On Wed, 28 May 2025 13:13:45 +0200 Janosch Frank <frankja@xxxxxxxxxxxxx> wrote: > On 5/28/25 11:41 AM, Claudio Imbrenda wrote: > > On Wed, 28 May 2025 09:13:49 +0000 > > Janosch Frank <frankja@xxxxxxxxxxxxx> wrote: > > > >> Diag10 isn't supported under either of these environments so let's > >> make sure that the test bails out accordingly. > > > > does KVM always implement diag10? > > It was introduced October of 2011 and there's no way of disabling it > that I can see. > > > > > is there no other way to check whether diag10 is available? > > The z/VM CP programming services doesn't specify a feature bit or any > other way to check as far as I can see. > > > > > we could, for example, try to run it "correctly" and see whether we get > > a Specification exception, and then fence. > > We could move the content test to the top and bail out if there's a > spec. That would allow us to handle the addition of diag10 support for > TCG without a test change. > > But: > How likely is it that we want to implement diag10 in TCG? > My guess is that adding it to PV is even less likely. > Not running them under PV and TCG gives us back some CI time although > it's likely minuscule. fair points Reviewed-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx>