linux/debian/patches/features/all/rt/sched-disable-ttwu-queue.patch

31 lines
943 B
Diff

Subject: sched-disable-ttwu-queue.patch
From: Thomas Gleixner <tglx@linutronix.de>
Date: Tue, 13 Sep 2011 16:42:35 +0200
Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.10/patches-3.10.4-rt1.tar.xz
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/sched/features.h | 4 ++++
1 file changed, 4 insertions(+)
Index: linux-stable/kernel/sched/features.h
===================================================================
--- linux-stable.orig/kernel/sched/features.h
+++ linux-stable/kernel/sched/features.h
@@ -50,11 +50,15 @@ SCHED_FEAT(LB_BIAS, 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)