On Sun, 6 May 2018 15:00:23 -0500, Paul Edwards wrote: >As far as I can tell, the BAR exists for the same >reasons that 16 MiB LINE exists - historical >curiosity.
Right. And compatibility >No reason to be stuck with that forever. >Most other 32-bit programming environments >allow access to the full 4 GiB and z/Arch is >capable of delivering the same functionality >to z/OS users. You can argue over the wisdom of IBM going to 31-bit addressing with 370/Extended Architecture in 1982. You can also argue about the wisdom of their decisions around managing the nearly 8 PB above the bar differently than the 2 GB below it. These are decisions that were made long ago. Jim has offered you a suggestion that will give you what you are asking for - a way to allocate storage in the range from 2 GB to 4 GB. The notion that you want z/Architecture to behave like it supports 32-bit addressing is silly. That's my opinion, and there is no way I will support your RFE. -- Tom Marchant ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
