On 3 January 2018 at 13:36, Jinbum Park <jinb.pa...@gmail.com> wrote: >>> This is a nice result. However, without any insight into the presence >>> of actual refcount hot spots, it is not obvious that we need this >>> patch. This is the reason we ended up enabling CONFIG_REFCOUNT_FULL >>> for arm64. I will let others comment on whether we want this patch in >>> the first place, > > Dear Ard, Dave, > > I wanna hear some comment on above point. > Is CONFIG_REFCOUNT_FULL much better for arm? > If it is, I don't need to prepare v2 patch. (then, just needed to add > "select REFCOUNT_FULL") >
Well, we should probably turn that around. Please use REFCOUNT_FULL, until you run into a use case where the slowdown is noticeable. If nobody ever notices, we don't need to fix anything.
