memory: switch memory listeners to a QTAILQ

This allows reverse iteration, which in turns allows consistent ordering
among multiple listeners:

  l1->add
  l2->add
  l2->del
  l1->del

Signed-off-by: Avi Kivity <avi@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/hw/vhost.c b/hw/vhost.c
index 5ece659f4a..47371454f4 100644
--- a/hw/vhost.c
+++ b/hw/vhost.c
@@ -751,6 +751,7 @@ int vhost_dev_init(struct vhost_dev *hdev, int devfd, bool force)
         .log_sync = vhost_log_sync,
         .log_global_start = vhost_log_global_start,
         .log_global_stop = vhost_log_global_stop,
+        .priority = 10
     };
     hdev->mem = g_malloc0(offsetof(struct vhost_memory, regions));
     hdev->n_mem_sections = 0;