diff --git a/drivers/acpi/dispatcher/dsinit.c b/drivers/acpi/dispatcher/dsinit.c
index d7790db..ebc07aa 100644
--- a/drivers/acpi/dispatcher/dsinit.c
+++ b/drivers/acpi/dispatcher/dsinit.c
@@ -99,7 +99,7 @@
 	 * was just loaded
 	 */
 	if (((struct acpi_namespace_node *) obj_handle)->owner_id !=
-			info->table_desc->table_id) {
+			info->table_desc->owner_id) {
 		return (AE_OK);
 	}
 
@@ -168,7 +168,7 @@
 		 */
 		acpi_ns_delete_namespace_subtree (obj_handle);
 		acpi_ns_delete_namespace_by_owner (
-			((struct acpi_namespace_node *) obj_handle)->object->method.owning_id);
+			((struct acpi_namespace_node *) obj_handle)->object->method.owner_id);
 		break;
 
 
@@ -237,7 +237,7 @@
 
 	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 c9d9a6c..1b90813 100644
--- a/drivers/acpi/dispatcher/dsmethod.c
+++ b/drivers/acpi/dispatcher/dsmethod.c
@@ -77,7 +77,6 @@
 	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;
 
 
@@ -132,15 +131,18 @@
 	 * 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) {
 		status = AE_NO_MEMORY;
-		goto cleanup;
+		goto cleanup2;
 	}
 
 	status = acpi_ds_init_aml_walk (walk_state, op, node,
@@ -148,7 +150,7 @@
 			  obj_desc->method.aml_length, NULL, 1);
 	if (ACPI_FAILURE (status)) {
 		acpi_ds_delete_walk_state (walk_state);
-		goto cleanup;
+		goto cleanup2;
 	}
 
 	/*
@@ -162,13 +164,16 @@
 	 */
 	status = acpi_ps_parse_aml (walk_state);
 	if (ACPI_FAILURE (status)) {
-		goto cleanup;
+		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));
 
+cleanup2:
+	(void) acpi_ut_release_owner_id (obj_desc->method.owner_id);
+
 cleanup:
 	acpi_ps_delete_parse_tree (op);
 	return_ACPI_STATUS (status);
@@ -265,7 +270,7 @@
 {
 	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;
@@ -289,20 +294,23 @@
 		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);
@@ -332,7 +340,7 @@
 
 	/* 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;
@@ -383,6 +391,7 @@
 	/* On error, we must delete the new walk state */
 
 cleanup:
+	(void) 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 */
 
@@ -584,7 +593,7 @@
 		 * 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);
 		if (ACPI_FAILURE (status)) {
 			return_ACPI_STATUS (status);
diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c
index 8bfa6ef..76c6ebd0 100644
--- a/drivers/acpi/executer/exconfig.c
+++ b/drivers/acpi/executer/exconfig.c
@@ -487,7 +487,7 @@
 	 * 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);
 
 	/* Delete the table itself */
 
diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c
index 7007abb..6158f51 100644
--- a/drivers/acpi/executer/exdump.c
+++ b/drivers/acpi/executer/exdump.c
@@ -819,7 +819,7 @@
 		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;
diff --git a/drivers/acpi/executer/exoparg1.c b/drivers/acpi/executer/exoparg1.c
index 131f49a..c1ba8b4 100644
--- a/drivers/acpi/executer/exoparg1.c
+++ b/drivers/acpi/executer/exoparg1.c
@@ -904,6 +904,7 @@
 			 */
 			return_desc = acpi_ns_get_attached_object (
 					  (struct acpi_namespace_node *) operand[0]);
+			acpi_ut_add_reference (return_desc);
 		}
 		else {
 			/*
@@ -953,20 +954,10 @@
 					 * 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/exresop.c b/drivers/acpi/executer/exresop.c
index d8b470e..aaba7ab 100644
--- a/drivers/acpi/executer/exresop.c
+++ b/drivers/acpi/executer/exresop.c
@@ -426,6 +426,10 @@
 
 				return_ACPI_STATUS (status);
 			}
+
+			if (obj_desc != *stack_ptr) {
+				acpi_ut_remove_reference (obj_desc);
+			}
 			goto next_operand;
 
 
@@ -448,6 +452,10 @@
 
 				return_ACPI_STATUS (status);
 			}
+
+			if (obj_desc != *stack_ptr) {
+				acpi_ut_remove_reference (obj_desc);
+			}
 			goto next_operand;
 
 
@@ -471,6 +479,10 @@
 
 				return_ACPI_STATUS (status);
 			}
+
+			if (obj_desc != *stack_ptr) {
+				acpi_ut_remove_reference (obj_desc);
+			}
 			goto next_operand;
 
 
@@ -515,6 +527,10 @@
 				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/namespace/nsaccess.c b/drivers/acpi/namespace/nsaccess.c
index 9df0a64..0bda88d 100644
--- a/drivers/acpi/namespace/nsaccess.c
+++ b/drivers/acpi/namespace/nsaccess.c
@@ -163,7 +163,7 @@
 
 				/*
 				 * i_aSL Compiler cheats by putting parameter count
-				 * in the owner_iD
+				 * in the owner_iD (param_count max is 7)
 				 */
 				new_node->owner_id = obj_desc->method.param_count;
 #else
diff --git a/drivers/acpi/namespace/nsalloc.c b/drivers/acpi/namespace/nsalloc.c
index 3f94b08..edbf1db 100644
--- a/drivers/acpi/namespace/nsalloc.c
+++ b/drivers/acpi/namespace/nsalloc.c
@@ -190,7 +190,7 @@
 	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
 
@@ -559,7 +559,7 @@
 
 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;
@@ -635,6 +635,7 @@
 		}
 	}
 
+	(void) acpi_ut_release_owner_id (owner_id);
 	return_VOID;
 }
 
diff --git a/drivers/acpi/namespace/nsdump.c b/drivers/acpi/namespace/nsdump.c
index c9f35dd..d86ccbc 100644
--- a/drivers/acpi/namespace/nsdump.c
+++ b/drivers/acpi/namespace/nsdump.c
@@ -203,7 +203,7 @@
 
 	/* 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);
 	}
@@ -598,7 +598,7 @@
 	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;
@@ -643,7 +643,7 @@
 
 
 	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);
@@ -694,7 +694,7 @@
 	}
 
 	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/nsparse.c b/drivers/acpi/namespace/nsparse.c
index f81b836e..64e0b2b 100644
--- a/drivers/acpi/namespace/nsparse.c
+++ b/drivers/acpi/namespace/nsparse.c
@@ -87,7 +87,7 @@
 
 	/* 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);
diff --git a/drivers/acpi/parser/psloop.c b/drivers/acpi/parser/psloop.c
index decb2e9..095672a 100644
--- a/drivers/acpi/parser/psloop.c
+++ b/drivers/acpi/parser/psloop.c
@@ -407,9 +407,14 @@
 					INCREMENT_ARG_LIST (walk_state->arg_types);
 				}
 
+
 				/* Special processing for certain opcodes */
 
-				if ((walk_state->pass_number <= ACPI_IMODE_LOAD_PASS1) &&
+	/* TBD (remove): Temporary mechanism to disable this code if needed */
+
+#ifndef ACPI_NO_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
@@ -434,7 +439,7 @@
 						break;
 					}
 				}
-
+#endif
 				switch (op->common.aml_opcode) {
 				case AML_METHOD_OP:
 
diff --git a/drivers/acpi/parser/psxface.c b/drivers/acpi/parser/psxface.c
index dba8936..5279b51 100644
--- a/drivers/acpi/parser/psxface.c
+++ b/drivers/acpi/parser/psxface.c
@@ -138,11 +138,14 @@
 	 * 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);
+	status = acpi_ut_allocate_owner_id (&obj_desc->method.owner_id);
+	if (ACPI_FAILURE (status)) {
+		goto cleanup2;
+	}
 
 	/* Create and initialize a new walk state */
 
-	walk_state = acpi_ds_create_walk_state (obj_desc->method.owning_id,
+	walk_state = acpi_ds_create_walk_state (obj_desc->method.owner_id,
 			   NULL, NULL, NULL);
 	if (!walk_state) {
 		status = AE_NO_MEMORY;
diff --git a/drivers/acpi/tables/tbinstal.c b/drivers/acpi/tables/tbinstal.c
index 629b64c..2ad72f2 100644
--- a/drivers/acpi/tables/tbinstal.c
+++ b/drivers/acpi/tables/tbinstal.c
@@ -251,6 +251,7 @@
 {
 	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 +264,13 @@
 		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 +333,6 @@
 	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 +345,7 @@
 
 	/* 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 13c6ddb..069d498 100644
--- a/drivers/acpi/tables/tbrsdt.c
+++ b/drivers/acpi/tables/tbrsdt.c
@@ -96,32 +96,13 @@
 		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 */
+	/* Verify RSDP signature and checksum */
 
-		status = AE_BAD_SIGNATURE;
+	status = acpi_tb_validate_rsdp (rsdp);
+	if (ACPI_FAILURE (status)) {
 		goto cleanup;
 	}
 
-	/* Check the standard checksum */
-
-	if (acpi_tb_checksum (rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) {
-		status = AE_BAD_CHECKSUM;
-		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);
diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c
index 0c0b908..ca2dbdd 100644
--- a/drivers/acpi/tables/tbxface.c
+++ b/drivers/acpi/tables/tbxface.c
@@ -260,8 +260,7 @@
 		 * "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);
 		table_desc = table_desc->next;
 	}
 
diff --git a/drivers/acpi/tables/tbxfroot.c b/drivers/acpi/tables/tbxfroot.c
index fe9c831..abb4c93 100644
--- a/drivers/acpi/tables/tbxfroot.c
+++ b/drivers/acpi/tables/tbxfroot.c
@@ -65,6 +65,51 @@
 
 /*******************************************************************************
  *
+ * 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_checksum (rsdp, ACPI_RSDP_CHECKSUM_LENGTH) != 0) {
+		return (AE_BAD_CHECKSUM);
+	}
+
+	/* Check extended checksum if table version >= 2 */
+
+	if ((rsdp->revision >= 2) &&
+		(acpi_tb_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_gbl_RSDP = address.pointer.logical;
 		}
 
-		/* The signature and checksum must both be correct */
+		/* The RDSP 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 */
-
-			return_ACPI_STATUS (AE_BAD_CHECKSUM);
+		status = acpi_tb_validate_rsdp (acpi_gbl_RSDP);
+		if (ACPI_FAILURE (status)) {
+			return_ACPI_STATUS (status);
 		}
 	}
 
@@ -414,9 +451,9 @@
 	u8                              *start_address,
 	u32                             length)
 {
+	acpi_status                     status;
 	u8                              *mem_rover;
 	u8                              *end_address;
-	u8                              checksum;
 
 
 	ACPI_FUNCTION_TRACE ("tb_scan_memory_for_rsdp");
@@ -428,45 +465,25 @@
 
 	for (mem_rover = start_address; mem_rover < end_address;
 		 mem_rover += ACPI_RSDP_SCAN_STEP) {
-		/* The signature and checksum must both be correct */
+		/* The RSDP 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 */
-
-			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);
 }
 
@@ -554,7 +571,7 @@
 			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);
 
@@ -583,7 +600,7 @@
 		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);
@@ -614,7 +631,7 @@
 					  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);
@@ -634,8 +651,9 @@
 		}
 	}
 
-	/* 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/utcache.c b/drivers/acpi/utilities/utcache.c
index 0758881..c0df058 100644
--- a/drivers/acpi/utilities/utcache.c
+++ b/drivers/acpi/utilities/utcache.c
@@ -74,6 +74,9 @@
 	struct acpi_memory_list         *cache;
 
 
+	ACPI_FUNCTION_ENTRY ();
+
+
 	if (!cache_name || !return_cache || (object_size < 16)) {
 		return (AE_BAD_PARAMETER);
 	}
@@ -161,7 +164,10 @@
 	acpi_status                     status;
 
 
-	/* Purge all objects in the cache */
+	ACPI_FUNCTION_ENTRY ();
+
+
+   /* Purge all objects in the cache */
 
 	status = acpi_os_purge_cache (cache);
 	if (ACPI_FAILURE (status)) {
@@ -259,7 +265,7 @@
 	void                            *object;
 
 
-	ACPI_FUNCTION_NAME ("ut_acquire_from_cache");
+	ACPI_FUNCTION_NAME ("os_acquire_object");
 
 
 	if (!cache) {
@@ -286,7 +292,7 @@
 
 		ACPI_MEM_TRACKING (cache->hits++);
 		ACPI_MEM_TRACKING (ACPI_DEBUG_PRINT ((ACPI_DB_EXEC,
-			"Object %p from %s\n", object, cache->list_name)));
+			"Object %p from %s cache\n", object, cache->list_name)));
 
 		status = acpi_ut_release_mutex (ACPI_MTX_CACHES);
 		if (ACPI_FAILURE (status)) {
diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c
index 08362f6..3d5fbc8 100644
--- a/drivers/acpi/utilities/utdebug.c
+++ b/drivers/acpi/utilities/utdebug.c
@@ -116,10 +116,9 @@
  *
  * 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 +133,9 @@
 acpi_ut_debug_print (
 	u32                             requested_debug_level,
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info,
+	char                            *function_name,
+	char                            *module_name,
+	u32                             component_id,
 	char                            *format,
 	...)
 {
@@ -146,7 +147,7 @@
 	 * 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 +170,14 @@
 	 * 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, function_name);
 
 	va_start (args, format);
 	acpi_os_vprintf (format, args);
@@ -190,10 +191,9 @@
  *
  * 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 +208,9 @@
 acpi_ut_debug_print_raw (
 	u32                             requested_debug_level,
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info,
+	char                            *function_name,
+	char                            *module_name,
+	u32                             component_id,
 	char                            *format,
 	...)
 {
@@ -216,7 +218,7 @@
 
 
 	if (!(requested_debug_level & acpi_dbg_level) ||
-		!(dbg_info->component_id & acpi_dbg_layer)) {
+		!(component_id & acpi_dbg_layer)) {
 		return;
 	}
 
@@ -231,10 +233,9 @@
  * 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 +247,17 @@
 void
 acpi_ut_trace (
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info)
+	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 +267,9 @@
  * 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 +282,17 @@
 void
 acpi_ut_trace_ptr (
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info,
+	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 +301,9 @@
  * 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 +316,18 @@
 void
 acpi_ut_trace_str (
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info,
+	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 +336,9 @@
  * 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 +351,18 @@
 void
 acpi_ut_trace_u32 (
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info,
+	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 +371,9 @@
  * 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 +385,14 @@
 void
 acpi_ut_exit (
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info)
+	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 +404,9 @@
  * 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 +419,23 @@
 void
 acpi_ut_status_exit (
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info,
+	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 +448,9 @@
  * 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 +463,16 @@
 void
 acpi_ut_value_exit (
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info,
+	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 +484,9 @@
  * 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 +499,15 @@
 void
 acpi_ut_ptr_exit (
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info,
+	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--;
 }
diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c
index be97ada..eeafb32 100644
--- a/drivers/acpi/utilities/utdelete.c
+++ b/drivers/acpi/utilities/utdelete.c
@@ -435,35 +435,24 @@
 	union acpi_operand_object       *object,
 	u16                             action)
 {
-	acpi_status                     status;
-	u32                             i;
-	union acpi_generic_state         *state_list = NULL;
-	union acpi_generic_state         *state;
+	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;
 
 
 	ACPI_FUNCTION_TRACE_PTR ("ut_update_object_reference", object);
 
 
-	/* Ignore a null object ptr */
+	while (object) {
+		/* Make sure that this isn't a namespace handle */
 
-	if (!object) {
-		return_ACPI_STATUS (AE_OK);
-	}
-
-	/* 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);
-	}
-
-	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.
@@ -476,12 +465,10 @@
 			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++) {
 				/*
@@ -497,35 +484,19 @@
 			}
 			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;
-			}
+			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;
-			}
-		   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;
-			}
-
+			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)) {
@@ -533,15 +504,9 @@
 			}
 			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;
-			}
-
+			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)) {
@@ -549,28 +514,19 @@
 			}
 			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 */
 		}
 
 		/*
@@ -579,15 +535,23 @@
 		 * 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 8653dda..0e4161c 100644
--- a/drivers/acpi/utilities/utglobal.c
+++ b/drivers/acpi/utilities/utglobal.c
@@ -738,73 +738,6 @@
 
 /*******************************************************************************
  *
- * 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
@@ -848,7 +781,7 @@
 	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;
 	}
 
@@ -889,8 +822,7 @@
 	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/utmisc.c b/drivers/acpi/utilities/utmisc.c
index 207c836..df715cd 100644
--- a/drivers/acpi/utilities/utmisc.c
+++ b/drivers/acpi/utilities/utmisc.c
@@ -52,6 +52,100 @@
 
 /*******************************************************************************
  *
+ * FUNCTION:    acpi_ut_allocate_owner_id
+ *
+ * PARAMETERS:  owner_id        - Where the new owner ID is returned
+ *
+ * DESCRIPTION: Allocate a table or method owner id
+ *
+ ******************************************************************************/
+
+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");
+
+
+	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;
+			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.
+	 */
+	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        - A previously allocated owner ID
+ *
+ * DESCRIPTION: Release a table or method owner id
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ut_release_owner_id (
+	acpi_owner_id                   owner_id)
+{
+	acpi_status                     status;
+
+
+	ACPI_FUNCTION_TRACE ("ut_release_owner_id");
+
+
+	status = acpi_ut_acquire_mutex (ACPI_MTX_CACHES);
+	if (ACPI_FAILURE (status)) {
+		return_ACPI_STATUS (status);
+	}
+
+	/* Free the owner ID */
+
+	if (acpi_gbl_owner_id_mask & (1 << owner_id)) {
+		acpi_gbl_owner_id_mask ^= (1 << owner_id);
+	}
+	else {
+		/* This owner_id has not been allocated */
+
+		status = AE_NOT_EXIST;
+	}
+
+	(void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
+	return_ACPI_STATUS (status);
+}
+
+
+/*******************************************************************************
+ *
  * FUNCTION:    acpi_ut_strupr (strupr)
  *
  * PARAMETERS:  src_string      - The source string to convert
diff --git a/drivers/acpi/utilities/utmutex.c b/drivers/acpi/utilities/utmutex.c
index a80b97c..0699b6b 100644
--- a/drivers/acpi/utilities/utmutex.c
+++ b/drivers/acpi/utilities/utmutex.c
@@ -159,7 +159,7 @@
 	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].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
 		acpi_gbl_mutex_info[mutex_id].use_count = 0;
 	}
 
@@ -196,7 +196,7 @@
 	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;
+	acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
 
 	return_ACPI_STATUS (status);
 }
@@ -274,7 +274,7 @@
 			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;
+		acpi_gbl_mutex_info[mutex_id].thread_id = this_thread_id;
 	}
 	else {
 		ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
@@ -322,7 +322,7 @@
 	/*
 	 * Mutex must be acquired in order to release it!
 	 */
-	if (acpi_gbl_mutex_info[mutex_id].owner_id == ACPI_MUTEX_NOT_ACQUIRED) {
+	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)));
@@ -359,7 +359,7 @@
 
 	/* Mark unlocked FIRST */
 
-	acpi_gbl_mutex_info[mutex_id].owner_id = ACPI_MUTEX_NOT_ACQUIRED;
+	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);
 
diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h
index dd9b70c..aa3c08c 100644
--- a/include/acpi/acconfig.h
+++ b/include/acpi/acconfig.h
@@ -64,7 +64,7 @@
 
 /* Version string */
 
-#define ACPI_CA_VERSION                 0x20050624
+#define ACPI_CA_VERSION                 0x20050708
 
 /*
  * OS name, used for the _OS object.  The _OS object is essentially obsolete,
diff --git a/include/acpi/acdisasm.h b/include/acpi/acdisasm.h
index fcc2d50..2632543 100644
--- a/include/acpi/acdisasm.h
+++ b/include/acpi/acdisasm.h
@@ -211,7 +211,7 @@
 	union acpi_parse_object         *op);
 
 void
-acpi_is_eisa_id (
+acpi_dm_is_eisa_id (
 	union acpi_parse_object         *op);
 
 void
diff --git a/include/acpi/acexcep.h b/include/acpi/acexcep.h
index 60d737b..0a6f492 100644
--- a/include/acpi/acexcep.h
+++ b/include/acpi/acexcep.h
@@ -95,8 +95,9 @@
 #define AE_ABORT_METHOD                 (acpi_status) (0x001C | AE_CODE_ENVIRONMENTAL)
 #define AE_SAME_HANDLER                 (acpi_status) (0x001D | AE_CODE_ENVIRONMENTAL)
 #define AE_WAKE_ONLY_GPE                (acpi_status) (0x001E | AE_CODE_ENVIRONMENTAL)
+#define AE_OWNER_ID_LIMIT               (acpi_status) (0x001F | AE_CODE_ENVIRONMENTAL)
 
-#define AE_CODE_ENV_MAX                 0x001E
+#define AE_CODE_ENV_MAX                 0x001F
 
 
 /*
@@ -226,7 +227,8 @@
 	"AE_LOGICAL_ADDRESS",
 	"AE_ABORT_METHOD",
 	"AE_SAME_HANDLER",
-	"AE_WAKE_ONLY_GPE"
+	"AE_WAKE_ONLY_GPE",
+	"AE_OWNER_ID_LIMIT"
 };
 
 char const   *acpi_gbl_exception_names_pgm[] =
diff --git a/include/acpi/acglobal.h b/include/acpi/acglobal.h
index 8d5a397a..e3cf16e 100644
--- a/include/acpi/acglobal.h
+++ b/include/acpi/acglobal.h
@@ -218,9 +218,8 @@
 ACPI_EXTERN u32                                 acpi_gbl_rsdp_original_location;
 ACPI_EXTERN u32                                 acpi_gbl_ns_lookup_count;
 ACPI_EXTERN u32                                 acpi_gbl_ps_find_count;
+ACPI_EXTERN u32                                 acpi_gbl_owner_id_mask;
 ACPI_EXTERN u16                                 acpi_gbl_pm1_enable_register_save;
-ACPI_EXTERN u16                                 acpi_gbl_next_table_owner_id;
-ACPI_EXTERN u16                                 acpi_gbl_next_method_owner_id;
 ACPI_EXTERN u16                                 acpi_gbl_global_lock_handle;
 ACPI_EXTERN u8                                  acpi_gbl_debugger_configuration;
 ACPI_EXTERN u8                                  acpi_gbl_global_lock_acquired;
diff --git a/include/acpi/aclocal.h b/include/acpi/aclocal.h
index 58f9ba1..4d26356 100644
--- a/include/acpi/aclocal.h
+++ b/include/acpi/aclocal.h
@@ -56,6 +56,13 @@
 #define AML_NUM_OPCODES                 0x7F
 
 
+/* Forward declarations */
+
+struct acpi_walk_state        ;
+struct acpi_obj_mutex;
+union acpi_parse_object        ;
+
+
 /*****************************************************************************
  *
  * Mutex typedefs and structs
@@ -116,19 +123,24 @@
 #endif
 
 
+/* Owner IDs are used to track namespace nodes for selective deletion */
+
+typedef u8                                      acpi_owner_id;
+#define ACPI_OWNER_ID_MAX               0xFF
+
+/* This Thread ID means that the mutex is not in use (unlocked) */
+
+#define ACPI_MUTEX_NOT_ACQUIRED         (u32) -1
+
 /* Table for the global mutexes */
 
 struct acpi_mutex_info
 {
 	acpi_mutex                          mutex;
 	u32                                 use_count;
-	u32                                 owner_id;
+	u32                                 thread_id;
 };
 
-/* This owner ID means that the mutex is not in use (unlocked) */
-
-#define ACPI_MUTEX_NOT_ACQUIRED         (u32) (-1)
-
 
 /* Lock flag parameter for various interfaces */
 
@@ -136,13 +148,6 @@
 #define ACPI_MTX_LOCK                   1
 
 
-typedef u16                                     acpi_owner_id;
-#define ACPI_OWNER_TYPE_TABLE           0x0
-#define ACPI_OWNER_TYPE_METHOD          0x1
-#define ACPI_FIRST_METHOD_ID            0x0001
-#define ACPI_FIRST_TABLE_ID             0xF000
-
-
 /* Field access granularities */
 
 #define ACPI_FIELD_BYTE_GRANULARITY     1
@@ -185,13 +190,20 @@
 {
 	u8                                  descriptor;     /* Used to differentiate object descriptor types */
 	u8                                  type;           /* Type associated with this name */
-	u16                                 owner_id;
+	u16                                 reference_count; /* Current count of references and children */
 	union acpi_name_union               name;           /* ACPI Name, always 4 chars per ACPI spec */
 	union acpi_operand_object           *object;        /* Pointer to attached ACPI object (optional) */
 	struct acpi_namespace_node          *child;         /* First child */
 	struct acpi_namespace_node          *peer;          /* Next peer*/
-	u16                                 reference_count; /* Current count of references and children */
+	u8                                  owner_id;       /* Who created this node */
 	u8                                  flags;
+
+	/* Fields used by the ASL compiler only */
+
+#ifdef ACPI_ASL_COMPILER
+	u32                                 value;
+	union acpi_parse_object             *op;
+#endif
 };
 
 
@@ -222,7 +234,7 @@
 	u64                             physical_address;
 	u32                             aml_length;
 	acpi_size                       length;
-	acpi_owner_id                   table_id;
+	acpi_owner_id                   owner_id;
 	u8                              type;
 	u8                              allocation;
 	u8                              loaded_into_namespace;
@@ -420,13 +432,6 @@
 #define ACPI_CONTROL_PREDICATE_TRUE          0xC4
 
 
-/* Forward declarations */
-
-struct acpi_walk_state        ;
-struct acpi_obj_mutex;
-union acpi_parse_object        ;
-
-
 #define ACPI_STATE_COMMON                  /* Two 32-bit fields and a pointer */\
 	u8                                  data_type;          /* To differentiate various internal objs */\
 	u8                                  flags;      \
@@ -916,14 +921,6 @@
  *
  ****************************************************************************/
 
-struct acpi_debug_print_info
-{
-	u32                             component_id;
-	char                            *proc_name;
-	char                            *module_name;
-};
-
-
 /* Entry for a memory allocation (debug only) */
 
 #define ACPI_MEM_MALLOC                      0
diff --git a/include/acpi/acmacros.h b/include/acpi/acmacros.h
index 09be937..5b100ce 100644
--- a/include/acpi/acmacros.h
+++ b/include/acpi/acmacros.h
@@ -437,21 +437,22 @@
 #define ACPI_PARAM_LIST(pl)                 pl
 
 /*
- * Error reporting.  These versions add callers module and line#.  Since
- * _THIS_MODULE gets compiled out when ACPI_DEBUG_OUTPUT isn't defined, only
- * use it in debug mode.
+ * Error reporting.  These versions add callers module and line#.
+ *
+ * Since _acpi_module_name gets compiled out when ACPI_DEBUG_OUTPUT
+ * isn't defined, only use it in debug mode.
  */
 #ifdef ACPI_DEBUG_OUTPUT
 
-#define ACPI_REPORT_INFO(fp)                {acpi_ut_report_info(_THIS_MODULE,__LINE__,_COMPONENT); \
+#define ACPI_REPORT_INFO(fp)                {acpi_ut_report_info(_acpi_module_name,__LINE__,_COMPONENT); \
 												acpi_os_printf ACPI_PARAM_LIST(fp);}
-#define ACPI_REPORT_ERROR(fp)               {acpi_ut_report_error(_THIS_MODULE,__LINE__,_COMPONENT); \
+#define ACPI_REPORT_ERROR(fp)               {acpi_ut_report_error(_acpi_module_name,__LINE__,_COMPONENT); \
 												acpi_os_printf ACPI_PARAM_LIST(fp);}
-#define ACPI_REPORT_WARNING(fp)             {acpi_ut_report_warning(_THIS_MODULE,__LINE__,_COMPONENT); \
+#define ACPI_REPORT_WARNING(fp)             {acpi_ut_report_warning(_acpi_module_name,__LINE__,_COMPONENT); \
 												acpi_os_printf ACPI_PARAM_LIST(fp);}
-#define ACPI_REPORT_NSERROR(s,e)            acpi_ns_report_error(_THIS_MODULE,__LINE__,_COMPONENT, s, e);
+#define ACPI_REPORT_NSERROR(s,e)            acpi_ns_report_error(_acpi_module_name,__LINE__,_COMPONENT, s, e);
 
-#define ACPI_REPORT_METHOD_ERROR(s,n,p,e)   acpi_ns_report_method_error(_THIS_MODULE,__LINE__,_COMPONENT, s, n, p, e);
+#define ACPI_REPORT_METHOD_ERROR(s,n,p,e)   acpi_ns_report_method_error(_acpi_module_name,__LINE__,_COMPONENT, s, n, p, e);
 
 #else
 
@@ -480,36 +481,56 @@
  * Debug macros that are conditionally compiled
  */
 #ifdef ACPI_DEBUG_OUTPUT
-
-#define ACPI_MODULE_NAME(name)               static char ACPI_UNUSED_VAR *_THIS_MODULE = name;
+#define ACPI_MODULE_NAME(name)          static char ACPI_UNUSED_VAR *_acpi_module_name = name;
 
 /*
- * Function entry tracing.
- * The first parameter should be the procedure name as a quoted string.  This is declared
- * as a local string ("_proc_name) so that it can be also used by the function exit macros below.
+ * Common parameters used for debug output functions:
+ * line number, function name, module(file) name, component ID
  */
-#define ACPI_FUNCTION_NAME(a)               struct acpi_debug_print_info _debug_info; \
-												_debug_info.component_id = _COMPONENT; \
-												_debug_info.proc_name  = a; \
-												_debug_info.module_name = _THIS_MODULE;
+#define ACPI_DEBUG_PARAMETERS           __LINE__, ACPI_GET_FUNCTION_NAME, _acpi_module_name, _COMPONENT
 
-#define ACPI_FUNCTION_TRACE(a)              ACPI_FUNCTION_NAME(a) \
-												acpi_ut_trace(__LINE__,&_debug_info)
-#define ACPI_FUNCTION_TRACE_PTR(a,b)        ACPI_FUNCTION_NAME(a) \
-												acpi_ut_trace_ptr(__LINE__,&_debug_info,(void *)b)
-#define ACPI_FUNCTION_TRACE_U32(a,b)        ACPI_FUNCTION_NAME(a) \
-												acpi_ut_trace_u32(__LINE__,&_debug_info,(u32)b)
-#define ACPI_FUNCTION_TRACE_STR(a,b)        ACPI_FUNCTION_NAME(a) \
-												acpi_ut_trace_str(__LINE__,&_debug_info,(char *)b)
+/*
+ * Function entry tracing
+ */
 
-#define ACPI_FUNCTION_ENTRY()               acpi_ut_track_stack_ptr()
+/*
+ * If ACPI_GET_FUNCTION_NAME was not defined in the compiler-dependent header,
+ * define it now. This is the case where there the compiler does not support
+ * a __FUNCTION__ macro or equivalent. We save the function name on the
+ * local stack.
+ */
+#ifndef ACPI_GET_FUNCTION_NAME
+#define ACPI_GET_FUNCTION_NAME          _acpi_function_name
+/*
+ * The Name parameter should be the procedure name as a quoted string.
+ * This is declared as a local string ("my_function_name") so that it can
+ * be also used by the function exit macros below.
+ */
+#define ACPI_FUNCTION_NAME(name)        char *_acpi_function_name = name;
+
+#else
+/* Compiler supports __FUNCTION__ (or equivalent) -- Ignore this macro */
+
+#define ACPI_FUNCTION_NAME(name)
+#endif
+
+#define ACPI_FUNCTION_TRACE(a)          ACPI_FUNCTION_NAME(a) \
+											acpi_ut_trace(ACPI_DEBUG_PARAMETERS)
+#define ACPI_FUNCTION_TRACE_PTR(a,b)    ACPI_FUNCTION_NAME(a) \
+											acpi_ut_trace_ptr(ACPI_DEBUG_PARAMETERS,(void *)b)
+#define ACPI_FUNCTION_TRACE_U32(a,b)    ACPI_FUNCTION_NAME(a) \
+											acpi_ut_trace_u32(ACPI_DEBUG_PARAMETERS,(u32)b)
+#define ACPI_FUNCTION_TRACE_STR(a,b)    ACPI_FUNCTION_NAME(a) \
+											acpi_ut_trace_str(ACPI_DEBUG_PARAMETERS,(char *)b)
+
+#define ACPI_FUNCTION_ENTRY()           acpi_ut_track_stack_ptr()
 
 /*
  * Function exit tracing.
  * WARNING: These macros include a return statement.  This is usually considered
  * bad form, but having a separate exit macro is very ugly and difficult to maintain.
  * One of the FUNCTION_TRACE macros above must be used in conjunction with these macros
- * so that "_proc_name" is defined.
+ * so that "_acpi_function_name" is defined.
  */
 #ifdef ACPI_USE_DO_WHILE_0
 #define ACPI_DO_WHILE0(a)               do a while(0)
@@ -517,10 +538,10 @@
 #define ACPI_DO_WHILE0(a)               a
 #endif
 
-#define return_VOID                     ACPI_DO_WHILE0 ({acpi_ut_exit(__LINE__,&_debug_info);return;})
-#define return_ACPI_STATUS(s)           ACPI_DO_WHILE0 ({acpi_ut_status_exit(__LINE__,&_debug_info,(s));return((s));})
-#define return_VALUE(s)                 ACPI_DO_WHILE0 ({acpi_ut_value_exit(__LINE__,&_debug_info,(acpi_integer)(s));return((s));})
-#define return_PTR(s)                   ACPI_DO_WHILE0 ({acpi_ut_ptr_exit(__LINE__,&_debug_info,(u8 *)(s));return((s));})
+#define return_VOID                     ACPI_DO_WHILE0 ({acpi_ut_exit(ACPI_DEBUG_PARAMETERS);return;})
+#define return_ACPI_STATUS(s)           ACPI_DO_WHILE0 ({acpi_ut_status_exit(ACPI_DEBUG_PARAMETERS,(s));return((s));})
+#define return_VALUE(s)                 ACPI_DO_WHILE0 ({acpi_ut_value_exit(ACPI_DEBUG_PARAMETERS,(acpi_integer)(s));return((s));})
+#define return_PTR(s)                   ACPI_DO_WHILE0 ({acpi_ut_ptr_exit(ACPI_DEBUG_PARAMETERS,(u8 *)(s));return((s));})
 
 /* Conditional execution */
 
@@ -535,7 +556,7 @@
 /* Stack and buffer dumping */
 
 #define ACPI_DUMP_STACK_ENTRY(a)        acpi_ex_dump_operand((a),0)
-#define ACPI_DUMP_OPERANDS(a,b,c,d,e)   acpi_ex_dump_operands(a,b,c,d,e,_THIS_MODULE,__LINE__)
+#define ACPI_DUMP_OPERANDS(a,b,c,d,e)   acpi_ex_dump_operands(a,b,c,d,e,_acpi_module_name,__LINE__)
 
 
 #define ACPI_DUMP_ENTRY(a,b)            acpi_ns_dump_entry (a,b)
@@ -572,7 +593,7 @@
  * leaving no executable debug code!
  */
 #define ACPI_MODULE_NAME(name)
-#define _THIS_MODULE ""
+#define _acpi_module_name ""
 
 #define ACPI_DEBUG_EXEC(a)
 #define ACPI_NORMAL_EXEC(a)             a;
@@ -648,19 +669,18 @@
 
 /* Memory allocation */
 
-#define ACPI_MEM_ALLOCATE(a)            acpi_ut_allocate((acpi_size)(a),_COMPONENT,_THIS_MODULE,__LINE__)
-#define ACPI_MEM_CALLOCATE(a)           acpi_ut_callocate((acpi_size)(a), _COMPONENT,_THIS_MODULE,__LINE__)
+#define ACPI_MEM_ALLOCATE(a)            acpi_ut_allocate((acpi_size)(a),_COMPONENT,_acpi_module_name,__LINE__)
+#define ACPI_MEM_CALLOCATE(a)           acpi_ut_callocate((acpi_size)(a), _COMPONENT,_acpi_module_name,__LINE__)
 #define ACPI_MEM_FREE(a)                acpi_os_free(a)
 #define ACPI_MEM_TRACKING(a)
 
-
 #else
 
 /* Memory allocation */
 
-#define ACPI_MEM_ALLOCATE(a)            acpi_ut_allocate_and_track((acpi_size)(a),_COMPONENT,_THIS_MODULE,__LINE__)
-#define ACPI_MEM_CALLOCATE(a)           acpi_ut_callocate_and_track((acpi_size)(a), _COMPONENT,_THIS_MODULE,__LINE__)
-#define ACPI_MEM_FREE(a)                acpi_ut_free_and_track(a,_COMPONENT,_THIS_MODULE,__LINE__)
+#define ACPI_MEM_ALLOCATE(a)            acpi_ut_allocate_and_track((acpi_size)(a),_COMPONENT,_acpi_module_name,__LINE__)
+#define ACPI_MEM_CALLOCATE(a)           acpi_ut_callocate_and_track((acpi_size)(a), _COMPONENT,_acpi_module_name,__LINE__)
+#define ACPI_MEM_FREE(a)                acpi_ut_free_and_track(a,_COMPONENT,_acpi_module_name,__LINE__)
 #define ACPI_MEM_TRACKING(a)            a
 
 #endif /* ACPI_DBG_TRACK_ALLOCATIONS */
diff --git a/include/acpi/acnamesp.h b/include/acpi/acnamesp.h
index d1b3ce80..870e254 100644
--- a/include/acpi/acnamesp.h
+++ b/include/acpi/acnamesp.h
@@ -163,7 +163,7 @@
 
 void
 acpi_ns_delete_namespace_by_owner (
-	u16                             table_id);
+	acpi_owner_id                   owner_id);
 
 void
 acpi_ns_detach_object (
@@ -219,7 +219,7 @@
 	acpi_object_type                type,
 	u8                              display_type,
 	u32                             max_depth,
-	u32                             ownder_id,
+	acpi_owner_id                   owner_id,
 	acpi_handle                     start_handle);
 #endif	/* ACPI_FUTURE_USAGE */
 
diff --git a/include/acpi/acobject.h b/include/acpi/acobject.h
index e079b94..34f9d1f 100644
--- a/include/acpi/acobject.h
+++ b/include/acpi/acobject.h
@@ -199,7 +199,7 @@
 	ACPI_INTERNAL_METHOD            implementation;
 	u8                                      concurrency;
 	u8                                      thread_count;
-	acpi_owner_id                           owning_id;
+	acpi_owner_id                           owner_id;
 };
 
 
diff --git a/include/acpi/acoutput.h b/include/acpi/acoutput.h
index 2fbe180..d7e828c 100644
--- a/include/acpi/acoutput.h
+++ b/include/acpi/acoutput.h
@@ -136,7 +136,7 @@
 /*
  * Debug level macros that are used in the DEBUG_PRINT macros
  */
-#define ACPI_DEBUG_LEVEL(dl)        (u32) dl,__LINE__,&_debug_info
+#define ACPI_DEBUG_LEVEL(dl)        (u32) dl,ACPI_DEBUG_PARAMETERS
 
 /* Exception level -- used in the global "debug_level" */
 
diff --git a/include/acpi/acstruct.h b/include/acpi/acstruct.h
index a2025a8..f375c17 100644
--- a/include/acpi/acstruct.h
+++ b/include/acpi/acstruct.h
@@ -71,7 +71,6 @@
 	u8                                  walk_type;
 	acpi_owner_id                       owner_id;                           /* Owner of objects created during the walk */
 	u8                                  last_predicate;                     /* Result of last predicate */
-	u8                                  reserved;                           /* For alignment */
 	u8                                  current_result;                     /* */
 	u8                                  next_op_info;                       /* Info about next_op */
 	u8                                  num_operands;                       /* Stack pointer for Operands[] array */
@@ -154,17 +153,17 @@
 struct acpi_walk_info
 {
 	u32                             debug_level;
-	u32                             owner_id;
+	acpi_owner_id                   owner_id;
 	u8                              display_type;
 };
 
 /* Display Types */
 
-#define ACPI_DISPLAY_SUMMARY    0
-#define ACPI_DISPLAY_OBJECTS    1
-#define ACPI_DISPLAY_MASK       1
+#define ACPI_DISPLAY_SUMMARY    (u8) 0
+#define ACPI_DISPLAY_OBJECTS    (u8) 1
+#define ACPI_DISPLAY_MASK       (u8) 1
 
-#define ACPI_DISPLAY_SHORT      2
+#define ACPI_DISPLAY_SHORT      (u8) 2
 
 struct acpi_get_devices_info
 {
diff --git a/include/acpi/actables.h b/include/acpi/actables.h
index 39df92e..97e6f12 100644
--- a/include/acpi/actables.h
+++ b/include/acpi/actables.h
@@ -169,6 +169,10 @@
 acpi_tb_get_table_rsdt (
 	void);
 
+acpi_status
+acpi_tb_validate_rsdp (
+	struct rsdp_descriptor          *rsdp);
+
 
 /*
  * tbutils - common table utilities
diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h
index b5cdcca..c1e9110 100644
--- a/include/acpi/actbl.h
+++ b/include/acpi/actbl.h
@@ -86,15 +86,15 @@
  */
 struct rsdp_descriptor         /* Root System Descriptor Pointer */
 {
-	char                            signature [8];          /* ACPI signature, contains "RSD PTR " */
-	u8                              checksum;               /* To make sum of struct == 0 */
-	char                            oem_id [6];             /* OEM identification */
-	u8                              revision;               /* Must be 0 for 1.0, 2 for 2.0 */
-	u32                             rsdt_physical_address;  /* 32-bit physical address of RSDT */
-	u32                             length;                 /* XSDT Length in bytes including hdr */
-	u64                             xsdt_physical_address;  /* 64-bit physical address of XSDT */
-	u8                              extended_checksum;      /* Checksum of entire table */
-	char                            reserved [3];           /* Reserved field must be 0 */
+	char                            signature[8];           /* ACPI signature, contains "RSD PTR " */
+	u8                              checksum;               /* ACPI 1.0 checksum */
+	char                            oem_id[6];              /* OEM identification */
+	u8                              revision;               /* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */
+	u32                             rsdt_physical_address;  /* 32-bit physical address of the RSDT */
+	u32                             length;                 /* XSDT Length in bytes, including header */
+	u64                             xsdt_physical_address;  /* 64-bit physical address of the XSDT */
+	u8                              extended_checksum;      /* Checksum of entire table (ACPI 2.0) */
+	char                            reserved[3];            /* Reserved, must be zero */
 };
 
 
@@ -107,15 +107,15 @@
 
 
 #define ACPI_TABLE_HEADER_DEF   /* ACPI common table header */ \
-	char                            signature [4];          /* ACPI signature (4 ASCII characters) */\
-	u32                             length;                 /* Length of table, in bytes, including header */\
+	char                            signature[4];           /* ASCII table signature */\
+	u32                             length;                 /* Length of table in bytes, including this header */\
 	u8                              revision;               /* ACPI Specification minor version # */\
 	u8                              checksum;               /* To make sum of entire table == 0 */\
-	char                            oem_id [6];             /* OEM identification */\
-	char                            oem_table_id [8];       /* OEM table identification */\
+	char                            oem_id[6];              /* ASCII OEM identification */\
+	char                            oem_table_id[8];        /* ASCII OEM table identification */\
 	u32                             oem_revision;           /* OEM revision number */\
-	char                            asl_compiler_id [4];    /* ASL compiler vendor ID */\
-	u32                             asl_compiler_revision;  /* ASL compiler revision number */
+	char                            asl_compiler_id [4];    /* ASCII ASL compiler vendor ID */\
+	u32                             asl_compiler_revision;  /* ASL compiler version */
 
 
 struct acpi_table_header         /* ACPI common table header */
@@ -139,8 +139,12 @@
 {
 	ACPI_TABLE_HEADER_DEF                           /* ACPI common table header */
 	u32                             local_apic_address;     /* Physical address of local APIC */
-	u32                             PCATcompat      : 1;    /* A one indicates system also has dual 8259s */
-	u32                             reserved1       : 31;
+
+	/* Flags (32 bits) */
+
+	u8                              PCATcompat      : 1;    /* 00:    System also has dual 8259s */
+	u8                                              : 7;    /* 01-07: Reserved, must be zero */
+	u8                              reserved1[3];           /* 08-31: Reserved, must be zero */
 };
 
 /* Values for Type in APIC_HEADER_DEF */
@@ -180,16 +184,18 @@
 #define TRIGGER_RESERVED        2
 #define TRIGGER_LEVEL           3
 
-/* Common flag definitions */
+/* Common flag definitions (16 bits each) */
 
 #define MPS_INTI_FLAGS \
-	u16                             polarity        : 2;    /* Polarity of APIC I/O input signals */\
-	u16                             trigger_mode    : 2;    /* Trigger mode of APIC input signals */\
-	u16                             reserved1       : 12;   /* Reserved, must be zero */
+	u8                              polarity        : 2;    /* 00-01: Polarity of APIC I/O input signals */\
+	u8                              trigger_mode    : 2;    /* 02-03: Trigger mode of APIC input signals */\
+	u8                                              : 4;    /* 04-07: Reserved, must be zero */\
+	u8                              reserved1;              /* 08-15: Reserved, must be zero */
 
 #define LOCAL_APIC_FLAGS \
-	u32                             processor_enabled: 1;   /* Processor is usable if set */\
-	u32                             reserved2       : 31;   /* Reserved, must be zero */
+	u8                              processor_enabled: 1;   /* 00:    Processor is usable if set */\
+	u8                                              : 7;    /* 01-07: Reserved, must be zero */\
+	u8                              reserved2;              /* 08-15: Reserved, must be zero */
 
 /* Sub-structures for MADT */
 
@@ -238,7 +244,7 @@
 struct madt_address_override
 {
 	APIC_HEADER_DEF
-	u16                             reserved;               /* Reserved - must be zero */
+	u16                             reserved;               /* Reserved, must be zero */
 	u64                             address;                /* APIC physical address */
 };
 
@@ -246,7 +252,7 @@
 {
 	APIC_HEADER_DEF
 	u8                              io_sapic_id;            /* I/O SAPIC ID */
-	u8                              reserved;               /* Reserved - must be zero */
+	u8                              reserved;               /* Reserved, must be zero */
 	u32                             interrupt_base;         /* Glocal interrupt for SAPIC start */
 	u64                             address;                /* SAPIC physical address */
 };
@@ -257,7 +263,7 @@
 	u8                              processor_id;           /* ACPI processor id */
 	u8                              local_sapic_id;         /* SAPIC ID */
 	u8                              local_sapic_eid;        /* SAPIC EID */
-	u8                              reserved [3];           /* Reserved - must be zero */
+	u8                              reserved[3];            /* Reserved, must be zero */
 	LOCAL_APIC_FLAGS
 	u32                             processor_uID;          /* Numeric UID - ACPI 3.0 */
 	char                            processor_uIDstring[1]; /* String UID  - ACPI 3.0 */
diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
index 33de5f4..93c175a 100644
--- a/include/acpi/actbl1.h
+++ b/include/acpi/actbl1.h
@@ -52,8 +52,7 @@
 struct rsdt_descriptor_rev1
 {
 	ACPI_TABLE_HEADER_DEF                           /* ACPI common table header */
-	u32                             table_offset_entry [1]; /* Array of pointers to other */
-			 /* ACPI tables */
+	u32                             table_offset_entry[1];  /* Array of pointers to ACPI tables */
 };
 
 
@@ -62,14 +61,19 @@
  */
 struct facs_descriptor_rev1
 {
-	char                            signature[4];           /* ACPI Signature */
-	u32                             length;                 /* Length of structure, in bytes */
+	char                            signature[4];           /* ASCII table signature */
+	u32                             length;                 /* Length of structure in bytes */
 	u32                             hardware_signature;     /* Hardware configuration signature */
 	u32                             firmware_waking_vector; /* ACPI OS waking vector */
 	u32                             global_lock;            /* Global Lock */
-	u32                             S4bios_f        : 1;    /* Indicates if S4BIOS support is present */
-	u32                             reserved1       : 31;   /* Must be 0 */
-	u8                              resverved3 [40];        /* Reserved - must be zero */
+
+	/* Flags (32 bits) */
+
+	u8                              S4bios_f        : 1;    /* 00:    S4BIOS support is present */
+	u8                                              : 7;    /* 01-07: Reserved, must be zero */
+	u8                              reserved1[3];           /* 08-31: Reserved, must be zero */
+
+	u8                              reserved2[40];          /* Reserved, must be zero */
 };
 
 
@@ -82,13 +86,13 @@
 	u32                             firmware_ctrl;          /* Physical address of FACS */
 	u32                             dsdt;                   /* Physical address of DSDT */
 	u8                              model;                  /* System Interrupt Model */
-	u8                              reserved1;              /* Reserved */
+	u8                              reserved1;              /* Reserved, must be zero */
 	u16                             sci_int;                /* System vector of SCI interrupt */
 	u32                             smi_cmd;                /* Port address of SMI command port */
 	u8                              acpi_enable;            /* Value to write to smi_cmd to enable ACPI */
 	u8                              acpi_disable;           /* Value to write to smi_cmd to disable ACPI */
 	u8                              S4bios_req;             /* Value to write to SMI CMD to enter S4BIOS state */
-	u8                              reserved2;              /* Reserved - must be zero */
+	u8                              reserved2;              /* Reserved, must be zero */
 	u32                             pm1a_evt_blk;           /* Port address of Power Mgt 1a acpi_event Reg Blk */
 	u32                             pm1b_evt_blk;           /* Port address of Power Mgt 1b acpi_event Reg Blk */
 	u32                             pm1a_cnt_blk;           /* Port address of Power Mgt 1a Control Reg Blk */
@@ -104,7 +108,7 @@
 	u8                              gpe0_blk_len;           /* Byte Length of ports at gpe0_blk */
 	u8                              gpe1_blk_len;           /* Byte Length of ports at gpe1_blk */
 	u8                              gpe1_base;              /* Offset in gpe model where gpe1 events start */
-	u8                              reserved3;              /* Reserved */
+	u8                              reserved3;              /* Reserved, must be zero */
 	u16                             plvl2_lat;              /* Worst case HW latency to enter/exit C2 state */
 	u16                             plvl3_lat;              /* Worst case HW latency to enter/exit C3 state */
 	u16                             flush_size;             /* Size of area read to flush caches */
@@ -114,19 +118,21 @@
 	u8                              day_alrm;               /* Index to day-of-month alarm in RTC CMOS RAM */
 	u8                              mon_alrm;               /* Index to month-of-year alarm in RTC CMOS RAM */
 	u8                              century;                /* Index to century in RTC CMOS RAM */
-	u8                              reserved4;              /* Reserved */
-	u8                              reserved4a;             /* Reserved */
-	u8                              reserved4b;             /* Reserved */
-	u32                             wb_invd         : 1;    /* The wbinvd instruction works properly */
-	u32                             wb_invd_flush   : 1;    /* The wbinvd flushes but does not invalidate */
-	u32                             proc_c1         : 1;    /* All processors support C1 state */
-	u32                             plvl2_up        : 1;    /* C2 state works on MP system */
-	u32                             pwr_button      : 1;    /* Power button is handled as a generic feature */
-	u32                             sleep_button    : 1;    /* Sleep button is handled as a generic feature, or not present */
-	u32                             fixed_rTC       : 1;    /* RTC wakeup stat not in fixed register space */
-	u32                             rtcs4           : 1;    /* RTC wakeup stat not possible from S4 */
-	u32                             tmr_val_ext     : 1;    /* The tmr_val width is 32 bits (0 = 24 bits) */
-	u32                             reserved5       : 23;   /* Reserved - must be zero */
+	u8                              reserved4[3];           /* Reserved, must be zero */
+
+	/* Flags (32 bits) */
+
+	u8                              wb_invd         : 1;    /* 00:    The wbinvd instruction works properly */
+	u8                              wb_invd_flush   : 1;    /* 01:    The wbinvd flushes but does not invalidate */
+	u8                              proc_c1         : 1;    /* 02:    All processors support C1 state */
+	u8                              plvl2_up        : 1;    /* 03:    C2 state works on MP system */
+	u8                              pwr_button      : 1;    /* 04:    Power button is handled as a generic feature */
+	u8                              sleep_button    : 1;    /* 05:    Sleep button is handled as a generic feature, or not present */
+	u8                              fixed_rTC       : 1;    /* 06:    RTC wakeup stat not in fixed register space */
+	u8                              rtcs4           : 1;    /* 07:    RTC wakeup stat not possible from S4 */
+	u8                              tmr_val_ext     : 1;    /* 08:    tmr_val width is 32 bits (0 = 24 bits) */
+	u8                                              : 7;    /* 09-15: Reserved, must be zero */
+	u8                              reserved5[2];           /* 16-31: Reserved, must be zero */
 };
 
 #pragma pack()
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index e1729c9..84ce5ab 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -73,8 +73,7 @@
 struct rsdt_descriptor_rev2
 {
 	ACPI_TABLE_HEADER_DEF                           /* ACPI common table header */
-	u32                             table_offset_entry [1]; /* Array of pointers to  */
-			 /* ACPI table headers */
+	u32                             table_offset_entry[1];  /* Array of pointers to ACPI tables */
 };
 
 
@@ -84,8 +83,7 @@
 struct xsdt_descriptor_rev2
 {
 	ACPI_TABLE_HEADER_DEF                           /* ACPI common table header */
-	u64                             table_offset_entry [1]; /* Array of pointers to  */
-			 /* ACPI table headers */
+	u64                             table_offset_entry[1];  /* Array of pointers to ACPI tables */
 };
 
 
@@ -94,16 +92,21 @@
  */
 struct facs_descriptor_rev2
 {
-	char                            signature[4];           /* ACPI signature */
+	char                            signature[4];           /* ASCII table signature */
 	u32                             length;                 /* Length of structure, in bytes */
 	u32                             hardware_signature;     /* Hardware configuration signature */
-	u32                             firmware_waking_vector; /* 32bit physical address of the Firmware Waking Vector. */
+	u32                             firmware_waking_vector; /* 32-bit physical address of the Firmware Waking Vector. */
 	u32                             global_lock;            /* Global Lock used to synchronize access to shared hardware resources */
-	u32                             S4bios_f        : 1;    /* S4Bios_f - Indicates if S4BIOS support is present */
-	u32                             reserved1       : 31;   /* Must be 0 */
-	u64                             xfirmware_waking_vector; /* 64bit physical address of the Firmware Waking Vector. */
+
+	/* Flags (32 bits) */
+
+	u8                              S4bios_f        : 1;    /* 00:    S4BIOS support is present */
+	u8                                              : 7;    /* 01-07: Reserved, must be zero */
+	u8                              reserved1[3];           /* 08-31: Reserved, must be zero */
+
+	u64                             xfirmware_waking_vector; /* 64-bit physical address of the Firmware Waking Vector. */
 	u8                              version;                /* Version of this table */
-	u8                              reserved3 [31];         /* Reserved - must be zero */
+	u8                              reserved3[31];          /* Reserved, must be zero */
 };
 
 
@@ -165,35 +168,37 @@
 {
 	ACPI_TABLE_HEADER_DEF                       /* ACPI common table header */
 	FADT_REV2_COMMON
-	u8                              reserved2;          /* Reserved */
-	u32                             wb_invd     : 1;    /* The wbinvd instruction works properly */
-	u32                             wb_invd_flush : 1;  /* The wbinvd flushes but does not invalidate */
-	u32                             proc_c1     : 1;    /* All processors support C1 state */
-	u32                             plvl2_up    : 1;    /* C2 state works on MP system */
-	u32                             pwr_button  : 1;    /* Power button is handled as a generic feature */
-	u32                             sleep_button : 1;   /* Sleep button is handled as a generic feature, or not present */
-	u32                             fixed_rTC   : 1;    /* RTC wakeup stat not in fixed register space */
-	u32                             rtcs4       : 1;    /* RTC wakeup stat not possible from S4 */
-	u32                             tmr_val_ext : 1;    /* Indicates tmr_val is 32 bits 0=24-bits */
-	u32                             dock_cap    : 1;    /* Supports Docking */
-	u32                             reset_reg_sup : 1;  /* Indicates system supports system reset via the FADT RESET_REG */
-	u32                             sealed_case : 1;    /* Indicates system has no internal expansion capabilities and case is sealed */
-	u32                             headless    : 1;    /* Indicates system does not have local video capabilities or local input devices */
-	u32                             cpu_sw_sleep : 1;   /* Indicates to OSPM that a processor native instruction */
-			   /* must be executed after writing the SLP_TYPx register */
-	/* ACPI 3.0 flag bits */
+	u8                              reserved2;          /* Reserved, must be zero */
 
-	u32                             pci_exp_wak                         : 1; /* System supports PCIEXP_WAKE (STS/EN) bits */
-	u32                             use_platform_clock                  : 1; /* OSPM should use platform-provided timer */
-	u32                             S4rtc_sts_valid                     : 1; /* Contents of RTC_STS valid after S4 wake */
-	u32                             remote_power_on_capable             : 1; /* System is compatible with remote power on */
-	u32                             force_apic_cluster_model            : 1; /* All local APICs must use cluster model */
-	u32                             force_apic_physical_destination_mode : 1; /* all local x_aPICs must use physical dest mode */
-	u32                             reserved6                           : 12;/* Reserved - must be zero */
+	/* Flags (32 bits) */
+
+	u8                              wb_invd     : 1;    /* 00:    The wbinvd instruction works properly */
+	u8                              wb_invd_flush : 1;  /* 01:    The wbinvd flushes but does not invalidate */
+	u8                              proc_c1     : 1;    /* 02:    All processors support C1 state */
+	u8                              plvl2_up    : 1;    /* 03:    C2 state works on MP system */
+	u8                              pwr_button  : 1;    /* 04:    Power button is handled as a generic feature */
+	u8                              sleep_button : 1;   /* 05:    Sleep button is handled as a generic feature, or not present */
+	u8                              fixed_rTC   : 1;    /* 06:    RTC wakeup stat not in fixed register space */
+	u8                              rtcs4       : 1;    /* 07:    RTC wakeup stat not possible from S4 */
+	u8                              tmr_val_ext : 1;    /* 08:    tmr_val is 32 bits 0=24-bits */
+	u8                              dock_cap    : 1;    /* 09:    Docking supported */
+	u8                              reset_reg_sup : 1;  /* 10:    System reset via the FADT RESET_REG supported */
+	u8                              sealed_case : 1;    /* 11:    No internal expansion capabilities and case is sealed */
+	u8                              headless    : 1;    /* 12:    No local video capabilities or local input devices */
+	u8                              cpu_sw_sleep : 1;   /* 13:    Must execute native instruction after writing SLP_TYPx register */
+
+	u8                              pci_exp_wak                         : 1; /* 14:    System supports PCIEXP_WAKE (STS/EN) bits (ACPI 3.0) */
+	u8                              use_platform_clock                  : 1; /* 15:    OSPM should use platform-provided timer (ACPI 3.0) */
+	u8                              S4rtc_sts_valid                     : 1; /* 16:    Contents of RTC_STS valid after S4 wake (ACPI 3.0) */
+	u8                              remote_power_on_capable             : 1; /* 17:    System is compatible with remote power on (ACPI 3.0) */
+	u8                              force_apic_cluster_model            : 1; /* 18:    All local APICs must use cluster model (ACPI 3.0) */
+	u8                              force_apic_physical_destination_mode : 1; /* 19:   all local x_aPICs must use physical dest mode (ACPI 3.0) */
+	u8                                                                  : 4; /* 20-23: Reserved, must be zero */
+	u8                              reserved3;                               /* 24-31: Reserved, must be zero */
 
 	struct acpi_generic_address     reset_register;     /* Reset register address in GAS format */
 	u8                              reset_value;        /* Value to write to the reset_register port to reset the system */
-	u8                              reserved7[3];       /* These three bytes must be zero */
+	u8                              reserved4[3];       /* These three bytes must be zero */
 	u64                             xfirmware_ctrl;     /* 64-bit physical address of FACS */
 	u64                             Xdsdt;              /* 64-bit physical address of DSDT */
 	struct acpi_generic_address     xpm1a_evt_blk;      /* Extended Power Mgt 1a acpi_event Reg Blk address */
@@ -213,11 +218,11 @@
 {
 	ACPI_TABLE_HEADER_DEF                       /* ACPI common table header */
 	FADT_REV2_COMMON
-	u8                              reserved2;          /* Reserved */
+	u8                              reserved2;          /* Reserved, must be zero */
 	u32                             flags;
 	struct acpi_generic_address     reset_register;     /* Reset register address in GAS format */
 	u8                              reset_value;        /* Value to write to the reset_register port to reset the system. */
-	u8                              reserved7[3];       /* These three bytes must be zero */
+	u8                              reserved7[3];       /* Reserved, must be zero */
 };
 
 
@@ -242,11 +247,16 @@
 	u8                              length;
 	u8                              proximity_domain_lo;
 	u8                              apic_id;
-	u32                             enabled         :1;
-	u32                             reserved3       :31;
+
+	/* Flags (32 bits) */
+
+	u8                              enabled         :1; /* 00:    Use affinity structure */
+	u8                                              :7; /* 01-07: Reserved, must be zero */
+	u8                              reserved3[3];       /* 08-31: Reserved, must be zero */
+
 	u8                              local_sapic_eid;
 	u8                              proximity_domain_hi[3];
-	u32                             reserved4;
+	u32                             reserved4;          /* Reserved, must be zero */
 };
 
 struct memory_affinity
@@ -258,18 +268,23 @@
 	u64                             base_address;
 	u64                             address_length;
 	u32                             reserved4;
-	u32                             enabled         :1;
-	u32                             hot_pluggable   :1;
-	u32                             non_volatile    :1;
-	u32                             reserved5       :29;
-	u64                             reserved6;
+
+	/* Flags (32 bits) */
+
+	u8                              enabled         :1; /* 00:    Use affinity structure */
+	u8                              hot_pluggable   :1; /* 01:    Memory region is hot pluggable */
+	u8                              non_volatile    :1; /* 02:    Memory is non-volatile */
+	u8                                              :5; /* 03-07: Reserved, must be zero */
+	u8                              reserved5[3];       /* 08-31: Reserved, must be zero */
+
+	u64                             reserved6;          /* Reserved, must be zero */
 };
 
 struct system_resource_affinity
 {
 	ACPI_TABLE_HEADER_DEF
 	u32                             reserved1;          /* Must be value '1' */
-	u64                             reserved2;
+	u64                             reserved2;          /* Reserved, must be zero */
 };
 
 
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 8cd774a2..1895b86 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -205,10 +205,11 @@
 
 
 /*
- * Miscellaneous common types
+ * This type is used for bitfields in ACPI tables. The only type that is
+ * even remotely portable is u8. Anything else is not portable, so
+ * do not add any more bitfield types.
  */
-typedef u16                                     UINT16_BIT;
-typedef u32                                     UINT32_BIT;
+typedef u8                                      UINT8_BIT;
 typedef acpi_native_uint                        ACPI_PTRDIFF;
 
 /*
@@ -243,10 +244,13 @@
 #define ACPI_LOGMODE_PHYSPTR            ACPI_LOGICAL_ADDRESSING  | ACPI_PHYSICAL_POINTER
 #define ACPI_LOGMODE_LOGPTR             ACPI_LOGICAL_ADDRESSING  | ACPI_LOGICAL_POINTER
 
-/* Types for the OS interface layer (OSL) */
-
-#ifdef ACPI_USE_LOCAL_CACHE
-#define acpi_cache_t                struct acpi_memory_list
+/*
+ * If acpi_cache_t was not defined in the OS-dependent header,
+ * define it now. This is typically the case where the local cache
+ * manager implementation is to be used (ACPI_USE_LOCAL_CACHE)
+ */
+#ifndef acpi_cache_t
+#define acpi_cache_t                            struct acpi_memory_list
 #endif
 
 /*
diff --git a/include/acpi/acutils.h b/include/acpi/acutils.h
index e9c1584d..9c05c10e 100644
--- a/include/acpi/acutils.h
+++ b/include/acpi/acutils.h
@@ -120,10 +120,6 @@
 acpi_ut_valid_object_type (
 	acpi_object_type                type);
 
-acpi_owner_id
-acpi_ut_allocate_owner_id (
-	u32                             id_type);
-
 
 /*
  * utinit - miscellaneous initialization and shutdown
@@ -306,47 +302,63 @@
 void
 acpi_ut_trace (
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info);
+	char                            *function_name,
+	char                            *module_name,
+	u32                             component_id);
 
 void
 acpi_ut_trace_ptr (
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info,
+	char                            *function_name,
+	char                            *module_name,
+	u32                             component_id,
 	void                            *pointer);
 
 void
 acpi_ut_trace_u32 (
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info,
+	char                            *function_name,
+	char                            *module_name,
+	u32                             component_id,
 	u32                             integer);
 
 void
 acpi_ut_trace_str (
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info,
+	char                            *function_name,
+	char                            *module_name,
+	u32                             component_id,
 	char                            *string);
 
 void
 acpi_ut_exit (
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info);
+	char                            *function_name,
+	char                            *module_name,
+	u32                             component_id);
 
 void
 acpi_ut_status_exit (
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info,
+	char                            *function_name,
+	char                            *module_name,
+	u32                             component_id,
 	acpi_status                     status);
 
 void
 acpi_ut_value_exit (
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info,
+	char                            *function_name,
+	char                            *module_name,
+	u32                             component_id,
 	acpi_integer                    value);
 
 void
 acpi_ut_ptr_exit (
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info,
+	char                            *function_name,
+	char                            *module_name,
+	u32                             component_id,
 	u8                              *ptr);
 
 void
@@ -378,7 +390,9 @@
 acpi_ut_debug_print (
 	u32                             requested_debug_level,
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info,
+	char                            *function_name,
+	char                            *module_name,
+	u32                             component_id,
 	char                            *format,
 	...) ACPI_PRINTF_LIKE_FUNC;
 
@@ -386,7 +400,9 @@
 acpi_ut_debug_print_raw (
 	u32                             requested_debug_level,
 	u32                             line_number,
-	struct acpi_debug_print_info    *dbg_info,
+	char                            *function_name,
+	char                            *module_name,
+	u32                             component_id,
 	char                            *format,
 	...) ACPI_PRINTF_LIKE_FUNC;
 
@@ -477,8 +493,8 @@
 	u32                             line_number,
 	u32                             component_id);
 
-#define acpi_ut_create_internal_object(t) acpi_ut_create_internal_object_dbg (_THIS_MODULE,__LINE__,_COMPONENT,t)
-#define acpi_ut_allocate_object_desc()  acpi_ut_allocate_object_desc_dbg (_THIS_MODULE,__LINE__,_COMPONENT)
+#define acpi_ut_create_internal_object(t) acpi_ut_create_internal_object_dbg (_acpi_module_name,__LINE__,_COMPONENT,t)
+#define acpi_ut_allocate_object_desc()  acpi_ut_allocate_object_desc_dbg (_acpi_module_name,__LINE__,_COMPONENT)
 
 void
 acpi_ut_delete_object_desc (
@@ -579,6 +595,14 @@
  * utmisc
  */
 acpi_status
+acpi_ut_allocate_owner_id (
+	acpi_owner_id                   *owner_id);
+
+acpi_status
+acpi_ut_release_owner_id (
+	acpi_owner_id                   owner_id);
+
+acpi_status
 acpi_ut_walk_package_tree (
 	union acpi_operand_object       *source_object,
 	void                            *target_object,
diff --git a/include/acpi/platform/acgcc.h b/include/acpi/platform/acgcc.h
index 91fda36..3926412 100644
--- a/include/acpi/platform/acgcc.h
+++ b/include/acpi/platform/acgcc.h
@@ -44,13 +44,17 @@
 #ifndef __ACGCC_H__
 #define __ACGCC_H__
 
+/* Function name is used for debug output. Non-ANSI, compiler-dependent */
+
+#define ACPI_GET_FUNCTION_NAME          __FUNCTION__
+
 /* This macro is used to tag functions as "printf-like" because
  * some compilers (like GCC) can catch printf format string problems.
  */
-#define ACPI_PRINTF_LIKE_FUNC __attribute__ ((__format__ (__printf__, 4, 5)))
+#define ACPI_PRINTF_LIKE_FUNC __attribute__ ((__format__ (__printf__, 6, 7)))
 
 /* Some compilers complain about unused variables. Sometimes we don't want to
- * use all the variables (most specifically for _THIS_MODULE). This allow us
+ * use all the variables (for example, _acpi_module_name). This allows us
  * to to tell the compiler warning in a per-variable manner that a variable
  * is unused.
  */