Starting qemu with
qemu-system-x86_64 -S -M isapc -device {amd|intel}-iommu
leads to a segfault. The code assume PCI bus is present and
tries to access the bus structure without checking.The patch series moves the error checks from vtd_realize() and amdvi_realize() to the generic x86_iommu_realize() and adds a check for PCI bus presence. Mohammed Gamal (2): x86_iommu: Move machine check to x86_iommu_realize() x86_iommu: check if machine has PCI bus hw/i386/amd_iommu.c | 13 ++----------- hw/i386/intel_iommu.c | 13 ++----------- hw/i386/x86-iommu.c | 13 +++++++++++++ 3 files changed, 17 insertions(+), 22 deletions(-) -- 1.8.3.1
