Re: [GIT PULL] perf changes for v3.12

From: Frederic Weisbecker
Date: Thu Sep 05 2013 - 08:58:17 EST


On Thu, Sep 05, 2013 at 02:51:01PM +0200, Ingo Molnar wrote:
>
> * Frederic Weisbecker <fweisbec@xxxxxxxxx> wrote:
>
> > > Btw., a side note, append_chain() is a rather confusing function in
> > > itself, with logic-inversion gems like:
> > >
> > > if (!found)
> > > found = true;
> >
> > The check is pointless yeah, I'll remove that.
>
> Are you sure it can be removed as-is? It inverts the 'found' condition,
> which then can be used later on AFAICS. (I haven't looked very deeply
> though.)

Yeah in fact found is initialized to false. So the if (!found) is always true there.
May be it's a leftover from past version that relied on gotos or so.
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