Changeset 18292 in vbox for trunk/src/VBox/Main/ConsoleImpl2.cpp

Timestamp:

Mar 26, 2009 5:20:39 AM (16 years ago)

Author:

vboxsync

Message:

ConsoleImpl2.cpp: Set HwVirtExtForced if there is memory above 4GB and VT-x/AMD-V is enabled. We need to optimzie hyper heap and lookup times when dealing with lots of memory, so no easy fallback, sorry.

File:

• trunk/src/VBox/Main/ConsoleImpl2.cpp (modified) (3 diffs)

trunk/src/VBox/Main/ConsoleImpl2.cpp

@@ -192 +192 @@
     hrc = pMachine->COMGETTER(MemorySize)(&cRamMBs);                                H();
 #if 0 /* enable to play with lots of memory. */
-    cRamMBs = 8 * 1024;
+    cRamMBs = 512 * 1024;
 #endif
     uint64_t const cbRam = cRamMBs * (uint64_t)_1M;
@@ -240 +240 @@
 #ifdef RT_OS_DARWIN
     rc = CFGMR3InsertInteger(pRoot, "HwVirtExtForced",      fHWVirtExEnabled);      RC_CHECK();
+#elif defined(VBOX_WITH_NEW_PHYS_CODE)
+    /* With more than 4GB PGM will use different RAMRANGE sizes for raw mode and hv mode to optimize lookup times. */
+    rc = CFGMR3InsertInteger(pRoot, "HwVirtExtForced",      fHWVirtExEnabled && cbRam > (_4G - cbRamHole)); RC_CHECK();
 #else
     rc = CFGMR3InsertInteger(pRoot, "HwVirtExtForced",      0);                     RC_CHECK();
@@ -1880 +1883 @@
                     H();
                 }
-            
+
                 if(bEnabled)
                     hrc = dhcpServer->Start(networkName, trunkName, trunkType);