Re: [RFC v2 0/6] xen/arm: Support guest VM save/restore/migration

[Julien Grall <julien.grall@linaro.org>]

Hello Wei,

I guess you've sent the patch series twice by error?

Regards,

On 15/04/14 22:05, Wei Huang wrote:
> This series is RFC v2 for save/restore/migration. The following
> areas have been addressed:
>    * save and restore of guest states is split into specific areas (and files)
>    * get XENMEM_maximum_gpfn is now supported via P2M max_mapped_gfn.
>    * name and layout of some functions
>    * small areas commented by Julien Grall and Andrew Cooper
>
> Note that:
>    * previous comments by Ian are being examined.
>    * patch 3-6 need more review attenion.
>    * Rev v3 will be sent out soon.
>
> Let me know if there are issues with the design.
>
> Thanks,
> -Wei
>
>    xen/arm: Save and restore support with hvm context hypercalls
>    xen/arm: implement support for XENMEM_maximum_gpfn hypercall
>    xen/arm: support guest do_suspend function
>    xen/arm: Implement VLPT for guest p2m mapping in live migration
>    xen/arm: Implement hypercall for dirty page tracing
>    xen/arm: Implement toolstack for xl restore/save and migrate
>
>   config/arm32.mk                        |    1 +
>   config/arm64.mk                        |    1 +
>   tools/libxc/Makefile                   |    6 +-
>   tools/libxc/xc_arm_migrate.c           |  702 ++++++++++++++++++++++++++++++++
>   tools/libxc/xc_dom_arm.c               |    4 +-
>   tools/libxc/xc_resume.c                |   25 ++
>   tools/libxl/libxl.h                    |    3 -
>   tools/misc/Makefile                    |    4 +-
>   xen/arch/arm/Makefile                  |    1 +
>   xen/arch/arm/domain.c                  |   19 +
>   xen/arch/arm/domctl.c                  |   21 +
>   xen/arch/arm/hvm.c                     |  268 +++++++++++-
>   xen/arch/arm/mm.c                      |  242 ++++++++++-
>   xen/arch/arm/p2m.c                     |  211 ++++++++++
>   xen/arch/arm/save.c                    |   65 +++
>   xen/arch/arm/traps.c                   |   11 +
>   xen/arch/arm/vgic.c                    |  146 +++++++
>   xen/arch/arm/vtimer.c                  |   71 ++++
>   xen/arch/x86/domctl.c                  |   70 ----
>   xen/common/Makefile                    |    2 +-
>   xen/common/domctl.c                    |   74 ++++
>   xen/include/asm-arm/config.h           |    7 +
>   xen/include/asm-arm/domain.h           |   14 +
>   xen/include/asm-arm/hvm/support.h      |   29 ++
>   xen/include/asm-arm/mm.h               |   28 ++
>   xen/include/asm-arm/p2m.h              |    8 +-
>   xen/include/asm-arm/processor.h        |    2 +
>   xen/include/public/arch-arm/hvm/save.h |  130 ++++++
>   28 files changed, 2083 insertions(+), 82 deletions(-)
>   create mode 100644 tools/libxc/xc_arm_migrate.c
>   create mode 100644 xen/arch/arm/save.c
>   create mode 100644 xen/include/asm-arm/hvm/support.h
>

-- 
Julien Grall