| From 8def932b501b015a16eab2543018dcdcbc00c395 Mon Sep 17 00:00:00 2001 |
| From: Thomas Gleixner <tglx@linutronix.de> |
| Date: Sun, 28 Oct 2012 13:26:09 +0000 |
| Subject: [PATCH 234/351] rcu: Disable RCU_FAST_NO_HZ on RT |
| X-NVConfidentiality: public |
| |
| 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> |
| --- |
| init/Kconfig | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| diff --git a/init/Kconfig b/init/Kconfig |
| index 9e50d263016f..cb25f360358a 100644 |
| --- a/init/Kconfig |
| +++ b/init/Kconfig |
| @@ -614,7 +614,7 @@ config RCU_FANOUT_LEAF |
| |
| config RCU_FAST_NO_HZ |
| bool "Accelerate last non-dyntick-idle CPU's grace periods" |
| - depends on NO_HZ_COMMON && SMP && RCU_EXPERT |
| + depends on NO_HZ_COMMON && SMP && RCU_EXPERT && !PREEMPT_RT_FULL |
| default n |
| help |
| This option permits CPUs to enter dynticks-idle state even if |
| -- |
| 2.10.1 |
| |