[libvirt] [PATCH 0/2] Add 'l2-cache-size' property to specify maximum size of the L2 table cache for qcow2 image

[John Ferlan]

On 11/14/2017 08:58 PM, Lin Ma wrote:
> Lin Ma (2):
>   caps: Add capability for maximum size of the qcow2 L2 table cache
>   qemu: Add support for 'l2-cache-size' property of qcow2
> 

There's already something on list about l2 cache, see

https://www.redhat.com/archives/libvir-list/2017-September/msg00553.html

it adds 3 related variables. IIRC, the "hold up" is how best to describe
how to use it or provide the feature in such a way that it's
"understandable" for general consumption without making a "policy" that
generates certain values based on expected usage/needs for the client.

John

>  docs/formatdomain.html.in                          | 11 +++++++
>  docs/schemas/domaincommon.rng                      |  5 ++++
>  src/conf/domain_conf.c                             | 11 +++++++
>  src/conf/domain_conf.h                             |  1 +
>  src/qemu/qemu_capabilities.c                       |  5 ++++
>  src/qemu/qemu_capabilities.h                       |  1 +
>  src/qemu/qemu_command.c                            | 18 ++++++++++++
>  .../caps_2.10.0-gicv2.aarch64.xml                  |  1 +
>  .../caps_2.10.0-gicv3.aarch64.xml                  |  1 +
>  tests/qemucapabilitiesdata/caps_2.10.0.ppc64.xml   |  1 +
>  tests/qemucapabilitiesdata/caps_2.10.0.s390x.xml   |  1 +
>  tests/qemucapabilitiesdata/caps_2.10.0.x86_64.xml  |  1 +
>  tests/qemucapabilitiesdata/caps_2.5.0.x86_64.xml   |  1 +
>  .../caps_2.6.0-gicv2.aarch64.xml                   |  1 +
>  .../caps_2.6.0-gicv3.aarch64.xml                   |  1 +
>  tests/qemucapabilitiesdata/caps_2.6.0.ppc64.xml    |  1 +
>  tests/qemucapabilitiesdata/caps_2.6.0.x86_64.xml   |  1 +
>  tests/qemucapabilitiesdata/caps_2.7.0.s390x.xml    |  1 +
>  tests/qemucapabilitiesdata/caps_2.7.0.x86_64.xml   |  1 +
>  tests/qemucapabilitiesdata/caps_2.8.0.s390x.xml    |  1 +
>  tests/qemucapabilitiesdata/caps_2.8.0.x86_64.xml   |  1 +
>  tests/qemucapabilitiesdata/caps_2.9.0.ppc64.xml    |  1 +
>  tests/qemucapabilitiesdata/caps_2.9.0.s390x.xml    |  1 +
>  tests/qemucapabilitiesdata/caps_2.9.0.x86_64.xml   |  1 +
>  .../qemuxml2argv-disk-drive-l2-cache-size.args     | 24 +++++++++++++++
>  .../qemuxml2argv-disk-drive-l2-cache-size.xml      | 34 ++++++++++++++++++++++
>  tests/qemuxml2argvtest.c                           |  2 ++
>  .../qemuxml2xmlout-disk-drive-l2-cache-size.xml    | 34 ++++++++++++++++++++++
>  tests/qemuxml2xmltest.c                            |  1 +
>  29 files changed, 164 insertions(+)
>  create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-l2-cache-size.args
>  create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-disk-drive-l2-cache-size.xml
>  create mode 100644 tests/qemuxml2xmloutdata/qemuxml2xmlout-disk-drive-l2-cache-size.xml
>