linux-kernel - [PATCH rt/2.6.31] [RT] kernel/sched.c: Fixup of "implicit declaration of function '_finish_arch

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Message-Id: <4dc11af5f8e10e716e94f4b6b886d1160a5a1744.1264605070.git.wuzhangjin@gmail.com>
Date:	Wed, 27 Jan 2010 23:12:55 +0800
From:	Wu Zhangjin <wuzhangjin@...il.com>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Wu Zhangjin <wuzhangjin@...il.com>
Subject: [PATCH rt/2.6.31] [RT] kernel/sched.c: Fixup of "implicit declaration of function '_finish_arch_switch'"

From: Wu Zhangjin <wuzhangjin@...il.com>

This patch fixes the following error:

kernel/sched.c: In function 'finish_task_switch':
kernel/sched.c:2979: error: implicit declaration of function
'_finish_arch_switch'

The following archs have defined their finish_arch_switch:

$ grep finish_arch_switch -ur arch/
arch/s390/include/asm/system.h:#define finish_arch_switch(prev)
arch/sh/include/asm/system_32.h:#define finish_arch_switch(prev
arch/avr32/include/asm/system.h:#define finish_arch_switch(prev)
arch/mips/include/asm/system.h:#define finish_arch_switch(prev)

Signed-off-by: Wu Zhangjin <wuzhangjin@...il.com>
---
 kernel/sched.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/kernel/sched.c b/kernel/sched.c
index 590b9bb..739156e 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -959,6 +959,8 @@ static inline u64 global_rt_runtime(void)
 #endif
 #ifndef finish_arch_switch
 # define _finish_arch_switch(prev)	do { } while (0)
+#else
+# define _finish_arch_switc		finish_arch_switch
 #endif
 
 static inline int task_current(struct rq *rq, struct task_struct *p)
-- 
1.6.6

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