On Sat, 30 Jun 2012 10:32:26 -0600, Paul Gilmartin <[email protected]> wrote:
>IBM seems to be doing the right thing with the BPX1*/BPX4* >system calls. For every(?) BPX1* syscall there's a >corresponding BPX4* that accepts a 64-bit plist. z/OS 1.13 >is reported to support execution of code above the bar. >Interrupts will be handled properly, but (most?) SVCs won't >be supported when issued from above the bar. I wonder >whether BPX4* syscalls can be issued from above the bar? I'm pretty sure the answer is "no". As I understand things, the execution of code above 2G (at least in z/OS V1.13) is for code that is totally self-contained and does not interact with anything else nor invoke any system services. -- Walt
