From: "Paul E. McKenney" <paul...@linux.vnet.ibm.com>
This commit prevents Kconfig from asking the user about RCU_NOCB_CPU
unless the user really wants to be asked.
Reported-by: Ingo Molnar <mi...@kernel.org>
Signed-off-by: Paul E. McKenney <paul...@linux.vnet.ibm.com>
Cc: Steven Rostedt <rost...@goodmis.org>
Cc: Sebastian Andrzej Siewior <bige...@linutronix.de>
Cc: Thomas Gleixner <t...@linutronix.de>
---
init/Kconfig | 1 +
1 file changed, 1 insertion(+)
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
--
1.8.1.5
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