Detecting and handling split locks

Posted Jun 10, 2019 20:26 UTC (Mon) by flussence (guest, #85566)
In reply to: Detecting and handling split locks by epa
Parent article: Detecting and handling split locks

If x86-64 was to support a full x86-32 feature set anyway (which it had to, to avoid the fate of Itanic), it would probably be more costly to selectively gate off all those features in long mode than to let them through.