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From:   Vladimir Oltean <vladimir.oltean@nxp.com>
To:     Xiaoliang Yang <xiaoliang.yang_1@nxp.com>
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Subject: Re: [PATCH v5 net-next 1/9] net: mscc: ocelot: serialize access to
 the MAC table
Thread-Topic: [PATCH v5 net-next 1/9] net: mscc: ocelot: serialize access to
 the MAC table
Thread-Index: AQHXsSiNdI/FyYdkjEKxnocevBuSrqu1IG2A
Date:   Sat, 25 Sep 2021 19:13:08 +0000
Message-ID: <20210925191307.qoon6iz32gep6st7@skbuf>
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On Fri, Sep 24, 2021 at 05:52:18PM +0800, Xiaoliang Yang wrote:
> From: Vladimir Oltean <vladimir.oltean@nxp.com>
>=20
> DSA would like to remove the rtnl_lock from its
> SWITCHDEV_FDB_{ADD,DEL}_TO_DEVICE handlers, and the felix driver uses
> the same MAC table functions as ocelot.
>=20
> This means that the MAC table functions will no longer be implicitly
> serialized with respect to each other by the rtnl_mutex, we need to add
> a dedicated lock in ocelot for the non-atomic operations of selecting a
> MAC table row, reading/writing what we want and polling for completion.
>=20
> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
> ---

This patch needs your sign-off too.=