Re: [PATCH 6/8] rbtree: Implement generic latch_tree

[Peter Zijlstra]

On Thu, Mar 19, 2015 at 05:36:36PM -0400, Steven Rostedt wrote:
> On Thu, 19 Mar 2015 13:58:33 -0700
> Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> 
> > OK.  This code is basically required to support perf/ftrace and
> > modules, yes?  Presumably small and space-constrained systems aren't
> > using either, so they don't take the hit.
> > 
> > However CONFIG_MODULES systems which aren't using perf/ftrace _do_ take
> > a hit.  How many systems are we talking here?  All non-x86?
> 
> Compromise... (Totally untested)

It only makes sense to out-of-line __lt_insert() (to avoid it being
inlined twice). And for that we can create an instantiation macro such
that it can still inline the comparison.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/