blob: 3f429e397f8fde0b4def40f41b902e00aaa5bb18 [file] [log] [blame]
Subject: sched-disable-ttwu-queue.patch
From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 13 Sep 2011 16:42:35 +0200
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/sched/features.h | 4 ++++
1 file changed, 4 insertions(+)
--- a/kernel/sched/features.h
+++ b/kernel/sched/features.h
@@ -57,11 +57,15 @@ 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)