linux-kernel - Re: [PATCH] unicore32: fix build error for find bitops

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Date:	Mon, 13 Jun 2011 18:22:38 +0800
From:	Guan Xuetao <gxt@...c.pku.edu.cn>
To:	Akinobu Mita <akinobu.mita@...il.com>
Cc:	arnd@...db.de, linux-kernel@...r.kernel.org,
	linux-arch@...r.kernel.org, greg@...ah.com
Subject: Re: [PATCH] unicore32: fix build error for find bitops

On Mon, 2011-06-13 at 18:33 +0900, Akinobu Mita wrote:
> 2011/6/13 Guan Xuetao <gxt@...c.pku.edu.cn>:
> > Thanks, please review following patch:
> 
> Looks good to me.
Could I add your acked-by information on this patch?

> 
> > diff --git a/arch/unicore32/kernel/ksyms.c
> > b/arch/unicore32/kernel/ksyms.c
> > index a897080..d98bd81 100644
> > --- a/arch/unicore32/kernel/ksyms.c
> > +++ b/arch/unicore32/kernel/ksyms.c
> > @@ -24,8 +24,8 @@
> >
> >  #include "ksyms.h"
> >
> > -EXPORT_SYMBOL(__uc32_find_next_zero_bit);
> > -EXPORT_SYMBOL(__uc32_find_next_bit);
> > +EXPORT_SYMBOL(find_next_zero_bit);
> > +EXPORT_SYMBOL(find_next_bit);
> 
> I'm wondering why there are no EXPORT_SYMBOL for find_first_bit
> and find_first_zero_bit.
IMO, only functions that are needed by modules should be exported.
When building modules under unicore32 & pkunity-soc, we only need
find_next_bit and find_next_zero_bit exported at present, and if new
functions are required, I am going to add them in the same time.
In fact, I think, the 'arch-generic' ksyms.c is a better idea.

Guan Xuetao 


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