[tkreuzer] 62217: [NTOSKRNL] Improve MiRemoveMappedPtes to be able to unmap session mapped views.

Author: tkreuzer
Date: Sun Feb 16 13:56:36 2014
New Revision: 62217

URL: http://svn.reactos.org/svn/reactos?rev=62217&view=rev
Log:
[NTOSKRNL]
Improve MiRemoveMappedPtes to be able to unmap session mapped views.

Modified:
    trunk/reactos/ntoskrnl/mm/ARM3/section.c

Modified: trunk/reactos/ntoskrnl/mm/ARM3/section.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/mm/ARM3/section.c?...
==============================================================================
--- trunk/reactos/ntoskrnl/mm/ARM3/section.c	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/mm/ARM3/section.c	[iso-8859-1] Sun Feb 16 13:56:36 2014
@@ -2118,12 +2118,14 @@
                    IN PCONTROL_AREA ControlArea,
                    IN PMMSUPPORT Ws)
 {
-    PMMPTE PointerPte;//, FirstPte;
+    PMMPTE PointerPte, ProtoPte;//, FirstPte;
     PMMPDE PointerPde, SystemMapPde;
     PMMPFN Pfn1, Pfn2;
     MMPTE PteContents;
     KIRQL OldIrql;
     DPRINT("Removing mapped view at: 0x%p\n", BaseAddress);
+
+    ASSERT(Ws == NULL);

/* Get the PTE and loop each one */
     PointerPte = MiAddressToPte(BaseAddress);
@@ -2175,8 +2177,15 @@
             /* Windows ASSERT */
             ASSERT((PteContents.u.Long == 0) || (PteContents.u.Soft.Prototype == 1));

-            /* But not handled in ARM3 */
-            ASSERT(PteContents.u.Soft.Prototype == 0);
+            /* Check if this is a prototype pointer PTE */
+            if (PteContents.u.Soft.Prototype == 1)
+            {
+                /* Get the prototype PTE */
+                ProtoPte = MiProtoPteToPte(&PteContents);
+
+                /* We don't support anything else atm */
+                ASSERT(ProtoPte->u.Long == 0);
+            }
         }

/* Make the PTE into a zero PTE */