Linux kernel documentation tree maintained by Jonathan Corbet http://mirrors.hust.edu.cn/git/lwn.git/atom?h=v2.6.22.18 2007-05-30T04:26:11+00:00 2007-05-30T04:26:11+00:00 Len Brown len.brown@intel.com 2007-05-30T04:26:11+00:00 urn:sha1:dd272b5716a54afa33a69f2241284d8ec60b7892 Add __init to: acpi_initialize_subsystem() (and un-export it) acpi_os_initialize() Add __initdata to: acpi_osl_dmi_table[] Signed-off-by: Len Brown <len.brown@intel.com> 2007-05-29T22:43:33+00:00 Len Brown len.brown@intel.com 2007-05-29T22:43:33+00:00 urn:sha1:ae00d812436dc968f4a5dea7757b6a94910b6dc4 The boot option "acpi_osi=" has always disabled Linux _OSI support, thus disabling all OS Interface strings which are advertised by Linux to the BIOS. Now... acpi_osi="string" adds the interface string, and acpi_osi="!string" invalidates the pre-defined interface string eg. acpi_osi="!Windows 2006" would disable Linux's claim of Vista compatibility. Signed-off-by: Len Brown <len.brown@intel.com> 2007-05-10T03:34:35+00:00 Len Brown len.brown@intel.com 2007-05-10T03:34:35+00:00 urn:sha1:fd3509436fde38d4c854bf5a6b83d2c779904f8e Signed-off-by: Len Brown <len.brown@intel.com> 2007-02-16T03:19:17+00:00 Len Brown len.brown@intel.com 2007-02-16T03:11:48+00:00 urn:sha1:fc955f670c0a66aca965605dae797e747b2bef7d ...which are now unused Signed-off-by: Len Brown <len.brown@intel.com> 2007-02-03T02:14:31+00:00 Bob Moore robert.moore@intel.com 2007-02-02T16:48:24+00:00 urn:sha1:6c9deb7201d96733dcd1b4cc44e99232308db359 Added 2007 copyright to all module headers and signons. This affects virtually every file in the ACPICA core subsystem, iASL compiler, and the utilities. Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com> 2007-02-03T02:14:21+00:00 Bob Moore robert.moore@intel.com 2007-02-02T16:48:18+00:00 urn:sha1:f3d2e7865c816258c699ff965768e46b50d536d3 The Table Manager component has been completely redesigned and reimplemented. The new design is much simpler, and reduces the overall code and data size of the kernel-resident ACPICA by approximately 5%. Also, it is now possible to obtain the ACPI tables very early during kernel initialization, even before dynamic memory management is initialized. Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com> Signed-off-by: Len Brown <len.brown@intel.com> 2006-06-30T07:19:10+00:00 Len Brown len.brown@intel.com 2006-06-30T07:19:10+00:00 urn:sha1:02438d8771ae6a4b215938959827692026380bf9 Signed-off-by: Len Brown <len.brown@intel.com> 2006-06-28T07:11:38+00:00 Bob Moore robert.moore@intel.com 2006-06-23T21:04:00+00:00 urn:sha1:967440e3be1af06ad4dc7bb18d2e3c16130fe067 Implemented a new acpi_spinlock type for the OSL lock interfaces. This allows the type to be customized to the host OS for improved efficiency (since a spinlock is usually a very small object.) Implemented support for "ignored" bits in the ACPI registers. According to the ACPI specification, these bits should be preserved when writing the registers via a read/modify/write cycle. There are 3 bits preserved in this manner: PM1_CONTROL[0] (SCI_EN), PM1_CONTROL[9], and PM1_STATUS[11]. http://bugzilla.kernel.org/show_bug.cgi?id=3691 Implemented the initial deployment of new OSL mutex interfaces. Since some host operating systems have separate mutex and semaphore objects, this feature was requested. The base code now uses mutexes (and the new mutex interfaces) wherever a binary semaphore was used previously. However, for the current release, the mutex interfaces are defined as macros to map them to the existing semaphore interfaces. Fixed several problems with the support for the control method SyncLevel parameter. The SyncLevel now works according to the ACPI specification and in concert with the Mutex SyncLevel parameter, since the current SyncLevel is a property of the executing thread. Mutual exclusion for control methods is now implemented with a mutex instead of a semaphore. Fixed three instances of the use of the C shift operator in the bitfield support code (exfldio.c) to avoid the use of a shift value larger than the target data width. The behavior of C compilers is undefined in this case and can cause unpredictable results, and therefore the case must be detected and avoided. (Fiodor Suietov) Added an info message whenever an SSDT or OEM table is loaded dynamically via the Load() or LoadTable() ASL operators. This should improve debugging capability since it will show exactly what tables have been loaded (beyond the tables present in the RSDT/XSDT.) Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com> 2006-06-14T06:44:35+00:00 Bob Moore robert.moore@intel.com 2006-05-26T20:36:00+00:00 urn:sha1:4119532c95547821dbe72d6916dfa1b2148475b3 Restructured, flattened, and simplified the internal interfaces for namespace object evaluation - resulting in smaller code, less CPU stack use, and fewer interfaces. (With assistance from Mikhail Kouzmich) Fixed a problem with the CopyObject operator where the first parameter was not typed correctly for the parser, interpreter, compiler, and disassembler. Caused various errors and unexpected behavior. Fixed a problem where a ShiftLeft or ShiftRight of more than 64 bits produced incorrect results with some C compilers. Since the behavior of C compilers when the shift value is larger than the datatype width is apparently not well defined, the interpreter now detects this condition and simply returns zero as expected in all such cases. (BZ 395) Fixed problem reports (Valery Podrezov) integrated: - Update String-to-Integer conversion to match ACPI 3.0A spec http://bugzilla.kernel.org/show_bug.cgi?id=5329 Allow interpreter to handle nested method declarations http://bugzilla.kernel.org/show_bug.cgi?id=5361 Fixed problem reports (Fiodor Suietov) integrated: - acpi_terminate() doesn't free debug memory allocation list objects (BZ 355) - After Core Subsystem shutdown, acpi_subsystem_status() returns AE_OK (BZ 356) - acpi_os_unmap_memory() for RSDP can be invoked inconsistently (BZ 357) - Resource Manager should return AE_TYPE for non-device objects (BZ 358) - Incomplete cleanup branch in AcpiNsEvaluateRelative (BZ 359) - Use acpi_os_free() instead of ACPI_FREE in acpi_rs_set_srs_method_data (BZ 360) - Incomplete cleanup branch in acpi_ps_parse_aml (BZ 361) - Incomplete cleanup branch in acpi_ds_delete_walk_state (BZ 362) - acpi_get_table_header returns AE_NO_ACPI_TABLES until DSDT is loaded (BZ 365) - Status of the Global Initialization Handler call not used (BZ 366) - Incorrect object parameter to Global Initialization Handler (BZ 367) Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com> 2006-06-14T06:34:48+00:00 Bob Moore robert.moore@intel.com 2006-05-12T21:12:00+00:00 urn:sha1:958dd242b691f64ab4632b4903dbb1e16fee8269 Replaced the acpi_os_queue_for_execution() with a new interface named acpi_os_execute(). The major difference is that the new interface does not have a Priority parameter, this appeared to be useless and has been replaced by a Type parameter. The Type tells the OS what type of execution is being requested, such as global lock handler, notify handler, GPE handler, etc. This allows the host to queue and execute the request as appropriate for the request type, possibly using different work queues and different priorities for the various request types. This enables fixes for multithreading deadlock problems such as http://bugzilla.kernel.org/show_bug.cgi?id=5534 (Alexey Starikovskiy and Bob Moore) Fixed a possible memory leak associated with the support for the so-called "implicit return" ACPI extension. Reported by FreeBSD (Fiodor Suietov) http://bugzilla.kernel.org/show_bug.cgi?id=6514 Fixed a problem with the Load() operator where a table load from an operation region could overwrite an internal table buffer by up to 7 bytes and cause alignment faults on IPF systems. (With assistance from Luming Yu) Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>