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Diffstat (limited to 'kernel/rcu/refscale.c')
-rw-r--r--kernel/rcu/refscale.c40
1 files changed, 30 insertions, 10 deletions
diff --git a/kernel/rcu/refscale.c b/kernel/rcu/refscale.c
index 5489ff7f478e..435c884c02b5 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 +234,16 @@ 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
+
+#ifdef CONFIG_TASKS_TRACE_RCU
+
// Definitions for RCU Tasks Trace ref scale testing.
static void rcu_trace_ref_scale_read_section(const int nloops)
{
@@ -261,6 +273,14 @@ static struct ref_scale_ops rcu_trace_ops = {
.name = "rcu-trace"
};
+#define RCU_TRACE_OPS &rcu_trace_ops,
+
+#else // #ifdef CONFIG_TASKS_TRACE_RCU
+
+#define RCU_TRACE_OPS
+
+#endif // #else // #ifdef CONFIG_TASKS_TRACE_RCU
+
// Definitions for reference count
static atomic_t refcnt;
@@ -365,7 +385,7 @@ static struct ref_scale_ops rwsem_ops = {
};
// Definitions for global spinlock
-static DEFINE_SPINLOCK(test_lock);
+static DEFINE_RAW_SPINLOCK(test_lock);
static void ref_lock_section(const int nloops)
{
@@ -373,8 +393,8 @@ static void ref_lock_section(const int nloops)
preempt_disable();
for (i = nloops; i >= 0; i--) {
- spin_lock(&test_lock);
- spin_unlock(&test_lock);
+ raw_spin_lock(&test_lock);
+ raw_spin_unlock(&test_lock);
}
preempt_enable();
}
@@ -385,9 +405,9 @@ static void ref_lock_delay_section(const int nloops, const int udl, const int nd
preempt_disable();
for (i = nloops; i >= 0; i--) {
- spin_lock(&test_lock);
+ raw_spin_lock(&test_lock);
un_delay(udl, ndl);
- spin_unlock(&test_lock);
+ raw_spin_unlock(&test_lock);
}
preempt_enable();
}
@@ -407,8 +427,8 @@ static void ref_lock_irq_section(const int nloops)
preempt_disable();
for (i = nloops; i >= 0; i--) {
- spin_lock_irqsave(&test_lock, flags);
- spin_unlock_irqrestore(&test_lock, flags);
+ raw_spin_lock_irqsave(&test_lock, flags);
+ raw_spin_unlock_irqrestore(&test_lock, flags);
}
preempt_enable();
}
@@ -420,9 +440,9 @@ static void ref_lock_irq_delay_section(const int nloops, const int udl, const in
preempt_disable();
for (i = nloops; i >= 0; i--) {
- spin_lock_irqsave(&test_lock, flags);
+ raw_spin_lock_irqsave(&test_lock, flags);
un_delay(udl, ndl);
- spin_unlock_irqrestore(&test_lock, flags);
+ raw_spin_unlock_irqrestore(&test_lock, flags);
}
preempt_enable();
}
@@ -790,7 +810,7 @@ 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,
};