Changeset 19175 in vbox for trunk

Timestamp:

Apr 24, 2009 5:23:10 PM (16 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

46484

Message:

Paranoia

File:

• trunk/src/VBox/VMM/VMMAll/PGMAllMap.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMAll/PGMAllMap.cpp

@@ -401 +401 @@
     if (    PGMGetGuestMode(pVCpu) >= PGMMODE_PAE
         &&  pShwPageCR3 != pVCpu->pgm.s.CTX_SUFF(pShwPageCR3))
+    {
         pCurrentShwPdpt = pgmShwGetPaePDPTPtr(&pVCpu->pgm.s);
+#ifdef IN_RC    /* Lock mapping to prevent it from being reused (currently not possible). */
+        if (pCurrentShwPdpt)
+            PGMDynLockHCPage(pVM, (uint8_t *)pCurrentShwPdpt);
+#endif
+    }
 
     unsigned i = pMap->cPTs;
@@ -491 +497 @@
                 break;
         }
+#ifdef IN_RC
+        /* Unlock dynamic mappings again. */
+        if (pCurrentShwPdpt)
+            PGMDynUnlockHCPage(pVM, (uint8_t *)pCurrentShwPdpt);
+#endif
     }
 }