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Commit 09503105 authored by Paul E. McKenney's avatar Paul E. McKenney Committed by Ingo Molnar
Browse files

RCU: add help text for "RCU implementation type" 



This patch supplies help text for the "RCU implementation type"
kernel configuration choice.

Reported-by: default avatarStefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 8af03e78

init/Kconfig

+8 −0
Original line number Diff line number Diff line
@@ -775,6 +775,14 @@ config PREEMPT_NOTIFIERS 
choice

	prompt "RCU implementation type:"

	default CLASSIC_RCU

	help

	  This allows you to choose either the classic RCU implementation

	  that is designed for best read-side performance on non-realtime

	  systems, or the preemptible RCU implementation for best latency

	  on realtime systems.  Note that some kernel preemption modes

	  will restrict your choice.



	  Select the default if you are unsure.



config CLASSIC_RCU

	bool "Classic RCU"