[libvirt] [PATCH v3 00/24] Add support for migration events

[Peter Krempa]

On Wed, Jun 10, 2015 at 15:42:34 +0200, Jiri Denemark wrote:
> QEMU will soon (patches are available on qemu-devel) get support for
> migration events which will finally allow us to get rid of polling
> query-migrate every 50ms. However, we first need to be able to wait for
> all events related to migration (migration status changes, block job
> events, async abort requests) at once. This series prepares the
> infrastructure and uses it to switch all polling loops in migration code
> to pthread_cond_wait.
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=1212077
> 
> Version 3 (see individual patches for details):
> - most of the series has been ACKed in v2
> - "qemu: Use domain condition for synchronous block jobs" was split in 3
>   patches for easier review
> - minor changes requested in v2 review
> 
> Version 2 (see individual patches for details):
> - rewritten using per-domain condition variable
> - enahnced to fully support the migration events
> 
> 
> Jiri Denemark (24):
>   conf: Introduce per-domain condition variable
>   qemu: Introduce qemuBlockJobUpdate
>   qemu: Properly report failed migration
>   qemu: Use domain condition for synchronous block jobs
>   qemu: Cancel storage migration in parallel
>   qemu: Abort migration early if disk mirror failed
>   qemu: Don't mess with disk->mirrorState
>   Pass domain object to private data formatter/parser
>   qemu: Make qemuMigrationCancelDriveMirror usable without async job
>   qemu: Refactor qemuMonitorBlockJobInfo
>   qemu: Cancel disk mirrors after libvirtd restart
>   qemu: Use domain condition for asyncAbort
>   qemu_monitor: Wire up SPICE_MIGRATE_COMPLETED event
>   qemu: Do not poll for spice migration status
>   qemu: Refactor qemuDomainGetJob{Info,Stats}
>   qemu: Refactor qemuMigrationUpdateJobStatus
>   qemu: Don't pass redundant job name around
>   qemu: Refactor qemuMigrationWaitForCompletion
>   qemu_monitor: Wire up MIGRATION event
>   qemuDomainGetJobStatsInternal: Support migration events
>   qemu: Update migration state according to MIGRATION event
>   qemu: Wait for migration events on domain condition
>   qemu: cancel drive mirrors when p2p connection breaks

ACK to the above ones once qemu accepts the event stuff.

Peter

>   DO NOT APPLY: qemu: Work around weird migration status changes
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