Messages in this thread Patch in this message | | | From | Pranith Kumar <> | Subject | [RFC PATCH] rcu: config: Remove prompt for RCU implementation | Date | Tue, 21 Apr 2015 17:29:42 -0400 |
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The RCU implementation which is chosen is dependent on PREEMPT and SMP config options and is not really a user-selectable choice. The following change will remove the menu entry and will be derived from the above two options.
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com> --- init/Kconfig | 18 ++++++------------ 1 file changed, 6 insertions(+), 12 deletions(-)
diff --git a/init/Kconfig b/init/Kconfig index 0b37750..7707e4a 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -463,13 +463,9 @@ endmenu # "CPU/Task time and stats accounting" menu "RCU Subsystem" -choice - prompt "RCU Implementation" - default TREE_RCU - config TREE_RCU - bool "Tree-based hierarchical RCU" - depends on !PREEMPT && SMP + bool + default y if !PREEMPT && SMP help This option selects the RCU implementation that is designed for very large SMP system with hundreds or @@ -477,8 +473,8 @@ config TREE_RCU smaller systems. config PREEMPT_RCU - bool "Preemptible tree-based hierarchical RCU" - depends on PREEMPT + bool + default y if PREEMPT help This option selects the RCU implementation that is designed for very large SMP systems with hundreds or @@ -489,16 +485,14 @@ config PREEMPT_RCU Select this option if you are unsure. config TINY_RCU - bool "UP-only small-memory-footprint RCU" - depends on !PREEMPT && !SMP + bool + default y if !PREEMPT && !SMP help This option selects the RCU implementation that is designed for UP systems from which real-time response is not required. This option greatly reduces the memory footprint of RCU. -endchoice - config RCU_EXPERT bool "Make expert-level adjustments to RCU configuration" default n -- 1.9.1
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