From be55fa2ad244678beed11d2827d88b7f80ff4730 Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Tue, 2 Jun 2015 05:29:18 -0700 Subject: rcu: Hide RCU_NOCB_CPU behind RCU_EXPERT This commit prevents Kconfig from asking the user about RCU_NOCB_CPU unless the user really wants to be asked. Reported-by: Ingo Molnar Signed-off-by: Paul E. McKenney Cc: Steven Rostedt Cc: Sebastian Andrzej Siewior Cc: Thomas Gleixner --- init/Kconfig | 1 + 1 file changed, 1 insertion(+) (limited to 'init/Kconfig') diff --git a/init/Kconfig b/init/Kconfig index fdeff4ab5995..ba1e6eaf4c36 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -698,6 +698,7 @@ config RCU_BOOST_DELAY config RCU_NOCB_CPU bool "Offload RCU callback processing from boot-selected CPUs" depends on TREE_RCU || PREEMPT_RCU + depends on RCU_EXPERT || NO_HZ_FULL default n help Use this option to reduce OS jitter for aggressive HPC or -- cgit v1.2.3-58-ga151