linux-kernel - Re: [PATCH] arch: score: Export necessary symbols in related files

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Date:	Thu, 17 Jul 2014 17:01:52 +0800
From:	Chen Gang <gang.chen.5i5j@...il.com>
To:	Lennox Wu <lennox.wu@...il.com>
CC:	Liqin Chen <liqin.linux@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arch: score: Export necessary symbols in related files

On 07/17/2014 10:22 AM, Lennox Wu wrote:
>  Acked-by: Lennox Wu<lennox.wu@...il.com>
> 

OK, thank you for your work.


> 2014-07-09 16:48 GMT+08:00 Chen Gang <gang.chen.5i5j@...il.com>:
>> 'csum_partial_copy_from_user' and 'flush_dcache_page' are also needed by
>> outside modules, so need export them in the related files.
>>
>> The related error (with allmodconfig under score):
>>
>>     MODPOST 1365 modules
>>   ERROR: "csum_partial_copy_from_user" [net/rxrpc/af-rxrpc.ko] undefined!
>>   ERROR: "flush_dcache_page" [net/sunrpc/sunrpc.ko] undefined!
>>
>>
>> Signed-off-by: Chen Gang <gang.chen.5i5j@...il.com>
>> ---
>>  arch/score/lib/checksum_copy.c | 1 +
>>  arch/score/mm/cache.c          | 1 +
>>  2 files changed, 2 insertions(+)
>>
>> diff --git a/arch/score/lib/checksum_copy.c b/arch/score/lib/checksum_copy.c
>> index 04565dd..9b770b3 100644
>> --- a/arch/score/lib/checksum_copy.c
>> +++ b/arch/score/lib/checksum_copy.c
>> @@ -50,3 +50,4 @@ unsigned int csum_partial_copy_from_user(const char *src, char *dst,
>>
>>         return csum_partial(dst, len, sum);
>>  }
>> +EXPORT_SYMBOL(csum_partial_copy_from_user);
>> diff --git a/arch/score/mm/cache.c b/arch/score/mm/cache.c
>> index f85ec1a..be91041 100644
>> --- a/arch/score/mm/cache.c
>> +++ b/arch/score/mm/cache.c
>> @@ -72,6 +72,7 @@ void flush_dcache_page(struct page *page)
>>         addr = (unsigned long) page_address(page);
>>         flush_data_cache_page(addr);
>>  }
>> +EXPORT_SYMBOL(flush_dcache_page);
>>
>>  /* called by update_mmu_cache. */
>>  void __update_cache(struct vm_area_struct *vma, unsigned long address,
>> --
>> 1.9.2.459.g68773ac

-- 
Chen Gang

Open, share, and attitude like air, water, and life which God blessed
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