Changeset 71165 in vbox for trunk/src/VBox/VMM/VMMAll

Timestamp:

Mar 2, 2018 5:47:44 AM (7 years ago)

Author:

vboxsync

Message:

VMM/IEM: Nested Hw.virt: Add VMRUN check when SVM Flush-by-ASID is exposed to the guest.

File:

• trunk/src/VBox/VMM/VMMAll/IEMAllCImplSvmInstr.cpp.h (modified) (1 diff)

trunk/src/VBox/VMM/VMMAll/IEMAllCImplSvmInstr.cpp.h

@@ -403 +403 @@
         {
             Log(("iemSvmVmrun: Guest ASID is invalid -> #VMEXIT\n"));
+            return iemSvmVmexit(pVCpu, pCtx, SVM_EXIT_INVALID, 0 /* uExitInfo1 */, 0 /* uExitInfo2 */);
+        }
+
+        /* Flush by ASID. */
+        if (   !pVM->cpum.ro.GuestFeatures.fSvmFlusbByAsid
+            &&  pVmcbCtrl->TLBCtrl.n.u8TLBFlush != SVM_TLB_FLUSH_NOTHING
+            &&  pVmcbCtrl->TLBCtrl.n.u8TLBFlush != SVM_TLB_FLUSH_ENTIRE)
+        {
+            Log(("iemSvmVmrun: Flush-by-ASID not supported -> #VMEXIT\n"));
             return iemSvmVmexit(pVCpu, pCtx, SVM_EXIT_INVALID, 0 /* uExitInfo1 */, 0 /* uExitInfo2 */);
         }