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Date:   Mon, 8 Jul 2019 19:57:36 +0530
From:   Srikar Dronamraju <>
To:     "Enrico Weigelt, metux IT consult" <>
Cc:     Markus Elfring <>,, Ingo Molnar <>,
        Peter Zijlstra <>,
        LKML <>
Subject: Re: [PATCH] sched/topology: One function call less in

* Enrico Weigelt, metux IT consult <> [2019-07-08 11:38:58]:

> > 
> > At runtime, Are we avoiding a function call?
> > However I think we are avoiding a branch instead of a conditional, which may
> > be beneficial.
> If you're assuming the compiler doesn't already optimize that (no idea
> whether gcc really does that).
> @Markus: could you check what gcc is actually generating out of both the
> old and your new version ?

I had already tried looking at the object files both on X86 and PowerPc and
in both cases (with and without patch) the generated code differs.

> --mtx
> -- 
> Enrico Weigelt, metux IT consult
> Free software and Linux embedded engineering
> -- +49-151-27565287

Thanks and Regards
Srikar Dronamraju

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