On 07/01/2020 15.26, Thomas Huth wrote: > On 12/12/2019 18.29, Paolo Bonzini wrote: >> Allow building microvm without x86-iommu.c and in turn hw/i386/pc.h. >> >> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> >> --- >> hw/i386/Kconfig | 6 ++++++ >> hw/i386/Makefile.objs | 3 ++- >> hw/i386/x86-iommu-stub.c | 34 ++++++++++++++++++++++++++++++++++ >> 3 files changed, 42 insertions(+), 1 deletions(-) >> create mode 100644 hw/i386/x86-iommu-stub.c > > I just ran into this strange Travis build issue: > > https://travis-ci.com/huth/qemu/jobs/273007378#L3509 > > ... I think it might be related to this patch? > > CONFIG_Q35 only does "imply AMD_IOMMU", so when compiling with > "--without-default-devices", x86-iommu.c is not used... Do > x86_iommu_ir_supported() and x86_iommu_get_type() need to be added to > the x86-iommu-stub.c file?
FWIW, I just found Phil's patch which should fix this issue: https://lists.gnu.org/archive/html/qemu-devel/2020-01/msg00959.html Thomas