On Saturday, March 14, 2015 06:55:32 PM Florian Westphal wrote: > Christian Lamparter <chunkeey@xxxxxxxxxxxxxx> 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 <fw@xxxxxxxxx> > > > --- > > 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... well, reinventing jiffies_32 is just a ugly hack and not "intrusive/simpler" than removing kref here. Please try again. Don't worry about testing, I'm sure this is not a problem and someone will test the patches with the hw on 32-bit and 64-bit platforms. Regards, Christian -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html