Re: [PATCH 1/5] rcusync: introduce struct rcu_sync_ops

[Peter Zijlstra]

On Fri, Oct 04, 2013 at 12:38:37PM -0700, Linus Torvalds wrote:
> On Fri, Oct 4, 2013 at 12:30 PM, Steven Rostedt <rostedt@xxxxxxxxxxx> wrote:
> >
> > As all the rcu_synchronization() methods (on non UP) are quite
> > expensive, I doubt that this optimization is worth anything.
> 
> Maybe. It just annoys me, because afaik, the function that gets called
> is always static per callsite.

Yes, very much so indeed. Worst is that we have no users of the regular
RCU and RCU_BH variants and only included them for completeness since
the general operation is just as valid for those.
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