aboutsummaryrefslogtreecommitdiff
path: root/init
diff options
context:
space:
mode:
authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2015-06-02 05:29:18 -0700
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2015-07-22 15:27:25 -0700
commitbe55fa2ad244678beed11d2827d88b7f80ff4730 (patch)
tree0a8ea5ff06d29dbee0b2ea5028bb2bb1010b3d43 /init
parent24560056de61d86153cecb84d04e4237437f5888 (diff)
downloadlinux-linaro-stable-be55fa2ad244678beed11d2827d88b7f80ff4730.tar.gz
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 <mingo@kernel.org> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'init')
-rw-r--r--init/Kconfig1
1 files changed, 1 insertions, 0 deletions
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