[PATCH 3.14 18/23] ACPICA: Dispatcher: Update thread ID for recursive method calls

[Greg Kroah-Hartman]

3.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Prarit Bhargava <prarit@xxxxxxxxxx>

commit 93d68841a23a5779cef6fb9aa0ef32e7c5bd00da upstream.

ACPICA commit 7a3bd2d962f221809f25ddb826c9e551b916eb25

Set the mutex owner thread ID.
Original patch from: Prarit Bhargava <prarit@xxxxxxxxxx>

Link: https://bugzilla.kernel.org/show_bug.cgi?id=115121
Link: https://github.com/acpica/acpica/commit/7a3bd2d9
Signed-off-by: Prarit Bhargava <prarit@xxxxxxxxxx>
Tested-by: Andy Lutomirski <luto@xxxxxxxxxx> # On a Dell XPS 13 9350
Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lv Zheng <lv.zheng@xxxxxxxxx>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/acpi/acpica/dsmethod.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/drivers/acpi/acpica/dsmethod.c
+++ b/drivers/acpi/acpica/dsmethod.c
@@ -267,6 +267,9 @@ acpi_ds_begin_method_execution(struct ac
 				obj_desc->method.mutex->mutex.
 				    original_sync_level =
 				    obj_desc->method.mutex->mutex.sync_level;
+
+				obj_desc->method.mutex->mutex.thread_id =
+				    acpi_os_get_thread_id();
 			}
 		}