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From: Jason Gunthorpe <jgg@mellanox.com>
To: Alexander Duyck <alexander.duyck@gmail.com>
Cc: Christoph Hellwig <hch@infradead.org>,
	Jeff Kirsher <jeffrey.t.kirsher@intel.com>,
	David Miller <davem@davemloft.net>,
	Doug Ledford <dledford@redhat.com>,
	Sindhu Devale <sindhu.devale@intel.com>,
	Netdev <netdev@vger.kernel.org>,
	linux-rdma@vger.kernel.org, Neil Horman <nhorman@redhat.com>,
	Stefan Assmann <sassmann@redhat.com>,
	John Greene <jogreene@redhat.com>,
	Shiraz Saleem <shiraz.saleem@intel.com>
Subject: Re: [net-next] i40iw/i40e: Remove link dependency on i40e
Date: Wed, 23 May 2018 09:18:37 -0600	[thread overview]
Message-ID: <20180523151837.GD8692@mellanox.com> (raw)
In-Reply-To: <CAKgT0UeZRZ8O3PQWSz2Wod8HNjwc_bcuqqb70A7qypPn5kzW+Q@mail.gmail.com>

On Wed, May 23, 2018 at 08:03:44AM -0700, Alexander Duyck wrote:
> On Tue, May 22, 2018 at 11:19 PM, Christoph Hellwig <hch@infradead.org> 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
> hardware.

So provide the i40iw module when providing the i40e upgrade module?

I still can't understand why this is a problem that needs to be
solved in mainline, or why it deserves a special and unique fix to
i40e, or even what the *actual* problem is..

Jason

  reply	other threads:[~2018-05-23 15:18 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
2018-05-23 15:18         ` Jason Gunthorpe [this message]
2018-05-23 19:00 ` David Miller

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