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From: Jason Gunthorpe <jgg@nvidia.com>
To: "Rimmer, Todd" <todd.rimmer@intel.com>
Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>,
	"Wan, Kaike" <kaike.wan@intel.com>,
	"dledford@redhat.com" <dledford@redhat.com>,
	"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>
Subject: Re: [PATCH RFC 0/9] A rendezvous module
Date: Fri, 19 Mar 2021 20:06:44 -0300	[thread overview]
Message-ID: <20210319230644.GI2356281@nvidia.com> (raw)
In-Reply-To: <BL0PR11MB329976F1C41951957E2DBE79F6689@BL0PR11MB3299.namprd11.prod.outlook.com>

On Fri, Mar 19, 2021 at 10:57:20PM +0000, Rimmer, Todd wrote:

> We'd like advise on a challenging situation.  Some customers desire
> NICs to support nVidia GPUs in some environments. Unfortunately the
> nVidia GPU drivers are not upstream, and have not been for years.

Yep.

> So we are forced to have both out of tree and upstream versions of
> the code.

Sure

>  We need the same applications to be able to work over
> both, so we would like the GPU enabled versions of the code to have
> the same ABI as the upstream code as this greatly simplifies things.

The only answer is to get it upstream past community review before you
ship anything to customers.

> We have removed all GPU specific code from the upstream submission,
> but used both the "alignment holes" and the "reserved" mechanisms to
> hold places for GPU specific fields which can't be upstreamed.

Sorry, nope, you have to do something else. We will *not* have garbage
in upstream or be restricted in any way based on out of tree code.

Jason

  reply	other threads:[~2021-03-19 23:07 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-19 12:56 [PATCH RFC 0/9] A rendezvous module kaike.wan
2021-03-19 12:56 ` [PATCH RFC 1/9] RDMA/rv: Public interferce for the RDMA Rendezvous module kaike.wan
2021-03-19 16:00   ` Jason Gunthorpe
2021-03-19 12:56 ` [PATCH RFC 2/9] RDMA/rv: Add the internal header files kaike.wan
2021-03-19 16:02   ` Jason Gunthorpe
2021-03-19 12:56 ` [PATCH RFC 3/9] RDMA/rv: Add the rv module kaike.wan
2021-03-19 12:56 ` [PATCH RFC 4/9] RDMA/rv: Add functions for memory region cache kaike.wan
2021-03-19 12:56 ` [PATCH RFC 5/9] RDMA/rv: Add function to register/deregister memory region kaike.wan
2021-03-19 12:56 ` [PATCH RFC 6/9] RDMA/rv: Add connection management functions kaike.wan
2021-03-19 12:56 ` [PATCH RFC 7/9] RDMA/rv: Add functions for RDMA transactions kaike.wan
2021-03-19 12:56 ` [PATCH RFC 8/9] RDMA/rv: Add functions for file operations kaike.wan
2021-03-19 12:56 ` [PATCH RFC 9/9] RDMA/rv: Integrate the file operations into the rv module kaike.wan
2021-03-19 13:53 ` [PATCH RFC 0/9] A rendezvous module Jason Gunthorpe
2021-03-19 14:49   ` Wan, Kaike
2021-03-19 15:48     ` Jason Gunthorpe
2021-03-19 19:22       ` Dennis Dalessandro
2021-03-19 19:44         ` Jason Gunthorpe
2021-03-19 20:12           ` Rimmer, Todd
2021-03-19 20:26             ` Jason Gunthorpe
2021-03-19 20:46               ` Rimmer, Todd
2021-03-19 20:54                 ` Jason Gunthorpe
2021-03-19 20:59                   ` Wan, Kaike
2021-03-19 21:28                     ` Dennis Dalessandro
2021-03-19 21:58                       ` Wan, Kaike
2021-03-19 22:35                         ` Jason Gunthorpe
2021-03-19 22:57                       ` Rimmer, Todd
2021-03-19 23:06                         ` Jason Gunthorpe [this message]
2021-03-20 16:39                         ` Dennis Dalessandro
2021-03-21  8:56                           ` Leon Romanovsky
2021-03-21 16:24                             ` Dennis Dalessandro
2021-03-21 16:45                               ` Jason Gunthorpe
2021-03-21 17:21                                 ` Dennis Dalessandro
2021-03-21 18:08                                   ` Jason Gunthorpe
2021-03-22 15:17                                     ` Rimmer, Todd
2021-03-22 16:47                                       ` Jason Gunthorpe
2021-03-22 17:31                                     ` Hefty, Sean
2021-03-23 22:56                                       ` Jason Gunthorpe
2021-03-23 23:29                                         ` Rimmer, Todd
2021-03-21 19:19                                   ` Wan, Kaike
2021-03-23 15:36                                   ` Christoph Hellwig
2021-03-23 15:35                                 ` Christoph Hellwig
2021-03-23 15:33                               ` Christoph Hellwig
2021-03-23 15:30                         ` Christoph Hellwig
2021-03-23 15:46                           ` Jason Gunthorpe
2021-03-23 16:07                             ` Christoph Hellwig
2021-03-23 17:25                               ` Rimmer, Todd
2021-03-23 17:44                                 ` Jason Gunthorpe
2021-03-19 20:18           ` Dennis Dalessandro
2021-03-19 20:30             ` Jason Gunthorpe
2021-03-19 20:34       ` Hefty, Sean
2021-03-21 12:08         ` Jason Gunthorpe

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