ACPICA: Fix race condition with AcpiWalkNamespace.

Fixed a problem with a possible race condition between threads executing
AcpiWalkNamespace and the AML interpreter. This condition was removed by
modifying AcpiWalkNamespace to (by default) ignore all temporary
namespace entries created during any concurrent control method execution

Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/acpi/aclocal.h b/include/acpi/aclocal.h
index 553763d7312a..287da6fe256c 100644
--- a/include/acpi/aclocal.h
+++ b/include/acpi/aclocal.h
@@ -204,7 +204,7 @@ struct acpi_namespace_node {
 /* Namespace Node flags */
 
 #define ANOBJ_END_OF_PEER_LIST          0x01    /* End-of-list, Peer field points to parent */
-#define ANOBJ_RESERVED                  0x02    /* Available for future use */
+#define ANOBJ_TEMPORARY                 0x02    /* Node is create by a method and is temporary */
 #define ANOBJ_METHOD_ARG                0x04    /* Node is a method argument */
 #define ANOBJ_METHOD_LOCAL              0x08    /* Node is a method local */
 #define ANOBJ_SUBTREE_HAS_INI           0x10    /* Used to optimize device initialization */