From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Rostedt Subject: [PATCH RT 2/4] rcu: Disable RCU_FAST_NO_HZ on RT Date: Tue, 30 Oct 2012 20:29:12 -0400 Message-ID: <20121031002942.754450721@goodmis.org> References: <20121031002910.195421780@goodmis.org> Cc: Thomas Gleixner , Carsten Emde , John Kacur To: linux-kernel@vger.kernel.org, linux-rt-users Return-path: Content-Disposition: inline; filename=0002-rcu-Disable-RCU_FAST_NO_HZ-on-RT.patch Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-rt-users.vger.kernel.org From: Thomas Gleixner 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 --- 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