linux-kernel - Re: [PATCH v2 net-next 3/5] net: dsa: microchip: add eth mac grouping for ethtool statistics

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Message-ID: <20230217164227.mw2cyp22bsnvuh6t@skbuf>
Date:   Fri, 17 Feb 2023 18:42:27 +0200
From:   Vladimir Oltean <olteanv@...il.com>
To:     Alexander Lobakin <aleksander.lobakin@...el.com>
Cc:     Rakesh Sankaranarayanan <rakesh.sankaranarayanan@...rochip.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        woojung.huh@...rochip.com, UNGLinuxDriver@...rochip.com,
        andrew@...n.ch, f.fainelli@...il.com, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com
Subject: Re: [PATCH v2 net-next 3/5] net: dsa: microchip: add eth mac
 grouping for ethtool statistics

On Fri, Feb 17, 2023 at 04:01:15PM +0100, Alexander Lobakin wrote:
> > +		++mib->cnt_ptr;
> 
> Reason for the pre-increment? :)

because it's kool

Somebody not that long ago suggested that pre-increment is "less resource consuming":
https://patchwork.kernel.org/project/netdevbpf/patch/677a5e37aab97a4f992d35c41329733c5f3082fb.1675407169.git.daniel@makrotopia.org/#25197216

Of course, when pressed to explain more, he stopped responding.