Ping.. It seems that the final release for QEMU 3.0 will be out soon [1]. But this fix hasn't been merged yet.
[1] https://lists.nongnu.org/archive/html/qemu-devel/2018-07/msg06004.html Thanks, Tiwei On Fri, Jul 20, 2018 at 04:36:44PM +0800, Tiwei Bie wrote: > Check region type first before casting the memory region > to IOMMUMemoryRegion. Otherwise QEMU will abort with below > error message when casting non-IOMMU memory region: > > vhost_iommu_region_add: Object 0x561f28bce4f0 is not an > instance of type qemu:iommu-memory-region > > Fixes: cb1efcf462a2 ("iommu: Add IOMMU index argument to notifier APIs") > Cc: Peter Maydell <peter.mayd...@linaro.org> > > Signed-off-by: Tiwei Bie <tiwei....@intel.com> > --- > hw/virtio/vhost.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c > index b129cb9ddd..d4cb5894a8 100644 > --- a/hw/virtio/vhost.c > +++ b/hw/virtio/vhost.c > @@ -663,12 +663,14 @@ static void vhost_iommu_region_add(MemoryListener > *listener, > struct vhost_iommu *iommu; > Int128 end; > int iommu_idx; > - IOMMUMemoryRegion *iommu_mr = IOMMU_MEMORY_REGION(section->mr); > + IOMMUMemoryRegion *iommu_mr; > > if (!memory_region_is_iommu(section->mr)) { > return; > } > > + iommu_mr = IOMMU_MEMORY_REGION(section->mr); > + > iommu = g_malloc0(sizeof(*iommu)); > end = int128_add(int128_make64(section->offset_within_region), > section->size); > -- > 2.18.0 > >