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Date: Wed, 25 Apr 2007 14:09:48 +0200 (CEST)
Subject: Re: [PATCH 03/13] mac80211: fix virtual interface related locking
From: "Johannes Berg" <johannes@sipsolutions.net>
To: "Michael Wu" <flamingice@sourmilk.net>
Cc: "Andy Green" <andy@warmcat.com>, linux-wireless@vger.kernel.org
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Michael Wu wrote:
> This is fine, though it would be nice if we can shut the warning off.
> Virtual
> interfaces can try to take the xmit lock of the master device, but the
> master
> device will never try to take the xmit lock of the virtual interfaces and
> especially not while holding its own xmit lock.

You can shut the warning off by explicitly labeling the master lock as
belonging to a different class or something. Bridging code has similar
things IIRC, maybe check there.

johannes