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Date: Tue, 10 Nov 2009 13:37:20 -0800 From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> To: linux-kernel@...r.kernel.org Cc: mingo@...e.hu, laijs@...fujitsu.com, dipankar@...ibm.com, akpm@...ux-foundation.org, mathieu.desnoyers@...ymtl.ca, josh@...htriplett.org, dvhltc@...ibm.com, niv@...ibm.com, tglx@...utronix.de, peterz@...radead.org, rostedt@...dmis.org, Valdis.Kletnieks@...edu, dhowells@...hat.com, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com> Subject: [PATCH tip/core/rcu 2/4] rcu: enable synchronize_sched_expedited() fastpath From: Paul E. McKenney <paulmck@...ux.vnet.ibm.com> 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 <paulmck@...ux.vnet.ibm.com> --- kernel/sched.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/kernel/sched.c b/kernel/sched.c index 76c0e96..e69fee4 100644 --- a/kernel/sched.c +++ b/kernel/sched.c @@ -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) -- 1.5.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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