diff --git a/sdk/xtdk/kefuncs.h b/sdk/xtdk/kefuncs.h
index ef9f0838..a2a75f28 100644
--- a/sdk/xtdk/kefuncs.h
+++ b/sdk/xtdk/kefuncs.h
@@ -27,6 +27,12 @@ KeInitializeApc(IN PKAPC Apc,
                 IN KPROCESSOR_MODE ApcMode,
                 IN PVOID Context);
 
+XTAPI
+VOID
+KeInitializeDpc(IN PKDPC Dpc,
+                IN PKDEFERRED_ROUTINE DpcRoutine,
+                IN PVOID DpcContext);
+
 XTAPI
 VOID
 KeInitializeSemaphore(IN PKSEMAPHORE Semaphore,
@@ -37,6 +43,12 @@ XTAPI
 VOID
 KeInitializeSpinLock(IN PKSPIN_LOCK SpinLock);
 
+XTAPI
+VOID
+KeInitializeThreadedDpc(IN PKDPC Dpc,
+                        IN PKDEFERRED_ROUTINE DpcRoutine,
+                        IN PVOID DpcContext);
+
 XTAPI
 VOID
 KeInitializeTimer(OUT PKTIMER Timer);
diff --git a/xtoskrnl/ke/dpc.c b/xtoskrnl/ke/dpc.c
index 4a7ff489..cd521a74 100644
--- a/xtoskrnl/ke/dpc.c
+++ b/xtoskrnl/ke/dpc.c
@@ -42,6 +42,39 @@ KeInitializeDpc(IN PKDPC Dpc,
     Dpc->DpcData = NULL;
 }
 
+/**
+ * Initializes Deferred Procedure Call (DPC) object.
+ *
+ * @param Dpc
+ *        Supplies a pointer to the DPC being initialized.
+ *
+ * @param DpcRoutine
+ *        Supplies a pointer to the DPC routine being called on object removal.
+ *
+ * @param DpcContext
+ *        Supplies a pointer to memory area containing context data for DPC routine.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since NT 5.2
+ */
+XTAPI
+VOID
+KeInitializeThreadedDpc(IN PKDPC Dpc,
+                        IN PKDEFERRED_ROUTINE DpcRoutine,
+                        IN PVOID DpcContext)
+{
+    /* Initialize threaded DPC */
+    Dpc->Type = ThreadedDpcObject;
+    Dpc->Number = 0;
+    Dpc->Importance = MediumImportance;
+
+    /* Initialize DPC routine and context data */
+    Dpc->DeferredContext = DpcContext;
+    Dpc->DeferredRoutine = DpcRoutine;
+    Dpc->DpcData = NULL;
+}
+
 /**
  * Retires the expired DPC objects found in the DPC list.
  *
diff --git a/xtoskrnl/xtoskrnl.spec b/xtoskrnl/xtoskrnl.spec
index 7b1d60bd..a0d83a6d 100644
--- a/xtoskrnl/xtoskrnl.spec
+++ b/xtoskrnl/xtoskrnl.spec
@@ -8,8 +8,10 @@
 @ cdecl HlIoPortOutLong(ptr long)
 @ cdecl HlIoPortOutShort(ptr long)
 @ stdcall KeInitializeApc(ptr ptr long ptr ptr ptr long ptr)
+@ stdcall KeInitializeDpc(ptr ptr ptr)
 @ stdcall KeInitializeSemaphore(ptr long long)
 @ stdcall KeInitializeSpinLock(ptr)
+@ stdcall KeInitializeThreadedDpc(ptr ptr ptr)
 @ stdcall KeInitializeTimer(ptr)
 @ stdcall KeInitializeTimerEx(ptr long)
 @ stdcall KeReadSemaphoreState(ptr)