linux-kernel - Re: GPU-DRM-TILCDC: Less function calls in tilcdc_convert_slave

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Date:   Fri, 23 Sep 2016 14:17:43 +0200
From:   SF Markus Elfring <elfring@...rs.sourceforge.net>
To:     Rob Clark <robdclark@...il.com>
Cc:     Jyri Sarha <jsarha@...com>, kernel-janitors@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        Julia Lawall <julia.lawall@...6.fr>,
        Tomi Valkeinen <tomi.valkeinen@...com>
Subject: Re: GPU-DRM-TILCDC: Less function calls in
 tilcdc_convert_slave_node() after error detection

>> I see a need to improve not only correctness there but also a bit of
>> software efficiency.
> 
> If you can measure any performance difference and present some results
> (esp. considering that this is something that just happens when the
> driver is loaded), then we'll talk.

Are you really interested to increase your software development attention
for a quicker exception handling implementation in this function?


> Until then, please don't send this sort of patch.  Thank you.

Will benchmark statistics change such a change rejection ever?

Regards,
Markus