linux-kernel - Re: [PATCH 1/4] module: extract __ExPORT_SYMBOL from module.h into mod

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Message-ID: <4AB8E2FF.8040708@tuffmail.co.uk>
Date:	Tue, 22 Sep 2009 15:45:19 +0100
From:	Alan Jenkins <alan-jenkins@...fmail.co.uk>
To:	Sam Ravnborg <sam@...nborg.org>
CC:	rusty@...tcorp.com.au, linux-kernel@...r.kernel.org,
	linux-kbuild@...r.kernel.org, linux-modules@...r.org
Subject: Re: [PATCH 1/4] module: extract __ExPORT_SYMBOL from module.h into
 mod_export.h

Sam Ravnborg wrote:
> On Tue, Sep 22, 2009 at 02:38:35PM +0100, Alan Jenkins wrote:
>   
>> The new header mod_export.h allows __EXPORT_SYMBOL to be used without
>> pulling in any function or variable declarations.  It will be used by
>> the build system to help sort the list of symbols exported by the
>> kernel.
>>
>> Signed-off-by: Alan Jenkins <alan-jenkins@...fmail.co.uk>
>> ---
>>  include/linux/mod_export.h |   74 ++++++++++++++++++++++++++++++++++++++++++++
>>  include/linux/module.h     |   63 +------------------------------------
>>  2 files changed, 75 insertions(+), 62 deletions(-)
>>  create mode 100644 include/linux/mod_export.h
>>
>> diff --git a/include/linux/mod_export.h b/include/linux/mod_export.h
>> new file mode 100644
>> index 0000000..3c51b9c
>> --- /dev/null
>> +++ b/include/linux/mod_export.h
>> @@ -0,0 +1,74 @@
>> +#ifndef LINUX_MOD_EXPORT_H
>> +#define LINUX_MOD_EXPORT_H
>> +
>> +#include <linux/compiler.h>
>> +#include <asm/module.h>
>>     
>
> Do you need this include?
>
> 	Sam
>   
asm/module.h is needed in case the arch sets MODULE_SYMBOL_PREFIX.
 (and linux/compiler.h is needed for __used).

Let me know if you think it needs a comment.

Thanks
Alan
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