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-rw-r--r--kernel/rcu/Kconfig.debug1
-rw-r--r--kernel/rcu/refscale.c12
-rw-r--r--tools/testing/selftests/rcutorture/configs/refscale/CFcommon2
-rw-r--r--tools/testing/selftests/rcutorture/configs/refscale/NOPREEMPT2
4 files changed, 15 insertions, 2 deletions
diff --git a/kernel/rcu/Kconfig.debug b/kernel/rcu/Kconfig.debug
index f4a4468cbf03..454924e03ef3 100644
--- a/kernel/rcu/Kconfig.debug
+++ b/kernel/rcu/Kconfig.debug
@@ -63,7 +63,6 @@ config RCU_REF_SCALE_TEST
depends on DEBUG_KERNEL
select TORTURE_TEST
select SRCU
- select TASKS_RCU
select TASKS_RUDE_RCU
select TASKS_TRACE_RCU
default n
diff --git a/kernel/rcu/refscale.c b/kernel/rcu/refscale.c
index 5489ff7f478e..5079e47b3d18 100644
--- a/kernel/rcu/refscale.c
+++ b/kernel/rcu/refscale.c
@@ -207,6 +207,8 @@ static struct ref_scale_ops srcu_ops = {
.name = "srcu"
};
+#ifdef CONFIG_TASKS_RCU
+
// Definitions for RCU Tasks ref scale testing: Empty read markers.
// These definitions also work for RCU Rude readers.
static void rcu_tasks_ref_scale_read_section(const int nloops)
@@ -232,6 +234,14 @@ static struct ref_scale_ops rcu_tasks_ops = {
.name = "rcu-tasks"
};
+#define RCU_TASKS_OPS &rcu_tasks_ops,
+
+#else // #ifdef CONFIG_TASKS_RCU
+
+#define RCU_TASKS_OPS
+
+#endif // #else // #ifdef CONFIG_TASKS_RCU
+
// Definitions for RCU Tasks Trace ref scale testing.
static void rcu_trace_ref_scale_read_section(const int nloops)
{
@@ -790,7 +800,7 @@ ref_scale_init(void)
long i;
int firsterr = 0;
static struct ref_scale_ops *scale_ops[] = {
- &rcu_ops, &srcu_ops, &rcu_trace_ops, &rcu_tasks_ops, &refcnt_ops, &rwlock_ops,
+ &rcu_ops, &srcu_ops, &rcu_trace_ops, RCU_TASKS_OPS &refcnt_ops, &rwlock_ops,
&rwsem_ops, &lock_ops, &lock_irq_ops, &acqrel_ops, &clock_ops,
};
diff --git a/tools/testing/selftests/rcutorture/configs/refscale/CFcommon b/tools/testing/selftests/rcutorture/configs/refscale/CFcommon
index a98b58b54bb1..14fdafc576ce 100644
--- a/tools/testing/selftests/rcutorture/configs/refscale/CFcommon
+++ b/tools/testing/selftests/rcutorture/configs/refscale/CFcommon
@@ -1,2 +1,4 @@
CONFIG_RCU_REF_SCALE_TEST=y
CONFIG_PRINTK_TIME=y
+CONFIG_FORCE_TASKS_RCU=y
+#CHECK#CONFIG_TASKS_RCU=y
diff --git a/tools/testing/selftests/rcutorture/configs/refscale/NOPREEMPT b/tools/testing/selftests/rcutorture/configs/refscale/NOPREEMPT
index 7f06838a91e6..ef2b501a6971 100644
--- a/tools/testing/selftests/rcutorture/configs/refscale/NOPREEMPT
+++ b/tools/testing/selftests/rcutorture/configs/refscale/NOPREEMPT
@@ -15,3 +15,5 @@ CONFIG_PROVE_LOCKING=n
CONFIG_RCU_BOOST=n
CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
CONFIG_RCU_EXPERT=y
+CONFIG_KPROBES=n
+CONFIG_FTRACE=n