Re: [PATCH 0/6] gnttab: add per-domain controls

[Christian Lindig <christian.lindig@xxxxxxxxxx>]

> On 17 Sep 2021, at 16:46, Roger Pau Monne <roger.pau@xxxxxxxxxx> wrote:
> 
> Hello,
> 
> The first two patches of this series allows setting the preisoutly host
> wide command line `gnttab` option on a per domain basis. That means
> selecting the max allowed grant table version and whether transitive
> grants are allowed.
> 
> The last 4 patches attempt to implement support for creating guests
> without grant table support at all. This requires some changes to
> xenstore in order to map shared ring using foreign memory instead of
> grant table.
> 
> Note that patch 5 will break the save format for xenstore records, and
> should not be applied.

Has this relevance for the format used by oxenstored?

> 
> Thanks, Roger.
> 
> Roger Pau Monne (6):
>  gnttab: allow setting max version per-domain
>  grant: allow per-domain control over transitive grants
>  tools/console: use xenforeigmemory to map console ring
>  tools/xenstored: use atexit to close interfaces
>  tools/xenstored: restore support for mapping ring as foreign memory
>  gnttab: allow disabling grant table per-domain
> 
> docs/man/xl.cfg.5.pod.in                |  12 +++
> docs/man/xl.conf.5.pod.in               |  14 +++
> tools/console/Makefile                  |   4 +-
> tools/console/daemon/io.c               |  25 ++++-
> tools/helpers/init-xenstore-domain.c    |   1 +
> tools/include/libxl.h                   |  14 +++
> tools/libs/light/libxl_create.c         |   4 +
> tools/libs/light/libxl_dm.c             |   2 +
> tools/libs/light/libxl_dom.c            |   2 +-
> tools/libs/light/libxl_types.idl        |   2 +
> tools/ocaml/libs/xc/xenctrl.ml          |   5 +
> tools/ocaml/libs/xc/xenctrl.mli         |   5 +
> tools/ocaml/libs/xc/xenctrl_stubs.c     |  12 ++-
> tools/xenstore/Makefile                 |   4 +-
> tools/xenstore/include/xenstore_state.h |   1 +
> tools/xenstore/xenstored_core.h         |   2 +-
> tools/xenstore/xenstored_domain.c       | 120 +++++++++++++++---------
> tools/xl/xl.c                           |  15 +++
> tools/xl/xl.h                           |   2 +
> tools/xl/xl_parse.c                     |  13 +++
> xen/arch/arm/domain_build.c             |   4 +
> xen/arch/x86/setup.c                    |   2 +
> xen/common/domain.c                     |   4 +-
> xen/common/grant_table.c                | 119 ++++++++++++++++++++++-
> xen/include/public/domctl.h             |  13 ++-
> xen/include/xen/grant_table.h           |   7 +-
> 26 files changed, 341 insertions(+), 67 deletions(-)
> 
> -- 
> 2.33.0
>