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Date:   Wed, 2 Sep 2020 11:40:10 -0700
From:   Tom Rix <>
To:     David Miller <>
Subject: Re: [PATCH v2] net: openvswitch: pass NULL for unused parameters

On 9/1/20 1:11 PM, David Miller wrote:
> From:
> Date: Sun, 30 Aug 2020 14:26:30 -0700
>> Passing unused parameters is a waste.
> Poorly predicted branches are an even bigger waste.
> I'm not a big fan of this change and others have asked for performance
> analysis to be performed.
> So I'm not applying this as-is, sorry.

no worries.

I think these functions need a larger working over so the stats collecting are not in the core functions.

Thanks for giving it a look,


> It's also not great to see that CLANG can't make use of the caller's
> __always_unused directive to guide these warnings.

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