Changeset 73235 in vbox

Timestamp:

Jul 19, 2018 10:52:25 AM (7 years ago)

Author:

vboxsync

Message:

VMM/CPUM: Nested VMX: bugref:9180 Disable nested hw.virt for NEM.

File:

• trunk/src/VBox/VMM/VMMR3/CPUMR3CpuId.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR3/CPUMR3CpuId.cpp

@@ -3948 +3948 @@
         return VMSetError(pVM, VERR_CPUM_INVALID_HWVIRT_CONFIG, RT_SRC_POS,
                           "Cannot enable nested VT-x/AMD-V without nested-paging and unresricted guest execution!\n");
+
+    /** @todo Think about enabling this later with NEM/KVM. */
+    if (   pConfig->fNestedHWVirt
+        && VM_IS_NEM_ENABLED(pVM))
+    {
+        LogRel(("CPUM: WARNING! Can't turn on nested VT-x/AMD-V when NEM is used!\n"));
+        pConfig->fNestedHWVirt = false;
+    }
 #endif