STOSM would probably work better than the second of the two STNSM instructions if your intention is to enable that which you disabled.
Bill Fairchild ----- Original Message ----- From: "Micheal Butz" <[email protected]> To: [email protected] Sent: Monday, September 9, 2013 5:20:39 PM Subject: Re: Currently dispatched TCB in SRB mode So in other words STNSM. AREA,X'FC' before And STNSM AREA,X'03'. After Sent from my iPhone On Sep 9, 2013, at 7:30 AM, Peter Relson <[email protected]> wrote: >> Data area's says that serialization is disablement. >> Does this mean you need to run disabled or lock >> the CPU associated with the PCCA in question? > > Disablement to z/OS means that the PSW is not enabled either for external > or I/O interrupts. No more, no less. > > There is no concept in z/OS of "locking a CPU". > > Peter Relson > z/OS Core Technology Design > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
