Changeset 15671 in vbox for trunk/src/VBox

Timestamp:

Dec 18, 2008 7:09:32 PM (16 years ago)

Author:

vboxsync

Message:

PGMAllHandler.cpp: Prevent pgmPoolTrackFlushGCPhysPTsSlow and pgmPoolTrackFlushGCPhysPTs from filling up the dynamic mapping cache.

File:

• trunk/src/VBox/VMM/VMMAll/PGMAllHandler.cpp (modified) (2 diffs)

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

@@ -238 +238 @@
             if (u16)
             {
+# ifdef VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0
+                /* Start a subset here because pgmPoolTrackFlushGCPhysPTsSlow and pgmPoolTrackFlushGCPhysPTs
+                   will/may kill the pool otherwise. */
+                PVMCPU pVCpu = VMMGetCpu(pVM);
+                uint32_t iPrevSubset = PGMDynMapPushAutoSubset(pVCpu);
+# endif
+
                 if ((u16 >> (MM_RAM_FLAGS_CREFS_SHIFT - MM_RAM_FLAGS_IDX_SHIFT)) != MM_RAM_FLAGS_CREFS_PHYSEXT)
                     pgmPoolTrackFlushGCPhysPT(pVM,
@@ -248 +255 @@
                     rc = pgmPoolTrackFlushGCPhysPTsSlow(pVM, pPage);
                 fFlushTLBs = true;
+
+#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0
+                PGMDynMapPopAutoSubset(pVCpu, iPrevSubset);
+#endif
             }
+
 #elif defined(PGMPOOL_WITH_CACHE)
+# ifdef VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0
+            /* Start a subset here because pgmPoolTrackFlushGCPhysPTsSlow kill the pool otherwise. */
+            PVMCPU pVCpu = VMMGetCpu(pVM);
+            uint32_t iPrevSubset = PGMDynMapPushAutoSubset(pVCpu);
+# endif
+
             rc = pgmPoolTrackFlushGCPhysPTsSlow(pVM, pPage);
             fFlushTLBs = true;
+
+# ifdef VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0
+            PGMDynMapPopAutoSubset(pVCpu, iPrevSubset);
+# endif
 #endif
         }