> Perhaps the question should be: How do I get my program to run in PSW
> key 9? Other than the normal, privileged, SKPA instruction. Is the
> appropriate bit in CR3 (PKM portion) set to allow SPKA to set to key 9
> by a problem state program? Doesn't appear to be. And I don't see a way
> to set the PKM in a normal, problem state, APF program. I thought
> MODESET might, but it doesn't. I guess that CICS does it via their magic
> SVC.

  What were you looking at to determine that "Doesn't appear to be"?

  In most cases, when a task is attached, the PKM in CR3
has the bits set to allow a problem-state program to do an SPKA
to the task's key (the key in TCBPKF), and key 9. 

Jim Mulder   z/OS System Test   IBM Corp.  Poughkeepsie,  NY



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