Changeset 41280 in vbox for trunk/src/VBox/VMM/VMMR0

Timestamp:

May 14, 2012 12:25:44 PM (13 years ago)

Author:

vboxsync

Message:

VMM/VMMR0/HWVMXR0: flush by single-context VPID by default on CPU force flush when both EPT+VPID available.

File:

• trunk/src/VBox/VMM/VMMR0/HWVMXR0.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMR0/HWVMXR0.cpp

@@ -2232 +2232 @@
         else
         {
-            /** @todo is it better to flush by EPT or VPID here? find out which is less
-             *        expensive. */
-            hmR0VmxFlushEPT(pVM, pVCpu, pVM->hwaccm.s.vmx.enmFlushEPT);
+            if (pVM->hwaccm.s.vmx.msr.vmx_eptcaps & MSR_IA32_VMX_EPT_CAPS_INVVPID_CAPS_SINGLE_CONTEXT)
+                hmR0VmxFlushVPID(pVM, pVCpu, pVM->hwaccm.s.vmx.enmFlushVPID, 0 /* GCPtr */);
+            else
+                hmR0VmxFlushEPT(pVM, pVCpu, pVM->hwaccm.s.vmx.enmFlushEPT);
         }