Changeset 20566 in vbox for trunk/src/VBox/VMM/VMM.cpp

Timestamp:

Jun 14, 2009 8:24:43 PM (15 years ago)

Author:

vboxsync

Message:

VMM.cpp: Fixed VBOX_STRICT_VMM_STACK bustage - was messing with the wrong pages :(. (debug and strict builds only)

File:

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

trunk/src/VBox/VMM/VMM.cpp

@@ -234 +234 @@
 
 #ifdef VBOX_STRICT_VMM_STACK
-        rc = MMR3HyperAllocOnceNoRel(pVM, VMM_STACK_SIZE + PAGE_SIZE + PAGE_SIZE, PAGE_SIZE, MM_TAG_VMM, (void **)&pVCpu->vmm.s.pbEMTStackR3);
+        rc = MMR3HyperAllocOnceNoRel(pVM, PAGE_SIZE + VMM_STACK_SIZE + PAGE_SIZE, PAGE_SIZE, MM_TAG_VMM, (void **)&pVCpu->vmm.s.pbEMTStackR3);
 #else
         rc = MMR3HyperAllocOnceNoRel(pVM, VMM_STACK_SIZE, PAGE_SIZE, MM_TAG_VMM, (void **)&pVCpu->vmm.s.pbEMTStackR3);
@@ -240 +240 @@
         if (RT_SUCCESS(rc))
         {
+#ifdef VBOX_STRICT_VMM_STACK
+            pVCpu->vmm.s.pbEMTStackR3 += PAGE_SIZE;
+#endif
 #ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
             /* MMHyperR3ToR0 returns R3 when not doing hardware assisted virtualization. */