Changeset 46517 in vbox for trunk

Timestamp:

Jun 13, 2013 9:27:02 AM (12 years ago)

Author:

vboxsync

Message:

VMM/HMVMXR0: Don't need to update guest APIC state (i.e. TPR) for nested page faults that are not MMIO.

File:

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

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

@@ -8629 +8629 @@
         || rc == VERR_PAGE_NOT_PRESENT)
     {
+        /* Successfully handled MMIO operation. */
         pVCpu->hm.s.fContextUseFlags |=   HM_CHANGED_GUEST_RIP | HM_CHANGED_GUEST_RSP | HM_CHANGED_GUEST_RFLAGS
                                         | HM_CHANGED_VMX_GUEST_APIC_STATE;
@@ -8692 +8693 @@
         || rc == VERR_PAGE_NOT_PRESENT)
     {
-        /* Successfully synced our shadow page tables or emulation MMIO instruction. */
+        /* Successfully synced our nested page tables. */
         STAM_COUNTER_INC(&pVCpu->hm.s.StatExitReasonNpf);
-        pVCpu->hm.s.fContextUseFlags |=   HM_CHANGED_GUEST_RIP | HM_CHANGED_GUEST_RSP | HM_CHANGED_GUEST_RFLAGS
-                                        | HM_CHANGED_VMX_GUEST_APIC_STATE;
+        pVCpu->hm.s.fContextUseFlags |= HM_CHANGED_GUEST_RIP | HM_CHANGED_GUEST_RSP | HM_CHANGED_GUEST_RFLAGS;
         return VINF_SUCCESS;
     }