Re: [PATCH 1/2] xen: Implement ioctl to restrict privcmd to a specific domain

On Thu, 2014-07-31 at 15:43 +0100, Frediano Ziglio wrote:

The code just require that:
- sizeof(struct xen_domctl) does not increase;
- position and size of cmd, domain and interface_version does not
change;
- XEN_DOMCTL_createdomain is 1.

This is not a stable interface, so you cannot actually rely on any of
those.

For the first one in particular its not that hard to imagine someone
needing a larger subop struct at some point.

Ian.