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From e6ff4de4f7036f88ee63adad6de5ee5dd74f1d99 Mon Sep 17 00:00:00 2001
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From: Thomas Huth <thuth@redhat.com>
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Date: Fri, 26 Nov 2021 09:37:11 +0100
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Subject: redhat: Add s390x machine type compatibility handling for the rebase
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to v6.2
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RH-Author: Thomas Huth <thuth@redhat.com>
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RH-MergeRequest: 80: Add s390x machine type compatibility handling for the rebase to v6.2
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RH-Commit: [26/26] c45cf594604f6dd23954696b9c84d2025e328d11
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RH-Bugzilla: 2022602
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RH-Acked-by: David Hildenbrand <david@redhat.com>
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RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
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RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
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Add compatibility handling for the rhel8.5.0 machine type (and
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recursively older, of course).
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Based on the following upstream commits:
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463e50da8b - s390x/cpumodel: Bump up QEMU model to a stripped-down IBM z14 GA2
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30e398f796 - s390x/cpumodel: Add more feature to gen16 default model
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4a0af2930a - machine: Prefer cores over sockets in smp parsing since 6.2
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2b52619994 - machine: Move smp_prefer_sockets to struct SMPCompatProps
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Signed-off-by: Thomas Huth <thuth@redhat.com>
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---
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hw/s390x/s390-virtio-ccw.c | 10 ++++++++++
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1 file changed, 10 insertions(+)
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diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
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index 4af14cb9ca..c654045964 100644
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--- a/hw/s390x/s390-virtio-ccw.c
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+++ b/hw/s390x/s390-virtio-ccw.c
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@@ -1105,11 +1105,21 @@ DEFINE_CCW_MACHINE(2_4, "2.4", false);
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static void ccw_machine_rhel850_instance_options(MachineState *machine)
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{
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+ static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V6_0 };
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+
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+ s390_set_qemu_cpu_model(0x2964, 13, 2, qemu_cpu_feat);
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+
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+ s390_cpudef_featoff_greater(16, 1, S390_FEAT_NNPA);
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+ s390_cpudef_featoff_greater(16, 1, S390_FEAT_VECTOR_PACKED_DECIMAL_ENH2);
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+ s390_cpudef_featoff_greater(16, 1, S390_FEAT_BEAR_ENH);
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+ s390_cpudef_featoff_greater(16, 1, S390_FEAT_RDP);
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+ s390_cpudef_featoff_greater(16, 1, S390_FEAT_PAI);
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}
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static void ccw_machine_rhel850_class_options(MachineClass *mc)
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{
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compat_props_add(mc->compat_props, hw_compat_rhel_8_5, hw_compat_rhel_8_5_len);
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+ mc->smp_props.prefer_sockets = true;
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}
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DEFINE_CCW_MACHINE(rhel850, "rhel8.5.0", true);
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--
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2.27.0
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