Changeset 89868 in vbox for trunk/src/VBox/Main/src-client

Timestamp:

Jun 23, 2021 6:02:11 PM (4 years ago)

Author:

vboxsync

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

145325

Message:

Main/Console+Machine: Eliminate CMPXCHG16B hack (see bugref:6300) since it is no longer needed. Also make the ParavirtProvider check (Windows Server versions) for the Hyper-V case somewhat future proof. Add a reminder to Global.cpp when adding new guest OS types.

File:

• trunk/src/VBox/Main/src-client/ConsoleImpl2.cpp (modified) (1 diff)

trunk/src/VBox/Main/src-client/ConsoleImpl2.cpp

@@ -1032 +1032 @@
             LogRel(("Limiting CPUID leaf count for NT4 guests\n"));
             InsertConfigInteger(pCPUM, "NT4LeafLimit", true);
-        }
-
-        /* Expose CMPXCHG16B. Currently a hack. */
-        if (   osTypeId == "Windows81_64"
-            || osTypeId == "Windows2012_64"
-            || osTypeId == "Windows10_64"
-            || osTypeId == "Windows2016_64")
-        {
-            LogRel(("Enabling CMPXCHG16B for Windows 8.1 / 2k12 or newer guests\n"));
-            InsertConfigInteger(pIsaExts, "CMPXCHG16B", true);
         }