Changeset 99369 in vbox

Timestamp:

Apr 10, 2023 11:36:09 PM (2 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

156784

Message:

VMM/IEM: @todo regarding nested VMX APIC page access handler management in IEM. bugref:10318

File:

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

trunk/src/VBox/VMM/VMMAll/IEMAllCImplVmxInstr.cpp

@@ -7192 +7192 @@
          * See Intel spec. 24.11.4 "Software Access to Related Structures".
          */
+        /** @todo r=bird: The lazy deregistration of the page is potentially slightly
+         *        problematic, as the guest may cause us to create lots of access
+         *        handler entries.  However, any slowdown or similar effects should
+         *        only ever affect the guest itself, so not a big issue.  Though, I
+         *        wish there was most recently used approach or something to tracking
+         *        these... */
         PVMCC pVM = pVCpu->CTX_SUFF(pVM);
         int rc = PGMHandlerPhysicalRegisterVmxApicAccessPage(pVM, GCPhysApicAccess, pVM->iem.s.hVmxApicAccessPage);