On Thu, 2013-12-05 at 18:02 +0100, Christian Lamparter wrote: > On Thursday, December 05, 2013 01:35:48 PM Johannes Berg wrote: > > Inspired by hostap shutdown potentially taking a long time (which is > > in part also its fault), I took a closer look at the station removal > > code and I think it's too complex. Only a single driver (iwlmvm) has > > a need for an RCU grace period after sta_state() returns, and that > > can easily be addressed differently. > > > > So consolidate many of the synchronize_rcu()/_net() in these paths > > and get rid of the rcu_barrier() stuff completely. > > > > Testing is still pending, but it should improve timing. > > So far, I see no crashes or other undefined behavior with > current carl9170 driver. Cool. What I wrote came out bad - I did test that it still works with hwsim and iwlwifi, but I didn't get any *timing* testing yet :) johannes -- 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
