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ACPICA: Add debug print message for mutex objects that are force-released

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At control method termination, any currently acquired mutex
objects are force-released. Add a new message for each one that
is released.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Bob Moore
2012-10-31 02:27:24 +00:00
committed by Rafael J. Wysocki
parent bee6dc39cf
commit 2489ef0184
1 changed files with 5 additions and 1 deletions
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6
drivers/acpi/acpica/exmutex.c
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@@ -461,7 +461,7 @@ void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread)
union acpi_operand_object *next = thread->acquired_mutex_list; union acpi_operand_object *next = thread->acquired_mutex_list;
union acpi_operand_object *obj_desc; union acpi_operand_object *obj_desc;
ACPI_FUNCTION_ENTRY(); ACPI_FUNCTION_NAME(ex_release_all_mutexes);
/* Traverse the list of owned mutexes, releasing each one */ /* Traverse the list of owned mutexes, releasing each one */
@@ -473,6 +473,10 @@ void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread)
obj_desc->mutex.next = NULL; obj_desc->mutex.next = NULL;
obj_desc->mutex.acquisition_depth = 0; obj_desc->mutex.acquisition_depth = 0;
ACPI_DEBUG_PRINT((ACPI_DB_EXEC,
"Force-releasing held mutex: %p\n",
obj_desc));
/* Release the mutex, special case for Global Lock */ /* Release the mutex, special case for Global Lock */
if (obj_desc == acpi_gbl_global_lock_mutex) { if (obj_desc == acpi_gbl_global_lock_mutex) {