Changeset 104859 in vbox for trunk/src/VBox/VMM/VMMR3

Timestamp:

Jun 5, 2024 8:33:10 PM (11 months ago)

Author:

vboxsync

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

163452

Message:

VMM/PGM: Moved the apRamRangesTlbR0 out of the shared PGM structure and into the ring-0 only one; double the RAM range TLB size (from 8 to 16 entries). bugref:10687 bugref:10093

File:

• trunk/src/VBox/VMM/VMMR3/PGMPhys.cpp (modified) (3 diffs)

trunk/src/VBox/VMM/VMMR3/PGMPhys.cpp

@@ -2852 +2852 @@
 
     pgmPhysInvalidatePageMapTLB(pVM);
-    pgmPhysInvalidRamRangeTlbs(pVM);
+    /*pgmPhysInvalidRamRangeTlbs(pVM); - not necessary */
 
     return rc;
@@ -3403 +3403 @@
                                      rc2, idx, cChunks, pszDesc),
                                     rc = RT_SUCCESS(rc) ? rc2 : rc);
+                pgmPhysInvalidRamRangeTlbs(pVM); /* Ensure no stale pointers in the ring-3 RAM range TLB. */
             }
             if (RT_FAILURE(rc2))
@@ -3905 +3906 @@
 
     pgmPhysInvalidatePageMapTLB(pVM);
-    pgmPhysInvalidRamRangeTlbs(pVM);
+    /* pgmPhysInvalidRamRangeTlbs(pVM); - not necessary */
 
     return rcRet;