From a94f18810f52d3a6de0a09bee0c7258b62eca262 Mon Sep 17 00:00:00 2001 From: Len Brown Date: Sat, 3 Sep 2005 00:09:12 -0400 Subject: [ACPI] revert owner-id-3.patch Signed-off-by: Len Brown --- drivers/acpi/dispatcher/dsmethod.c | 52 +++++++++++++++++++------------------- drivers/acpi/parser/psparse.c | 21 ++++++++++----- drivers/acpi/parser/psxface.c | 13 ++++++++++ drivers/acpi/utilities/utmisc.c | 2 -- include/acpi/acdispat.h | 2 +- 5 files changed, 55 insertions(+), 35 deletions(-) diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c index 8b67a91..77fcfc3 100644 --- a/drivers/acpi/dispatcher/dsmethod.c +++ b/drivers/acpi/dispatcher/dsmethod.c @@ -235,16 +235,6 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node, acpi_ex_system_wait_semaphore(obj_desc->method.semaphore, ACPI_WAIT_FOREVER); } - /* - * allocate owner id for this method - */ - if (!obj_desc->method.thread_count) { - status = acpi_ut_allocate_owner_id (&obj_desc->method.owner_id); - if (ACPI_FAILURE (status)) { - return_ACPI_STATUS (status); - } - } - /* * Increment the method parse tree thread count since it has been @@ -299,6 +289,11 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, return_ACPI_STATUS(AE_NULL_OBJECT); } + status = acpi_ut_allocate_owner_id(&obj_desc->method.owner_id); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + /* Init for new method, wait on concurrency semaphore */ status = acpi_ds_begin_method_execution(method_node, obj_desc, @@ -385,18 +380,22 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, if (obj_desc->method.method_flags & AML_METHOD_INTERNAL_ONLY) { status = obj_desc->method.implementation(next_walk_state); + return_ACPI_STATUS(status); } - goto end; -cleanup: - /* Decrement the thread count on the method parse tree */ + return_ACPI_STATUS(AE_OK); + + /* On error, we must delete the new walk state */ + + cleanup: + acpi_ut_release_owner_id(&obj_desc->method.owner_id); if (next_walk_state && (next_walk_state->method_desc)) { + /* Decrement the thread count on the method parse tree */ + next_walk_state->method_desc->method.thread_count--; } - /* On error, we must delete the new walk state */ - acpi_ds_terminate_control_method (next_walk_state); - acpi_ds_delete_walk_state (next_walk_state); -end: + (void)acpi_ds_terminate_control_method(next_walk_state); + acpi_ds_delete_walk_state(next_walk_state); return_ACPI_STATUS(status); } @@ -480,7 +479,7 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state, * * PARAMETERS: walk_state - State of the method * - * RETURN: None + * RETURN: Status * * DESCRIPTION: Terminate a control method. Delete everything that the method * created, delete all locals and arguments, and delete the parse @@ -488,7 +487,7 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state, * ******************************************************************************/ -void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state) +acpi_status acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state) { union acpi_operand_object *obj_desc; struct acpi_namespace_node *method_node; @@ -497,14 +496,14 @@ void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state) ACPI_FUNCTION_TRACE_PTR("ds_terminate_control_method", walk_state); if (!walk_state) { - return_VOID; + return (AE_BAD_PARAMETER); } /* The current method object was saved in the walk state */ obj_desc = walk_state->method_desc; if (!obj_desc) { - return_VOID; + return_ACPI_STATUS(AE_OK); } /* Delete all arguments and locals */ @@ -518,7 +517,7 @@ void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state) */ status = acpi_ut_acquire_mutex(ACPI_MTX_PARSER); if (ACPI_FAILURE(status)) { - return_VOID; + return_ACPI_STATUS(status); } /* Signal completion of the execution of this method if necessary */ @@ -575,7 +574,7 @@ void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state) */ status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); if (ACPI_FAILURE(status)) { - goto cleanup; + return_ACPI_STATUS(status); } if (method_node->child) { @@ -593,9 +592,10 @@ void acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state) owner_id); if (ACPI_FAILURE(status)) { - goto cleanup; + return_ACPI_STATUS(status); } } -cleanup: - acpi_ut_release_mutex (ACPI_MTX_PARSER); + + status = acpi_ut_release_mutex(ACPI_MTX_PARSER); + return_ACPI_STATUS(status); } diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c index 3677130..3248051 100644 --- a/drivers/acpi/parser/psparse.c +++ b/drivers/acpi/parser/psparse.c @@ -438,6 +438,7 @@ acpi_ps_next_parse_state(struct acpi_walk_state *walk_state, acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state) { acpi_status status; + acpi_status terminate_status; struct acpi_thread_state *thread; struct acpi_thread_state *prev_walk_list = acpi_gbl_current_walk_list; struct acpi_walk_state *previous_walk_state; @@ -507,9 +508,6 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state) walk_state->method_node, NULL, status); - /* Make sure that failed method will be cleaned as if it was executed */ - walk_state->parse_flags |= ACPI_PARSE_EXECUTE; - /* Check for possible multi-thread reentrancy problem */ if ((status == AE_ALREADY_EXISTS) && @@ -526,6 +524,14 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state) } } + if (walk_state->method_desc) { + /* Decrement the thread count on the method parse tree */ + + if (walk_state->method_desc->method.thread_count) { + walk_state->method_desc->method.thread_count--; + } + } + /* We are done with this walk, move on to the parent if any */ walk_state = acpi_ds_pop_walk_state(thread); @@ -540,10 +546,13 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state) */ if ((walk_state->parse_flags & ACPI_PARSE_MODE_MASK) == ACPI_PARSE_EXECUTE) { - if (walk_state->method_desc) { - walk_state->method_desc->method.thread_count--; + terminate_status = + acpi_ds_terminate_control_method(walk_state); + if (ACPI_FAILURE(terminate_status)) { + ACPI_REPORT_ERROR(("Could not terminate control method properly\n")); + + /* Ignore error and continue */ } - acpi_ds_terminate_control_method (walk_state); } /* Delete this walk state and all linked control states */ diff --git a/drivers/acpi/parser/psxface.c b/drivers/acpi/parser/psxface.c index f6904bd..80c67f2 100644 --- a/drivers/acpi/parser/psxface.c +++ b/drivers/acpi/parser/psxface.c @@ -99,6 +99,16 @@ acpi_status acpi_ps_execute_method(struct acpi_parameter_info *info) } /* + * Get a new owner_id for objects created by this method. Namespace + * objects (such as Operation Regions) can be created during the + * first pass parse. + */ + status = acpi_ut_allocate_owner_id(&info->obj_desc->method.owner_id); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* * The caller "owns" the parameters, so give each one an extra * reference */ @@ -129,6 +139,9 @@ acpi_status acpi_ps_execute_method(struct acpi_parameter_info *info) status = acpi_ps_execute_pass(info); cleanup: + if (info->obj_desc->method.owner_id) { + acpi_ut_release_owner_id(&info->obj_desc->method.owner_id); + } /* Take away the extra reference that we gave the parameters above */ diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c index c2f5b2a..f027502 100644 --- a/drivers/acpi/utilities/utmisc.c +++ b/drivers/acpi/utilities/utmisc.c @@ -67,8 +67,6 @@ acpi_status acpi_ut_allocate_owner_id(acpi_owner_id * owner_id) ACPI_FUNCTION_TRACE("ut_allocate_owner_id"); - WARN_ON(*owner_id); - /* Mutex for the global ID mask */ status = acpi_ut_acquire_mutex(ACPI_MTX_CACHES); diff --git a/include/acpi/acdispat.h b/include/acpi/acdispat.h index c436e8b..5930618 100644 --- a/include/acpi/acdispat.h +++ b/include/acpi/acdispat.h @@ -194,7 +194,7 @@ acpi_status acpi_ds_restart_control_method(struct acpi_walk_state *walk_state, union acpi_operand_object *return_desc); -void +acpi_status acpi_ds_terminate_control_method(struct acpi_walk_state *walk_state); acpi_status -- cgit v1.1