Re: [qemu-s390x] [PATCH v4 3/5] s390x/cpumodel: Set up CPU model for AP device support

[David Hildenbrand]

>  
> diff --git a/target/s390x/gen-features.c b/target/s390x/gen-features.c
> index 0cdbc15..0d5b0f7 100644
> --- a/target/s390x/gen-features.c
> +++ b/target/s390x/gen-features.c
> @@ -447,6 +447,9 @@ static uint16_t full_GEN12_GA1[] = {
>      S390_FEAT_ADAPTER_INT_SUPPRESSION,
>      S390_FEAT_EDAT_2,
>      S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2,
> +    S390_FEAT_AP_QUERY_CONFIG_INFO,
> +    S390_FEAT_AP_FACILITIES_TEST,
> +    S390_FEAT_AP,
>  };
>  

Now I have to ask a very stupid question:

I heard that the execution controls in the SIE block for AP are one of
the oldest ones we have around. How can it be that the AP feature cannot
be used before zEC12?


-- 

Thanks,

David / dhildenb