[ACPI] ACPICA 20051202

Modified the parsing of control methods to no longer
create namespace objects during the first pass of the
parse. Objects are now created only during the execute
phase, at the moment the namespace creation operator
is encountered in the AML (Name, OperationRegion,
CreateByteField, etc.) This should eliminate ALREADY_EXISTS
exceptions seen on some machines where reentrant control
methods are protected by an AML mutex. The mutex will now
correctly block multiple threads from attempting to create
the same object more than once.

Increased the number of available Owner Ids for namespace
object tracking from 32 to 255. This should eliminate the
OWNER_ID_LIMIT exceptions seen on some machines with a
large number of ACPI tables (either static or dynamic).

Enhanced the namespace dump routine to output the owner
ID for each namespace object.

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

3 files changed, 12 insertions, 3 deletions

diff --git a/include/acpi/acconfig.h b/include/acpi/acconfig.h
index 08eafece3eed..f48b9ee9a876 100644
--- a/include/acpi/acconfig.h
+++ b/include/acpi/acconfig.h
@@ -63,7 +63,7 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION                 0x20051117
+#define ACPI_CA_VERSION                 0x20051202
 
 /*
  * OS name, used for the _OS object.  The _OS object is essentially obsolete,
@@ -110,6 +110,10 @@
 
 #define ACPI_SYSMEM_REGION_WINDOW_SIZE  4096
 
+/* owner_id tracking. 8 entries allows for 255 owner_ids */
+
+#define ACPI_NUM_OWNERID_MASKS          8
+
 /******************************************************************************
  *
  * ACPI Specification constants (Do not change unless the specification changes)
diff --git a/include/acpi/acglobal.h b/include/acpi/acglobal.h
index bd344e51313b..3f37560c26ab 100644
--- a/include/acpi/acglobal.h
+++ b/include/acpi/acglobal.h
@@ -220,10 +220,11 @@ ACPI_EXTERN u32 acpi_gbl_original_mode;
 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 u32 acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS];
 ACPI_EXTERN u16 acpi_gbl_pm1_enable_register_save;
 ACPI_EXTERN u16 acpi_gbl_global_lock_handle;
-ACPI_EXTERN u8 acpi_gbl_last_owner_id;
+ACPI_EXTERN u8 acpi_gbl_last_owner_id_index;
+ACPI_EXTERN u8 acpi_gbl_next_owner_id_offset;
 ACPI_EXTERN u8 acpi_gbl_debugger_configuration;
 ACPI_EXTERN u8 acpi_gbl_global_lock_acquired;
 ACPI_EXTERN u8 acpi_gbl_step_to_next_call;
diff --git a/include/acpi/acmacros.h b/include/acpi/acmacros.h
index 5b78ff4091b9..65a1a5c1a689 100644
--- a/include/acpi/acmacros.h
+++ b/include/acpi/acmacros.h
@@ -332,6 +332,10 @@
 #define ACPI_MUL_16(a)                  _ACPI_MUL(a,4)
 #define ACPI_MOD_16(a)                  _ACPI_MOD(a,16)
 
+#define ACPI_DIV_32(a)                  _ACPI_DIV(a,5)
+#define ACPI_MUL_32(a)                  _ACPI_MUL(a,5)
+#define ACPI_MOD_32(a)                  _ACPI_MOD(a,32)
+
 /*
  * Rounding macros (Power of two boundaries only)
  */