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

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>

diff --git a/drivers/acpi/acpica/exmutex.c b/drivers/acpi/acpica/exmutex.c
index 4723974a4cf507e07583396c9caefba68b34a2a2..d1f449d93dcf2de4a51755bc08ad3407a218f54c 100644 (file)
--- a/drivers/acpi/acpica/exmutex.c
+++ b/drivers/acpi/acpica/exmutex.c
@@ -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 *obj_desc;
 
-       ACPI_FUNCTION_ENTRY();
+       ACPI_FUNCTION_NAME(ex_release_all_mutexes);
 
        /* 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.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 */
 
                if (obj_desc == acpi_gbl_global_lock_mutex) {