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



Hi
On Thu, Nov 8, 2018 at 4:40 PM Marc-André Lureau
<marcandre lureau gmail com> wrote:
>
> 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.
>

fwiw, I pushed an updated tree
https://github.com/elmarco/libvirt/commits/memfd

waiting for some feedback on v2 before resending.

> 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
> >
> > --
> > libvir-list mailing list
> > libvir-list redhat com
> > https://www.redhat.com/mailman/listinfo/libvir-list
>
>
>
> --
> Marc-André Lureau



-- 
Marc-André Lureau


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