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rcu: fix now-bogus rcu_scheduler_active comments.

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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@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney
2010-03-30 10:59:28 -07:00
parent d20200b591
commit 32c141a0a1
1 changed files with 4 additions and 2 deletions
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6
include/linux/rcupdate.h
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@@ -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 * this assumes we are in an RCU read-side critical section unless it can
* prove otherwise. * 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) 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 * of preemption (including disabling irqs) counts as an RCU-sched
* read-side critical section. * 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 #ifdef CONFIG_PREEMPT
static inline int rcu_read_lock_sched_held(void) static inline int rcu_read_lock_sched_held(void)