From b526aded4c39a83d7042b9b16dee342e1f600795 Mon Sep 17 00:00:00 2001 From: Ingo Molnar Date: Fri, 3 Jul 2009 08:30:30 -0500 Subject: RCU: Force PREEMPT_RCU for PREEMPT-RT PREEMPT_RT relies on PREEMPT_RCU - only allow RCU to be configured interactively in the !PREEMPT_RT case. Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- init/Kconfig | 2 ++ 1 file changed, 2 insertions(+) (limited to 'init') diff --git a/init/Kconfig b/init/Kconfig index 1ce05a4cb5f6..43cef1e42ba2 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -318,6 +318,7 @@ choice config CLASSIC_RCU bool "Classic RCU" + depends on !PREEMPT_RT help This option selects the classic RCU implementation that is designed for best read-side performance on non-realtime @@ -327,6 +328,7 @@ config CLASSIC_RCU config TREE_RCU bool "Tree-based hierarchical RCU" + depends on !PREEMPT_RT help This option selects the RCU implementation that is designed for very large SMP system with hundreds or -- cgit v1.2.3