linux-kernel - [PATCH tip/core/rcu 13/13] rcu: Remove rcu_user_hooks

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Message-Id: <1456290770-18659-13-git-send-email-paulmck@linux.vnet.ibm.com>
Date:	Tue, 23 Feb 2016 21:12:50 -0800
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	linux-kernel@...r.kernel.org
Cc:	mingo@...nel.org, jiangshanlai@...il.com, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
	josh@...htriplett.org, tglx@...utronix.de, peterz@...radead.org,
	rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com,
	dvhart@...ux.intel.com, fweisbec@...il.com, oleg@...hat.com,
	bobby.prani@...il.com, Yang Shi <yang.shi@...aro.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: [PATCH tip/core/rcu 13/13] rcu: Remove rcu_user_hooks_switch

From: Yang Shi <yang.shi@...aro.org>

Because there are neither uses nor intended uses for the
rcu_user_hooks_switch() function that was orginally intended
for nohz use, this commit removes it.

Signed-off-by: Yang Shi <yang.shi@...aro.org>
Acked-by: Frederic Weisbecker <fweisbec@...il.com>
Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
---
 include/linux/rcupdate.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 14e6f47ee16f..b5d48bd56e3f 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -360,8 +360,6 @@ void rcu_user_exit(void);
 #else
 static inline void rcu_user_enter(void) { }
 static inline void rcu_user_exit(void) { }
-static inline void rcu_user_hooks_switch(struct task_struct *prev,
-					 struct task_struct *next) { }
 #endif /* CONFIG_NO_HZ_FULL */
 
 #ifdef CONFIG_RCU_NOCB_CPU
-- 
2.5.2