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



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

-- 
1.7.9.5


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