ACPICA: Fix AcpiWalkNamespace race condition with table unload

[safe/jmp/linux-2.6] / drivers / acpi / acpica / acutils.h

diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h
index 80d8813..897810b 100644 (file)
--- a/drivers/acpi/acpica/acutils.h
+++ b/drivers/acpi/acpica/acutils.h
@@ -346,6 +346,21 @@ acpi_status
 acpi_ut_execute_sxds(struct acpi_namespace_node *device_node, u8 * highest);
 
 /*
+ * utlock - reader/writer locks
+ */
+acpi_status acpi_ut_create_rw_lock(struct acpi_rw_lock *lock);
+
+void acpi_ut_delete_rw_lock(struct acpi_rw_lock *lock);
+
+acpi_status acpi_ut_acquire_read_lock(struct acpi_rw_lock *lock);
+
+acpi_status acpi_ut_release_read_lock(struct acpi_rw_lock *lock);
+
+acpi_status acpi_ut_acquire_write_lock(struct acpi_rw_lock *lock);
+
+void acpi_ut_release_write_lock(struct acpi_rw_lock *lock);
+
+/*
  * utobject - internal object create/delete/cache routines
  */
 union acpi_operand_object *acpi_ut_create_internal_object_dbg(const char