From: "Paul E. McKenney" <paul...@linux.vnet.ibm.com>
Currently, Kconfig will ask the user whether TASKS_RCU should be set.
This is silly because Kconfig already has all the information that it
needs to set this parameter. This commit therefore directly drives
the value of TASKS_RCU via "select" statements. Which means that
as subsystems require TASKS_RCU, those subsystems will need to add
"select" statements of their own.
Reported-by: Ingo Molnar <mi...@kernel.org>
Signed-off-by: Paul E. McKenney <paul...@linux.vnet.ibm.com>
Cc: Steven Rostedt <rost...@goodmis.org>
Reviewed-by: Pranith Kumar <bobby.pr...@gmail.com>
---
init/Kconfig | 4 +---
lib/Kconfig.debug | 1 +
2 files changed, 2 insertions(+), 3 deletions(-)
diff --git a/init/Kconfig b/init/Kconfig
index dc24dec60232..73db30a76afa 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -509,7 +509,7 @@ config SRCU
sections.
config TASKS_RCU
- bool "Task_based RCU implementation using voluntary context switch"
+ bool
default n
select SRCU
help
@@ -517,8 +517,6 @@ config TASKS_RCU
only voluntary context switch (not preemption!), idle, and
user-mode execution as quiescent states.
- If unsure, say N.
-
config RCU_STALL_COMMON
def_bool ( TREE_RCU || PREEMPT_RCU || RCU_TRACE )
help
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index e1af93ae246b..c4e1cf04cf57 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1233,6 +1233,7 @@ config RCU_TORTURE_TEST
depends on DEBUG_KERNEL
select TORTURE_TEST
select SRCU
+ select TASKS_RCU
default n
help
This option provides a kernel module that runs torture tests
--
1.8.1.5
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