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From 3b82be3dd3d5254baedf82ba2a6cf0412e84a991 Mon Sep 17 00:00:00 2001
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From: Eric Auger <eric.auger@redhat.com>
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Date: Tue, 16 Nov 2021 17:03:07 +0100
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Subject: redhat: virt-rhel8.5.0: Update machine type compatibility for QEMU
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6.2.0 update
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RH-Author: Eric Auger <eric.auger@redhat.com>
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RH-MergeRequest: 75: redhat: virt-rhel8.5.0: Update machine type compatibility for QEMU 6.2.0 update
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RH-Commit: [21/21] f027d13654944e3d34e3356affe7af952eec2bed
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RH-Bugzilla: 2022607
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RH-Acked-by: Gavin Shan <gshan@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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RH-Acked-by: Andrew Jones <drjones@redhat.com>
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RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
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RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
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To keep compatibility with 8.5-AV machine type we need to
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turn few new options on by default:
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smp_props.prefer_sockets, no_cpu_topology, no_tcg_its
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TESTED: migrate from rhel-av-8.5.0 to rhel-8.6.0 and vice-versa
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with upstream fix: 33a0c404fb hw/intc/arm_gicv3_its: Revert version
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increments in vmstate_its
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Signed-off-by: Eric Auger <eric.auger@redhat.com>
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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hw/arm/virt.c | 5 +++++
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1 file changed, 5 insertions(+)
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diff --git a/hw/arm/virt.c b/hw/arm/virt.c
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index 7d51824263..6ba9a2c2e1 100644
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--- a/hw/arm/virt.c
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+++ b/hw/arm/virt.c
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@@ -3230,7 +3230,12 @@ type_init(rhel_machine_init);
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static void rhel850_virt_options(MachineClass *mc)
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{
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+ VirtMachineClass *vmc = VIRT_MACHINE_CLASS(OBJECT_CLASS(mc));
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+
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compat_props_add(mc->compat_props, arm_rhel_compat, arm_rhel_compat_len);
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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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+ vmc->no_cpu_topology = true;
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+ vmc->no_tcg_its = true;
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}
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DEFINE_RHEL_MACHINE_AS_LATEST(8, 5, 0)
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--
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2.27.0
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