diff --git a/reactos/include/ddk/exfuncs.h b/reactos/include/ddk/exfuncs.h
index c2979b81db4..3513274fce5 100644
--- a/reactos/include/ddk/exfuncs.h
+++ b/reactos/include/ddk/exfuncs.h
@@ -254,15 +254,15 @@ ExfInterlockedCompareExchange64(
 VOID
 STDCALL
 ExGetCurrentProcessorCounts (
-	PVOID	IdleThreadTime,
-	PVOID	SystemTime,
-	PVOID	Number
-	);
+	PULONG	ThreadKernelTime,
+	PULONG	TotalCpuTime,
+	PULONG	ProcessorNumber
+);
 
 VOID
 STDCALL
 ExGetCurrentProcessorCpuUsage (
-	PVOID	RetVal
+	PULONG	CpuUsage
 	);
 
 ULONG
diff --git a/reactos/ntoskrnl/ex/list.c b/reactos/ntoskrnl/ex/list.c
index 90afeb5d9c8..ee294e29cdb 100644
--- a/reactos/ntoskrnl/ex/list.c
+++ b/reactos/ntoskrnl/ex/list.c
@@ -1,4 +1,4 @@
-/* $Id: list.c,v 1.13 2004/08/15 16:39:01 chorns Exp $
+/* $Id: list.c,v 1.14 2004/10/12 00:56:46 ion Exp $
  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS kernel
@@ -22,7 +22,7 @@ static KSPIN_LOCK ExpGlobalListLock = { 0, };
 /* FUNCTIONS *************************************************************/
 
 /*
- * @unimplemented
+ * @implemented
  */
 PSLIST_ENTRY
 FASTCALL
@@ -30,10 +30,12 @@ ExInterlockedFlushSList (
     IN PSLIST_HEADER ListHead
     )
 {
-	PSLIST_ENTRY Old = NULL;
+    PSLIST_ENTRY Old;
 
-	UNIMPLEMENTED;
-	return Old;
+    Old = &ListHead->Next;
+    ListHead->Next.Next = 0;
+
+    return Old;
 }
 
 /*
diff --git a/reactos/ntoskrnl/ex/sysinfo.c b/reactos/ntoskrnl/ex/sysinfo.c
index 49f3ec0343f..3ae1a85f54c 100644
--- a/reactos/ntoskrnl/ex/sysinfo.c
+++ b/reactos/ntoskrnl/ex/sysinfo.c
@@ -1,4 +1,4 @@
-/* $Id: sysinfo.c,v 1.50 2004/10/08 20:02:30 gvg Exp $
+/* $Id: sysinfo.c,v 1.51 2004/10/12 00:56:46 ion Exp $
  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS kernel
@@ -44,28 +44,50 @@ ExEnumHandleTable (
 }
 
 /*
- * @unimplemented
- */
-VOID
-STDCALL
-ExGetCurrentProcessorCounts (
-	PVOID	IdleThreadTime,
-	PVOID	SystemTime,
-	PVOID	Number
-	)
-{
-	UNIMPLEMENTED;
-}
-/*
- * @unimplemented
+ * @implemented
  */
 VOID
 STDCALL
 ExGetCurrentProcessorCpuUsage (
-	PVOID	RetVal
+	PULONG	CpuUsage
 	)
 {
-	UNIMPLEMENTED;
+	PKPCR Pcr;
+	ULONG TotalTime;
+	ULONG PercentTime;
+
+	Pcr = KeGetCurrentKPCR();
+
+	TotalTime = Pcr->PrcbData.KernelTime + Pcr->PrcbData.UserTime;
+	PercentTime = 100 - (TotalTime / Pcr->PrcbData.CurrentThread->KernelTime * 100);
+	CpuUsage = &PercentTime;
+}
+
+/*
+ * @implemented
+ */
+VOID
+STDCALL
+ExGetCurrentProcessorCounts (
+	PULONG	ThreadKernelTime,
+	PULONG	TotalCpuTime,
+	PULONG	ProcessorNumber
+	)
+{
+	PKPCR Pcr;
+	ULONG TotalTime;
+	ULONG ThreadTime;
+	ULONG ProcNumber;
+
+	Pcr = KeGetCurrentKPCR();
+
+	TotalTime = Pcr->PrcbData.KernelTime + Pcr->PrcbData.UserTime;
+	ThreadTime = Pcr->PrcbData.CurrentThread->KernelTime;
+	ProcNumber = Pcr->ProcessorNumber;
+
+	ThreadKernelTime = &ThreadTime;
+	TotalCpuTime = &TotalTime;
+	ProcessorNumber = &ProcNumber;
 }
 
 NTSTATUS STDCALL
diff --git a/reactos/ntoskrnl/ex/util.c b/reactos/ntoskrnl/ex/util.c
index 082a3a95f89..25c4bee59a4 100644
--- a/reactos/ntoskrnl/ex/util.c
+++ b/reactos/ntoskrnl/ex/util.c
@@ -43,8 +43,9 @@ ExUuidCreate(
 	UNIMPLEMENTED;
 	return FALSE;
 }
+
 /*
- * @unimplemented
+ * @implemented
  */
 STDCALL
 BOOLEAN
@@ -52,8 +53,8 @@ ExVerifySuite(
     SUITE_TYPE SuiteType
     )
 {
-	UNIMPLEMENTED;
-	return FALSE;
+    if (SuiteType == Personal) return TRUE;
+    return FALSE;
 }
 
 /* EOF */
diff --git a/reactos/ntoskrnl/ke/catch.c b/reactos/ntoskrnl/ke/catch.c
index 575be795d89..3423446dc67 100644
--- a/reactos/ntoskrnl/ke/catch.c
+++ b/reactos/ntoskrnl/ke/catch.c
@@ -16,7 +16,7 @@
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-/* $Id: catch.c,v 1.48 2004/08/21 21:19:06 tamlin Exp $
+/* $Id: catch.c,v 1.49 2004/10/12 00:56:46 ion Exp $
  *
  * PROJECT:              ReactOS kernel
  * FILE:                 ntoskrnl/ke/catch.c
@@ -208,17 +208,29 @@ ExRaiseStatus (IN NTSTATUS Status)
 }
 
 
+
 /*
- * @unimplemented
+ * @implemented
  */
 VOID
 STDCALL
 ExRaiseException (
-	PEXCEPTION_RECORD pExcptRec
+	PEXCEPTION_RECORD ExceptionRecord
 	)
 {
-	UNIMPLEMENTED;
+    RtlRaiseException(ExceptionRecord);
 }
+
+/*
+ * @implemented
+ */
+BOOLEAN
+STDCALL
+ExSystemExceptionFilter()
+{
+ 	return KeGetPreviousMode() != KernelMode ? EXCEPTION_EXECUTE_HANDLER : EXCEPTION_CONTINUE_SEARCH;
+}
+
 /*
  * @unimplemented
  */
@@ -236,18 +248,6 @@ ExRaiseHardError (
 	UNIMPLEMENTED;
 }
 
-
-/*
- * @unimplemented
- */
-BOOLEAN
-STDCALL
-ExSystemExceptionFilter()
-{
-	UNIMPLEMENTED;
-	return FALSE;
-}
-
 /*
  * @unimplemented
  */