Changeset 850 in vbox for trunk

Timestamp:

Feb 12, 2007 5:30:30 PM (18 years ago)

Author:

vboxsync

Message:

Missing case where we should check that the guest RAM was indeed allocated.

File:

• trunk/src/VBox/VMM/VMMAll/PGMAllBth.h (modified) (1 diff)

trunk/src/VBox/VMM/VMMAll/PGMAllBth.h

@@ -1954 +1954 @@
                         RTHCPHYS    HCPhys = pRam->aHCPhys[iHCPage];
                         SHWPTE      PteDst;
+
+                        /* Make sure the RAM has already been allocated. */
+                        if (pRam->fFlags & MM_RAM_FLAGS_DYNAMIC_ALLOC)
+                        {
+                            if (RT_UNLIKELY(!(pRam->aHCPhys[iHCPage] & X86_PTE_PAE_PG_MASK)))
+                            {
+#ifdef IN_RING3
+                                int rc = pgmr3PhysGrowRange(pVM, GCPhys);
+#else
+                                int rc = CTXALLMID(VMM, CallHost)(pVM, VMMCALLHOST_PGM_RAM_GROW_RANGE, GCPhys);
+#endif
+                                if (rc != VINF_SUCCESS)
+                                    return rc;
+                            }
+                        }
+
                         if (HCPhys & (MM_RAM_FLAGS_PHYSICAL_ALL | MM_RAM_FLAGS_VIRTUAL_ALL | MM_RAM_FLAGS_PHYSICAL_WRITE | MM_RAM_FLAGS_VIRTUAL_WRITE))
                         {