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migration, vl: start migration via qmp_migrate_incoming

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Make qemu_start_incoming_migration local to migration/migration.c.
By using the runstate instead of a separate flag, vl need not do
anything to setup deferred incoming migration.

qmp_migrate_incoming also does not need the deferred_incoming flag
anymore, because "-incoming PROTOCOL" will clear the "once" flag
before the main loop starts.  Therefore, later invocations of
the migrate-incoming command will fail with the existing
"The incoming migration has already been started" error message.

Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2020-10-27 04:22:57 -04:00
parent cca686b44a
commit e69d50d621
3 changed files with 15 additions and 30 deletions
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1
include/migration/misc.h
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@ -58,7 +58,6 @@ void dump_vmstate_json_to_file(FILE *out_fp);
/* migration/migration.c */
void migration_object_init(void);
void migration_shutdown(void);
void qemu_start_incoming_migration(const char *uri, Error **errp);
bool migration_is_idle(void);
bool migration_is_active(MigrationState *);
void add_migration_state_change_notifier(Notifier *notify);