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Date: Wed, 16 Sep 2009 16:24:11 +0100
Message-ID: <3ace41890909160824w146d63e6haddabe645d3e27d2@mail.gmail.com>
Subject: Re: Re[6]: cfg80211 and rfkill_backport question.
From: Hin-Tak Leung <hintak.leung@gmail.com>
To: Nikolai ZHUBR <zhubr@mail.ru>
Cc: "Luis R. Rodriguez" <mcgrof@gmail.com>,
	linux-wireless@vger.kernel.org,
	Gaurav Jauhar <gaurav.jauhar@atheros.com>,
	Senthil Balasubramanian <senthilkumar@atheros.com>
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Sender: linux-wireless-owner@vger.kernel.org

On Wed, Sep 16, 2009 at 10:14 AM, Nikolai ZHUBR <zhubr@mail.ru> wrote:
> Hello Luis!
>
> Wednesday, September 16, 2009, 4:17:40 AM, Luis R. Rodriguez wrote:
>> They don't have to be exported and inlined, its one or the other. So
> Yes, that's what I supposed.
>> just ensure you your symbols you have conflicts with as
>> EXPORT_SYMBOL() or defined in a header file as inline. You will
>> obviously also need the header declaration if defined as an
>> EXPORT_SYMBOL.
> From what I checked it all looks fine to me, except that there is
> a circular dependency between cfg80211 and rfkill_backport (which
> is confirmed by nm output I suppose). Is this circular dependency
> intentional? Or, could it be avoided? (My understanding was that
> as module loader loads one file at a time, it just have no way
> to resolve such symbols, maybe I'm wrong on this)

Hmm, yes and no... insmod loads modules one at a time; but as long as
you run depmod, modprobe loads dependent modules automatically. I
don't know if modprobe works for circular dependency, but it probably
works correctly (since AFAIK, it reference-counts)?