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rcu: Enable synchronize_sched_expedited() fastpath

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This patch adds a counter increment to enable tasks to actually
take the synchronize_sched_expedited() function's fastpath.

Signed-off-by: Paul E. McKenney <[email protected]>
Cc: [email protected]
Cc: [email protected]
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LKML-Reference: <1257889042435-git-send-email->
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Paul E. McKenney 2009-11-10 13:37:20 -08:00 • committed by Ingo Molnar
commit 956539b759
1 changed files with 1 additions and 0 deletions
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1
kernel/sched.c
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@ -10865,6 +10865,7 @@ void synchronize_sched_expedited(void)
spin_unlock_irqrestore(&rq->lock, flags);
}
rcu_expedited_state = RCU_EXPEDITED_STATE_IDLE;
synchronize_sched_expedited_count++;
mutex_unlock(&rcu_sched_expedited_mutex);
put_online_cpus();
if (need_full_sync)