In <[EMAIL PROTECTED]>, on
01/24/2007
at 05:44 PM, "Craddock, Chris" <[EMAIL PROTECTED]> said:
>That is generally true with one caveat/exception. The MODE=SUP
>function of the MODESET SVC (107) checks the JSCBAUTH bit and returns
>control in supervisor state. It does that by turning off the problem
>state bit in the resume PSW. And MODE=PROB undoes it.
Doesn't it also test the PSW key of the caller and allow MODE=SUP for
keys 0-7?
--
Shmuel (Seymour J.) Metz, SysProg and JOAT
ISO position; see <http://patriot.net/~shmuel/resume/brief.html>
We don't care. We don't have to care, we're Congress.
(S877: The Shut up and Eat Your spam act of 2003)
----------------------------------------------------------------------
For IBM-MAIN subscribe / signoff / archive access instructions,
send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO
Search the archives at http://bama.ua.edu/archives/ibm-main.html