From: Lv Zheng <lv.zheng@intel.com>
Date: Wed, 30 Nov 2016 07:20:59 +0000 (+0800)
Subject: ACPICA: Back port of "ACPICA: Dispatcher: Tune interpreter lock around AcpiEvInitiali... 
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=f7cc87413b389c49e5bbc93aa65e6e67f475fb78;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

ACPICA: Back port of "ACPICA: Dispatcher: Tune interpreter lock around AcpiEvInitializeRegion()"

ACPICA commit bc481e758e54f7644fd0b657119ca7763d8b6a9c

This is a back port result of the following commit:
  Commit: 8633db6b027952449e155a316f4ae3a530bbe18f
  Subject: ACPICA: Dispatcher: Fix interpreter locking around acpi_ev_initialize_region()

Link: https://github.com/acpica/acpica/commit/bc481e75
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---

diff --git a/drivers/acpi/acpica/dsinit.c b/drivers/acpi/acpica/dsinit.c
index 54d48b90de2c..5de3f10cab03 100644
--- a/drivers/acpi/acpica/dsinit.c
+++ b/drivers/acpi/acpica/dsinit.c
@@ -221,8 +221,8 @@ acpi_ds_initialize_objects(u32 table_index,
 	 */
 	status =
 	    acpi_ns_walk_namespace(ACPI_TYPE_ANY, start_node, ACPI_UINT32_MAX,
-				   0, acpi_ds_init_one_object, NULL, &info,
-				   NULL);
+				   ACPI_NS_WALK_NO_UNLOCK,
+				   acpi_ds_init_one_object, NULL, &info, NULL);
 	if (ACPI_FAILURE(status)) {
 		ACPI_EXCEPTION((AE_INFO, status, "During WalkNamespace"));
 	}