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

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Date:	Wed, 27 Jan 2010 23:17:54 +0800
From:	Wu Zhangjin <wuzhangjin@...il.com>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH rt/2.6.31] [RT] kernel/sched.c: Fixup of "implicit
 declaration of function '_finish_arch_switch'"

On Wed, 2010-01-27 at 23:12 +0800, Wu Zhangjin wrote:
> 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

Sorry, Just found the "TAB" delete the "h" of the above
_finish_arch_switc, will resend one later.

Regards,
	Wu Zhangjin

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