On Wed, Nov 29, 2017 at 08:42:17PM +0800, Peter Xu wrote: > On Wed, Nov 29, 2017 at 01:33:11PM +0100, Mohammed Gamal wrote: > > [Resending for the second time] > > > > 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. > > Yes, IMHO this is ok even for 2.11. Michael, what do you think?
I think so too. > > > > > > 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 > > > > -- > Peter Xu