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-rw-r--r--kernel/sched_features.h1
-rw-r--r--kernel/sched_rt.c3
2 files changed, 4 insertions, 0 deletions
diff --git a/kernel/sched_features.h b/kernel/sched_features.h
index efa0a7b..8480224 100644
--- a/kernel/sched_features.h
+++ b/kernel/sched_features.h
@@ -67,3 +67,4 @@ SCHED_FEAT(NONTASK_POWER, 1)
SCHED_FEAT(TTWU_QUEUE, 1)
SCHED_FEAT(FORCE_SD_OVERLAP, 0)
+SCHED_FEAT(RT_RUNTIME_SHARE, 1)
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index 056cbd2..583a136 100644
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -560,6 +560,9 @@ static int balance_runtime(struct rt_rq *rt_rq)
{
int more = 0;
+ if (!sched_feat(RT_RUNTIME_SHARE))
+ return more;
+
if (rt_rq->rt_time > rt_rq->rt_runtime) {
raw_spin_unlock(&rt_rq->rt_runtime_lock);
more = do_balance_runtime(rt_rq);