linux-kernel - Re: How to link a .o with all modules

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Message-ID: <481E4655.7040000@zytor.com>
Date:	Sun, 04 May 2008 16:27:17 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Kumar Gala <galak@...nel.crashing.org>
CC:	sam@...nborg.org, lkml List <linux-kernel@...r.kernel.org>,
	"linuxppc-dev@...abs.org list" <linuxppc-dev@...abs.org>
Subject: Re: How to link a .o with all modules

Kumar Gala wrote:
> Sam,
> 
> We have a case in powerpc in which we want to link some library routines 
> with all module objects.  The routines are intended for handling 
> out-of-line function call register save/restore so having them as 
> EXPORT_SYMBOL() is counter productive (we do also need to link the same 
> "library" code into the kernel).
> 

Why is having them as an EXPORT_SYMBOL() counterproductive?  It sounds 
like *exactly* what you need -- and then having the kernel provide the 
same code to modules, instead of replication...?

	-hpa
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