Changeset 49727 in vbox

Timestamp:

Nov 29, 2013 2:11:37 PM (11 years ago)

Author:

vboxsync

Message:

VMM/HMVMXR0: Now that we have atomic flag updates, reenable WRMSR optimization while loading guest MSR.

File:

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

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

@@ -1496 +1496 @@
     Assert(!VMMRZCallRing3IsEnabled(pVCpu));
 
-#if 0   /* Disabled until issue with non-atomic flag updates is resolved. See @bugref{6398#c170}. */
     Assert(pVCpu->hm.s.vmx.fRestoreHostMsrs & VMX_RESTORE_HOST_MSR_SAVED_HOST);
     if (!(pVCpu->hm.s.vmx.fRestoreHostMsrs & VMX_RESTORE_HOST_MSR_LOADED_GUEST))
@@ -1515 +1514 @@
     }
     else
-#endif
     {
         ASMWrMsr(MSR_K8_LSTAR,          pMixedCtx->msrLSTAR);