linux-kernel - [PATCH tip/core/rcu 77/88] rcu: Remove #ifdef moving rcu_end_inkernel

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Message-Id: <1495749601-21574-77-git-send-email-paulmck@linux.vnet.ibm.com>
Date:   Thu, 25 May 2017 14:59:50 -0700
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,
        fweisbec@...il.com, oleg@...hat.com, bobby.prani@...il.com,
        "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: [PATCH tip/core/rcu 77/88] rcu: Remove #ifdef moving rcu_end_inkernel_boot from rcupdate.h

This commit removes a #ifdef and saves a few lines of code by moving
the rcu_end_inkernel_boot() function from include/linux/rcupdate.h to
include/linux/rcutiny.h (for TINY_RCU) and to include/linux/rcutree.h
(for TREE_RCU).

Signed-off-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>
---
 include/linux/rcupdate.h | 6 ------
 include/linux/rcutiny.h  | 2 +-
 include/linux/rcutree.h  | 1 +
 3 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index 7f24a5e673f5..f816fc72b51e 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -111,12 +111,6 @@ void rcu_check_callbacks(int user);
 void rcu_report_dead(unsigned int cpu);
 void rcu_cpu_starting(unsigned int cpu);
 
-#ifndef CONFIG_TINY_RCU
-void rcu_end_inkernel_boot(void);
-#else /* #ifndef CONFIG_TINY_RCU */
-static inline void rcu_end_inkernel_boot(void) { }
-#endif /* #ifndef CONFIG_TINY_RCU */
-
 #ifdef CONFIG_RCU_STALL_COMMON
 void rcu_sysrq_start(void);
 void rcu_sysrq_end(void);
diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h
index c869785f16bd..5becbbccb998 100644
--- a/include/linux/rcutiny.h
+++ b/include/linux/rcutiny.h
@@ -123,7 +123,7 @@ void rcu_scheduler_starting(void);
 #else /* #if defined(CONFIG_DEBUG_LOCK_ALLOC) || defined(CONFIG_SRCU) */
 static inline void rcu_scheduler_starting(void) { }
 #endif /* #else #if defined(CONFIG_DEBUG_LOCK_ALLOC) || defined(CONFIG_SRCU) */
-
+static inline void rcu_end_inkernel_boot(void) { }
 static inline bool rcu_is_watching(void) { return true; }
 
 /* Avoid RCU read-side critical sections leaking across. */
diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h
index d6aa89d15d47..37d6fd3b7ff8 100644
--- a/include/linux/rcutree.h
+++ b/include/linux/rcutree.h
@@ -91,6 +91,7 @@ void exit_rcu(void);
 
 void rcu_scheduler_starting(void);
 extern int rcu_scheduler_active __read_mostly;
+void rcu_end_inkernel_boot(void);
 bool rcu_is_watching(void);
 void rcu_all_qs(void);
 
-- 
2.5.2