Commit be55fa2a authored Jun 02, 2015 by Paul E. McKenney

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>

parent 24560056

init/Kconfig

+1 −0

Original line number	Diff line number	Diff line
		@@ -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