netdev - Re: TXQ real_num_tx_queues comments/questions

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Message-Id: <20080715.022854.55875400.davem@davemloft.net>
Date:	Tue, 15 Jul 2008 02:28:54 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	johannes@...solutions.net
Cc:	netdev@...r.kernel.org, linux-wireless@...r.kernel.org
Subject: Re: TXQ real_num_tx_queues comments/questions

From: Johannes Berg <johannes@...solutions.net>
Date: Tue, 15 Jul 2008 11:25:23 +0200

> > It seems to me that a simple synchronize_net() call near the end of
> > agg queue removal would solve your problem as-is, wouldn't it?
> 
> Well, as far as I can tell we can't do that there because it's in
> tasklet context/called under spinlocks so it has to be atomic. I think.

Right, my bad.

It seems that there can end up being holes in the queue
space on mac80211, which slightly complicates matters.
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