Quoting Ayaz A Siddiqui (2020-05-21 11:41:52)
In order to avoid functional breakage of mis-programmed applications that have grown to depend on unused MOCS entries. It has been decided to program those entries to be equal to fully cached ("L3 + LLC") entry.
"It has been" appears to be you have decided, since there isn't even a reference to the previous threads on this topic, or any other discussion. -Chris