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-rw-r--r--drivers/acpi/acpica/acdispat.h13
-rw-r--r--drivers/acpi/acpica/acglobal.h11
-rw-r--r--drivers/acpi/acpica/acinterp.h4
-rw-r--r--drivers/acpi/acpica/acobject.h3
-rw-r--r--drivers/acpi/acpica/acstruct.h3
-rw-r--r--drivers/acpi/acpica/dsinit.c59
-rw-r--r--drivers/acpi/acpica/dsmethod.c156
-rw-r--r--drivers/acpi/acpica/dswload.c16
-rw-r--r--drivers/acpi/acpica/exsystem.c12
-rw-r--r--drivers/acpi/acpica/exutils.c80
-rw-r--r--drivers/acpi/acpica/nsinit.c5
-rw-r--r--drivers/acpi/acpica/nsload.c4
-rw-r--r--drivers/acpi/acpica/psloop.c4
-rw-r--r--drivers/acpi/acpica/psobject.c7
-rw-r--r--drivers/acpi/osl.c16
-rw-r--r--drivers/acpi/processor_core.c27
16 files changed, 272 insertions, 148 deletions
diff --git a/drivers/acpi/acpica/acdispat.h b/drivers/acpi/acpica/acdispat.h
index 5b472c43c31d..d3e2cc395d7f 100644
--- a/drivers/acpi/acpica/acdispat.h
+++ b/drivers/acpi/acpica/acdispat.h
@@ -139,20 +139,21 @@ acpi_ds_init_field_objects(union acpi_parse_object *op,
struct acpi_walk_state *walk_state);
/*
- * dsload - Parser/Interpreter interface, pass 1 namespace load callbacks
+ * dsload - Parser/Interpreter interface
*/
acpi_status
acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number);
+/* dsload - pass 1 namespace load callbacks */
+
acpi_status
acpi_ds_load1_begin_op(struct acpi_walk_state *walk_state,
union acpi_parse_object **out_op);
acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state);
-/*
- * dsload - Parser/Interpreter interface, pass 2 namespace load callbacks
- */
+/* dsload - pass 2 namespace load callbacks */
+
acpi_status
acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state,
union acpi_parse_object **out_op);
@@ -200,7 +201,9 @@ void acpi_ds_method_data_init(struct acpi_walk_state *walk_state);
/*
* dsmethod - Parser/Interpreter interface - control method parsing
*/
-acpi_status acpi_ds_parse_method(struct acpi_namespace_node *node);
+acpi_status
+acpi_ds_auto_serialize_method(struct acpi_namespace_node *node,
+ union acpi_operand_object *obj_desc);
acpi_status
acpi_ds_call_control_method(struct acpi_thread_state *thread,
diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h
index 8f40bb972ae3..49bbc71fad54 100644
--- a/drivers/acpi/acpica/acglobal.h
+++ b/drivers/acpi/acpica/acglobal.h
@@ -93,12 +93,13 @@
ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_interpreter_slack, FALSE);
/*
- * Automatically serialize ALL control methods? Default is FALSE, meaning
- * to use the Serialized/not_serialized method flags on a per method basis.
- * Only change this if the ASL code is poorly written and cannot handle
- * reentrancy even though methods are marked "NotSerialized".
+ * Automatically serialize all methods that create named objects? Default
+ * is TRUE, meaning that all non_serialized methods are scanned once at
+ * table load time to determine those that create named objects. Methods
+ * that create named objects are marked Serialized in order to prevent
+ * possible run-time problems if they are entered by more than one thread.
*/
-ACPI_INIT_GLOBAL(u8, acpi_gbl_all_methods_serialized, FALSE);
+ACPI_INIT_GLOBAL(u8, acpi_gbl_auto_serialize_methods, TRUE);
/*
* Create the predefined _OSI method in the namespace? Default is TRUE
diff --git a/drivers/acpi/acpica/acinterp.h b/drivers/acpi/acpica/acinterp.h
index c54267748be5..b01f71ce0523 100644
--- a/drivers/acpi/acpica/acinterp.h
+++ b/drivers/acpi/acpica/acinterp.h
@@ -458,10 +458,6 @@ void acpi_ex_enter_interpreter(void);
void acpi_ex_exit_interpreter(void);
-void acpi_ex_reacquire_interpreter(void);
-
-void acpi_ex_relinquish_interpreter(void);
-
u8 acpi_ex_truncate_for32bit_table(union acpi_operand_object *obj_desc);
void acpi_ex_acquire_global_lock(u32 rule);
diff --git a/drivers/acpi/acpica/acobject.h b/drivers/acpi/acpica/acobject.h
index 1a4d61805ebc..22fb6449d3d6 100644
--- a/drivers/acpi/acpica/acobject.h
+++ b/drivers/acpi/acpica/acobject.h
@@ -193,7 +193,8 @@ struct acpi_object_method {
#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 */
+#define ACPI_METHOD_IGNORE_SYNC_LEVEL 0x10 /* Method was auto-serialized at table load time */
+#define ACPI_METHOD_MODIFIED_NAMESPACE 0x20 /* Method modified the namespace */
/******************************************************************************
*
diff --git a/drivers/acpi/acpica/acstruct.h b/drivers/acpi/acpica/acstruct.h
index 5d2989a1b68c..cf7346110bd8 100644
--- a/drivers/acpi/acpica/acstruct.h
+++ b/drivers/acpi/acpica/acstruct.h
@@ -133,6 +133,9 @@ struct acpi_init_walk_info {
u32 table_index;
u32 object_count;
u32 method_count;
+ u32 serial_method_count;
+ u32 non_serial_method_count;
+ u32 serialized_method_count;
u32 device_count;
u32 op_region_count;
u32 field_count;
diff --git a/drivers/acpi/acpica/dsinit.c b/drivers/acpi/acpica/dsinit.c
index 96644d5ac0e1..aee5e45f6d35 100644
--- a/drivers/acpi/acpica/dsinit.c
+++ b/drivers/acpi/acpica/dsinit.c
@@ -83,8 +83,8 @@ acpi_ds_init_one_object(acpi_handle obj_handle,
(struct acpi_init_walk_info *)context;
struct acpi_namespace_node *node =
(struct acpi_namespace_node *)obj_handle;
- acpi_object_type type;
acpi_status status;
+ union acpi_operand_object *obj_desc;
ACPI_FUNCTION_ENTRY();
@@ -100,9 +100,7 @@ acpi_ds_init_one_object(acpi_handle obj_handle,
/* And even then, we are only interested in a few object types */
- type = acpi_ns_get_type(obj_handle);
-
- switch (type) {
+ switch (acpi_ns_get_type(obj_handle)) {
case ACPI_TYPE_REGION:
status = acpi_ds_initialize_region(obj_handle);
@@ -117,8 +115,44 @@ acpi_ds_init_one_object(acpi_handle obj_handle,
break;
case ACPI_TYPE_METHOD:
-
+ /*
+ * Auto-serialization support. We will examine each method that is
+ * not_serialized to determine if it creates any Named objects. If
+ * it does, it will be marked serialized to prevent problems if
+ * the method is entered by two or more threads and an attempt is
+ * made to create the same named object twice -- which results in
+ * an AE_ALREADY_EXISTS exception and method abort.
+ */
info->method_count++;
+ obj_desc = acpi_ns_get_attached_object(node);
+ if (!obj_desc) {
+ break;
+ }
+
+ /* Ignore if already serialized */
+
+ if (obj_desc->method.info_flags & ACPI_METHOD_SERIALIZED) {
+ info->serial_method_count++;
+ break;
+ }
+
+ if (acpi_gbl_auto_serialize_methods) {
+
+ /* Parse/scan method and serialize it if necessary */
+
+ acpi_ds_auto_serialize_method(node, obj_desc);
+ if (obj_desc->method.
+ info_flags & ACPI_METHOD_SERIALIZED) {
+
+ /* Method was just converted to Serialized */
+
+ info->serial_method_count++;
+ info->serialized_method_count++;
+ break;
+ }
+ }
+
+ info->non_serial_method_count++;
break;
case ACPI_TYPE_DEVICE:
@@ -170,7 +204,6 @@ acpi_ds_initialize_objects(u32 table_index,
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
"**** Starting initialization of namespace objects ****\n"));
- ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, "Parsing all Control Methods:"));
/* Set all init info to zero */
@@ -205,14 +238,16 @@ acpi_ds_initialize_objects(u32 table_index,
}
ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT,
- "\nTable [%4.4s](id %4.4X) - %u Objects with %u Devices %u Methods %u Regions\n",
+ "Table [%4.4s] (id %4.4X) - %4u Objects with %3u Devices, "
+ "%3u Regions, %3u Methods (%u/%u/%u Serial/Non/Cvt)\n",
table->signature, owner_id, info.object_count,
- info.device_count, info.method_count,
- info.op_region_count));
+ info.device_count, info.op_region_count,
+ info.method_count, info.serial_method_count,
+ info.non_serial_method_count,
+ info.serialized_method_count));
- ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
- "%u Methods, %u Regions\n", info.method_count,
- info.op_region_count));
+ ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "%u Methods, %u Regions\n",
+ info.method_count, info.op_region_count));
return_ACPI_STATUS(AE_OK);
}
diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c
index 2c6d42c2bc01..3c7f7378b94d 100644
--- a/drivers/acpi/acpica/dsmethod.c
+++ b/drivers/acpi/acpica/dsmethod.c
@@ -49,16 +49,155 @@
#ifdef ACPI_DISASSEMBLER
#include "acdisasm.h"
#endif
+#include "acparser.h"
+#include "amlcode.h"
#define _COMPONENT ACPI_DISPATCHER
ACPI_MODULE_NAME("dsmethod")
/* Local prototypes */
static acpi_status
+acpi_ds_detect_named_opcodes(struct acpi_walk_state *walk_state,
+ union acpi_parse_object **out_op);
+
+static acpi_status
acpi_ds_create_method_mutex(union acpi_operand_object *method_desc);
/*******************************************************************************
*
+ * FUNCTION: acpi_ds_auto_serialize_method
+ *
+ * PARAMETERS: node - Namespace Node of the method
+ * obj_desc - Method object attached to node
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Parse a control method AML to scan for control methods that
+ * need serialization due to the creation of named objects.
+ *
+ * NOTE: It is a bit of overkill to mark all such methods serialized, since
+ * there is only a problem if the method actually blocks during execution.
+ * A blocking operation is, for example, a Sleep() operation, or any access
+ * to an operation region. However, it is probably not possible to easily
+ * detect whether a method will block or not, so we simply mark all suspicious
+ * methods as serialized.
+ *
+ * NOTE2: This code is essentially a generic routine for parsing a single
+ * control method.
+ *
+ ******************************************************************************/
+
+acpi_status
+acpi_ds_auto_serialize_method(struct acpi_namespace_node *node,
+ union acpi_operand_object *obj_desc)
+{
+ acpi_status status;
+ union acpi_parse_object *op = NULL;
+ struct acpi_walk_state *walk_state;
+
+ ACPI_FUNCTION_TRACE_PTR(ds_auto_serialize_method, node);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_PARSE,
+ "Method auto-serialization parse [%4.4s] %p\n",
+ acpi_ut_get_node_name(node), node));
+
+ /* Create/Init a root op for the method parse tree */
+
+ op = acpi_ps_alloc_op(AML_METHOD_OP);
+ if (!op) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ acpi_ps_set_name(op, node->name.integer);
+ op->common.node = node;
+
+ /* Create and initialize a new walk state */
+
+ walk_state =
+ acpi_ds_create_walk_state(node->owner_id, NULL, NULL, NULL);
+ if (!walk_state) {
+ return_ACPI_STATUS(AE_NO_MEMORY);
+ }
+
+ status =
+ acpi_ds_init_aml_walk(walk_state, op, node,
+ obj_desc->method.aml_start,
+ obj_desc->method.aml_length, NULL, 0);
+ if (ACPI_FAILURE(status)) {
+ acpi_ds_delete_walk_state(walk_state);
+ return_ACPI_STATUS(status);
+ }
+
+ walk_state->descending_callback = acpi_ds_detect_named_opcodes;
+
+ /* Parse the method, scan for creation of named objects */
+
+ status = acpi_ps_parse_aml(walk_state);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
+ }
+
+ acpi_ps_delete_parse_tree(op);
+ return_ACPI_STATUS(status);
+}
+
+/*******************************************************************************
+ *
+ * FUNCTION: acpi_ds_detect_named_opcodes
+ *
+ * PARAMETERS: walk_state - Current state of the parse tree walk
+ * out_op - Unused, required for parser interface
+ *
+ * RETURN: Status
+ *
+ * DESCRIPTION: Descending callback used during the loading of ACPI tables.
+ * Currently used to detect methods that must be marked serialized
+ * in order to avoid problems with the creation of named objects.
+ *
+ ******************************************************************************/
+
+static acpi_status
+acpi_ds_detect_named_opcodes(struct acpi_walk_state *walk_state,
+ union acpi_parse_object **out_op)
+{
+
+ ACPI_FUNCTION_NAME(acpi_ds_detect_named_opcodes);
+
+ /* We are only interested in opcodes that create a new name */
+
+ if (!
+ (walk_state->op_info->
+ flags & (AML_NAMED | AML_CREATE | AML_FIELD))) {
+ return (AE_OK);
+ }
+
+ /*
+ * At this point, we know we have a Named object opcode.
+ * Mark the method as serialized. Later code will create a mutex for
+ * this method to enforce serialization.
+ *
+ * Note, ACPI_METHOD_IGNORE_SYNC_LEVEL flag means that we will ignore the
+ * Sync Level mechanism for this method, even though it is now serialized.
+ * Otherwise, there can be conflicts with existing ASL code that actually
+ * uses sync levels.
+ */
+ walk_state->method_desc->method.sync_level = 0;
+ walk_state->method_desc->method.info_flags |=
+ (ACPI_METHOD_SERIALIZED | ACPI_METHOD_IGNORE_SYNC_LEVEL);
+
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "Method serialized [%4.4s] %p - [%s] (%4.4X)\n",
+ walk_state->method_node->name.ascii,
+ walk_state->method_node, walk_state->op_info->name,
+ walk_state->opcode));
+
+ /* Abort the parse, no need to examine this method any further */
+
+ return (AE_CTRL_TERMINATE);
+}
+
+/*******************************************************************************
+ *
* FUNCTION: acpi_ds_method_error
*
* PARAMETERS: status - Execution status
@@ -74,7 +213,7 @@ acpi_ds_create_method_mutex(union acpi_operand_object *method_desc);
******************************************************************************/
acpi_status
-acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state)
+acpi_ds_method_error(acpi_status status, struct acpi_walk_state * walk_state)
{
ACPI_FUNCTION_ENTRY();
@@ -217,13 +356,19 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node,
/*
* The current_sync_level (per-thread) must be less than or equal to
* the sync level of the method. This mechanism provides some
- * deadlock prevention
+ * deadlock prevention.
+ *
+ * If the method was auto-serialized, we just ignore the sync level
+ * mechanism, because auto-serialization of methods can interfere
+ * with ASL code that actually uses sync levels.
*
* Top-level method invocation has no walk state at this point
*/
if (walk_state &&
- (walk_state->thread->current_sync_level >
- obj_desc->method.mutex->mutex.sync_level)) {
+ (!(obj_desc->method.
+ info_flags & ACPI_METHOD_IGNORE_SYNC_LEVEL))
+ && (walk_state->thread->current_sync_level >
+ obj_desc->method.mutex->mutex.sync_level)) {
ACPI_ERROR((AE_INFO,
"Cannot acquire Mutex for method [%4.4s], current SyncLevel is too large (%u)",
acpi_ut_get_node_name(method_node),
@@ -668,7 +813,8 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc,
method_desc->method.info_flags &=
~ACPI_METHOD_SERIALIZED_PENDING;
method_desc->method.info_flags |=
- ACPI_METHOD_SERIALIZED;
+ (ACPI_METHOD_SERIALIZED |
+ ACPI_METHOD_IGNORE_SYNC_LEVEL);
method_desc->method.sync_level = 0;
}
diff --git a/drivers/acpi/acpica/dswload.c b/drivers/acpi/acpica/dswload.c
index bd7811c64169..15623da26200 100644
--- a/drivers/acpi/acpica/dswload.c
+++ b/drivers/acpi/acpica/dswload.c
@@ -73,8 +73,20 @@ acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number)
{
switch (pass_number) {
+ case 0:
+
+ /* Parse only - caller will setup callbacks */
+
+ walk_state->parse_flags = ACPI_PARSE_LOAD_PASS1 |
+ ACPI_PARSE_DELETE_TREE | ACPI_PARSE_DISASSEMBLE;
+ walk_state->descending_callback = NULL;
+ walk_state->ascending_callback = NULL;
+ break;
+
case 1:
+ /* Load pass 1 */
+
walk_state->parse_flags = ACPI_PARSE_LOAD_PASS1 |
ACPI_PARSE_DELETE_TREE;
walk_state->descending_callback = acpi_ds_load1_begin_op;
@@ -83,6 +95,8 @@ acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number)
case 2:
+ /* Load pass 2 */
+
walk_state->parse_flags = ACPI_PARSE_LOAD_PASS1 |
ACPI_PARSE_DELETE_TREE;
walk_state->descending_callback = acpi_ds_load2_begin_op;
@@ -91,6 +105,8 @@ acpi_ds_init_callbacks(struct acpi_walk_state *walk_state, u32 pass_number)
case 3:
+ /* Execution pass */
+
#ifndef ACPI_NO_METHOD_EXECUTION
walk_state->parse_flags |= ACPI_PARSE_EXECUTE |
ACPI_PARSE_DELETE_TREE;
diff --git a/drivers/acpi/acpica/exsystem.c b/drivers/acpi/acpica/exsystem.c
index 841caed11c08..f7da64123ed5 100644
--- a/drivers/acpi/acpica/exsystem.c
+++ b/drivers/acpi/acpica/exsystem.c
@@ -77,7 +77,7 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout)
/* We must wait, so unlock the interpreter */
- acpi_ex_relinquish_interpreter();
+ acpi_ex_exit_interpreter();
status = acpi_os_wait_semaphore(semaphore, 1, timeout);
@@ -87,7 +87,7 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout)
/* Reacquire the interpreter */
- acpi_ex_reacquire_interpreter();
+ acpi_ex_enter_interpreter();
}
return_ACPI_STATUS(status);
@@ -123,7 +123,7 @@ acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout)
/* We must wait, so unlock the interpreter */
- acpi_ex_relinquish_interpreter();
+ acpi_ex_exit_interpreter();
status = acpi_os_acquire_mutex(mutex, timeout);
@@ -133,7 +133,7 @@ acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout)
/* Reacquire the interpreter */
- acpi_ex_reacquire_interpreter();
+ acpi_ex_enter_interpreter();
}
return_ACPI_STATUS(status);
@@ -198,7 +198,7 @@ acpi_status acpi_ex_system_do_sleep(u64 how_long)
/* Since this thread will sleep, we must release the interpreter */
- acpi_ex_relinquish_interpreter();
+ acpi_ex_exit_interpreter();
/*
* For compatibility with other ACPI implementations and to prevent
@@ -212,7 +212,7 @@ acpi_status acpi_ex_system_do_sleep(u64 how_long)
/* And now we must get the interpreter again */
- acpi_ex_reacquire_interpreter();
+ acpi_ex_enter_interpreter();
return (AE_OK);
}
diff --git a/drivers/acpi/acpica/exutils.c b/drivers/acpi/acpica/exutils.c
index 5b16c5484bee..d9d72dff2a76 100644
--- a/drivers/acpi/acpica/exutils.c
+++ b/drivers/acpi/acpica/exutils.c
@@ -100,37 +100,6 @@ void acpi_ex_enter_interpreter(void)
/*******************************************************************************
*
- * FUNCTION: acpi_ex_reacquire_interpreter
- *
- * PARAMETERS: None
- *
- * RETURN: None
- *
- * DESCRIPTION: Reacquire the interpreter execution region from within the
- * interpreter code. Failure to enter the interpreter region is a
- * fatal system error. Used in conjunction with
- * relinquish_interpreter
- *
- ******************************************************************************/
-
-void acpi_ex_reacquire_interpreter(void)
-{
- ACPI_FUNCTION_TRACE(ex_reacquire_interpreter);
-
- /*
- * If the global serialized flag is set, do not release the interpreter,
- * since it was not actually released by acpi_ex_relinquish_interpreter.
- * This forces the interpreter to be single threaded.
- */
- if (!acpi_gbl_all_methods_serialized) {
- acpi_ex_enter_interpreter();
- }
-
- return_VOID;
-}
-
-/*******************************************************************************
- *
* FUNCTION: acpi_ex_exit_interpreter
*
* PARAMETERS: None
@@ -139,7 +108,16 @@ void acpi_ex_reacquire_interpreter(void)
*
* DESCRIPTION: Exit the interpreter execution region. This is the top level
* routine used to exit the interpreter when all processing has
- * been completed.
+ * been completed, or when the method blocks.
+ *
+ * Cases where the interpreter is unlocked internally:
+ * 1) Method will be blocked on a Sleep() AML opcode
+ * 2) Method will be blocked on an Acquire() AML opcode
+ * 3) Method will be blocked on a Wait() AML opcode
+ * 4) Method will be blocked to acquire the global lock
+ * 5) Method will be blocked waiting to execute a serialized control
+ * method that is currently executing
+ * 6) About to invoke a user-installed opregion handler
*
******************************************************************************/
@@ -160,44 +138,6 @@ void acpi_ex_exit_interpreter(void)
/*******************************************************************************
*
- * FUNCTION: acpi_ex_relinquish_interpreter
- *
- * PARAMETERS: None
- *
- * RETURN: None
- *
- * DESCRIPTION: Exit the interpreter execution region, from within the
- * interpreter - before attempting an operation that will possibly
- * block the running thread.
- *
- * Cases where the interpreter is unlocked internally
- * 1) Method to be blocked on a Sleep() AML opcode
- * 2) Method to be blocked on an Acquire() AML opcode
- * 3) Method to be blocked on a Wait() AML opcode
- * 4) Method to be blocked to acquire the global lock
- * 5) Method to be blocked waiting to execute a serialized control method
- * that is currently executing
- * 6) About to invoke a user-installed opregion handler
- *
- ******************************************************************************/
-
-void acpi_ex_relinquish_interpreter(void)
-{
- ACPI_FUNCTION_TRACE(ex_relinquish_interpreter);
-
- /*
- * If the global serialized flag is set, do not release the interpreter.
- * This forces the interpreter to be single threaded.
- */
- if (!acpi_gbl_all_methods_serialized) {
- acpi_ex_exit_interpreter();
- }
-
- return_VOID;
-}
-
-/*******************************************************************************
- *
* FUNCTION: acpi_ex_truncate_for32bit_table
*
* PARAMETERS: obj_desc - Object to be truncated
diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c
index 5b74677bf74d..a3fb7e4c0809 100644
--- a/drivers/acpi/acpica/nsinit.c
+++ b/drivers/acpi/acpica/nsinit.c
@@ -111,9 +111,8 @@ acpi_status acpi_ns_initialize_objects(void)
info.object_count));
ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
- "%u Control Methods found\n", info.method_count));
- ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH,
- "%u Op Regions found\n", info.op_region_count));
+ "%u Control Methods found\n%u Op Regions found\n",
+ info.method_count, info.op_region_count));
return_ACPI_STATUS(AE_OK);
}
diff --git a/drivers/acpi/acpica/nsload.c b/drivers/acpi/acpica/nsload.c
index 7ae521ce8d3f..7c9d0181f341 100644
--- a/drivers/acpi/acpica/nsload.c
+++ b/drivers/acpi/acpica/nsload.c
@@ -128,12 +128,12 @@ unlock:
* parse trees.
*/
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "**** Begin Table Method Parsing and Object Initialization\n"));
+ "**** Begin Table Object Initialization\n"));
status = acpi_ds_initialize_objects(table_index, node);
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
- "**** Completed Table Method Parsing and Object Initialization\n"));
+ "**** Completed Table Object Initialization\n"));
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/acpica/psloop.c b/drivers/acpi/acpica/psloop.c
index 646d1a3f6e27..b058e2390fdd 100644
--- a/drivers/acpi/acpica/psloop.c
+++ b/drivers/acpi/acpica/psloop.c
@@ -480,6 +480,10 @@ acpi_status acpi_ps_parse_loop(struct acpi_walk_state *walk_state)
status = AE_OK;
}
+ if (status == AE_CTRL_TERMINATE) {
+ return_ACPI_STATUS(status);
+ }
+
status =
acpi_ps_complete_op(walk_state, &op,
status);
diff --git a/drivers/acpi/acpica/psobject.c b/drivers/acpi/acpica/psobject.c
index af1f46cd37a5..a6885077d59e 100644
--- a/drivers/acpi/acpica/psobject.c
+++ b/drivers/acpi/acpica/psobject.c
@@ -219,7 +219,10 @@ acpi_ps_build_named_op(struct acpi_walk_state *walk_state,
status = walk_state->descending_callback(walk_state, op);
if (ACPI_FAILURE(status)) {
- ACPI_EXCEPTION((AE_INFO, status, "During name lookup/catalog"));
+ if (status != AE_CTRL_TERMINATE) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "During name lookup/catalog"));
+ }
return_ACPI_STATUS(status);
}
@@ -230,7 +233,7 @@ acpi_ps_build_named_op(struct acpi_walk_state *walk_state,
status = acpi_ps_next_parse_state(walk_state, *op, status);
if (ACPI_FAILURE(status)) {
if (status == AE_CTRL_PENDING) {
- return_ACPI_STATUS(AE_CTRL_PARSE_PENDING);
+ status = AE_CTRL_PARSE_PENDING;
}
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 27f84af4e337..f7fd72ac69cf 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -1537,17 +1537,21 @@ static int __init osi_setup(char *str)
__setup("acpi_osi=", osi_setup);
-/* enable serialization to combat AE_ALREADY_EXISTS errors */
-static int __init acpi_serialize_setup(char *str)
+/*
+ * Disable the auto-serialization of named objects creation methods.
+ *
+ * This feature is enabled by default. It marks the AML control methods
+ * that contain the opcodes to create named objects as "Serialized".
+ */
+static int __init acpi_no_auto_serialize_setup(char *str)
{
- printk(KERN_INFO PREFIX "serialize enabled\n");
-
- acpi_gbl_all_methods_serialized = TRUE;
+ acpi_gbl_auto_serialize_methods = FALSE;
+ pr_info("ACPI: auto-serialization disabled\n");
return 1;
}
-__setup("acpi_serialize", acpi_serialize_setup);
+__setup("acpi_no_auto_serialize", acpi_no_auto_serialize_setup);
/* Check of resource interference between native drivers and ACPI
* OperationRegions (SystemIO and System Memory only).
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 86d73d5d503f..71e2065639a6 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -70,28 +70,6 @@ static int map_lsapic_id(struct acpi_subtable_header *entry,
return 0;
}
-static int map_gic_id(struct acpi_subtable_header *entry,
- int device_declaration, u32 acpi_id, int *apic_id)
-{
- struct acpi_madt_generic_interrupt *gic =
- (struct acpi_madt_generic_interrupt *)entry;
-
- if (!(gic->flags & ACPI_MADT_ENABLED))
- return -ENODEV;
-
- /*
- * In the GIC interrupt model, logical processors are
- * required to have a Processor Device object in the DSDT,
- * so we should check device_declaration here
- */
- if (device_declaration && (gic->uid == acpi_id)) {
- *apic_id = gic->gic_id;
- return 0;
- }
-
- return -EINVAL;
-}
-
static int map_madt_entry(int type, u32 acpi_id)
{
unsigned long madt_end, entry;
@@ -127,9 +105,6 @@ static int map_madt_entry(int type, u32 acpi_id)
} else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) {
if (!map_lsapic_id(header, type, acpi_id, &apic_id))
break;
- } else if (header->type == ACPI_MADT_TYPE_GENERIC_INTERRUPT) {
- if (!map_gic_id(header, type, acpi_id, &apic_id))
- break;
}
entry += header->length;
}
@@ -160,8 +135,6 @@ static int map_mat_entry(acpi_handle handle, int type, u32 acpi_id)
map_lapic_id(header, acpi_id, &apic_id);
} else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) {
map_lsapic_id(header, type, acpi_id, &apic_id);
- } else if (header->type == ACPI_MADT_TYPE_GENERIC_INTERRUPT) {
- map_gic_id(header, type, acpi_id, &apic_id);
}
exit:
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-06 18:29:32 +0000