[libvirt] [PATCH v1 0/3] Adding the 'ccf-assist' pSeries capability

Daniel Henrique Barboza posted 3 patches 4 years, 7 months ago
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git fetch https://github.com/patchew-project/libvirt tags/patchew/20190916183731.11268-1-danielhb413@gmail.com
There is a newer version of this series
docs/formatdomain.html.in                     |  9 +++++++++
docs/news.xml                                 |  9 +++++++++
docs/schemas/domaincommon.rng                 |  5 +++++
src/conf/domain_conf.c                        |  4 ++++
src/conf/domain_conf.h                        |  1 +
src/qemu/qemu_capabilities.c                  |  2 ++
src/qemu/qemu_capabilities.h                  |  1 +
src/qemu/qemu_command.c                       | 20 +++++++++++++++++++
src/qemu/qemu_domain.c                        |  1 +
.../qemucapabilitiesdata/caps_4.0.0.ppc64.xml |  1 +
tests/qemuxml2argvdata/pseries-features.args  |  2 +-
tests/qemuxml2argvdata/pseries-features.xml   |  1 +
tests/qemuxml2argvtest.c                      |  1 +
tests/qemuxml2xmloutdata/pseries-features.xml |  1 +
tests/qemuxml2xmltest.c                       |  1 +
15 files changed, 58 insertions(+), 1 deletion(-)
[libvirt] [PATCH v1 0/3] Adding the 'ccf-assist' pSeries capability
Posted by Daniel Henrique Barboza 4 years, 7 months ago
Hi,

This short series exposes, implements and documents a
pSeries guest capability called Count Cache Flush Assist
(ccf-assist), which was added in the Linux kernel since
5.1 and in QEMU since 4.0.0.

The reason why this capability needs to exposed via Libvirt
is because it is defaulted to 'off' in QEMU to not break
migration compatibility in the Power 9 processor class. However,
there is a performance gain in activating it, thus the user
might want to choose less migration options for more power.
More details can be found in the commit message of patch 1.


Daniel Henrique Barboza (3):
  qemu: Add capability for the ccf-assist pSeries feature
  qemu: Implement the ccf-assist pSeries feature
  news: Update for the ccf-assist pSeries feature

 docs/formatdomain.html.in                     |  9 +++++++++
 docs/news.xml                                 |  9 +++++++++
 docs/schemas/domaincommon.rng                 |  5 +++++
 src/conf/domain_conf.c                        |  4 ++++
 src/conf/domain_conf.h                        |  1 +
 src/qemu/qemu_capabilities.c                  |  2 ++
 src/qemu/qemu_capabilities.h                  |  1 +
 src/qemu/qemu_command.c                       | 20 +++++++++++++++++++
 src/qemu/qemu_domain.c                        |  1 +
 .../qemucapabilitiesdata/caps_4.0.0.ppc64.xml |  1 +
 tests/qemuxml2argvdata/pseries-features.args  |  2 +-
 tests/qemuxml2argvdata/pseries-features.xml   |  1 +
 tests/qemuxml2argvtest.c                      |  1 +
 tests/qemuxml2xmloutdata/pseries-features.xml |  1 +
 tests/qemuxml2xmltest.c                       |  1 +
 15 files changed, 58 insertions(+), 1 deletion(-)

-- 
2.21.0

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Re: [libvirt] [PATCH v1 0/3] Adding the 'ccf-assist' pSeries capability
Posted by Daniel Henrique Barboza 4 years, 6 months ago
Ping

On 9/16/19 3:37 PM, Daniel Henrique Barboza wrote:
> Hi,
>
> This short series exposes, implements and documents a
> pSeries guest capability called Count Cache Flush Assist
> (ccf-assist), which was added in the Linux kernel since
> 5.1 and in QEMU since 4.0.0.
>
> The reason why this capability needs to exposed via Libvirt
> is because it is defaulted to 'off' in QEMU to not break
> migration compatibility in the Power 9 processor class. However,
> there is a performance gain in activating it, thus the user
> might want to choose less migration options for more power.
> More details can be found in the commit message of patch 1.
>
>
> Daniel Henrique Barboza (3):
>    qemu: Add capability for the ccf-assist pSeries feature
>    qemu: Implement the ccf-assist pSeries feature
>    news: Update for the ccf-assist pSeries feature
>
>   docs/formatdomain.html.in                     |  9 +++++++++
>   docs/news.xml                                 |  9 +++++++++
>   docs/schemas/domaincommon.rng                 |  5 +++++
>   src/conf/domain_conf.c                        |  4 ++++
>   src/conf/domain_conf.h                        |  1 +
>   src/qemu/qemu_capabilities.c                  |  2 ++
>   src/qemu/qemu_capabilities.h                  |  1 +
>   src/qemu/qemu_command.c                       | 20 +++++++++++++++++++
>   src/qemu/qemu_domain.c                        |  1 +
>   .../qemucapabilitiesdata/caps_4.0.0.ppc64.xml |  1 +
>   tests/qemuxml2argvdata/pseries-features.args  |  2 +-
>   tests/qemuxml2argvdata/pseries-features.xml   |  1 +
>   tests/qemuxml2argvtest.c                      |  1 +
>   tests/qemuxml2xmloutdata/pseries-features.xml |  1 +
>   tests/qemuxml2xmltest.c                       |  1 +
>   15 files changed, 58 insertions(+), 1 deletion(-)
>

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