On Thu, 2013-05-30 at 12:25 +0400, Roman Gushchin wrote: > On 29.05.2013 23:06, Eric Dumazet wrote: > > On Wed, 2013-05-29 at 14:09 +0400, Roman Gushchin wrote: > > > > True, these lookup functions are usually structured the same around the > > hlist_nulls_for_each_entry_rcu() loop. > > > > A barrier() right before the loop seems to be a benefit, the size of > > assembly code is reduced by 48 bytes. > > > > And its one of the documented way to handle this kind of problems > > (Documentation/atomic_ops.txt line 114) > > > > I guess we should amend this documentation, eventually. > > > > Thanks, please add you "Signed-off-by" if you agree with the patch. > > > > Signed-off-by: Roman Gushchin <[email protected]> > > Many thanks to you, Paul E. McKenney and David Laight for your > patches, help and participation in this discussion.
Thanks to you ! David, is there any problem with the patch ? http://patchwork.ozlabs.org/patch/247360/ says "Not applicable", please tell me what is needed to get it merged. Thanks ! -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
