qemu: Add support for zero-copy migration

[libvirt PATCH 0/7] qemu: Add support for zero-copy migration

Jiri Denemark posted 7 patches 1 year, 10 months ago

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git fetch https://github.com/patchew-project/libvirt tags/patchew/cover.1655992592.git.jdenemar@redhat.com

docs/manpages/virsh.rst          |   7 +-
include/libvirt/libvirt-domain.h |   9 +++
src/qemu/qemu_domain.c           | 107 ++++++++++++++++++++-----------
src/qemu/qemu_domain.h           |   6 ++
src/qemu/qemu_migration.c        |  34 ++++++++--
src/qemu/qemu_migration.h        |   1 +
src/qemu/qemu_migration_params.c |   6 ++
src/qemu/qemu_migration_params.h |   1 +
tools/virsh-domain.c             |   7 ++
9 files changed, 136 insertions(+), 42 deletions(-)

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[libvirt PATCH 0/7] qemu: Add support for zero-copy migration

Posted by Jiri Denemark 1 year, 10 months ago

This series also fixes a few issues around memory locking limit in
migration code which I found while implementing the feature.

Jiri Denemark (7):
  qemu: Add qemuDomainSetMaxMemLock helper
  qemu_migration: Use qemuDomainSetMaxMemLock
  qemu_migration: Restore original memory locking limit
  qemu_migration: Don't set unlimited memlock limit for RDMA
  Add VIR_MIGRATE_ZEROCOPY flag
  virsh: Add support for VIR_MIGRATE_ZEROCOPY flag
  qemu_migration: Implement VIR_MIGRATE_ZEROCOPY flag

 docs/manpages/virsh.rst          |   7 +-
 include/libvirt/libvirt-domain.h |   9 +++
 src/qemu/qemu_domain.c           | 107 ++++++++++++++++++++-----------
 src/qemu/qemu_domain.h           |   6 ++
 src/qemu/qemu_migration.c        |  34 ++++++++--
 src/qemu/qemu_migration.h        |   1 +
 src/qemu/qemu_migration_params.c |   6 ++
 src/qemu/qemu_migration_params.h |   1 +
 tools/virsh-domain.c             |   7 ++
 9 files changed, 136 insertions(+), 42 deletions(-)

-- 
2.35.1

Re: [libvirt PATCH 0/7] qemu: Add support for zero-copy migration

Posted by Ján Tomko 1 year, 10 months ago

On a Thursday in 2022, Jiri Denemark wrote:
>This series also fixes a few issues around memory locking limit in
>migration code which I found while implementing the feature.
>
>Jiri Denemark (7):
>  qemu: Add qemuDomainSetMaxMemLock helper
>  qemu_migration: Use qemuDomainSetMaxMemLock
>  qemu_migration: Restore original memory locking limit
>  qemu_migration: Don't set unlimited memlock limit for RDMA
>  Add VIR_MIGRATE_ZEROCOPY flag
>  virsh: Add support for VIR_MIGRATE_ZEROCOPY flag
>  qemu_migration: Implement VIR_MIGRATE_ZEROCOPY flag
>
> docs/manpages/virsh.rst          |   7 +-
> include/libvirt/libvirt-domain.h |   9 +++
> src/qemu/qemu_domain.c           | 107 ++++++++++++++++++++-----------
> src/qemu/qemu_domain.h           |   6 ++
> src/qemu/qemu_migration.c        |  34 ++++++++--
> src/qemu/qemu_migration.h        |   1 +
> src/qemu/qemu_migration_params.c |   6 ++
> src/qemu/qemu_migration_params.h |   1 +
> tools/virsh-domain.c             |   7 ++
> 9 files changed, 136 insertions(+), 42 deletions(-)
>

Reviewed-by: Ján Tomko <jtomko@redhat.com>

Jano