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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2015-06-02 05:29:18 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2015-07-22 15:27:25 -0700 |
| commit | be55fa2ad244678beed11d2827d88b7f80ff4730 (patch) | |
| tree | 0a8ea5ff06d29dbee0b2ea5028bb2bb1010b3d43 /init | |
| parent | 24560056de61d86153cecb84d04e4237437f5888 (diff) | |
| download | lwn-be55fa2ad244678beed11d2827d88b7f80ff4730.tar.gz lwn-be55fa2ad244678beed11d2827d88b7f80ff4730.zip | |
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/Kconfig | 1 |
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 |