netdev - Re: [PATCH net 1/4] docs: net: dsa: document the tagger-owned storage mechanism

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Date: Fri, 8 Dec 2023 14:32:55 -0800
From: Florian Fainelli <f.fainelli@...il.com>
To: Vladimir Oltean <vladimir.oltean@....com>, netdev@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>,
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>, Andrew Lunn <andrew@...n.ch>,
 Luiz Angelo Daros de Luca <luizluca@...il.com>,
 Alvin Šipraga <alsi@...g-olufsen.dk>,
 Madhuri Sripada <madhuri.sripada@...rochip.com>,
 Marcin Wojtas <mw@...ihalf.com>, Linus Walleij <linus.walleij@...aro.org>,
 Tobias Waldekranz <tobias@...dekranz.com>,
 Arun Ramadoss <arun.ramadoss@...rochip.com>,
 "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>,
 Jonathan Corbet <corbet@....net>
Subject: Re: [PATCH net 1/4] docs: net: dsa: document the tagger-owned storage
 mechanism

On 12/8/23 11:35, Vladimir Oltean wrote:
> Introduced 2 years ago in commit dc452a471dba ("net: dsa: introduce
> tagger-owned storage for private and shared data"), the tagger-owned
> storage mechanism has recently sparked some discussions which denote a
> general lack of developer understanding / awareness of it. There was
> also a bug in the ksz switch driver which indicates the same thing.

Link: https://lore.kernel.org/all/20231206071655.1626479-1-sean@geanix.com/

> 
> Admittedly, it is also not obvious to see the design constraints that
> led to the creation of such a complicated mechanism.
> 
> Here are some paragraphs that explain what it's about.
> 
> Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>

Reviewed-by: Florian Fainelli <florian.fainelli@...adcom.com>
-- 
Florian