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From: Guenter Roeck <linux@roeck-us.net>
To: Vinod Koul <vinod.koul@intel.com>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>,
	ksummit-discuss@lists.linux-foundation.org,
	Jason Cooper <jason@lakedaemon.net>
Subject: Re: [Ksummit-discuss] [CORE TOPIC] stable workflow
Date: Mon, 11 Jul 2016 10:34:45 -0700	[thread overview]
Message-ID: <20160711173445.GB27538@roeck-us.net> (raw)
In-Reply-To: <20160711141833.GK9681@localhost>

On Mon, Jul 11, 2016 at 07:48:34PM +0530, Vinod Koul wrote:
> 
> I do whole heartedly agree to your arguments and yes that is a big
> issue. *BUT* what is the solution then, Maintainers do not even have
> hardware to test.
> 

One solution would be to have test beds available for use by everyone
to run tests on real hardware. kernelci.org tries to do that. My concern
with that approach is that hardware breaks down and needs constant
maintenance.

My personal favorite is to use qemu. That is not a perfect replacement for
real hardware (and it will never be possible to use it for, say, graphics
tests), but it could be used much more than today. Of course, its downsides
are that it doesn't really reflect the behavior of real hardware, and that
it also needs maintenance. On the plus side, it scales much better than real
hardware (all you need is more servers), and it is (relatively) easy to add
support for new hardware to it.

Guenter

  reply	other threads:[~2016-07-11 17:34 UTC|newest]

Thread overview: 259+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-07-08 22:35 Jiri Kosina
2016-07-08 23:12 ` Guenter Roeck
2016-07-08 23:38   ` Luck, Tony
2016-07-09  8:34     ` Jiri Kosina
2016-07-09  8:58       ` Guenter Roeck
2016-07-09  9:29       ` Johannes Berg
2016-07-09 15:19         ` Jason Cooper
2016-07-09 16:04           ` Guenter Roeck
2016-07-09 19:15         ` Vlastimil Babka
2016-08-01  9:32           ` Johannes Berg
2016-08-01 11:10             ` Vlastimil Babka
2016-07-09 18:39       ` Andrew Lunn
2016-07-10  1:22       ` Rafael J. Wysocki
2016-07-08 23:52   ` Rafael J. Wysocki
2016-07-09  0:06     ` Dmitry Torokhov
2016-07-09  8:37       ` Jiri Kosina
2016-07-09  9:12         ` Mark Brown
2016-07-09  0:10   ` Dmitry Torokhov
2016-07-09  0:37     ` Rafael J. Wysocki
2016-07-09  0:43       ` Dmitry Torokhov
2016-07-09  1:53         ` Guenter Roeck
2016-07-09 10:05         ` James Bottomley
2016-07-09 15:49           ` Trond Myklebust
2016-07-09 22:41             ` Dan Williams
2016-07-10  1:34             ` James Bottomley
2016-07-10  1:43               ` Trond Myklebust
2016-07-10  1:56                 ` James Bottomley
2016-07-10  2:12                   ` Trond Myklebust
2016-07-10  2:15                   ` Rafael J. Wysocki
2016-07-10  3:00                     ` James Bottomley
2016-07-10  3:07                       ` Trond Myklebust
2016-07-26 13:35                       ` David Woodhouse
2016-07-26 13:44                         ` Guenter Roeck
2016-07-26 14:33                           ` David Woodhouse
2016-07-26 15:52                             ` Guenter Roeck
2016-07-28 21:02                             ` Laurent Pinchart
2016-07-29  0:10                               ` Steven Rostedt
2016-07-29  8:59                                 ` Laurent Pinchart
2016-07-29 14:28                                   ` Steven Rostedt
2016-08-01 13:53                                     ` Shuah Khan
2016-08-03  4:47                                       ` Bird, Timothy
2016-07-29 15:12                                   ` Mark Brown
2016-07-29 15:20                                     ` Steven Rostedt
2016-07-29 15:50                                       ` Mark Brown
2016-07-29 16:06                                         ` Steven Rostedt
2016-07-29 16:48                                           ` Mark Brown
2016-07-29 17:02                                             ` Steven Rostedt
2016-07-29 21:07                                               ` Alexandre Belloni
2016-07-29 21:40                                                 ` Steven Rostedt
2016-08-01 13:41                                                   ` Laurent Pinchart
2016-07-30 16:19                                               ` Luis R. Rodriguez
2016-08-01 13:35                                     ` Laurent Pinchart
2016-08-01 14:24                                       ` Mark Brown
2016-08-02 14:12                       ` Jani Nikula
2016-08-02 15:34                         ` Mark Brown
2016-08-02 23:17                           ` Rafael J. Wysocki
2016-08-03  9:36                             ` Jani Nikula
2016-08-03 11:09                               ` Greg KH
2016-08-03 13:05                                 ` Jani Nikula
2016-08-03 13:26                                   ` Greg KH
2016-08-03 13:48                                     ` Jiri Kosina
2016-08-03 13:57                                       ` James Bottomley
2016-08-03 13:59                                         ` Jiri Kosina
2016-08-03 14:04                                           ` James Bottomley
2016-08-03 14:10                                             ` Jiri Kosina
2016-08-04  1:23                                             ` Steven Rostedt
2016-08-04  8:20                                               ` Greg KH
2016-08-04 13:33                                                 ` Steven Rostedt
2016-08-04 15:32                                                   ` Takashi Iwai
2016-08-04 15:40                                                     ` Steven Rostedt
2016-08-04 15:47                                                     ` Jiri Kosina
2016-08-04 16:18                                                       ` Takashi Iwai
2016-08-04 16:26                                                         ` Steven Rostedt
2016-08-04 15:44                                                   ` Mark Brown
2016-08-04 15:56                                                     ` James Bottomley
2016-08-04 17:01                                                       ` Mark Brown
2016-08-04 17:11                                                         ` Steven Rostedt
2016-08-04 17:53                                                           ` Mark Brown
2016-08-05  8:16                                                           ` Jani Nikula
2016-08-04 16:14                                                     ` Steven Rostedt
2016-08-04 17:51                                                       ` Mark Brown
2016-08-04 18:16                                                       ` Geert Uytterhoeven
2016-08-04 18:44                                                         ` Steven Rostedt
2016-08-04 18:48                                                           ` Geert Uytterhoeven
2016-08-04 19:06                                                             ` Mark Brown
2016-08-04 18:52                                                           ` Laurent Pinchart
2016-08-04 19:30                                                             ` Steven Rostedt
2016-08-03 14:45                                         ` Mark Brown
2016-08-04 13:48                                         ` Geert Uytterhoeven
2016-08-03 14:19                                       ` Greg KH
2016-08-03 14:45                                         ` Jiri Kosina
2016-08-03 15:48                                           ` Guenter Roeck
2016-08-03 16:12                                             ` Dmitry Torokhov
2016-08-03 16:44                                               ` Guenter Roeck
2016-08-03 17:20                                                 ` Dmitry Torokhov
2016-08-03 18:21                                                   ` Guenter Roeck
2016-08-03 18:59                                                     ` Dmitry Torokhov
2016-08-03 21:25                                                       ` Jiri Kosina
2016-08-03 21:31                                                         ` Dmitry Torokhov
2016-08-03 21:36                                                           ` Jiri Kosina
2016-08-04  3:06                                                             ` Steven Rostedt
2016-08-03 22:25                                                           ` Guenter Roeck
2016-08-04 14:02                                                         ` Jan Kara
2016-08-03 18:57                                                 ` Jiri Kosina
2016-08-03 22:16                                                   ` Guenter Roeck
2016-08-04  3:14                                               ` Steven Rostedt
2016-08-04  3:32                                                 ` Dmitry Torokhov
2016-08-04  4:05                                                   ` Steven Rostedt
2016-08-04  8:27                                               ` Greg KH
2016-08-04  8:21                                             ` Greg KH
2016-08-05  4:46                                             ` Jonathan Cameron
2016-08-03 14:12                                     ` Jani Nikula
2016-08-03 14:33                                       ` Daniel Vetter
2016-08-03 13:20                                 ` Rafael J. Wysocki
2016-08-03 13:21                                   ` Jiri Kosina
2016-08-04  1:05                                     ` Rafael J. Wysocki
2016-08-03 13:39                                   ` Greg KH
2016-08-03 14:10                                     ` Chris Mason
2016-08-04  0:37                                     ` Rafael J. Wysocki
2016-08-03 15:47                                 ` Guenter Roeck
2016-08-04  8:25                                   ` Greg KH
2016-08-03 11:12                               ` Mark Brown
2016-07-10  2:27                   ` Dan Williams
2016-07-10  6:10                     ` Guenter Roeck
2016-07-11  4:03                     ` [Ksummit-discuss] [CORE TOPIC] kernel unit testing Trond Myklebust
2016-07-11  4:22                       ` James Bottomley
2016-07-11  4:30                         ` Trond Myklebust
2016-07-11  5:23                       ` Guenter Roeck
2016-07-11  8:56                         ` Hannes Reinecke
2016-07-11 16:20                         ` Mark Brown
2016-07-11 19:58                       ` Dan Williams
2016-07-12  9:35                         ` Jan Kara
2016-07-13  4:56                           ` Dan Williams
2016-07-13  9:04                             ` Jan Kara
2016-07-11 20:24                       ` Kevin Hilman
2016-07-11 23:03                         ` Guenter Roeck
2016-07-18  7:44                           ` Christian Borntraeger
2016-07-18  8:44                             ` Hannes Reinecke
2016-07-28 21:09                         ` Laurent Pinchart
2016-07-28 21:33                           ` Bird, Timothy
2016-08-02 18:42                           ` Kevin Hilman
2016-08-02 19:44                             ` Laurent Pinchart
2016-08-02 20:33                               ` Mark Brown
2016-07-13  4:48                       ` Alex Shi
2016-07-13  9:07                         ` Greg KH
2016-07-13 12:37                           ` Alex Shi
2016-07-13 19:59                             ` Olof Johansson
2016-07-13 22:23                               ` Alex Shi
2016-07-14  1:19                             ` Greg KH
2016-07-14  9:48                               ` Alex Shi
2016-07-14  9:54                                 ` Ard Biesheuvel
2016-07-14 14:13                                   ` Alex Shi
2016-07-13 14:34                           ` Mark Brown
2016-07-14  3:17                             ` Greg KH
2016-07-14 10:06                               ` Mark Brown
2016-07-15  0:22                                 ` Greg KH
2016-07-15  0:51                                   ` Guenter Roeck
2016-07-15  1:41                                     ` Greg KH
2016-07-15  2:56                                       ` Guenter Roeck
2016-07-15  4:29                                         ` Greg KH
2016-07-15  5:52                                           ` NeilBrown
2016-07-15  6:14                                             ` Greg KH
2016-07-15  7:02                                               ` Jiri Kosina
2016-07-15 11:42                                                 ` Greg KH
2016-07-15 11:47                                                   ` Jiri Kosina
2016-07-15 12:17                                                   ` Geert Uytterhoeven
2016-07-15  6:19                                             ` Rik van Riel
2016-07-15 12:17                                               ` Mark Brown
2016-07-26 13:45                                                 ` David Woodhouse
2016-07-15  6:32                                             ` James Bottomley
2016-07-15  7:01                                               ` NeilBrown
2016-07-15  7:28                                                 ` James Bottomley
2016-07-15  7:36                                                 ` Dmitry Torokhov
2016-07-15  9:29                                                   ` NeilBrown
2016-07-15 16:08                                                     ` Dmitry Torokhov
2016-07-15 11:05                                               ` Geert Uytterhoeven
2016-07-15 12:35                                                 ` James Bottomley
2016-07-15 12:44                                                   ` Geert Uytterhoeven
2016-07-15 11:24                                             ` Vlastimil Babka
2016-07-28 22:07                                               ` Laurent Pinchart
2016-07-21  7:13                                           ` Daniel Vetter
2016-07-21  7:44                                             ` Josh Triplett
2016-07-15 11:10                                     ` Mark Brown
2016-07-15 11:40                                       ` Greg KH
2016-07-15 12:38                                         ` Mark Brown
2016-07-10  2:07                 ` [Ksummit-discuss] [CORE TOPIC] stable workflow Rafael J. Wysocki
2016-07-10  6:19               ` Olof Johansson
2016-07-10 14:42                 ` Theodore Ts'o
2016-07-11  1:18                   ` Olof Johansson
2016-07-10  7:29           ` Takashi Iwai
2016-07-10 10:20             ` Jiri Kosina
2016-07-10 13:33               ` Guenter Roeck
2016-07-15  9:27                 ` Zefan Li
2016-07-15 13:52                   ` Guenter Roeck
2016-07-26 13:08           ` David Woodhouse
2016-07-10  7:37     ` Takashi Iwai
2016-07-09  0:06 ` Jason Cooper
2016-07-09  0:42   ` James Bottomley
2016-07-09  8:43     ` Jiri Kosina
2016-07-09  9:36       ` Mark Brown
2016-07-09 15:13         ` Guenter Roeck
2016-07-09 19:40           ` Sudip Mukherjee
2016-07-11  8:14             ` Jiri Kosina
2016-07-09 21:21           ` Theodore Ts'o
2016-07-11 15:13             ` Mark Brown
2016-07-11 17:03               ` Theodore Ts'o
2016-07-11 17:07                 ` Justin Forbes
2016-07-11 17:11                 ` Mark Brown
2016-07-11 17:13                   ` Olof Johansson
2016-07-11 17:17                     ` Mark Brown
2016-07-11 17:24                       ` Guenter Roeck
2016-07-11 17:44                         ` Mark Brown
2016-07-13  1:08                   ` Geert Uytterhoeven
2016-07-11 17:15                 ` Dmitry Torokhov
2016-07-11 17:20                   ` Theodore Ts'o
2016-07-11 17:26                     ` Dmitry Torokhov
2016-07-11 17:27                     ` Olof Johansson
2016-07-11 23:13                   ` Guenter Roeck
2016-07-11 17:17                 ` Josh Boyer
2016-07-11 22:42                 ` James Bottomley
2016-07-20 17:50                 ` Stephen Hemminger
2016-07-11  8:18           ` Jiri Kosina
2016-07-11 23:32             ` Guenter Roeck
2016-07-11 14:22           ` Mark Brown
2016-07-10 16:22         ` Vinod Koul
2016-07-10 17:01           ` Theodore Ts'o
2016-07-10 18:28             ` Guenter Roeck
2016-07-10 22:38               ` Rafael J. Wysocki
2016-07-11  8:47                 ` Jiri Kosina
2016-07-27  3:19                 ` Steven Rostedt
2016-07-10 22:39               ` Theodore Ts'o
2016-07-11  1:12                 ` Olof Johansson
2016-07-11  5:00             ` Vinod Koul
2016-07-11  5:13               ` Theodore Ts'o
2016-07-11 10:57                 ` Luis de Bethencourt
2016-07-11 14:18                 ` Vinod Koul
2016-07-11 17:34                   ` Guenter Roeck [this message]
2016-07-27  3:12                   ` Steven Rostedt
2016-07-27  4:36                     ` Vinod Koul
2016-07-09 14:57     ` Jason Cooper
2016-07-09 22:51       ` Jonathan Corbet
2016-07-10  7:21 ` Takashi Iwai
2016-07-11  7:44 ` Christian Borntraeger
2016-08-02 13:49 ` Jani Nikula
  -- strict thread matches above, loose matches on Subject: below --
2014-05-02 19:42 Jiri Kosina
2014-05-02 19:43 ` Josh Boyer
2014-05-02 20:09 ` Steven Rostedt
2014-05-02 20:12   ` Jiri Kosina
2014-05-02 20:22     ` Josh Boyer
2014-05-02 20:27     ` Steven Rostedt
2014-05-02 20:30       ` Jiri Kosina
2014-05-03 15:20       ` Greg Kroah-Hartman
2014-05-03 15:40       ` Greg Kroah-Hartman
2014-05-02 22:16     ` Jan Kara
2014-05-02 20:33 ` Ben Hutchings
2014-05-02 20:51 ` Paul E. McKenney
2014-05-02 20:57 ` Mark Brown
2014-05-02 23:35   ` Guenter Roeck
2014-05-03 15:22 ` Greg KH

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