[PATCH tip/core/rcu 07/48] rcu: fix now-bogus rcu_scheduler_active comments.

From: Paul E. McKenney
Date: Tue May 04 2010 - 16:31:56 EST


The rcu_scheduler_active check has been wrapped into the new
debug_lockdep_rcu_enabled() function, so update the comments to
reflect this new reality.

Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx>
---
include/linux/rcupdate.h | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index a150af0..02537a7 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -111,7 +111,8 @@ extern int debug_lockdep_rcu_enabled(void);
* this assumes we are in an RCU read-side critical section unless it can
* prove otherwise.
*
- * Check rcu_scheduler_active to prevent false positives during boot.
+ * Check debug_lockdep_rcu_enabled() to prevent false positives during boot
+ * and while lockdep is disabled.
*/
static inline int rcu_read_lock_held(void)
{
@@ -136,7 +137,8 @@ extern int rcu_read_lock_bh_held(void);
* of preemption (including disabling irqs) counts as an RCU-sched
* read-side critical section.
*
- * Check rcu_scheduler_active to prevent false positives during boot.
+ * Check debug_lockdep_rcu_enabled() to prevent false positives during boot
+ * and while lockdep is disabled.
*/
#ifdef CONFIG_PREEMPT
static inline int rcu_read_lock_sched_held(void)
--
1.7.0

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