3 files changed, 25 insertions, 7 deletions
diff --git a/kernel/rcu/Kconfig b/kernel/rcu/Kconfig
index 2befd328e6a0..8eac165db09f 100644
--- a/kernel/rcu/Kconfig
+++ b/kernel/rcu/Kconfig
@@ -77,13 +77,21 @@ config TASKS_RCU_GENERIC
 	  This option enables generic infrastructure code supporting
 	  task-based RCU implementations.  Not for manual selection.
 
+config FORCE_TASKS_RCU
+	bool "Force selection of TASKS_RCU"
+	depends on RCU_EXPERT
+	select TASKS_RCU
+	default n
+	help
+	  This option force-enables a task-based RCU implementation
+	  that uses only voluntary context switch (not preemption!),
+	  idle, and user-mode execution as quiescent states.  Not for
+	  manual selection in most cases.
+
 config TASKS_RCU
-	def_bool 0
+	bool
+	default n
 	select IRQ_WORK
-	help
-	  This option enables a task-based RCU implementation that uses
-	  only voluntary context switch (not preemption!), idle, and
-	  user-mode execution as quiescent states.  Not for manual selection.
 
 config TASKS_RUDE_RCU
 	def_bool 0
diff --git a/kernel/rcu/Kconfig.debug b/kernel/rcu/Kconfig.debug
index d7f4bb1c4979..c217a5e655a4 100644
--- a/kernel/rcu/Kconfig.debug
+++ b/kernel/rcu/Kconfig.debug
@@ -47,7 +47,6 @@ config RCU_TORTURE_TEST
 	depends on DEBUG_KERNEL
 	select TORTURE_TEST
 	select SRCU
-	select TASKS_RCU
 	select TASKS_RUDE_RCU
 	default n
 	help
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c
index 7dd3e14ec907..65d045ff9766 100644
--- a/kernel/rcu/rcutorture.c
+++ b/kernel/rcu/rcutorture.c
@@ -779,6 +779,8 @@ static struct rcu_torture_ops trivial_ops = {
 	.name		= "trivial"
 };
 
+#ifdef CONFIG_TASKS_RCU
+
 /*
  * Definitions for RCU-tasks torture testing.
  */
@@ -822,6 +824,15 @@ static struct rcu_torture_ops tasks_ops = {
 	.name		= "tasks"
 };
 
+#define TASKS_OPS &tasks_ops,
+
+#else // #ifdef CONFIG_TASKS_RCU
+
+#define TASKS_OPS
+
+#endif // #else #ifdef CONFIG_TASKS_RCU
+
+
 /*
  * Definitions for rude RCU-tasks torture testing.
  */
@@ -3108,7 +3119,7 @@ rcu_torture_init(void)
 	unsigned long gp_seq = 0;
 	static struct rcu_torture_ops *torture_ops[] = {
 		&rcu_ops, &rcu_busted_ops, &srcu_ops, &srcud_ops, &busted_srcud_ops,
-		&tasks_ops, &tasks_rude_ops, TASKS_TRACING_OPS
+		TASKS_OPS &tasks_rude_ops, TASKS_TRACING_OPS
 		&trivial_ops,
 	};