I have folded in the comments so far and made a prototype v7 series,
which is here:
http://xenbits.xen.org/gitweb/?p=people/iwj/qemu.git;a=summary
https://xenbits.xen.org/git-http/people/iwj/qemu.git
git://xenbits.xen.org/people/iwj/qemu.git
In the branch
master..xen-restrict-v7.0
I
This just-amended series provides necessary support for running qemu
as a Xen device model without power equivalent to root. In
particular, it makes -xen-domid-restrict effective.
Compared to v6, it fixes some minor checkpatch, style and portability
issues. Sorry for the earlier troubled
