Re: [Xen-devel] [RFC] XI Shadow Page Table Mechanism

[Anthony Liguori <aliguori@xxxxxxxxxx>]

Where can we look at the code?

Regards,

Anthony Liguori

Ben Thomas wrote:
> This post contains the design document for what is currently known
> as the "XI Shadow Mechanism".  This is a design for shadow
> page table code for fully virtualized HVM domains running on a 64-bit
> Xen hypervisor.
>
> This work was undertaken to address a number of goals.  These are
> enumerated in the document and include:
>
> - ability to run fully virtualized 32, 32PAE and 64 bit guest
>   domains concurrently on a 64-bit hypervisor
>
> - support live migration of fully virtualized domains
>
> - provide good performance and robustness
>
> This design has been implemented and is currently being tested.
> It has been supporting the variety of memory models as noted above,
> and using widely used Windows and Linux distributions (SuSe,
> RedHat and others). At a point in the near future, a patch
> will be available.
>
> This design center is the x86-64 architecture. It is not our
> intent to completely replace all shadow page management, and
> we've attempted to limit the scope of change.
>
> A preliminary version of this design concept has undergone
> brief review with some members of the Xen community. We hope
> that this is of value to the Xen community and welcome your
> feedback and comments.
>
> Thanks,
> -b
>
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