On Tue, Jan 31, 2017 at 02:35:00PM +1100, David Gibson wrote:
> On Tue, Jan 24, 2017 at 09:32:07AM -0700, Alex Williamson wrote:
> > On Tue, 24 Jan 2017 18:25:56 +0800
> > Peter Xu wrote:
> >
> > > Linux vfio driver supports to do VFIO_IOMMU_UNMAP_DMA for a very big
> > >
On Tue, Jan 24, 2017 at 09:32:07AM -0700, Alex Williamson wrote:
> On Tue, 24 Jan 2017 18:25:56 +0800
> Peter Xu wrote:
>
> > Linux vfio driver supports to do VFIO_IOMMU_UNMAP_DMA for a very big
> > region. This can be leveraged by QEMU IOMMU implementation to cleanup
> >
On Tue, 24 Jan 2017 18:25:56 +0800
Peter Xu wrote:
> Linux vfio driver supports to do VFIO_IOMMU_UNMAP_DMA for a very big
> region. This can be leveraged by QEMU IOMMU implementation to cleanup
> existing page mappings for an entire iova address space (by notifying
> with an
Linux vfio driver supports to do VFIO_IOMMU_UNMAP_DMA for a very big
region. This can be leveraged by QEMU IOMMU implementation to cleanup
existing page mappings for an entire iova address space (by notifying
with an IOTLB with extremely huge addr_mask). However current
vfio_iommu_map_notify()