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From: | Tony Krowiak |
Subject: | Re: [Qemu-devel] [PATCH v4 3/5] s390x/cpumodel: Set up CPU model for AP device support |
Date: | Tue, 17 Apr 2018 14:20:21 -0400 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.0 |
On 04/16/2018 11:44 AM, David Hildenbrand wrote:
diff --git a/target/s390x/gen-features.c b/target/s390x/gen-features.cindex 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?
Its not a stupid question, but I don't have an answer because this was not a design decision I made. I will consult with the crypto team to see if I can get you an answer.
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