linux-kernel - [PATCH tip/core/rcu 07/12] rcu: Remove check_cpu_stall

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Message-Id: <1365810511-24811-7-git-send-email-paulmck@linux.vnet.ibm.com>
Date:	Fri, 12 Apr 2013 16:48:26 -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, edumazet@...gle.com, darren@...art.com,
	fweisbec@...il.com, sbw@....edu,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: [PATCH tip/core/rcu 07/12] rcu: Remove check_cpu_stall_preempt()

From: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>

With the removal of CONFIG_TINY_PREEMPT_RCU, check_cpu_stall_preempt()
is now an empty function.  This commit therefore eliminates it by
inlining it.

Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
---
 kernel/rcutiny_plugin.h | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/kernel/rcutiny_plugin.h b/kernel/rcutiny_plugin.h
index 36fd83c..bac3a6e 100644
--- a/kernel/rcutiny_plugin.h
+++ b/kernel/rcutiny_plugin.h
@@ -82,8 +82,6 @@ static void check_cpu_stall(struct rcu_ctrlblk *rcp)
 		rcp->jiffies_stall = jiffies + rcu_jiffies_till_stall_check();
 }
 
-static void check_cpu_stall_preempt(void);
-
 #endif /* #ifdef CONFIG_RCU_TRACE */
 
 static void reset_cpu_stall_ticks(struct rcu_ctrlblk *rcp)
@@ -99,7 +97,6 @@ static void check_cpu_stalls(void)
 {
 	RCU_TRACE(check_cpu_stall(&rcu_bh_ctrlblk));
 	RCU_TRACE(check_cpu_stall(&rcu_sched_ctrlblk));
-	RCU_TRACE(check_cpu_stall_preempt());
 }
 
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
@@ -182,8 +179,4 @@ MODULE_AUTHOR("Paul E. McKenney");
 MODULE_DESCRIPTION("Read-Copy Update tracing for tiny implementation");
 MODULE_LICENSE("GPL");
 
-static void check_cpu_stall_preempt(void)
-{
-}
-
 #endif /* #ifdef CONFIG_RCU_TRACE */
-- 
1.8.1.5

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