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Re: [libvirt] [PATCH v2 0/3] Add "memfd" memory backing type



Hi

On Mon, Sep 17, 2018 at 5:15 PM <marcandre lureau redhat com> wrote:
>
> From: Marc-André Lureau <marcandre lureau redhat com>
>
> Hi,
>
> This is an alternative series from "[PATCH 0/5] Use memfd if
> possible". Instead of automatically using memfd for anonymous memory
> when available (as suggested by Daniel), it introduces the "memfd"
> memory backing type.
>
> Although using memfd transparently when possible is a good idea, it is
> a source of various complications for migration & save/restore. This
> could eventually be challenged in a different series.
>
> The first two patches have been modified and reviewed by John
> Ferlan. Hopefully they can be merged early, regardless of the last
> patch outcome, to avoid the painful rebase conflicts due to
> capabilities checks introduction.

ping,

There is a minor qemu caps conflict now, and version should be updated.

thanks

>
> Thanks
>
> Marc-André Lureau (3):
>   qemu: add memory-backend-memfd capability check
>   qemu: check memory-backend-memfd.hugetlb capability
>   qemu: add memfd source type
>
>  docs/formatdomain.html.in                     |   9 +-
>  docs/schemas/domaincommon.rng                 |   1 +
>  src/conf/domain_conf.c                        |   3 +-
>  src/conf/domain_conf.h                        |   1 +
>  src/qemu/qemu_capabilities.c                  |  10 ++
>  src/qemu/qemu_capabilities.h                  |   2 +
>  src/qemu/qemu_command.c                       |  69 +++++++----
>  src/qemu/qemu_domain.c                        |  12 +-
>  .../caps_2.12.0.aarch64.replies               |  94 ++++++++++++---
>  .../caps_2.12.0.aarch64.xml                   |   4 +-
>  .../caps_2.12.0.ppc64.replies                 |  90 +++++++++++---
>  .../caps_2.12.0.ppc64.xml                     |   4 +-
>  .../caps_2.12.0.s390x.replies                 |  98 ++++++++++++----
>  .../caps_2.12.0.s390x.xml                     |   4 +-
>  .../caps_2.12.0.x86_64.replies                | 110 +++++++++++++-----
>  .../caps_2.12.0.x86_64.xml                    |   4 +-
>  .../caps_3.0.0.ppc64.replies                  |  90 +++++++++++---
>  .../qemucapabilitiesdata/caps_3.0.0.ppc64.xml |   4 +-
>  .../caps_3.0.0.riscv32.replies                |  86 +++++++++++---
>  .../caps_3.0.0.riscv32.xml                    |   2 +
>  .../caps_3.0.0.riscv64.replies                |  86 +++++++++++---
>  .../caps_3.0.0.riscv64.xml                    |   2 +
>  .../caps_3.0.0.x86_64.replies                 | 110 +++++++++++++-----
>  .../caps_3.0.0.x86_64.xml                     |   4 +-
>  .../memfd-memory-numa.x86_64-latest.args      |  34 ++++++
>  tests/qemuxml2argvdata/memfd-memory-numa.xml  |  36 ++++++
>  tests/qemuxml2argvtest.c                      |   2 +
>  27 files changed, 788 insertions(+), 183 deletions(-)
>  create mode 100644 tests/qemuxml2argvdata/memfd-memory-numa.x86_64-latest.args
>  create mode 100644 tests/qemuxml2argvdata/memfd-memory-numa.xml
>
> --
> 2.19.0
>
> --
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-- 
Marc-André Lureau


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