On Thu, 2013-12-05 at 13:35 +0100, 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. Timing tests showed a huge improvement, applied all patches. 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
