Changeset 45971 in vbox for trunk/src/VBox/VMM

Timestamp:

May 9, 2013 7:46:52 PM (12 years ago)

Author:

vboxsync

Message:

Main, VMM: Added an API seting to disable VT-x unrestricted execution.

File:

• trunk/src/VBox/VMM/VMMR3/HM.cpp (modified) (2 diffs)

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

@@ -400 +400 @@
     AssertRCReturn(rc, rc);
 
-    /** @cfgm{/HM/EnableUnrestrictedExec, bool, true}
+    /** @cfgm{/HM/EnableUX, bool, true}
      * Enables the VT-x unrestricted execution feature. */
-    rc = CFGMR3QueryBoolDef(pCfgHM, "EnableUnrestrictedExec", &pVM->hm.s.vmx.fAllowUnrestricted, true);
+    rc = CFGMR3QueryBoolDef(pCfgHM, "EnableUX", &pVM->hm.s.vmx.fAllowUnrestricted, true);
     AssertRCReturn(rc, rc);
 
@@ -2821 +2821 @@
 
 /**
+ * Checks if we are currently using VT-x unrestricted execution,
+ * aka UX. 
+ *
+ * @returns true if UX is being used, otherwise false.
+ * @param   pUVM        The user mode VM handle.
+ */
+VMMR3DECL(bool) HMR3IsUXActive(PUVM pUVM)
+{
+    UVM_ASSERT_VALID_EXT_RETURN(pUVM, false);
+    PVM pVM = pUVM->pVM;
+    VM_ASSERT_VALID_EXT_RETURN(pVM, false);
+    return pVM->hm.s.vmx.fUnrestrictedGuest;
+}
+
+
+/**
  * Checks if internal events are pending. In that case we are not allowed to dispatch interrupts.
  *