From: Dave Airlie <airlied@gmail.com>
To: Oded Gabbay <oded.gabbay@gmail.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>,
Jerome Glisse <jglisse@redhat.com>,
Olof Johansson <olof@lixom.net>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
LKML <linux-kernel@vger.kernel.org>,
ogabbay@habana.ai, Arnd Bergmann <arnd@arndb.de>,
fbarrat@linux.ibm.com,
Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Subject: Re: [PATCH 00/15] Habana Labs kernel driver
Date: Thu, 24 Jan 2019 20:22:49 +1000 [thread overview]
Message-ID: <CAPM=9twdfFSevH-qq7Vf1F7-nAgYvAw9XYmEKT-8LYBc403Thw@mail.gmail.com> (raw)
In-Reply-To: <CAFCwf10fvFAXQCGXpJHdf2bBOEJ9ZXZvoUgH9JWbNOtnmELBmg@mail.gmail.com>
> I know I won't be able to convince you but I want to say that I think
> your arguments for full userspace open source are not really
> technical.
There is more to keeping a kernel going than technical argument unfortunately.
I guess the question for Greg, Olof etc, is do we care about Linux the
kernel, or Linux the open source ecosystem, if the former, these sort
of accelerator shim drivers are fine, useless to anyone who doesn't
have all the magic hidden userspace, and impossible to support for
anyone else, if the latter, we should leave the cost of maintenance to
the company benefiting from it and leave maintaining it out of tree.
Simple question like If I plug your accelerator into Power or ARM64,
where do I get the port of your userspace to use it?
I'm not the final arbiter on this sort of thing, but I'm definitely
going to make sure that anyone who lands this code is explicit in
ignoring any experience we've had in this area and in the future will
gladly accept "I told you so" :-)
Dave.
next prev parent reply other threads:[~2019-01-24 10:23 UTC|newest]
Thread overview: 103+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-23 0:00 [PATCH 00/15] Habana Labs kernel driver Oded Gabbay
2019-01-23 0:00 ` [PATCH 01/15] habanalabs: add skeleton driver Oded Gabbay
2019-01-23 0:49 ` Joe Perches
2019-01-25 19:18 ` Oded Gabbay
2019-01-23 12:28 ` Mike Rapoport
2019-01-23 12:40 ` Greg KH
2019-01-23 12:55 ` Mike Rapoport
2019-01-25 20:09 ` Oded Gabbay
2019-01-25 20:05 ` Oded Gabbay
2019-01-26 16:05 ` Arnd Bergmann
2019-01-26 16:24 ` Oded Gabbay
2019-01-26 21:14 ` Arnd Bergmann
2019-01-26 21:48 ` Oded Gabbay
2019-01-27 8:32 ` gregkh
2019-01-29 22:49 ` Oded Gabbay
2019-01-23 0:00 ` [PATCH 03/15] habanalabs: add basic Goya support Oded Gabbay
2019-01-23 12:28 ` Mike Rapoport
2019-01-25 20:32 ` Oded Gabbay
2019-01-27 6:39 ` Mike Rapoport
2019-01-28 7:44 ` Oded Gabbay
2019-01-23 0:00 ` [PATCH 04/15] habanalabs: add context and ASID modules Oded Gabbay
2019-01-23 12:28 ` Mike Rapoport
2019-01-25 21:07 ` Oded Gabbay
2019-01-23 0:00 ` [PATCH 05/15] habanalabs: add command buffer module Oded Gabbay
2019-01-23 12:28 ` Mike Rapoport
2019-01-25 21:47 ` Oded Gabbay
2019-01-27 6:49 ` Mike Rapoport
2019-01-28 7:55 ` Oded Gabbay
2019-01-28 8:41 ` Mike Rapoport
2019-01-23 0:00 ` [PATCH 06/15] habanalabs: add basic Goya h/w initialization Oded Gabbay
2019-01-25 7:46 ` Mike Rapoport
2019-01-28 10:35 ` Oded Gabbay
2019-01-23 0:00 ` [PATCH 07/15] habanalabs: add h/w queues module Oded Gabbay
2019-01-25 7:50 ` Mike Rapoport
2019-01-28 10:50 ` Oded Gabbay
2019-01-23 0:00 ` [PATCH 08/15] habanalabs: add event queue and interrupts Oded Gabbay
2019-01-25 7:51 ` Mike Rapoport
2019-01-28 11:14 ` Oded Gabbay
2019-01-23 0:00 ` [PATCH 09/15] habanalabs: add sysfs and hwmon support Oded Gabbay
2019-01-25 7:54 ` Mike Rapoport
2019-01-28 11:26 ` Oded Gabbay
2019-01-23 0:00 ` [PATCH 10/15] habanalabs: add device reset support Oded Gabbay
2019-01-27 7:51 ` Mike Rapoport
2019-01-28 12:53 ` Oded Gabbay
2019-01-23 0:00 ` [PATCH 11/15] habanalabs: add command submission module Oded Gabbay
2019-01-27 15:11 ` Mike Rapoport
2019-01-28 13:51 ` Oded Gabbay
2019-01-23 0:00 ` [PATCH 12/15] habanalabs: add virtual memory and MMU modules Oded Gabbay
2019-01-27 16:13 ` Mike Rapoport
2019-01-30 10:34 ` Oded Gabbay
2019-01-23 0:00 ` [PATCH 13/15] habanalabs: implement INFO IOCTL Oded Gabbay
2019-01-23 0:00 ` [PATCH 14/15] habanalabs: add debugfs support Oded Gabbay
2019-01-23 0:00 ` [PATCH 15/15] Update MAINTAINERS and CREDITS with habanalabs info Oded Gabbay
2019-01-23 12:27 ` [PATCH 00/15] Habana Labs kernel driver Mike Rapoport
2019-01-23 22:43 ` Oded Gabbay
2019-01-23 21:52 ` Olof Johansson
2019-01-23 22:40 ` Oded Gabbay
2019-01-23 23:16 ` Olof Johansson
2019-01-24 1:03 ` Andrew Donnellan
2019-01-24 11:59 ` Jonathan Cameron
2019-01-25 17:13 ` Olof Johansson
2019-02-24 22:23 ` Pavel Machek
2019-01-23 21:57 ` Dave Airlie
2019-01-23 22:02 ` Dave Airlie
2019-01-23 22:31 ` Oded Gabbay
2019-01-23 22:45 ` Dave Airlie
2019-01-23 23:04 ` Olof Johansson
2019-01-23 23:20 ` Jerome Glisse
2019-01-23 23:35 ` Oded Gabbay
2019-01-23 23:41 ` Olof Johansson
2019-01-23 23:40 ` Olof Johansson
2019-01-23 23:48 ` Jerome Glisse
2019-01-24 7:35 ` Daniel Vetter
2019-01-24 9:50 ` Oded Gabbay
2019-01-24 10:22 ` Dave Airlie [this message]
2019-01-25 0:13 ` Olof Johansson
2019-01-25 7:43 ` Daniel Vetter
2019-01-25 15:02 ` Olof Johansson
2019-01-25 16:00 ` Daniel Vetter
2019-01-24 23:51 ` Olof Johansson
2019-01-23 23:23 ` Oded Gabbay
2019-01-25 7:37 ` Greg Kroah-Hartman
2019-01-25 15:33 ` Olof Johansson
2019-01-25 16:06 ` Greg Kroah-Hartman
2019-01-25 17:12 ` Olof Johansson
2019-01-25 18:16 ` [PATCH/RFC 0/5] HW accel subsystem Olof Johansson
2019-01-25 18:16 ` [PATCH 1/5] drivers/accel: Introduce subsystem Olof Johansson
2019-01-25 21:13 ` [PATCH v2 " Olof Johansson
2019-01-26 17:09 ` Randy Dunlap
2019-01-27 4:31 ` Andrew Donnellan
2019-01-28 19:36 ` Frederic Barrat
2019-01-25 22:23 ` [PATCH " Daniel Vetter
2019-01-27 16:31 ` Daniel Vetter
2019-01-25 18:16 ` [PATCH 2/5] cxl: Move to drivers/accel Olof Johansson
2019-01-25 18:16 ` [PATCH 3/5] drivers/accel: cxl: Move non-uapi include files Olof Johansson
2019-01-25 18:16 ` [PATCH 4/5] ocxl: Move to drivers/accel Olof Johansson
2019-01-25 18:16 ` [PATCH 5/5] drivers/accel: ocxl: Move non-uapi include files Olof Johansson
2019-01-26 13:51 ` Greg Kroah-Hartman
2019-01-26 21:11 ` [PATCH/RFC 0/5] HW accel subsystem Arnd Bergmann
2019-02-01 9:10 ` Kenneth Lee
2019-02-01 10:07 ` Greg Kroah-Hartman
2019-02-01 12:09 ` Kenneth Lee
2019-01-26 13:52 ` [PATCH 00/15] Habana Labs kernel driver Greg Kroah-Hartman
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