From 77d4d0606477a4f434f9b1efdac77a2af9d0e880 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Sun, 28 Oct 2012 13:26:09 +0000 Subject: 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 Cc: stable-rt@vger.kernel.org diff --git a/init/Kconfig b/init/Kconfig index a1798e8..4dea595 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -615,7 +615,7 @@ config RCU_FANOUT_EXACT config RCU_FAST_NO_HZ bool "Accelerate last non-dyntick-idle CPU's grace periods" - depends on NO_HZ_COMMON && SMP + depends on NO_HZ_COMMON && SMP && !PREEMPT_RT_FULL default n help This option permits CPUs to enter dynticks-idle state even if -- cgit v0.10.2