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charset="utf-8" From: Rahul Singh Current code skip the mapping for PCI bridge MMIO region to dom0 when pci_passthrough_enabled flag is set. Mapping should be skip when has_vpci(d) is enabled for the domain, as we need to skip the mapping only when VPCI handler are registered for ECAM. Signed-off-by: Rahul Singh Signed-off-by: Stewart Hildebrand Acked-by: Julien Grall --- This patch was originally picked up from [1] v6->v7: * add Julien's A-b v5->v6: * drop unrelated change in xen/arch/arm/domain_build.c:handle_linux_pci_dom= ain() v4->v5: * new patch changes since picking up from [1]: * rebase on top of "dynamic node programming using overlay dtbo" series * replace !is_pci_passthrough_enabled() check with !IS_ENABLED(CONFIG_HAS_P= CI) instead of removing [1] https://lists.xenproject.org/archives/html/xen-devel/2023-07/msg00483.h= tml --- xen/arch/arm/device.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/xen/arch/arm/device.c b/xen/arch/arm/device.c index 5610cddcba..25847d60ee 100644 --- a/xen/arch/arm/device.c +++ b/xen/arch/arm/device.c @@ -268,7 +268,7 @@ int handle_device(struct domain *d, struct dt_device_no= de *dev, p2m_type_t p2mt, .d =3D d, .p2mt =3D p2mt, .skip_mapping =3D !own_device || - (is_pci_passthrough_enabled() && + (has_vpci(d) && (device_get_class(dev) =3D=3D DEVICE_PCI_HOSTBRIDG= E)), .iomem_ranges =3D iomem_ranges, .irq_ranges =3D irq_ranges --=20 2.34.1