[PATCH v5 0/6] xen/arm: live migration support in arndale board

[PATCH v5 0/6] xen/arm: live migration support in arndale board

[Jaeyong Yoo]

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Hello!

here goes the v5 patch series. The major changes in this version are the
following:

 

  1) Save and restore the vcpu-related registers in hvm context. (In patch
1)

 

  2) Rather than using set_memory_map hypercall use GUEST_RAM_BASE macro as
the start

     of physical address of guest RAM and just let the hypervisor know the

     maximum memory of guest (In patch 2 and 6)

 

  3) Use bitmap for temporary saving the dirty pages rather than linked
list.

    (In patch 5)

 

 

Patch 1 implements hvm save/restore (including vcpu).

 

Patch 2 implements 'get_maximum_gpfn' hypercall

 

Patch 3 implements 'modify_returncode' for switching the return value of
suspend hypercall from domU.

 

Patch 4 implements base functions for VLPT.

 

Patch 5 implements dirty-page tracing by using VLPT.

 

Patch 6 implements the toolstack part for live migration of ARM.

 

NOTE: In this version, I do not use the p2m walker infrastructure for
p2m_change_entry_type_global. 

I think I can apply it after Stefano's patch is commited. 

 

Best,

Jaeyong

 

 

Alexey Sokolov (2):

  xen/arm: Implement modify_returncode

  xen/arm: Implement toolstack for xl restore/save and migrate

 

Evgeny Fedotov (2):

  xen/arm: Implement hvm save and restore

  xen/arm: Implement get_maximum_gpfn hypercall for arm

 

Jaeyong Yoo (2):

  xen/arm: Implement virtual-linear page table for guest p2m mapping in

    live migration

  xen/arm: Implement hypercall for dirty page tracing

 

config/arm32.mk                        |   1 +

tools/libxc/Makefile                   |   6 +-

tools/libxc/xc_arm_migrate.c           | 712
+++++++++++++++++++++++++++++++++

tools/libxc/xc_dom_arm.c               |   4 +-

tools/libxc/xc_resume.c                |  25 ++

tools/misc/Makefile                    |   4 +-

xen/arch/arm/Makefile                  |   1 +

xen/arch/arm/domain.c                  |  19 +

xen/arch/arm/domctl.c                  |  98 ++++-

xen/arch/arm/hvm.c                     | 464 ++++++++++++++++++++-

xen/arch/arm/mm.c                      | 237 ++++++++++-

xen/arch/arm/p2m.c                     | 206 ++++++++++

xen/arch/arm/save.c                    |  66 +++

xen/arch/arm/traps.c                   |   9 +

xen/common/Makefile                    |   2 +

xen/include/asm-arm/arm32/page.h       |  41 +-

xen/include/asm-arm/config.h           |   5 +

xen/include/asm-arm/domain.h           |  14 +

xen/include/asm-arm/hvm/support.h      |  29 ++

xen/include/asm-arm/mm.h               |  24 ++

xen/include/asm-arm/p2m.h              |   4 +

xen/include/asm-arm/processor.h        |   2 +

xen/include/public/arch-arm/hvm/save.h | 130 ++++++

23 files changed, 2084 insertions(+), 19 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

 

--

1.8.1.2


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Re: [PATCH v5 0/6] xen/arm: live migration support in arndale board

[Ian Campbell]

On Wed, 2013-11-06 at 12:43 +0900, Jaeyong Yoo wrote:
> Hello!
> 
> here goes the v5 patch series.

I'm afraid that at leas the first two patches (and probably all of them)
are whitespace corrupted.

git send-email is quite good at avoid these sorts of things, see
http://wiki.xen.org/wiki/Submitting_Xen_Patches#Git_send-email

It also has the affect of chaining the patches together into a thread,
which is very useful for reviewers and committers to be sure they are
getting a consistent set of patches etc.

Ian.