Changeset 30091 in vbox for trunk/src/VBox/VMM/VMMR0

Timestamp:

Jun 8, 2010 1:49:56 PM (15 years ago)

Author:

vboxsync

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

62472

Message:

If we're somehow not in VMX root mode, then we shouldn't dare leaving it.

File:

• trunk/src/VBox/VMM/VMMR0/HWVMXR0.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR0/HWVMXR0.cpp

@@ -147 +147 @@
     AssertReturn(pPageCpuPhys, VERR_INVALID_PARAMETER);
     AssertReturn(pvPageCpu, VERR_INVALID_PARAMETER);
+
+    /* If we're somehow not in VMX root mode, then we shouldn't dare leaving it. */
+    if (!(ASMGetCR4() & X86_CR4_VMXE))
+        return VERR_VMX_NOT_IN_VMX_ROOT_MODE;
 
     /* Leave VMX Root Mode. */