Changeset 86018 in vbox for trunk/src/VBox/VMM/VMMAll

Timestamp:

Sep 3, 2020 9:13:51 AM (4 years ago)

Author:

vboxsync

Message:

NEM/Hyper-V: Make the unmap pages hack threshold configurable bugref:9044

File:

• trunk/src/VBox/VMM/VMMAll/NEMAllNativeTemplate-win.cpp.h (modified) (1 diff)

trunk/src/VBox/VMM/VMMAll/NEMAllNativeTemplate-win.cpp.h

@@ -4039 +4039 @@
     for (unsigned iLoop = 0;; iLoop++)
     {
-# ifndef NEM_WIN_USE_HYPERCALLS_FOR_PAGES
+//# ifndef NEM_WIN_USE_HYPERCALLS_FOR_PAGES
         /*
          * Hack alert!
          */
         uint32_t const cMappedPages = pVM->nem.s.cMappedPages;
-        if (cMappedPages >= 4000)
-        {
-            PGMPhysNemEnumPagesByState(pVM, pVCpu, NEM_WIN_PAGE_STATE_READABLE, nemR3WinWHvUnmapOnePageCallback, NULL);
+        if (   cMappedPages >= pVM->nem.s.cMappedPagesMaxBeforeUnmap
+            && pVM->nem.s.cMappedPagesMaxBeforeUnmap != 0)
+        {
+            PGMPhysNemEnumPagesByState(pVM, pVCpu, NEM_WIN_PAGE_STATE_READABLE, nemHCWinUnmapOnePageCallback, NULL);
             Log(("nemHCWinRunGC: Unmapped all; cMappedPages=%u -> %u\n", cMappedPages, pVM->nem.s.cMappedPages));
         }
-# endif
+//# endif
 
         /*