- Set the pde's for the kernel stack at thread creation time and not at any task switch.

svn path=/trunk/; revision=10604

reactos/ntoskrnl/ke/i386/tskswitch.S

@@ -145,23 +145,6 @@ _Ki386ContextSwitch:
 	movl	KPROCESS_DIRECTORY_TABLE_BASE(%ebx), %eax
 	movl	%eax, %cr3
 
-	/*
-	 * Set up the PDE for the top of the new stack.
-	 */
-	movl	$0, %ebx
-.L2:	movl	%edi, %esi
-	shr	$22, %esi
-	movl	0xF03C0000(,%esi, 4), %eax
-	cmpl	$0, %eax
-	jne	.L1
-	movl	_MmGlobalKernelPageDirectory(,%esi, 4), %eax
-	movl	%eax, 0xF03C0000(,%esi, 4)
-.L1:
-	addl	$4096, %edi
-	incl	%ebx
-	cmp	$(MM_STACK_SIZE / 4096), %ebx
-	jl	.L2
-		
 	/*
 	 * FIXME: Restore floating point state
 	 */

reactos/ntoskrnl/ke/kthread.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: kthread.c,v 1.49 2004/08/15 16:39:05 chorns Exp $
+/* $Id: kthread.c,v 1.50 2004/08/19 21:51:06 hbirr Exp $
  *
  * FILE:            ntoskrnl/ke/kthread.c
  * PURPOSE:         Microkernel thread support
@@ -189,6 +189,8 @@ KeInitializeThread(PKPROCESS Process, PKTHREAD Thread, BOOLEAN First)
       Thread->KernelStack = (PVOID)&init_stack_top;
     }
   
+  MmUpdatePageDir((PEPROCESS)Process, (PVOID)Thread->StackLimit, MM_STACK_SIZE);
+
   /* 
    * The Native API function will initialize the TEB field later 
    */