On 06/30, Paul E. McKenney wrote: > > On Mon, Jun 30, 2014 at 06:18:37PM +0200, Oleg Nesterov wrote: > > Hello, > > > > May be correct this time ;) Based on paulmck/linux-rcu.git rcu/next. > > > > 2/2 is new and hopefully trivial. But! the numbers look suspiciously > > good, I do not understand where does the difference come from... > > Probably from rcu_dereference_raw() and rcu_dereference_check(..., 1). ;-)
Yes, sure, this was the motivation for the patch. But I didn't expect the 50k difference ;) OK, I understand now. I forgot that every list_for_each_rcu/list_entry_rcu has rcu_dereference_raw(). > Queued and kicked off testing, both mine and (indirectly) Fengguang's. Thanks! Oleg. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
