migration: allow enabling mutilfd for specific protocol only
To: <quintela@redhat.com>, <dgilbert@redhat.com>, <qemu-devel@nongnu.org>
CC: Li Zhijian <lizhijian@cn.fujitsu.com>
Date: Sat, 31 Jul 2021 22:05:52 +0800 (5 weeks, 4 days, 17 hours ago)
And change the default to true so that in '-incoming defer' case, user is able
to change multifd capability.
Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
diff --git a/migration/migration.c b/migration/migration.c
index f13b07c..9172686 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1237,6 +1237,14 @@
}
}
+ /* incoming side only */
+ if (runstate_check(RUN_STATE_INMIGRATE) &&
+ !migrate_multifd_is_allowed() &&
+ cap_list[MIGRATION_CAPABILITY_MULTIFD]) {
+ error_setg(errp, "multifd is not supported by current protocol");
+ return false;
+ }
+
return true;
}