diff options
author | Len Brown <len.brown@intel.com> | 2007-02-16 22:11:21 -0500 |
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committer | Len Brown <len.brown@intel.com> | 2007-02-16 22:11:21 -0500 |
commit | f0e5ed7f323db4e47b51da4a23fad8245c173081 (patch) | |
tree | 27f5ff70329a41bb2bce16813bcf8832ce75c2ff /drivers/acpi | |
parent | 8800c0ebf5e8363dab66647512dcef5b83203dec (diff) | |
parent | 5f7748cf91558a5026ded5be93c5bf6c1ac34edf (diff) | |
download | op-kernel-dev-f0e5ed7f323db4e47b51da4a23fad8245c173081.zip op-kernel-dev-f0e5ed7f323db4e47b51da4a23fad8245c173081.tar.gz |
Pull bugzilla-5534 into release branch
Diffstat (limited to 'drivers/acpi')
-rw-r--r-- | drivers/acpi/dispatcher/dsmethod.c | 12 | ||||
-rw-r--r-- | drivers/acpi/events/evmisc.c | 11 | ||||
-rw-r--r-- | drivers/acpi/executer/exdump.c | 2 | ||||
-rw-r--r-- | drivers/acpi/executer/exmutex.c | 36 | ||||
-rw-r--r-- | drivers/acpi/utilities/utdelete.c | 1 |
5 files changed, 27 insertions, 35 deletions
diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c index 1cbe619..1683e5c 100644 --- a/drivers/acpi/dispatcher/dsmethod.c +++ b/drivers/acpi/dispatcher/dsmethod.c @@ -231,10 +231,8 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node, * Obtain the method mutex if necessary. Do not acquire mutex for a * recursive call. */ - if (!walk_state || - !obj_desc->method.mutex->mutex.owner_thread || - (walk_state->thread != - obj_desc->method.mutex->mutex.owner_thread)) { + if (acpi_os_get_thread_id() != + obj_desc->method.mutex->mutex.owner_thread_id) { /* * Acquire the method mutex. This releases the interpreter if we * block (and reacquires it before it returns) @@ -248,14 +246,14 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node, } /* Update the mutex and walk info and save the original sync_level */ + obj_desc->method.mutex->mutex.owner_thread_id = + acpi_os_get_thread_id(); if (walk_state) { obj_desc->method.mutex->mutex. original_sync_level = walk_state->thread->current_sync_level; - obj_desc->method.mutex->mutex.owner_thread = - walk_state->thread; walk_state->thread->current_sync_level = obj_desc->method.sync_level; } else { @@ -569,7 +567,7 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc, acpi_os_release_mutex(method_desc->method.mutex->mutex. os_mutex); - method_desc->method.mutex->mutex.owner_thread = NULL; + method_desc->method.mutex->mutex.owner_thread_id = ACPI_MUTEX_NOT_ACQUIRED; } } diff --git a/drivers/acpi/events/evmisc.c b/drivers/acpi/events/evmisc.c index 1b784ffe..d572700 100644 --- a/drivers/acpi/events/evmisc.c +++ b/drivers/acpi/events/evmisc.c @@ -196,12 +196,11 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node, notify_info->notify.value = (u16) notify_value; notify_info->notify.handler_obj = handler_obj; - status = - acpi_os_execute(OSL_NOTIFY_HANDLER, acpi_ev_notify_dispatch, - notify_info); - if (ACPI_FAILURE(status)) { - acpi_ut_delete_generic_state(notify_info); - } + acpi_ex_relinquish_interpreter(); + + acpi_ev_notify_dispatch(notify_info); + + acpi_ex_reacquire_interpreter(); } if (!handler_obj) { diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c index 68d283f..1a73c14 100644 --- a/drivers/acpi/executer/exdump.c +++ b/drivers/acpi/executer/exdump.c @@ -134,7 +134,7 @@ static struct acpi_exdump_info acpi_ex_dump_method[8] = { static struct acpi_exdump_info acpi_ex_dump_mutex[5] = { {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_mutex), NULL}, {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(mutex.sync_level), "Sync Level"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.owner_thread), "Owner Thread"}, + {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.owner_thread_id), "Owner Thread"}, {ACPI_EXD_UINT16, ACPI_EXD_OFFSET(mutex.acquisition_depth), "Acquire Depth"}, {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.os_mutex), "OsMutex"} diff --git a/drivers/acpi/executer/exmutex.c b/drivers/acpi/executer/exmutex.c index 5101bad..4eb883b 100644 --- a/drivers/acpi/executer/exmutex.c +++ b/drivers/acpi/executer/exmutex.c @@ -66,10 +66,9 @@ acpi_ex_link_mutex(union acpi_operand_object *obj_desc, * ******************************************************************************/ -void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc) +void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc, + struct acpi_thread_state *thread) { - struct acpi_thread_state *thread = obj_desc->mutex.owner_thread; - if (!thread) { return; } @@ -174,16 +173,13 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc, /* Support for multiple acquires by the owning thread */ - if (obj_desc->mutex.owner_thread) { - if (obj_desc->mutex.owner_thread->thread_id == - walk_state->thread->thread_id) { - /* - * The mutex is already owned by this thread, just increment the - * acquisition depth - */ - obj_desc->mutex.acquisition_depth++; - return_ACPI_STATUS(AE_OK); - } + if (obj_desc->mutex.owner_thread_id == acpi_os_get_thread_id()) { + /* + * The mutex is already owned by this thread, just increment the + * acquisition depth + */ + obj_desc->mutex.acquisition_depth++; + return_ACPI_STATUS(AE_OK); } /* Acquire the mutex, wait if necessary. Special case for Global Lock */ @@ -206,7 +202,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc, /* Have the mutex: update mutex and walk info and save the sync_level */ - obj_desc->mutex.owner_thread = walk_state->thread; + obj_desc->mutex.owner_thread_id = acpi_os_get_thread_id(); obj_desc->mutex.acquisition_depth = 1; obj_desc->mutex.original_sync_level = walk_state->thread->current_sync_level; @@ -246,7 +242,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, /* The mutex must have been previously acquired in order to release it */ - if (!obj_desc->mutex.owner_thread) { + if (!obj_desc->mutex.owner_thread_id) { ACPI_ERROR((AE_INFO, "Cannot release Mutex [%4.4s], not acquired", acpi_ut_get_node_name(obj_desc->mutex.node))); @@ -266,14 +262,14 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, * The Mutex is owned, but this thread must be the owner. * Special case for Global Lock, any thread can release */ - if ((obj_desc->mutex.owner_thread->thread_id != + if ((obj_desc->mutex.owner_thread_id != walk_state->thread->thread_id) && (obj_desc->mutex.os_mutex != acpi_gbl_global_lock_mutex)) { ACPI_ERROR((AE_INFO, "Thread %lX cannot release Mutex [%4.4s] acquired by thread %lX", (unsigned long)walk_state->thread->thread_id, acpi_ut_get_node_name(obj_desc->mutex.node), - (unsigned long)obj_desc->mutex.owner_thread->thread_id)); + (unsigned long)obj_desc->mutex.owner_thread_id)); return_ACPI_STATUS(AE_AML_NOT_OWNER); } @@ -300,7 +296,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, /* Unlink the mutex from the owner's list */ - acpi_ex_unlink_mutex(obj_desc); + acpi_ex_unlink_mutex(obj_desc, walk_state->thread); /* Release the mutex, special case for Global Lock */ @@ -312,7 +308,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, /* Update the mutex and restore sync_level */ - obj_desc->mutex.owner_thread = NULL; + obj_desc->mutex.owner_thread_id = ACPI_MUTEX_NOT_ACQUIRED; walk_state->thread->current_sync_level = obj_desc->mutex.original_sync_level; @@ -367,7 +363,7 @@ void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread) /* Mark mutex unowned */ - obj_desc->mutex.owner_thread = NULL; + obj_desc->mutex.owner_thread_id = ACPI_MUTEX_NOT_ACQUIRED; /* Update Thread sync_level (Last mutex is the important one) */ diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c index f777ceb..673a0ca 100644 --- a/drivers/acpi/utilities/utdelete.c +++ b/drivers/acpi/utilities/utdelete.c @@ -170,7 +170,6 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object) acpi_os_delete_mutex(object->mutex.os_mutex); acpi_gbl_global_lock_mutex = NULL; } else { - acpi_ex_unlink_mutex(object); acpi_os_delete_mutex(object->mutex.os_mutex); } break; |