When you say Live Guest Relocation isn’t supported for a z/OS guest is the mechanism for hiding new instructions available for a z/OS guest?
I ask because if it is available it would be great for e.g. a software vendor to test support for previous machines. Just a thought. Cheers, Martin Sent from my iPad > On 22 Mar 2019, at 17:37, Peter Relson <[email protected]> wrote: > > FWIW, live guest relocation is not supported for the case of z/OS running > under/on z/VM. > > <snip> > What happens on an older model where a field is "reserved, must be zero" > if the programmer supplies a non-zero value which would be valid on a > newer model? > </snip> > Perhaps, architecturally, the answer is: the behavior is undefined or > machine-dependent. > I would guess that in most cases the actual behavior is that there is no > enforcement so that the non-zero value would simply be ignored. > > Peter Relson > z/OS Core Technology Design >Unless stated otherwise above: IBM United Kingdom Limited - Registered in England and Wales with number 741598. Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU
