On Fri, 8 Nov 2019 at 11:08, David Hildenbrand <da...@redhat.com> wrote: > > There was recently a discussion regarding CPU model versions. That concept > does not fit s390x where we have a lot of feature variability. I > proposed an alternative approach in [1], which might work for x86 as well > (but I am not sure if x86 still can or wants to switch to that), and > requires no real changes in upper layers. > > [1] and patch #2 contains more information on the motivation for this. > > E.g., specifying/expanding "z14-best" will result in the "best feature > set possible on this accelerator, hw and, firmware". While a "z13" does > not work under TCG and some z/VM versions, "z13-best" will work.
I think other architectures call this concept "max", not "best". If we can manage some cross-architecture consistency that would be helpful, but is s390x using 'max' already for something else? thanks -- PMM
