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Merge branch 'acpica' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6

Browse source 
* 'acpica' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
  ACPICA: Update version to 20110112
  ACPICA: Update all ACPICA copyrights and signons to 2011
  ACPICA: Fix issues/fault with automatic "serialized" method support
  ACPICA: Debugger: Lock namespace for duration of a namespace dump
  ACPICA: Fix namespace race condition
  ACPICA: Fix memory leak in acpi_ev_asynch_execute_gpe_method().
This commit is contained in:
Linus Torvalds 2011-01-20 16:28:34 -08:00
parent 28e58ee8ce 8d5f0a6473
commit e589501cb9
155 changed files with 267 additions and 220 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/acpi/acpica/accommon.h
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/acconfig.h
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/acdebug.h
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/acdispat.h
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/acevents.h
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/acglobal.h
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/achware.h
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/acinterp.h
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/aclocal.h
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/acmacros.h
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/acnamesp.h
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

16
drivers/acpi/acpica/acobject.h
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -97,8 +97,6 @@
#define AOPOBJ_OBJECT_INITIALIZED 0x08 /* Region is initialized, _REG was run */
#define AOPOBJ_SETUP_COMPLETE 0x10 /* Region setup is complete */
#define AOPOBJ_INVALID 0x20 /* Host OS won't allow a Region address */
#define AOPOBJ_MODULE_LEVEL 0x40 /* Method is actually module-level code */
#define AOPOBJ_MODIFIED_NAMESPACE 0x80 /* Method modified the namespace */
/******************************************************************************
*
@ -175,7 +173,7 @@ struct acpi_object_region {
};
struct acpi_object_method {
ACPI_OBJECT_COMMON_HEADER u8 method_flags;
ACPI_OBJECT_COMMON_HEADER u8 info_flags;
u8 param_count;
u8 sync_level;
union acpi_operand_object *mutex;
@ -183,13 +181,21 @@ struct acpi_object_method {
union {
ACPI_INTERNAL_METHOD implementation;
union acpi_operand_object *handler;
} extra;
} dispatch;
u32 aml_length;
u8 thread_count;
acpi_owner_id owner_id;
};
/* Flags for info_flags field above */
#define ACPI_METHOD_MODULE_LEVEL 0x01 /* Method is actually module-level code */
#define ACPI_METHOD_INTERNAL_ONLY 0x02 /* Method is implemented internally (_OSI) */
#define ACPI_METHOD_SERIALIZED 0x04 /* Method is serialized */
#define ACPI_METHOD_SERIALIZED_PENDING 0x08 /* Method is to be marked serialized */
#define ACPI_METHOD_MODIFIED_NAMESPACE 0x10 /* Method modified the namespace */
/******************************************************************************
*
* Objects that can be notified. All share a common notify_info area.

2
drivers/acpi/acpica/acopcode.h
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/acparser.h
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/acpredef.h
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/acresrc.h
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/acstruct.h
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/actables.h
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/acutils.h
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

10
drivers/acpi/acpica/amlcode.h
View file

@ -7,7 +7,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -480,16 +480,10 @@ typedef enum {
AML_FIELD_ATTRIB_SMB_BLOCK_CALL = 0x0D
} AML_ACCESS_ATTRIBUTE;
/* Bit fields in method_flags byte */
/* Bit fields in the AML method_flags byte */
#define AML_METHOD_ARG_COUNT 0x07
#define AML_METHOD_SERIALIZED 0x08
#define AML_METHOD_SYNC_LEVEL 0xF0
/* METHOD_FLAGS_ARG_COUNT is not used internally, define additional flags */
#define AML_METHOD_INTERNAL_ONLY 0x01
#define AML_METHOD_RESERVED1 0x02
#define AML_METHOD_RESERVED2 0x04
#endif /* __AMLCODE_H__ */

2
drivers/acpi/acpica/amlresrc.h
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/dsfield.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/dsinit.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

64
drivers/acpi/acpica/dsmethod.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -43,7 +43,6 @@
#include <acpi/acpi.h>
#include "accommon.h"
#include "amlcode.h"
#include "acdispat.h"
#include "acinterp.h"
#include "acnamesp.h"
@ -201,7 +200,7 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
/*
* If this method is serialized, we need to acquire the method mutex.
*/
if (obj_desc->method.method_flags & AML_METHOD_SERIALIZED) {
if (obj_desc->method.info_flags & ACPI_METHOD_SERIALIZED) {
/*
* Create a mutex for the method if it is defined to be Serialized
* and a mutex has not already been created. We defer the mutex creation
@ -413,8 +412,9 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
/* Invoke an internal method if necessary */
if (obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY) {
status = obj_desc->method.extra.implementation(next_walk_state);
if (obj_desc->method.info_flags & ACPI_METHOD_INTERNAL_ONLY) {
status =
obj_desc->method.dispatch.implementation(next_walk_state);
if (status == AE_OK) {
status = AE_CTRL_TERMINATE;
}
@ -579,11 +579,14 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
/*
* Delete any namespace objects created anywhere within the
* namespace by the execution of this method. Unless this method
* is a module-level executable code method, in which case we
* want make the objects permanent.
* namespace by the execution of this method. Unless:
* 1) This method is a module-level executable code method, in which
* case we want make the objects permanent.
* 2) There are other threads executing the method, in which case we
* will wait until the last thread has completed.
*/
if (!(method_desc->method.flags & AOPOBJ_MODULE_LEVEL)) {
if (!(method_desc->method.info_flags & ACPI_METHOD_MODULE_LEVEL)
&& (method_desc->method.thread_count == 1)) {
/* Delete any direct children of (created by) this method */
@ -593,12 +596,17 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
/*
* Delete any objects that were created by this method
* elsewhere in the namespace (if any were created).
* Use of the ACPI_METHOD_MODIFIED_NAMESPACE optimizes the
* deletion such that we don't have to perform an entire
* namespace walk for every control method execution.
*/
if (method_desc->method.
flags & AOPOBJ_MODIFIED_NAMESPACE) {
info_flags & ACPI_METHOD_MODIFIED_NAMESPACE) {
acpi_ns_delete_namespace_by_owner(method_desc->
method.
owner_id);
method_desc->method.info_flags &=
~ACPI_METHOD_MODIFIED_NAMESPACE;
}
}
}
@ -629,19 +637,43 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
* Serialized if it appears that the method is incorrectly written and
* does not support multiple thread execution. The best example of this
* is if such a method creates namespace objects and blocks. A second
* thread will fail with an AE_ALREADY_EXISTS exception
* thread will fail with an AE_ALREADY_EXISTS exception.
*
* This code is here because we must wait until the last thread exits
* before creating the synchronization semaphore.
* before marking the method as serialized.
*/
if ((method_desc->method.method_flags & AML_METHOD_SERIALIZED)
&& (!method_desc->method.mutex)) {
(void)acpi_ds_create_method_mutex(method_desc);
if (method_desc->method.
info_flags & ACPI_METHOD_SERIALIZED_PENDING) {
if (walk_state) {
ACPI_INFO((AE_INFO,
"Marking method %4.4s as Serialized because of AE_ALREADY_EXISTS error",
walk_state->method_node->name.
ascii));
}
/*
* Method tried to create an object twice and was marked as
* "pending serialized". The probable cause is that the method
* cannot handle reentrancy.
*
* The method was created as not_serialized, but it tried to create
* a named object and then blocked, causing the second thread
* entrance to begin and then fail. Workaround this problem by
* marking the method permanently as Serialized when the last
* thread exits here.
*/
method_desc->method.info_flags &=
~ACPI_METHOD_SERIALIZED_PENDING;
method_desc->method.info_flags |=
ACPI_METHOD_SERIALIZED;
method_desc->method.sync_level = 0;
}
/* No more threads, we can free the owner_id */
if (!(method_desc->method.flags & AOPOBJ_MODULE_LEVEL)) {
if (!
(method_desc->method.
info_flags & ACPI_METHOD_MODULE_LEVEL)) {
acpi_ut_release_owner_id(&method_desc->method.owner_id);
}
}

2
drivers/acpi/acpica/dsmthdat.c
View file

@ -5,7 +5,7 @@
******************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/dsobject.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/dsopcode.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/dsutils.c
View file

@ -5,7 +5,7 @@
******************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/dswexec.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/dswload.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/dswscope.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/dswstate.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/evevent.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

4
drivers/acpi/acpica/evgpe.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -471,6 +471,7 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context)
status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS);
if (ACPI_FAILURE(status)) {
ACPI_FREE(local_gpe_event_info);
return_VOID;
}
@ -478,6 +479,7 @@ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context)
if (!acpi_ev_valid_gpe_event(gpe_event_info)) {
status = acpi_ut_release_mutex(ACPI_MTX_EVENTS);
ACPI_FREE(local_gpe_event_info);
return_VOID;
}

2
drivers/acpi/acpica/evgpeblk.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/evgpeinit.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/evgpeutil.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/evmisc.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/evregion.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

6
drivers/acpi/acpica/evrgnini.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -590,9 +590,9 @@ acpi_ev_initialize_region(union acpi_operand_object *region_obj,
* See acpi_ns_exec_module_code
*/
if (obj_desc->method.
flags & AOPOBJ_MODULE_LEVEL) {
info_flags & ACPI_METHOD_MODULE_LEVEL) {
handler_obj =
obj_desc->method.extra.handler;
obj_desc->method.dispatch.handler;
}
break;

2
drivers/acpi/acpica/evsci.c
View file

@ -6,7 +6,7 @@
******************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/evxface.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/evxfevnt.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/evxfgpe.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/evxfregn.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/exconfig.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/exconvrt.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

10
drivers/acpi/acpica/excreate.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -482,13 +482,11 @@ acpi_ex_create_method(u8 * aml_start,
obj_desc->method.aml_length = aml_length;
/*
* Disassemble the method flags. Split off the Arg Count
* for efficiency
* Disassemble the method flags. Split off the arg_count, Serialized
* flag, and sync_level for efficiency.
*/
method_flags = (u8) operand[1]->integer.value;
obj_desc->method.method_flags =
(u8) (method_flags & ~AML_METHOD_ARG_COUNT);
obj_desc->method.param_count =
(u8) (method_flags & AML_METHOD_ARG_COUNT);
@ -497,6 +495,8 @@ acpi_ex_create_method(u8 * aml_start,
* created for this method when it is parsed.
*/
if (method_flags & AML_METHOD_SERIALIZED) {
obj_desc->method.info_flags = ACPI_METHOD_SERIALIZED;
/*
* ACPI 1.0: sync_level = 0
* ACPI 2.0: sync_level = sync_level in method declaration

2
drivers/acpi/acpica/exdebug.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

4
drivers/acpi/acpica/exdump.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -122,7 +122,7 @@ static struct acpi_exdump_info acpi_ex_dump_event[2] = {
static struct acpi_exdump_info acpi_ex_dump_method[9] = {
{ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_method), NULL},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.method_flags), "Method Flags"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.info_flags), "Info Flags"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.param_count),
"Parameter Count"},
{ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.sync_level), "Sync Level"},

2
drivers/acpi/acpica/exfield.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/exfldio.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/exmisc.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/exmutex.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/exnames.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/exoparg1.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/exoparg2.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/exoparg3.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/exoparg6.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/exprep.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/exregion.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/exresnte.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/exresolv.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/exresop.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/exstore.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/exstoren.c
View file

@ -7,7 +7,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/exstorob.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/exsystem.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/exutils.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/hwacpi.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/hwgpe.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/hwpci.c
View file

@ -5,7 +5,7 @@
******************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/hwregs.c
View file

@ -7,7 +7,7 @@
******************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/hwsleep.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/hwtimer.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/hwvalid.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/hwxface.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

8
drivers/acpi/acpica/nsaccess.c
View file

@ -5,7 +5,7 @@
******************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -163,9 +163,9 @@ acpi_status acpi_ns_root_initialize(void)
#else
/* Mark this as a very SPECIAL method */
obj_desc->method.method_flags =
AML_METHOD_INTERNAL_ONLY;
obj_desc->method.extra.implementation =
obj_desc->method.info_flags =
ACPI_METHOD_INTERNAL_ONLY;
obj_desc->method.dispatch.implementation =
acpi_ut_osi_implementation;
#endif
break;

15
drivers/acpi/acpica/nsalloc.c
View file

@ -5,7 +5,7 @@
******************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -234,8 +234,8 @@ void acpi_ns_install_node(struct acpi_walk_state *walk_state, struct acpi_namesp
* modified the namespace. This is used for cleanup when the
* method exits.
*/
walk_state->method_desc->method.flags |=
AOPOBJ_MODIFIED_NAMESPACE;
walk_state->method_desc->method.info_flags |=
ACPI_METHOD_MODIFIED_NAMESPACE;
}
}
@ -341,6 +341,7 @@ void acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_node)
{
struct acpi_namespace_node *child_node = NULL;
u32 level = 1;
acpi_status status;
ACPI_FUNCTION_TRACE(ns_delete_namespace_subtree);
@ -348,6 +349,13 @@ void acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_node)
return_VOID;
}
/* Lock namespace for possible update */
status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) {
return_VOID;
}
/*
* Traverse the tree of objects until we bubble back up
* to where we started.
@ -397,6 +405,7 @@ void acpi_ns_delete_namespace_subtree(struct acpi_namespace_node *parent_node)
}
}
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
return_VOID;
}

17
drivers/acpi/acpica/nsdump.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -624,9 +624,22 @@ acpi_ns_dump_objects(acpi_object_type type,
acpi_owner_id owner_id, acpi_handle start_handle)
{
struct acpi_walk_info info;
acpi_status status;
ACPI_FUNCTION_ENTRY();
/*
* Just lock the entire namespace for the duration of the dump.
* We don't want any changes to the namespace during this time,
* especially the temporary nodes since we are going to display
* them also.
*/
status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE);
if (ACPI_FAILURE(status)) {
acpi_os_printf("Could not acquire namespace mutex\n");
return;
}
info.debug_level = ACPI_LV_TABLES;
info.owner_id = owner_id;
info.display_type = display_type;
@ -636,6 +649,8 @@ acpi_ns_dump_objects(acpi_object_type type,
ACPI_NS_WALK_TEMP_NODES,
acpi_ns_dump_one_object, NULL,
(void *)&info, NULL);
(void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE);
}
#endif /* ACPI_FUTURE_USAGE */

2
drivers/acpi/acpica/nsdumpdv.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

4
drivers/acpi/acpica/nseval.c
View file

@ -5,7 +5,7 @@
******************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -389,7 +389,7 @@ acpi_ns_exec_module_code(union acpi_operand_object *method_obj,
* acpi_gbl_root_node->Object is NULL at PASS1.
*/
if ((type == ACPI_TYPE_DEVICE) && parent_node->object) {
method_obj->method.extra.handler =
method_obj->method.dispatch.handler =
parent_node->object->device.handler;
}

2
drivers/acpi/acpica/nsinit.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/nsload.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/nsnames.c
View file

@ -5,7 +5,7 @@
******************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/nsobject.c
View file

@ -6,7 +6,7 @@
******************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/nsparse.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/nspredef.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/nsrepair.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/nsrepair2.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/nssearch.c
View file

@ -5,7 +5,7 @@
******************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/nsutils.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/nswalk.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/nsxfeval.c
View file

@ -6,7 +6,7 @@
******************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

7
drivers/acpi/acpica/nsxfname.c
View file

@ -6,7 +6,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -603,10 +603,9 @@ acpi_status acpi_install_method(u8 *buffer)
method_obj->method.param_count = (u8)
(method_flags & AML_METHOD_ARG_COUNT);
method_obj->method.method_flags = (u8)
(method_flags & ~AML_METHOD_ARG_COUNT);
if (method_flags & AML_METHOD_SERIALIZED) {
method_obj->method.info_flags = ACPI_METHOD_SERIALIZED;
method_obj->method.sync_level = (u8)
((method_flags & AML_METHOD_SYNC_LEVEL) >> 4);
}

2
drivers/acpi/acpica/nsxfobj.c
View file

@ -6,7 +6,7 @@
******************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

2
drivers/acpi/acpica/psargs.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

4
drivers/acpi/acpica/psloop.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -655,7 +655,7 @@ acpi_ps_link_module_code(union acpi_parse_object *parent_op,
method_obj->method.aml_start = aml_start;
method_obj->method.aml_length = aml_length;
method_obj->method.owner_id = owner_id;
method_obj->method.flags |= AOPOBJ_MODULE_LEVEL;
method_obj->method.info_flags |= ACPI_METHOD_MODULE_LEVEL;
/*
* Save the parent node in next_object. This is cheating, but we

2
drivers/acpi/acpica/psopcode.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without

27
drivers/acpi/acpica/psparse.c
View file

@ -5,7 +5,7 @@
*****************************************************************************/
/*
* Copyright (C) 2000 - 2010, Intel Corp.
* Copyright (C) 2000 - 2011, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -55,7 +55,6 @@
#include "acparser.h"
#include "acdispat.h"
#include "amlcode.h"
#include "acnamesp.h"
#include "acinterp.h"
#define _COMPONENT ACPI_PARSER
@ -539,24 +538,16 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state)
/* Check for possible multi-thread reentrancy problem */
if ((status == AE_ALREADY_EXISTS) &&
(!walk_state->method_desc->method.mutex)) {
ACPI_INFO((AE_INFO,
"Marking method %4.4s as Serialized because of AE_ALREADY_EXISTS error",
walk_state->method_node->name.
ascii));
(!(walk_state->method_desc->method.
info_flags & ACPI_METHOD_SERIALIZED))) {
/*
* Method tried to create an object twice. The probable cause is
* that the method cannot handle reentrancy.
*
* The method is marked not_serialized, but it tried to create
* a named object, causing the second thread entrance to fail.
* Workaround this problem by marking the method permanently
* as Serialized.
* Method is not serialized and tried to create an object
* twice. The probable cause is that the method cannot
* handle reentrancy. Mark as "pending serialized" now, and
* then mark "serialized" when the last thread exits.
*/
walk_state->method_desc->method.method_flags |=
AML_METHOD_SERIALIZED;
walk_state->method_desc->method.sync_level = 0;
walk_state->method_desc->method.info_flags |=
ACPI_METHOD_SERIALIZED_PENDING;
}
}

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