From: Ingo Molnar <mingo@elte.hu>
To: Joerg Roedel <joro@8bytes.org>
Cc: Avi Kivity <avi@redhat.com>,
Anthony Liguori <anthony@codemonkey.ws>,
Pekka Enberg <penberg@cs.helsinki.fi>,
"Zhang, Yanmin" <yanmin_zhang@linux.intel.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Sheng Yang <sheng@linux.intel.com>,
linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
Marcelo Tosatti <mtosatti@redhat.com>,
Jes Sorensen <Jes.Sorensen@redhat.com>,
Gleb Natapov <gleb@redhat.com>,
Zachary Amsden <zamsden@redhat.com>,
ziteng.huang@intel.com,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Fr?d?ric Weisbecker <fweisbec@gmail.com>
Subject: Re: [RFC] Unify KVM kernel-space and user-space code into a single project
Date: Mon, 22 Mar 2010 20:49:36 +0100 [thread overview]
Message-ID: <20100322194936.GB3306@elte.hu> (raw)
In-Reply-To: <20100322192059.GG1940@8bytes.org>
* Joerg Roedel <joro@8bytes.org> wrote:
> On Mon, Mar 22, 2010 at 05:32:15PM +0100, Ingo Molnar wrote:
> > I dont know how you can find the situation of Alpha comparable, which is a
> > legacy architecture for which no new CPU was manufactored in the past ~10
> > years.
> >
> > The negative effects of physical obscolescence cannot be overcome even by the
> > very best of development models ...
>
> The maintainers of that architecture could at least continue to maintain it.
> But that is not the case. Most newer syscalls are not available and overall
> stability on alpha sucks (kernel crashed when I tried to start Xorg for
> example) but nobody cares about it. Hardware is still around and there are
> still some users of it.
You are arguing why maintainers do not act as you suggest, against the huge
negative effects of physical obscolescence?
Please use common sense: they dont act because ... there are huge negative
effects due to physical obscolescence?
No amount of development model engineering can offset that negative.
Thanks,
Ingo
next prev parent reply other threads:[~2010-03-22 19:49 UTC|newest]
Thread overview: 376+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-16 5:27 [PATCH] Enhance perf to collect KVM guest os statistics from host side Zhang, Yanmin
2010-03-16 5:41 ` Avi Kivity
2010-03-16 7:24 ` Ingo Molnar
2010-03-16 9:20 ` Avi Kivity
2010-03-16 9:53 ` Ingo Molnar
2010-03-16 10:13 ` Avi Kivity
2010-03-16 10:20 ` Ingo Molnar
2010-03-16 10:40 ` Avi Kivity
2010-03-16 10:50 ` Ingo Molnar
2010-03-16 11:10 ` Avi Kivity
2010-03-16 11:25 ` Ingo Molnar
2010-03-16 12:21 ` Avi Kivity
2010-03-16 12:29 ` Ingo Molnar
2010-03-16 12:41 ` Avi Kivity
2010-03-16 13:08 ` Ingo Molnar
2010-03-16 13:16 ` Avi Kivity
2010-03-16 13:31 ` Ingo Molnar
2010-03-16 13:37 ` Avi Kivity
2010-03-16 15:06 ` Frank Ch. Eigler
2010-03-16 15:52 ` Ingo Molnar
2010-03-16 16:08 ` Frank Ch. Eigler
2010-03-16 16:35 ` Ingo Molnar
2010-03-16 17:34 ` Anthony Liguori
2010-03-16 17:52 ` Ingo Molnar
2010-03-16 18:06 ` Anthony Liguori
2010-03-16 18:28 ` Ingo Molnar
2010-03-16 23:04 ` Anthony Liguori
2010-03-17 0:41 ` Frank Ch. Eigler
2010-03-17 3:54 ` Avi Kivity
2010-03-17 8:16 ` Ingo Molnar
2010-03-17 8:20 ` Avi Kivity
2010-03-17 8:59 ` Ingo Molnar
2010-03-18 5:27 ` Huang, Zhiteng
2010-03-17 8:14 ` Ingo Molnar
2010-03-17 8:53 ` Ingo Molnar
2010-03-16 17:06 ` Anthony Liguori
2010-03-16 17:39 ` Ingo Molnar
2010-03-16 23:07 ` Anthony Liguori
2010-03-17 8:10 ` [RFC] Unify KVM kernel-space and user-space code into a single project Ingo Molnar
2010-03-18 8:20 ` Avi Kivity
2010-03-18 8:56 ` Ingo Molnar
2010-03-18 9:24 ` Alexander Graf
2010-03-18 10:10 ` Ingo Molnar
2010-03-18 10:21 ` Avi Kivity
2010-03-18 11:35 ` Ingo Molnar
2010-03-18 12:00 ` Alexander Graf
2010-03-18 12:33 ` Frank Ch. Eigler
2010-03-18 13:01 ` John Kacur
2010-03-18 14:25 ` Ingo Molnar
2010-03-18 14:39 ` Frank Ch. Eigler
2010-03-18 13:02 ` Ingo Molnar
2010-03-18 13:10 ` Avi Kivity
2010-03-18 13:31 ` Ingo Molnar
2010-03-18 13:44 ` Daniel P. Berrange
2010-03-18 13:59 ` Ingo Molnar
2010-03-18 14:06 ` John Kacur
2010-03-18 14:11 ` Ingo Molnar
2010-03-18 13:46 ` Avi Kivity
2010-03-18 13:57 ` Ingo Molnar
2010-03-18 14:25 ` Avi Kivity
2010-03-18 14:36 ` Ingo Molnar
2010-03-18 14:51 ` Avi Kivity
2010-03-18 13:24 ` Frank Ch. Eigler
2010-03-18 13:48 ` Ingo Molnar
2010-03-18 10:12 ` Avi Kivity
2010-03-18 10:28 ` Ingo Molnar
2010-03-18 10:50 ` Ingo Molnar
2010-03-18 11:30 ` Avi Kivity
2010-03-18 11:48 ` Ingo Molnar
2010-03-18 12:22 ` Avi Kivity
2010-03-18 13:00 ` Ingo Molnar
2010-03-18 13:36 ` Avi Kivity
2010-03-18 14:09 ` Ingo Molnar
2010-03-18 14:38 ` Avi Kivity
2010-03-18 17:16 ` Ingo Molnar
2010-03-18 14:59 ` Anthony Liguori
2010-03-18 15:17 ` Ingo Molnar
2010-03-18 16:11 ` Anthony Liguori
2010-03-18 16:28 ` Ingo Molnar
2010-03-18 16:38 ` Anthony Liguori
2010-03-18 16:51 ` Pekka Enberg
2010-03-18 17:02 ` Ingo Molnar
2010-03-18 17:09 ` Avi Kivity
2010-03-18 17:28 ` Ingo Molnar
2010-03-19 7:56 ` Avi Kivity
2010-03-19 8:53 ` Ingo Molnar
2010-03-19 12:56 ` Anthony Liguori
2010-03-21 19:17 ` Ingo Molnar
2010-03-21 19:35 ` Antoine Martin
2010-03-21 19:59 ` Ingo Molnar
2010-03-21 20:09 ` Avi Kivity
2010-03-21 21:00 ` Ingo Molnar
2010-03-21 21:44 ` Avi Kivity
2010-03-21 23:43 ` Anthony Liguori
2010-03-21 20:01 ` Avi Kivity
2010-03-21 20:08 ` Olivier Galibert
2010-03-21 20:11 ` Avi Kivity
[not found] ` <4BA67D75.8060809@redhat.com>
2010-03-21 20:18 ` Antoine Martin
2010-03-21 20:24 ` Avi Kivity
2010-03-21 20:31 ` Antoine Martin
2010-03-21 21:03 ` Avi Kivity
2010-03-21 21:20 ` Ingo Molnar
2010-03-22 6:35 ` Avi Kivity
2010-03-22 11:48 ` Ingo Molnar
2010-03-22 12:31 ` Pekka Enberg
2010-03-22 12:37 ` Daniel P. Berrange
2010-03-22 12:44 ` Pekka Enberg
2010-03-22 12:54 ` Ingo Molnar
2010-03-22 13:05 ` Daniel P. Berrange
2010-03-22 13:23 ` Richard W.M. Jones
2010-03-22 14:02 ` Ingo Molnar
2010-03-22 14:20 ` oerg Roedel
2010-03-22 13:56 ` Ingo Molnar
2010-03-22 14:01 ` Richard W.M. Jones
2010-03-22 14:07 ` Ingo Molnar
2010-03-22 12:36 ` Avi Kivity
2010-03-22 12:50 ` Pekka Enberg
2010-03-22 6:59 ` Zhang, Yanmin
2010-03-22 12:05 ` Antoine Martin
2010-03-21 20:37 ` Ingo Molnar
2010-03-22 6:37 ` Avi Kivity
2010-03-22 11:39 ` Ingo Molnar
2010-03-22 12:44 ` Avi Kivity
2010-03-22 12:54 ` Daniel P. Berrange
2010-03-22 14:26 ` Ingo Molnar
2010-03-22 17:29 ` Avi Kivity
2010-03-21 20:31 ` Ingo Molnar
2010-03-21 21:30 ` Avi Kivity
2010-03-21 21:52 ` Ingo Molnar
2010-03-22 6:49 ` Avi Kivity
2010-03-22 11:23 ` Ingo Molnar
2010-03-22 12:49 ` Avi Kivity
2010-03-22 13:01 ` Pekka Enberg
2010-03-22 14:54 ` Ingo Molnar
2010-03-22 19:04 ` Avi Kivity
2010-03-23 9:46 ` Olivier Galibert
2010-03-22 14:47 ` Ingo Molnar
2010-03-22 18:15 ` Avi Kivity
2010-03-22 11:10 ` oerg Roedel
2010-03-22 12:22 ` Ingo Molnar
2010-03-22 13:46 ` Joerg Roedel
2010-03-22 16:32 ` Ingo Molnar
2010-03-22 17:17 ` Frank Ch. Eigler
2010-03-22 17:27 ` Pekka Enberg
2010-03-22 17:32 ` Avi Kivity
2010-03-22 17:39 ` Ingo Molnar
2010-03-22 17:58 ` Avi Kivity
2010-03-22 17:52 ` Pekka Enberg
2010-03-22 18:04 ` Avi Kivity
2010-03-22 18:10 ` Pekka Enberg
2010-03-22 18:55 ` Avi Kivity
2010-03-22 17:43 ` Ingo Molnar
2010-03-22 18:02 ` Avi Kivity
2010-03-22 17:44 ` Avi Kivity
2010-03-22 19:10 ` Ingo Molnar
2010-03-22 19:18 ` Anthony Liguori
2010-03-22 19:23 ` Avi Kivity
2010-03-22 19:28 ` Andrea Arcangeli
2010-03-22 19:20 ` Joerg Roedel
2010-03-22 19:28 ` Avi Kivity
2010-03-22 19:49 ` Ingo Molnar [this message]
2010-03-21 23:35 ` Anthony Liguori
2010-03-20 7:35 ` Avi Kivity
2010-03-21 19:06 ` Ingo Molnar
2010-03-21 20:22 ` Avi Kivity
2010-03-21 20:55 ` Ingo Molnar
2010-03-21 21:42 ` Avi Kivity
2010-03-21 21:54 ` Ingo Molnar
2010-03-22 0:16 ` Anthony Liguori
2010-03-22 11:59 ` Ingo Molnar
2010-03-22 7:13 ` Avi Kivity
2010-03-22 11:14 ` Ingo Molnar
2010-03-22 11:23 ` Alexander Graf
2010-03-22 12:33 ` Lukas Kolbe
2010-03-22 12:29 ` Avi Kivity
2010-03-22 12:44 ` Ingo Molnar
2010-03-22 12:52 ` Avi Kivity
2010-03-22 14:32 ` Ingo Molnar
2010-03-22 14:43 ` Anthony Liguori
2010-03-22 15:55 ` Ingo Molnar
2010-03-22 16:08 ` Anthony Liguori
2010-03-22 16:59 ` Ingo Molnar
2010-03-22 18:28 ` Anthony Liguori
2010-03-22 17:11 ` Ingo Molnar
2010-03-22 18:30 ` Anthony Liguori
2010-03-22 16:12 ` Avi Kivity
2010-03-22 16:16 ` Avi Kivity
2010-03-22 16:40 ` Pekka Enberg
2010-03-22 18:06 ` Avi Kivity
2010-03-22 16:51 ` Ingo Molnar
2010-03-22 17:08 ` Avi Kivity
2010-03-22 17:34 ` Ingo Molnar
2010-03-22 17:55 ` Avi Kivity
2010-03-22 19:15 ` Anthony Liguori
2010-03-22 19:31 ` Daniel P. Berrange
2010-03-22 19:33 ` Anthony Liguori
2010-03-22 19:39 ` Alexander Graf
2010-03-22 19:54 ` Ingo Molnar
2010-03-22 19:58 ` Alexander Graf
2010-03-22 20:21 ` Ingo Molnar
2010-03-22 20:35 ` Avi Kivity
2010-03-23 10:48 ` Bernd Petrovitsch
2010-03-22 20:19 ` Antoine Martin
2010-03-22 20:00 ` Antoine Martin
2010-03-22 20:58 ` Daniel P. Berrange
2010-03-22 19:20 ` Ingo Molnar
2010-03-22 19:44 ` Avi Kivity
2010-03-22 20:06 ` Ingo Molnar
2010-03-22 20:15 ` Avi Kivity
2010-03-22 20:29 ` Ingo Molnar
2010-03-22 20:40 ` Avi Kivity
2010-03-22 18:35 ` Anthony Liguori
2010-03-22 19:22 ` Ingo Molnar
2010-03-22 19:29 ` Anthony Liguori
2010-03-22 20:32 ` Ingo Molnar
2010-03-22 20:43 ` Avi Kivity
2010-03-22 19:45 ` Avi Kivity
2010-03-22 20:35 ` Ingo Molnar
2010-03-22 20:45 ` Avi Kivity
2010-03-22 18:41 ` Anthony Liguori
2010-03-22 19:27 ` Ingo Molnar
2010-03-22 19:47 ` Avi Kivity
2010-03-22 20:46 ` Ingo Molnar
2010-03-22 20:53 ` Avi Kivity
2010-03-22 22:06 ` Anthony Liguori
2010-03-23 9:07 ` Avi Kivity
2010-03-23 14:09 ` Anthony Liguori
2010-03-23 10:13 ` Kevin Wolf
2010-03-23 10:28 ` Antoine Martin
2010-03-23 14:06 ` Joerg Roedel
2010-03-23 16:39 ` Avi Kivity
2010-03-23 18:21 ` Joerg Roedel
2010-03-23 18:27 ` Peter Zijlstra
2010-03-23 19:05 ` Javier Guerra Giraldez
2010-03-24 4:57 ` Avi Kivity
2010-03-24 11:59 ` Joerg Roedel
2010-03-24 12:08 ` Avi Kivity
2010-03-24 12:50 ` Joerg Roedel
2010-03-24 13:05 ` Avi Kivity
2010-03-24 13:46 ` Joerg Roedel
2010-03-24 13:57 ` Avi Kivity
2010-03-24 15:01 ` Joerg Roedel
2010-03-24 15:12 ` Avi Kivity
2010-03-24 15:46 ` Joerg Roedel
2010-03-24 15:49 ` Avi Kivity
2010-03-24 15:59 ` Joerg Roedel
2010-03-24 16:09 ` Avi Kivity
2010-03-24 16:40 ` Joerg Roedel
2010-03-24 16:47 ` Avi Kivity
2010-03-24 16:52 ` Avi Kivity
2010-04-08 14:29 ` Antoine Martin
2010-03-24 17:47 ` Arnaldo Carvalho de Melo
2010-03-24 18:20 ` Avi Kivity
2010-03-24 18:27 ` Arnaldo Carvalho de Melo
2010-03-25 9:00 ` Zhang, Yanmin
2010-03-24 15:26 ` Daniel P. Berrange
2010-03-24 15:37 ` Joerg Roedel
2010-03-24 15:43 ` Avi Kivity
2010-03-24 15:50 ` Joerg Roedel
2010-03-24 15:52 ` Avi Kivity
2010-03-24 16:17 ` Joerg Roedel
2010-03-24 16:20 ` Avi Kivity
2010-03-24 16:31 ` Joerg Roedel
2010-03-24 16:32 ` Avi Kivity
2010-03-24 16:45 ` Joerg Roedel
2010-03-24 16:48 ` Avi Kivity
2010-03-24 16:03 ` Peter Zijlstra
2010-03-24 16:16 ` Avi Kivity
2010-03-24 16:23 ` Joerg Roedel
2010-03-24 16:45 ` Peter Zijlstra
2010-03-24 13:53 ` Alexander Graf
2010-03-24 13:59 ` Avi Kivity
2010-03-24 14:24 ` Alexander Graf
2010-03-24 15:06 ` Avi Kivity
2010-03-24 5:09 ` Andi Kleen
2010-03-24 6:42 ` Avi Kivity
2010-03-24 7:38 ` Andi Kleen
2010-03-24 8:59 ` Avi Kivity
2010-03-24 9:31 ` Andi Kleen
2010-03-22 14:46 ` Avi Kivity
2010-03-22 16:08 ` Ingo Molnar
2010-03-22 16:13 ` Avi Kivity
2010-03-24 12:06 ` Paolo Bonzini
2010-03-21 22:00 ` Ingo Molnar
2010-03-21 23:50 ` Anthony Liguori
2010-03-22 0:25 ` Anthony Liguori
2010-03-22 7:18 ` Avi Kivity
2010-03-19 9:19 ` Paul Mundt
2010-03-19 9:52 ` Olivier Galibert
2010-03-19 13:56 ` [LKML] " Konrad Rzeszutek Wilk
2010-03-18 14:53 ` Anthony Liguori
2010-03-18 16:13 ` Ingo Molnar
2010-03-18 16:54 ` Avi Kivity
2010-03-18 17:11 ` Ingo Molnar
2010-03-18 18:20 ` Anthony Liguori
2010-03-18 18:23 ` drepper
2010-03-18 19:15 ` Ingo Molnar
2010-03-18 19:37 ` drepper
2010-03-18 20:18 ` Ingo Molnar
2010-03-18 20:39 ` drepper
2010-03-18 20:56 ` Ingo Molnar
2010-03-18 22:06 ` Alan Cox
2010-03-18 22:16 ` Ingo Molnar
2010-03-19 7:22 ` Avi Kivity
2010-03-21 13:27 ` Gabor Gombas
2010-03-18 21:02 ` Zachary Amsden
2010-03-18 21:15 ` Ingo Molnar
2010-03-18 22:19 ` Zachary Amsden
2010-03-18 22:44 ` Ingo Molnar
2010-03-19 7:21 ` Avi Kivity
2010-03-20 14:59 ` Andrea Arcangeli
2010-03-21 10:03 ` Avi Kivity
2010-03-18 9:22 ` Ingo Molnar
2010-03-18 10:32 ` Avi Kivity
2010-03-18 11:19 ` Ingo Molnar
2010-03-18 18:20 ` Frederic Weisbecker
2010-03-18 19:50 ` Frank Ch. Eigler
2010-03-18 20:47 ` Ingo Molnar
2010-03-18 8:44 ` Jes Sorensen
2010-03-18 9:54 ` Ingo Molnar
2010-03-18 10:40 ` Jes Sorensen
2010-03-18 10:58 ` Ingo Molnar
2010-03-18 13:23 ` Jes Sorensen
2010-03-18 14:22 ` Ingo Molnar
2010-03-18 14:45 ` Jes Sorensen
2010-03-18 16:54 ` Ingo Molnar
2010-03-18 18:10 ` Anthony Liguori
2010-03-19 14:53 ` Andrea Arcangeli
2010-03-18 14:38 ` Anthony Liguori
2010-03-18 14:44 ` Anthony Liguori
2010-03-16 22:30 ` [PATCH] Enhance perf to collect KVM guest os statistics from host side oerg Roedel
2010-03-16 23:01 ` Masami Hiramatsu
2010-03-17 7:27 ` Ingo Molnar
2010-03-16 7:48 ` Zhang, Yanmin
2010-03-16 9:28 ` Zhang, Yanmin
2010-03-16 9:33 ` Avi Kivity
2010-03-16 9:47 ` Ingo Molnar
2010-03-17 9:26 ` Zhang, Yanmin
2010-03-18 2:45 ` Zhang, Yanmin
2010-03-18 7:49 ` Zhang, Yanmin
2010-03-18 8:03 ` Ingo Molnar
2010-03-18 13:03 ` Arnaldo Carvalho de Melo
2010-03-16 9:32 ` Avi Kivity
2010-03-17 2:34 ` Zhang, Yanmin
2010-03-17 9:28 ` Sheng Yang
2010-03-17 9:41 ` Avi Kivity
2010-03-17 9:51 ` Sheng Yang
2010-03-17 10:06 ` Avi Kivity
2010-03-17 21:14 ` Zachary Amsden
2010-03-18 1:19 ` Sheng Yang
2010-03-18 4:50 ` Zachary Amsden
2010-03-18 5:22 ` Sheng Yang
2010-03-18 5:41 ` Sheng Yang
2010-03-18 8:47 ` Zachary Amsden
2010-03-19 3:38 ` Zhang, Yanmin
2010-03-19 8:21 ` Ingo Molnar
2010-03-19 17:29 ` oerg Roedel
2010-03-21 18:43 ` Ingo Molnar
2010-03-22 10:14 ` oerg Roedel
2010-03-22 10:37 ` Ingo Molnar
2010-03-22 10:59 ` Ingo Molnar
2010-03-22 11:47 ` Joerg Roedel
2010-03-22 12:26 ` Ingo Molnar
2010-03-23 13:18 ` Soeren Sandmann
2010-03-23 13:49 ` Andi Kleen
2010-03-23 14:04 ` Soeren Sandmann
2010-03-23 14:20 ` Andi Kleen
2010-03-23 14:29 ` Arnaldo Carvalho de Melo
2010-03-23 14:46 ` Frank Ch. Eigler
2010-03-23 14:10 ` Arnaldo Carvalho de Melo
2010-03-23 15:23 ` Peter Zijlstra
2010-03-22 7:24 ` Zhang, Yanmin
2010-03-22 16:44 ` Arnaldo Carvalho de Melo
2010-03-23 3:14 ` Zhang, Yanmin
2010-03-23 13:15 ` Arnaldo Carvalho de Melo
2010-03-24 1:39 ` Zhang, Yanmin
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