Changeset 10280 in vbox for trunk/src/VBox/VMM/VMMAll

Timestamp:

Jul 5, 2008 3:06:42 PM (16 years ago)

Author:

vboxsync

Message:

No need for tracking user pages when guest paging is disabled.

Location:

trunk/src/VBox/VMM/VMMAll

Files:

• PGMAllBth.h (modified) (1 diff)
• PGMAllPool.cpp (modified) (5 diffs)

trunk/src/VBox/VMM/VMMAll/PGMAllBth.h

@@ -65 +65 @@
 #ifdef IN_RING0 /* no mappings in VT-x and AMD-V mode */
 # define PGM_WITHOUT_MAPPINGS
+#endif
+
+/* There's no need for tracking physical pages when there's no guest paging involved. */
+#if !PGM_WITH_PAGING(PGM_GST_TYPE)
+#undef PGMPOOL_WITH_USER_TRACKING
 #endif
 

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

@@ -3158 +3158 @@
         }
 
-        case PGMPOOLKIND_32BIT_PT_FOR_PHYS: /* treat it like a 4 MB page */
         case PGMPOOLKIND_32BIT_PT_FOR_32BIT_4MB:
         {
@@ -3167 +3166 @@
         }
 
-        case PGMPOOLKIND_PAE_PT_FOR_PHYS:   /* treat it like a 4 MB page */
         case PGMPOOLKIND_PAE_PT_FOR_PAE_2MB:
         case PGMPOOLKIND_PAE_PT_FOR_32BIT_4MB:
@@ -3184 +3182 @@
         case PGMPOOLKIND_PAE_PT_FOR_PAE_2MB:
         case PGMPOOLKIND_PAE_PT_FOR_32BIT_4MB:
-        case PGMPOOLKIND_32BIT_PT_FOR_PHYS:
-        case PGMPOOLKIND_PAE_PT_FOR_PHYS:
             break;
 #endif /* !PGMPOOL_WITH_GCPHYS_TRACKING */
@@ -3192 +3188 @@
         case PGMPOOLKIND_PAE_PD_FOR_PAE_PD:
         case PGMPOOLKIND_64BIT_PD_FOR_64BIT_PD:
-        case PGMPOOLKIND_64BIT_PD_FOR_PHYS:
             pgmPoolTrackDerefPDPae(pPool, pPage, (PX86PDPAE)pvShw);
             break;
 
-        case PGMPOOLKIND_64BIT_PDPT_FOR_PHYS:
         case PGMPOOLKIND_64BIT_PDPT_FOR_64BIT_PDPT:
             pgmPoolTrackDerefPDPT64Bit(pPool, pPage, (PX86PDPT)pvShw);
@@ -3203 +3197 @@
         case PGMPOOLKIND_64BIT_PML4_FOR_64BIT_PML4:
             pgmPoolTrackDerefPML464Bit(pPool, pPage, (PX86PML4)pvShw);
+            break;
+
+        case PGMPOOLKIND_64BIT_PD_FOR_PHYS:
+        case PGMPOOLKIND_64BIT_PDPT_FOR_PHYS:
+        case PGMPOOLKIND_PAE_PT_FOR_PHYS:
+        case PGMPOOLKIND_32BIT_PT_FOR_PHYS:
+            /* No tracking here. */
             break;