netdev - Re: [PATCH v2 net 0/2] IB/ipoib: ip link support

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Date:   Mon, 15 Jan 2018 13:13:09 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     denisd@...lanox.com
Cc:     jgg@...lanox.com, dledford@...hat.com, leonro@...lanox.com,
        linux-rdma@...r.kernel.org, netdev@...r.kernel.org,
        gerlitz.or@...il.com
Subject: Re: [PATCH v2 net 0/2] IB/ipoib: ip link support

From: Denis Drozdov <denisd@...lanox.com>
Date: Tue,  9 Jan 2018 23:42:45 +0200

> IP link was broken due to the changes in IPoIB for the rdma_netdev
> support after commit cd565b4b51e5
> ("IB/IPoIB: Support acceleration options callbacks").
> 
> This patchset restores IPoIB pkey creation and removal using rtnetlink.
> The first patch introduces changes in the rtnetlink code in order to allow
> IPOIB allocate and free the netdevice.
> 
> The second patch establishes appropriate rtnetlink callbacks for IPoIB
> device and restores IPoIB netlink support
> 
> Changes since v1:
> - Fixed double free_netdev calls in ops->free_link in netdev_run_todo 
> - Removed priv_size from ipoib_link_ops as not required anymore.

Please fix your control flow so that the existing netlink op can do
the right thing.

We're not going to add a whole new set of netdev ops every time a subsystem
has a weird control flow issue that no other device type has.  Please fix
this inside of the IB stack, thank you.