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From: Alexander Duyck <>
To: Christoph Hellwig <>
Cc: Jeff Kirsher <>,
	Jason Gunthorpe <>,
	David Miller <>,
	Doug Ledford <>,
	Sindhu Devale <>,
	Netdev <>,, Neil Horman <>,
	Stefan Assmann <>,
	John Greene <>,
	Shiraz Saleem <>
Subject: Re: [net-next] i40iw/i40e: Remove link dependency on i40e
Date: Wed, 23 May 2018 08:03:44 -0700	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Tue, May 22, 2018 at 11:19 PM, Christoph Hellwig <> wrote:
> On Tue, May 22, 2018 at 02:04:06PM -0700, Jeff Kirsher wrote:
>> > Why would you want to do this? The rdma driver is non-functional
>> > without the ethernet driver, so why on earth would we want to defeat
>> > the module dependency mechanism?
>> This change is driven by the OSV's like Red Hat, where customer's were
>> updating the i40e driver, which in turn broke i40iw.
> Doctor it hurts when I do this..
> There is no reason to make a mess of our drivers because people are
> doing things they should haver never done and that aren't supported
> in Linux.
> If Intel didn;t offer any out of tree drivers I'm pretty sure no
> customer would even attempt this.  So fix this where the problem is.

Are you serious? You are never going to see out-of-tree drivers go
away. They exist for the simple reason that most customers/OSVs are
slow to upgrade their kernels so we have people running on a 3.10
something kernel on their RHEL 7.X and want to use the latest greatest

I find it ridiculous that you expect us to support a product with
in-kernel only and it is pretty short sighted to insist that that is
the only way to support a product.

With that said it probably wouldn't hurt to throw a WARN_ONCE in here
somewhere that basically informs the user they are doing something
stupid and essentially disabling the i40iw driver if they remove i40e.

- Alex

  reply	other threads:[~2018-05-23 15:03 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-22 20:38 Jeff Kirsher
2018-05-22 20:56 ` Jason Gunthorpe
2018-05-22 21:04   ` Jeff Kirsher
2018-05-22 21:33     ` Jason Gunthorpe
2018-05-22 21:50       ` Jeff Kirsher
2018-05-22 21:54         ` Jason Gunthorpe
2018-05-23  6:20         ` Christoph Hellwig
2018-05-23  6:19     ` Christoph Hellwig
2018-05-23 15:03       ` Alexander Duyck [this message]
2018-05-23 15:18         ` Jason Gunthorpe
2018-05-23 19:00 ` David Miller

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