From: Jarek Poplawski <jarkao2@xxxxxxxxx> Date: Wed, 23 Jul 2008 11:49:14 +0000 > On Wed, Jul 23, 2008 at 11:35:19AM +0000, Jarek Poplawski wrote: > > On Wed, Jul 23, 2008 at 12:58:16PM +0200, Peter Zijlstra wrote: > ... > > > When I look at the mac802.11 code in ieee80211_tx_pending() it looks > > > like it can do with just one lock at a time, instead of all - but I > > > might be missing some obvious details. > > > > > > So I guess my question is, is netif_tx_lock() here to stay, or is the > > > right fix to convert all those drivers to use __netif_tx_lock() which > > > locks only a single queue? > > > > > > > It's a new thing mainly for new hardware/drivers, and just after > > conversion (older drivers effectively use __netif_tx_lock()), so it'll > > probably stay for some time until something better is found. David, > > will tell the rest, I hope. > > ...And, of course, these new drivers should also lock a single queue > where possible. It isn't going away. There will always be a need for a "stop all the TX queues" operation. -- 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
