netdev - Re: [for-next 07/10] IB/mlx5: Use blue flame register allocator in mlx5

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Date:   Sun, 8 Jan 2017 08:22:57 +0200
From:   Leon Romanovsky <leonro@...lanox.com>
To:     David Miller <davem@...hat.com>
CC:     <eli@....mellanox.co.il>, <saeedm@...lanox.com>,
        <dledford@...hat.com>, <netdev@...r.kernel.org>,
        <linux-rdma@...r.kernel.org>, <eli@...lanox.com>,
        <matanb@...lanox.com>
Subject: Re: [for-next 07/10] IB/mlx5: Use blue flame register allocator in
 mlx5_ib

On Fri, Jan 06, 2017 at 11:11:31AM -0500, David Miller wrote:
> From: Leon Romanovsky <leonro@...lanox.com>
> Date: Fri, 6 Jan 2017 08:06:09 +0200
>
> > On Thu, Jan 05, 2017 at 03:07:31PM -0500, David Miller wrote:
> >> From: Eli Cohen <eli@....mellanox.co.il>
> >> Date: Thu, 5 Jan 2017 14:03:18 -0600
> >>
> >> > If necessary I can make sure it builds on 32 bits as well.
> >>
> >> Please do.
> >
> > Dave,
> >
> > I'm failing to understand the benefits of building mlx5 on 32 bits, and
> > see only disadvantages:
> >  * It is actual dead code without test coverage.
> >  * It misleads reviewers/customers by seeing code for 32 bits.
> >  * It adds compilation time for 32 bits platforms and "punishes" them
> >    for not relevant for them driver.
> >
> > Why do you call removing all that as a "regression"?
>
> We have this thing called "CONFIG_COMPILE_TEST", it has tons of value,
> perhaps you've seen it before?

Thanks David,
I see your point.

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