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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
* 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)