linux-kernel - Re: [PATCH RFC] [1/9] Core module symbol namespaces code and intro.

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Message-ID: <20071122110545.GA4552@infradead.org>
Date:	Thu, 22 Nov 2007 11:05:45 +0000
From:	Christoph Hellwig <hch@...radead.org>
To:	Rusty Russell <rusty@...tcorp.com.au>
Cc:	Andi Kleen <ak@...e.de>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, sam@...nborg.org
Subject: Re: [PATCH RFC] [1/9] Core module symbol namespaces code and intro.

On Thu, Nov 22, 2007 at 02:56:22PM +1100, Rusty Russell wrote:
>     This is an interesting idea, thanks for the code!  My only question is 
> whether we can get most of this benefit by dropping the indirection of 
> namespaces and have something like "EXPORT_SYMBOL_TO(sym, modname)"?  It
> doesn't work so well for exporting to a group of modules, but that seems
> a reasonable line to draw anyway.

I'd say exporting to a group of modules is the main use case.  E.g. in
scsi there would be symbols exported to transport class modules only
or lots of the vfs_ symbols would be exported only to stackable filesystems
or nfsd.

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