z/OS Version 2 Release 1 Technical Updates

Base Control supervisor and timer supervisor changes

This chapter describes the following Base Control Program (BCP) supervisor and timer supervisor enhancements that were introduced with z/OS Version 2 Release 1 (2.1).

•28.1, “Transaction execution” on page 362

•28.2, “Offload time at task level” on page 371

•28.3, “Larger and extendable facility list” on page 372

•28.4, “Tracing disabled interrupt exits” on page 373

•28.5, “Entry table entries expanded” on page 373

•28.6, “Support for clock values in the second UNIX epoch” on page 373

•28.7, ...