Changeset 48040 in vbox for trunk/src/VBox

Timestamp:

Aug 24, 2013 11:32:08 AM (11 years ago)

Author:

vboxsync

Message:

VMM/HMVMXR0: Avoid loading the host state earlier when we can get preempted (when thread-context hooks are used).

File:

• trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp (modified) (1 diff)

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

@@ -7049 +7049 @@
 
     LogFlowFunc(("pVM=%p pVCpu=%p\n", pVM, pVCpu));
-    return hmR0VmxSaveHostState(pVM, pVCpu);
+
+    /* When thread-context hooks are available, this is done later (when preemption/interrupts are disabled). */
+    if (!VMMR0ThreadCtxHooksAreRegistered(pVCpu))
+    {
+        Assert(!RTThreadPreemptIsEnabled(NIL_RTTHREAD));
+        return hmR0VmxSaveHostState(pVM, pVCpu);
+    }
+    return VINF_SUCCESS;
 }