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Commit 32c141a0 authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

rcu: fix now-bogus rcu_scheduler_active comments. 



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: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
parent d20200b5

include/linux/rcupdate.h

+4 −2
Original line number Diff line number Diff line
@@ -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)