Re: [Xen-devel] [PATCH v5 0/6] Allow setting up shared memory areas between VMs from xl config files

[Stefano Stabellini <sstabellini@xxxxxxxxxx>]

No problem, thank you for your work on this.

On Sat, 26 May 2018, Zhongze Liu wrote:
> Hi Stefano,
> 
> Thank you very much for your fixes. It seems that you've addressed all
> the issues during the last round of reviews.
> I'm sorry for my off-and-on contribution time, which has largely
> delayed the process of merging the patch set.
> Please tell me if you need anything from me.
> 
> Cheers,
> Zhongze Liu
> 
> 2018-05-25 8:55 GMT+08:00 Stefano Stabellini <sstabellini@xxxxxxxxxx>:
> > Hi,
> >
> > This series implements a new xl config entry. Users can use the new
> > config entry to statically setup shared memory areas among VMs that
> > don't have grant table support so that they could communicate with each
> > other through the static shared memory areas.
> >
> > It was originally developed by Zhongze, I am just updating the last few
> > issued that were address during the last round of reviews in January. I
> > tested the feature on ARM and works fine.
> >
> > Cheers,
> >
> > Stefano
> >
> >
> > Zhongze Liu (6):
> >       xen: xsm: flask: introduce XENMAPSPACE_gmfn_share for memory sharing
> >       libxl: introduce a new structure to represent static shared memory 
> > regions
> >       libxl: support mapping static shared memory areas during domain 
> > creation
> >       libxl: support unmapping static shared memory areas during domain 
> > destruction
> >       libxl:xl: add parsing code to parse "libxl_static_sshm" from xl 
> > config files
> >       docs: documentation about static shared memory regions
> >
> >  docs/man/xl-static-shm-configuration.pod.5 | 257 +++++++++++++++
> >  docs/man/xl.cfg.pod.5.in                   |   8 +
> >  docs/misc/xenstore-paths.markdown          |  47 +++
> >  tools/flask/policy/modules/xen.if          |   2 +
> >  tools/libxl/Makefile                       |   4 +-
> >  tools/libxl/libxl.h                        |   6 +
> >  tools/libxl/libxl_arch.h                   |   6 +
> >  tools/libxl/libxl_arm.c                    |  15 +
> >  tools/libxl/libxl_create.c                 |  27 ++
> >  tools/libxl/libxl_domain.c                 |   5 +
> >  tools/libxl/libxl_internal.h               |  16 +
> >  tools/libxl/libxl_sshm.c                   | 512 
> > +++++++++++++++++++++++++++++
> >  tools/libxl/libxl_types.idl                |  32 +-
> >  tools/libxl/libxl_x86.c                    |  19 ++
> >  tools/libxl/libxlu_sshm.c                  | 207 ++++++++++++
> >  tools/libxl/libxlutil.h                    |   6 +
> >  tools/xl/xl_parse.c                        |  25 +-
> >  xen/arch/arm/mm.c                          |   7 +-
> >  xen/include/public/memory.h                |   8 +
> >  xen/include/xsm/dummy.h                    |  15 +
> >  xen/include/xsm/xsm.h                      |   6 +
> >  xen/xsm/dummy.c                            |   1 +
> >  xen/xsm/flask/hooks.c                      |  12 +
> >  xen/xsm/flask/policy/access_vectors        |   5 +
> >  24 files changed, 1242 insertions(+), 6 deletions(-)
> >  create mode 100644 docs/man/xl-static-shm-configuration.pod.5
> >  create mode 100644 tools/libxl/libxl_sshm.c
> >  create mode 100644 tools/libxl/libxlu_sshm.c
> 

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