Add FIXME for crashes of C-EDF when reloading the cluster conf. on big SMP

- reloading the cluster configuration of C-EDF on big SMP machines is
  causing troubles as we do not check (ATM) that the plugin is used on
  some processor when we unload it

1 files changed, 5 insertions, 1 deletions

diff --git a/litmus/litmus.c b/litmus/litmus.c
index a62ec1455cef..70a7f628455b 100644
--- a/litmus/litmus.c
+++ b/litmus/litmus.c
@@ -374,8 +374,12 @@ void litmus_exit_task(struct task_struct* tsk)
  * (and that none is created in parallel) and that the plugin is not
  * currently in use on any processor (in theory).
  *
- * For now, we don't enforce the second part since it is unlikely to cause
+ * FIXME we don't enforce the second part since it is unlikely to cause
  * any trouble by itself as long as we don't unload modules.
+ * - This is causing problems with C-EDF when reloading clusters configuration
+ *   on big SMP machines (e.g., 24 cores). The plugin is in use on some
+ *   processor when we unload is, and this cause troubles as 
+ *   we free the clusters while these are used :(
  */
 int switch_sched_plugin(struct sched_plugin* plugin)
 {