Re: [Xen-devel] [PATCH v5 0/6] libxl: xs_restrict QEMU

[Fabio Fantoni <fabio.fantoni@xxxxxxx>]

Il 23/07/2015 19:26, Stefano Stabellini ha scritto:
> Hi all,
>
> this patch series changes libxl to start QEMU as device model with the
> new xsrestrict option (http://marc.info/?l=xen-devel&m=143341692707358).
> It also starts a second QEMU to provide PV backends in userspace (qdisk)
> to HVM guests.
Hi, I'm interested to test this serie.
xen patch "run QEMU as non-root" and qemu patch linked above are the 
only prerequisite or other are needed?
I saw that second patch is marked as [WIP], is it usable or I must wait 
to have it complete before test this serie?
Thanks for any reply and sorry for my bad english.

> Changes in v5:
> - improve commit messages with security details
>
> Changes in v4:
> - update xenstore-paths.markdown
> - add error message in case count > MAX_PHYSMAP_ENTRIES
> - add a note to xenstore-paths.markdown about the possible change in
> privilege level
> - only change permissions if xsrestrict is supported
>
> Changes in v3:
> - use LIBXL_TOOLSTACK_DOMID instead of 0 in the commit message
> - update commit message with more info on why it is safe
> - add a limit on the number of physmap entries to save and restore
> - add emulator_ids
> - mark patch #3 as WIP
> - use LIBXL_TOOLSTACK_DOMID instead of 0 in the commit message
> - change xs path to include the emulator_id
> - change qdisk-backend-pid path on xenstore
> - use dcs->dmss.pvqemu to spawn the second QEMU
> - keep track of the rc of both QEMUs before proceeding
>
>
> Stefano Stabellini (6):
>        libxl: do not add a vkb backend to hvm guests
>        [WIP] libxl: xsrestrict QEMU
>        libxl: allow /local/domain/$LIBXL_TOOLSTACK_DOMID/device-model/$DOMID to 
> be written by $DOMID
>        libxl: change xs path for QEMU
>        libxl: change qdisk-backend-pid path on xenstore
>        libxl: spawns two QEMUs for HVM guests
>
>   docs/misc/xenstore-paths.markdown |   30 ++++++++--
>   tools/libxl/libxl.c               |    2 +-
>   tools/libxl/libxl_create.c        |   58 +++++++++++++------
>   tools/libxl/libxl_device.c        |    2 +-
>   tools/libxl/libxl_dm.c            |  115 +++++++++++++++++++++++++++++++++----
>   tools/libxl/libxl_dom.c           |   19 ++++--
>   tools/libxl/libxl_internal.c      |   19 ++++--
>   tools/libxl/libxl_internal.h      |   15 ++++-
>   tools/libxl/libxl_pci.c           |   14 ++---
>   tools/libxl/libxl_utils.c         |   10 ++++
>   10 files changed, 225 insertions(+), 59 deletions(-)
>
> Cheers,
>
> Stefano
>
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