linux-kernel - [PATCH RFC tip/core/rcu 5/7] rcu: remove redundant rcu_cpu_stall

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Message-Id: <1322937282-19846-5-git-send-email-paulmck@linux.vnet.ibm.com>
Date:	Sat,  3 Dec 2011 10:34:40 -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, 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 RFC tip/core/rcu 5/7] rcu: remove redundant rcu_cpu_stall_suppress declaration

No point in having two identical rcu_cpu_stall_suppress declarations,
so remove the more obscure of the two.

Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
---
 kernel/rcutree.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index 4ec4b14..2b2e1a9 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -642,8 +642,6 @@ static int rcu_implicit_dynticks_qs(struct rcu_data *rdp)
 
 #endif /* #ifdef CONFIG_SMP */
 
-int rcu_cpu_stall_suppress __read_mostly;
-
 static void record_gp_stall_check_time(struct rcu_state *rsp)
 {
 	rsp->gp_start = jiffies;
-- 
1.7.3.2

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