Merge branch 'acpica' into linux-next

* acpica: (22 commits)
  ACPI: Set length even for TYPE_END_TAG acpi resource
  ACPICA: Update version to 20130214
  ACPICA: Object repair: Allow 0-length packages for variable-length packages
  ACPICA: Disassembler: Add warnings for unresolved control methods
  ACPICA: Return object repair: Add resource template repairs
  ACPICA: Return object repair: Add string-to-unicode conversion
  ACPICA: Split object conversion functions to a new file
  ACPICA: Add mechanism for early object repairs on a per-name basis
  ACPICA: Remove trailing comma in enum declarations
  ACPICA: Add exception descriptions to exception info table
  ACPICA: Add macros to exception code definitions
  ACPICA: Regression fix: reinstate safe exit macros
  ACPICA: Update for ACPI 5 hardware-reduced feature
  ACPICA: Add parens within macros around parameter names
  ACPICA: Add macros to access pointer to next object in the descriptor list
  ACPICA: Update error/debug messages for fixed events
  ACPICA: Fix a long-standing bug in local cache
  ACPICA: iASL/Disassembler: Add support for MTMR table
  ACPICA: iASL/Disassembler: Add support for VRTC table
  ACPICA: Update RASF table definition
  ...

6 files changed, 402 insertions, 217 deletions

diff --git a/include/acpi/acexcep.h b/include/acpi/acexcep.h
index 9bf59d0e8aaa..cf051e05a8fe 100644
--- a/include/acpi/acexcep.h
+++ b/include/acpi/acexcep.h
@@ -44,17 +44,50 @@
 #ifndef __ACEXCEP_H__
 #define __ACEXCEP_H__
 
+/* This module contains all possible exception codes for acpi_status */
+
 /*
- * Exceptions returned by external ACPI interfaces
+ * Exception code classes
  */
-#define AE_CODE_ENVIRONMENTAL           0x0000
-#define AE_CODE_PROGRAMMER              0x1000
-#define AE_CODE_ACPI_TABLES             0x2000
-#define AE_CODE_AML                     0x3000
-#define AE_CODE_CONTROL                 0x4000
+#define AE_CODE_ENVIRONMENTAL           0x0000	/* General ACPICA environment */
+#define AE_CODE_PROGRAMMER              0x1000	/* External ACPICA interface caller */
+#define AE_CODE_ACPI_TABLES             0x2000	/* ACPI tables */
+#define AE_CODE_AML                     0x3000	/* From executing AML code */
+#define AE_CODE_CONTROL                 0x4000	/* Internal control codes */
+
 #define AE_CODE_MAX                     0x4000
 #define AE_CODE_MASK                    0xF000
 
+/*
+ * Macros to insert the exception code classes
+ */
+#define EXCEP_ENV(code)                 ((acpi_status) (code | AE_CODE_ENVIRONMENTAL))
+#define EXCEP_PGM(code)                 ((acpi_status) (code | AE_CODE_PROGRAMMER))
+#define EXCEP_TBL(code)                 ((acpi_status) (code | AE_CODE_ACPI_TABLES))
+#define EXCEP_AML(code)                 ((acpi_status) (code | AE_CODE_AML))
+#define EXCEP_CTL(code)                 ((acpi_status) (code | AE_CODE_CONTROL))
+
+/*
+ * Exception info table. The "Description" field is used only by the
+ * ACPICA help application (acpihelp).
+ */
+struct acpi_exception_info {
+	char *name;
+
+#ifdef ACPI_HELP_APP
+	char *description;
+#endif
+};
+
+#ifdef ACPI_HELP_APP
+#define EXCEP_TXT(name,description)     {name, description}
+#else
+#define EXCEP_TXT(name,description)     {name}
+#endif
+
+/*
+ * Success is always zero, failure is non-zero
+ */
 #define ACPI_SUCCESS(a)                 (!(a))
 #define ACPI_FAILURE(a)                 (a)
 
@@ -64,60 +97,60 @@
 /*
  * Environmental exceptions
  */
-#define AE_ERROR                        (acpi_status) (0x0001 | AE_CODE_ENVIRONMENTAL)
-#define AE_NO_ACPI_TABLES               (acpi_status) (0x0002 | AE_CODE_ENVIRONMENTAL)
-#define AE_NO_NAMESPACE                 (acpi_status) (0x0003 | AE_CODE_ENVIRONMENTAL)
-#define AE_NO_MEMORY                    (acpi_status) (0x0004 | AE_CODE_ENVIRONMENTAL)
-#define AE_NOT_FOUND                    (acpi_status) (0x0005 | AE_CODE_ENVIRONMENTAL)
-#define AE_NOT_EXIST                    (acpi_status) (0x0006 | AE_CODE_ENVIRONMENTAL)
-#define AE_ALREADY_EXISTS               (acpi_status) (0x0007 | AE_CODE_ENVIRONMENTAL)
-#define AE_TYPE                         (acpi_status) (0x0008 | AE_CODE_ENVIRONMENTAL)
-#define AE_NULL_OBJECT                  (acpi_status) (0x0009 | AE_CODE_ENVIRONMENTAL)
-#define AE_NULL_ENTRY                   (acpi_status) (0x000A | AE_CODE_ENVIRONMENTAL)
-#define AE_BUFFER_OVERFLOW              (acpi_status) (0x000B | AE_CODE_ENVIRONMENTAL)
-#define AE_STACK_OVERFLOW               (acpi_status) (0x000C | AE_CODE_ENVIRONMENTAL)
-#define AE_STACK_UNDERFLOW              (acpi_status) (0x000D | AE_CODE_ENVIRONMENTAL)
-#define AE_NOT_IMPLEMENTED              (acpi_status) (0x000E | AE_CODE_ENVIRONMENTAL)
-#define AE_SUPPORT                      (acpi_status) (0x000F | AE_CODE_ENVIRONMENTAL)
-#define AE_LIMIT                        (acpi_status) (0x0010 | AE_CODE_ENVIRONMENTAL)
-#define AE_TIME                         (acpi_status) (0x0011 | AE_CODE_ENVIRONMENTAL)
-#define AE_ACQUIRE_DEADLOCK             (acpi_status) (0x0012 | AE_CODE_ENVIRONMENTAL)
-#define AE_RELEASE_DEADLOCK             (acpi_status) (0x0013 | AE_CODE_ENVIRONMENTAL)
-#define AE_NOT_ACQUIRED                 (acpi_status) (0x0014 | AE_CODE_ENVIRONMENTAL)
-#define AE_ALREADY_ACQUIRED             (acpi_status) (0x0015 | AE_CODE_ENVIRONMENTAL)
-#define AE_NO_HARDWARE_RESPONSE         (acpi_status) (0x0016 | AE_CODE_ENVIRONMENTAL)
-#define AE_NO_GLOBAL_LOCK               (acpi_status) (0x0017 | AE_CODE_ENVIRONMENTAL)
-#define AE_ABORT_METHOD                 (acpi_status) (0x0018 | AE_CODE_ENVIRONMENTAL)
-#define AE_SAME_HANDLER                 (acpi_status) (0x0019 | AE_CODE_ENVIRONMENTAL)
-#define AE_NO_HANDLER                   (acpi_status) (0x001A | AE_CODE_ENVIRONMENTAL)
-#define AE_OWNER_ID_LIMIT               (acpi_status) (0x001B | AE_CODE_ENVIRONMENTAL)
-#define AE_NOT_CONFIGURED               (acpi_status) (0x001C | AE_CODE_ENVIRONMENTAL)
+#define AE_ERROR                        EXCEP_ENV (0x0001)
+#define AE_NO_ACPI_TABLES               EXCEP_ENV (0x0002)
+#define AE_NO_NAMESPACE                 EXCEP_ENV (0x0003)
+#define AE_NO_MEMORY                    EXCEP_ENV (0x0004)
+#define AE_NOT_FOUND                    EXCEP_ENV (0x0005)
+#define AE_NOT_EXIST                    EXCEP_ENV (0x0006)
+#define AE_ALREADY_EXISTS               EXCEP_ENV (0x0007)
+#define AE_TYPE                         EXCEP_ENV (0x0008)
+#define AE_NULL_OBJECT                  EXCEP_ENV (0x0009)
+#define AE_NULL_ENTRY                   EXCEP_ENV (0x000A)
+#define AE_BUFFER_OVERFLOW              EXCEP_ENV (0x000B)
+#define AE_STACK_OVERFLOW               EXCEP_ENV (0x000C)
+#define AE_STACK_UNDERFLOW              EXCEP_ENV (0x000D)
+#define AE_NOT_IMPLEMENTED              EXCEP_ENV (0x000E)
+#define AE_SUPPORT                      EXCEP_ENV (0x000F)
+#define AE_LIMIT                        EXCEP_ENV (0x0010)
+#define AE_TIME                         EXCEP_ENV (0x0011)
+#define AE_ACQUIRE_DEADLOCK             EXCEP_ENV (0x0012)
+#define AE_RELEASE_DEADLOCK             EXCEP_ENV (0x0013)
+#define AE_NOT_ACQUIRED                 EXCEP_ENV (0x0014)
+#define AE_ALREADY_ACQUIRED             EXCEP_ENV (0x0015)
+#define AE_NO_HARDWARE_RESPONSE         EXCEP_ENV (0x0016)
+#define AE_NO_GLOBAL_LOCK               EXCEP_ENV (0x0017)
+#define AE_ABORT_METHOD                 EXCEP_ENV (0x0018)
+#define AE_SAME_HANDLER                 EXCEP_ENV (0x0019)
+#define AE_NO_HANDLER                   EXCEP_ENV (0x001A)
+#define AE_OWNER_ID_LIMIT               EXCEP_ENV (0x001B)
+#define AE_NOT_CONFIGURED               EXCEP_ENV (0x001C)
 
 #define AE_CODE_ENV_MAX                 0x001C
 
 /*
  * Programmer exceptions
  */
-#define AE_BAD_PARAMETER                (acpi_status) (0x0001 | AE_CODE_PROGRAMMER)
-#define AE_BAD_CHARACTER                (acpi_status) (0x0002 | AE_CODE_PROGRAMMER)
-#define AE_BAD_PATHNAME                 (acpi_status) (0x0003 | AE_CODE_PROGRAMMER)
-#define AE_BAD_DATA                     (acpi_status) (0x0004 | AE_CODE_PROGRAMMER)
-#define AE_BAD_HEX_CONSTANT             (acpi_status) (0x0005 | AE_CODE_PROGRAMMER)
-#define AE_BAD_OCTAL_CONSTANT           (acpi_status) (0x0006 | AE_CODE_PROGRAMMER)
-#define AE_BAD_DECIMAL_CONSTANT         (acpi_status) (0x0007 | AE_CODE_PROGRAMMER)
-#define AE_MISSING_ARGUMENTS            (acpi_status) (0x0008 | AE_CODE_PROGRAMMER)
-#define AE_BAD_ADDRESS                  (acpi_status) (0x0009 | AE_CODE_PROGRAMMER)
+#define AE_BAD_PARAMETER                EXCEP_PGM (0x0001)
+#define AE_BAD_CHARACTER                EXCEP_PGM (0x0002)
+#define AE_BAD_PATHNAME                 EXCEP_PGM (0x0003)
+#define AE_BAD_DATA                     EXCEP_PGM (0x0004)
+#define AE_BAD_HEX_CONSTANT             EXCEP_PGM (0x0005)
+#define AE_BAD_OCTAL_CONSTANT           EXCEP_PGM (0x0006)
+#define AE_BAD_DECIMAL_CONSTANT         EXCEP_PGM (0x0007)
+#define AE_MISSING_ARGUMENTS            EXCEP_PGM (0x0008)
+#define AE_BAD_ADDRESS                  EXCEP_PGM (0x0009)
 
 #define AE_CODE_PGM_MAX                 0x0009
 
 /*
  * Acpi table exceptions
  */
-#define AE_BAD_SIGNATURE                (acpi_status) (0x0001 | AE_CODE_ACPI_TABLES)
-#define AE_BAD_HEADER                   (acpi_status) (0x0002 | AE_CODE_ACPI_TABLES)
-#define AE_BAD_CHECKSUM                 (acpi_status) (0x0003 | AE_CODE_ACPI_TABLES)
-#define AE_BAD_VALUE                    (acpi_status) (0x0004 | AE_CODE_ACPI_TABLES)
-#define AE_INVALID_TABLE_LENGTH         (acpi_status) (0x0005 | AE_CODE_ACPI_TABLES)
+#define AE_BAD_SIGNATURE                EXCEP_TBL (0x0001)
+#define AE_BAD_HEADER                   EXCEP_TBL (0x0002)
+#define AE_BAD_CHECKSUM                 EXCEP_TBL (0x0003)
+#define AE_BAD_VALUE                    EXCEP_TBL (0x0004)
+#define AE_INVALID_TABLE_LENGTH         EXCEP_TBL (0x0005)
 
 #define AE_CODE_TBL_MAX                 0x0005
 
@@ -125,58 +158,58 @@
  * AML exceptions. These are caused by problems with
  * the actual AML byte stream
  */
-#define AE_AML_BAD_OPCODE               (acpi_status) (0x0001 | AE_CODE_AML)
-#define AE_AML_NO_OPERAND               (acpi_status) (0x0002 | AE_CODE_AML)
-#define AE_AML_OPERAND_TYPE             (acpi_status) (0x0003 | AE_CODE_AML)
-#define AE_AML_OPERAND_VALUE            (acpi_status) (0x0004 | AE_CODE_AML)
-#define AE_AML_UNINITIALIZED_LOCAL      (acpi_status) (0x0005 | AE_CODE_AML)
-#define AE_AML_UNINITIALIZED_ARG        (acpi_status) (0x0006 | AE_CODE_AML)
-#define AE_AML_UNINITIALIZED_ELEMENT    (acpi_status) (0x0007 | AE_CODE_AML)
-#define AE_AML_NUMERIC_OVERFLOW         (acpi_status) (0x0008 | AE_CODE_AML)
-#define AE_AML_REGION_LIMIT             (acpi_status) (0x0009 | AE_CODE_AML)
-#define AE_AML_BUFFER_LIMIT             (acpi_status) (0x000A | AE_CODE_AML)
-#define AE_AML_PACKAGE_LIMIT            (acpi_status) (0x000B | AE_CODE_AML)
-#define AE_AML_DIVIDE_BY_ZERO           (acpi_status) (0x000C | AE_CODE_AML)
-#define AE_AML_BAD_NAME                 (acpi_status) (0x000D | AE_CODE_AML)
-#define AE_AML_NAME_NOT_FOUND           (acpi_status) (0x000E | AE_CODE_AML)
-#define AE_AML_INTERNAL                 (acpi_status) (0x000F | AE_CODE_AML)
-#define AE_AML_INVALID_SPACE_ID         (acpi_status) (0x0010 | AE_CODE_AML)
-#define AE_AML_STRING_LIMIT             (acpi_status) (0x0011 | AE_CODE_AML)
-#define AE_AML_NO_RETURN_VALUE          (acpi_status) (0x0012 | AE_CODE_AML)
-#define AE_AML_METHOD_LIMIT             (acpi_status) (0x0013 | AE_CODE_AML)
-#define AE_AML_NOT_OWNER                (acpi_status) (0x0014 | AE_CODE_AML)
-#define AE_AML_MUTEX_ORDER              (acpi_status) (0x0015 | AE_CODE_AML)
-#define AE_AML_MUTEX_NOT_ACQUIRED       (acpi_status) (0x0016 | AE_CODE_AML)
-#define AE_AML_INVALID_RESOURCE_TYPE    (acpi_status) (0x0017 | AE_CODE_AML)
-#define AE_AML_INVALID_INDEX            (acpi_status) (0x0018 | AE_CODE_AML)
-#define AE_AML_REGISTER_LIMIT           (acpi_status) (0x0019 | AE_CODE_AML)
-#define AE_AML_NO_WHILE                 (acpi_status) (0x001A | AE_CODE_AML)
-#define AE_AML_ALIGNMENT                (acpi_status) (0x001B | AE_CODE_AML)
-#define AE_AML_NO_RESOURCE_END_TAG      (acpi_status) (0x001C | AE_CODE_AML)
-#define AE_AML_BAD_RESOURCE_VALUE       (acpi_status) (0x001D | AE_CODE_AML)
-#define AE_AML_CIRCULAR_REFERENCE       (acpi_status) (0x001E | AE_CODE_AML)
-#define AE_AML_BAD_RESOURCE_LENGTH      (acpi_status) (0x001F | AE_CODE_AML)
-#define AE_AML_ILLEGAL_ADDRESS          (acpi_status) (0x0020 | AE_CODE_AML)
-#define AE_AML_INFINITE_LOOP            (acpi_status) (0x0021 | AE_CODE_AML)
+#define AE_AML_BAD_OPCODE               EXCEP_AML (0x0001)
+#define AE_AML_NO_OPERAND               EXCEP_AML (0x0002)
+#define AE_AML_OPERAND_TYPE             EXCEP_AML (0x0003)
+#define AE_AML_OPERAND_VALUE            EXCEP_AML (0x0004)
+#define AE_AML_UNINITIALIZED_LOCAL      EXCEP_AML (0x0005)
+#define AE_AML_UNINITIALIZED_ARG        EXCEP_AML (0x0006)
+#define AE_AML_UNINITIALIZED_ELEMENT    EXCEP_AML (0x0007)
+#define AE_AML_NUMERIC_OVERFLOW         EXCEP_AML (0x0008)
+#define AE_AML_REGION_LIMIT             EXCEP_AML (0x0009)
+#define AE_AML_BUFFER_LIMIT             EXCEP_AML (0x000A)
+#define AE_AML_PACKAGE_LIMIT            EXCEP_AML (0x000B)
+#define AE_AML_DIVIDE_BY_ZERO           EXCEP_AML (0x000C)
+#define AE_AML_BAD_NAME                 EXCEP_AML (0x000D)
+#define AE_AML_NAME_NOT_FOUND           EXCEP_AML (0x000E)
+#define AE_AML_INTERNAL                 EXCEP_AML (0x000F)
+#define AE_AML_INVALID_SPACE_ID         EXCEP_AML (0x0010)
+#define AE_AML_STRING_LIMIT             EXCEP_AML (0x0011)
+#define AE_AML_NO_RETURN_VALUE          EXCEP_AML (0x0012)
+#define AE_AML_METHOD_LIMIT             EXCEP_AML (0x0013)
+#define AE_AML_NOT_OWNER                EXCEP_AML (0x0014)
+#define AE_AML_MUTEX_ORDER              EXCEP_AML (0x0015)
+#define AE_AML_MUTEX_NOT_ACQUIRED       EXCEP_AML (0x0016)
+#define AE_AML_INVALID_RESOURCE_TYPE    EXCEP_AML (0x0017)
+#define AE_AML_INVALID_INDEX            EXCEP_AML (0x0018)
+#define AE_AML_REGISTER_LIMIT           EXCEP_AML (0x0019)
+#define AE_AML_NO_WHILE                 EXCEP_AML (0x001A)
+#define AE_AML_ALIGNMENT                EXCEP_AML (0x001B)
+#define AE_AML_NO_RESOURCE_END_TAG      EXCEP_AML (0x001C)
+#define AE_AML_BAD_RESOURCE_VALUE       EXCEP_AML (0x001D)
+#define AE_AML_CIRCULAR_REFERENCE       EXCEP_AML (0x001E)
+#define AE_AML_BAD_RESOURCE_LENGTH      EXCEP_AML (0x001F)
+#define AE_AML_ILLEGAL_ADDRESS          EXCEP_AML (0x0020)
+#define AE_AML_INFINITE_LOOP            EXCEP_AML (0x0021)
 
 #define AE_CODE_AML_MAX                 0x0021
 
 /*
  * Internal exceptions used for control
  */
-#define AE_CTRL_RETURN_VALUE            (acpi_status) (0x0001 | AE_CODE_CONTROL)
-#define AE_CTRL_PENDING                 (acpi_status) (0x0002 | AE_CODE_CONTROL)
-#define AE_CTRL_TERMINATE               (acpi_status) (0x0003 | AE_CODE_CONTROL)
-#define AE_CTRL_TRUE                    (acpi_status) (0x0004 | AE_CODE_CONTROL)
-#define AE_CTRL_FALSE                   (acpi_status) (0x0005 | AE_CODE_CONTROL)
-#define AE_CTRL_DEPTH                   (acpi_status) (0x0006 | AE_CODE_CONTROL)
-#define AE_CTRL_END                     (acpi_status) (0x0007 | AE_CODE_CONTROL)
-#define AE_CTRL_TRANSFER                (acpi_status) (0x0008 | AE_CODE_CONTROL)
-#define AE_CTRL_BREAK                   (acpi_status) (0x0009 | AE_CODE_CONTROL)
-#define AE_CTRL_CONTINUE                (acpi_status) (0x000A | AE_CODE_CONTROL)
-#define AE_CTRL_SKIP                    (acpi_status) (0x000B | AE_CODE_CONTROL)
-#define AE_CTRL_PARSE_CONTINUE          (acpi_status) (0x000C | AE_CODE_CONTROL)
-#define AE_CTRL_PARSE_PENDING           (acpi_status) (0x000D | AE_CODE_CONTROL)
+#define AE_CTRL_RETURN_VALUE            EXCEP_CTL (0x0001)
+#define AE_CTRL_PENDING                 EXCEP_CTL (0x0002)
+#define AE_CTRL_TERMINATE               EXCEP_CTL (0x0003)
+#define AE_CTRL_TRUE                    EXCEP_CTL (0x0004)
+#define AE_CTRL_FALSE                   EXCEP_CTL (0x0005)
+#define AE_CTRL_DEPTH                   EXCEP_CTL (0x0006)
+#define AE_CTRL_END                     EXCEP_CTL (0x0007)
+#define AE_CTRL_TRANSFER                EXCEP_CTL (0x0008)
+#define AE_CTRL_BREAK                   EXCEP_CTL (0x0009)
+#define AE_CTRL_CONTINUE                EXCEP_CTL (0x000A)
+#define AE_CTRL_SKIP                    EXCEP_CTL (0x000B)
+#define AE_CTRL_PARSE_CONTINUE          EXCEP_CTL (0x000C)
+#define AE_CTRL_PARSE_PENDING           EXCEP_CTL (0x000D)
 
 #define AE_CODE_CTRL_MAX                0x000D
 
@@ -188,112 +221,156 @@
  * String versions of the exception codes above
  * These strings must match the corresponding defines exactly
  */
-char const *acpi_gbl_exception_names_env[] = {
-	"AE_OK",
-	"AE_ERROR",
-	"AE_NO_ACPI_TABLES",
-	"AE_NO_NAMESPACE",
-	"AE_NO_MEMORY",
-	"AE_NOT_FOUND",
-	"AE_NOT_EXIST",
-	"AE_ALREADY_EXISTS",
-	"AE_TYPE",
-	"AE_NULL_OBJECT",
-	"AE_NULL_ENTRY",
-	"AE_BUFFER_OVERFLOW",
-	"AE_STACK_OVERFLOW",
-	"AE_STACK_UNDERFLOW",
-	"AE_NOT_IMPLEMENTED",
-	"AE_SUPPORT",
-	"AE_LIMIT",
-	"AE_TIME",
-	"AE_ACQUIRE_DEADLOCK",
-	"AE_RELEASE_DEADLOCK",
-	"AE_NOT_ACQUIRED",
-	"AE_ALREADY_ACQUIRED",
-	"AE_NO_HARDWARE_RESPONSE",
-	"AE_NO_GLOBAL_LOCK",
-	"AE_ABORT_METHOD",
-	"AE_SAME_HANDLER",
-	"AE_NO_HANDLER",
-	"AE_OWNER_ID_LIMIT",
-	"AE_NOT_CONFIGURED"
+static const struct acpi_exception_info acpi_gbl_exception_names_env[] = {
+	EXCEP_TXT("AE_OK", "No error"),
+	EXCEP_TXT("AE_ERROR", "Unspecified error"),
+	EXCEP_TXT("AE_NO_ACPI_TABLES", "ACPI tables could not be found"),
+	EXCEP_TXT("AE_NO_NAMESPACE", "A namespace has not been loaded"),
+	EXCEP_TXT("AE_NO_MEMORY", "Insufficient dynamic memory"),
+	EXCEP_TXT("AE_NOT_FOUND", "The name was not found in the namespace"),
+	EXCEP_TXT("AE_NOT_EXIST", "A required entity does not exist"),
+	EXCEP_TXT("AE_ALREADY_EXISTS", "An entity already exists"),
+	EXCEP_TXT("AE_TYPE", "The object type is incorrect"),
+	EXCEP_TXT("AE_NULL_OBJECT", "A required object was missing"),
+	EXCEP_TXT("AE_NULL_ENTRY", "The requested object does not exist"),
+	EXCEP_TXT("AE_BUFFER_OVERFLOW", "The buffer provided is too small"),
+	EXCEP_TXT("AE_STACK_OVERFLOW", "An internal stack overflowed"),
+	EXCEP_TXT("AE_STACK_UNDERFLOW", "An internal stack underflowed"),
+	EXCEP_TXT("AE_NOT_IMPLEMENTED", "The feature is not implemented"),
+	EXCEP_TXT("AE_SUPPORT", "The feature is not supported"),
+	EXCEP_TXT("AE_LIMIT", "A predefined limit was exceeded"),
+	EXCEP_TXT("AE_TIME", "A time limit or timeout expired"),
+	EXCEP_TXT("AE_ACQUIRE_DEADLOCK",
+		  "Internal error, attempt was made to acquire a mutex in improper order"),
+	EXCEP_TXT("AE_RELEASE_DEADLOCK",
+		  "Internal error, attempt was made to release a mutex in improper order"),
+	EXCEP_TXT("AE_NOT_ACQUIRED",
+		  "An attempt to release a mutex or Global Lock without a previous acquire"),
+	EXCEP_TXT("AE_ALREADY_ACQUIRED",
+		  "Internal error, attempt was made to acquire a mutex twice"),
+	EXCEP_TXT("AE_NO_HARDWARE_RESPONSE",
+		  "Hardware did not respond after an I/O operation"),
+	EXCEP_TXT("AE_NO_GLOBAL_LOCK", "There is no FACS Global Lock"),
+	EXCEP_TXT("AE_ABORT_METHOD", "A control method was aborted"),
+	EXCEP_TXT("AE_SAME_HANDLER",
+		  "Attempt was made to install the same handler that is already installed"),
+	EXCEP_TXT("AE_NO_HANDLER",
+		  "A handler for the operation is not installed"),
+	EXCEP_TXT("AE_OWNER_ID_LIMIT",
+		  "There are no more Owner IDs available for ACPI tables or control methods"),
+	EXCEP_TXT("AE_NOT_CONFIGURED",
+		  "The interface is not part of the current subsystem configuration")
 };
 
-char const *acpi_gbl_exception_names_pgm[] = {
-	NULL,
-	"AE_BAD_PARAMETER",
-	"AE_BAD_CHARACTER",
-	"AE_BAD_PATHNAME",
-	"AE_BAD_DATA",
-	"AE_BAD_HEX_CONSTANT",
-	"AE_BAD_OCTAL_CONSTANT",
-	"AE_BAD_DECIMAL_CONSTANT",
-	"AE_MISSING_ARGUMENTS",
-	"AE_BAD_ADDRESS"
+static const struct acpi_exception_info acpi_gbl_exception_names_pgm[] = {
+	EXCEP_TXT(NULL, NULL),
+	EXCEP_TXT("AE_BAD_PARAMETER", "A parameter is out of range or invalid"),
+	EXCEP_TXT("AE_BAD_CHARACTER",
+		  "An invalid character was found in a name"),
+	EXCEP_TXT("AE_BAD_PATHNAME",
+		  "An invalid character was found in a pathname"),
+	EXCEP_TXT("AE_BAD_DATA",
+		  "A package or buffer contained incorrect data"),
+	EXCEP_TXT("AE_BAD_HEX_CONSTANT", "Invalid character in a Hex constant"),
+	EXCEP_TXT("AE_BAD_OCTAL_CONSTANT",
+		  "Invalid character in an Octal constant"),
+	EXCEP_TXT("AE_BAD_DECIMAL_CONSTANT",
+		  "Invalid character in a Decimal constant"),
+	EXCEP_TXT("AE_MISSING_ARGUMENTS",
+		  "Too few arguments were passed to a control method"),
+	EXCEP_TXT("AE_BAD_ADDRESS", "An illegal null I/O address")
 };
 
-char const *acpi_gbl_exception_names_tbl[] = {
-	NULL,
-	"AE_BAD_SIGNATURE",
-	"AE_BAD_HEADER",
-	"AE_BAD_CHECKSUM",
-	"AE_BAD_VALUE",
-	"AE_INVALID_TABLE_LENGTH"
+static const struct acpi_exception_info acpi_gbl_exception_names_tbl[] = {
+	EXCEP_TXT(NULL, NULL),
+	EXCEP_TXT("AE_BAD_SIGNATURE", "An ACPI table has an invalid signature"),
+	EXCEP_TXT("AE_BAD_HEADER", "Invalid field in an ACPI table header"),
+	EXCEP_TXT("AE_BAD_CHECKSUM", "An ACPI table checksum is not correct"),
+	EXCEP_TXT("AE_BAD_VALUE", "An invalid value was found in a table"),
+	EXCEP_TXT("AE_INVALID_TABLE_LENGTH",
+		  "The FADT or FACS has improper length")
 };
 
-char const *acpi_gbl_exception_names_aml[] = {
-	NULL,
-	"AE_AML_BAD_OPCODE",
-	"AE_AML_NO_OPERAND",
-	"AE_AML_OPERAND_TYPE",
-	"AE_AML_OPERAND_VALUE",
-	"AE_AML_UNINITIALIZED_LOCAL",
-	"AE_AML_UNINITIALIZED_ARG",
-	"AE_AML_UNINITIALIZED_ELEMENT",
-	"AE_AML_NUMERIC_OVERFLOW",
-	"AE_AML_REGION_LIMIT",
-	"AE_AML_BUFFER_LIMIT",
-	"AE_AML_PACKAGE_LIMIT",
-	"AE_AML_DIVIDE_BY_ZERO",
-	"AE_AML_BAD_NAME",
-	"AE_AML_NAME_NOT_FOUND",
-	"AE_AML_INTERNAL",
-	"AE_AML_INVALID_SPACE_ID",
-	"AE_AML_STRING_LIMIT",
-	"AE_AML_NO_RETURN_VALUE",
-	"AE_AML_METHOD_LIMIT",
-	"AE_AML_NOT_OWNER",
-	"AE_AML_MUTEX_ORDER",
-	"AE_AML_MUTEX_NOT_ACQUIRED",
-	"AE_AML_INVALID_RESOURCE_TYPE",
-	"AE_AML_INVALID_INDEX",
-	"AE_AML_REGISTER_LIMIT",
-	"AE_AML_NO_WHILE",
-	"AE_AML_ALIGNMENT",
-	"AE_AML_NO_RESOURCE_END_TAG",
-	"AE_AML_BAD_RESOURCE_VALUE",
-	"AE_AML_CIRCULAR_REFERENCE",
-	"AE_AML_BAD_RESOURCE_LENGTH",
-	"AE_AML_ILLEGAL_ADDRESS",
-	"AE_AML_INFINITE_LOOP"
+static const struct acpi_exception_info acpi_gbl_exception_names_aml[] = {
+	EXCEP_TXT(NULL, NULL),
+	EXCEP_TXT("AE_AML_BAD_OPCODE", "Invalid AML opcode encountered"),
+	EXCEP_TXT("AE_AML_NO_OPERAND", "A required operand is missing"),
+	EXCEP_TXT("AE_AML_OPERAND_TYPE",
+		  "An operand of an incorrect type was encountered"),
+	EXCEP_TXT("AE_AML_OPERAND_VALUE",
+		  "The operand had an inappropriate or invalid value"),
+	EXCEP_TXT("AE_AML_UNINITIALIZED_LOCAL",
+		  "Method tried to use an uninitialized local variable"),
+	EXCEP_TXT("AE_AML_UNINITIALIZED_ARG",
+		  "Method tried to use an uninitialized argument"),
+	EXCEP_TXT("AE_AML_UNINITIALIZED_ELEMENT",
+		  "Method tried to use an empty package element"),
+	EXCEP_TXT("AE_AML_NUMERIC_OVERFLOW",
+		  "Overflow during BCD conversion or other"),
+	EXCEP_TXT("AE_AML_REGION_LIMIT",
+		  "Tried to access beyond the end of an Operation Region"),
+	EXCEP_TXT("AE_AML_BUFFER_LIMIT",
+		  "Tried to access beyond the end of a buffer"),
+	EXCEP_TXT("AE_AML_PACKAGE_LIMIT",
+		  "Tried to access beyond the end of a package"),
+	EXCEP_TXT("AE_AML_DIVIDE_BY_ZERO",
+		  "During execution of AML Divide operator"),
+	EXCEP_TXT("AE_AML_BAD_NAME",
+		  "An ACPI name contains invalid character(s)"),
+	EXCEP_TXT("AE_AML_NAME_NOT_FOUND",
+		  "Could not resolve a named reference"),
+	EXCEP_TXT("AE_AML_INTERNAL", "An internal error within the interprete"),
+	EXCEP_TXT("AE_AML_INVALID_SPACE_ID",
+		  "An Operation Region SpaceID is invalid"),
+	EXCEP_TXT("AE_AML_STRING_LIMIT",
+		  "String is longer than 200 characters"),
+	EXCEP_TXT("AE_AML_NO_RETURN_VALUE",
+		  "A method did not return a required value"),
+	EXCEP_TXT("AE_AML_METHOD_LIMIT",
+		  "A control method reached the maximum reentrancy limit of 255"),
+	EXCEP_TXT("AE_AML_NOT_OWNER",
+		  "A thread tried to release a mutex that it does not own"),
+	EXCEP_TXT("AE_AML_MUTEX_ORDER", "Mutex SyncLevel release mismatch"),
+	EXCEP_TXT("AE_AML_MUTEX_NOT_ACQUIRED",
+		  "Attempt to release a mutex that was not previously acquired"),
+	EXCEP_TXT("AE_AML_INVALID_RESOURCE_TYPE",
+		  "Invalid resource type in resource list"),
+	EXCEP_TXT("AE_AML_INVALID_INDEX",
+		  "Invalid Argx or Localx (x too large)"),
+	EXCEP_TXT("AE_AML_REGISTER_LIMIT",
+		  "Bank value or Index value beyond range of register"),
+	EXCEP_TXT("AE_AML_NO_WHILE", "Break or Continue without a While"),
+	EXCEP_TXT("AE_AML_ALIGNMENT",
+		  "Non-aligned memory transfer on platform that does not support this"),
+	EXCEP_TXT("AE_AML_NO_RESOURCE_END_TAG",
+		  "No End Tag in a resource list"),
+	EXCEP_TXT("AE_AML_BAD_RESOURCE_VALUE",
+		  "Invalid value of a resource element"),
+	EXCEP_TXT("AE_AML_CIRCULAR_REFERENCE",
+		  "Two references refer to each other"),
+	EXCEP_TXT("AE_AML_BAD_RESOURCE_LENGTH",
+		  "The length of a Resource Descriptor in the AML is incorrect"),
+	EXCEP_TXT("AE_AML_ILLEGAL_ADDRESS",
+		  "A memory, I/O, or PCI configuration address is invalid"),
+	EXCEP_TXT("AE_AML_INFINITE_LOOP",
+		  "An apparent infinite AML While loop, method was aborted")
 };
 
-char const *acpi_gbl_exception_names_ctrl[] = {
-	NULL,
-	"AE_CTRL_RETURN_VALUE",
-	"AE_CTRL_PENDING",
-	"AE_CTRL_TERMINATE",
-	"AE_CTRL_TRUE",
-	"AE_CTRL_FALSE",
-	"AE_CTRL_DEPTH",
-	"AE_CTRL_END",
-	"AE_CTRL_TRANSFER",
-	"AE_CTRL_BREAK",
-	"AE_CTRL_CONTINUE",
-	"AE_CTRL_SKIP",
-	"AE_CTRL_PARSE_CONTINUE",
-	"AE_CTRL_PARSE_PENDING"
+static const struct acpi_exception_info acpi_gbl_exception_names_ctrl[] = {
+	EXCEP_TXT(NULL, NULL),
+	EXCEP_TXT("AE_CTRL_RETURN_VALUE", "A Method returned a value"),
+	EXCEP_TXT("AE_CTRL_PENDING", "Method is calling another method"),
+	EXCEP_TXT("AE_CTRL_TERMINATE", "Terminate the executing method"),
+	EXCEP_TXT("AE_CTRL_TRUE", "An If or While predicate result"),
+	EXCEP_TXT("AE_CTRL_FALSE", "An If or While predicate result"),
+	EXCEP_TXT("AE_CTRL_DEPTH", "Maximum search depth has been reached"),
+	EXCEP_TXT("AE_CTRL_END", "An If or While predicate is false"),
+	EXCEP_TXT("AE_CTRL_TRANSFER", "Transfer control to called method"),
+	EXCEP_TXT("AE_CTRL_BREAK", "A Break has been executed"),
+	EXCEP_TXT("AE_CTRL_CONTINUE", "A Continue has been executed"),
+	EXCEP_TXT("AE_CTRL_SKIP", "Not currently used"),
+	EXCEP_TXT("AE_CTRL_PARSE_CONTINUE", "Used to skip over bad opcodes"),
+	EXCEP_TXT("AE_CTRL_PARSE_PENDING", "Used to implement AML While loops")
 };
 
 #endif				/* EXCEPTION_TABLE */
diff --git a/include/acpi/acoutput.h b/include/acpi/acoutput.h
index 9885276178e0..4f52ea795c7a 100644
--- a/include/acpi/acoutput.h
+++ b/include/acpi/acoutput.h
@@ -324,9 +324,9 @@
 
 /* Helper macro */
 
-#define ACPI_TRACE_ENTRY(name, function, cast, param) \
+#define ACPI_TRACE_ENTRY(name, function, type, param) \
 	ACPI_FUNCTION_NAME (name) \
-	function (ACPI_DEBUG_PARAMETERS, cast (param))
+	function (ACPI_DEBUG_PARAMETERS, (type) (param))
 
 /* The actual entry trace macros */
 
@@ -335,13 +335,13 @@
 	acpi_ut_trace (ACPI_DEBUG_PARAMETERS)
 
 #define ACPI_FUNCTION_TRACE_PTR(name, pointer) \
-	ACPI_TRACE_ENTRY (name, acpi_ut_trace_ptr, (void *), pointer)
+	ACPI_TRACE_ENTRY (name, acpi_ut_trace_ptr, void *, pointer)
 
 #define ACPI_FUNCTION_TRACE_U32(name, value) \
-	ACPI_TRACE_ENTRY (name, acpi_ut_trace_u32, (u32), value)
+	ACPI_TRACE_ENTRY (name, acpi_ut_trace_u32, u32, value)
 
 #define ACPI_FUNCTION_TRACE_STR(name, string) \
-	ACPI_TRACE_ENTRY (name, acpi_ut_trace_str, (char *), string)
+	ACPI_TRACE_ENTRY (name, acpi_ut_trace_str, char *, string)
 
 #define ACPI_FUNCTION_ENTRY() \
 	acpi_ut_track_stack_ptr()
@@ -355,16 +355,37 @@
  *
  * One of the FUNCTION_TRACE macros above must be used in conjunction
  * with these macros so that "_AcpiFunctionName" is defined.
+ *
+ * There are two versions of most of the return macros. The default version is
+ * safer, since it avoids side-effects by guaranteeing that the argument will
+ * not be evaluated twice.
+ *
+ * A less-safe version of the macros is provided for optional use if the
+ * compiler uses excessive CPU stack (for example, this may happen in the
+ * debug case if code optimzation is disabled.)
  */
 
 /* Exit trace helper macro */
 
-#define ACPI_TRACE_EXIT(function, cast, param) \
+#ifndef ACPI_SIMPLE_RETURN_MACROS
+
+#define ACPI_TRACE_EXIT(function, type, param) \
+	ACPI_DO_WHILE0 ({ \
+		register type _param = (type) (param); \
+		function (ACPI_DEBUG_PARAMETERS, _param); \
+		return (_param); \
+	})
+
+#else				/* Use original less-safe macros */
+
+#define ACPI_TRACE_EXIT(function, type, param) \
 	ACPI_DO_WHILE0 ({ \
-		function (ACPI_DEBUG_PARAMETERS, cast (param)); \
-		return ((param)); \
+		function (ACPI_DEBUG_PARAMETERS, (type) (param)); \
+		return (param); \
 	})
 
+#endif				/* ACPI_SIMPLE_RETURN_MACROS */
+
 /* The actual exit macros */
 
 #define return_VOID \
@@ -374,13 +395,19 @@
 	})
 
 #define return_ACPI_STATUS(status) \
-	ACPI_TRACE_EXIT (acpi_ut_status_exit, (acpi_status), status)
+	ACPI_TRACE_EXIT (acpi_ut_status_exit, acpi_status, status)
 
 #define return_PTR(pointer) \
-	ACPI_TRACE_EXIT (acpi_ut_ptr_exit, (u8 *), pointer)
+	ACPI_TRACE_EXIT (acpi_ut_ptr_exit, void *, pointer)
 
 #define return_VALUE(value) \
-	ACPI_TRACE_EXIT (acpi_ut_value_exit, (u64), value)
+	ACPI_TRACE_EXIT (acpi_ut_value_exit, u64, value)
+
+#define return_UINT32(value) \
+	ACPI_TRACE_EXIT (acpi_ut_value_exit, u32, value)
+
+#define return_UINT8(value) \
+	ACPI_TRACE_EXIT (acpi_ut_value_exit, u8, value)
 
 /* Conditional execution */
 
@@ -428,8 +455,10 @@
 
 #define return_VOID                     return
 #define return_ACPI_STATUS(s)           return(s)
-#define return_VALUE(s)                 return(s)
 #define return_PTR(s)                   return(s)
+#define return_VALUE(s)                 return(s)
+#define return_UINT8(s)                 return(s)
+#define return_UINT32(s)                return(s)
 
 #endif				/* ACPI_DEBUG_OUTPUT */
 
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 03322dddd88e..7aa231bc1fc4 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -46,7 +46,7 @@
 
 /* Current ACPICA subsystem version in YYYYMMDD format */
 
-#define ACPI_CA_VERSION                 0x20130117
+#define ACPI_CA_VERSION                 0x20130214
 
 #include <acpi/acconfig.h>
 #include <acpi/actypes.h>
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index 77dc7a4099a3..ffaac0e7e0c6 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -72,11 +72,13 @@
 #define ACPI_SIG_IVRS           "IVRS"	/* I/O Virtualization Reporting Structure */
 #define ACPI_SIG_MCFG           "MCFG"	/* PCI Memory Mapped Configuration table */
 #define ACPI_SIG_MCHI           "MCHI"	/* Management Controller Host Interface table */
+#define ACPI_SIG_MTMR           "MTMR"	/* MID Timer table */
 #define ACPI_SIG_SLIC           "SLIC"	/* Software Licensing Description Table */
 #define ACPI_SIG_SPCR           "SPCR"	/* Serial Port Console Redirection table */
 #define ACPI_SIG_SPMI           "SPMI"	/* Server Platform Management Interface table */
 #define ACPI_SIG_TCPA           "TCPA"	/* Trusted Computing Platform Alliance table */
 #define ACPI_SIG_UEFI           "UEFI"	/* Uefi Boot Optimization Table */
+#define ACPI_SIG_VRTC           "VRTC"	/* Virtual Real Time Clock Table */
 #define ACPI_SIG_WAET           "WAET"	/* Windows ACPI Emulated devices Table */
 #define ACPI_SIG_WDAT           "WDAT"	/* Watchdog Action Table */
 #define ACPI_SIG_WDDT           "WDDT"	/* Watchdog Timer Description Table */
@@ -852,6 +854,29 @@ struct acpi_table_mchi {
 
 /*******************************************************************************
  *
+ * MTMR - MID Timer Table
+ *        Version 1
+ *
+ * Conforms to "Simple Firmware Interface Specification",
+ * Draft 0.8.2, Oct 19, 2010
+ * NOTE: The ACPI MTMR is equivalent to the SFI MTMR table.
+ *
+ ******************************************************************************/
+
+struct acpi_table_mtmr {
+	struct acpi_table_header header;	/* Common ACPI table header */
+};
+
+/* MTMR entry */
+
+struct acpi_mtmr_entry {
+	struct acpi_generic_address physical_address;
+	u32 frequency;
+	u32 irq;
+};
+
+/*******************************************************************************
+ *
  * SLIC - Software Licensing Description Table
  *        Version 1
  *
@@ -1025,6 +1050,28 @@ struct acpi_table_uefi {
 
 /*******************************************************************************
  *
+ * VRTC - Virtual Real Time Clock Table
+ *        Version 1
+ *
+ * Conforms to "Simple Firmware Interface Specification",
+ * Draft 0.8.2, Oct 19, 2010
+ * NOTE: The ACPI VRTC is equivalent to The SFI MRTC table.
+ *
+ ******************************************************************************/
+
+struct acpi_table_vrtc {
+	struct acpi_table_header header;	/* Common ACPI table header */
+};
+
+/* VRTC entry */
+
+struct acpi_vrtc_entry {
+	struct acpi_generic_address physical_address;
+	u32 irq;
+};
+
+/*******************************************************************************
+ *
  * WAET - Windows ACPI Emulated devices Table
  *        Version 1
  *
diff --git a/include/acpi/actbl3.h b/include/acpi/actbl3.h
index 332b17e3bec8..e2c0931a3d67 100644
--- a/include/acpi/actbl3.h
+++ b/include/acpi/actbl3.h
@@ -174,7 +174,7 @@ struct acpi_fpdt_header {
 
 enum acpi_fpdt_type {
 	ACPI_FPDT_TYPE_BOOT = 0,
-	ACPI_FPDT_TYPE_S3PERF = 1,
+	ACPI_FPDT_TYPE_S3PERF = 1
 };
 
 /*
@@ -223,7 +223,7 @@ struct acpi_s3pt_header {
 
 enum acpi_s3pt_type {
 	ACPI_S3PT_TYPE_RESUME = 0,
-	ACPI_S3PT_TYPE_SUSPEND = 1,
+	ACPI_S3PT_TYPE_SUSPEND = 1
 };
 
 struct acpi_s3pt_resume {
@@ -505,26 +505,59 @@ struct acpi_rasf_shared_memory {
 	u32 signature;
 	u16 command;
 	u16 status;
-	u64 requested_address;
-	u64 requested_length;
-	u64 actual_address;
-	u64 actual_length;
+	u16 version;
+	u8 capabilities[16];
+	u8 set_capabilities[16];
+	u16 num_parameter_blocks;
+	u32 set_capabilities_status;
+};
+
+/* RASF Parameter Block Structure Header */
+
+struct acpi_rasf_parameter_block {
+	u16 type;
+	u16 version;
+	u16 length;
+};
+
+/* RASF Parameter Block Structure for PATROL_SCRUB */
+
+struct acpi_rasf_patrol_scrub_parameter {
+	struct acpi_rasf_parameter_block header;
+	u16 patrol_scrub_command;
+	u64 requested_address_range[2];
+	u64 actual_address_range[2];
 	u16 flags;
-	u8 speed;
+	u8 requested_speed;
 };
 
 /* Masks for Flags and Speed fields above */
 
 #define ACPI_RASF_SCRUBBER_RUNNING      1
 #define ACPI_RASF_SPEED                 (7<<1)
+#define ACPI_RASF_SPEED_SLOW            (0<<1)
+#define ACPI_RASF_SPEED_MEDIUM          (4<<1)
+#define ACPI_RASF_SPEED_FAST            (7<<1)
 
 /* Channel Commands */
 
 enum acpi_rasf_commands {
-	ACPI_RASF_GET_RAS_CAPABILITIES = 1,
-	ACPI_RASF_GET_PATROL_PARAMETERS = 2,
-	ACPI_RASF_START_PATROL_SCRUBBER = 3,
-	ACPI_RASF_STOP_PATROL_SCRUBBER = 4
+	ACPI_RASF_EXECUTE_RASF_COMMAND = 1
+};
+
+/* Platform RAS Capabilities */
+
+enum acpi_rasf_capabiliities {
+	ACPI_HW_PATROL_SCRUB_SUPPORTED = 0,
+	ACPI_SW_PATROL_SCRUB_EXPOSED = 1
+};
+
+/* Patrol Scrub Commands */
+
+enum acpi_rasf_patrol_scrub_commands {
+	ACPI_RASF_GET_PATROL_PARAMETERS = 1,
+	ACPI_RASF_START_PATROL_SCRUBBER = 2,
+	ACPI_RASF_STOP_PATROL_SCRUBBER = 3
 };
 
 /* Channel Command flags */
diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
index 845e75f1ffd8..3fac1be2d8b4 100644
--- a/include/acpi/actypes.h
+++ b/include/acpi/actypes.h
@@ -1128,7 +1128,6 @@ struct acpi_memory_list {
 	u16 object_size;
 	u16 max_depth;
 	u16 current_depth;
-	u16 link_offset;
 
 #ifdef ACPI_DBG_TRACK_ALLOCATIONS