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authorThomas Gleixner <tglx@linutronix.de>2011-09-13 16:42:35 +0200
committerClark Williams <williams@redhat.com>2011-12-28 16:25:39 -0600
commitdd651b00f25c61dd326b9001f24c1547bcf47355 (patch)
treeac0aa1942dc55771ee85d3effb4951440ef0fcce
parent2ee834ba473738abb3301a920cdd40b307de737d (diff)
sched-disable-ttwu-queue.patch
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
-rw-r--r--kernel/sched_features.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/sched_features.h b/kernel/sched_features.h
index 84802245abd2..0007001f995e 100644
--- a/kernel/sched_features.h
+++ b/kernel/sched_features.h
@@ -60,11 +60,15 @@ SCHED_FEAT(OWNER_SPIN, 1)
*/
SCHED_FEAT(NONTASK_POWER, 1)
+#ifndef CONFIG_PREEMPT_RT_FULL
/*
* Queue remote wakeups on the target CPU and process them
* using the scheduler IPI. Reduces rq->lock contention/bounces.
*/
SCHED_FEAT(TTWU_QUEUE, 1)
+#else
+SCHED_FEAT(TTWU_QUEUE, 0)
+#endif
SCHED_FEAT(FORCE_SD_OVERLAP, 0)
SCHED_FEAT(RT_RUNTIME_SHARE, 1)