Interesting. I have avoided going there, but perhaps I should. Charles
-----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Ed Jaffe Sent: Wednesday, December 14, 2016 8:36 AM To: [email protected] Subject: Re: Question on SPKA and Control Register 3 On 12/14/2016 6:04 AM, Charles Mills wrote: > > My only interest in using SPKA was to avoid having to use an SVC just > to effectively reduce my privileges (key 0 to key 8). The program does > this switch from key 8 to key 0 and back over a million times per hour > per LPAR at several locations. Using an SVC to get from SUP to PROB is > not any > (much?) better. We have a routine with similar characteristics that originally used the MODESET SVC to return to problem state. After it showed up on a customer's STROBE report, we switched over to using LPSW instead... ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
