Changeset 96880 in vbox for trunk

Timestamp:

Sep 26, 2022 5:44:29 PM (2 years ago)

Author:

vboxsync

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

153787

Message:

VMM/HMVMXR0: Nested VMX: bugref:10092 Nested EPT shadow page-pool handling.

File:

• trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp (modified) (3 diffs)

trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp

@@ -6016 +6016 @@
         RTGCPHYS const GCPhysApicAccess = pVmcsNstGst->u64AddrApicAccess.u;
 
+        /* Disabling this since we adjust the shadow page table permissions in (SyncHandlerPte). */
+#if 0
         /** @todo NSTVMX: This is not really correct but currently is required to make
          *        things work. We need to re-enable the page handler when we fallback to
          *        IEM execution of the nested-guest! */
         PGMHandlerPhysicalPageTempOff(pVM, GCPhysApicAccess, GCPhysApicAccess);
+#endif
 
         void          *pvPage;
@@ -6940 +6943 @@
         }
 
+        /* Disabling this since we adjust the shadow page table permissions in (SyncHandlerPte). */
+#if 0
         /*
          * Undo temporary disabling of the APIC-access page monitoring we did in hmR0VmxMergeVmcsNested.
@@ -6950 +6955 @@
             PGMHandlerPhysicalReset(pVCpu->CTX_SUFF(pVM), GCPhysApicAccess);
         }
+#endif
 
         /*