Fix SyncBuffer page tables cloning

multiOsContextCapable param was hardcoded to false and page tables were
not cloned to other SubDevices

Signed-off-by: Bartosz Dunajski <[email protected]>

Author: BartoszDunajski

opencl/test/unit_test/command_queue/sync_buffer_handler_tests.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2019-2021 Intel Corporation
+ * Copyright (C) 2019-2022 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -238,3 +238,12 @@ TEST(SyncBufferHandlerDeviceTest, GivenSubDeviceWhenAllocateSyncBufferIsCalledTw
 
     EXPECT_EQ(testUsedBufferSize, syncBufferHandler->usedBufferSize);
 }
+
+TEST(SyncBufferHandlerDeviceTest, givenMultipleSubDevicesWhenAllocatingSyncBufferThenClonePageTables) {
+    UltDeviceFactory ultDeviceFactory{1, 2};
+    auto rootDevice = ultDeviceFactory.rootDevices[0];
+    rootDevice->allocateSyncBufferHandler();
+    auto syncBufferHandler = reinterpret_cast<MockSyncBufferHandler *>(rootDevice->syncBufferHandler.get());
+
+    EXPECT_TRUE(syncBufferHandler->graphicsAllocation->storageInfo.cloningOfPageTables);
+}

shared/source/program/sync_buffer_handler.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2019-2021 Intel Corporation
+ * Copyright (C) 2019-2022 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -29,7 +29,8 @@ void SyncBufferHandler::makeResident(CommandStreamReceiver &csr) {
 void SyncBufferHandler::allocateNewBuffer() {
     AllocationProperties allocationProperties{device.getRootDeviceIndex(), true, bufferSize,
                                               GraphicsAllocation::AllocationType::LINEAR_STREAM,
-                                              false, false, device.getDeviceBitfield()};
+                                              (device.getNumGenericSubDevices() > 1u), /* multiOsContextCapable */
+                                              false, device.getDeviceBitfield()};
     graphicsAllocation = memoryManager.allocateGraphicsMemoryWithProperties(allocationProperties);
     UNRECOVERABLE_IF(graphicsAllocation == nullptr);