Don't save and restore previous mode in trap handlers. This allows us to call KeGetPreviousMode() from exception handlers and get the right value.

Modified: trunk/reactos/ntoskrnl/ke/i386/trap.s

--- trunk/reactos/ntoskrnl/ke/i386/trap.s	2005-08-05 17:28:17 UTC (rev 17073)
+++ trunk/reactos/ntoskrnl/ke/i386/trap.s	2005-08-05 18:26:43 UTC (rev 17074)
@@ -45,13 +45,8 @@

 	popl	%edx
 	popl	%ecx
 	popl	%eax

-
-	/* Restore the old previous mode */

 	popl	%ebx

-	cmpl	$0, %esi
-	je	.L7
-	movb	%bl, %ss:KTHREAD_PREVIOUS_MODE(%esi)
-.L7:

+

 	/* Restore the old exception handler list */
 	popl	%ebx
 	movl	%ebx, %fs:KPCR_EXCEPTION_LIST
@@ -140,13 +135,6 @@

         /* Set the new previous mode based on the saved CS selector */
 	movl	 KTRAP_FRAME_CS(%ebp), %eax
 	andl     $0x0000FFFF, %eax

-	cmpl     $KERNEL_CS, %eax
-	jne      .L1
-	movb     $KernelMode, KTHREAD_PREVIOUS_MODE(%edi)
-	jmp      .L3
-.L1:
-	movb     $UserMode, KTHREAD_PREVIOUS_MODE(%edi)
-.L3:

 
 	/* Save the old trap frame. */
 	movl	KTHREAD_TRAP_FRAME(%edi), %edx