netdev - Re: [PATCH net-next RFC 02/12] net: dsa: Remove prepare phase for FDB

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Date:   Thu, 06 Jul 2017 14:20:49 -0400
From:   Vivien Didelot <vivien.didelot@...oirfairelinux.com>
To:     Arkadi Sharshevsky <arkadis@...lanox.com>, netdev@...r.kernel.org
Cc:     davem@...emloft.net, jiri@...nulli.us, ivecera@...hat.com,
        f.fainelli@...il.com, andrew@...n.ch, Woojung.Huh@...rochip.com,
        stephen@...workplumber.org, mlxsw@...lanox.com,
        Arkadi Sharshevsky <arkadis@...lanox.com>
Subject: Re: [PATCH net-next RFC 02/12] net: dsa: Remove prepare phase for FDB

Arkadi Sharshevsky <arkadis@...lanox.com> writes:

> The prepare phase for FDB add is unneeded because most of DSA devices
> can have failures during bus transactions (SPI, I2C, etc.), thus, the
> prepare phase cannot guarantee success of the commit stage.
>
> The support for learning FDB through notification chain, which will be
> introduced in the following patches, will provide the ability to notify
> back the bridge about successful offload.
>
> Signed-off-by: Arkadi Sharshevsky <arkadis@...lanox.com>

Reviewed-by: Vivien Didelot <vivien.didelot@...oirfairelinux.com>