Re: [RFC PATCH v4 18/20] vhost: Add VhostIOVATree

[Jason Wang]

On Tue, Oct 19, 2021 at 4:32 PM Jason Wang <jasowang@redhat.com> wrote:
>
>
> 在 2021/10/1 下午3:06, Eugenio Pérez 写道:
> > This tree is able to look for a translated address from an IOVA address.
> >
> > At first glance is similar to util/iova-tree. However, SVQ working on
> > devices with limited IOVA space need more capabilities, like allocating
> > IOVA chunks or perform reverse translations (qemu addresses to iova).
>
>
> I don't see any reverse translation is used in the shadow code. Or
> anything I missed?

Ok, it looks to me that it is used in the iova allocator. But I think
it's better to decouple it to an independent allocator instead of
vhost iova tree.

Thanks