Subject: Re: [PATCH next] drivers: wireless: carl9170: shrink carl9170_tx_info

From: Florian Westphal <[email-masked]>
Date: Sat, 14 Mar 2015 18:55:32 +0100

Christian Lamparter <chunkeey-gM/[email-masked]> wrote:
> On Friday, March 13, 2015 04:37:25 PM Florian Westphal wrote:
> > its embededded inside rate_driver_data of the ieee80211_tx_info struct,
> > which in turn is stored in skb->cb[].
> > 
> > In order to shrink cb, we need to shrink ieee80211_tx_info which means
> > to downsize all users first.
> > 
> > Alternatively, one might be able to remove kref but
> > its less intrusive/simpler to use u32 for timeout handling.
> > 
> > Signed-off-by: Florian Westphal <[email-masked]>
> > ---
> u32 jiffies... that's a lot of pointing (well not so much) and really 
> ugly casting (a lot). I guess it would be easier to just use a "per-queue"
> timeout watchdog like almost everybody else. This way, the driver will
> be ready for the next skb->cb shrink as well.
> 
> carl9170_tx_ampdu_timeout can be completely removed.

Maybe, but there is only so much I am willing to do with "compile
tested only" patches...
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