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-rw-r--r--kernel/sched_rt.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index d3d1cccb3d7..50735bb9614 100644
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -934,6 +934,13 @@ static int find_lowest_rq(struct task_struct *task)
return -1; /* No targets found */
/*
+ * Only consider CPUs that are usable for migration.
+ * I guess we might want to change cpupri_find() to ignore those
+ * in the first place.
+ */
+ cpus_and(*lowest_mask, *lowest_mask, cpu_active_map);
+
+ /*
* At this point we have built a mask of cpus representing the
* lowest priority tasks in the system. Now we want to elect
* the best one based on our affinity and topology.