In a recent note, Edward E. Jaffe said: > Date: Mon, 26 Sep 2005 08:52:20 -0700 > > >But STFL is a privileged instruction (STFLE is not). Who issues the > >original STFL? the operating system during IPL? > > Yes. All z/OS and some OS/390 releases issue STFL at IPL time. > Does the OS then make the result available to unprivileged programs somewhere? (CVT?)
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