Changeset 49209 in vbox for trunk/src/VBox/VMM

Timestamp:

Oct 21, 2013 11:09:42 AM (11 years ago)

Author:

vboxsync

Message:

VMM/HMVMXR0: Fix MSR_TSC_AUX, restore host MSR.

File:

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

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

@@ -2607 +2607 @@
     }
 # endif
+
+    /* Host TSC AUX MSR must be restored since we always load/store guest TSC AUX MSR. */
+    if (pVCpu->hm.s.vmx.u32ProcCtls2 & VMX_VMCS_CTRL_PROC_EXEC2_RDTSCP)
+    {
+        pHostMsr->u32Msr      = MSR_K8_TSC_AUX;
+        pHostMsr->u32Reserved = 0;
+        pHostMsr->u64Value    = ASMRdMsr(MSR_K8_TSC_AUX);
+        pHostMsr++; cHostMsrs++;
+    }
 
     /* Shouldn't ever happen but there -is- a number. We're well within the recommended 512. */