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From 4bd4cc832c6ac890dc418173b43df367588064fc Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 13 Sep 2011 16:42:35 +0200
Subject: [PATCH 132/271] sched-disable-ttwu-queue.patch
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/sched/features.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/kernel/sched/features.h b/kernel/sched/features.h
index de00a48..27afd1e 100644
--- a/kernel/sched/features.h
+++ b/kernel/sched/features.h
@@ -60,11 +60,15 @@ SCHED_FEAT(OWNER_SPIN, true)
*/
SCHED_FEAT(NONTASK_POWER, true)
+#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, true)
+#else
+SCHED_FEAT(TTWU_QUEUE, false)
+#endif
SCHED_FEAT(FORCE_SD_OVERLAP, false)
SCHED_FEAT(RT_RUNTIME_SHARE, true)
--
1.7.10.4
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