Re: [libvirt PATCH v2 79/81] Introduce VIR_JOB_MIGRATION_SAFE job type

This is a special job for operations that need to modify domain state during an active migration. The modification must not affect any state that could conflict with the migration code. This is useful mainly for event handlers that need to be processed during migration and which could otherwise time out on acquiring a normal MODIFY job. Signed-off-by: Jiri Denemark <jdenemar(a)redhat.com&gt; --- Notes: Version 2: - new patch src/hypervisor/domain_job.c | 1 + src/hypervisor/domain_job.h | 4 ++++ src/qemu/qemu_migration.c | 1 + src/qemu/qemu_process.c | 7 +++++++ 4 files changed, 13 insertions(+)

diff --git a/src/hypervisor/domain_job.h b/src/hypervisor/domain_job.h index fce35ffbf5..24bb93c59f 100644 --- a/src/hypervisor/domain_job.h +++ b/src/hypervisor/domain_job.h @@ -31,6 +31,10 @@ typedef enum { VIR_JOB_MODIFY, /* May change state */ VIR_JOB_ABORT, /* Abort current async job */ VIR_JOB_MIGRATION_OP, /* Operation influencing outgoing migration */ + VIR_JOB_MIGRATION_SAFE, /* Internal only job for event handlers which need + to be processed even during migration. The code + may only change state in a way that does not + affect migration. */