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-rw-r--r--include/acpi/acobject.h21
1 files changed, 17 insertions, 4 deletions
diff --git a/include/acpi/acobject.h b/include/acpi/acobject.h
index 8fdee31119f..5206d61d74a 100644
--- a/include/acpi/acobject.h
+++ b/include/acpi/acobject.h
@@ -6,7 +6,7 @@
*****************************************************************************/
/*
- * Copyright (C) 2000 - 2006, R. Byron Moore
+ * Copyright (C) 2000 - 2007, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -52,7 +52,15 @@
* to the interpreter, and to keep track of the various handlers such as
* address space handlers and notify handlers. The object is a constant
* size in order to allow it to be cached and reused.
+ *
+ * Note: The object is optimized to be aligned and will not work if it is
+ * byte-packed.
*/
+#if ACPI_MACHINE_WIDTH == 64
+#pragma pack(8)
+#else
+#pragma pack(4)
+#endif
/*******************************************************************************
*
@@ -101,7 +109,8 @@ struct acpi_object_common {
ACPI_OBJECT_COMMON_HEADER};
struct acpi_object_integer {
- ACPI_OBJECT_COMMON_HEADER acpi_integer value;
+ ACPI_OBJECT_COMMON_HEADER u8 fill[3]; /* Prevent warning on some compilers */
+ acpi_integer value;
};
/*
@@ -146,7 +155,7 @@ struct acpi_object_event {
struct acpi_object_mutex {
ACPI_OBJECT_COMMON_HEADER u8 sync_level; /* 0-15, specified in Mutex() call */
u16 acquisition_depth; /* Allow multiple Acquires, same thread */
- struct acpi_thread_state *owner_thread; /* Current owner of the mutex */
+ acpi_thread_id owner_thread_id; /* Current owner of the mutex */
acpi_mutex os_mutex; /* Actual OS synchronization object */
union acpi_operand_object *prev; /* Link for list of acquired mutexes */
union acpi_operand_object *next; /* Link for list of acquired mutexes */
@@ -203,7 +212,9 @@ struct acpi_object_power_resource {
};
struct acpi_object_processor {
- ACPI_OBJECT_COMMON_HEADER u8 proc_id;
+ ACPI_OBJECT_COMMON_HEADER
+ /* The next two fields take advantage of the 3-byte space before NOTIFY_INFO */
+ u8 proc_id;
u8 length;
ACPI_COMMON_NOTIFY_INFO acpi_io_address address;
};
@@ -406,4 +417,6 @@ union acpi_descriptor {
union acpi_parse_object op;
};
+#pragma pack()
+
#endif /* _ACOBJECT_H */