From 3c8e4793556981a7f532599959aa3303968056f0 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <peterz@infradead.org>
Date: Wed, 29 Jul 2015 17:31:47 +0200
Subject: [PATCH] sched: Remove finish_arch_switch()

One less arch hook..

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 kernel/sched/core.c  | 1 -
 kernel/sched/sched.h | 3 ---
 2 files changed, 4 deletions(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 5ca9ae0b7e31..b11f6240709b 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -2470,7 +2470,6 @@ static struct rq *finish_task_switch(struct task_struct *prev)
 	 */
 	prev_state = prev->state;
 	vtime_task_switch(prev);
-	finish_arch_switch(prev);
 	perf_event_task_sched_in(prev, current);
 	finish_lock_switch(rq, prev);
 	finish_arch_post_lock_switch();
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index ab0b05cc3f37..22ccc5556c42 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1055,9 +1055,6 @@ static inline int task_on_rq_migrating(struct task_struct *p)
 #ifndef prepare_arch_switch
 # define prepare_arch_switch(next)	do { } while (0)
 #endif
-#ifndef finish_arch_switch
-# define finish_arch_switch(prev)	do { } while (0)
-#endif
 #ifndef finish_arch_post_lock_switch
 # define finish_arch_post_lock_switch()	do { } while (0)
 #endif