ACPICA: fix acpi_serialize hang regression

http://bugzilla.kernel.org/show_bug.cgi?id=8171

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

drivers/acpi/events/evregion.c

@@ -344,15 +344,15 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 		 * setup will potentially execute control methods
 		 * (e.g., _REG method for this region)
 		 */
-		acpi_ex_relinquish_interpreter();
+		acpi_ex_exit_interpreter();
 
 		status = region_setup(region_obj, ACPI_REGION_ACTIVATE,
 				      handler_desc->address_space.context,
 				      &region_context);
 
 		/* Re-enter the interpreter */
 
-		acpi_ex_reacquire_interpreter();
+		acpi_ex_enter_interpreter();
 
 		/* Check for failure of the Region Setup */
 
@@ -405,7 +405,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 		 * exit the interpreter because the handler *might* block -- we don't
 		 * know what it will do, so we can't hold the lock on the intepreter.
 		 */
-		acpi_ex_relinquish_interpreter();
+		acpi_ex_exit_interpreter();
 	}
 
 	/* Call the handler */
@@ -426,7 +426,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj,
 		 * We just returned from a non-default handler, we must re-enter the
 		 * interpreter
 		 */
-		acpi_ex_reacquire_interpreter();
+		acpi_ex_enter_interpreter();
 	}
 
 	return_ACPI_STATUS(status);