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Date:   Tue, 15 Sep 2020 23:49:12 +0300
From:   Oded Gabbay <>
To:     David Miller <>
Cc:     "Linux-Kernel@...r. Kernel. Org" <>,, SW_Drivers <>,
        Greg Kroah-Hartman <>,
        Jakub Kicinski <>, Andrew Lunn <>,
        Florian Fainelli <>
Subject: Re: [PATCH v3 00/14] Adding GAUDI NIC code to habanalabs driver

On Tue, Sep 15, 2020 at 11:42 PM David Miller <> wrote:
> From: Oded Gabbay <>
> Date: Tue, 15 Sep 2020 20:10:08 +0300
> > This is the second version of the patch-set to upstream the GAUDI NIC code
> > into the habanalabs driver.
> >
> > The only modification from v2 is in the ethtool patch (patch 12). Details
> > are in that patch's commit message.
> >
> > Link to v2 cover letter:
> >
> I agree with Jakub, this driver definitely can't go-in as it is currently
> structured and designed.
Why is that ?
Can you please point to the things that bother you or not working correctly?
I can't really fix the driver if I don't know what's wrong.

In addition, please read my reply to Jakub with the explanation of why
we designed this driver as is.

And because of the RDMA'ness of it, the RDMA
> folks have to be CC:'d and have a chance to review this.
As I said to Jakub, the driver doesn't use the RDMA infrastructure in
the kernel and we can't connect to it due to the lack of H/W support
we have
Therefore, I don't see why we need to CC linux-rdma.
I understood why Greg asked me to CC you because we do connect to the
netdev and standard eth infrastructure, but regarding the RDMA, it's
not really the same.


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