ *              to update reference counts and delete complex objects such
+ *              as packages.
+ *
+ ******************************************************************************/
+
+union acpi_generic_state *
+acpi_ut_create_update_state (
+	union acpi_operand_object       *object,
+	u16                             action)
+{
+	union acpi_generic_state        *state;
+
+
+	ACPI_FUNCTION_TRACE_PTR ("ut_create_update_state", object);
+
+
+	/* Create the generic state object */
+
+	state = acpi_ut_create_generic_state ();
+	if (!state) {
+		return_PTR (NULL);
+	}
+
+	/* Init fields specific to the update struct */
+
+	state->common.data_type = ACPI_DESC_TYPE_STATE_UPDATE;
+	state->update.object = object;
+	state->update.value  = action;
+
+	return_PTR (state);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_create_pkg_state
+ *
+ * PARAMETERS:  Object          - Initial Object to be installed in the state
+ *              Action          - Update action to be performed
+ *
+ * RETURN:      New state object, null on failure
+ *
+ * DESCRIPTION: Create a "Package State"
+ *
+ ******************************************************************************/
+
+union acpi_generic_state *
+acpi_ut_create_pkg_state (
+	void                            *internal_object,
+	void                            *external_object,
+	u16                             index)
+{
+	union acpi_generic_state        *state;
+
+
+	ACPI_FUNCTION_TRACE_PTR ("ut_create_pkg_state", internal_object);
+
+
+	/* Create the generic state object */
+
+	state = acpi_ut_create_generic_state ();
+	if (!state) {
+		return_PTR (NULL);
+	}
+
+	/* Init fields specific to the update struct */
+
+	state->common.data_type = ACPI_DESC_TYPE_STATE_PACKAGE;
+	state->pkg.source_object = (union acpi_operand_object *) internal_object;
+	state->pkg.dest_object  = external_object;
+	state->pkg.index        = index;
+	state->pkg.num_packages = 1;
+
+	return_PTR (state);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_create_control_state
+ *
+ * PARAMETERS:  None
+ *
+ * RETURN:      New state object, null on failure
+ *
+ * DESCRIPTION: Create a "Control State" - a flavor of the generic state used
+ *              to support nested IF/WHILE constructs in the AML.
+ *
+ ******************************************************************************/
+
+union acpi_generic_state *
+acpi_ut_create_control_state (
+	void)
+{
+	union acpi_generic_state        *state;
+
+
+	ACPI_FUNCTION_TRACE ("ut_create_control_state");
+
+
+	/* Create the generic state object */
+
+	state = acpi_ut_create_generic_state ();
+	if (!state) {
+		return_PTR (NULL);
+	}
+
+	/* Init fields specific to the control struct */
+
+	state->common.data_type = ACPI_DESC_TYPE_STATE_CONTROL;
+	state->common.state     = ACPI_CONTROL_CONDITIONAL_EXECUTING;
+
+	return_PTR (state);
+}
+
+
+/*******************************************************************************
+ *
+ * FUNCTION:    acpi_ut_delete_generic_state
+ *
+ * PARAMETERS:  State               - The state object to be deleted
+ *
+ * RETURN:      None
+ *
+ * DESCRIPTION: Put a state object back into the global state cache.  The object
+ *              is not actually freed at this time.
+ *
+ ******************************************************************************/
+
+void
+acpi_ut_delete_generic_state (
+	union acpi_generic_state        *state)
+{
+	ACPI_FUNCTION_TRACE ("ut_delete_generic_state");
+
+
+	(void) acpi_os_release_object (acpi_gbl_state_cache, state);
+	return_VOID;
+}
+
+
diff --git a/drivers/acpi/utilities/utxface.c b/drivers/acpi/utilities/utxface.c
index e8803d81065..850da681742 100644
--- a/drivers/acpi/utilities/utxface.c
+++ b/drivers/acpi/utilities/utxface.c
@@ -46,8 +46,6 @@
 #include <acpi/acpi.h>
 #include <acpi/acevents.h>
 #include <acpi/acnamesp.h>
-#include <acpi/acparser.h>
-#include <acpi/acdispat.h>
 #include <acpi/acdebug.h>
 
 #define _COMPONENT          ACPI_UTILITIES
@@ -79,11 +77,6 @@ acpi_initialize_subsystem (
 
 	ACPI_DEBUG_EXEC (acpi_ut_init_stack_ptr_trace ());
 
-
-	/* Initialize all globals used by the subsystem */
-
-	acpi_ut_init_globals ();
-
 	/* Initialize the OS-Dependent layer */
 
 	status = acpi_os_initialize ();
@@ -93,6 +86,10 @@ acpi_initialize_subsystem (
 		return_ACPI_STATUS (status);
 	}
 
+	/* Initialize all globals used by the subsystem */
+
+	acpi_ut_init_globals ();
+
 	/* Create the default mutex objects */
 
 	status = acpi_ut_mutex_initialize ();
@@ -522,13 +519,9 @@ acpi_purge_cached_objects (
 {
 	ACPI_FUNCTION_TRACE ("acpi_purge_cached_objects");
 
-
-#ifdef ACPI_ENABLE_OBJECT_CACHE
-	acpi_ut_delete_generic_state_cache ();
-	acpi_ut_delete_object_cache ();
-	acpi_ds_delete_walk_state_cache ();
-	acpi_ps_delete_parse_cache ();
-#endif
-
+	(void) acpi_os_purge_cache (acpi_gbl_state_cache);
+	(void) acpi_os_purge_cache (acpi_gbl_operand_cache);
+	(void) acpi_os_purge_cache (acpi_gbl_ps_node_cache);
+	(void) acpi_os_purge_cache (acpi_gbl_ps_node_ext_cache);
 	return_ACPI_STATUS (AE_OK);
 }