linux-kernel - 回复： [PATCH 3/3] arch: unicore32: ksyms: export '__cpuc_coherent_kern

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Message-ID: <1270810603.23809.1401149661357.JavaMail.root@bj-mail03.pku.edu.cn>
Date:	Tue, 27 May 2014 08:14:21 +0800 (CST)
From:	管雪涛 <gxt@....edu.cn>
To:	Chen Gang <gang.chen.5i5j@...il.com>
Cc:	Guan Xuetao <gxt@...c.pku.edu.cn>, linux-kernel@...r.kernel.org
Subject: 回复： [PATCH 3/3] arch: unicore32: ksyms: export '__cpuc_coherent_kern_range' to avoid compiling failure


----- Chen Gang <gang.chen.5i5j@...il.com> 写道：
> flush_icache_range() is '__cpuc_coherent_kern_range' under unicore32,
> and lkdtm.ko needs it. At present, '__cpuc_coherent_kern_range' is
> still used by unicore32, so export it to avoid compiling failure.
> 
> The related error (with allmodconfig under unicore32):
> 
>   ERROR: "__cpuc_coherent_kern_range" [drivers/misc/lkdtm.ko] undefined!
> 
> 
> Signed-off-by: Chen Gang <gang.chen.5i5j@...il.com>

Acked-by: Xuetao Guan <gxt@...c.pku.edu.cn>

> ---
>  arch/unicore32/mm/proc-syms.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/unicore32/mm/proc-syms.c b/arch/unicore32/mm/proc-syms.c
> index f30071e..21c00fc 100644
> --- a/arch/unicore32/mm/proc-syms.c
> +++ b/arch/unicore32/mm/proc-syms.c
> @@ -19,5 +19,7 @@
>  EXPORT_SYMBOL(cpu_dcache_clean_area);
>  EXPORT_SYMBOL(cpu_set_pte);
>  
> +EXPORT_SYMBOL(__cpuc_coherent_kern_range);
> +
>  EXPORT_SYMBOL(__cpuc_dma_flush_range);
>  EXPORT_SYMBOL(__cpuc_dma_clean_range);
> -- 
> 1.9.2.459.g68773ac

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