disable regular kmode apc's around Resource locks

svn path=/trunk/; revision=6805

reactos/ntoskrnl/cm/import.c

@@ -1,4 +1,4 @@
-/* $Id: import.c,v 1.24 2003/10/16 14:48:22 ekohl Exp $
+/* $Id: import.c,v 1.25 2003/11/27 00:48:11 gdalsnes Exp $
  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS kernel
@@ -143,6 +143,7 @@ CmImportBinaryHive (PCHAR ChunkBase,
   ExInitializeResourceLite(&Hive->HiveResource);
 
   /* Acquire hive list lock exclusively */
+  KeEnterCriticalRegion();
   ExAcquireResourceExclusiveLite(&CmiHiveListLock, TRUE);
 
   /* Add the new hive to the hive list */
@@ -150,6 +151,7 @@ CmImportBinaryHive (PCHAR ChunkBase,
 
   /* Release hive list lock */
   ExReleaseResourceLite(&CmiHiveListLock);
+  KeLeaveCriticalRegion();
 
   *RegistryHive = Hive;
 

reactos/ntoskrnl/cm/ntfunc.c

@@ -140,6 +140,7 @@ NtCreateKey(OUT PHANDLE KeyHandle,
   KeyObject->SubKeys = NULL;
 
   /* Acquire hive lock */
+  KeEnterCriticalRegion();
   ExAcquireResourceExclusiveLite(&KeyObject->RegistryHive->HiveResource, TRUE);
 
   /* add key to subkeys of parent if needed */
@@ -155,6 +156,7 @@ NtCreateKey(OUT PHANDLE KeyHandle,
       DPRINT("CmiAddSubKey() failed (Status %lx)\n", Status);
       /* Release hive lock */
       ExReleaseResourceLite(&KeyObject->RegistryHive->HiveResource);
+      KeLeaveCriticalRegion();
       ObDereferenceObject(KeyObject);
       ObDereferenceObject(Object);
       return STATUS_UNSUCCESSFUL;
@@ -186,6 +188,7 @@ NtCreateKey(OUT PHANDLE KeyHandle,
 
   /* Release hive lock */
   ExReleaseResourceLite(&KeyObject->RegistryHive->HiveResource);
+  KeLeaveCriticalRegion();
 
   ObDereferenceObject(KeyObject);
   ObDereferenceObject(Object);
@@ -220,6 +223,7 @@ NtDeleteKey(IN HANDLE KeyHandle)
     }
 
   /* Acquire hive lock */
+  KeEnterCriticalRegion();
   ExAcquireResourceExclusiveLite(&KeyObject->RegistryHive->HiveResource, TRUE);
 
   VERIFY_KEY_OBJECT(KeyObject);
@@ -238,6 +242,7 @@ NtDeleteKey(IN HANDLE KeyHandle)
 
   /* Release hive lock */
   ExReleaseResourceLite(&KeyObject->RegistryHive->HiveResource);
+  KeLeaveCriticalRegion();
 
   DPRINT("PointerCount %lu\n", ObGetObjectPointerCount((PVOID)KeyObject));
 
@@ -300,6 +305,7 @@ NtEnumerateKey(IN HANDLE KeyHandle,
     }
 
   /* Acquire hive lock */
+  KeEnterCriticalRegion();
   ExAcquireResourceSharedLite(&KeyObject->RegistryHive->HiveResource, TRUE);
 
   VERIFY_KEY_OBJECT(KeyObject);
@@ -314,6 +320,7 @@ NtEnumerateKey(IN HANDLE KeyHandle,
       if (RegistryHive == CmiVolatileHive)
 	{
 	  ExReleaseResourceLite(&KeyObject->RegistryHive->HiveResource);
+    KeLeaveCriticalRegion();
 	  ObDereferenceObject(KeyObject);
 	  DPRINT("No more volatile entries\n");
 	  return(STATUS_NO_MORE_ENTRIES);
@@ -336,6 +343,7 @@ NtEnumerateKey(IN HANDLE KeyHandle,
 	  if (Index >= KeyCell->NumberOfSubKeys)
 	    {
 	      ExReleaseResourceLite(&KeyObject->RegistryHive->HiveResource);
+        KeLeaveCriticalRegion();
 	      ObDereferenceObject(KeyObject);
 	      DPRINT("No more non-volatile entries\n");
 	      return(STATUS_NO_MORE_ENTRIES);
@@ -348,6 +356,7 @@ NtEnumerateKey(IN HANDLE KeyHandle,
       if (KeyCell->HashTableOffset == (BLOCK_OFFSET)-1)
 	{
 	  ExReleaseResourceLite(&KeyObject->RegistryHive->HiveResource);
+    KeLeaveCriticalRegion();
 	  ObDereferenceObject(KeyObject);
 	  return(STATUS_NO_MORE_ENTRIES);
 	}
@@ -357,6 +366,7 @@ NtEnumerateKey(IN HANDLE KeyHandle,
 	{
 	  DPRINT("CmiGetBlock() failed\n");
 	  ExReleaseResourceLite(&KeyObject->RegistryHive->HiveResource);
+    KeLeaveCriticalRegion();
 	  ObDereferenceObject(KeyObject);
 	  return STATUS_UNSUCCESSFUL;
 	}
@@ -368,6 +378,7 @@ NtEnumerateKey(IN HANDLE KeyHandle,
   if (SubKeyCell == NULL)
     {
       ExReleaseResourceLite(&KeyObject->RegistryHive->HiveResource);
+      KeLeaveCriticalRegion();
       ObDereferenceObject(KeyObject);
       DPRINT("No more entries\n");
       return(STATUS_NO_MORE_ENTRIES);
@@ -511,6 +522,7 @@ NtEnumerateKey(IN HANDLE KeyHandle,
     }
 
   ExReleaseResourceLite(&KeyObject->RegistryHive->HiveResource);
+  KeLeaveCriticalRegion();
   ObDereferenceObject(KeyObject);
 
   DPRINT("Returning status %x\n", Status);
@@ -560,6 +572,7 @@ NtEnumerateValueKey(IN HANDLE KeyHandle,
     }
 
   /* Acquire hive lock */
+  KeEnterCriticalRegion();
   ExAcquireResourceSharedLite(&KeyObject->RegistryHive->HiveResource, TRUE);
 
   VERIFY_KEY_OBJECT(KeyObject);
@@ -577,6 +590,7 @@ NtEnumerateValueKey(IN HANDLE KeyHandle,
   if (!NT_SUCCESS(Status))
     {
       ExReleaseResourceLite(&KeyObject->RegistryHive->HiveResource);
+      KeLeaveCriticalRegion();
       ObDereferenceObject(KeyObject);
       return Status;
     }
@@ -714,6 +728,7 @@ NtEnumerateValueKey(IN HANDLE KeyHandle,
     }
 
   ExReleaseResourceLite(&KeyObject->RegistryHive->HiveResource);
+  KeLeaveCriticalRegion();
   ObDereferenceObject(KeyObject);
 
   return Status;
@@ -746,6 +761,7 @@ NtFlushKey(IN HANDLE KeyHandle)
   RegistryHive = KeyObject->RegistryHive;
 
   /* Acquire hive lock */
+  KeEnterCriticalRegion();
   ExAcquireResourceExclusiveLite(&RegistryHive->HiveResource,
 				 TRUE);
 
@@ -760,6 +776,7 @@ NtFlushKey(IN HANDLE KeyHandle)
     }
 
   ExReleaseResourceLite(&RegistryHive->HiveResource);
+  KeLeaveCriticalRegion();
 
   ObDereferenceObject(KeyObject);
 
@@ -861,6 +878,7 @@ NtQueryKey(IN HANDLE KeyHandle,
     }
 
   /* Acquire hive lock */
+  KeEnterCriticalRegion();
   ExAcquireResourceSharedLite(&KeyObject->RegistryHive->HiveResource, TRUE);
 
   VERIFY_KEY_OBJECT(KeyObject);
@@ -994,6 +1012,7 @@ NtQueryKey(IN HANDLE KeyHandle,
     }
 
   ExReleaseResourceLite(&KeyObject->RegistryHive->HiveResource);
+  KeLeaveCriticalRegion();
   ObDereferenceObject(KeyObject);
 
   return(Status);
@@ -1037,6 +1056,7 @@ NtQueryValueKey(IN HANDLE KeyHandle,
     }
 
   /* Acquire hive lock */
+  KeEnterCriticalRegion();
   ExAcquireResourceSharedLite(&KeyObject->RegistryHive->HiveResource, TRUE);
 
   VERIFY_KEY_OBJECT(KeyObject);
@@ -1055,6 +1075,7 @@ NtQueryValueKey(IN HANDLE KeyHandle,
     {
       DPRINT("CmiScanKeyForValue() failed with status %x\n", Status);
       ExReleaseResourceLite(&KeyObject->RegistryHive->HiveResource);
+      KeLeaveCriticalRegion();
       ObDereferenceObject(KeyObject);
       return(Status);
     }
@@ -1190,6 +1211,7 @@ NtQueryValueKey(IN HANDLE KeyHandle,
     }
 
   ExReleaseResourceLite(&KeyObject->RegistryHive->HiveResource);
+  KeLeaveCriticalRegion();
   ObDereferenceObject(KeyObject);
 
   return Status;
@@ -1233,6 +1255,7 @@ NtSetValueKey(IN HANDLE KeyHandle,
     return(Status);
 
   /* Acquire hive lock exclucively */
+  KeEnterCriticalRegion();
   ExAcquireResourceExclusiveLite(&KeyObject->RegistryHive->HiveResource, TRUE);
 
   VERIFY_KEY_OBJECT(KeyObject);
@@ -1250,6 +1273,7 @@ NtSetValueKey(IN HANDLE KeyHandle,
       DPRINT("Value not found. Status 0x%X\n", Status);
 
       ExReleaseResourceLite(&KeyObject->RegistryHive->HiveResource);
+      KeLeaveCriticalRegion();
       ObDereferenceObject(KeyObject);
       return(Status);
     }
@@ -1273,6 +1297,7 @@ NtSetValueKey(IN HANDLE KeyHandle,
       DPRINT("Cannot add value. Status 0x%X\n", Status);
 
       ExReleaseResourceLite(&KeyObject->RegistryHive->HiveResource);
+      KeLeaveCriticalRegion();      
       ObDereferenceObject(KeyObject);
       return(Status);
     }
@@ -1337,6 +1362,7 @@ NtSetValueKey(IN HANDLE KeyHandle,
 	  DPRINT("CmiAllocateBlock() failed (Status %lx)\n", Status);
 
 	  ExReleaseResourceLite(&KeyObject->RegistryHive->HiveResource);
+    KeLeaveCriticalRegion();
 	  ObDereferenceObject(KeyObject);
 
 	  return(Status);
@@ -1361,6 +1387,7 @@ NtSetValueKey(IN HANDLE KeyHandle,
   CmiMarkBlockDirty (RegistryHive, KeyObject->KeyCellOffset);
 
   ExReleaseResourceLite(&KeyObject->RegistryHive->HiveResource);
+  KeLeaveCriticalRegion();
   ObDereferenceObject(KeyObject);
 
   CmiSyncHives();
@@ -1391,6 +1418,7 @@ NtDeleteValueKey (IN HANDLE KeyHandle,
     }
 
   /* Acquire hive lock */
+  KeEnterCriticalRegion();
   ExAcquireResourceExclusiveLite(&KeyObject->RegistryHive->HiveResource, TRUE);
 
   VERIFY_KEY_OBJECT(KeyObject);
@@ -1405,6 +1433,7 @@ NtDeleteValueKey (IN HANDLE KeyHandle,
 
   /* Release hive lock */
   ExReleaseResourceLite (&KeyObject->RegistryHive->HiveResource);
+  KeLeaveCriticalRegion();
 
   ObDereferenceObject (KeyObject);
 
@@ -1591,6 +1620,7 @@ NtQueryMultipleValueKey (IN HANDLE KeyHandle,
     }
 
   /* Acquire hive lock */
+  KeEnterCriticalRegion();
   ExAcquireResourceSharedLite(&KeyObject->RegistryHive->HiveResource, TRUE);
 
   VERIFY_KEY_OBJECT(KeyObject);
@@ -1666,6 +1696,7 @@ NtQueryMultipleValueKey (IN HANDLE KeyHandle,
 
   /* Release hive lock */
   ExReleaseResourceLite(&KeyObject->RegistryHive->HiveResource);
+  KeLeaveCriticalRegion();
 
   ObDereferenceObject(KeyObject);
 
@@ -1723,6 +1754,7 @@ NtSaveKey (IN HANDLE KeyHandle,
     }
 
   /* Acquire hive lock exclucively */
+  KeEnterCriticalRegion();
   ExAcquireResourceExclusiveLite (&KeyObject->RegistryHive->HiveResource,
 				  TRUE);
 
@@ -1731,6 +1763,7 @@ NtSaveKey (IN HANDLE KeyHandle,
     {
       DPRINT1 ("Cannot save a volatile key\n");
       ExReleaseResourceLite (&KeyObject->RegistryHive->HiveResource);
+      KeLeaveCriticalRegion();
       ObDereferenceObject (KeyObject);
       return STATUS_ACCESS_DENIED;
     }
@@ -1740,6 +1773,7 @@ NtSaveKey (IN HANDLE KeyHandle,
     {
       DPRINT1 ("CmiCreateTempHive() failed (Status %lx)\n", Status);
       ExReleaseResourceLite (&KeyObject->RegistryHive->HiveResource);
+      KeLeaveCriticalRegion();
       ObDereferenceObject (KeyObject);
       return(Status);
     }
@@ -1753,6 +1787,7 @@ NtSaveKey (IN HANDLE KeyHandle,
       DPRINT1 ("CmiCopyKey() failed (Status %lx)\n", Status);
       CmiRemoveRegistryHive (TempHive);
       ExReleaseResourceLite (&KeyObject->RegistryHive->HiveResource);
+      KeLeaveCriticalRegion();
       ObDereferenceObject (KeyObject);
       return(Status);
     }
@@ -1768,6 +1803,7 @@ NtSaveKey (IN HANDLE KeyHandle,
 
   /* Release hive lock */
   ExReleaseResourceLite(&KeyObject->RegistryHive->HiveResource);
+  KeLeaveCriticalRegion();
 
   ObDereferenceObject (KeyObject);
 
@@ -1806,6 +1842,7 @@ NtSetInformationKey (IN HANDLE KeyHandle,
     }
 
   /* Acquire hive lock */
+  KeEnterCriticalRegion();
   ExAcquireResourceExclusiveLite (&KeyObject->RegistryHive->HiveResource, TRUE);
 
   VERIFY_KEY_OBJECT(KeyObject);
@@ -1818,6 +1855,7 @@ NtSetInformationKey (IN HANDLE KeyHandle,
 
   /* Release hive lock */
   ExReleaseResourceLite (&KeyObject->RegistryHive->HiveResource);
+  KeLeaveCriticalRegion();
 
   ObDereferenceObject (KeyObject);
 
@@ -1858,6 +1896,7 @@ NtUnloadKey (IN POBJECT_ATTRIBUTES KeyObjectAttributes)
   DPRINT ("RegistryHive %p\n", RegistryHive);
 
   /* Acquire hive list lock exclusively */
+  KeEnterCriticalRegion();
   ExAcquireResourceExclusiveLite (&CmiHiveListLock,
 				  TRUE);
 
@@ -1869,6 +1908,7 @@ NtUnloadKey (IN POBJECT_ATTRIBUTES KeyObjectAttributes)
 
   /* Release hive list lock */
   ExReleaseResourceLite (&CmiHiveListLock);
+  KeLeaveCriticalRegion();
 
   CmiRemoveRegistryHive (RegistryHive);
 

reactos/ntoskrnl/cm/regfile.c

@@ -1091,6 +1091,7 @@ CmiCreateVolatileHive(PREGISTRY_HIVE *RegistryHive)
   ExInitializeResourceLite (&Hive->HiveResource);
 
   /* Acquire hive list lock exclusively */
+  KeEnterCriticalRegion();
   ExAcquireResourceExclusiveLite (&CmiHiveListLock,
 				  TRUE);
 
@@ -1100,6 +1101,7 @@ CmiCreateVolatileHive(PREGISTRY_HIVE *RegistryHive)
 
   /* Release hive list lock */
   ExReleaseResourceLite (&CmiHiveListLock);
+  KeLeaveCriticalRegion();
 
   VERIFY_REGISTRY_HIVE (Hive);
 
@@ -1213,6 +1215,7 @@ CmiCreateTempHive(PREGISTRY_HIVE *RegistryHive)
   ExInitializeResourceLite (&Hive->HiveResource);
 
   /* Acquire hive list lock exclusively */
+  KeEnterCriticalRegion();
   ExAcquireResourceExclusiveLite (&CmiHiveListLock,
 				  TRUE);
 
@@ -1222,6 +1225,7 @@ CmiCreateTempHive(PREGISTRY_HIVE *RegistryHive)
 
   /* Release hive list lock */
   ExReleaseResourceLite (&CmiHiveListLock);
+  KeLeaveCriticalRegion();
 
   VERIFY_REGISTRY_HIVE (Hive);
 
@@ -1279,11 +1283,13 @@ CmiLoadHive(IN POBJECT_ATTRIBUTES KeyObjectAttributes,
   ExInitializeResourceLite (&Hive->HiveResource);
 
   /* Add the new hive to the hive list */
+  KeEnterCriticalRegion();
   ExAcquireResourceExclusiveLite (&CmiHiveListLock,
 				  TRUE);
   InsertTailList (&CmiHiveListHead,
 		  &Hive->HiveList);
   ExReleaseResourceLite (&CmiHiveListLock);
+  KeLeaveCriticalRegion();
 
 
   VERIFY_REGISTRY_HIVE(Hive);
@@ -1310,6 +1316,7 @@ CmiRemoveRegistryHive(PREGISTRY_HIVE RegistryHive)
     return STATUS_UNSUCCESSFUL;
 
   /* Acquire hive list lock exclusively */
+  KeEnterCriticalRegion();
   ExAcquireResourceExclusiveLite (&CmiHiveListLock,
 				  TRUE);
 
@@ -1318,6 +1325,7 @@ CmiRemoveRegistryHive(PREGISTRY_HIVE RegistryHive)
 
   /* Release hive list lock */
   ExReleaseResourceLite (&CmiHiveListLock);
+  KeLeaveCriticalRegion();
 
   /* Release file names */
   RtlFreeUnicodeString (&RegistryHive->HiveFileName);

reactos/ntoskrnl/cm/registry.c

@@ -1,4 +1,4 @@
-/* $Id: registry.c,v 1.114 2003/11/17 02:12:50 hyperion Exp $
+/* $Id: registry.c,v 1.115 2003/11/27 00:48:11 gdalsnes Exp $
  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS kernel
@@ -988,6 +988,7 @@ CmShutdownRegistry(VOID)
     }
 
   /* Acquire hive list lock exclusively */
+  KeEnterCriticalRegion();
   ExAcquireResourceExclusiveLite(&CmiHiveListLock, TRUE);
 
   Entry = CmiHiveListHead.Flink;
@@ -1013,6 +1014,7 @@ CmShutdownRegistry(VOID)
 
   /* Release hive list lock */
   ExReleaseResourceLite(&CmiHiveListLock);
+  KeLeaveCriticalRegion();
 
   DPRINT1("CmShutdownRegistry() done\n");
 }
@@ -1029,6 +1031,7 @@ CmiHiveSyncRoutine(PVOID DeferredContext)
   CmiHiveSyncPending = FALSE;
 
   /* Acquire hive list lock exclusively */
+  KeEnterCriticalRegion();
   ExAcquireResourceExclusiveLite(&CmiHiveListLock, TRUE);
 
   Entry = CmiHiveListHead.Flink;
@@ -1054,6 +1057,7 @@ CmiHiveSyncRoutine(PVOID DeferredContext)
 
   /* Release hive list lock */
   ExReleaseResourceLite(&CmiHiveListLock);
+  KeLeaveCriticalRegion();
 
   DPRINT("DeferredContext %x\n", DeferredContext);
   ExFreePool(DeferredContext);

reactos/ntoskrnl/io/fs.c

@@ -1,4 +1,4 @@
-/* $Id: fs.c,v 1.38 2003/11/09 19:04:54 ekohl Exp $
+/* $Id: fs.c,v 1.39 2003/11/27 00:50:05 gdalsnes Exp $
  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS kernel
@@ -183,6 +183,7 @@ IoShutdownRegisteredFileSystems(VOID)
 
   DPRINT("IoShutdownRegisteredFileSystems()\n");
 
+  KeEnterCriticalRegion();
   ExAcquireResourceSharedLite(&FileSystemListLock,TRUE);
   KeInitializeEvent(&Event,
 		    NotificationEvent,
@@ -216,6 +217,7 @@ IoShutdownRegisteredFileSystems(VOID)
     }
 
   ExReleaseResourceLite(&FileSystemListLock);
+  KeLeaveCriticalRegion();
 }
 
 
@@ -360,6 +362,7 @@ IoMountVolume(IN PDEVICE_OBJECT DeviceObject,
 	return(STATUS_UNRECOGNIZED_VOLUME);
     }
 
+  KeEnterCriticalRegion();
   ExAcquireResourceSharedLite(&FileSystemListLock,TRUE);
   current_entry = FileSystemListHead.Flink;
   while (current_entry!=(&FileSystemListHead))
@@ -389,6 +392,7 @@ IoMountVolume(IN PDEVICE_OBJECT DeviceObject,
 	    Status = IopLoadFileSystem(DevObject);
 	    if (!NT_SUCCESS(Status))
 	      {
+          KeLeaveCriticalRegion();
 		return(Status);
 	      }
             ExAcquireResourceSharedLite(&FileSystemListLock,TRUE);
@@ -399,6 +403,7 @@ IoMountVolume(IN PDEVICE_OBJECT DeviceObject,
 	    DeviceObject->Vpb->Flags = DeviceObject->Vpb->Flags |
 	                               VPB_MOUNTED;
 	    ExReleaseResourceLite(&FileSystemListLock);
+      KeLeaveCriticalRegion();
 	    return(STATUS_SUCCESS);
 
 	  case STATUS_UNRECOGNIZED_VOLUME:
@@ -407,6 +412,7 @@ IoMountVolume(IN PDEVICE_OBJECT DeviceObject,
 	}
     }
   ExReleaseResourceLite(&FileSystemListLock);
+  KeLeaveCriticalRegion();
 
   return(STATUS_UNRECOGNIZED_VOLUME);
 }
@@ -575,6 +581,7 @@ IoRegisterFileSystem(IN PDEVICE_OBJECT DeviceObject)
   assert(Fs!=NULL);
 
   Fs->DeviceObject = DeviceObject;
+  KeEnterCriticalRegion();
   ExAcquireResourceExclusiveLite(&FileSystemListLock, TRUE);
 
   /* The RAW filesystem device objects must be last in the list so the
@@ -586,6 +593,7 @@ IoRegisterFileSystem(IN PDEVICE_OBJECT DeviceObject)
 		 &Fs->Entry);
 
   ExReleaseResourceLite(&FileSystemListLock);
+  KeLeaveCriticalRegion();
 
   IopNotifyFileSystemChange(DeviceObject,
 			    TRUE);
@@ -603,6 +611,7 @@ IoUnregisterFileSystem(IN PDEVICE_OBJECT DeviceObject)
 
   DPRINT("IoUnregisterFileSystem(DeviceObject %x)\n",DeviceObject);
 
+  KeEnterCriticalRegion();
   ExAcquireResourceExclusiveLite(&FileSystemListLock, TRUE);
   current_entry = FileSystemListHead.Flink;
   while (current_entry!=(&FileSystemListHead))
@@ -613,12 +622,14 @@ IoUnregisterFileSystem(IN PDEVICE_OBJECT DeviceObject)
 	  RemoveEntryList(current_entry);
 	  ExFreePool(current);
 	  ExReleaseResourceLite(&FileSystemListLock);
+    KeLeaveCriticalRegion();
 	  IopNotifyFileSystemChange(DeviceObject, FALSE);
 	  return;
 	}
       current_entry = current_entry->Flink;
     }
   ExReleaseResourceLite(&FileSystemListLock);
+  KeLeaveCriticalRegion();
 }
 
 

reactos/ntoskrnl/io/rawfs.c

@@ -1,4 +1,4 @@
-/* $Id: rawfs.c,v 1.6 2003/07/21 21:53:51 royce Exp $
+/* $Id: rawfs.c,v 1.7 2003/11/27 00:50:22 gdalsnes Exp $
  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS kernel
@@ -640,9 +640,11 @@ RawFsMount(IN PRAWFS_IRP_CONTEXT IrpContext)
   VolumeFcb->RFCB.AllocationSize.QuadPart = VolumeFcb->RFCB.FileSize.QuadPart;
   DeviceExt->VolumeFcb = VolumeFcb;
 
+  KeEnterCriticalRegion();
   ExAcquireResourceExclusiveLite(&GlobalData->VolumeListLock, TRUE);
   InsertHeadList(&GlobalData->VolumeListHead, &DeviceExt->VolumeListEntry);
   ExReleaseResourceLite(&GlobalData->VolumeListLock);
+  KeLeaveCriticalRegion();
 
   /* No serial number */
   DeviceObject->Vpb->SerialNumber = 0;

reactos/subsys/win32k/ntuser/winlock.c

@@ -96,17 +96,20 @@ VOID FASTCALL IntRestoreWinLock(WINLOCK_TYPE Type)
 
 inline VOID IntAcquireWinLockShared()
 {
+  KeEnterCriticalRegion();
   ExAcquireResourceSharedLite(&WinLock, TRUE /*Wait*/ );
 }
 
 inline VOID IntAcquireWinLockExclusive()
 {
+  KeEnterCriticalRegion();
   ExAcquireResourceExclusiveLite(&WinLock, TRUE /*Wait*/  );
 }
 
 inline VOID IntReleaseWinLock()
 {
   ExReleaseResourceLite(&WinLock ); 
+  KeLeaveCriticalRegion();
 }
 
 inline BOOL IntInitializeWinLock()

reactos/subsys/win32k/objects/semaphor.c

@@ -38,6 +38,7 @@ EngAcquireSemaphore ( IN HSEMAPHORE hsem )
 {
   // www.osr.com/ddk/graphics/gdifncs_14br.htm
   ASSERT(hsem);
+  KeEnterCriticalRegion();
   ExAcquireResourceExclusiveLite ( (PERESOURCE)hsem, TRUE );
 }
 
@@ -51,6 +52,7 @@ EngReleaseSemaphore ( IN HSEMAPHORE hsem )
   // www.osr.com/ddk/graphics/gdifncs_5u3r.htm
   ASSERT(hsem);
   ExReleaseResourceLite ( (PERESOURCE)hsem );
+  KeLeaveCriticalRegion();
 }
 
 /*