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rcu: Fix backwards RCU_LOCKDEP_WARN() in synchronize_rcu_tasks()

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The RCU_LOCKDEP_WARN() in synchronize_rcu_tasks() triggers if the
scheduler is active, which is backwards.  This commit therefore
negates the test.

Reported-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2015-06-30 08:17:40 -07:00
parent f78f5b90c4
commit a76a9a485d
1 changed files with 1 additions and 1 deletions
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2
kernel/rcu/update.c
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@ -589,7 +589,7 @@ EXPORT_SYMBOL_GPL(call_rcu_tasks);
void synchronize_rcu_tasks(void)
{
/* Complain if the scheduler has not started. */
RCU_LOCKDEP_WARN(rcu_scheduler_active,
RCU_LOCKDEP_WARN(!rcu_scheduler_active,
"synchronize_rcu_tasks called too soon");
/* Wait for the grace period. */