>>> On 10/25/2013 at 10:25 PM, adarsh khanna <[email protected]> wrote: -snip0 > 1) Is the disabling of instructions done via micro or millicode?
Most likely millicode, but it could be microcode. > 2) How does diabling few instructions restrict z/OS from running on IFL? IBM makes sure that z/OS (and z/TPF and z/VSE) executes that instruction during early IPL processing. If that is on an IFL, the entire LPAR will experience a check stop. Mark Post ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
