Changeset 46458 in vbox for trunk

Timestamp:

Jun 10, 2013 9:56:40 AM (12 years ago)

Author:

vboxsync

Message:

VMM/HMVMXR0: Don't miss flushing-by-EPT if we the VCPU gets rescheduled to another host CPU before the flush happens.

File:

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

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

@@ -1255 +1255 @@
      * Check for explicit TLB shootdowns.
      */
+    bool fExplicitTlbFlush = false;
     if (VMCPU_FF_TEST_AND_CLEAR(pVCpu, VMCPU_FF_TLB_FLUSH))
     {
         pVCpu->hm.s.fForceTLBFlush = true;
+        fExplicitTlbFlush = true;
         STAM_COUNTER_INC(&pVCpu->hm.s.StatFlushTlb);
     }
@@ -1278 +1280 @@
                 hmR0VmxFlushVpid(pVM, pVCpu, pVM->hm.s.vmx.enmFlushVpid, 0 /* GCPtr */);
         }
-        else
+
+        if (fExplicitTlbFlush)
         {
             /*