migration: introduce self_announce_delay()

This patch introduces self_announce_delay() to calculate the delay for
the next announce round. This could be used by other device e.g
virtio-net who wants to do announcing by itself.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/savevm.c b/savevm.c
index ebffb56a12..6cbdaacacd 100644
--- a/savevm.c
+++ b/savevm.c
@@ -97,7 +97,7 @@ static void qemu_announce_self_once(void *opaque)
     if (--count) {
         /* delay 50ms, 150ms, 250ms, ... */
         timer_mod(timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) +
-                       50 + (SELF_ANNOUNCE_ROUNDS - count - 1) * 100);
+                  self_announce_delay(count));
     } else {
             timer_del(timer);
             timer_free(timer);