7e7ad9abba
- Add DMABUF support [VOYAGER-19 VOYAGER-53] - Accelerated SMMU device for GH GPU passthrough [VOYAGER-5 VOYAGER-16 VOYAGER-17 VOYAGER-48] - Resolves: VOYAGER-5 (Backport CMDQV support) - Resolves: VOYAGER-16 (Backport HW accelerated nesting support for arm SMMUv3) - Resolves: VOYAGER-17 (Backport vEVENTQ support for smmuv3) - Resolves: VOYAGER-19 (Backport vfio: Add DMABUF support for PCI BAR regions - qemu-kvm) - Resolves: VOYAGER-48 (qemu-kvm coredump when using traditional smmuv3 device without any GPU device) - Resolves: VOYAGER-53 (qemu-kvm coredump when hotunplug NIC VF interface without smmuv3)
68 lines
2.6 KiB
Diff
68 lines
2.6 KiB
Diff
From 58cba97a715fa3f506234e718191fcc34286f333 Mon Sep 17 00:00:00 2001
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From: Eric Auger <eric.auger@redhat.com>
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Date: Fri, 7 Nov 2025 05:23:16 -0500
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Subject: [PATCH] hw/arm/virt: Use ACPI PCI hotplug by default from 10.2
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onwards
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RH-Author: Eric Auger <eric.auger@redhat.com>
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RH-MergeRequest: 422: hw/arm/virt: Use ACPI PCI hotplug by default from 10.2 onwards
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RH-Jira: RHEL-67323
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RH-Acked-by: Sebastian Ott <sebott@redhat.com>
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RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
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RH-Acked-by: Gavin Shan <gshan@redhat.com>
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RH-Acked-by: Igor Mammedov <imammedo@redhat.com>
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RH-Commit: [1/1] 4539ba6526fef80adb9893a643eb001449397447 (eauger1/centos-qemu-kvm)
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UPSTREAM: RHEL-only
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Use ACPI PCI hotplug by default from 10.2 onwards. For older
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rhel10 machine types and all rhel9 machine types ACPI PCI hotplug
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is kept disabled.
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Signed-off-by: Eric Auger <eric.auger@redhat.com>
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Patch-name: kvm-hw-arm-virt-Use-ACPI-PCI-hotplug-by-default-from-10..patch
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Patch-id: 40
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Patch-present-in-specfile: True
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---
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hw/arm/virt.c | 9 +++++++++
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1 file changed, 9 insertions(+)
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diff --git a/hw/arm/virt.c b/hw/arm/virt.c
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index dcdd53043e..542d702513 100644
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--- a/hw/arm/virt.c
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+++ b/hw/arm/virt.c
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@@ -94,9 +94,15 @@
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static GlobalProperty arm_virt_compat[] = {
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{ TYPE_VIRTIO_IOMMU_PCI, "aw-bits", "48" },
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+ { TYPE_ACPI_GED, "acpi-pci-hotplug-with-bridge-support", "on" },
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};
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static const size_t arm_virt_compat_len = G_N_ELEMENTS(arm_virt_compat);
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+GlobalProperty arm_acpi_pci_hp_disabled_compat[] = {
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+ { TYPE_ACPI_GED, "acpi-pci-hotplug-with-bridge-support", "off" },
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+};
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+static const size_t arm_acpi_pci_hp_disabled_compat_len = G_N_ELEMENTS(arm_virt_compat);
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+
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/*
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* RHEL9 kernels have pauth disabled while RHEL10 has it enabled,
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* since qemu will setup the VM with pauth when KVM supports it we
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@@ -104,6 +110,7 @@ static const size_t arm_virt_compat_len = G_N_ELEMENTS(arm_virt_compat);
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*/
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GlobalProperty arm_rhel9_compat[] = {
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{TYPE_ARM_CPU, "pauth", "off", .optional = true},
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+ {TYPE_ACPI_GED, "acpi-pci-hotplug-with-bridge-support", "off" },
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};
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const size_t arm_rhel9_compat_len = G_N_ELEMENTS(arm_rhel9_compat);
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@@ -3701,6 +3708,8 @@ static void virt_rhel_machine_10_0_0_options(MachineClass *mc)
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/* QEMU 9.1 and earlier have only a stage-1 SMMU, not a nested s1+2 one */
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vmc->no_nested_smmu = true;
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+ compat_props_add(mc->compat_props, arm_acpi_pci_hp_disabled_compat,
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+ arm_acpi_pci_hp_disabled_compat_len);
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compat_props_add(mc->compat_props, hw_compat_rhel_10_2, hw_compat_rhel_10_2_len);
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compat_props_add(mc->compat_props, hw_compat_rhel_10_1, hw_compat_rhel_10_1_len);
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}
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