On Wed, 2017-01-18 at 17:45 +0100, Tobias Klauser wrote:
> The network stack no longer uses the last_rx member of struct net_device
> since the bonding driver switched to use its own private last_rx in
> commit 9f242738376d ("bonding: use last_arp_rx in slave_last_rx()").
>
> However, some drivers still (ab)use the field for their own purposes and
> some driver just update it without actually using it.
>
> Previously, there was an accompanying comment for the last_rx member
> added in commit 4dc89133f49b ("net: add a comment on netdev->last_rx")
> which asked drivers not to update is, unless really needed. However,
> this commend was removed in commit f8ff080dacec ("bonding: remove
> useless updating of slave->dev->last_rx"), so some drivers added later
> on still did update last_rx.
>
> Remove all usage of last_rx and switch three drivers (sky2, atp and
> smc91c92_cs) which actually read and write it to use their own private
> copy in netdev_priv.
>
> Compile-tested with allyesconfig and allmodconfig on x86 and arm.
SGTM, thanks a lot for doing this Tobias.
Acked-by: Eric Dumazet <edumazet@xxxxxxxxxx>
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