Hello Rob, It is a user SVC that has been on our system for a long time and it is used by a number of applications. So unfortunately our best (short time) option is to secure the SVC. I will contact you of list if that is ok about the sample code for a pc routine.
Kind regards, Erik. On Fri, 3 May 2024 12:12:03 +0000, Rob Scott <rsc...@rocketsoftware.com> wrote: >Erik. > >>> In the current implementation of the SVC that would work fine, since it is >>> all doing the MVC's in key 0, but if I change that to MVCSK and MVCDK >>> instructions I might get the 0C4 abend. > >Whilst I applaud your desire to implement MVCDK/SK, I think the word "fine" is >doing some heavy lifting in the above. 😊 >Using MVC in key0 to read/write non-Key0 memory is obviously a risk to system >integrity. > >A couple of other minor observations : >(o) Is this SVC part of new development? If so, perhaps consider using PC-cp >instead - I am some sample code that could help in this endevour if you are >interested. >You will require a resource owning ASID to house the PC routine, but it can be >limited function in design. > >(o) I am not a CICS person, but I thought that normal transactions are >discouraged from issuing SVCs (happy to be corrected if not so). ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN