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From 00f88f2c7b34528cc93818e358f10c89d2b269bd Mon Sep 17 00:00:00 2001
From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 28 Oct 2012 13:26:09 +0000
Subject: [PATCH 272/274] rcu: Disable RCU_FAST_NO_HZ on RT
This uses a timer_list timer from the irq disabled guts of the idle
code. Disable it for now to prevent wreckage.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable-rt@vger.kernel.org
---
init/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/init/Kconfig b/init/Kconfig
index c06208b..87afda5 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -474,7 +474,7 @@ config RCU_FANOUT_EXACT
config RCU_FAST_NO_HZ
bool "Accelerate last non-dyntick-idle CPU's grace periods"
- depends on NO_HZ && SMP
+ depends on NO_HZ && SMP && !PREEMPT_RT_FULL
default n
help
This option causes RCU to attempt to accelerate grace periods
--
1.7.10.4
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