linux-kernel - [PATCH tip/core/rcu 45/86] net,act_police,rcu: remove rcu

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Date:	Sun,  1 May 2011 06:21:25 -0700
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, niv@...ibm.com, tglx@...utronix.de,
	peterz@...radead.org, rostedt@...dmis.org, Valdis.Kletnieks@...edu,
	dhowells@...hat.com, eric.dumazet@...il.com, darren@...art.com,
	patches@...aro.org, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: [PATCH tip/core/rcu 45/86] net,act_police,rcu: remove rcu_barrier()

From: Lai Jiangshan <laijs@...fujitsu.com>

There is no callback of this module maybe queued
since we use kfree_rcu(), we can safely remove the rcu_barrier().

Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com>
Acked-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
---
 net/sched/act_police.c |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)

diff --git a/net/sched/act_police.c b/net/sched/act_police.c
index d6bcd64..b3b9b32 100644
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -396,7 +396,6 @@ static void __exit
 police_cleanup_module(void)
 {
 	tcf_unregister_action(&act_police_ops);
-	rcu_barrier(); /* Wait for completion of call_rcu()'s (tcf_police_free_rcu) */
 }
 
 module_init(police_init_module);
-- 
1.7.3.2

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