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Blame SOURCES/kvm-hw-arm-virt-Check-no_tcg_its-and-minor-style-changes.patch

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From 4098f7b5aea8871a655bab43d5114d067662e6c5 Mon Sep 17 00:00:00 2001
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From: Eric Auger <eric.auger@redhat.com>
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Date: Wed, 5 Jan 2022 16:17:10 +0100
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Subject: [PATCH 6/6] hw/arm/virt: Check no_tcg_its and minor style changes
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RH-Author: Eric Auger <eric.auger@redhat.com>
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RH-MergeRequest: 57: hw/arm/virt: Add 9.0 machine type and remove 8.5 one
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RH-Commit: [6/6] 4480d569463fd3f637404539d3bd06b59cafbc88 (eauger1/centos-qemu-kvm)
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RH-Bugzilla: 2031044
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RH-Acked-by: Gavin Shan <gshan@redhat.com>
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RH-Acked-by: Andrew Jones <drjones@redhat.com>
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RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
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branch: c9s
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Brew: 42213566
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Upstream: no
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Truly allow TCG ITS instantiation according to the no_tcg_its
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class flag. Otherwise it is always set to false.
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We also take benefit of this patch to do some minor non
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functional style changes to be closer to the upstream code.
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Signed-off-by: Eric Auger <eric.auger@redhat.com>
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---
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 hw/arm/virt.c | 16 ++++++++++++----
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 1 file changed, 12 insertions(+), 4 deletions(-)
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diff --git a/hw/arm/virt.c b/hw/arm/virt.c
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index d537706a86..0e691cbe81 100644
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--- a/hw/arm/virt.c
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+++ b/hw/arm/virt.c
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@@ -3163,6 +3163,7 @@ static void rhel_machine_class_init(ObjectClass *oc, void *data)
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                                           "in ACPI table header."
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                                           "The string may be up to 6 bytes in size");
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+
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     object_class_property_add_str(oc, "x-oem-table-id",
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                                   virt_get_oem_table_id,
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                                   virt_set_oem_table_id);
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@@ -3170,6 +3171,7 @@ static void rhel_machine_class_init(ObjectClass *oc, void *data)
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                                           "Override the default value of field OEM Table ID "
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                                           "in ACPI table header."
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                                           "The string may be up to 8 bytes in size");
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+
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 }
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 static void rhel_virt_instance_init(Object *obj)
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@@ -3194,26 +3196,32 @@ static void rhel_virt_instance_init(Object *obj)
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     } else {
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         /* Default allows ITS instantiation */
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         vms->its = true;
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+
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+        if (vmc->no_tcg_its) {
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+            vms->tcg_its = false;
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+        } else {
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+            vms->tcg_its = true;
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+        }
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     }
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     /* Default disallows iommu instantiation */
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     vms->iommu = VIRT_IOMMU_NONE;
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+    /* The default root bus is attached to iommu by default */
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+    vms->default_bus_bypass_iommu = false;
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+
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     /* Default disallows RAS instantiation and is non-configurable for RHEL */
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     vms->ras = false;
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     /* MTE is disabled by default and non-configurable for RHEL */
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     vms->mte = false;
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-    /* The default root bus is attached to iommu by default */
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-    vms->default_bus_bypass_iommu = false;
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-
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     vms->irqmap = a15irqmap;
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     virt_flash_create(vms);
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+
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     vms->oem_id = g_strndup(ACPI_BUILD_APPNAME6, 6);
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     vms->oem_table_id = g_strndup(ACPI_BUILD_APPNAME8, 8);
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-
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 }
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 static const TypeInfo rhel_machine_info = {
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-- 
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2.27.0
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