Changeset 64837 in vbox

Timestamp:

Dec 12, 2016 5:03:28 PM (8 years ago)

Author:

vboxsync

Message:

VMM/HMVMXR0: Fix VM-exit history update to be done *after* successful world-switch.

File:

• trunk/src/VBox/VMM/VMMR0/HMVMXR0.cpp (modified) (2 diffs)

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

@@ -8946 +8946 @@
     pVmxTransient->fVMEntryFailed = VMX_ENTRY_INTERRUPTION_INFO_IS_VALID(pVmxTransient->uEntryIntInfo);
 
-    /* Update the VM-exit history array. */
-    HMCPU_EXIT_HISTORY_ADD(pVCpu, pVmxTransient->uExitReason);
-
     /* If the VMLAUNCH/VMRESUME failed, we can bail out early. This does -not- cover VMX_EXIT_ERR_*. */
     if (RT_UNLIKELY(rcVMRun != VINF_SUCCESS))
@@ -8956 +8953 @@
         return;
     }
+
+    /* Update the VM-exit history array only if the world-switch was successful. */
+    HMCPU_EXIT_HISTORY_ADD(pVCpu, pVmxTransient->uExitReason);
 
     if (RT_LIKELY(!pVmxTransient->fVMEntryFailed))