From: Michael Buesch <mb@bu3sch.de>
To: Johannes Berg <johannes@sipsolutions.net>
Subject: Re: hwtkip hangs on b43
Date: Sun, 24 Jan 2010 12:45:15 +0100
Cc: Larry Finger <Larry.Finger@lwfinger.net>, kecsa@kutfo.hit.bme.hu,
	linux-wireless@vger.kernel.org
References: <Pine.LNX.4.44.1001230942190.16120-100000@kutfo.hit.bme.hu> <4B5BE16E.7080901@lwfinger.net> <1264332771.23766.24.camel@johannes.local>
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On Sunday 24 January 2010 12:32:50 Johannes Berg wrote:
> > >>> We can just remove the lock and add a comment explaining why it is not locked...
> 
> Mind you, it won't work on SDIO hardware since the callback cannot
> sleep, contrary to what Kalle documented :(

I don't understand. Why wouldn't SDIO be allowed to sleep?
b43 is fully preemptible, except for the lowlevel PCI interrupt handler.

-- 
Greetings, Michael.