Changeset 46718 in vbox

Timestamp:

Jun 21, 2013 9:28:16 AM (11 years ago)

Author:

vboxsync

Message:

VMM/HM: Updating context-flags unconditionally from ring-3 when it's shared with ring-0 causes trouble for SMP.
There's no need to do this with the new code either as we update the flags on longjmps, excursions to ring-3 as appropriate on the R0 exit routes.

File:

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

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

@@ -2612 +2612 @@
                 &&  !pVM->hm.s.vmx.fUnrestrictedGuest)
             {
+#ifdef VBOX_WITH_OLD_VTX_CODE
                 /** @todo   This should (probably) be set on every excursion to the REM,
                  *          however it's too risky right now. So, only apply it when we go
@@ -2619 +2620 @@
                 for (uint32_t i = 0; i < pVM->cCpus; i++)
                     pVM->aCpus[i].hm.s.fContextUseFlags |= HM_CHANGED_ALL_GUEST;
+#endif
 
                 if (    !pVM->hm.s.fNestedPaging        /* requires a fake PD for real *and* protected mode without paging - stored in the VMM device heap */