On 02/11/20 18:37, Alex Williamson wrote: > I think we still have the issue at the vfio ioctl which takes __u64 iova > and size parameters, in bytes. Therefore we cannot unmap an entire > 64-bit address space with a single ioctl call. We'd need to make use > of a flag to modify the ioctl behavior to work terms of some page size > to achieve this, for example if iova and size were in terms of 4K > pages, we wouldn't have this issue. Thanks,
What happens to the last page if size is unaligned (e.g. iova==0, size== 2^64-1)? Paolo
