Changeset 70720 in vbox

Timestamp:

Jan 24, 2018 4:47:50 AM (7 years ago)

Author:

vboxsync

Message:

VMM/CPUM: Nested Hw.virt: Log when nested hw.virt is disabled when the VM doesn't have nested-paging or unrestricted guest exec. enabled.

File:

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

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

@@ -3934 +3934 @@
     rc = CFGMR3QueryBoolDef(pCpumCfg, "NestedHWVirt", &pConfig->fNestedHWVirt, false);
     AssertLogRelRCReturn(rc, rc);
-    pConfig->fNestedHWVirt &= fNestedPagingAndFullGuestExec;
+    if (   pConfig->fNestedHWVirt
+        && !fNestedPagingAndFullGuestExec)
+    {
+        LogRel(("CPUM: Warning! Can't turn on nested VT-x/AMD-V without nested-paging and unrestricted guest execution!\n"));
+        pConfig->fNestedHWVirt = false;
+    }
 #endif