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-rw-r--r--include/linux/srcu.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/srcu.h b/include/linux/srcu.h
index 4e0a3d41dae3..d4b12443b2ef 100644
--- a/include/linux/srcu.h
+++ b/include/linux/srcu.h
@@ -84,6 +84,9 @@ long srcu_batches_completed(struct srcu_struct *sp);
* this assumes we are in an SRCU read-side critical section unless it can
* prove otherwise.
*
+ * Checks debug_lockdep_rcu_enabled() to prevent false positives during boot
+ * and while lockdep is disabled.
+ *
* Note that if the CPU is in the idle loop from an RCU point of view
* (ie: that we are in the section between rcu_idle_enter() and
* rcu_idle_exit()) then srcu_read_lock_held() returns false even if
@@ -102,7 +105,7 @@ static inline int srcu_read_lock_held(struct srcu_struct *sp)
if (rcu_is_cpu_idle())
return 0;
- if (!debug_locks)
+ if (!debug_lockdep_rcu_enabled())
return 1;
return lock_is_held(&sp->dep_map);